Testing against time in JavaScript applications
summary
Concrete patterns for testing time-dependent JavaScript: use ember-test-helpers and QUnit with async/await so visit/render helpers wait until Ember’s internal settle checks finish; replace real HTTP by owner.register mock service that returns resolved promises instead of network calls; assert UI after click only after the returned promise settles; freeze or travel dates with a time library (e.g. timecop) to avoid weekday-sensitive flakiness. Examples include Ember data model loading, simulated fetch responses, and avoiding fixed timeouts.
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chapters (6)
- 0:00Start
- 0:20Testing against time in JavaScript Applications
- 3:18Testing in Ember Apps 101
- 5:40Making Tests Wait Async Ops
- 13:55Writing your own waiting helper
- 20:55Timing in your tests matters
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