sky/tests/mutation-observer/shadow-dom.html - Issue 685623002: Move the tests from .html to .sky

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Side by Side Diff: sky/tests/mutation-observer/shadow-dom.html

Issue 685623002: Move the tests from .html to .sky (Closed) Base URL: https://github.com/domokit/mojo.git@master

Patch Set: Created 6 years, 1 month ago

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1 <html>

2 <link rel="import" href="../resources/chai.html" />

3 <link rel="import" href="../resources/mocha.html" />

4 <div id="range"></div>

5 <script>

6 describe('MutationObservers', function() {

7 it('should handle shadow dom', function() {

8 function mutate(element) {

9 element.setAttribute('data-foo', 'bar');

10 element.insertBefore(document.createTextNode('hello'), element.firstChild) ;

11 element.firstChild.textContent = 'goodbye';

12 element.removeChild(element.firstChild);

13 }

14

15 var range = document.getElementById('range');

16 var shadowRoot = range.createShadowRoot();

17 shadowRoot.appendChild(document.createElement('div'));

18 var observer = new MutationObserver(function() { });

19

20 observer.observe(shadowRoot.firstChild, {attributes: true, childList: true, characterData: true, subtree: true});

21 mutate(shadowRoot.firstChild);

22

23 var mutations = observer.takeRecords();

24 // Mutations in shadow DOM should have been observed:

25 assert.equal(mutations.length, 4);

26 assert.equal(mutations[0].type, "attributes");

27 assert.equal(mutations[1].type, "childList");

28 assert.equal(mutations[2].type, "characterData");

29 assert.equal(mutations[3].type, "childList");

30 observer.disconnect();

31

32 mutations = observer.takeRecords();

33 observer.observe(document, {attributes: true, childList: true, characterData : true, subtree: true});

34 mutate(shadowRoot.firstChild);

35 // Observing from outside shadow DOM should not see mutations in the shadow:

36 assert.equal(mutations.length, 0);

37 });

38 });

39 </script>

40 </html>

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