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sankey_test.js
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var Plotly = require('@lib/index');
var attributes = require('@src/traces/sankey/attributes');
var Lib = require('@src/lib');
var d3 = require('d3');
var d3sankey = require('@plotly/d3-sankey');
var d3SankeyCircular = require('d3-sankey-circular');
var mock = require('@mocks/sankey_energy.json');
var mockDark = require('@mocks/sankey_energy_dark.json');
var mockCircular = require('@mocks/sankey_circular.json');
var mockCircularLarge = require('@mocks/sankey_circular_large.json');
var mockXY = require('@mocks/sankey_x_y.json');
var Sankey = require('@src/traces/sankey');
var Registry = require('@src/registry');
var createGraphDiv = require('../assets/create_graph_div');
var destroyGraphDiv = require('../assets/destroy_graph_div');
var failTest = require('../assets/fail_test');
var mouseEvent = require('../assets/mouse_event');
var getNodeCoords = require('../assets/get_node_coords');
var assertHoverLabelContent = require('../assets/custom_assertions').assertHoverLabelContent;
var assertHoverLabelStyle = require('../assets/custom_assertions').assertHoverLabelStyle;
var supplyAllDefaults = require('../assets/supply_defaults');
var defaultColors = require('@src/components/color/attributes').defaults;
var drag = require('../assets/drag');
var checkOverlap = require('../assets/check_overlap');
var delay = require('../assets/delay');
var selectButton = require('../assets/modebar_button');
describe('sankey tests', function() {
'use strict';
function _supply(traceIn) {
var traceOut = { visible: true };
var defaultColor = '#444';
var layout = { colorway: defaultColors };
Sankey.supplyDefaults(traceIn, traceOut, defaultColor, layout);
return traceOut;
}
function _supplyWithLayout(traceIn, layout) {
var traceOut = { visible: true };
var defaultColor = '#444';
Sankey.supplyDefaults(traceIn, traceOut, defaultColor, Lib.extendFlat({colorway: defaultColors}, layout));
return traceOut;
}
describe('don\'t remove nodes if encountering no circularity', function() {
it('removing a single self-pointing node', function() {
var fullTrace = _supply({
node: {
label: ['a', 'b']
},
link: {
value: [1],
source: [1],
target: [0]
}
});
expect(fullTrace.node.label).toEqual(['a', 'b'], 'node labels retained');
expect(fullTrace.link.value).toEqual([1], 'link value(s) retained');
expect(fullTrace.link.source).toEqual([1], 'link source(s) retained');
expect(fullTrace.link.target).toEqual([0], 'link target(s) retained');
});
});
describe('No warnings for missing nodes', function() {
// we used to warn when some nodes were not used in the links
// not doing that anymore, it's not really consistent with
// the rest of our data processing.
it('some nodes are not linked', function() {
var warnings = [];
spyOn(Lib, 'warn').and.callFake(function(msg) {
warnings.push(msg);
});
_supply({
node: {
label: ['a', 'b', 'c']
},
link: {
value: [1],
source: [0],
target: [1]
}
});
expect(warnings.length).toEqual(0);
});
});
describe('sankey global defaults', function() {
it('should not coerce trace opacity', function() {
var gd = Lib.extendDeep({}, mock);
supplyAllDefaults(gd);
expect(gd._fullData[0].opacity).toBeUndefined();
});
});
describe('sankey defaults', function() {
it('\'Sankey\' specification should have proper arrays where mandatory',
function() {
var fullTrace = _supply({});
expect(fullTrace.node.label)
.toEqual([], 'presence of node label array is guaranteed');
expect(fullTrace.link.value)
.toEqual([], 'presence of link value array is guaranteed');
expect(fullTrace.link.source)
.toEqual([], 'presence of link source array is guaranteed');
expect(fullTrace.link.target)
.toEqual([], 'presence of link target array is guaranteed');
expect(fullTrace.link.label)
.toEqual([], 'presence of link target array is guaranteed');
expect(fullTrace.link.colorscales)
.toEqual([], 'presence of link colorscales array is guaranteed');
});
it('\'Sankey\' specification should have proper types',
function() {
var fullTrace = _supply({});
expect(fullTrace.orientation)
.toEqual(attributes.orientation.dflt, 'use orientation by default');
expect(fullTrace.valueformat)
.toEqual(attributes.valueformat.dflt, 'valueformat by default');
expect(fullTrace.valuesuffix)
.toEqual(attributes.valuesuffix.dflt, 'valuesuffix by default');
expect(fullTrace.arrangement)
.toEqual(attributes.arrangement.dflt, 'arrangement by default');
expect(fullTrace.domain.x)
.toEqual(attributes.domain.x.dflt, 'x domain by default');
expect(fullTrace.domain.y)
.toEqual(attributes.domain.y.dflt, 'y domain by default');
});
it('\'Sankey\' layout dependent specification should have proper types',
function() {
var fullTrace = _supplyWithLayout({}, {font: {family: 'Arial'}});
expect(fullTrace.textfont)
.toEqual({family: 'Arial'}, 'textfont is defined');
});
it('\'line\' specifications should yield the default values',
function() {
var fullTrace = _supply({});
expect(fullTrace.node.line.color)
.toEqual('#444', 'default node line color');
expect(fullTrace.node.line.width)
.toEqual(0.5, 'default node line thickness');
expect(fullTrace.link.line.color)
.toEqual('#444', 'default link line color');
expect(fullTrace.link.line.width)
.toEqual(0, 'default link line thickness');
});
it('fills \'node\' colors if not specified', function() {
var fullTrace = _supply({
node: {
label: ['a', 'b']
},
link: {
source: [0],
target: [1],
value: [1]
}
});
expect(Array.isArray(fullTrace.node.color)).toBe(true, 'set up color array');
expect(fullTrace.node.color).toEqual(['rgba(31, 119, 180, 0.8)', 'rgba(255, 127, 14, 0.8)']);
});
it('respects layout.colorway', function() {
var fullTrace = _supplyWithLayout({
node: {
label: ['a', 'b']
},
link: {
source: [0],
target: [1],
value: [1]
}
}, {colorway: ['rgb(255, 0, 0)', 'rgb(0, 0, 255)']});
expect(Array.isArray(fullTrace.node.color)).toBe(true, 'set up color array');
expect(fullTrace.node.color).toEqual(['rgba(255, 0, 0, 0.8)', 'rgba(0, 0, 255, 0.8)']);
});
it('does not fill \'link\' labels even if not specified', function() {
var fullTrace = _supply({
node: {
label: ['a', 'b']
},
link: {
source: [0, 1],
target: [1, 0],
value: [1, 2]
}
});
expect(Array.isArray(fullTrace.link.label)).toBe(true, 'must be an array');
expect(fullTrace.link.label).toEqual([], 'an array of empty strings');
});
it('preserves \'link\' labels if specified', function() {
var fullTrace = _supply({
node: {
label: ['a', 'b']
},
link: {
source: [0, 1],
target: [1, 0],
value: [1, 2],
label: ['a', 'b']
}
});
expect(Array.isArray(fullTrace.link.label)).toBe(true, 'must be an array');
expect(fullTrace.link.label).toEqual(['a', 'b'], 'an array of the supplied values');
});
it('defaults to `snap` arrangement', function() {
var fullTrace = _supply({
link: {
source: [0],
target: [1],
value: [1]
}
});
expect(fullTrace.arrangement).toBe('snap');
});
it('defaults to `freeform` arrangement if node.(x|y) is specified', function() {
var fullTrace = _supply({
node: {
x: [0, 0.5],
y: [0, 0.5]
},
link: {
source: [0],
target: [1],
value: [1]
}
});
expect(fullTrace.arrangement).toBe('freeform');
});
});
describe('sankey calc', function() {
function _calc(trace) {
var gd = { data: [trace] };
supplyAllDefaults(gd);
var fullTrace = gd._fullData[0];
return Sankey.calc(gd, fullTrace);
}
var base = { type: 'sankey' };
it('detects circularity', function() {
var calcData = _calc(Lib.extendDeep({}, base, {
node: {
label: ['a', 'b', 'c', 'd', 'e']
},
link: {
value: [1, 1, 1, 1],
source: [0, 1, 2, 3],
target: [1, 2, 0, 4]
}
}));
expect(calcData[0].circular).toBeTruthy();
});
it('detects the absence of circularity', function() {
var calcData = _calc(Lib.extendDeep({}, base, {
node: {
label: ['a', 'b', 'c', 'd', 'e']
},
link: {
value: [1, 1, 1, 1],
source: [0, 1, 2, 3],
target: [1, 2, 4, 4]
}
}));
expect(calcData[0].circular).toBe(false);
});
it('keep an index of groups', function() {
var calcData = _calc(Lib.extendDeep({}, base, {
node: {
label: ['a', 'b', 'c', 'd', 'e'],
groups: [[0, 1], [2, 3]]
},
link: {
value: [1, 1, 1, 1],
source: [0, 1, 2, 3],
target: [1, 2, 4, 4]
}
}));
var groups = calcData[0]._nodes.filter(function(node) {
return node.group;
});
expect(groups.length).toBe(2);
expect(calcData[0].circular).toBe(false);
});
it('emits a warning if a node is part of more than one group', function() {
var warnings = [];
spyOn(Lib, 'warn').and.callFake(function(msg) {
warnings.push(msg);
});
var calcData = _calc(Lib.extendDeep({}, base, {
node: {
label: ['a', 'b', 'c', 'd', 'e'],
groups: [[0, 1], [1, 2, 3]]
},
link: {
value: [1, 1, 1, 1],
source: [0, 1, 2, 3],
target: [1, 2, 4, 4]
}
}));
expect(warnings.length).toBe(1);
// Expect node '1' to be in the first group
expect(calcData[0]._groupLookup[1]).toBe(5);
});
});
describe('lifecycle methods', function() {
var gd;
beforeEach(function() {
gd = createGraphDiv();
});
afterEach(destroyGraphDiv);
it('Plotly.deleteTraces with two traces removes the deleted plot', function(done) {
var mockCopy = Lib.extendDeep({}, mock);
var mockCopy2 = Lib.extendDeep({}, mockDark);
Plotly.plot(gd, mockCopy)
.then(function() {
expect(gd.data.length).toEqual(1);
expect(d3.selectAll('.sankey').size()).toEqual(1);
return Plotly.addTraces(gd, mockCopy2.data[0]);
})
.then(function() {
expect(gd.data.length).toEqual(2);
expect(d3.selectAll('.sankey').size()).toEqual(2);
return Plotly.deleteTraces(gd, [0]);
})
.then(function() {
expect(gd.data.length).toEqual(1);
expect(d3.selectAll('.sankey').size()).toEqual(1);
return Plotly.deleteTraces(gd, 0);
})
.then(function() {
expect(gd.data.length).toEqual(0);
expect(d3.selectAll('.sankey').size()).toEqual(0);
done();
});
});
it('Plotly.deleteTraces removes draggers', function(done) {
var mockCopy = Lib.extendDeep({}, mock);
Plotly.plot(gd, mockCopy)
.then(function() {
expect(document.getElementsByClassName('bgsankey').length).toBe(1);
return Plotly.deleteTraces(gd, [0]);
})
.then(function() {
expect(document.getElementsByClassName('bgsankey').length).toBe(0);
})
.catch(failTest)
.then(done);
});
it('Plotly.plot does not show Sankey if \'visible\' is false', function(done) {
var mockCopy = Lib.extendDeep({}, mock);
Plotly.plot(gd, mockCopy)
.then(function() {
expect(gd.data.length).toEqual(1);
expect(d3.selectAll('.sankey').size()).toEqual(1);
return Plotly.restyle(gd, 'visible', false);
})
.then(function() {
expect(gd.data.length).toEqual(1);
expect(d3.selectAll('.sankey').size()).toEqual(0);
return Plotly.restyle(gd, 'visible', true);
})
.then(function() {
expect(gd.data.length).toEqual(1);
expect(d3.selectAll('.sankey').size()).toEqual(1);
done();
});
});
it('\'node\' remains visible even if \'value\' is very low', function(done) {
var minimock = [{
type: 'sankey',
node: {
label: ['a', 'b1', 'b2']
},
link: {
source: [0, 0],
target: [1, 2],
value: [1000000, 0.001]
}
}];
Plotly.plot(gd, minimock)
.then(function() {
expect(d3.selectAll('.sankey .node-rect')[0].reduce(function(prevMin, rect) {
return Math.min(prevMin, d3.select(rect).attr('height'));
}, Infinity)).toEqual(0.5);
done();
});
});
it('switch from normal to circular Sankey on react', function(done) {
var mockCopy = Lib.extendDeep({}, mock);
var mockCircularCopy = Lib.extendDeep({}, mockCircular);
Plotly.plot(gd, mockCopy)
.then(function() {
expect(gd.calcdata[0][0].circular).toBe(false);
return Plotly.react(gd, mockCircularCopy);
})
.then(function() {
expect(gd.calcdata[0][0].circular).toBe(true);
done();
});
});
it('switch from circular to normal Sankey on react', function(done) {
var mockCircularCopy = Lib.extendDeep({}, mockCircular);
Plotly.plot(gd, mockCircularCopy)
.then(function() {
expect(gd.calcdata[0][0].circular).toBe(true);
// Remove circular links
var source = mockCircularCopy.data[0].link.source;
source.splice(6, 1);
source.splice(4, 1);
var target = mockCircularCopy.data[0].link.target;
target.splice(6, 1);
target.splice(4, 1);
return Plotly.react(gd, mockCircularCopy);
})
.then(function() {
expect(gd.calcdata[0][0].circular).toBe(false);
done();
});
});
it('can create groups, restyle groups and properly update DOM', function(done) {
var mockCircularCopy = Lib.extendDeep({}, mockCircular);
var firstGroup = [[2, 3], [0, 1]];
var newGroup = [[2, 3]];
mockCircularCopy.data[0].node.groups = firstGroup;
Plotly.plot(gd, mockCircularCopy)
.then(function() {
expect(gd._fullData[0].node.groups).toEqual(firstGroup);
return Plotly.restyle(gd, {'node.groups': [newGroup]});
})
.then(function() {
expect(gd._fullData[0].node.groups).toEqual(newGroup);
// Check that all links have updated their links
d3.selectAll('.sankey .sankey-link').each(function(d, i) {
var path = this.getAttribute('d');
expect(path).toBe(d.linkPath()(d), 'link ' + i + ' has wrong `d` attribute');
});
// Check that ghost nodes used for animations:
// 1) are drawn first so they apear behind
var seeRealNode = false;
var sankeyNodes = d3.selectAll('.sankey .sankey-node');
sankeyNodes.each(function(d, i) {
if(d.partOfGroup) {
if(seeRealNode) fail('node ' + i + ' is a ghost node and should be behind');
} else {
seeRealNode = true;
}
});
// 2) have an element for each grouped node
var L = sankeyNodes.filter(function(d) { return d.partOfGroup;}).size();
expect(L).toBe(newGroup.flat().length, 'does not have the right number of ghost nodes');
})
.catch(failTest)
.then(done);
});
it('switches from normal to circular Sankey on grouping', function(done) {
var mockCopy = Lib.extendDeep({}, mock);
Plotly.plot(gd, mockCopy)
.then(function() {
expect(gd.calcdata[0][0].circular).toBe(false);
// Group two nodes that creates a circularity
return Plotly.restyle(gd, 'node.groups', [[[1, 3]]]);
})
.then(function() {
expect(gd.calcdata[0][0].circular).toBe(true);
// Group two nodes that do not create a circularity
return Plotly.restyle(gd, 'node.groups', [[[1, 4]]]);
})
.then(function() {
expect(gd.calcdata[0][0].circular).toBe(false);
done();
});
});
it('prevents nodes from overlapping in snap arrangement', function(done) {
function checkElementOverlap(i, j) {
var base = document.querySelector('.sankey-node:nth-of-type(' + i + ')');
base = base.querySelector('.node-rect');
var compare = document.querySelector('.sankey-node:nth-of-type(' + j + ')');
compare = compare.querySelector('.node-rect');
return checkOverlap(base, compare);
}
var mockCopy = Lib.extendDeep({}, mockXY);
Plotly.plot(gd, mockCopy)
.then(function() {
// Nodes overlap
expect(checkElementOverlap(3, 6)).toBeTruthy('nodes do not overlap');
mockCopy.data[0].arrangement = 'snap';
return Plotly.newPlot(gd, mockCopy);
})
.then(function() {
// Nodes do not overlap in snap
expect(checkElementOverlap(3, 6)).not.toBeTruthy('nodes overlap');
})
.catch(failTest)
.then(done);
});
it('resets each subplot to its initial view (ie. x, y groups) via modebar button', function(done) {
var mockCopy = Lib.extendDeep({}, require('@mocks/sankey_subplots_circular'));
// Set initial view
mockCopy.data[0].node.x = [0.25];
mockCopy.data[0].node.y = [0.25];
mockCopy.data[0].node.groups = [];
mockCopy.data[1].node.groups = [[2, 3]];
Plotly.plot(gd, mockCopy)
.then(function() {
expect(gd._fullData[0].node.groups).toEqual([]);
expect(gd._fullData[1].node.groups).toEqual([[2, 3]]);
// Change groups
return Plotly.restyle(gd, {
'node.groups': [[[1, 2]], [[]]],
'node.x': [[0.1]],
'node.y': [[0.1]]
});
})
.then(function() {
// Check current state
expect(gd._fullData[0].node.x).toEqual([0.1]);
expect(gd._fullData[0].node.y).toEqual([0.1]);
expect(gd._fullData[0].node.groups).toEqual([[1, 2]]);
expect(gd._fullData[1].node.groups).toEqual([[]]);
// Click reset
var resetButton = selectButton(gd._fullLayout._modeBar, 'resetViewSankey');
resetButton.click();
})
.then(function() {
// Check we are back to initial view
expect(gd._fullData[0].node.x).toEqual([0.25]);
expect(gd._fullData[0].node.y).toEqual([0.25]);
expect(gd._fullData[0].node.groups).toEqual([]);
expect(gd._fullData[1].node.groups).toEqual([[2, 3]]);
})
.catch(failTest)
.then(done);
});
it('works as a subplot in the presence of other trace types', function(done) {
var mockCopy = Lib.extendDeep({}, require('@mocks/sankey_subplots_circular'));
mockCopy.data[0] = {
y: [5, 1, 4, 3, 2]
};
Plotly.plot(gd, mockCopy)
.catch(failTest)
.then(done);
});
['0', '1'].forEach(function(finalUIRevision) {
it('on Plotly.react, it preserves the groups depending on layout.uirevision', function(done) {
var uirevisions = ['0', finalUIRevision];
var mockCopy = Lib.extendDeep({}, mockCircular);
mockCopy.layout.uirevision = uirevisions[0];
Plotly.plot(gd, mockCopy)
.then(function() {
// Create a group via guiRestyle
return Registry.call('_guiRestyle', gd, 'node.groups', [[[0, 1]]]);
})
.then(function() {
// Check that the nodes are grouped
expect(gd._fullData[0].node.groups).toEqual([[0, 1]]);
// Change color of nodes
mockCopy = Lib.extendDeep({}, mockCircular);
mockCopy.data[0].node.color = 'orange';
mockCopy.layout.uirevision = uirevisions[1];
return Plotly.react(gd, mockCopy);
})
.then(function() {
if(uirevisions[0] === uirevisions[1]) {
// If uirevision is the same, the groups should stay the same
expect(gd._fullData[0].node.groups).toEqual(
[[0, 1]],
'should stay the same because uirevision did not change'
);
} else {
// If uirevision changed, the groups should be empty as in the figure obj
expect(gd._fullData[0].node.groups).toEqual(
[],
'should go back to its default because uirevision changed'
);
}
})
.catch(failTest)
.then(done);
});
});
});
describe('Test hover/click interactions:', function() {
afterEach(destroyGraphDiv);
function _hover(px, py) {
mouseEvent('mousemove', px, py);
mouseEvent('mouseover', px, py);
Lib.clearThrottle();
}
var node = [404, 302];
var link = [450, 300];
it('should show the correct hover labels', function(done) {
var gd = createGraphDiv();
var mockCopy = Lib.extendDeep({}, mock);
Plotly.plot(gd, mockCopy).then(function() {
_hover(404, 302);
assertLabel(
['Solid', 'incoming flow count: 4', 'outgoing flow count: 3', '447TWh'],
['rgb(148, 103, 189)', 'rgb(255, 255, 255)', 13, 'Arial', 'rgb(255, 255, 255)']
);
})
.then(function() {
_hover(450, 300);
assertLabel(
['source: Solid', 'target: Industry', '46TWh'],
['rgb(0, 0, 96)', 'rgb(255, 255, 255)', 13, 'Arial', 'rgb(255, 255, 255)']
);
})
// Test layout.hoverlabel
.then(function() {
return Plotly.relayout(gd, 'hoverlabel.font.family', 'Roboto');
})
.then(function() {
_hover(404, 302);
assertLabel(
['Solid', 'incoming flow count: 4', 'outgoing flow count: 3', '447TWh'],
['rgb(148, 103, 189)', 'rgb(255, 255, 255)', 13, 'Roboto', 'rgb(255, 255, 255)']
);
})
.then(function() {
_hover(450, 300);
assertLabel(
['source: Solid', 'target: Industry', '46TWh'],
['rgb(0, 0, 96)', 'rgb(255, 255, 255)', 13, 'Roboto', 'rgb(255, 255, 255)']
);
})
// Test trace-level hoverlabel
.then(function() {
return Plotly.restyle(gd, {
'hoverlabel.bgcolor': 'blue',
'hoverlabel.bordercolor': 'red',
'hoverlabel.font.size': 22,
'hoverlabel.font.color': 'magenta'
});
})
.then(function() {
_hover(404, 302);
assertLabel(
['Solid', 'incoming flow count: 4', 'outgoing flow count: 3', '447TWh'],
['rgb(0, 0, 255)', 'rgb(255, 0, 0)', 22, 'Roboto', 'rgb(255, 0, 255)']
);
})
.then(function() {
_hover(450, 300);
assertLabel(
['source: Solid', 'target: Industry', '46TWh'],
['rgb(0, 0, 255)', 'rgb(255, 0, 0)', 22, 'Roboto', 'rgb(255, 0, 255)']
);
})
// Test (node|link).hoverlabel
.then(function() {
return Plotly.restyle(gd, {
'node.hoverlabel.bgcolor': 'red',
'node.hoverlabel.bordercolor': 'blue',
'node.hoverlabel.font.size': 20,
'node.hoverlabel.font.color': 'black',
'node.hoverlabel.font.family': 'Roboto',
'link.hoverlabel.bgcolor': 'yellow',
'link.hoverlabel.bordercolor': 'magenta',
'link.hoverlabel.font.size': 18,
'link.hoverlabel.font.color': 'green',
'link.hoverlabel.font.family': 'Roboto'
});
})
.then(function() {
_hover(404, 302);
assertLabel(
['Solid', 'incoming flow count: 4', 'outgoing flow count: 3', '447TWh'],
['rgb(255, 0, 0)', 'rgb(0, 0, 255)', 20, 'Roboto', 'rgb(0, 0, 0)']
);
})
.then(function() {
_hover(450, 300);
assertLabel(
['source: Solid', 'target: Industry', '46TWh'],
['rgb(255, 255, 0)', 'rgb(255, 0, 255)', 18, 'Roboto', 'rgb(0, 128, 0)']
);
})
.catch(failTest)
.then(done);
});
it('should show the correct hover labels when hovertemplate is specified', function(done) {
var gd = createGraphDiv();
var mockCopy = Lib.extendDeep({}, mock);
Plotly.plot(gd, mockCopy).then(function() {
_hover(404, 302);
assertLabel(
['Solid', 'incoming flow count: 4', 'outgoing flow count: 3', '447TWh'],
['rgb(148, 103, 189)', 'rgb(255, 255, 255)', 13, 'Arial', 'rgb(255, 255, 255)']
);
})
.then(function() {
_hover(450, 300);
assertLabel(
['source: Solid', 'target: Industry', '46TWh'],
['rgb(0, 0, 96)', 'rgb(255, 255, 255)', 13, 'Arial', 'rgb(255, 255, 255)']
);
})
// Test (node|link).hovertemplate
.then(function() {
return Plotly.restyle(gd, {
'node.hovertemplate': 'hovertemplate<br>%{value}<br>%{value:0.2f}<extra>%{fullData.name}</extra>',
'link.hovertemplate': 'hovertemplate<br>source: %{source.label}<br>target: %{target.label}<br>size: %{value:0.0f}TWh<extra>%{fullData.name}</extra>'
});
})
.then(function() {
_hover(404, 302);
assertLabel(
[ 'hovertemplate', '447TWh', '447.48', 'trace 0'],
['rgb(148, 103, 189)', 'rgb(255, 255, 255)', 13, 'Arial', 'rgb(255, 255, 255)']
);
})
.then(function() {
_hover(450, 300);
assertLabel(
['hovertemplate', 'source: Solid', 'target: Industry', 'size: 46TWh', 'trace 0'],
['rgb(0, 0, 96)', 'rgb(255, 255, 255)', 13, 'Arial', 'rgb(255, 255, 255)']
);
})
.catch(failTest)
.then(done);
});
it('should show the correct hover labels with the style provided in template', function(done) {
var gd = createGraphDiv();
var mockCopy = Lib.extendDeep({}, mock);
mockCopy.layout.template = {
data: {
sankey: [{
node: {
hoverlabel: {
bgcolor: 'red',
bordercolor: 'blue',
font: {
size: 20,
color: 'black',
family: 'Roboto'
}
}
},
link: {
hoverlabel: {
bgcolor: 'yellow',
bordercolor: 'magenta',
font: {
size: 18,
color: 'green',
family: 'Roboto'
}
}
}
}]
}
};
Plotly.plot(gd, mockCopy)
.then(function() {
_hover(404, 302);
assertLabel(
['Solid', 'incoming flow count: 4', 'outgoing flow count: 3', '447TWh'],
['rgb(255, 0, 0)', 'rgb(0, 0, 255)', 20, 'Roboto', 'rgb(0, 0, 0)']
);
})
.then(function() {
_hover(450, 300);
assertLabel(
['source: Solid', 'target: Industry', '46TWh'],
['rgb(255, 255, 0)', 'rgb(255, 0, 255)', 18, 'Roboto', 'rgb(0, 128, 0)']
);
})
.catch(failTest)
.then(done);
});
it('should show the correct hover labels even if there is no link.label supplied', function(done) {
var gd = createGraphDiv();
var mockCopy = Lib.extendDeep({}, mock);
delete mockCopy.data[0].link.label;
Plotly.plot(gd, mockCopy)
.then(function() {
_hover(450, 300);
assertLabel(
['source: Solid', 'target: Industry', '46TWh'],
['rgb(0, 0, 96)', 'rgb(255, 255, 255)', 13, 'Arial', 'rgb(255, 255, 255)']
);
})
.catch(failTest)
.then(done);
});
it('should show the multiple hover labels in a flow in hovermode `x`', function(done) {
var gd = createGraphDiv();
var mockCopy = Lib.extendDeep({}, mock);
Plotly.plot(gd, mockCopy).then(function() {
_hover(351, 202);
assertLabel(
['source: Nuclear', 'target: Thermal generation', '100TWh'],
['rgb(144, 238, 144)', 'rgb(68, 68, 68)', 13, 'Arial', 'rgb(68, 68, 68)']
);
var g = d3.selectAll('.hovertext');
expect(g.size()).toBe(1);
return Plotly.relayout(gd, 'hovermode', 'x');
})
.then(function() {
_hover(351, 202);
assertMultipleLabels(
[
['Old generation plant (made-up)', 'source: Nuclear', 'target: Thermal generation', '500TWh'],
['New generation plant (made-up)', 'source: Nuclear', 'target: Thermal generation', '140TWh'],
['source: Nuclear', 'target: Thermal generation', '100TWh'],
['source: Nuclear', 'target: Thermal generation', '100TWh']
],
[
['rgb(33, 102, 172)', 'rgb(255, 255, 255)', 13, 'Arial', 'rgb(255, 255, 255)'],
['rgb(178, 24, 43)', 'rgb(255, 255, 255)', 13, 'Arial', 'rgb(255, 255, 255)'],
['rgb(144, 238, 144)', 'rgb(68, 68, 68)', 13, 'Arial', 'rgb(68, 68, 68)'],
['rgb(218, 165, 32)', 'rgb(68, 68, 68)', 13, 'Arial', 'rgb(68, 68, 68)']
]
);
var g = d3.select('.hovertext:nth-child(3)');
var domRect = g.node().getBoundingClientRect();
expect((domRect.bottom + domRect.top) / 2).toBeCloseTo(203, 0, 'it should center the hoverlabel associated with hovered link');
})
.catch(failTest)
.then(done);
});
it('should not show any labels if hovermode is false', function(done) {
var gd = createGraphDiv();
var mockCopy = Lib.extendDeep({}, mock);
Plotly.plot(gd, mockCopy).then(function() {
return Plotly.relayout(gd, 'hovermode', false);
})
.then(function() {
_hover(node[0], node[1]);
assertNoLabel();
})
.then(function() {
_hover(link[0], link[1]);
assertNoLabel();
})
.catch(failTest)
.then(done);
});
['skip', 'none'].forEach(function(hoverinfoFlag) {
it('should not show node labels if node.hoverinfo is ' + hoverinfoFlag, function(done) {
var gd = createGraphDiv();
var mockCopy = Lib.extendDeep({}, mock);
Plotly.plot(gd, mockCopy).then(function() {
return Plotly.restyle(gd, 'node.hoverinfo', hoverinfoFlag);
})
.then(function() {
_hover(node[0], node[1]);
assertNoLabel();
})
.catch(failTest)
.then(done);
});
});
['skip', 'none'].forEach(function(hoverinfoFlag) {
it('should not show link labels if link.hoverinfo is ' + hoverinfoFlag, function(done) {
var gd = createGraphDiv();
var mockCopy = Lib.extendDeep({}, mock);
Plotly.plot(gd, mockCopy).then(function() {
return Plotly.restyle(gd, 'link.hoverinfo', hoverinfoFlag);
})
.then(function() {
_hover(link[0], link[1]);
assertNoLabel();
})
.catch(failTest)
.then(done);
});
});
['skip', 'none'].forEach(function(hoverinfoFlag) {
it('should not show labels if trace hoverinfo is ' + hoverinfoFlag + ' and (node|link).hoverinfo is undefined', function(done) {
var gd = createGraphDiv();
var mockCopy = Lib.extendDeep({}, mock);
Plotly.plot(gd, mockCopy).then(function() {
return Plotly.restyle(gd, 'hoverinfo', hoverinfoFlag);
})
.then(function() {