私の問題は、私は私のテストで愚かな何かをしなければなりませんHow do I trigger a ngModel model update in an Angular 2 unit test?angular2ユニットテスト入力変化を検出していません
とまったく同じです。誰もが私が
コンポーネントを見下ろすよ、明らかな誤りを指摘してもらえ
@Component({
moduleId: module.id,
selector: 'od-tree',
templateUrl: 'tree.component.html',
styleUrls: ['tree.component.css'],
changeDetection: ChangeDetectionStrategy.OnPush
})
export class TreeComponent implements OnInit, OnChanges, AfterViewChecked {
@Input() allResources: { items: {} };
@Input() resourceGroups = { items: {} };
@Input() selectedNodes: ITree.SelectedNode[];
@Input() showIcons: boolean;
@Input() showCheckboxes: boolean;
@Input() omitAncillaryDBs: boolean;
@Output() selectNode = new EventEmitter<any>();
searchResource$ = new Subject<string>();
searchField = '';
tabs = [
{ title: TABS.ALL_RESOURCES, active: true },
{ title: TABS.RESOURCE_GROUPS, active: false }
];
inSearchMode = false;
trees = {
ALL_RESOURCES: {
searchText: null,
tree: []
},
RESOURCE_GROUPS: {
searchText: null,
tree: []
}
};
private _allResourcesTreeState = [];
private _resourceGroupsTreeState = [];
private ancillaryDBList = ['App-Services', 'Documents', 'Extensions', 'Fab', 'Last-Login',
'Meters', 'Modules', 'Schemas', 'Security', 'Triggers'];
constructor(private _cd: ChangeDetectorRef) { }
...
...
...
}
テンプレート
<div class="input-with-icon">
<i class="icon-search"></i>
<input type="text" [(ngModel)]="searchField" name="searchField" class="form-control" id="search-resources" placeholder="Search" (ngModelChange)="searchResource$.next(searchField)">
</div>
... (truncated)
....
....
ユニットテスト
describe('tree component',() => {
//let activatedRoute: ActivatedRouteStub;
let comp: TreeComponent;
let fixture: ComponentFixture<TreeComponent>;
let de: DebugElement;
let el: HTMLElement;
beforeEach(async(() => {
TestBed.configureTestingModule({
imports: [TreeModule],
})
.compileComponents();
}));
beforeEach(() => {
fixture = TestBed.createComponent(TreeComponent);
comp = fixture.componentInstance;
de = fixture.debugElement;
el = de.nativeElement;
comp.ngOnInit();
fixture.detectChanges();
});
it('should bind value to ngmodel',() => {
let inputEl = de.query(By.css('input#search-resources'))
inputEl.nativeElement.value = 'node';
inputEl.triggerEventHandler('input', {target: inputEl.nativeElement});
fixture.detectChanges();
expect(comp.searchField).toEqual('node');
});
// another approach
it('should filter resources when used in host component',fakeAsync(() => {
let inputEl = de.query(By.css('input#search-resources'));
inputEl.nativeElement.value = 'node';
dispatchEvent('input', inputEl.nativeElement);
tick();
fixture.detectChanges();
expect(de.queryAll(By.css('li.host-leaf:not([hidden])')).length).toEqual(2, 'should show filtered hosts');
}));
}
更新TreeComponent ** – Aravind