A practical guide to common pitfalls when testing Angular components using TestBed. Covers setting up a testing module for a component with service dependencies, mocking services with Jasmine's createSpyObj, handling the NG0304 'unknown element' error caused by child components, and using NO_ERRORS_SCHEMA vs. creating mock
Table of contents
Scenario Copy link Link copied!Basic Of Jasmine Copy link Link copied!What is Testbed Copy link Link copied!Testing The Component Copy link Link copied!Why Error: NG0304: 'app-player' is not a known element? Copy link Link copied!Working with Child Components Copy link Link copied!Test Render Child Components Copy link Link copied!Conclusion Copy link Link copied!Sort: