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feat(MockRender): supports Self providers #3053
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| import { | ||
| Component, | ||
| Directive, | ||
| Injectable, | ||
| Self, | ||
| VERSION, | ||
| } from '@angular/core'; | ||
|
|
||
| import { | ||
| MockBuilder, | ||
| MockProvider, | ||
| MockRender, | ||
| ngMocks, | ||
| } from 'ng-mocks'; | ||
|
|
||
| @Injectable() | ||
| class TargetService { | ||
| echo() { | ||
| return this.constructor.name; | ||
| } | ||
| } | ||
|
|
||
| @Directive({ | ||
| selector: 'target', | ||
| }) | ||
| class TargetDirective { | ||
| constructor(@Self() public service: TargetService) {} | ||
| } | ||
|
|
||
| @Component({ | ||
| selector: 'target', | ||
| template: ``, | ||
| }) | ||
| class TargetComponent { | ||
| constructor(@Self() public service: TargetService) {} | ||
| } | ||
|
|
||
| // @see https://github.com/help-me-mom/ng-mocks/issues/3053 | ||
| // MockRender should create a directive which provides the desired services on @Self level. | ||
| describe('issue-3053', () => { | ||
| describe('Directive:default', () => { | ||
| beforeEach(() => MockBuilder(TargetDirective, TargetService)); | ||
|
|
||
| it('throws because of missing service', () => { | ||
| expect(() => MockRender(TargetDirective)).toThrowError( | ||
| /No provider for TargetService|NOT_FOUND \[TargetService]/, | ||
| ); | ||
| }); | ||
| }); | ||
|
|
||
| describe('Directive:providers', () => { | ||
| beforeEach(() => MockBuilder(TargetDirective, TargetService)); | ||
|
|
||
| it('renders with self provider', () => { | ||
| expect(() => | ||
| MockRender(TargetDirective, null, { | ||
| providers: [MockProvider(TargetService)], | ||
| }), | ||
| ).not.toThrow(); | ||
|
|
||
| const target = ngMocks.findInstance(TargetDirective); | ||
| expect(target.service).toBeDefined(); | ||
| }); | ||
| }); | ||
|
|
||
| if (Number.parseInt(VERSION.major, 10) <= 12) { | ||
| // Before Angular 13, directives are injected after components. | ||
| // This breaks dependency tree, therefore we should skip those tests. | ||
| return; | ||
| } | ||
|
|
||
| describe('Component:default', () => { | ||
| beforeEach(() => MockBuilder(TargetComponent, TargetService)); | ||
|
|
||
| it('throws because of missing service', () => { | ||
| expect(() => MockRender(TargetComponent)).toThrowError( | ||
| /No provider for TargetService|NOT_FOUND \[TargetService]/, | ||
| ); | ||
| }); | ||
| }); | ||
|
|
||
| describe('Component:providers', () => { | ||
| beforeEach(() => MockBuilder(TargetComponent, TargetService)); | ||
|
|
||
| it('renders with self provider', () => { | ||
| expect(() => | ||
| MockRender(TargetComponent, null, { | ||
| providers: [MockProvider(TargetService)], | ||
| }), | ||
| ).not.toThrow(); | ||
|
|
||
| const target = ngMocks.findInstance(TargetComponent); | ||
| expect(target.service).toBeDefined(); | ||
| }); | ||
| }); | ||
| }); |