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我有以下的單元測試:茉莉花.toHaveBeenCalledTimes拋出「undefined是不是構造」錯誤
describe('shouldDeleteLogos',() => {
beforeEach(() => {
productService.product.project.parts['Logo'] = {
name: 'Logo'
};
productService.product.project.parts['Accent'] = {
name: 'Accent'
};
});
it(`should only call deleteLogos once if the part was provided to the method`,() => {
let part: Part = new Part();
part.name = 'Logo';
spyOn(creationSpacePSTLInstance, 'deleteLogos');
creationSpacePSTLInstance.shouldDeleteLogos(part);
expect(creationSpacePSTLInstance.deleteLogos).toHaveBeenCalledTimes(1);
});
});
然而,當我跑我得到以下錯誤測試:TypeError: undefined is not a constructor (evaluating 'expect(creationSpacePSTLInstance.deleteLogos).toHaveBeenCalledTimes(1)')
什麼是錯在這裏?我窺探了這個方法,我想測試它只被調用一次。基於文檔,這應該是工作。它只與.toHaveBeenCalled();
一起工作,只是不符合時代的說法。
以下是我正在使用的Jasmine和Karma版本。
"jasmine-core": "2.3.4"
"karma": "0.13.22",