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This is the archived documentation for Angular v17. Please visit angular.dev to see this page for the current version of Angular.

inject

Allows injecting dependencies in beforeEach() and it(). Note: this function (imported from the @angular/core/testing package) can only be used to inject dependencies in tests. To inject dependencies in your application code, use the inject function from the @angular/core package instead.

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      inject(tokens: any[], fn: Function): () => any
    
Parameters
tokens any[]
fn Function
Returns

() => any

Description

Example:

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

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