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| 1 | +/* global xit */ |
| 2 | +describe('dom.getComposedParent', function () { |
| 3 | + 'use strict'; |
| 4 | + var getComposedParent = axe.commons.dom.getComposedParent; |
| 5 | + var fixture = document.getElementById('fixture'); |
| 6 | + var shadowSupport = document.body && typeof document.body.attachShadow === 'function'; |
| 7 | + |
| 8 | + afterEach(function () { |
| 9 | + fixture.innerHTML = ''; |
| 10 | + }); |
| 11 | + |
| 12 | + it('returns the parentNode normally', function () { |
| 13 | + fixture.innerHTML = '<div id="parent"><div id="target"></div></div>'; |
| 14 | + |
| 15 | + var actual = getComposedParent(document.getElementById('target')); |
| 16 | + assert.instanceOf(actual, Node); |
| 17 | + assert.equal(actual, document.getElementById('parent')); |
| 18 | + }); |
| 19 | + |
| 20 | + it('returns null from the documentElement', function () { |
| 21 | + assert.isNull( |
| 22 | + getComposedParent(document.documentElement) |
| 23 | + ); |
| 24 | + }); |
| 25 | + |
| 26 | + (shadowSupport ? it : xit)('returns the slot node for slotted content', function () { |
| 27 | + fixture.innerHTML = '<div id="shadow"><div id="target"></div></div>'; |
| 28 | + var shadowRoot = document.getElementById('shadow').attachShadow({ mode: 'open' }); |
| 29 | + shadowRoot.innerHTML = '<div id="grand-parent">' + |
| 30 | + '<slot id="parent"></slot>' + |
| 31 | + '</div>'; |
| 32 | + |
| 33 | + var actual = getComposedParent(fixture.querySelector('#target')); |
| 34 | + assert.instanceOf(actual, Node); |
| 35 | + assert.equal(actual, shadowRoot.querySelector('#parent')); |
| 36 | + }); |
| 37 | + |
| 38 | + (shadowSupport ? it : xit)('returns explicitly slotted nodes', function () { |
| 39 | + fixture.innerHTML = '<div id="shadow"><div id="target" slot="bar"></div></div>'; |
| 40 | + var shadowRoot = document.getElementById('shadow').attachShadow({ mode: 'open' }); |
| 41 | + shadowRoot.innerHTML = '<div id="grand-parent">' + |
| 42 | + '<slot name="foo"></slot>' + |
| 43 | + '<slot id="parent" name="bar"></slot>' + |
| 44 | + '</div>'; |
| 45 | + |
| 46 | + var actual = getComposedParent(fixture.querySelector('#target')); |
| 47 | + assert.instanceOf(actual, Node); |
| 48 | + assert.equal(actual, shadowRoot.querySelector('#parent')); |
| 49 | + }); |
| 50 | + |
| 51 | + (shadowSupport ? it : xit)('returns elements within a shadow tree', function () { |
| 52 | + fixture.innerHTML = '<div id="shadow"> content </div>'; |
| 53 | + var shadowRoot = document.getElementById('shadow').attachShadow({ mode: 'open' }); |
| 54 | + shadowRoot.innerHTML = '<div id="parent">' + |
| 55 | + '<slot id="target"></slot>' + |
| 56 | + '</div>'; |
| 57 | + |
| 58 | + var actual = getComposedParent(shadowRoot.querySelector('#target')); |
| 59 | + assert.instanceOf(actual, Node); |
| 60 | + assert.equal(actual, shadowRoot.querySelector('#parent')); |
| 61 | + }); |
| 62 | + |
| 63 | + (shadowSupport ? it : xit)('returns the host when it reaches the shadow root', function () { |
| 64 | + fixture.innerHTML = '<div id="parent"> content </div>'; |
| 65 | + var shadowRoot = document.getElementById('parent').attachShadow({ mode: 'open' }); |
| 66 | + shadowRoot.innerHTML = '<div id="target"> <slot></slot> </div>'; |
| 67 | + |
| 68 | + var actual = getComposedParent(shadowRoot.querySelector('#target')); |
| 69 | + assert.instanceOf(actual, Node); |
| 70 | + assert.equal(actual, fixture.querySelector('#parent')); |
| 71 | + }); |
| 72 | +}); |
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