[英]C# – Mocking a method to return a different value when called a second time using Moq
我正在使用Moq使用异步方法模拟存储库。 必须调用此方法2次。 在第一次调用此方法时,我需要获取null值。 在第二个我需要得到一些参数。 如果这个方法不是异步,那么我可以使用
autoMockContext
.Mock<IPopulationReadRepository>()
.SetupSequence(method => method.GetCityForNewClients(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>()))
.Returns(null)
.Returns(new Population { Id = 100, CityLongName = "Kharkiv, Kharkivska, Slobozhanshina" });
所以最后一行的错误。 结果必须是这样的:
autoMockContext
.Mock<IPopulationReadRepository>()
.Setup(method => method.GetCityForNewClients(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>()))
.Returns(null);
autoMockContext
.Mock<IPopulationReadRepository>()
.Setup(method => method.GetCityForNewClients(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>()))
.ReturnsAsync(new Entities.Zonning.Population { Id = 100, CityLongName = "Kharkiv, Kharkivska, Slobozhanshina" });
但我需要一次调用吗?
谢谢,我已经解决了这个问题
autoMockContext
.Mock<IPopulationReadRepository>()
.SetupSequence(method => method.GetCityForNewClients(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>()))
.Returns(Task.FromResult<Entities.Zonning.Population>(null))
.Returns(Task.FromResult(new Entities.Zonning.Population { Id = 100, CityLongName = "Kharkiv, Kharkivska, Slobozhanshina" }));
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