278 lines
11 KiB
TypeScript
278 lines
11 KiB
TypeScript
/**
|
|
* @license
|
|
* Copyright Google Inc. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
|
|
import {CommonModule} from '@angular/common';
|
|
import {NgComponentOutlet} from '@angular/common/src/directives/ng_component_outlet';
|
|
import {Compiler, Component, ComponentRef, Inject, InjectionToken, Injector, NO_ERRORS_SCHEMA, NgModule, NgModuleFactory, Optional, Provider, QueryList, ReflectiveInjector, TemplateRef, Type, ViewChild, ViewChildren, ViewContainerRef} from '@angular/core';
|
|
import {TestBed, async, fakeAsync} from '@angular/core/testing';
|
|
import {expect} from '@angular/platform-browser/testing/matchers';
|
|
|
|
export function main() {
|
|
describe('insert/remove', () => {
|
|
|
|
beforeEach(() => { TestBed.configureTestingModule({imports: [TestModule]}); });
|
|
|
|
it('should do nothing if component is null', async(() => {
|
|
const template = `<ng-template *ngComponentOutlet="currentComponent"></ng-template>`;
|
|
TestBed.overrideComponent(TestComponent, {set: {template: template}});
|
|
let fixture = TestBed.createComponent(TestComponent);
|
|
|
|
fixture.componentInstance.currentComponent = null;
|
|
fixture.detectChanges();
|
|
|
|
expect(fixture.nativeElement).toHaveText('');
|
|
}));
|
|
|
|
it('should insert content specified by a component', async(() => {
|
|
let fixture = TestBed.createComponent(TestComponent);
|
|
|
|
fixture.detectChanges();
|
|
expect(fixture.nativeElement).toHaveText('');
|
|
|
|
fixture.componentInstance.currentComponent = InjectedComponent;
|
|
|
|
fixture.detectChanges();
|
|
expect(fixture.nativeElement).toHaveText('foo');
|
|
}));
|
|
|
|
it('should emit a ComponentRef once a component was created', async(() => {
|
|
let fixture = TestBed.createComponent(TestComponent);
|
|
|
|
fixture.detectChanges();
|
|
expect(fixture.nativeElement).toHaveText('');
|
|
|
|
fixture.componentInstance.cmpRef = null;
|
|
fixture.componentInstance.currentComponent = InjectedComponent;
|
|
|
|
fixture.detectChanges();
|
|
expect(fixture.nativeElement).toHaveText('foo');
|
|
expect(fixture.componentInstance.cmpRef).toBeAnInstanceOf(ComponentRef);
|
|
expect(fixture.componentInstance.cmpRef.instance).toBeAnInstanceOf(InjectedComponent);
|
|
}));
|
|
|
|
|
|
it('should clear view if component becomes null', async(() => {
|
|
let fixture = TestBed.createComponent(TestComponent);
|
|
|
|
fixture.detectChanges();
|
|
expect(fixture.nativeElement).toHaveText('');
|
|
|
|
fixture.componentInstance.currentComponent = InjectedComponent;
|
|
|
|
fixture.detectChanges();
|
|
expect(fixture.nativeElement).toHaveText('foo');
|
|
|
|
fixture.componentInstance.currentComponent = null;
|
|
|
|
fixture.detectChanges();
|
|
expect(fixture.nativeElement).toHaveText('');
|
|
}));
|
|
|
|
|
|
it('should swap content if component changes', async(() => {
|
|
let fixture = TestBed.createComponent(TestComponent);
|
|
|
|
fixture.detectChanges();
|
|
expect(fixture.nativeElement).toHaveText('');
|
|
|
|
fixture.componentInstance.currentComponent = InjectedComponent;
|
|
|
|
fixture.detectChanges();
|
|
expect(fixture.nativeElement).toHaveText('foo');
|
|
|
|
fixture.componentInstance.currentComponent = InjectedComponentAgain;
|
|
|
|
fixture.detectChanges();
|
|
expect(fixture.nativeElement).toHaveText('bar');
|
|
}));
|
|
|
|
it('should use the injector, if one supplied', async(() => {
|
|
let fixture = TestBed.createComponent(TestComponent);
|
|
|
|
const uniqueValue = {};
|
|
fixture.componentInstance.currentComponent = InjectedComponent;
|
|
fixture.componentInstance.injector = ReflectiveInjector.resolveAndCreate(
|
|
[{provide: TEST_TOKEN, useValue: uniqueValue}], fixture.componentRef.injector);
|
|
|
|
fixture.detectChanges();
|
|
let cmpRef: ComponentRef<InjectedComponent> = fixture.componentInstance.cmpRef;
|
|
expect(cmpRef).toBeAnInstanceOf(ComponentRef);
|
|
expect(cmpRef.instance).toBeAnInstanceOf(InjectedComponent);
|
|
expect(cmpRef.instance.testToken).toBe(uniqueValue);
|
|
|
|
}));
|
|
|
|
it('should resolve a with injector', async(() => {
|
|
let fixture = TestBed.createComponent(TestComponent);
|
|
|
|
fixture.componentInstance.cmpRef = null;
|
|
fixture.componentInstance.currentComponent = InjectedComponent;
|
|
fixture.detectChanges();
|
|
let cmpRef: ComponentRef<InjectedComponent> = fixture.componentInstance.cmpRef;
|
|
expect(cmpRef).toBeAnInstanceOf(ComponentRef);
|
|
expect(cmpRef.instance).toBeAnInstanceOf(InjectedComponent);
|
|
expect(cmpRef.instance.testToken).toBeNull();
|
|
}));
|
|
|
|
it('should render projectable nodes, if supplied', async(() => {
|
|
const template = `<ng-template>projected foo</ng-template>${TEST_CMP_TEMPLATE}`;
|
|
TestBed.overrideComponent(TestComponent, {set: {template: template}})
|
|
.configureTestingModule({schemas: [NO_ERRORS_SCHEMA]});
|
|
|
|
TestBed
|
|
.overrideComponent(InjectedComponent, {set: {template: `<ng-content></ng-content>`}})
|
|
.configureTestingModule({schemas: [NO_ERRORS_SCHEMA]});
|
|
|
|
let fixture = TestBed.createComponent(TestComponent);
|
|
|
|
fixture.detectChanges();
|
|
expect(fixture.nativeElement).toHaveText('');
|
|
|
|
fixture.componentInstance.currentComponent = InjectedComponent;
|
|
fixture.componentInstance.projectables =
|
|
[fixture.componentInstance.vcRef
|
|
.createEmbeddedView(fixture.componentInstance.tplRefs.first)
|
|
.rootNodes];
|
|
|
|
|
|
fixture.detectChanges();
|
|
expect(fixture.nativeElement).toHaveText('projected foo');
|
|
}));
|
|
|
|
it('should resolve components from other modules, if supplied', async(() => {
|
|
const compiler = TestBed.get(Compiler) as Compiler;
|
|
let fixture = TestBed.createComponent(TestComponent);
|
|
|
|
fixture.detectChanges();
|
|
expect(fixture.nativeElement).toHaveText('');
|
|
|
|
fixture.componentInstance.module = compiler.compileModuleSync(TestModule2);
|
|
fixture.componentInstance.currentComponent = Module2InjectedComponent;
|
|
|
|
fixture.detectChanges();
|
|
expect(fixture.nativeElement).toHaveText('baz');
|
|
}));
|
|
|
|
it('should clean up moduleRef, if supplied', async(() => {
|
|
let destroyed = false;
|
|
const compiler = TestBed.get(Compiler) as Compiler;
|
|
const fixture = TestBed.createComponent(TestComponent);
|
|
fixture.componentInstance.module = compiler.compileModuleSync(TestModule2);
|
|
fixture.componentInstance.currentComponent = Module2InjectedComponent;
|
|
fixture.detectChanges();
|
|
|
|
const moduleRef = fixture.componentInstance.ngComponentOutlet['_moduleRef'];
|
|
spyOn(moduleRef, 'destroy').and.callThrough();
|
|
|
|
expect(moduleRef.destroy).not.toHaveBeenCalled();
|
|
fixture.destroy();
|
|
expect(moduleRef.destroy).toHaveBeenCalled();
|
|
}));
|
|
|
|
it('should not re-create moduleRef when it didn\'t actually change', async(() => {
|
|
const compiler = TestBed.get(Compiler) as Compiler;
|
|
const fixture = TestBed.createComponent(TestComponent);
|
|
fixture.componentInstance.module = compiler.compileModuleSync(TestModule2);
|
|
fixture.componentInstance.currentComponent = Module2InjectedComponent;
|
|
fixture.detectChanges();
|
|
|
|
expect(fixture.nativeElement).toHaveText('baz');
|
|
|
|
const moduleRef = fixture.componentInstance.ngComponentOutlet['_moduleRef'];
|
|
fixture.componentInstance.currentComponent = Module2InjectedComponent2;
|
|
fixture.detectChanges();
|
|
|
|
expect(fixture.nativeElement).toHaveText('baz2');
|
|
expect(moduleRef).toBe(fixture.componentInstance.ngComponentOutlet['_moduleRef']);
|
|
}));
|
|
|
|
it('should re-create moduleRef when changed', async(() => {
|
|
const compiler = TestBed.get(Compiler) as Compiler;
|
|
const fixture = TestBed.createComponent(TestComponent);
|
|
fixture.componentInstance.module = compiler.compileModuleSync(TestModule2);
|
|
fixture.componentInstance.currentComponent = Module2InjectedComponent;
|
|
fixture.detectChanges();
|
|
|
|
expect(fixture.nativeElement).toHaveText('baz');
|
|
|
|
fixture.componentInstance.module = compiler.compileModuleSync(TestModule3);
|
|
fixture.componentInstance.currentComponent = Module3InjectedComponent;
|
|
fixture.detectChanges();
|
|
|
|
expect(fixture.nativeElement).toHaveText('bat');
|
|
}));
|
|
});
|
|
}
|
|
|
|
const TEST_TOKEN = new InjectionToken('TestToken');
|
|
@Component({selector: 'injected-component', template: 'foo'})
|
|
class InjectedComponent {
|
|
constructor(@Optional() @Inject(TEST_TOKEN) public testToken: any) {}
|
|
}
|
|
|
|
|
|
@Component({selector: 'injected-component-again', template: 'bar'})
|
|
class InjectedComponentAgain {
|
|
}
|
|
|
|
const TEST_CMP_TEMPLATE =
|
|
`<ng-template *ngComponentOutlet="currentComponent; injector: injector; content: projectables; ngModuleFactory: module;"></ng-template>`;
|
|
@Component({selector: 'test-cmp', template: TEST_CMP_TEMPLATE})
|
|
class TestComponent {
|
|
currentComponent: Type<any>;
|
|
injector: Injector;
|
|
projectables: any[][];
|
|
module: NgModuleFactory<any>;
|
|
|
|
get cmpRef(): ComponentRef<any> { return this.ngComponentOutlet['_componentRef']; }
|
|
set cmpRef(value: ComponentRef<any>) { this.ngComponentOutlet['_componentRef'] = value; }
|
|
|
|
@ViewChildren(TemplateRef) tplRefs: QueryList<TemplateRef<any>>;
|
|
@ViewChild(NgComponentOutlet) ngComponentOutlet: NgComponentOutlet;
|
|
|
|
constructor(public vcRef: ViewContainerRef) {}
|
|
}
|
|
|
|
@NgModule({
|
|
imports: [CommonModule],
|
|
declarations: [TestComponent, InjectedComponent, InjectedComponentAgain],
|
|
exports: [TestComponent, InjectedComponent, InjectedComponentAgain],
|
|
entryComponents: [InjectedComponent, InjectedComponentAgain]
|
|
})
|
|
export class TestModule {
|
|
}
|
|
|
|
@Component({selector: 'mdoule-2-injected-component', template: 'baz'})
|
|
class Module2InjectedComponent {
|
|
}
|
|
|
|
@Component({selector: 'mdoule-2-injected-component-2', template: 'baz2'})
|
|
class Module2InjectedComponent2 {
|
|
}
|
|
|
|
@NgModule({
|
|
imports: [CommonModule],
|
|
declarations: [Module2InjectedComponent, Module2InjectedComponent2],
|
|
exports: [Module2InjectedComponent, Module2InjectedComponent2],
|
|
entryComponents: [Module2InjectedComponent, Module2InjectedComponent2]
|
|
})
|
|
export class TestModule2 {
|
|
}
|
|
|
|
@Component({selector: 'mdoule-3-injected-component', template: 'bat'})
|
|
class Module3InjectedComponent {
|
|
}
|
|
|
|
@NgModule({
|
|
imports: [CommonModule],
|
|
declarations: [Module3InjectedComponent],
|
|
exports: [Module3InjectedComponent],
|
|
entryComponents: [Module3InjectedComponent]
|
|
})
|
|
export class TestModule3 {
|
|
} |