安裝 NSubstitute
安裝 Nuget 的 NSubstitute 套件
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| Install-Package NSubstitute
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類別結構
建立模擬物件
建立 Repository 的模擬物件
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| Repository mockRepository = Substitute.For<Repository>();
mockRepository
.GetData(Arg.Any<string>())
.Returns(new Table {
Id = 1,
Name = "張三"
});
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注入模擬物件
把 Repository 的模擬物件注入 Service
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| Service service = new Service(mockRepository);
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使用 Service
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| Table result = service.RunLogic();
Assert.That(result.Name, Is.EqualTo("張三"));
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驗證模擬物件
依傳入參數做回傳
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| mockRepository
.GetData("張三")
.Returns(new Table {
Id = 1,
Name = "張三"
});
mockRepository
.GetData("李四")
.Returns(new Table {
Id = 2,
Name = "李四"
});
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模擬呼叫方法多次依序回傳不同內容
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| mockRepository
.GetData(Arg.Any<string>())
.Returns(
new Table
{
Id = 1,
Name = "張三"
},
new Table
{
Id = 2,
Name = "李四"
});
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驗證呼叫方法的次數與傳入參數
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| mockRepository
.Received(1)
.GetData(Arg.Is<string>(x => x == "張三"));
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