[Unit Testing] Jasmine Spies 

it ('should add two numbers', () => {
    
    const logger = jasmine.createSpyObj('LoggerService', ['log'])
    // logger.log.and.returnValue();
　　 const calculator = new CalculatorService(logger)
    const result = calculator.add(2,2)
    expect(result).toBe(4)
    expect(logger).toHaveBeenCalledTimes(1)

})

 

posted @ 2020-02-10 02:52  Zhentiw  阅读(181)  评论(0)  编辑  收藏  举报