public void VerifyNullCommandThrows()
{
// Fixture setup
var sut = new EmptyGuidBehaviorExpectation();
// Exercise system and verify outcome
Assert.Throws<ArgumentNullException>(() =>
sut.Verify(null));
// Teardown
}
public void SutIsBehaviorExpectation()
{
// Fixture setup
// Exercise system
var sut = new EmptyGuidBehaviorExpectation();
// Verify outcome
Assert.IsAssignableFrom<IBehaviorExpectation>(sut);
// Teardown
}
public void VerifySuccedsWhenCommandThrowsCorrectException()
{
// Fixture setup
var cmd = new DelegatingGuardClauseCommand
{
OnExecute = v => { throw new ArgumentException(); },
RequestedType = typeof(Guid)
};
var sut = new EmptyGuidBehaviorExpectation();
// Exercise system and verify outcome
Assert.DoesNotThrow(() =>
sut.Verify(cmd));
// Teardown
}
public void VerifyDoesNothingWhenRequestedTypeIsNotGuid(Type type)
{
// Fixture setup
var executeInvoked = false;
var mockCommand = new DelegatingGuardClauseCommand { OnExecute = v => executeInvoked = true };
mockCommand.RequestedType = type;
var sut = new EmptyGuidBehaviorExpectation();
// Exercise system
sut.Verify(mockCommand);
// Verify outcome
Assert.False(executeInvoked);
// Teardown
}
public void VerifyCorrectlyInvokesExecuteWhenRequestedTypeIsGuid()
{
// Fixture setup
var mockVerified = false;
var mockCommand = new DelegatingGuardClauseCommand
{
OnExecute = v => mockVerified = Guid.Empty.Equals(v),
OnCreateException = v => new InvalidOperationException(),
RequestedType = typeof(Guid)
};
var sut = new EmptyGuidBehaviorExpectation();
// Exercise system
try
{
sut.Verify(mockCommand);
}
catch (InvalidOperationException) { }
// Verify outcome
Assert.True(mockVerified);
// Teardown
}
public void VerifyThrowsWhenCommandThrowsUnexpectedException()
{
// Fixture setup
var expectedInner = new Exception();
var expected = new Exception();
var cmd = new DelegatingGuardClauseCommand
{
OnExecute = v => { throw expectedInner; },
OnCreateExceptionWithInner = (v, e) => v == "\"Guid.Empty\"" && expectedInner.Equals(e) ? expected : new Exception(),
RequestedType = typeof(Guid)
};
var sut = new EmptyGuidBehaviorExpectation();
// Exercise system and verify outcome
var result = Assert.Throws<Exception>(() =>
sut.Verify(cmd));
Assert.Equal(expected, result);
// Teardown
}
public void VerifyThrowsWhenCommandDoesNotThrow()
{
// Fixture setup
var expected = new Exception();
var cmd = new DelegatingGuardClauseCommand
{
OnCreateException = v => v == "\"Guid.Empty\"" ? expected : new Exception(),
RequestedType = typeof(Guid)
};
var sut = new EmptyGuidBehaviorExpectation();
// Exercise system and verify outcome
var result = Assert.Throws<Exception>(() =>
sut.Verify(cmd));
Assert.Equal(expected, result);
// Teardown
}
