header-test.js

// __tests__/header-test.js

jest.dontMock('../components/header.jsx');
jest.dontMock('../../../test-utils/stubRouterContext.jsx');

var React = require('react/addons');
var Header = require('../components/header.jsx');

var StubRouterContext = require('../../../test-utils/stubRouterContext.jsx');

var TestUtils = React.addons.TestUtils;

describe('header', function () {

    it('displays two nav items with right text content', function () {

        var HeaderWithRouterContext = StubRouterContext(Header),
            header = TestUtils.renderIntoDocument(<HeaderWithRouterContext />),
            renderedItems = TestUtils.scryRenderedDOMComponentsWithTag(header, 'a'),
            itemCount = renderedItems.length;

        expect(itemCount).toBe(2);

        expect(React.findDOMNode(renderedItems[0]).textContent).toEqual('Home');
        expect(React.findDOMNode(renderedItems[1]).textContent).toEqual('Info');
    });

});