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inject

npm Package @angular/core
Module import { inject } from '@angular/core/testing';
Source core/testing/src/test_bed.ts 
      
      function inject(tokens: any[], fn: Function): () => any;

Description

Allows injecting dependencies in beforeEach() and it().

Example:

      
      beforeEach(inject([Dependency, AClass], (dep, object) => {
  // some code that uses `dep` and `object`
  // ...
}));

it('...', inject([AClass], (object) => {
  object.doSomething();
  expect(...);
})

Notes:

  • inject is currently a function because of some Traceur limitation the syntax should eventually becomes it('...', @Inject (object: AClass, async: AsyncTestCompleter) => { ... });