[英]How to unit test a mapbox popup with jasmine testing?
我有一个地图框弹出窗口。 我正在使用茉莉花,我想为它编写一个单元测试。
所以我有这个功能:
selectCluster(event: MouseEvent, feature: any) {
event.stopPropagation();
this.selectedCluster = {geometry: feature.geometry, properties: feature.properties};
}
这是模板:
<ng-template mglClusterPoint let-feature>
<div class="marker-cluster" (click)="selectCluster($event, feature)">
<fa-icon [icon]="faVideo" [styles]="{'stroke': 'black', 'color': 'black'}" size="lg" class="pr-2"></fa-icon>
<fa-icon [icon]="faWifi" [styles]="{'stroke': 'black', 'color': 'black'}" size="lg" class="pr-2"></fa-icon>
</div>
</ng-template>
这是我的单元测试:
fit('Should prevent popup will be closing after popup is triggered', () => {
const ev = new Event('MouseEvent');
spyOn(ev, 'stopPropagation');
expect(ev.stopPropagation).toHaveBeenCalled();
});
但我收到此错误:
Expected spy stopPropagation to have been called.
那我必须改变什么?
谢谢
我不认为你应该那样测试。
it('Should set selectedCluster when clicked', () => {
spyOn(component,'selectCluster').and.callThrough();
fixture.debugElement.query(By.css('.marker-cluster')).nativeElement.click();
fixture.detectChanges();
expect(component.selectCluster).toHaveBeenCalled();
expect(component.selectedCluster).toBe('whatever you are expecting')
});
要测试stopPropagation
,您应该专注于被它停止的事件。 如果您的测试检查事件没有发生,您可以确定event.stopPropagation();
在代码中做它的事情。
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