bar_test.js

var Plotly = require('@lib/index');

var Bar = require('@src/traces/bar');
var Lib = require('@src/lib');
var Plots = require('@src/plots/plots');
var Drawing = require('@src/components/drawing');

var Axes = require('@src/plots/cartesian/axes');

var click = require('../assets/click');
var DBLCLICKDELAY = require('@src/plot_api/plot_config').dfltConfig.doubleClickDelay;
var createGraphDiv = require('../assets/create_graph_div');
var destroyGraphDiv = require('../assets/destroy_graph_div');
var failTest = require('../assets/fail_test');
var negateIf = require('../assets/negate_if');
var checkTicks = require('../assets/custom_assertions').checkTicks;
var supplyAllDefaults = require('../assets/supply_defaults');
var color = require('../../../src/components/color');
var rgb = color.rgb;

var checkEventData = require('../assets/check_event_data');
var constants = require('@src/traces/bar/constants');

var customAssertions = require('../assets/custom_assertions');
var assertClip = customAssertions.assertClip;
var assertNodeDisplay = customAssertions.assertNodeDisplay;
var assertHoverLabelContent = customAssertions.assertHoverLabelContent;
var checkTextTemplate = require('../assets/check_texttemplate');
var checkTransition = require('../assets/check_transitions');
var Fx = require('@src/components/fx');

var d3 = require('d3');

var BAR_TEXT_SELECTOR = '.bars .bartext';

describe('Bar.supplyDefaults', function() {
    'use strict';

    var traceIn,
        traceOut;

    var defaultColor = '#444';

    var supplyDefaults = Bar.supplyDefaults;

    beforeEach(function() {
        traceOut = {};
    });

    it('should set visible to false when x and y are empty', function() {
        traceIn = {};
        supplyDefaults(traceIn, traceOut, defaultColor, {});
        expect(traceOut.visible).toBe(false);

        traceIn = {
            x: [],
            y: []
        };
        supplyDefaults(traceIn, traceOut, defaultColor, {});
        expect(traceOut.visible).toBe(false);
    });

    it('should set visible to false when x or y is empty', function() {
        traceIn = {
            x: []
        };
        supplyDefaults(traceIn, traceOut, defaultColor, {});
        expect(traceOut.visible).toBe(false);

        traceIn = {
            x: [],
            y: [1, 2, 3]
        };
        supplyDefaults(traceIn, traceOut, defaultColor, {});
        expect(traceOut.visible).toBe(false);

        traceIn = {
            y: []
        };
        supplyDefaults(traceIn, traceOut, defaultColor, {});
        expect(traceOut.visible).toBe(false);

        traceIn = {
            x: [1, 2, 3],
            y: []
        };
        supplyDefaults(traceIn, traceOut, defaultColor, {});
        expect(traceOut.visible).toBe(false);
    });

    [{letter: 'y', counter: 'x'}, {letter: 'x', counter: 'y'}].forEach(function(spec) {
        var l = spec.letter;
        var c = spec.counter;
        var c0 = c + '0';
        var dc = 'd' + c;
        it('should be visible using ' + c0 + '/' + dc + ' if ' + c + ' is missing completely but ' + l + ' is present', function() {
            traceIn = {};
            traceIn[l] = [1, 2];
            supplyDefaults(traceIn, traceOut, defaultColor, {});
            expect(traceOut.visible).toBe(undefined, l); // visible: true gets set above the module level
            expect(traceOut._length).toBe(2, l);
            expect(traceOut[c0]).toBe(0, c0);
            expect(traceOut[dc]).toBe(1, dc);
            expect(traceOut.orientation).toBe(l === 'x' ? 'h' : 'v', l);
        });
    });

    it('should not set base, offset or width', function() {
        traceIn = {
            y: [1, 2, 3]
        };
        supplyDefaults(traceIn, traceOut, defaultColor, {});
        expect(traceOut.base).toBeUndefined();
        expect(traceOut.offset).toBeUndefined();
        expect(traceOut.width).toBeUndefined();
    });

    it('should coerce a non-negative width', function() {
        traceIn = {
            width: -1,
            y: [1, 2, 3]
        };
        supplyDefaults(traceIn, traceOut, defaultColor, {});
        expect(traceOut.width).toBeUndefined();
    });

    it('should coerce textposition to none', function() {
        traceIn = {
            y: [1, 2, 3]
        };
        supplyDefaults(traceIn, traceOut, defaultColor, {});
        expect(traceOut.textposition).toBe('none');
        expect(traceOut.texfont).toBeUndefined();
        expect(traceOut.insidetexfont).toBeUndefined();
        expect(traceOut.outsidetexfont).toBeUndefined();
        expect(traceOut.constraintext).toBeUndefined();
    });

    it('should default textfont to layout.font except for insidetextfont.color', function() {
        traceIn = {
            textposition: 'inside',
            y: [1, 2, 3]
        };
        var layout = {
            font: {family: 'arial', color: '#AAA', size: 13}
        };
        var layoutFontMinusColor = {family: 'arial', size: 13};

        supplyDefaults(traceIn, traceOut, defaultColor, layout);

        expect(traceOut.textposition).toBe('inside');
        expect(traceOut.textfont).toEqual(layout.font);
        expect(traceOut.textfont).not.toBe(layout.font);
        expect(traceOut.insidetextfont).toEqual(layoutFontMinusColor);
        expect(traceOut.insidetextfont).not.toBe(layout.font);
        expect(traceOut.insidetextfont).not.toBe(traceOut.textfont);
        expect(traceOut.outsidetexfont).toBeUndefined();
        expect(traceOut.constraintext).toBe('both');
    });

    it('should not default insidetextfont.color to layout.font.color', function() {
        traceIn = {
            textposition: 'inside',
            y: [1, 2, 3]
        };
        var layout = {
            font: {family: 'arial', color: '#AAA', size: 13}
        };

        supplyDefaults(traceIn, traceOut, defaultColor, layout);

        expect(traceOut.insidetextfont.family).toBe('arial');
        expect(traceOut.insidetextfont.color).toBeUndefined();
        expect(traceOut.insidetextfont.size).toBe(13);
    });

    it('should default insidetextfont.color to textfont.color', function() {
        traceIn = {
            textposition: 'inside',
            y: [1, 2, 3],
            textfont: {family: 'arial', color: '#09F', size: 20}
        };

        supplyDefaults(traceIn, traceOut, defaultColor, {});

        expect(traceOut.insidetextfont.family).toBe('arial');
        expect(traceOut.insidetextfont.color).toBe('#09F');
        expect(traceOut.insidetextfont.size).toBe(20);
    });

    it('should inherit layout.calendar', function() {
        traceIn = {
            x: [1, 2, 3],
            y: [1, 2, 3]
        };
        supplyDefaults(traceIn, traceOut, defaultColor, {calendar: 'islamic'});

        // we always fill calendar attributes, because it's hard to tell if
        // we're on a date axis at this point.
        expect(traceOut.xcalendar).toBe('islamic');
        expect(traceOut.ycalendar).toBe('islamic');
    });

    it('should take its own calendars', function() {
        traceIn = {
            x: [1, 2, 3],
            y: [1, 2, 3],
            xcalendar: 'coptic',
            ycalendar: 'ethiopian'
        };
        supplyDefaults(traceIn, traceOut, defaultColor, {calendar: 'islamic'});

        expect(traceOut.xcalendar).toBe('coptic');
        expect(traceOut.ycalendar).toBe('ethiopian');
    });

    it('should not include alignmentgroup/offsetgroup when barmode is not *group*', function() {
        var gd = {
            data: [{type: 'bar', y: [1], alignmentgroup: 'a', offsetgroup: '1'}],
            layout: {barmode: 'group'}
        };

        supplyAllDefaults(gd);
        expect(gd._fullData[0].alignmentgroup).toBe('a', 'alignementgroup');
        expect(gd._fullData[0].offsetgroup).toBe('1', 'offsetgroup');

        gd.layout.barmode = 'stack';
        supplyAllDefaults(gd);
        expect(gd._fullData[0].alignmentgroup).toBe(undefined, 'alignementgroup');
        expect(gd._fullData[0].offsetgroup).toBe(undefined, 'offsetgroup');
    });

    it('should have a barmode only if it contains bars', function() {
        var gd = {
            data: [{type: 'histogram', y: [1], visible: false}],
            layout: {}
        };

        supplyAllDefaults(gd);
        expect(gd._fullLayout.barmode).toBe(undefined, '`barmode` should be undefined');

        gd.data[0].visible = true;
        supplyAllDefaults(gd);
        expect(gd._fullLayout.barmode).toBe('group', '`barmode` should be set to its default ');
    });
});

describe('bar calc / crossTraceCalc (formerly known as setPositions)', function() {
    'use strict';

    it('should fill in calc pt fields (stack case)', function() {
        var gd = mockBarPlot([{
            y: [2, 1, 2]
        }, {
            y: [3, 1, 2]
        }, {
            y: [null, null, 2]
        }], {
            barmode: 'stack'
        });

        var cd = gd.calcdata;
        assertPointField(cd, 'x', [[0, 1, 2], [0, 1, 2], [0, 1, 2]]);
        assertPointField(cd, 'y', [[2, 1, 2], [5, 2, 4], [undefined, undefined, 6]]);
        assertPointField(cd, 'b', [[0, 0, 0], [2, 1, 2], [0, 0, 4]]);
        assertPointField(cd, 's', [[2, 1, 2], [3, 1, 2], [undefined, undefined, 2]]);
        assertPointField(cd, 'p', [[0, 1, 2], [0, 1, 2], [0, 1, 2]]);
        assertTraceField(cd, 't.barwidth', [0.8, 0.8, 0.8]);
        assertTraceField(cd, 't.poffset', [-0.4, -0.4, -0.4]);
        assertTraceField(cd, 't.bargroupwidth', [0.8, 0.8, 0.8]);
    });

    it('should fill in calc pt fields (overlay case)', function() {
        var gd = mockBarPlot([{
            y: [2, 1, 2]
        }, {
            y: [3, 1, 2]
        }], {
            barmode: 'overlay'
        });

        var cd = gd.calcdata;
        assertPointField(cd, 'x', [[0, 1, 2], [0, 1, 2]]);
        assertPointField(cd, 'y', [[2, 1, 2], [3, 1, 2]]);
        assertPointField(cd, 'b', [[0, 0, 0], [0, 0, 0]]);
        assertPointField(cd, 's', [[2, 1, 2], [3, 1, 2]]);
        assertPointField(cd, 'p', [[0, 1, 2], [0, 1, 2]]);
        assertTraceField(cd, 't.barwidth', [0.8, 0.8]);
        assertTraceField(cd, 't.poffset', [-0.4, -0.4]);
        assertTraceField(cd, 't.bargroupwidth', [0.8, 0.8]);
    });

    it('should fill in calc pt fields (group case)', function() {
        var gd = mockBarPlot([{
            y: [2, 1, 2]
        }, {
            y: [3, 1, 2]
        }], {
            barmode: 'group',
            // asumming default bargap is 0.2
            bargroupgap: 0.1
        });

        var cd = gd.calcdata;
        assertPointField(cd, 'x', [[-0.2, 0.8, 1.8], [0.2, 1.2, 2.2]]);
        assertPointField(cd, 'y', [[2, 1, 2], [3, 1, 2]]);
        assertPointField(cd, 'b', [[0, 0, 0], [0, 0, 0]]);
        assertPointField(cd, 's', [[2, 1, 2], [3, 1, 2]]);
        assertPointField(cd, 'p', [[0, 1, 2], [0, 1, 2]]);
        assertTraceField(cd, 't.barwidth', [0.36, 0.36]);
        assertTraceField(cd, 't.poffset', [-0.38, 0.02]);
        assertTraceField(cd, 't.bargroupwidth', [0.8, 0.8]);
    });

    it('should fill in calc pt fields (relative case)', function() {
        var gd = mockBarPlot([{
            y: [20, 14, -23]
        }, {
            y: [-12, -18, -29]
        }], {
            barmode: 'relative'
        });

        var cd = gd.calcdata;
        assertPointField(cd, 'x', [[0, 1, 2], [0, 1, 2]]);
        assertPointField(cd, 'y', [[20, 14, -23], [-12, -18, -52]]);
        assertPointField(cd, 'b', [[0, 0, 0], [0, 0, -23]]);
        assertPointField(cd, 's', [[20, 14, -23], [-12, -18, -29]]);
        assertPointField(cd, 'p', [[0, 1, 2], [0, 1, 2]]);
        assertTraceField(cd, 't.barwidth', [0.8, 0.8]);
        assertTraceField(cd, 't.poffset', [-0.4, -0.4]);
        assertTraceField(cd, 't.bargroupwidth', [0.8, 0.8]);
    });

    it('should fill in calc pt fields (relative / percent case)', function() {
        var gd = mockBarPlot([{
            x: ['A', 'B', 'C', 'D'],
            y: [20, 14, 40, -60]
        }, {
            x: ['A', 'B', 'C', 'D'],
            y: [-12, -18, 60, -40]
        }], {
            barmode: 'relative',
            barnorm: 'percent'
        });

        var cd = gd.calcdata;
        assertPointField(cd, 'x', [[0, 1, 2, 3], [0, 1, 2, 3]]);
        assertPointField(cd, 'y', [[100, 100, 40, -60], [-100, -100, 100, -100]]);
        assertPointField(cd, 'b', [[0, 0, 0, 0], [0, 0, 40, -60]]);
        assertPointField(cd, 's', [[100, 100, 40, -60], [-100, -100, 60, -40]]);
        assertPointField(cd, 'p', [[0, 1, 2, 3], [0, 1, 2, 3]]);
        assertTraceField(cd, 't.barwidth', [0.8, 0.8]);
        assertTraceField(cd, 't.poffset', [-0.4, -0.4]);
        assertTraceField(cd, 't.bargroupwidth', [0.8, 0.8]);
    });
});

describe('Bar.calc', function() {
    'use strict';

    it('should guard against invalid base items', function() {
        var gd = mockBarPlot([{
            base: [null, 1, 2],
            y: [1, 2, 3]
        }, {
            base: [null, 1],
            y: [1, 2, 3]
        }, {
            base: null,
            y: [1, 2]
        }], {
            barmode: 'overlay'
        });

        var cd = gd.calcdata;
        assertPointField(cd, 'b', [[0, 1, 2], [0, 1, 0], [0, 0]]);
    });

    it('should not exclude items with non-numeric x/y from calcdata', function() {
        var gd = mockBarPlot([{
            x: [5, NaN, 15, 20, null, 21],
            y: [20, NaN, 23, 25, null, 26]
        }]);

        var cd = gd.calcdata;
        assertPointField(cd, 'x', [[5, NaN, 15, 20, NaN, 21]]);
        assertPointField(cd, 'y', [[20, NaN, 23, 25, NaN, 26]]);
    });

    it('should not exclude items with non-numeric y from calcdata (to plots gaps correctly)', function() {
        var gd = mockBarPlot([{
            x: ['a', 'b', 'c', 'd'],
            y: [1, null, 'nonsense', 15]
        }]);

        var cd = gd.calcdata;
        assertPointField(cd, 'x', [[0, 1, 2, 3]]);
        assertPointField(cd, 'y', [[1, NaN, NaN, 15]]);
    });

    it('should not exclude items with non-numeric x from calcdata (to plots gaps correctly)', function() {
        var gd = mockBarPlot([{
            x: [1, null, 'nonsense', 15],
            y: [1, 2, 10, 30]
        }]);

        var cd = gd.calcdata;
        assertPointField(cd, 'x', [[1, NaN, NaN, 15]]);
        assertPointField(cd, 'y', [[1, 2, 10, 30]]);
    });

    it('should guard against negative marker.line.width values', function() {
        var gd = mockBarPlot([{
            marker: {
                line: {
                    width: [2, 1, 0, -1, false, true, null, [], -Infinity, Infinity, NaN, {}, '12+1', '1e1']
                }
            },
            y: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14]
        }], {});

        var cd = gd.calcdata;
        assertPointField(cd, 'mlw', [[2, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 10]]);
    });
});

describe('Bar.crossTraceCalc (formerly known as setPositions)', function() {
    'use strict';

    it('should guard against invalid offset items', function() {
        var gd = mockBarPlot([{
            offset: [null, 0, 1],
            y: [1, 2, 3]
        }, {
            offset: [null, 1],
            y: [1, 2, 3]
        }, {
            offset: null,
            y: [1]
        }], {
            bargap: 0.2,
            barmode: 'overlay'
        });

        var cd = gd.calcdata;
        assertArrayField(cd[0][0], 't.poffset', [-0.4, 0, 1]);
        assertArrayField(cd[1][0], 't.poffset', [-0.4, 1, -0.4]);
        assertArrayField(cd[2][0], 't.poffset', [-0.4]);
    });

    it('should work with *width* typed arrays', function() {
        var w = [0.1, 0.4, 0.7];

        var gd = mockBarPlot([{
            width: w,
            y: [1, 2, 3]
        }, {
            width: new Float32Array(w),
            y: [1, 2, 3]
        }]);

        var cd = gd.calcdata;
        assertArrayField(cd[0][0], 't.barwidth', w);
        assertArrayField(cd[1][0], 't.barwidth', w);
        assertPointField(cd, 'x', [
            [-0.2, 0.8, 1.8],
            [0.2, 1.2, 2.2]
        ]);
    });

    it('should work with *offset* typed arrays', function() {
        var o = [0.1, 0.4, 0.7];

        var gd = mockBarPlot([{
            offset: o,
            y: [1, 2, 3]
        }, {
            offset: new Float32Array(o),
            y: [1, 2, 3]
        }]);

        var cd = gd.calcdata;
        assertArrayField(cd[0][0], 't.poffset', o);
        assertArrayField(cd[1][0], 't.poffset', o);
        assertPointField(cd, 'x', [
            [0.5, 1.8, 3.1],
            [0.5, 1.8, 3.099]
        ]);
    });

    it('should guard against invalid width items', function() {
        var gd = mockBarPlot([{
            width: [null, 1, 0.8],
            y: [1, 2, 3]
        }, {
            width: [null, 1],
            y: [1, 2, 3]
        }, {
            width: null,
            y: [1]
        }], {
            bargap: 0.2,
            barmode: 'overlay'
        });

        var cd = gd.calcdata;
        assertArrayField(cd[0][0], 't.barwidth', [0.8, 1, 0.8]);
        assertArrayField(cd[1][0], 't.barwidth', [0.8, 1, 0.8]);
        assertArrayField(cd[2][0], 't.barwidth', [0.8]);
    });

    it('should guard against invalid width items (group case)', function() {
        var gd = mockBarPlot([{
            width: [null, 0.1, 0.2],
            y: [1, 2, 3]
        }, {
            width: [null, 0.1],
            y: [1, 2, 3]
        }, {
            width: null,
            y: [1]
        }], {
            bargap: 0,
            barmode: 'group'
        });

        var cd = gd.calcdata;
        assertArrayField(cd[0][0], 't.barwidth', [0.33, 0.1, 0.2]);
        assertArrayField(cd[1][0], 't.barwidth', [0.33, 0.1, 0.33]);
        assertArrayField(cd[2][0], 't.barwidth', [0.33]);
    });

    it('should stack vertical and horizontal traces separately', function() {
        var gd = mockBarPlot([{
            y: [1, 2, 3]
        }, {
            y: [10, 20, 30]
        }, {
            x: [-1, -2, -3]
        }, {
            x: [-10, -20, -30]
        }], {
            barmode: 'stack'
        });

        var cd = gd.calcdata;
        assertPointField(cd, 'b', [[0, 0, 0], [1, 2, 3], [0, 0, 0], [-1, -2, -3]]);
        assertPointField(cd, 's', [[1, 2, 3], [10, 20, 30], [-1, -2, -3], [-10, -20, -30]]);
        assertPointField(cd, 'x', [[0, 1, 2], [0, 1, 2], [-1, -2, -3], [-11, -22, -33]]);
        assertPointField(cd, 'y', [[1, 2, 3], [11, 22, 33], [0, 1, 2], [0, 1, 2]]);
    });

    it('should not group traces that set offset', function() {
        var gd = mockBarPlot([{
            y: [1, 2, 3]
        }, {
            y: [10, 20, 30]
        }, {
            offset: -1,
            y: [-1, -2, -3]
        }], {
            bargap: 0,
            barmode: 'group'
        });

        var cd = gd.calcdata;
        assertPointField(cd, 'b', [[0, 0, 0], [0, 0, 0], [0, 0, 0]]);
        assertPointField(cd, 's', [[1, 2, 3], [10, 20, 30], [-1, -2, -3]]);
        assertPointField(cd, 'x', [[-0.25, 0.75, 1.75], [0.25, 1.25, 2.25], [-0.5, 0.5, 1.5]]);
        assertPointField(cd, 'y', [[1, 2, 3], [10, 20, 30], [-1, -2, -3]]);
    });

    it('should not stack traces that set base', function() {
        var gd = mockBarPlot([{
            y: [1, 2, 3]
        }, {
            y: [10, 20, 30]
        }, {
            base: -1,
            y: [-1, -2, -3]
        }], {
            bargap: 0,
            barmode: 'stack'
        });

        var cd = gd.calcdata;
        assertPointField(cd, 'b', [[0, 0, 0], [1, 2, 3], [-1, -1, -1]]);
        assertPointField(cd, 's', [[1, 2, 3], [10, 20, 30], [-1, -2, -3]]);
        assertPointField(cd, 'x', [[0, 1, 2], [0, 1, 2], [0, 1, 2]]);
        assertPointField(cd, 'y', [[1, 2, 3], [11, 22, 33], [-2, -3, -4]]);
    });

    it('should draw traces separately in overlay mode', function() {
        var gd = mockBarPlot([{
            y: [1, 2, 3]
        }, {
            y: [10, 20, 30]
        }], {
            bargap: 0,
            barmode: 'overlay',
            barnorm: false
        });

        var cd = gd.calcdata;
        assertPointField(cd, 'b', [[0, 0, 0], [0, 0, 0]]);
        assertPointField(cd, 's', [[1, 2, 3], [10, 20, 30]]);
        assertPointField(cd, 'x', [[0, 1, 2], [0, 1, 2]]);
        assertPointField(cd, 'y', [[1, 2, 3], [10, 20, 30]]);
    });

    it('should ignore barnorm in overlay mode', function() {
        var gd = mockBarPlot([{
            y: [1, 2, 3]
        }, {
            y: [10, 20, 30]
        }], {
            bargap: 0,
            barmode: 'overlay',
            barnorm: 'percent'
        });

        expect(gd._fullLayout.barnorm).toBeUndefined();

        var cd = gd.calcdata;
        assertPointField(cd, 'b', [[0, 0, 0], [0, 0, 0]]);
        assertPointField(cd, 's', [[1, 2, 3], [10, 20, 30]]);
        assertPointField(cd, 'x', [[0, 1, 2], [0, 1, 2]]);
        assertPointField(cd, 'y', [[1, 2, 3], [10, 20, 30]]);
    });

    it('should honor barnorm for traces that cannot be grouped', function() {
        var gd = mockBarPlot([{
            offset: 0,
            y: [1, 2, 3]
        }], {
            bargap: 0,
            barmode: 'group',
            barnorm: 'percent'
        });

        expect(gd._fullLayout.barnorm).toBe('percent');

        var cd = gd.calcdata;
        assertPointField(cd, 'b', [[0, 0, 0]]);
        assertPointField(cd, 's', [[100, 100, 100]]);
        assertPointField(cd, 'x', [[0.5, 1.5, 2.5]]);
        assertPointField(cd, 'y', [[100, 100, 100]]);
    });

    it('should honor barnorm for traces that cannot be stacked', function() {
        var gd = mockBarPlot([{
            offset: 0,
            y: [1, 2, 3]
        }], {
            bargap: 0,
            barmode: 'stack',
            barnorm: 'percent'
        });

        expect(gd._fullLayout.barnorm).toBe('percent');

        var cd = gd.calcdata;
        assertPointField(cd, 'b', [[0, 0, 0]]);
        assertPointField(cd, 's', [[100, 100, 100]]);
        assertPointField(cd, 'x', [[0.5, 1.5, 2.5]]);
        assertPointField(cd, 'y', [[100, 100, 100]]);
    });

    it('should honor barnorm (group case)', function() {
        var gd = mockBarPlot([{
            y: [3, 2, 1]
        }, {
            y: [1, 2, 3]
        }], {
            bargap: 0,
            barmode: 'group',
            barnorm: 'fraction'
        });

        expect(gd._fullLayout.barnorm).toBe('fraction');

        var cd = gd.calcdata;
        assertPointField(cd, 'b', [[0, 0, 0], [0, 0, 0]]);
        assertPointField(cd, 's', [[0.75, 0.50, 0.25], [0.25, 0.50, 0.75]]);
        assertPointField(cd, 'x', [[-0.25, 0.75, 1.75], [0.25, 1.25, 2.25]]);
        assertPointField(cd, 'y', [[0.75, 0.50, 0.25], [0.25, 0.50, 0.75]]);
    });

    it('should honor barnorm (group+base case)', function() {
        var gd = mockBarPlot([{
            base: [3, 2, 1],
            y: [0, 0, 0]
        }, {
            y: [1, 2, 3]
        }], {
            bargap: 0,
            barmode: 'group',
            barnorm: 'fraction'
        });

        expect(gd._fullLayout.barnorm).toBe('fraction');

        var cd = gd.calcdata;
        assertPointField(cd, 'b', [[0.75, 0.50, 0.25], [0, 0, 0]]);
        assertPointField(cd, 's', [[0, 0, 0], [0.25, 0.50, 0.75]]);
        assertPointField(cd, 'x', [[-0.25, 0.75, 1.75], [0.25, 1.25, 2.25]]);
        assertPointField(cd, 'y', [[0.75, 0.50, 0.25], [0.25, 0.50, 0.75]]);
    });

    it('should honor barnorm (stack case)', function() {
        var gd = mockBarPlot([{
            y: [3, 2, 1]
        }, {
            y: [1, 2, 3]
        }], {
            bargap: 0,
            barmode: 'stack',
            barnorm: 'fraction'
        });

        expect(gd._fullLayout.barnorm).toBe('fraction');

        var cd = gd.calcdata;
        assertPointField(cd, 'b', [[0, 0, 0], [0.75, 0.50, 0.25]]);
        assertPointField(cd, 's', [[0.75, 0.50, 0.25], [0.25, 0.50, 0.75]]);
        assertPointField(cd, 'x', [[0, 1, 2], [0, 1, 2]]);
        assertPointField(cd, 'y', [[0.75, 0.50, 0.25], [1, 1, 1]]);
    });

    it('should honor barnorm (relative case)', function() {
        var gd = mockBarPlot([{
            y: [3, 2, 1]
        }, {
            y: [1, 2, 3]
        }, {
            y: [-3, -2, -1]
        }, {
            y: [-1, -2, -3]
        }], {
            bargap: 0,
            barmode: 'relative',
            barnorm: 'fraction'
        });

        expect(gd._fullLayout.barnorm).toBe('fraction');

        var cd = gd.calcdata;
        assertPointField(cd, 'b', [
            [0, 0, 0], [0.75, 0.50, 0.25],
            [0, 0, 0], [-0.75, -0.50, -0.25]
        ]);
        assertPointField(cd, 's', [
            [0.75, 0.50, 0.25], [0.25, 0.50, 0.75],
            [-0.75, -0.50, -0.25], [-0.25, -0.50, -0.75],
        ]);
        assertPointField(cd, 'x', [[0, 1, 2], [0, 1, 2], [0, 1, 2], [0, 1, 2]]);
        assertPointField(cd, 'y', [
            [0.75, 0.50, 0.25], [1, 1, 1],
            [-0.75, -0.50, -0.25], [-1, -1, -1],
        ]);
    });

    it('should expand position axis', function() {
        var gd = mockBarPlot([{
            offset: 10,
            width: 2,
            y: [3, 2, 1]
        }, {
            offset: -5,
            width: 2,
            y: [-1, -2, -3]
        }], {
            bargap: 0,
            barmode: 'overlay',
            barnorm: false
        });

        expect(gd._fullLayout.barnorm).toBeUndefined();

        var xa = gd._fullLayout.xaxis;
        var ya = gd._fullLayout.yaxis;
        expect(Axes.getAutoRange(gd, xa)).toBeCloseToArray([-5, 14], undefined, '(xa.range)');
        expect(Axes.getAutoRange(gd, ya)).toBeCloseToArray([-3.33, 3.33], undefined, '(ya.range)');
    });

    it('should expand size axis (overlay case)', function() {
        var gd = mockBarPlot([{
            base: 7,
            y: [3, 2, 1]
        }, {
            base: 2,
            y: [1, 2, 3]
        }, {
            base: -2,
            y: [-3, -2, -1]
        }, {
            base: -7,
            y: [-1, -2, -3]
        }], {
            bargap: 0,
            barmode: 'overlay',
            barnorm: false
        });

        expect(gd._fullLayout.barnorm).toBeUndefined();

        var xa = gd._fullLayout.xaxis;
        var ya = gd._fullLayout.yaxis;
        expect(Axes.getAutoRange(gd, xa)).toBeCloseToArray([-0.5, 2.5], undefined, '(xa.range)');
        expect(Axes.getAutoRange(gd, ya)).toBeCloseToArray([-11.11, 11.11], undefined, '(ya.range)');
    });

    it('should expand size axis (relative case)', function() {
        var gd = mockBarPlot([{
            y: [3, 2, 1]
        }, {
            y: [1, 2, 3]
        }, {
            y: [-3, -2, -1]
        }, {
            y: [-1, -2, -3]
        }], {
            bargap: 0,
            barmode: 'relative',
            barnorm: false
        });

        expect(gd._fullLayout.barnorm).toBe('');

        var xa = gd._fullLayout.xaxis;
        var ya = gd._fullLayout.yaxis;
        expect(Axes.getAutoRange(gd, xa)).toBeCloseToArray([-0.5, 2.5], undefined, '(xa.range)');
        expect(Axes.getAutoRange(gd, ya)).toBeCloseToArray([-4.44, 4.44], undefined, '(ya.range)');
    });

    it('should expand size axis (barnorm case)', function() {
        var gd = mockBarPlot([{
            y: [3, 2, 1]
        }, {
            y: [1, 2, 3]
        }, {
            y: [-3, -2, -1]
        }, {
            y: [-1, -2, -3]
        }], {
            bargap: 0,
            barmode: 'relative',
            barnorm: 'fraction'
        });

        expect(gd._fullLayout.barnorm).toBe('fraction');

        var xa = gd._fullLayout.xaxis;
        var ya = gd._fullLayout.yaxis;
        expect(Axes.getAutoRange(gd, xa)).toBeCloseToArray([-0.5, 2.5], undefined, '(xa.range)');
        expect(Axes.getAutoRange(gd, ya)).toBeCloseToArray([-1.11, 1.11], undefined, '(ya.range)');
    });

    it('should include explicit base in size axis range', function() {
        var barmodes = ['stack', 'group', 'overlay'];
        barmodes.forEach(function(barmode) {
            var gd = mockBarPlot([
                {y: [3, 4, -5], base: [-1, -2, 7]}
            ], {
                barmode: barmode
            });

            var ya = gd._fullLayout.yaxis;
            expect(Axes.getAutoRange(gd, ya)).toBeCloseToArray([-2.5, 7.5]);
        });
    });

    it('should not include date zero (1970) in date axis range', function() {
        var barmodes = ['stack', 'group', 'overlay'];
        barmodes.forEach(function(barmode) {
            var gd = mockBarPlot([
                {y: ['2017-01-01', '2017-01-03', '2017-01-19']}
            ], {
                barmode: barmode
            });

            var ya = gd._fullLayout.yaxis;
            expect(Axes.getAutoRange(gd, ya)).toEqual(['2016-12-31', '2017-01-20']);
        });
    });

    it('works with log axes (grouped bars)', function() {
        var gd = mockBarPlot([
            {y: [1, 10, 1e10, -1]},
            {y: [2, 20, 2e10, -2]}
        ], {
            yaxis: {type: 'log'},
            barmode: 'group'
        });

        var ya = gd._fullLayout.yaxis;
        expect(Axes.getAutoRange(gd, ya)).toBeCloseToArray([-0.572, 10.873], undefined, '(ya.range)');
    });

    it('works with log axes (stacked bars)', function() {
        var gd = mockBarPlot([
            {y: [1, 10, 1e10, -1]},
            {y: [2, 20, 2e10, -2]}
        ], {
            yaxis: {type: 'log'},
            barmode: 'stack'
        });

        var ya = gd._fullLayout.yaxis;
        expect(Axes.getAutoRange(gd, ya)).toBeCloseToArray([-0.582, 11.059], undefined, '(ya.range)');
    });

    it('works with log axes (normalized bars)', function() {
        // strange case... but it should work!
        var gd = mockBarPlot([
            {y: [1, 10, 1e10, -1]},
            {y: [2, 20, 2e10, -2]}
        ], {
            yaxis: {type: 'log'},
            barmode: 'stack',
            barnorm: 'percent'
        });

        var ya = gd._fullLayout.yaxis;
        expect(Axes.getAutoRange(gd, ya)).toBeCloseToArray([1.496, 2.027], undefined, '(ya.range)');
    });

    it('should ignore *base* on category axes', function() {
        var gd = mockBarPlot([
            {x: ['a', 'b', 'c'], base: [0.2, -0.2, 1]},
        ]);

        expect(gd._fullLayout.xaxis.type).toBe('category');
        assertPointField(gd.calcdata, 'b', [[0, 0, 0]]);
    });

    it('should ignore *base* on multicategory axes', function() {
        var gd = mockBarPlot([
            {x: [['a', 'a', 'b', 'b'], ['1', '2', '1', '2']], base: 10}
        ]);

        expect(gd._fullLayout.xaxis.type).toBe('multicategory');
        assertPointField(gd.calcdata, 'b', [[0, 0, 0, 0]]);
    });

    describe('should relative-stack bar within the same trace that overlap under barmode=group', function() {
        it('- base case', function() {
            var gd = mockBarPlot([{
                x: [0, 0, 0],
                y: [1, -2, -1]
            }]);

            assertPointField(gd.calcdata, 'b', [[0, 0, -2]]);
            assertPointField(gd.calcdata, 'y', [[1, -2, -3]]);
        });

        it('- with blank positions', function() {
            var gd = mockBarPlot([{
                x: [0, null, 0, null, 0],
                y: [1, null, -2, null, -1]
            }]);

            assertPointField(gd.calcdata, 'b', [[0, 0, 0, 0, -2]]);
            assertPointField(gd.calcdata, 'y', [[1, NaN, -2, NaN, -3]]);
        });

        it('- with barnorm set', function() {
            var gd = mockBarPlot([{
                x: [0, 0, 0],
                y: [1, -2, -1],
            }], {
                barnorm: 'fraction'
            });

            assertPointField(gd.calcdata, 'b', [[0, 0, -0.5]]);
            assertPointField(gd.calcdata, 'y', [[0.25, -0.5, -0.75]]);
        });

        it('- skipped when base is set', function() {
            var gd = mockBarPlot([{
                x: [0, 0, 0],
                y: [1, -2, -1],
                base: 10
            }, {
                x: [0, 0, 0],
                y: [1, -2, -1],
                base: [1, 2, 1]
            }]);

            assertPointField(gd.calcdata, 'b', [[10, 10, 10], [1, 2, 1]]);
            assertPointField(gd.calcdata, 'y', [[11, 8, 9], [2, 0, 0]]);
        });

        it('- skipped when barmode=overlay', function() {
            var gd = mockBarPlot([{
                x: [0, 0, 0],
                y: [1, -2, -1]
            }], {
                barmode: 'overlay'
            });

            assertPointField(gd.calcdata, 'b', [[0, 0, 0]]);
            assertPointField(gd.calcdata, 'y', [[1, -2, -1]]);
        });
    });
});

describe('A bar plot', function() {
    'use strict';

    var DARK = '#444';
    var LIGHT = '#fff';

    var gd;

    beforeEach(function() {
        gd = createGraphDiv();
    });

    afterEach(destroyGraphDiv);

    function getAllTraceNodes(node) {
        return node.querySelectorAll('g.points');
    }

    function getAllBarNodes(node) {
        return node.querySelectorAll('g.point');
    }

    function assertTextIsInsidePath(textNode, pathNode) {
        var textBB = textNode.getBoundingClientRect();
        var pathBB = pathNode.getBoundingClientRect();

        expect(pathBB.left).not.toBeGreaterThan(textBB.left);
        expect(textBB.right).not.toBeGreaterThan(pathBB.right);
        expect(pathBB.top).not.toBeGreaterThan(textBB.top);
        expect(textBB.bottom).not.toBeGreaterThan(pathBB.bottom);
    }

    function assertTextIsAbovePath(textNode, pathNode) {
        var textBB = textNode.getBoundingClientRect();
        var pathBB = pathNode.getBoundingClientRect();

        expect(textBB.bottom).not.toBeGreaterThan(pathBB.top);
    }

    function assertTextIsBelowPath(textNode, pathNode) {
        var textBB = textNode.getBoundingClientRect();
        var pathBB = pathNode.getBoundingClientRect();

        expect(pathBB.bottom).not.toBeGreaterThan(textBB.top);
    }

    function assertTextIsAfterPath(textNode, pathNode) {
        var textBB = textNode.getBoundingClientRect();
        var pathBB = pathNode.getBoundingClientRect();

        expect(pathBB.right).not.toBeGreaterThan(textBB.left);
    }

    function assertTextFont(textNode, expectedFontProps, index) {
        expect(textNode.style.fontFamily).toBe(expectedFontProps.family[index]);
        expect(textNode.style.fontSize).toBe(expectedFontProps.size[index] + 'px');

        var actualColorRGB = textNode.style.fill;
        var expectedColorRGB = rgb(expectedFontProps.color[index]);
        expect(actualColorRGB).toBe(expectedColorRGB);
    }

    function assertTextIsBeforePath(textNode, pathNode) {
        var textBB = textNode.getBoundingClientRect();
        var pathBB = pathNode.getBoundingClientRect();

        expect(textBB.right).not.toBeGreaterThan(pathBB.left);
    }

    function assertTextFontColors(expFontColors, label) {
        return function() {
            var selection = d3.selectAll(BAR_TEXT_SELECTOR);
            expect(selection.size()).toBe(expFontColors.length);

            selection.each(function(d, i) {
                var expFontColor = expFontColors[i];
                var isArray = Array.isArray(expFontColor);

                expect(this.style.fill).toBe(isArray ? rgb(expFontColor[0]) : rgb(expFontColor),
                  (label || '') + ', fill for element ' + i);
                expect(this.style.fillOpacity).toBe(isArray ? expFontColor[1] : '1',
                  (label || '') + ', fillOpacity for element ' + i);
            });
        };
    }

    function assertTextFontFamilies(expFontFamilies) {
        return function() {
            var selection = d3.selectAll(BAR_TEXT_SELECTOR);
            expect(selection.size()).toBe(expFontFamilies.length);
            selection.each(function(d, i) {
                expect(this.style.fontFamily).toBe(expFontFamilies[i]);
            });
        };
    }

    function assertTextFontSizes(expFontSizes) {
        return function() {
            var selection = d3.selectAll(BAR_TEXT_SELECTOR);
            expect(selection.size()).toBe(expFontSizes.length);
            selection.each(function(d, i) {
                expect(this.style.fontSize).toBe(expFontSizes[i] + 'px');
            });
        };
    }

    it('should show bar texts (inside case)', function(done) {
        var data = [{
            y: [10, 20, 30],
            type: 'bar',
            text: ['1', 'Very very very very very long bar text'],
            textposition: 'inside',
        }];
        var layout = {};

        Plotly.plot(gd, data, layout).then(function() {
            var traceNodes = getAllTraceNodes(gd);
            var barNodes = getAllBarNodes(traceNodes[0]);
            var foundTextNodes;

            for(var i = 0; i < barNodes.length; i++) {
                var barNode = barNodes[i];
                var pathNode = barNode.querySelector('path');
                var textNode = barNode.querySelector('text');
                if(textNode) {
                    foundTextNodes = true;
                    assertTextIsInsidePath(textNode, pathNode);
                }
            }

            expect(foundTextNodes).toBe(true);
        })
        .catch(failTest)
        .then(done);
    });

    it('Pushes outside text relative bars inside when not outmost', function(done) {
        var data = [{
            x: [1, 2],
            y: [20, 10],
            type: 'bar',
            text: ['a', 'b'],
            textposition: 'outside',
        }, {
            x: [1, 2],
            y: [20, 10],
            type: 'bar',
            text: ['c', 'd']
        }];
        var layout = {barmode: 'relative'};

        Plotly.plot(gd, data, layout).then(function() {
            var traceNodes = getAllTraceNodes(gd);
            var barNodes = getAllBarNodes(traceNodes[0]);
            var foundTextNodes;

            for(var i = 0; i < barNodes.length; i++) {
                var barNode = barNodes[i];
                var pathNode = barNode.querySelector('path');
                var textNode = barNode.querySelector('text');
                if(textNode) {
                    foundTextNodes = true;
                    assertTextIsInsidePath(textNode, pathNode);
                }
            }

            expect(foundTextNodes).toBe(true);
        })
        .catch(failTest)
        .then(done);
    });

    it('does not push text inside when base is set', function(done) {
        var data = [{
            x: [1, 2],
            y: [20, 10],
            base: [1, 2],
            type: 'bar',
            text: ['a', 'b'],
            textposition: 'outside',
        }, {
            x: [3, 4],
            y: [30, 40],
            type: 'bar',
            text: ['c', 'd']
        }];
        var layout = {barmode: 'relative'};

        Plotly.plot(gd, data, layout).then(function() {
            var traceNodes = getAllTraceNodes(gd);
            var barNodes = getAllBarNodes(traceNodes[0]);
            var foundTextNodes;

            for(var i = 0; i < barNodes.length; i++) {
                var barNode = barNodes[i];
                var pathNode = barNode.querySelector('path');
                var textNode = barNode.querySelector('text');
                if(textNode) {
                    foundTextNodes = true;
                    assertTextIsAbovePath(textNode, pathNode);
                }
            }

            expect(foundTextNodes).toBe(true);
        })
        .catch(failTest)
        .then(done);
    });

    it('should show bar texts (outside case)', function(done) {
        var data = [{
            y: [10, -20, 30],
            type: 'bar',
            text: ['1', 'Very very very very very long bar text'],
            textposition: 'outside',
        }];
        var layout = {
            barmode: 'relative'
        };

        Plotly.plot(gd, data, layout).then(function() {
            var traceNodes = getAllTraceNodes(gd);
            var barNodes = getAllBarNodes(traceNodes[0]);
            var foundTextNodes;

            for(var i = 0; i < barNodes.length; i++) {
                var barNode = barNodes[i];
                var pathNode = barNode.querySelector('path');
                var textNode = barNode.querySelector('text');
                if(textNode) {
                    foundTextNodes = true;
                    if(data[0].y[i] > 0) assertTextIsAbovePath(textNode, pathNode);
                    else assertTextIsBelowPath(textNode, pathNode);
                }
            }

            expect(foundTextNodes).toBe(true);
        })
        .catch(failTest)
        .then(done);
    });

    it('should show bar texts (horizontal case)', function(done) {
        var data = [{
            x: [10, -20, 30],
            type: 'bar',
            text: ['Very very very very very long bar text', -20],
            textposition: 'outside',
        }];
        var layout = {};

        Plotly.plot(gd, data, layout).then(function() {
            var traceNodes = getAllTraceNodes(gd);
            var barNodes = getAllBarNodes(traceNodes[0]);
            var foundTextNodes;

            for(var i = 0; i < barNodes.length; i++) {
                var barNode = barNodes[i];
                var pathNode = barNode.querySelector('path');
                var textNode = barNode.querySelector('text');
                if(textNode) {
                    foundTextNodes = true;
                    if(data[0].x[i] > 0) assertTextIsAfterPath(textNode, pathNode);
                    else assertTextIsBeforePath(textNode, pathNode);
                }
            }

            expect(foundTextNodes).toBe(true);
        })
        .catch(failTest)
        .then(done);
    });

    it('should show bar texts (barnorm case)', function(done) {
        var data = [{
            x: [100, -100, 100],
            type: 'bar',
            text: [100, -100, 100],
            textposition: 'outside',
        }];
        var layout = {
            barmode: 'relative',
            barnorm: 'percent'
        };

        Plotly.plot(gd, data, layout).then(function() {
            var traceNodes = getAllTraceNodes(gd);
            var barNodes = getAllBarNodes(traceNodes[0]);
            var foundTextNodes;

            for(var i = 0; i < barNodes.length; i++) {
                var barNode = barNodes[i];
                var pathNode = barNode.querySelector('path');
                var textNode = barNode.querySelector('text');
                if(textNode) {
                    foundTextNodes = true;
                    if(data[0].x[i] > 0) assertTextIsAfterPath(textNode, pathNode);
                    else assertTextIsBeforePath(textNode, pathNode);
                }
            }

            expect(foundTextNodes).toBe(true);
        })
        .catch(failTest)
        .then(done);
    });

    var insideTextTestsTrace = {
        x: ['giraffes', 'orangutans', 'monkeys', 'elefants', 'spiders', 'snakes'],
        y: [20, 14, 23, 10, 59, 15],
        text: [20, 14, 23, 10, 59, 15],
        type: 'bar',
        textposition: 'auto',
        marker: {
            color: ['#ee1', '#eee', '#333', '#9467bd', '#dda', '#922'],
        }
    };

    it('should use inside text colors contrasting to bar colors by default', function(done) {
        var noMarkerTrace = Lib.extendFlat({}, insideTextTestsTrace);
        delete noMarkerTrace.marker;

        Plotly.plot(gd, [insideTextTestsTrace, noMarkerTrace])
          .then(function() {
              var trace1Colors = [DARK, DARK, LIGHT, LIGHT, DARK, LIGHT];
              var trace2Colors = Lib.repeat(DARK, 6);
              var allExpectedColors = trace1Colors.concat(trace2Colors);
              assertTextFontColors(allExpectedColors)();
          })
          .catch(failTest)
          .then(done);
    });

    it('should take bar fill opacities into account when calculating contrasting inside text colors', function(done) {
        var trace = {
            x: [5, 10],
            y: [5, 15],
            text: ['Giraffes', 'Zebras'],
            type: 'bar',
            textposition: 'inside',
            marker: {
                color: ['rgba(0, 0, 0, 0.2)', 'rgba(0, 0, 0, 0.8)']
            }
        };

        Plotly.plot(gd, [trace])
          .then(assertTextFontColors([DARK, LIGHT]))
          .catch(failTest)
          .then(done);
    });

    it('should use defined textfont.color for inside text instead of the contrasting default', function(done) {
        var data = Lib.extendFlat({}, insideTextTestsTrace, { textfont: { color: '#09f' } });

        Plotly.plot(gd, [data])
          .then(assertTextFontColors(Lib.repeat('#09f', 6)))
          .catch(failTest)
          .then(done);
    });

    it('should use matching color from textfont.color array for inside text, contrasting otherwise', function(done) {
        var data = Lib.extendFlat({}, insideTextTestsTrace, { textfont: { color: ['#09f', 'green'] } });

        Plotly.plot(gd, [data])
          .then(assertTextFontColors(['#09f', 'green', LIGHT, LIGHT, DARK, LIGHT]))
          .catch(failTest)
          .then(done);
    });

    it('should use defined insidetextfont.color for inside text instead of the contrasting default', function(done) {
        var data = Lib.extendFlat({}, insideTextTestsTrace, { insidetextfont: { color: '#09f' } });

        Plotly.plot(gd, [data])
          .then(assertTextFontColors(Lib.repeat('#09f', 6)))
          .catch(failTest)
          .then(done);
    });

    it('should use matching color from insidetextfont.color array instead of the contrasting default', function(done) {
        var data = Lib.extendFlat({}, insideTextTestsTrace, { insidetextfont: { color: ['yellow', 'green'] } });

        Plotly.plot(gd, [data])
          .then(assertTextFontColors(['yellow', 'green', LIGHT, LIGHT, DARK, LIGHT]))
          .catch(failTest)
          .then(done);
    });

    it('should use a contrasting text color by default for outside labels being pushed inside ' +
      'because of another bar stacked above', function(done) {
        var trace1 = {
            x: [5],
            y: [5],
            text: ['Giraffes'],
            type: 'bar',
            textposition: 'outside'
        };
        var trace2 = Lib.extendFlat({}, trace1);
        var layout = {barmode: 'stack'};

        Plotly.plot(gd, [trace1, trace2], layout)
          .then(assertTextFontColors([LIGHT, DARK]))
          .catch(failTest)
          .then(done);
    });

    it('should style outside labels pushed inside by bars stacked above as inside labels', function(done) {
        var trace1 = {
            x: [5],
            y: [5],
            text: ['Giraffes'],
            type: 'bar',
            textposition: 'outside',
            insidetextfont: {color: 'blue', family: 'serif', size: 24}
        };
        var trace2 = Lib.extendFlat({}, trace1);
        var layout = {barmode: 'stack', font: {family: 'Arial'}};

        Plotly.plot(gd, [trace1, trace2], layout)
          .then(assertTextFontColors(['blue', DARK]))
          .then(assertTextFontFamilies(['serif', 'Arial']))
          .then(assertTextFontSizes([24, 12]))
          .catch(failTest)
          .then(done);
    });

    it('should fall back to textfont array values if insidetextfont array values don\'t ' +
      'cover all bars', function(done) {
        var trace = Lib.extendFlat({}, insideTextTestsTrace, {
            textfont: {
                color: ['blue', 'blue', 'blue'],
                family: ['Arial', 'serif'],
                size: [8, 24]
            },
            insidetextfont: {
                color: ['yellow', 'green'],
                family: ['Arial'],
                size: [16]
            }
        });
        var layout = {font: {family: 'Roboto', size: 12}};

        Plotly.plot(gd, [trace], layout)
          .then(assertTextFontColors(['yellow', 'green', 'blue', LIGHT, DARK, LIGHT]))
          .then(assertTextFontFamilies(['Arial', 'serif', 'Roboto', 'Roboto', 'Roboto', 'Roboto']))
          .then(assertTextFontSizes([16, 24, 12, 12, 12, 12]))
          .catch(failTest)
          .then(done);
    });

    it('should retain text styles throughout selecting and deselecting data points', function(done) {
        var trace1 = {
            x: ['giraffes', 'orangutans', 'monkeys'],
            y: [12, 18, 29],
            text: [12, 18, 29],
            type: 'bar',
            textposition: 'inside',
            textfont: {
                color: ['red', 'orange'],
                family: ['Arial', 'serif'],
                size: [8, 24]
            },
            insidetextfont: {
                color: ['blue'],
                family: ['Arial'],
                size: [16]
            }
        };
        var trace2 = Lib.extendDeep({}, trace1, {textposition: 'outside'});
        var layout = {
            barmode: 'group',
            font: {
                family: 'Roboto',
                size: 12
            },
            clickmode: 'event+select'
        };

        Plotly.plot(gd, [trace1, trace2], layout)
          .then(function() {
              assertNonSelectionModeStyle('before selection');
          })
          .then(function() {
              return select1stBar2ndTrace();
          })
          .then(function() {
              assertSelectionModeStyle('in selection mode');
          })
          .then(function() {
              return deselect1stBar2ndTrace();
          })
          .then(function() {
              assertNonSelectionModeStyle('after selection');
          })
          .catch(failTest)
          .then(done);

        function assertSelectionModeStyle(label) {
            var unselColor = ['black', '0.2'];
            assertTextFontColors([unselColor, unselColor, unselColor, 'red', unselColor, unselColor], label)();
            assertTextFontFamilies(['Arial', 'serif', 'Roboto', 'Arial', 'serif', 'Roboto'])();
            assertTextFontSizes([16, 24, 12, 8, 24, 12])();
        }

        function assertNonSelectionModeStyle(label) {
            assertTextFontColors(['blue', 'orange', LIGHT, 'red', 'orange', DARK], label)();
            assertTextFontFamilies(['Arial', 'serif', 'Roboto', 'Arial', 'serif', 'Roboto'])();
            assertTextFontSizes([16, 24, 12, 8, 24, 12])();
        }

        function select1stBar2ndTrace() {
            return new Promise(function(resolve) {
                click(176, 354);
                resolve();
            });
        }

        function deselect1stBar2ndTrace() {
            return new Promise(function(resolve) {
                var delayAvoidingDblClick = DBLCLICKDELAY * 1.01;
                setTimeout(function() {
                    click(176, 354);
                    resolve();
                }, delayAvoidingDblClick);
            });
        }
    });

    it('should be able to restyle', function(done) {
        var mock = Lib.extendDeep({}, require('@mocks/bar_attrs_relative'));

        Plotly.plot(gd, mock.data, mock.layout).then(function() {
            var cd = gd.calcdata;
            assertPointField(cd, 'x', [
                [1, 2, 3, 4], [1, 2, 3, 4],
                [1, 2, 3, 4], [1, 2, 3, 4]]);
            assertPointField(cd, 'y', [
                [1, 2, 3, 4], [4, 4, 4, 4],
                [-1, -3, -2, -4], [4, -3.25, -5, -6]]);
            assertPointField(cd, 'b', [
                [0, 0, 0, 0], [1, 2, 3, 4],
                [0, 0, 0, 0], [4, -3, -2, -4]]);
            assertPointField(cd, 's', [
                [1, 2, 3, 4], [3, 2, 1, 0],
                [-1, -3, -2, -4], [0, -0.25, -3, -2]]);
            assertPointField(cd, 'p', [
                [1, 2, 3, 4], [1, 2, 3, 4],
                [1, 2, 3, 4], [1, 2, 3, 4]]);
            assertArrayField(cd[0][0], 't.barwidth', [1, 0.8, 0.6, 0.4]);
            assertArrayField(cd[1][0], 't.barwidth', [0.4, 0.6, 0.8, 1]);
            expect(cd[2][0].t.barwidth).toBe(1);
            expect(cd[3][0].t.barwidth).toBe(0.8);
            assertArrayField(cd[0][0], 't.poffset', [-0.5, -0.4, -0.3, -0.2]);
            assertArrayField(cd[1][0], 't.poffset', [-0.2, -0.3, -0.4, -0.5]);
            expect(cd[2][0].t.poffset).toBe(-0.5);
            expect(cd[3][0].t.poffset).toBe(-0.4);
            assertTraceField(cd, 't.bargroupwidth', [0.8, 0.8, 0.8, 0.8]);

            return Plotly.restyle(gd, 'offset', 0);
        })
        .then(function() {
            var cd = gd.calcdata;
            assertPointField(cd, 'x', [
                [1.5, 2.4, 3.3, 4.2], [1.2, 2.3, 3.4, 4.5],
                [1.5, 2.5, 3.5, 4.5], [1.4, 2.4, 3.4, 4.4]]);
            assertPointField(cd, 'y', [
                [1, 2, 3, 4], [4, 4, 4, 4],
                [-1, -3, -2, -4], [4, -3.25, -5, -6]]);
            assertPointField(cd, 'b', [
                [0, 0, 0, 0], [1, 2, 3, 4],
                [0, 0, 0, 0], [4, -3, -2, -4]]);
            assertPointField(cd, 's', [
                [1, 2, 3, 4], [3, 2, 1, 0],
                [-1, -3, -2, -4], [0, -0.25, -3, -2]]);
            assertPointField(cd, 'p', [
                [1, 2, 3, 4], [1, 2, 3, 4],
                [1, 2, 3, 4], [1, 2, 3, 4]]);
            assertArrayField(cd[0][0], 't.barwidth', [1, 0.8, 0.6, 0.4]);
            assertArrayField(cd[1][0], 't.barwidth', [0.4, 0.6, 0.8, 1]);
            expect(cd[2][0].t.barwidth).toBe(1);
            expect(cd[3][0].t.barwidth).toBe(0.8);
            expect(cd[0][0].t.poffset).toBe(0);
            expect(cd[1][0].t.poffset).toBe(0);
            expect(cd[2][0].t.poffset).toBe(0);
            expect(cd[3][0].t.poffset).toBe(0);
            assertTraceField(cd, 't.bargroupwidth', [0.8, 0.8, 0.8, 0.8]);

            var traceNodes = getAllTraceNodes(gd);
            var trace0Bar3 = getAllBarNodes(traceNodes[0])[3];
            var path03 = trace0Bar3.querySelector('path');
            var text03 = trace0Bar3.querySelector('text');
            var trace1Bar2 = getAllBarNodes(traceNodes[1])[2];
            var path12 = trace1Bar2.querySelector('path');
            var text12 = trace1Bar2.querySelector('text');
            var trace2Bar0 = getAllBarNodes(traceNodes[2])[0];
            var path20 = trace2Bar0.querySelector('path');
            var text20 = trace2Bar0.querySelector('text');
            var trace3Bar0 = getAllBarNodes(traceNodes[3])[1];
            var path30 = trace3Bar0.querySelector('path');
            var text30 = trace3Bar0.querySelector('text');

            expect(text03.textContent).toBe('4');
            expect(text12.textContent).toBe('inside text');
            expect(text20.textContent).toBe('-1');
            expect(text30.textContent).toBe('outside text');

            assertTextIsAbovePath(text03, path03); // outside
            assertTextIsInsidePath(text12, path12); // inside
            assertTextIsInsidePath(text20, path20); // inside
            assertTextIsBelowPath(text30, path30); // outside

            // clear bounding box cache - somehow when you cache
            // text size too early sometimes it changes later...
            // we've had this issue before, where we've had to
            // redraw annotations to get final sizes, I wish we
            // could get some signal that fonts are really ready
            // and not start drawing until then (or invalidate
            // the bbox cache when that happens?)
            // without this change, we get an error at
            // assertTextIsInsidePath(text30, path30);
            Drawing.savedBBoxes = {};

            return Plotly.restyle(gd, 'textposition', 'inside');
        })
        .then(function() {
            var cd = gd.calcdata;
            assertPointField(cd, 'x', [
                [1.5, 2.4, 3.3, 4.2], [1.2, 2.3, 3.4, 4.5],
                [1.5, 2.5, 3.5, 4.5], [1.4, 2.4, 3.4, 4.4]]);
            assertPointField(cd, 'y', [
                [1, 2, 3, 4], [4, 4, 4, 4],
                [-1, -3, -2, -4], [4, -3.25, -5, -6]]);
            assertPointField(cd, 'b', [
                [0, 0, 0, 0], [1, 2, 3, 4],
                [0, 0, 0, 0], [4, -3, -2, -4]]);
            assertPointField(cd, 's', [
                [1, 2, 3, 4], [3, 2, 1, 0],
                [-1, -3, -2, -4], [0, -0.25, -3, -2]]);
            assertPointField(cd, 'p', [
                [1, 2, 3, 4], [1, 2, 3, 4],
                [1, 2, 3, 4], [1, 2, 3, 4]]);
            assertArrayField(cd[0][0], 't.barwidth', [1, 0.8, 0.6, 0.4]);
            assertArrayField(cd[1][0], 't.barwidth', [0.4, 0.6, 0.8, 1]);
            expect(cd[2][0].t.barwidth).toBe(1);
            expect(cd[3][0].t.barwidth).toBe(0.8);
            expect(cd[0][0].t.poffset).toBe(0);
            expect(cd[1][0].t.poffset).toBe(0);
            expect(cd[2][0].t.poffset).toBe(0);
            expect(cd[3][0].t.poffset).toBe(0);
            assertTraceField(cd, 't.bargroupwidth', [0.8, 0.8, 0.8, 0.8]);

            var traceNodes = getAllTraceNodes(gd);
            var trace0Bar3 = getAllBarNodes(traceNodes[0])[3];
            var path03 = trace0Bar3.querySelector('path');
            var text03 = trace0Bar3.querySelector('text');
            var trace1Bar2 = getAllBarNodes(traceNodes[1])[2];
            var path12 = trace1Bar2.querySelector('path');
            var text12 = trace1Bar2.querySelector('text');
            var trace2Bar0 = getAllBarNodes(traceNodes[2])[0];
            var path20 = trace2Bar0.querySelector('path');
            var text20 = trace2Bar0.querySelector('text');
            var trace3Bar0 = getAllBarNodes(traceNodes[3])[1];
            var path30 = trace3Bar0.querySelector('path');
            var text30 = trace3Bar0.querySelector('text');

            expect(text03.textContent).toBe('4');
            expect(text12.textContent).toBe('inside text');
            expect(text20.textContent).toBe('-1');
            expect(text30.textContent).toBe('outside text');

            assertTextIsInsidePath(text03, path03); // inside
            assertTextIsInsidePath(text12, path12); // inside
            assertTextIsInsidePath(text20, path20); // inside
            assertTextIsInsidePath(text30, path30); // inside
        })
        .catch(failTest)
        .then(done);
    });

    it('should coerce text-related attributes', function(done) {
        var data = [{
            y: [10, 20, 30, 40],
            type: 'bar',
            text: ['T1P1', 'T1P2', 13, 14],
            textposition: ['inside', 'outside', 'auto', 'BADVALUE'],
            textfont: {
                family: ['"comic sans"'],
                color: ['red', 'green'],
            },
            insidetextfont: {
                size: [8, 12, 16],
                color: ['black'],
            },
            outsidetextfont: {
                size: [null, 24, 32]
            }
        }];
        var layout = {
            font: {family: 'arial', color: 'blue', size: 13}
        };

        // Note: insidetextfont.color does NOT inherit from textfont.color
        // since insidetextfont.color should be contrasting to bar's fill by default.
        var contrastingLightColorVal = color.contrast('black');
        var expected = {
            y: [10, 20, 30, 40],
            type: 'bar',
            text: ['T1P1', 'T1P2', '13', '14'],
            textposition: ['inside', 'outside', 'none'],
            textfont: {
                family: ['"comic sans"', 'arial'],
                color: ['red', 'green'],
                size: [13, 13]
            },
            insidetextfont: {
                family: ['"comic sans"', 'arial', 'arial'],
                color: ['black', 'green', contrastingLightColorVal],
                size: [8, 12, 16]
            },
            outsidetextfont: {
                family: ['"comic sans"', 'arial', 'arial'],
                color: ['red', 'green', 'blue'],
                size: [13, 24, 32]
            }
        };

        Plotly.plot(gd, data, layout).then(function() {
            var traceNodes = getAllTraceNodes(gd);
            var barNodes = getAllBarNodes(traceNodes[0]);
            var pathNodes = [
                barNodes[0].querySelector('path'),
                barNodes[1].querySelector('path'),
                barNodes[2].querySelector('path'),
                barNodes[3].querySelector('path')
            ];
            var textNodes = [
                barNodes[0].querySelector('text'),
                barNodes[1].querySelector('text'),
                barNodes[2].querySelector('text'),
                barNodes[3].querySelector('text')
            ];
            var i;

            // assert bar texts
            for(i = 0; i < 3; i++) {
                expect(textNodes[i].textContent).toBe(expected.text[i]);
            }

            // assert bar positions
            assertTextIsInsidePath(textNodes[0], pathNodes[0]); // inside
            assertTextIsAbovePath(textNodes[1], pathNodes[1]); // outside
            assertTextIsInsidePath(textNodes[2], pathNodes[2]); // auto -> inside
            expect(textNodes[3]).toBe(null); // BADVALUE -> none

            // assert fonts
            assertTextFont(textNodes[0], expected.insidetextfont, 0);
            assertTextFont(textNodes[1], expected.outsidetextfont, 1);
            assertTextFont(textNodes[2], expected.insidetextfont, 2);
        })
        .catch(failTest)
        .then(done);
    });

    it('can change orientation and correctly sets axis types', function(done) {
        function checkBarsMatch(dims, msg) {
            var bars = d3.selectAll('.bars .point');
            var bbox1 = bars.node().getBoundingClientRect();
            bars.each(function(d, i) {
                if(!i) return;
                var bbox = this.getBoundingClientRect();
                ['left', 'right', 'top', 'bottom', 'width', 'height'].forEach(function(dim) {
                    negateIf(dims.indexOf(dim) === -1, expect(bbox[dim]))
                        .toBeWithin(bbox1[dim], 0.1, msg + ' (' + i + '): ' + dim);
                });
            });
        }

        Plotly.newPlot(gd, [{
            x: ['a', 'b', 'c'],
            y: [1, 2, 3],
            type: 'bar'
        }], {
            width: 400, height: 400
        })
        .then(function() {
            checkTicks('x', ['a', 'b', 'c'], 'initial x');
            checkTicks('y', ['0', '0.5', '1', '1.5', '2', '2.5', '3'], 'initial y');

            checkBarsMatch(['bottom', 'width'], 'initial');

            // turn implicit "v" into explicit "v" - a noop but specifically
            // for orientation this was broken at one point...
            return Plotly.restyle(gd, {orientation: 'v'});
        })
        .then(function() {
            checkTicks('x', ['a', 'b', 'c'], 'explicit v x');
            checkTicks('y', ['0', '0.5', '1', '1.5', '2', '2.5', '3'], 'explicit v y');

            checkBarsMatch(['bottom', 'width'], 'explicit v');

            // back to implicit v
            return Plotly.restyle(gd, {orientation: null});
        })
        .then(function() {
            checkTicks('x', ['a', 'b', 'c'], 'implicit v x');
            checkTicks('y', ['0', '0.5', '1', '1.5', '2', '2.5', '3'], 'implicit v y');

            checkBarsMatch(['bottom', 'width'], 'implicit v');

            return Plotly.restyle(gd, {orientation: 'h'});
        })
        .then(function() {
            checkTicks('x', ['0', '1', '2', '3'], 'h x');
            checkTicks('y', ['a', 'b', 'c'], 'h y');

            checkBarsMatch(['left', 'height'], 'initial');

            return Plotly.restyle(gd, {orientation: 'v'});
        })
        .then(function() {
            checkTicks('x', ['a', 'b', 'c'], 'final x');
            checkTicks('y', ['0', '0.5', '1', '1.5', '2', '2.5', '3'], 'final y');

            checkBarsMatch(['bottom', 'width'], 'final');
        })
        .catch(failTest)
        .then(done);
    });

    it('should be able to add/remove text node on restyle', function(done) {
        function _assertNumberOfBarTextNodes(cnt) {
            var sel = d3.select(gd).select('.barlayer').selectAll('text');
            expect(sel.size()).toBe(cnt);
        }

        Plotly.plot(gd, [{
            type: 'bar',
            x: ['Product A', 'Product B', 'Product C'],
            y: [20, 14, 23],
            text: [20, 14, 23],
            textposition: 'auto'
        }])
        .then(function() {
            _assertNumberOfBarTextNodes(3);
            return Plotly.restyle(gd, 'textposition', 'none');
        })
        .then(function() {
            _assertNumberOfBarTextNodes(0);
            return Plotly.restyle(gd, 'textposition', 'auto');
        })
        .then(function() {
            _assertNumberOfBarTextNodes(3);
            return Plotly.restyle(gd, 'text', [[null, 0, '']]);
        })
        .then(function() {
            // N.B. that '0' should be there!
            _assertNumberOfBarTextNodes(1);
            return Plotly.restyle(gd, 'text', 'yo!');
        })
        .then(function() {
            _assertNumberOfBarTextNodes(3);
            return Plotly.restyle(gd, 'text', [[null, true, '']]);
        })
        .then(function() {
            _assertNumberOfBarTextNodes(1);
        })
        .catch(failTest)
        .then(done);
    });

    it('should be able to react with new text colors', function(done) {
        Plotly.react(gd, [{
            type: 'bar',
            y: [1, 2, 3],
            text: ['A', 'B', 'C'],
            textposition: 'inside'
        }])
        .then(assertTextFontColors(['rgb(255, 255, 255)', 'rgb(255, 255, 255)', 'rgb(255, 255, 255)']))
        .then(function() {
            gd.data[0].insidetextfont = {color: 'red'};
            return Plotly.react(gd, gd.data);
        })
        .then(assertTextFontColors(['rgb(255, 0, 0)', 'rgb(255, 0, 0)', 'rgb(255, 0, 0)']))
        .then(function() {
            delete gd.data[0].insidetextfont.color;
            gd.data[0].textfont = {color: 'blue'};
            return Plotly.react(gd, gd.data);
        })
        .then(assertTextFontColors(['rgb(0, 0, 255)', 'rgb(0, 0, 255)', 'rgb(0, 0, 255)']))
        .then(function() {
            gd.data[0].textposition = 'outside';
            return Plotly.react(gd, gd.data);
        })
        .then(assertTextFontColors(['rgb(0, 0, 255)', 'rgb(0, 0, 255)', 'rgb(0, 0, 255)']))
        .then(function() {
            gd.data[0].outsidetextfont = {color: 'red'};
            return Plotly.react(gd, gd.data);
        })
        .then(assertTextFontColors(['rgb(255, 0, 0)', 'rgb(255, 0, 0)', 'rgb(255, 0, 0)']))
        .catch(failTest)
        .then(done);
    });

    it('should not error out when *textfont* is set in traces w/o *text*', function(done) {
        Plotly.plot(gd, [{
            type: 'bar',
            x: ['A', 'K', 'M', 'O', 'Q', 'S', 'T', 'V', 'X', 'Z', 'D', 'F', 'H'],
            y: [1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25],
            textfont: {color: 'red'}
        }])
        .then(function() {
            expect(getAllBarNodes(gd).length).toBe(13, '# of bars');
        })
        .catch(failTest)
        .then(done);
    });

    it('should show/hide text in clipped and non-clipped layers', function(done) {
        var fig = Lib.extendDeep({}, require('@mocks/bar_cliponaxis-false.json'));
        gd = createGraphDiv();

        // only show one bar trace
        fig.data = [fig.data[0]];

        // add a non-bar trace to make sure its module layer gets clipped
        fig.data.push({
            type: 'contour',
            z: [[0, 0.5, 1], [0.5, 1, 3]]
        });

        function _assertClip(sel, exp, size, msg) {
            if(exp === null) {
                expect(sel.size()).toBe(0, msg + 'selection should not exist');
            } else {
                assertClip(sel, exp, size, msg);
            }
        }

        function _assert(layerClips, barDisplays, barTextDisplays, barClips) {
            var subplotLayer = d3.select('.plot');
            var barLayer = subplotLayer.select('.barlayer');

            _assertClip(subplotLayer, layerClips[0], 1, 'subplot layer');
            _assertClip(subplotLayer.select('.contourlayer'), layerClips[1], 1, 'some other trace layer');
            _assertClip(barLayer, layerClips[2], 1, 'bar layer');

            assertNodeDisplay(
                barLayer.selectAll('.point'),
                barDisplays,
                'bar points (never hidden by display attr)'
            );
            assertNodeDisplay(
                barLayer.selectAll('.bartext'),
                barTextDisplays,
                'bar text'
            );

            assertClip(
                barLayer.selectAll('.point > path'),
                barClips[0], barClips[1],
                'bar clips'
            );
        }

        Plotly.newPlot(gd, fig).then(function() {
            _assert(
                [false, true, false],
                [null, null, null],
                [null, null, 'none'],
                [true, 3]
            );
            return Plotly.restyle(gd, 'visible', false);
        })
        .then(function() {
            _assert(
                [true, null, null],
                [],
                [],
                [false, 0]
            );
            return Plotly.restyle(gd, {visible: true, cliponaxis: null});
        })
        .then(function() {
            _assert(
                [true, false, false],
                [null, null, null],
                [null, null, null],
                [false, 3]
            );
            return Plotly.restyle(gd, 'cliponaxis', false);
        })
        .then(function() {
            _assert(
                [false, true, false],
                [null, null, null],
                [null, null, 'none'],
                [true, 3]
            );
            return Plotly.relayout(gd, 'yaxis.range', [0, 1]);
        })
        .then(function() {
            _assert(
                [false, true, false],
                [null, null, null],
                ['none', 'none', 'none'],
                [true, 3]
            );
            return Plotly.relayout(gd, 'yaxis.range', [0, 4]);
        })
        .then(function() {
            _assert(
                [false, true, false],
                [null, null, null],
                [null, null, null],
                [true, 3]
            );
        })
        .catch(failTest)
        .then(done);
    });

    function getArea(path) {
        var pos = path
            .substr(1, path.length - 2)
            .replace('V', ',')
            .replace('H', ',')
            .replace('V', ',')
            .split(',');
        var dx = +pos[0];
        var dy = +pos[1];
        dy -= +pos[2];
        dx -= +pos[3];

        return Math.abs(dx * dy);
    }

    it('should not show up null and zero bars as thin bars', function(done) {
        var mock = Lib.extendDeep({}, require('@mocks/bar_hide_nulls.json'));

        Plotly.plot(gd, mock)
        .then(function() {
            var nodes = gd.querySelectorAll('g.point > path');
            expect(nodes.length).toBe(16, '# of bars');

            [
                [0, false],
                [1, false],
                [2, true],
                [3, true],
                [4, false],
                [5, false],
                [6, true],
                [7, true],
                [8, false],
                [9, false],
                [10, true],
                [11, true],
                [12, false],
                [13, false],
                [14, true],
                [15, true]
            ].forEach(function(e) {
                var i = e[0];
                var d = nodes[i].getAttribute('d');
                var visible = e[1];
                expect(getArea(d) > 0).toBe(visible, 'item:' + i);
            });
        })
        .catch(failTest)
        .then(done);
    });

    describe('show narrow bars', function() {
        ['initial zoom', 'after zoom out'].forEach(function(zoomStr) {
            it(zoomStr, function(done) {
                var mock = Lib.extendDeep({}, require('@mocks/bar_show_narrow.json'));

                if(zoomStr === 'after zoom out') {
                    mock.layout.xaxis.range = [-14.9, 17.9];
                    mock.layout.xaxis2.range = [17.9, -14.9];
                    mock.layout.xaxis3.range = [-3.9, 4.9];
                    mock.layout.xaxis4.range = [4.9, -3.9];

                    mock.layout.yaxis.range = [-3.9, 4.9];
                    mock.layout.yaxis2.range = [4.9, -3.9];
                    mock.layout.yaxis3.range = [-14.9, 17.9];
                    mock.layout.yaxis4.range = [17.9, -14.9];
                }

                Plotly.plot(gd, mock)
                .then(function() {
                    var nodes = gd.querySelectorAll('g.point > path');
                    expect(nodes.length).toBe(16, '# of bars');

                    for(var i = 0; i < 16; i++) {
                        var d = nodes[i].getAttribute('d');
                        expect(getArea(d) > 0).toBe(true, 'item:' + i);
                    }
                })
                .catch(failTest)
                .then(done);
            });
        });
    });
});

describe('bar visibility toggling:', function() {
    var gd;

    beforeEach(function() {
        gd = createGraphDiv();
    });

    afterEach(destroyGraphDiv);

    function _assert(msg, xrng, yrng, calls) {
        var fullLayout = gd._fullLayout;
        expect(fullLayout.xaxis.range).toBeCloseToArray(xrng, 2, msg + ' xrng');
        expect(fullLayout.yaxis.range).toBeCloseToArray(yrng, 2, msg + ' yrng');

        var crossTraceCalc = gd._fullData[0]._module.crossTraceCalc;
        expect(crossTraceCalc).toHaveBeenCalledTimes(calls);
        crossTraceCalc.calls.reset();
    }

    it('should update axis range according to visible edits (group case)', function(done) {
        Plotly.plot(gd, [
            {type: 'bar', x: [1, 2, 3], y: [1, 2, 1]},
            {type: 'bar', x: [1, 2, 3], y: [-1, -2, -1]}
        ])
        .then(function() {
            spyOn(gd._fullData[0]._module, 'crossTraceCalc').and.callThrough();

            _assert('base', [0.5, 3.5], [-2.222, 2.222], 0);
            expect(gd._fullLayout.legend.traceorder).toBe('normal');
            return Plotly.restyle(gd, 'visible', false, [1]);
        })
        .then(function() {
            _assert('visible [true,false]', [0.5, 3.5], [0, 2.105], 1);
            return Plotly.restyle(gd, 'visible', false, [0]);
        })
        .then(function() {
            _assert('both invisible', [0.5, 3.5], [0, 2.105], 0);
            return Plotly.restyle(gd, 'visible', 'legendonly');
        })
        .then(function() {
            _assert('both legendonly', [0.5, 3.5], [0, 2.105], 0);
            expect(gd._fullLayout.legend.traceorder).toBe('normal');
            return Plotly.restyle(gd, 'visible', true, [1]);
        })
        .then(function() {
            _assert('visible [false,true]', [0.5, 3.5], [-2.105, 0], 1);
            return Plotly.restyle(gd, 'visible', true);
        })
        .then(function() {
            _assert('back to both visible', [0.5, 3.5], [-2.222, 2.222], 1);
        })
        .catch(failTest)
        .then(done);
    });

    it('should update axis range according to visible edits (stack case)', function(done) {
        Plotly.plot(gd, [
            {type: 'bar', x: [1, 2, 3], y: [1, 2, 1]},
            {type: 'bar', x: [1, 2, 3], y: [2, 3, 2]}
        ], {barmode: 'stack'})
        .then(function() {
            spyOn(gd._fullData[0]._module, 'crossTraceCalc').and.callThrough();

            _assert('base', [0.5, 3.5], [0, 5.263], 0);
            expect(gd._fullLayout.legend.traceorder).toBe('reversed');
            return Plotly.restyle(gd, 'visible', false, [1]);
        })
        .then(function() {
            _assert('visible [true,false]', [0.5, 3.5], [0, 2.105], 1);
            return Plotly.restyle(gd, 'visible', false, [0]);
        })
        .then(function() {
            _assert('both invisible', [0.5, 3.5], [0, 2.105], 0);
            return Plotly.restyle(gd, 'visible', 'legendonly');
        })
        .then(function() {
            _assert('both legendonly', [0.5, 3.5], [0, 2.105], 0);
            expect(gd._fullLayout.legend.traceorder).toBe('reversed');
            return Plotly.restyle(gd, 'visible', true, [1]);
        })
        .then(function() {
            _assert('visible [false,true]', [0.5, 3.5], [0, 3.157], 1);
            return Plotly.restyle(gd, 'visible', true);
        })
        .then(function() {
            _assert('back to both visible', [0.5, 3.5], [0, 5.263], 1);
        })
        .catch(failTest)
        .then(done);
    });

    it('gets the right legend traceorder if all bars are visible: false', function(done) {
        function _assert(traceorder, yRange, legendCount) {
            expect(gd._fullLayout.legend.traceorder).toBe(traceorder);
            expect(gd._fullLayout.yaxis.range).toBeCloseToArray(yRange, 2);
            expect(d3.select(gd).selectAll('.legend .traces').size()).toBe(legendCount);
        }
        Plotly.newPlot(gd, [
            {type: 'bar', y: [1, 2, 3]},
            {type: 'bar', y: [3, 2, 1]},
            {y: [2, 3, 2]},
            {y: [3, 2, 3]}
        ], {
            barmode: 'stack', width: 400, height: 400
        })
        .then(function() {
            _assert('reversed', [0, 4.211], 4);

            return Plotly.restyle(gd, {visible: false}, [0, 1]);
        })
        .then(function() {
            _assert('normal', [1.922, 3.077], 2);

            return Plotly.restyle(gd, {visible: 'legendonly'}, [0, 1]);
        })
        .then(function() {
            _assert('reversed', [1.922, 3.077], 4);
        })
        .catch(failTest)
        .then(done);
    });
});

describe('bar hover', function() {
    'use strict';

    var gd;

    afterEach(destroyGraphDiv);

    function getPointData(gd, curveNumber) {
        curveNumber = curveNumber || 0;

        var cd = gd.calcdata;
        var subplot = gd._fullLayout._plots.xy;

        return {
            index: false,
            distance: 20,
            cd: cd[curveNumber],
            trace: cd[curveNumber][0].trace,
            xa: subplot.xaxis,
            ya: subplot.yaxis,
            maxHoverDistance: 20
        };
    }

    function _hover(gd, xval, yval, hovermode) {
        var pointData = getPointData(gd);
        var pts = Bar.hoverPoints(pointData, xval, yval, hovermode);
        if(!pts) return false;

        var pt = pts[0];

        return {
            style: [pt.index, pt.color, pt.xLabelVal, pt.yLabelVal],
            pos: [pt.x0, pt.x1, pt.y0, pt.y1],
            text: pt.text
        };
    }

    function assertPos(actual, expected) {
        var TOL = 5;

        actual.forEach(function(p, i) {
            expect(p).toBeWithin(expected[i], TOL);
        });
    }

    describe('with orientation *v*', function() {
        beforeAll(function(done) {
            gd = createGraphDiv();

            var mock = Lib.extendDeep({}, require('@mocks/11.json'));

            Plotly.plot(gd, mock.data, mock.layout)
            .catch(failTest)
            .then(done);
        });

        it('should return the correct hover point data (case x)', function() {
            var out = _hover(gd, 0, 0, 'x');

            expect(out.style).toEqual([0, 'rgb(255, 102, 97)', 0, 13.23]);
            assertPos(out.pos, [11.87, 106.8, 152.76, 152.76]);
        });

        it('should return the correct hover point data (case closest)', function() {
            var out = _hover(gd, -0.2, 12, 'closest');

            expect(out.style).toEqual([0, 'rgb(255, 102, 97)', 0, 13.23]);
            assertPos(out.pos, [11.87, 59.33, 152.76, 152.76]);
        });
    });

    describe('with orientation *h*', function() {
        beforeAll(function(done) {
            gd = createGraphDiv();

            var mock = Lib.extendDeep({}, require('@mocks/bar_attrs_group_norm.json'));

            Plotly.plot(gd, mock.data, mock.layout)
            .catch(failTest)
            .then(done);
        });

        it('should return the correct hover point data (case y)', function() {
            var out = _hover(gd, 0.75, 0.15, 'y');
            var subplot = gd._fullLayout._plots.xy;
            var xa = subplot.xaxis;
            var ya = subplot.yaxis;
            var barDelta = 1 * 0.8 / 2;
            var x0 = xa.c2p(0.5, true);
            var x1 = x0;
            var y0 = ya.c2p(0 - barDelta, true);
            var y1 = ya.c2p(0 + barDelta, true);

            expect(out.style).toEqual([0, '#1f77b4', 0.5, 0]);
            assertPos(out.pos, [x0, x1, y0, y1]);
        });

        it('should return the correct hover point data (case closest)', function() {
            var out = _hover(gd, 0.75, -0.15, 'closest');
            var subplot = gd._fullLayout._plots.xy;
            var xa = subplot.xaxis;
            var ya = subplot.yaxis;
            var barDelta = 1 * 0.8 / 2 / 2;
            var barPos = 0 - 1 * 0.8 / 2 + barDelta;
            var x0 = xa.c2p(0.5, true);
            var x1 = x0;
            var y0 = ya.c2p(barPos - barDelta, true);
            var y1 = ya.c2p(barPos + barDelta, true);

            expect(out.style).toEqual([0, '#1f77b4', 0.5, 0]);
            assertPos(out.pos, [x0, x1, y0, y1]);
        });
    });

    describe('text labels', function() {
        it('should show \'hovertext\' items when present, \'text\' if not', function(done) {
            gd = createGraphDiv();

            var mock = Lib.extendDeep({}, require('@mocks/text_chart_arrays'));
            mock.data.forEach(function(t) { t.type = 'bar'; });

            Plotly.plot(gd, mock).then(function() {
                var out = _hover(gd, -0.25, 0.5, 'closest');
                expect(out.text).toEqual('Hover text\nA', 'hover text');

                return Plotly.restyle(gd, 'hovertext', null);
            })
            .then(function() {
                var out = _hover(gd, -0.25, 0.5, 'closest');
                expect(out.text).toEqual('Text\nA', 'hover text');

                return Plotly.restyle(gd, 'text', ['APPLE', 'BANANA', 'ORANGE']);
            })
            .then(function() {
                var out = _hover(gd, -0.25, 0.5, 'closest');
                expect(out.text).toEqual('APPLE', 'hover text');

                return Plotly.restyle(gd, 'hovertext', ['apple', 'banana', 'orange']);
            })
            .then(function() {
                var out = _hover(gd, -0.25, 0.5, 'closest');
                expect(out.text).toEqual('apple', 'hover text');
            })
            .catch(failTest)
            .then(done);
        });

        it('should use hovertemplate if specified', function(done) {
            gd = createGraphDiv();

            var mock = Lib.extendDeep({}, require('@mocks/text_chart_arrays'));
            mock.data.forEach(function(t) {
                t.type = 'bar';
                t.hovertemplate = '%{y}<extra></extra>';
            });

            function _hover() {
                var evt = { xpx: 125, ypx: 150 };
                Fx.hover('graph', evt, 'xy');
            }

            Plotly.plot(gd, mock)
            .then(_hover)
            .then(function() {
                assertHoverLabelContent({
                    nums: ['1', '2', '1.5'],
                    name: ['', '', ''],
                    axis: '0'
                });
                // return Plotly.restyle(gd, 'text', ['APPLE', 'BANANA', 'ORANGE']);
            })
            .catch(failTest)
            .then(done);
        });

        it('should allow both x/y tokens and label/value tokens', function(done) {
            gd = createGraphDiv();

            function _hover(xpx, ypx) {
                return function() {
                    Fx.hover(gd, {xpx: xpx, ypx: ypx}, 'xy');
                    Lib.clearThrottle();
                };
            }

            Plotly.plot(gd, {
                data: [{
                    type: 'bar',
                    x: ['a', 'b'],
                    y: ['1000', '1200'],
                    hovertemplate: ['%{x} is %{y}', '%{label} is %{value}']
                }],
                layout: {
                    xaxis: { tickprefix: '*', ticksuffix: '*' },
                    yaxis: { tickprefix: '$', ticksuffix: ' !', tickformat: '.2f'},
                    width: 400,
                    height: 400,
                    margin: {l: 0, t: 0, r: 0, b: 0},
                    hovermode: 'closest'
                }
            })
            .then(_hover(100, 200))
            .then(function() {
                assertHoverLabelContent({
                    nums: '*a* is $1000.00 !',
                    name: 'trace 0'
                });
            })
            .then(_hover(300, 200))
            .then(function() {
                assertHoverLabelContent({
                    nums: '*b* is $1200.00 !',
                    name: 'trace 0'
                });
            })
            .catch(failTest)
            .then(done);
        });
    });

    describe('with special width/offset combinations', function() {
        beforeEach(function() {
            gd = createGraphDiv();
        });

        it('should return correct hover data (single bar, trace width)', function(done) {
            Plotly.plot(gd, [{
                type: 'bar',
                x: [1],
                y: [2],
                width: 10,
                marker: { color: 'red' }
            }], {
                xaxis: { range: [-200, 200] }
            })
            .then(function() {
                // all these x, y, hovermode should give the same (the only!) hover label
                [
                    [0, 0, 'closest'],
                    [-3.9, 1, 'closest'],
                    [5.9, 1.9, 'closest'],
                    [-3.9, -10, 'x'],
                    [5.9, 19, 'x']
                ].forEach(function(hoverSpec) {
                    var out = _hover(gd, hoverSpec[0], hoverSpec[1], hoverSpec[2]);

                    expect(out.style).toEqual([0, 'red', 1, 2], hoverSpec);
                    assertPos(out.pos, [264, 278, 14, 14], hoverSpec);
                });

                // then a few that are off the edge so yield nothing
                [
                    [1, -0.1, 'closest'],
                    [1, 2.1, 'closest'],
                    [-4.1, 1, 'closest'],
                    [6.1, 1, 'closest'],
                    [-4.1, 1, 'x'],
                    [6.1, 1, 'x']
                ].forEach(function(hoverSpec) {
                    var out = _hover(gd, hoverSpec[0], hoverSpec[1], hoverSpec[2]);

                    expect(out).toBe(false, hoverSpec);
                });
            })
            .catch(failTest)
            .then(done);
        });

        it('should return correct hover data (two bars, array width)', function(done) {
            Plotly.plot(gd, [{
                type: 'bar',
                x: [1, 200],
                y: [2, 1],
                width: [10, 20],
                marker: { color: 'red' }
            }, {
                type: 'bar',
                x: [1, 200],
                y: [1, 2],
                width: [20, 10],
                marker: { color: 'green' }
            }], {
                xaxis: { range: [-200, 300] },
                width: 500,
                height: 500
            })
            .then(function() {
                var out = _hover(gd, -36, 1.5, 'closest');

                expect(out.style).toEqual([0, 'red', 1, 2]);
                assertPos(out.pos, [99, 106, 13, 13]);

                out = _hover(gd, 164, 0.8, 'closest');

                expect(out.style).toEqual([1, 'red', 200, 1]);
                assertPos(out.pos, [222, 235, 168, 168]);

                out = _hover(gd, 125, 0.8, 'x');

                expect(out.style).toEqual([1, 'red', 200, 1]);
                assertPos(out.pos, [222, 280, 168, 168]);
            })
            .catch(failTest)
            .then(done);
        });

        it('positions labels correctly w.r.t. narrow bars', function(done) {
            Plotly.newPlot(gd, [{
                x: [0, 10, 20],
                y: [1, 3, 2],
                type: 'bar',
                width: 1
            }], {
                width: 500,
                height: 500,
                margin: {l: 100, r: 100, t: 100, b: 100}
            })
            .then(function() {
                // you can still hover over the gap (14) but the label will
                // get pushed in to the bar
                var out = _hover(gd, 14, 2, 'x');
                assertPos(out.pos, [145, 155, 15, 15]);

                // in closest mode you must be over the bar though
                out = _hover(gd, 14, 2, 'closest');
                expect(out).toBe(false);

                // now for a single bar trace, closest and compare modes give the same
                // positioning of hover labels
                out = _hover(gd, 10, 2, 'closest');
                assertPos(out.pos, [145, 155, 15, 15]);
            })
            .catch(failTest)
            .then(done);
        });
    });

    describe('should include info of height=0 bars on hover', function() {
        var modes = ['stack', 'overlay', 'group'];

        modes.forEach(function(m) {
            it('- under barmode:' + m, function(done) {
                gd = createGraphDiv();

                Plotly.plot(gd, [{
                    type: 'bar',
                    y: [0, 1, 0]
                }, {
                    type: 'bar',
                    y: [1, 0, 1]
                }], {
                    barmode: m
                })
                .then(function() {
                    var pt0 = Bar.hoverPoints(getPointData(gd, 0), 0, 1, 'x')[0];
                    var pt1 = Bar.hoverPoints(getPointData(gd, 1), 0, 1, 'x')[0];

                    expect(pt0.yLabelVal).toBe(0, 'y label value for data[0]');
                    expect(pt1.yLabelVal).toBe(1, 'y label value for data[1]');
                })
                .catch(failTest)
                .then(done);
            });
        });
    });
});

describe('Text templates on bar traces:', function() {
    checkTextTemplate([{
        type: 'bar',
        y: [1, 5, 3, 2],
        text: ['A', 'B', 'C', 'D'],
        textposition: 'inside',
        hovertemplate: '%{text}'
    }], 'text.bartext', [
      ['%{text} - %{value}', ['A - 1', 'B - 5', 'C - 3', 'D - 2']],
      [['%{y}', '%{value}', '%{text}'], ['1', '5', 'C']]
    ]);

    checkTextTemplate([{
        type: 'bar',
        textposition: 'outside',
        x: ['2019-01-01', '2019-02-01'],
        y: [1, 2],
        hovertemplate: '%{x}',
        texttemplate: '%{x}'
    }], 'text.bartext', [
      ['%{x}', ['Jan 1, 2019', 'Feb 1, 2019']]
    ]);

    checkTextTemplate({
        data: [{
            type: 'bar',
            textposition: 'inside',
            x: ['a', 'b'],
            y: ['1000', '1200'],
        }],
        layout: {
            xaxis: { tickprefix: '*', ticksuffix: '*' },
            yaxis: { tickprefix: '$', ticksuffix: ' !', tickformat: '.2f'}
        },
    }, 'text.bartext', [
        ['%{x} is %{y}', ['*a* is $1000.00 !', '*b* is $1200.00 !']],
        ['%{label} is %{value}', ['*a* is $1000.00 !', '*b* is $1200.00 !']]
    ]);
});

describe('event data', function() {
    var mock = require('@mocks/stacked_bar');
    checkEventData(mock, 216, 309, constants.eventDataKeys);
});

function mockBarPlot(dataWithoutTraceType, layout) {
    var traceTemplate = { type: 'bar' };

    var dataWithTraceType = dataWithoutTraceType.map(function(trace) {
        return Lib.extendFlat({}, traceTemplate, trace);
    });

    var gd = {
        data: dataWithTraceType,
        layout: layout || {},
        calcdata: [],
        _context: {locale: 'en', locales: {}}
    };

    supplyAllDefaults(gd);
    Plots.doCalcdata(gd);

    return gd;
}

function assertArrayField(calcData, prop, expectation) {
    var values = Lib.nestedProperty(calcData, prop).get();
    if(!Array.isArray(values)) values = [values];

    expect(values).toBeCloseToArray(expectation, undefined, '(field ' + prop + ')');
}

function assertPointField(calcData, prop, expectation) {
    var values = [];

    calcData.forEach(function(calcTrace) {
        var vals = calcTrace.map(function(pt) {
            return Lib.nestedProperty(pt, prop).get();
        });

        values.push(vals);
    });

    expect(values).toBeCloseTo2DArray(expectation, undefined, '(field ' + prop + ')');
}

function assertTraceField(calcData, prop, expectation) {
    var values = calcData.map(function(calcTrace) {
        return Lib.nestedProperty(calcTrace[0], prop).get();
    });

    expect(values).toBeCloseToArray(expectation, undefined, '(field ' + prop + ')');
}

describe('bar tweening', function() {
    var gd;
    var mock = {
        'data': [{
            'type': 'bar',
            'x': ['A', 'B', 'C'],
            'text': ['A', 'B', 'C'],
            'textposition': 'inside',
            'y': [24, 5, 8],
            'error_y': {'array': [3, 2, 1]}
        }]
    };
    var transitionOpts = false; // use default

    beforeEach(function() {
        gd = createGraphDiv();
    });

    afterEach(function() {
        Plotly.purge(gd);
        destroyGraphDiv();
    });

    it('for bar fill color', function(done) {
        var tests = [
            [0, '.point path', 'style', 'fill', ['rgb(31, 119, 180)', 'rgb(31, 119, 180)', 'rgb(31, 119, 180)']],
            [100, '.point path', 'style', 'fill', ['rgb(76, 95, 144)', 'rgb(25, 146, 144)', 'rgb(25, 95, 195)']],
            [300, '.point path', 'style', 'fill', ['rgb(165, 48, 72)', 'rgb(12, 201, 72)', 'rgb(12, 48, 225)']],
            [500, '.point path', 'style', 'fill', ['rgb(255, 0, 0)', 'rgb(0, 255, 0)', 'rgb(0, 0, 255)']]
        ];
        var animateOpts = {'data': [{'marker': {'color': ['rgb(255, 0, 0)', 'rgb(0, 255, 0)', 'rgb(0, 0, 255)']}}]};

        checkTransition(gd, mock, animateOpts, transitionOpts, tests)
          .catch(failTest)
          .then(done);
    });

    it('for vertical bar height and text position', function(done) {
        var tests = [
            [0, '.point path', 'attr', 'd', ['M18,270V42H162V270Z', 'M198,270V222.5H342V270Z', 'M378,270V194H522V270Z']],
            [0, 'text.bartext', 'attr', 'transform', ['translate(90 56)', 'translate(270 236.5)', 'translate(450 208)']],
            [100, '.point path', 'attr', 'd', ['M18,270V78.1H162V270Z', 'M198,270V186.4H342V270Z', 'M378,270V186.40000000000003H522V270Z']],
            [300, '.point path', 'attr', 'd', ['M18,270V150.3H162V270Z', 'M198,270V114.2H342V270Z', 'M378,270V171.2H522V270Z']],
            [300, 'text.bartext', 'attr', 'transform', ['translate(90,164.3)', 'translate(270,128.20000000000002)', 'translate(450,185.2)']],
            [500, '.point path', 'attr', 'd', ['M18,270V222.5H162V270Z', 'M198,270V42H342V270Z', 'M378,270V156H522V270Z']],
            [600, '.point path', 'attr', 'd', ['M18,270V222.5H162V270Z', 'M198,270V42H342V270Z', 'M378,270V156H522V270Z']],
            [600, 'text.bartext', 'attr', 'transform', ['translate(90 236.5)', 'translate(270 56)', 'translate(450 170)']],
        ];
        var animateOpts = {data: [{y: [5, 24, 12]}]};

        checkTransition(gd, mock, animateOpts, transitionOpts, tests)
          .catch(failTest)
          .then(done);
    });

    it('for vertical bar width', function(done) {
        var tests = [
            [0, '.point path', 'attr', 'd', ['M54,270V13.5H486V270Z']],
            [250, '.point path', 'attr', 'd', ['M94.5,270V13.5H445.5V270Z']],
            [500, '.point path', 'attr', 'd', ['M135,270V13.5H405V270Z']]
        ];
        var animateOpts = {data: [{width: 0.5}]};

        checkTransition(gd, {
            data: [{
                type: 'bar',
                y: [5]
            }]},
          animateOpts, transitionOpts, tests)
          .catch(failTest)
          .then(done);
    });

    it('for horizontal bar length and text position', function(done) {
        var mockCopy = Lib.extendDeep({}, mock);
        mockCopy.data[0].orientation = 'h';
        mockCopy.data[0].x = mock.data[0].y.slice();
        mockCopy.data[0].y = mock.data[0].x.slice();
        var tests = [
            [0, '.point path', 'attr', 'd', ['M0,261V189H107V261Z', 'M0,171V99H513V171Z', 'M0,81V9H257V81Z']],
            [0, 'text.bartext', 'attr', 'transform', ['translate(100 229)', 'translate(506 139)', 'translate(249 49)']],
            [150, '.point path', 'attr', 'd', ['M0,261V189H171V261Z', 'M0,171V99H455V171Z', 'M0,81V9H276V81Z']],
            [300, '.point path', 'attr', 'd', ['M0,261V189H235V261Z', 'M0,171V99H398V171Z', 'M0,81V9H295V81Z']],
            [300, 'text.bartext', 'attr', 'transform', ['translate(228,229)', 'translate(391,139)', 'translate(287,49)']],
            [450, '.point path', 'attr', 'd', ['M0,261V189H299V261Z', 'M0,171V99H340V171Z', 'M0,81V9H314V81Z']],
            [600, '.point path', 'attr', 'd', ['M0,261V189H321V261Z', 'M0,171V99H321V171Z', 'M0,81V9H321V81Z']],
            [600, 'text.bartext', 'attr', 'transform', ['translate(314 229)', 'translate(314 139)', 'translate(313 49)']]
        ];
        var animateOpts = {data: [{x: [15, 15, 15]}]};

        checkTransition(gd, mockCopy, animateOpts, transitionOpts, tests)
          .catch(failTest)
          .then(done);
    });

    it('for bar line width and color', function(done) {
        var tests = [
            [0, '.point path', 'style', 'stroke', ['', '', '']],
            [0, '.point path', 'style', 'stroke-width', ['0px', '0px', '0px']],
            [150, '.point path', 'style', 'stroke', ['rgb(77, 0, 0)', 'rgb(0, 77, 0)', 'rgb(0, 0, 77)']],
            [150, '.point path', 'style', 'stroke-width', ['6px', '6px', '6px']],
            [300, '.point path', 'style', 'stroke', ['rgb(153, 0, 0)', 'rgb(0, 153, 0)', 'rgb(0, 0, 153)']],
            [300, '.point path', 'style', 'stroke-width', ['12px', '12px', '12px']],
            [450, '.point path', 'style', 'stroke', ['rgb(230, 0, 0)', 'rgb(0, 230, 0)', 'rgb(0, 0, 230)']],
            [450, '.point path', 'style', 'stroke-width', ['18px', '18px', '18px']],
            [600, '.point path', 'style', 'stroke', ['rgb(255, 0, 0)', 'rgb(0, 255, 0)', 'rgb(0, 0, 255)']],
            [600, '.point path', 'style', 'stroke-width', ['20px', '20px', '20px']]
        ];
        var animateOpts = {'data': [{'marker': {'line': {'width': 20, 'color': ['rgb(255, 0, 0)', 'rgb(0, 255, 0)', 'rgb(0, 0, 255)']}}}]};

        checkTransition(gd, mock, animateOpts, transitionOpts, tests)
          .catch(failTest)
          .then(done);
    });

    it('for error bars', function(done) {
        var tests = [
          [0, 'path.yerror', 'attr', 'd', ['M266,13.5h8m-4,0V99m-4,0h8']],
          [250, 'path.yerror', 'attr', 'd', ['M266,-18.56h8m-4,0V131.065m-4,0h8']],
          [500, 'path.yerror', 'attr', 'd', ['M266,-50.62h8m-4,0V163.13m-4,0h8']]
        ];
        var animateOpts = {data: [{error_y: {value: 50}}]};

        checkTransition(gd, {
            data: [{
                type: 'bar',
                y: [2],
                error_y: {value: 20}
            }]},
          animateOpts, transitionOpts, tests)
          .catch(failTest)
          .then(done);
    });

    it('for bar positions during object-constancy transitions', function(done) {
        var _mock = {
            data: [{
                type: 'bar',
                ids: ['A', 'B', 'C'],
                x: ['A', 'B', 'C'],
                text: ['A', 'B', 'C'],
                textposition: 'inside',
                y: [24, 5, 8],
                error_y: {'array': [3, 2, 1]},
                marker: {color: ['red', 'green', 'blue']}
            }]
        };

        var nextFrame = { data: [{ ids: ['B', 'C', 'A'] }] };

        var tests = [
            [0, '.point path', 'datum', 'id', ['A', 'B', 'C']],
            [0, '.point path', 'style', 'fill', ['rgb(255, 0, 0)', 'rgb(0, 128, 0)', 'rgb(0, 0, 255)']],
            [0, '.point path', 'attr', 'd', ['M18,270V42H162V270Z', 'M198,270V222.5H342V270Z', 'M378,270V194H522V270Z']],
            [0, 'text.bartext', 'attr', 'transform', ['translate(90 56)', 'translate(270 236.5)', 'translate(450 208)']],
            [0, 'path.yerror', 'attr', 'd', ['M86,14h8m-4,0V71m-4,0h8', 'M266,204h8m-4,0V242m-4,0h8', 'M446,185h8m-4,0V204m-4,0h8']],

            [250, '.point path', 'datum', 'id', ['A', 'B', 'C']],
            [250, '.point path', 'style', 'fill', ['rgb(128, 0, 128)', 'rgb(128, 64, 0)', 'rgb(0, 64, 128)']],
            [250, '.point path', 'attr', 'd', ['M198,270V118H342V270Z', 'M108,270V132H252V270Z', 'M288,270V208H432V270Z']],
            [250, 'text.bartext', 'attr', 'transform', ['translate(269.7890625 134)', 'translate(179.5859375 148.25)', 'translate(359.578125 224.25)']],
            [250, 'path.yerror', 'attr', 'd', ['M266,99h8m-4,0V137m-4,0h8', 'M176,109h8m-4,0V156m-4,0h8', 'M356,194h8m-4,0V223m-4,0h8']],

            [500, '.point path', 'datum', 'id', ['A', 'B', 'C']],
            [500, '.point path', 'style', 'fill', ['rgb(0, 0, 255)', 'rgb(255, 0, 0)', 'rgb(0, 128, 0)']],
            [500, '.point path', 'attr', 'd', ['M378,270V194H522V270Z', 'M18,270V42H162V270Z', 'M198,270V223H342V270Z']],
            [500, 'text.bartext', 'attr', 'transform', ['translate(450 208)', 'translate(90 56)', 'translate(270 236.5)']],
            [500, 'path.yerror', 'attr', 'd', ['M446,185h8m-4,0V204m-4,0h8', 'M86,14h8m-4,0V71m-4,0h8', 'M266,204h8m-4,0V242m-4,0h8']]
        ];

        checkTransition(gd, _mock, nextFrame, transitionOpts, tests)
            .catch(failTest)
            .then(done);
    });

    it('blank vertical bars', function(done) {
        var mockCopy = {
            data: [{
                type: 'bar',
                x: ['A', 'B', 'C'],
                y: [null, 5, 3, 4],
                marker: {
                    line: {
                        width: 10
                    }
                }
            }],
            layout: {
                width: 400,
                height: 300
            }
        };

        var tests = [
            [0, '.point path', 'attr', 'd', ['M8,120V120H72V120Z', 'M88,120V6H152V120Z', 'M168,120V52H232V120Z']],
            [300, '.point path', 'attr', 'd', ['M8,120V52H72V120Z', 'M88,120V74H152V120Z', 'M168,120V65H232V120Z']],
            [600, '.point path', 'attr', 'd', ['M8,120V6H72V120Z', 'M88,120V120H152V120Z', 'M168,120V74H232V120Z']]
        ];
        var animateOpts = {data: [{y: [5, null, 2]}]};

        checkTransition(gd, mockCopy, animateOpts, transitionOpts, tests)
          .catch(failTest)
          .then(done);
    });

    it('blank horizontal bars', function(done) {
        var mockCopy = {
            data: [{
                type: 'bar',
                orientation: 'h',
                y: ['A', 'B', 'C'],
                x: [null, 5, 3],
                marker: {
                    line: {
                        width: 10
                    }
                }
            }],
            layout: {
                width: 400,
                height: 300
            }
        };

        var tests = [
            [0, '.point path', 'attr', 'd', ['M0,116V84H0V116Z', 'M0,76V44H228V76Z', 'M0,36V4H137V36Z']],
            [300, '.point path', 'attr', 'd', ['M0,116V84H137V116Z', 'M0,76V44H91V76Z', 'M0,36V4H109V36Z']],
            [600, '.point path', 'attr', 'd', ['M0,116V84H228V116Z', 'M0,76V44H0V76Z', 'M0,36V4H91V36Z']]
        ];
        var animateOpts = {data: [{x: [5, null, 2]}]};

        checkTransition(gd, mockCopy, animateOpts, transitionOpts, tests)
          .catch(failTest)
          .then(done);
    });

    it('handle NaN positions on vertical bars', function(done) {
        var y1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
        var y2 = [10, 9, 8, 7, 6, 5, 4, 3, 2, 1];
        var mockCopy = {
            data: [
                {
                    type: 'bar',
                    x: [
                        0,
                        1,
                        '',
                        'NaN',
                        NaN,
                        Infinity,
                        -Infinity,
                        undefined,
                        null,
                        9
                    ],
                    y: y1
                }
            ],
            layout: {
                width: 400,
                height: 300
            }
        };

        var tests = [
            [0, '.point path', 'attr', 'd', ['M2,120V109H22V120Z', 'M26,120V97H46V120Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M218,120V6H238V120Z']],
            [300, '.point path', 'attr', 'd', ['M2,120V47H22V120Z', 'M26,120V49H46V120Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M218,120V68H238V120Z']],
            [600, '.point path', 'attr', 'd', ['M2,120V6H22V120Z', 'M26,120V17H46V120Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M218,120V109H238V120Z']]
        ];
        var animateOpts = {data: [{y: y2}]};

        checkTransition(gd, mockCopy, animateOpts, transitionOpts, tests)
          .catch(failTest)
          .then(done);
    });

    it('handle NaN positions on horizontal bars', function(done) {
        var x1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
        var x2 = [10, 9, 8, 7, 6, 5, 4, 3, 2, 1];
        var mockCopy = {
            data: [
                {
                    type: 'bar',
                    orientation: 'h',
                    y: [
                        0,
                        1,
                        '',
                        'NaN',
                        NaN,
                        Infinity,
                        -Infinity,
                        undefined,
                        null,
                        9
                    ],
                    x: x1
                }
            ],
            layout: {
                width: 400,
                height: 300
            }
        };

        var tests = [
            [0, '.point path', 'attr', 'd', ['M0,119V109H23V119Z', 'M0,107V97H46V107Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,11V1H228V11Z']],
            [300, '.point path', 'attr', 'd', ['M0,119V109H146V119Z', 'M0,107V97H141V107Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,11V1H105V11Z']],
            [600, '.point path', 'attr', 'd', ['M0,119V109H228V119Z', 'M0,107V97H205V107Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,0Z', 'M0,11V1H23V11Z']]
        ];
        var animateOpts = {data: [{x: x2}]};

        checkTransition(gd, mockCopy, animateOpts, transitionOpts, tests)
          .catch(failTest)
          .then(done);
    });
});

describe('bar uniformtext', function() {
    'use strict';

    var gd;

    beforeEach(function() {
        gd = createGraphDiv();
    });

    afterEach(destroyGraphDiv);

    function assertTextSizes(msg, opts) {
        return function() {
            var selection = d3.selectAll(BAR_TEXT_SELECTOR);
            var size = selection.size();
            ['fontsizes', 'scales'].forEach(function(e) {
                expect(size).toBe(opts[e].length, 'length for ' + e + ' does not match with the number of elements');
            });

            selection.each(function(d, i) {
                var fontSize = this.style.fontSize;
                expect(fontSize).toBe(opts.fontsizes[i] + 'px', 'fontSize for element ' + i, msg);
            });

            for(var i = 0; i < selection[0].length; i++) {
                var transform = selection[0][i].getAttribute('transform');
                var pos0 = transform.indexOf('scale(');
                var scale = 1;
                if(pos0 !== -1) {
                    pos0 += 'scale('.length;
                    var pos1 = transform.indexOf(')', pos0);
                    scale = +(transform.substring(pos0, pos1));
                }

                expect(opts.scales[i]).toBeCloseTo(scale, 1, 'scale for element ' + i, msg);
            }
        };
    }

    it('should be able to react with new uniform text options', function(done) {
        var fig = {
            data: [{
                type: 'bar',
                orientation: 'h',
                x: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10],

                // no text element would be created for null and empty string
                text: [
                    'long lablel',
                    '$',
                    '=',
                    '|',
                    '.',
                    ' ',
                    '',
                    null,
                    '<br>',
                    0
                ],

                textinfo: 'text',
                textposition: 'inside',
                textangle: 0
            }],
            layout: {
                width: 500,
                height: 500
            }
        };

        Plotly.plot(gd, fig)
        .then(assertTextSizes('without uniformtext', {
            fontsizes: [12, 12, 12, 12, 12, 12, 12],
            scales: [0.48, 1, 1, 1, 1, 1, 1],
        }))
        .then(function() {
            fig.layout.uniformtext = {mode: 'hide'}; // default with minsize=0
            return Plotly.react(gd, fig);
        })
        .then(assertTextSizes('using mode: "hide"', {
            fontsizes: [12, 12, 12, 12, 12, 12, 12],
            scales: [0.48, 0.48, 0.48, 0.48, 0.48, 0.48, 0.48],
        }))
        .then(function() {
            fig.layout.uniformtext.minsize = 9; // set a minsize less than trace font size
            return Plotly.react(gd, fig);
        })
        .then(assertTextSizes('using minsize: 9', {
            fontsizes: [12, 12, 12, 12, 12, 12, 12],
            scales: [0, 1, 1, 1, 1, 1, 1],
        }))
        .then(function() {
            fig.layout.uniformtext.minsize = 32; // set a minsize greater than trace font size
            return Plotly.react(gd, fig);
        })
        .then(assertTextSizes('using minsize: 32', {
            fontsizes: [32, 32, 32, 32, 32, 32, 32],
            scales: [0, 0, 0, 0, 0, 0, 0],
        }))
        .then(function() {
            fig.layout.uniformtext.minsize = 14; // set a minsize greater than trace font size
            return Plotly.react(gd, fig);
        })
        .then(assertTextSizes('using minsize: 14', {
            fontsizes: [14, 14, 14, 14, 14, 14, 14],
            scales: [0, 1, 1, 1, 1, 1, 1],
        }))
        .then(function() {
            fig.layout.uniformtext.mode = 'show';
            return Plotly.react(gd, fig);
        })
        .then(assertTextSizes('using mode: "show"', {
            fontsizes: [14, 14, 14, 14, 14, 14, 14],
            scales: [1, 1, 1, 1, 1, 1, 1],
        }))
        .then(function() {
            fig.layout.uniformtext = undefined; // back to default
            return Plotly.react(gd, fig);
        })
        .then(assertTextSizes('clear uniformtext', {
            fontsizes: [12, 12, 12, 12, 12, 12, 12],
            scales: [0.48, 1, 1, 1, 1, 1, 1],
        }))
        .catch(failTest)
        .then(done);
    });
});