feat(core): add stop-propagation directive test

npm/ng-packs/packages/core/src/lib/directives/stop-propagation.directive.ts

@@ -1,15 +1,15 @@
-import { Directive, ElementRef, EventEmitter, OnInit, Output, Renderer2 } from '@angular/core';
+import { Directive, ElementRef, EventEmitter, OnInit, Output, Renderer2, OnDestroy } from '@angular/core';
 import { fromEvent } from 'rxjs';
 import { takeUntilDestroy } from '@ngx-validate/core';
 
 @Directive({
   // tslint:disable-next-line: directive-selector
-  selector: '[click.stop]'
+  selector: '[click.stop]',
 })
-export class ClickEventStopPropagationDirective implements OnInit {
+export class ClickEventStopPropagationDirective implements OnInit, OnDestroy {
   @Output('click.stop') readonly stopPropEvent = new EventEmitter<MouseEvent>();
 
-  constructor(private renderer: Renderer2, private el: ElementRef) {}
+  constructor(private el: ElementRef) {}
 
   ngOnInit(): void {
     fromEvent(this.el.nativeElement, 'click')
@@ -19,4 +19,6 @@ export class ClickEventStopPropagationDirective implements OnInit {
         this.stopPropEvent.emit(event);
       });
   }
+
+  ngOnDestroy(): void {}
 }

npm/ng-packs/packages/core/src/lib/tests/stop-propagation.directive.spec.ts

@@ -0,0 +1,40 @@
+import { createDirectiveFactory, SpectatorDirective } from '@ngneat/spectator/jest';
+import { ClickEventStopPropagationDirective } from '../directives/stop-propagation.directive';
+
+describe('ClickEventStopPropagationDirective', () => {
+  let spectator: SpectatorDirective<ClickEventStopPropagationDirective>;
+  let directive: ClickEventStopPropagationDirective;
+  let link: HTMLAnchorElement;
+  let childClickEventFn = jest.fn(() => null);
+  let parentClickEventFn = jest.fn(() => null);
+  const createDirective = createDirectiveFactory({
+    directive: ClickEventStopPropagationDirective,
+  });
+
+  beforeEach(() => {
+    spectator = createDirective(
+      '<div (click)="parentClickEventFn()"><a (click.stop)="childClickEventFn()" >Link</a></div>',
+      {
+        hostProps: { parentClickEventFn, childClickEventFn },
+      },
+    );
+    directive = spectator.directive;
+    link = spectator.query('a');
+    childClickEventFn.mockClear();
+    parentClickEventFn.mockClear();
+  });
+
+  test('should be created', () => {
+    spectator.click('a');
+    expect(directive).toBeTruthy();
+  });
+
+  test("should not call click event of parent when child element's click event is triggered", done => {
+    spectator.setHostInput({ parentClickEventFn, childClickEventFn });
+    spectator.click('a');
+    spectator.detectChanges();
+    expect(childClickEventFn).toHaveBeenCalled();
+    expect(parentClickEventFn).not.toHaveBeenCalled();
+    done();
+  });
+});