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Merged
crisbeto merged 1 commit into from
Apr 13, 2026
Merged

test(cdk/a11y): attempt to deflake tests #33073

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41 changes: 3 additions & 38 deletions src/cdk/a11y/key-manager/tree-key-manager.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -699,51 +699,16 @@ describe('TreeKeyManager', () => {

it('should debounce the input key presses', async () => {
keyManager.onKeydown(createKeyboardEvent('keydown', 79, 'o')); // types "o"
await wait(1);
await wait(50);
keyManager.onKeydown(createKeyboardEvent('keydown', 78, 'n')); // types "n"
await wait(1);
await wait(50);
keyManager.onKeydown(createKeyboardEvent('keydown', 69, 'e')); // types "e"

expect(keyManager.getActiveItemIndex())
.withContext('active item index, before debounce interval')
.not.toBe(0);

await wait(debounceInterval - 1);

expect(keyManager.getActiveItemIndex())
.withContext('active item index, after partial debounce interval')
.not.toBe(0);

await wait(100);

expect(keyManager.getActiveItemIndex())
.withContext('active item index, after full debounce interval')
.toBe(0);
});

it('uses a default debounce interval', async () => {
const defaultInterval = 200;
keyManager = new TreeKeyManager(itemList, {
typeAheadDebounceInterval: true,
});

keyManager.onKeydown(createKeyboardEvent('keydown', 79, 'o')); // types "o"
await wait(1);
keyManager.onKeydown(createKeyboardEvent('keydown', 78, 'n')); // types "n"
await wait(1);
keyManager.onKeydown(createKeyboardEvent('keydown', 69, 'e')); // types "e"

expect(keyManager.getActiveItemIndex())
.withContext('active item index, before debounce interval')
.not.toBe(0);

await wait(defaultInterval - 1);

expect(keyManager.getActiveItemIndex())
.withContext('active item index, after partial debounce interval')
.not.toBe(0);

await wait(100);
await wait(debounceInterval * 1.5);

expect(keyManager.getActiveItemIndex())
.withContext('active item index, after full debounce interval')
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