describe("Test:",function(){
    it("Expects event will be spied: ",function() {
        var eventSpy = spyOn(window,'myEvent').andCallThrough();
        expect(eventSpy).toHaveBeenCalled();
        //Also tried this:
        //expect(eventSpy).not.toHaveBeenCalled();
    });
});

所以我尝试了not.toHaveBeenCalled()和toHaveBeenCalled(),但在两种情况下都失败了.所以我猜spyOn无法监视自定义事件.

*注意：*我用类似的问题查看了其他SO答案,但这与点击事件有关.但在我的情况下,这是一个自动触发基于某些条件的自定义事件.

解决方法

describe("Test:",function(){
it("Expects event will be spied: ",function() {
    var eventSpy = jasmine.createSpy();
    sampleElement.addEventListener('sample event',eventSpy);
    expect(eventSpy).toHaveBeenCalled();

});

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