实际的接口签名是这样的
Task<GeneralResponseType> UpdateAsync(ICustomerRequest<IEnumerable<CustomerPreference>> request, CancellationToken cancellationToken, ILoggingContext loggingContext = null);
测试用例:
ICustomerRequest<IEnumerable<CustomerPreference>> t = null;
CancellationToken t1 = new CancellationToken();
LoggingContext t2 = null;
this.customerPreferenceRepositoryMock.Setup(x => x.UpdateAsync(
It.IsAny<ICustomerRequest<IEnumerable<CustomerPreference>>>(),
It.IsAny<CancellationToken>(),
It.IsAny<LoggingContext>()))
.Callback<ICustomerRequest<IEnumerable<CustomerPreference>>,CancellationToken, LoggingContext>((a, b, c) => { t = a ; t1 =b;t2= c; });
安装程序在测试用例中抛出异常,如下所示
无效回调。使用参数的方法设置 (ICustomerRequest
1,CancellationToken,ILoggingContext) cannot invoke callback with parameters (ICustomerRequest
1,CancelToken,LoggingContext(。
我做错了什么?
我已经验证了最小起订量:无效的回调。在带参数的方法上安装程序无法调用带参数的回调
但我没有看到任何帮助。
如注释中所述,使用的Callback
参数与方法定义不匹配。即使Setup
使用It.IsAny<LoggingContext>
方法定义也使用ILoggingContext
参数
将t2
更改为
ILoggingContext t2 = null;
并将Callback
更新为
.Callback<ICustomerRequest<IEnumerable<CustomerPreference>>,CancellationToken, ILoggingContext>((a, b, c) => {
t = a;
t1 = b;
t2 = c;
});
或
.Callback((ICustomerRequest<IEnumerable<CustomerPreference>> a,
CancellationToken b,
ILoggingContext c) => {
t = a;
t1 = b;
t2 = c;
});
无论哪种方式都行得通。
我还建议Setup
返回已完成的Task
,以便允许测试按预期异步流动。
this.customerPreferenceRepositoryMock
.Setup(x => x.UpdateAsync(
It.IsAny<ICustomerRequest<IEnumerable<CustomerPreference>>>(),
It.IsAny<CancellationToken>(),
It.IsAny<LoggingContext>()))
.Callback((ICustomerRequest<IEnumerable<CustomerPreference>> a,
CancellationToken b,
ILoggingContext c) => {
t = a;
t1 = b;
t2 = c;
//Use the input to create a response
//and pass it to the `ReturnsAsync` method
})
.ReturnsAsync(new GeneralResponseType()); //Or some pre initialized derivative.
查看 Moq 的快速入门,更好地了解如何使用框架。