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using NUnit.Framework; | |
using Moq; | |
[TestFixture] | |
public class ReallyHardToTestTests{ | |
Mock<IPathWrapper> mockPathWrapper; | |
Mock<ISomeOtherDependency> mockSomeOtherDependency; | |
Mock<ISomeModelFactory> mockSomeModelFactory; | |
SomeModel someModel; | |
ReallyHardToTest systemUnderTest; | |
[SetUp] | |
public void SetUp(){ | |
mockPathWrapper = new Mock<IPathWrapper>(MockBehavior.Strict); | |
mockSomeOtherDependency = new Mock<ISomeOtherDependency>(MockBehavior.Strict); | |
mockSomeOtherDependency.Setup(p=>p.DoSomething()); | |
mockSomeModelFactory = new Mock<ISomeModelFactory>(MockBehavior.Strict); | |
someModel = new SomeModel(); | |
mockSomeModelFactory.Setup(p=>p.Create()).Returns(someModel); | |
systemUnderTest = new ReallyHardToTest(mockSomeOtherDependency.Object, mockPathWrapper.Object, mockSomeModelFactory.Object); | |
} | |
[TestCase(@"c:\some\path\filename.txt", "filename.txt")] | |
[TestCase(@"c:\some\really\long\path\otherFile.txt", "otherFile.txt")] | |
public void SetFilename_Always_InvokesPathGetFileName(string input, string expectedFilename){ | |
// Configure our mock expectations | |
mockPathWrapper.Setup(p=>p.GetFileName(input)).Returns(expectedFilename); | |
// Exercise our method under test | |
SystemUnderTest.SetFilename(input); | |
// Verify that our mock's expectations were met | |
mockPathWrapper.VerifyAll(); | |
Assert.That(someModel.Filename, Is.EqualTo(expectedFilename)); | |
} | |
[Test] | |
public void Constructor_Always_PerformsExpectedWork(){ | |
// We're testing the constructor, so no Arrange step here. | |
// Likewise with Act - creating our SystemUnderTest is the | |
// Act we're testing here. | |
// Verify that our expectation was met. | |
mockSomeOtherDependency.VerifyAll(); | |
mockSomeModelFactory.VerifyAll(); | |
} | |
} |
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