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fix(ivy): element injector on the host of a component should see viewProviders of that component (#27928) 

PR Close #27928
This commit is contained in:
Marc Laval 2019-01-04 15:38:40 +01:00 committed by Kara Erickson
parent 5d3dcfc6ad
commit fb7816fed4
3 changed files with 46 additions and 32 deletions
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2
packages/core/src/render3/di.ts
View File

@ -60,7 +60,7 @@ import {findComponentView, getParentInjectorIndex, getParentInjectorView, hasPar
*
* ```
*/
let includeViewProviders = false;
let includeViewProviders = true;
function setIncludeViewProviders(v: boolean): boolean {
const oldValue = includeViewProviders;

52
packages/core/test/linker/view_injector_integration_spec.ts
View File

@ -292,21 +292,19 @@ class TestComp {
expect(el.children[0].injector.get('injectable2')).toEqual('injectable1-injectable2');
});
fixmeIvy(
'FW-889: Element injector cannot access the viewProviders of the component to which it belongs')
.it('should instantiate viewProviders that have dependencies', () => {
TestBed.configureTestingModule({declarations: [SimpleComponent]});
const viewProviders = [
{provide: 'injectable1', useValue: 'injectable1'}, {
provide: 'injectable2',
useFactory: (val: any) => `${val}-injectable2`,
deps: ['injectable1']
}
];
TestBed.overrideComponent(SimpleComponent, {set: {viewProviders}});
const el = createComponent('<div simpleComponent></div>');
expect(el.children[0].injector.get('injectable2')).toEqual('injectable1-injectable2');
});
it('should instantiate viewProviders that have dependencies', () => {
TestBed.configureTestingModule({declarations: [SimpleComponent]});
const viewProviders = [
{provide: 'injectable1', useValue: 'injectable1'}, {
provide: 'injectable2',
useFactory: (val: any) => `${val}-injectable2`,
deps: ['injectable1']
}
];
TestBed.overrideComponent(SimpleComponent, {set: {viewProviders}});
const el = createComponent('<div simpleComponent></div>');
expect(el.children[0].injector.get('injectable2')).toEqual('injectable1-injectable2');
});
it('should instantiate components that depend on viewProviders providers', () => {
TestBed.configureTestingModule({declarations: [NeedsServiceComponent]});
@ -500,22 +498,20 @@ class TestComp {
expect(destroyed).toBe(true);
});
fixmeIvy(
'FW-889: Element injector cannot access the viewProviders of the component to which it belongs')
.it('should instantiate view providers lazily', () => {
let created = false;
TestBed.configureTestingModule({declarations: [SimpleComponent]});
TestBed.overrideComponent(
SimpleComponent,
{set: {viewProviders: [{provide: 'service', useFactory: () => created = true}]}});
const el = createComponent('<div simpleComponent></div>');
it('should instantiate view providers lazily', () => {
let created = false;
TestBed.configureTestingModule({declarations: [SimpleComponent]});
TestBed.overrideComponent(
SimpleComponent,
{set: {viewProviders: [{provide: 'service', useFactory: () => created = true}]}});
const el = createComponent('<div simpleComponent></div>');
expect(created).toBe(false);
expect(created).toBe(false);
el.children[0].injector.get('service');
el.children[0].injector.get('service');
expect(created).toBe(true);
});
expect(created).toBe(true);
});
it('should not instantiate other directives that depend on viewProviders providers (same element)',
() => {

24
packages/core/test/render3/providers_spec.ts
View File

@ -1188,7 +1188,11 @@ describe('providers', () => {
static ngInjectableDef = defineInjectable({factory: () => new SomeInj(inject(String))});
}
@Component({template: `<p></p>`, providers: [{provide: String, useValue: 'From my component'}]})
@Component({
template: `<p></p>`,
providers: [{provide: String, useValue: 'From my component'}],
viewProviders: [{provide: Number, useValue: 123}]
})
class MyComponent {
constructor() {}
@ -1204,7 +1208,9 @@ describe('providers', () => {
}
},
features: [
ProvidersFeature([{provide: String, useValue: 'From my component'}]),
ProvidersFeature(
[{provide: String, useValue: 'From my component'}],
[{provide: Number, useValue: 123}]),
],
});
}
@ -1237,12 +1243,24 @@ describe('providers', () => {
});
}
it('should work', () => {
it('should work from within the template', () => {
const fixture = new ComponentFixture(AppComponent);
expect(fixture.html).toEqual('<my-cmp><p></p></my-cmp>');
const p = fixture.hostElement.querySelector('p');
const injector = getInjector(p as any);
expect(injector.get(Number)).toEqual(123);
expect(injector.get(String)).toEqual('From my component');
expect(injector.get(Some).location).toEqual('From app component');
});
it('should work from the host of the component', () => {
const fixture = new ComponentFixture(AppComponent);
expect(fixture.html).toEqual('<my-cmp><p></p></my-cmp>');
const myCmp = fixture.hostElement.querySelector('my-cmp');
const injector = getInjector(myCmp as any);
expect(injector.get(Number)).toEqual(123);
expect(injector.get(String)).toEqual('From my component');
expect(injector.get(Some).location).toEqual('From app component');
});