test(ivy): onAfterContentInit acceptance tests (#30445)
- Ports onAfterContentInit tests from render3 to acceptance tests PR Close #30445
This commit is contained in:
Ben Lesh
@ -810,3 +810,402 @@ describe('doCheck', () => {
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expect(doChecks).toEqual(['app', 'dir 1', 'dir 2']);
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});
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});
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describe('afterContentinit', () => {
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it('should be called only in creation mode', () => {
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let afterContentInitCalls = 0;
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@Component({
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selector: 'comp',
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template: `<p>test</p>`,
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})
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class Comp {
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ngAfterContentInit() { afterContentInitCalls++; }
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}
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@Component({template: `<comp></comp>`})
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class App {
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}
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TestBed.configureTestingModule({
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declarations: [App, Comp],
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});
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const fixture = TestBed.createComponent(App);
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fixture.detectChanges();
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// two updates
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fixture.detectChanges();
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fixture.detectChanges();
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expect(afterContentInitCalls).toBe(1);
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});
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it('should be called on root component in creation mode', () => {
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let afterContentInitCalls = 0;
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@Component({template: `<p>test</p>`})
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class App {
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ngAfterContentInit() { afterContentInitCalls++; }
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}
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TestBed.configureTestingModule({
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declarations: [App],
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});
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const fixture = TestBed.createComponent(App);
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fixture.detectChanges();
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// two updates
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fixture.detectChanges();
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fixture.detectChanges();
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expect(afterContentInitCalls).toBe(1);
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});
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it('should be called on every create ngIf', () => {
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const events: string[] = [];
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@Component({
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selector: 'comp',
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template: `<p>test</p>`,
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})
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class Comp {
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ngAfterContentInit() { events.push('comp afterContentInit'); }
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}
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@Component({template: `<comp *ngIf="show"></comp>`})
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class App {
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show = true;
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ngAfterContentInit() { events.push('app afterContentInit'); }
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}
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TestBed.configureTestingModule({
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declarations: [App, Comp],
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imports: [CommonModule],
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});
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const fixture = TestBed.createComponent(App);
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fixture.detectChanges();
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expect(events).toEqual(['app afterContentInit', 'comp afterContentInit']);
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fixture.componentInstance.show = false;
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fixture.detectChanges();
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expect(events).toEqual(['app afterContentInit', 'comp afterContentInit']);
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fixture.componentInstance.show = true;
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fixture.detectChanges();
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expect(events).toEqual(
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['app afterContentInit', 'comp afterContentInit', 'comp afterContentInit']);
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});
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it('should be called in parents before children', () => {
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const events: string[] = [];
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@Component({
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selector: 'parent',
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template: `<child [name]="name"></child>`,
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})
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class Parent {
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@Input()
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name = '';
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ngAfterContentInit() { events.push('parent ' + this.name); }
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}
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@Component({
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selector: 'child',
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template: `<p>test</p>`,
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})
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class Child {
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@Input()
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name = '';
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ngAfterContentInit() { events.push('child of parent ' + this.name); }
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}
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@Component({
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template: `
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<parent name="1"></parent>
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<parent name="2"></parent>
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`
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})
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class App {
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ngAfterContentInit() { events.push('app'); }
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}
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TestBed.configureTestingModule({
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declarations: [App, Parent, Child],
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});
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const fixture = TestBed.createComponent(App);
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fixture.detectChanges();
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expect(events).toEqual(
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['app', 'parent 1', 'parent 2', 'child of parent 1', 'child of parent 2']);
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});
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it('should be called in projected components before their hosts', () => {
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const events: string[] = [];
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@Component({
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selector: 'projected-child',
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template: `<p>test</p>`,
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})
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class ProjectedChild {
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@Input()
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name = '';
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ngAfterContentInit() { events.push('projected child ' + this.name); }
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}
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@Component({
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selector: 'comp',
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template: `<div><ng-content></ng-content></div>`,
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})
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class Comp {
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@Input()
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name = '';
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ngAfterContentInit() { events.push('comp ' + this.name); }
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}
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@Component({
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selector: 'projected',
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template: `<projected-child [name]=name></projected-child>`,
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})
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class Projected {
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@Input()
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name = '';
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ngAfterContentInit() { events.push('projected ' + this.name); }
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}
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@Component({
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template: `
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<comp name="1">
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<projected name="1"></projected>
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<projected name="2"></projected>
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</comp>
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<comp name="2">
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<projected name="3"></projected>
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<projected name="4"></projected>
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</comp>
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`
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})
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class App {
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ngAfterContentInit() { events.push('app'); }
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}
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TestBed.configureTestingModule({
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declarations: [App, Comp, Projected, ProjectedChild],
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});
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const fixture = TestBed.createComponent(App);
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fixture.detectChanges();
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expect(events).toEqual([
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// root
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'app',
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// projections of comp 1
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'projected 1',
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'projected 2',
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// comp 1
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'comp 1',
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// projections of comp 2
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'projected 3',
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'projected 4',
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// comp 2
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'comp 2',
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// children of projections
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'projected child 1',
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'projected child 2',
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'projected child 3',
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'projected child 4',
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]);
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});
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it('should be called in correct order in a for loop', () => {
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const events: string[] = [];
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@Component({
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selector: 'comp',
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template: `<p>test</p>`,
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})
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class Comp {
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@Input()
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name = '';
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ngAfterContentInit() { events.push('comp ' + this.name); }
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}
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@Component({
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template: `
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<comp name="4"></comp>
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<comp *ngFor="let number of numbers" [name]="number"></comp>
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<comp name="5"></comp>
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`
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})
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class App {
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numbers = [0, 1, 2, 3];
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ngAfterContentInit() { events.push('app'); }
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}
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TestBed.configureTestingModule({
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declarations: [App, Comp],
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imports: [CommonModule],
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});
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const fixture = TestBed.createComponent(App);
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fixture.detectChanges();
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expect(events).toEqual(['app', 'comp 0', 'comp 1', 'comp 2', 'comp 3', 'comp 4', 'comp 5']);
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});
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it('should be called in correct order in a for loop with children', () => {
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const events: string[] = [];
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@Component({
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selector: 'parent',
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template: `<child [name]=name></child>`,
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})
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class Parent {
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@Input()
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name = '';
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ngAfterContentInit() { events.push('parent ' + this.name); }
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}
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@Component({
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selector: 'child',
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template: `<p>test</p>`,
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})
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class Child {
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@Input()
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name = '';
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ngAfterContentInit() { events.push('child of parent ' + this.name); }
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}
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@Component({
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template: `
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<parent name="4"></parent>
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<parent *ngFor="let number of numbers" [name]="number"></parent>
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<parent name="5"></parent>
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`
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})
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class App {
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numbers = [0, 1, 2, 3];
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ngAfterContentInit() { events.push('app'); }
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}
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TestBed.configureTestingModule({
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declarations: [App, Parent, Child],
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});
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const fixture = TestBed.createComponent(App);
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fixture.detectChanges();
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expect(events).toEqual([
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// root
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'app',
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// 4 embedded views
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'parent 0',
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'child of parent 0',
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'parent 1',
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'child of parent 1',
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'parent 2',
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'child of parent 2',
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'parent 3',
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'child of parent 3',
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// root children
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'parent 4',
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'parent 5',
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// children of root children
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'child of parent 4',
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'child of parent 5',
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]);
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});
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it('should be called on directives after component', () => {
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const events: string[] = [];
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@Directive({
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selector: '[dir]',
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})
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class Dir {
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@Input('dir')
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name = '';
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ngAfterContentInit() { events.push('dir ' + this.name); }
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}
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@Component({
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selector: 'comp',
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template: `<p>test</p>`,
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})
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class Comp {
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@Input()
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name = '';
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ngAfterContentInit() { events.push('comp ' + this.name); }
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}
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@Component({
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template: `
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<comp name="1" dir="1"></comp>
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<comp name="2" dir="2"></comp>
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`
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})
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class App {
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ngAfterContentInit() { events.push('app'); }
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}
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TestBed.configureTestingModule({
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declarations: [App, Comp, Dir],
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});
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const fixture = TestBed.createComponent(App);
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fixture.detectChanges();
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expect(events).toEqual([
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'app',
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'comp 1',
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'dir 1',
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'comp 2',
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'dir 2',
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]);
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});
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});
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describe('afterContentChecked', () => {
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it('should be called every change detection run after afterContentInit', () => {
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const events: string[] = [];
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@Component({
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selector: 'comp',
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template: `<p>test</p>`,
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})
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class Comp {
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ngAfterContentInit() { events.push('comp afterContentInit'); }
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ngAfterContentChecked() { events.push('comp afterContentChecked'); }
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}
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@Component({template: `<comp></comp>`})
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class App {
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ngAfterContentInit() { events.push('app afterContentInit'); }
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ngAfterContentChecked() { events.push('app afterContentChecked'); }
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}
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TestBed.configureTestingModule({
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declarations: [App, Comp],
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});
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const fixture = TestBed.createComponent(App);
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fixture.detectChanges();
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expect(events).toEqual([
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'app afterContentInit',
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'app afterContentChecked',
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'comp afterContentInit',
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'comp afterContentChecked',
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]);
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});
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});
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