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JasmineでServiceのテスト時にPrivate propertyにSpyする方法

Last updated at Posted at 2020-02-26

Jasmine3.3

一度anyのオブジェクトに入れ替えるとプロパティが挿入できる。
これで正しいかは謎ですが、、、(any敗北説

test.service.spec.ts

describe('TestService', () => {
let testService: TestService();

  beforeEach(() => {
    testService = new TestService(); //サービスの初期化
  });

  it('test') () =>{
    let testSpy: any = testService;
    testSpy.undefinedProperty = 0;
    testSpy.func();
  });
});
test.service.ts
private undefinedProperty: number

  func() {
    if(this.undefinedProperty === 0){
      //something
    }
  }
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