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This change makes state history track any state by moving the idea of buffering, playing, etc to the player. This allowed the stats and state history to drop they connection to the media element. Change-Id: Ieed198a09b3ade33e4ee850445b809f251cf2558
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| /** | ||
| * @license | ||
| * Copyright 2016 Google Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
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| describe('StateHistory', () => { | ||
| /** @type {!shaka.util.StateHistory} */ | ||
| let history; | ||
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| beforeAll(() => { | ||
| // Mock the clock so that the timing logic inside the state history will be | ||
| // controlled by the test and not the system. | ||
| jasmine.clock().install(); | ||
| jasmine.clock().mockDate(); | ||
| }); | ||
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| afterAll(() => { | ||
| jasmine.clock().uninstall(); | ||
| }); | ||
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| beforeEach(() => { | ||
| history = new shaka.util.StateHistory(); | ||
| }); | ||
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| // After a state change, the new state should have no duration. It must have | ||
| // an update after (regardless of state) to update the duration. | ||
| it('open entry have no duration', () => { | ||
| history.update('a'); | ||
| jasmine.clock().tick(5000); | ||
|
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| const entries = history.getCopy(); | ||
| expect(entries.length).toBe(1); | ||
| expect(entries[0].state).toBe('a'); | ||
| expect(entries[0].duration).toBe(0); | ||
| }); | ||
|
|
||
| // Updating while in the same state should only add duration to the previous | ||
| // entry. | ||
| it('accumulates time', () => { | ||
| history.update('a'); | ||
| jasmine.clock().tick(5000); | ||
| history.update('a'); | ||
|
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| const entries = history.getCopy(); | ||
| expect(entries.length).toBe(1); | ||
| expect(entries[0].state).toBe('a'); | ||
| expect(entries[0].duration).toBe(5); | ||
| }); | ||
|
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| it('state changes update duration of last entry', () => { | ||
| history.update('a'); | ||
| jasmine.clock().tick(5000); | ||
| history.update('b'); | ||
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| const entries = history.getCopy(); | ||
| expect(entries.length).toBe(2); | ||
| expect(entries[0].state).toBe('a'); | ||
| expect(entries[0].duration).toBe(5); | ||
| expect(entries[1].state).toBe('b'); | ||
| expect(entries[1].duration).toBe(0); | ||
| }); | ||
| }); |