public void SutIsContextualCommand()
{
// Fixture setup
var dummyCommand = new DelegatingGuardClauseCommand();
// Exercise system
var sut = new ReflectionExceptionUnwrappingCommand(dummyCommand);
// Verify outcome
Assert.IsAssignableFrom<IGuardClauseCommand>(sut);
// Teardown
}
public void VerifySuccedsWhenCommandThrowsCorrectException()
{
// Fixture setup
var cmd = new DelegatingGuardClauseCommand { OnExecute = v => { throw new ArgumentNullException(); } };
var sut = new NullReferenceBehaviorExpectation();
// Exercise system and verify outcome
Assert.DoesNotThrow(() =>
sut.Verify(cmd));
// Teardown
}
public void CommandIsCorrect()
{
// Fixture setup
var expectedCommand = new DelegatingGuardClauseCommand();
var sut = new ReflectionExceptionUnwrappingCommand(expectedCommand);
// Exercise system
IGuardClauseCommand result = sut.Command;
// Verify outcome
Assert.Equal(expectedCommand, result);
// Teardown
}
public void ExecuteRethrowsNormalException()
{
// Fixture setup
var cmd = new DelegatingGuardClauseCommand { OnExecute = v => { throw new InvalidOperationException(); } };
var sut = new ReflectionExceptionUnwrappingCommand(cmd);
// Exercise system and verify outcome
var dummyValue = new object();
Assert.Throws<InvalidOperationException>(() =>
sut.Execute(dummyValue));
// Teardown
}
public void SutIsContextualCommand()
{
// Fixture setup
var dummyCommand = new DelegatingGuardClauseCommand();
// Exercise system
var sut = new ReflectionExceptionUnwrappingCommand(dummyCommand);
// Verify outcome
Assert.IsAssignableFrom <IGuardClauseCommand>(sut);
// Teardown
}
public void CommandIsCorrect()
{
// Fixture setup
var expectedCommand = new DelegatingGuardClauseCommand();
var sut = new ReflectionExceptionUnwrappingCommand(expectedCommand);
// Exercise system
IGuardClauseCommand result = sut.Command;
// Verify outcome
Assert.Equal(expectedCommand, result);
// Teardown
}
public void ExecuteUnwrapsAndThrowsInnerExceptionFromTargetInvocationException()
{
// Fixture setup
var expectedException = new InvalidOperationException();
var cmd = new DelegatingGuardClauseCommand { OnExecute = v => { throw new TargetInvocationException(expectedException); } };
var sut = new ReflectionExceptionUnwrappingCommand(cmd);
// Exercise system and verify outcome
var dummyValue = new object();
var e = Assert.Throws<InvalidOperationException>(() =>
sut.Execute(dummyValue));
Assert.Equal(expectedException, e);
// Teardown
}
public void ExecuteExecutesDecoratedCommand()
{
// Fixture setup
var mockVerified = false;
var expectedValue = new object();
var cmd = new DelegatingGuardClauseCommand { OnExecute = v => mockVerified = expectedValue.Equals(v) };
var sut = new ReflectionExceptionUnwrappingCommand(cmd);
// Exercise system
sut.Execute(expectedValue);
// Verify outcome
Assert.True(mockVerified, "Mock verified.");
// Teardown
}
public void VerifySuccedsWhenCommandThrowsCorrectException()
{
// Fixture setup
var cmd = new DelegatingGuardClauseCommand {
OnExecute = v => { throw new ArgumentNullException(); }
};
var sut = new NullReferenceBehaviorExpectation();
// Exercise system and verify outcome
Assert.DoesNotThrow(() =>
sut.Verify(cmd));
// Teardown
}
public void VerifyDoesNothingWhenContextTypeIsNotInterfaceOrReference(Type type)
{
// Fixture setup
var verifyInvoked = false;
var mockCommand = new DelegatingGuardClauseCommand { OnExecute = v => verifyInvoked = true };
mockCommand.RequestedType = type;
var sut = new NullReferenceBehaviorExpectation();
// Exercise system
sut.Verify(mockCommand);
// Verify outcome
Assert.False(verifyInvoked, "Mock verified.");
// Teardown
}
public void ExecuteRethrowsNormalException()
{
// Fixture setup
var cmd = new DelegatingGuardClauseCommand {
OnExecute = v => { throw new InvalidOperationException(); }
};
var sut = new ReflectionExceptionUnwrappingCommand(cmd);
// Exercise system and verify outcome
var dummyValue = new object();
Assert.Throws <InvalidOperationException>(() =>
sut.Execute(dummyValue));
// Teardown
}
public void ContextTypeIsCorrect(Type type)
{
// Fixture setup
var cmd = new DelegatingGuardClauseCommand {
RequestedType = type
};
var sut = new ReflectionExceptionUnwrappingCommand(cmd);
// Exercise system
var result = sut.RequestedType;
// Verify outcome
Assert.Equal(type, result);
// 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 VerifyVerifiesAllBehaviorExpectations()
{
// Fixture setup
var observedCommands = new List<IGuardClauseCommand>();
var expectations = Enumerable.Repeat(new DelegatingBehaviorExpectation { OnVerify = observedCommands.Add }, 3).ToArray();
var sut = new CompositeBehaviorExpectation(expectations);
var cmd = new DelegatingGuardClauseCommand();
// Exercise system
sut.Verify(cmd);
// Verify outcome
Assert.Equal(expectations.Length, observedCommands.Count(c => cmd.Equals(c)));
// 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 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 VerifyThrowsWhenCommandDoesNotThrow()
{
// Fixture setup
var expected = new Exception();
var cmd = new DelegatingGuardClauseCommand
{
OnCreateException = v => v == "null" ? expected : new Exception()
};
var sut = new NullReferenceBehaviorExpectation();
// Exercise system and verify outcome
var result = Assert.Throws <Exception>(() =>
sut.Verify(cmd));
Assert.Equal(expected, result);
// Teardown
}
public void ExecuteExecutesDecoratedCommand()
{
// Fixture setup
var mockVerified = false;
var expectedValue = new object();
var cmd = new DelegatingGuardClauseCommand {
OnExecute = v => mockVerified = expectedValue.Equals(v)
};
var sut = new ReflectionExceptionUnwrappingCommand(cmd);
// Exercise system
sut.Execute(expectedValue);
// Verify outcome
Assert.True(mockVerified, "Mock verified.");
// Teardown
}
public void CreateExceptionReturnsCorrectResult()
{
// Fixture setup
var value = Guid.NewGuid().ToString();
var expected = new Exception();
var cmd = new DelegatingGuardClauseCommand {
OnCreateException = v => value == v ? expected : new Exception()
};
var sut = new ReflectionExceptionUnwrappingCommand(cmd);
// Exercise system
var result = sut.CreateException(value);
// Verify outcome
Assert.Equal(expected, result);
// Teardown
}
public void ExecuteUnwrapsAndThrowsInnerExceptionFromTargetInvocationException()
{
// Fixture setup
var expectedException = new InvalidOperationException();
var cmd = new DelegatingGuardClauseCommand {
OnExecute = v => { throw new TargetInvocationException(expectedException); }
};
var sut = new ReflectionExceptionUnwrappingCommand(cmd);
// Exercise system and verify outcome
var dummyValue = new object();
var e = Assert.Throws <InvalidOperationException>(() =>
sut.Execute(dummyValue));
Assert.Equal(expectedException, e);
// 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
}
public void VerifyVerifiesAllBehaviorExpectations()
{
// Fixture setup
var observedCommands = new List <IGuardClauseCommand>();
var expectations = Enumerable.Repeat(new DelegatingBehaviorExpectation {
OnVerify = observedCommands.Add
}, 3).ToArray();
var sut = new CompositeBehaviorExpectation(expectations);
var cmd = new DelegatingGuardClauseCommand();
// Exercise system
sut.Verify(cmd);
// Verify outcome
Assert.Equal(expectations.Length, observedCommands.Count(c => cmd.Equals(c)));
// Teardown
}
public void VerifyDoesNothingWhenContextTypeIsNotInterfaceOrReference(Type type)
{
// Fixture setup
var verifyInvoked = false;
var mockCommand = new DelegatingGuardClauseCommand {
OnExecute = v => verifyInvoked = true
};
mockCommand.RequestedType = type;
var sut = new NullReferenceBehaviorExpectation();
// Exercise system
sut.Verify(mockCommand);
// Verify outcome
Assert.False(verifyInvoked, "Mock verified.");
// 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 == "null" && expectedInner.Equals(e) ? expected : new Exception()
};
var sut = new NullReferenceBehaviorExpectation();
// Exercise system and verify outcome
var result = Assert.Throws <Exception>(() =>
sut.Verify(cmd));
Assert.Equal(expected, result);
// 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 VerifyCorrectlyInvokesExecuteForNullableContexts(Type type)
{
// Fixture setup
var mockVerified = false;
var mockCommand = new DelegatingGuardClauseCommand
{
OnExecute = v => mockVerified = v == null,
OnCreateException = v => new InvalidOperationException()
};
mockCommand.RequestedType = type;
var sut = new NullReferenceBehaviorExpectation();
// Exercise system
try
{
sut.Verify(mockCommand);
}
catch (InvalidOperationException) { }
// Verify outcome
Assert.True(mockVerified, "Mock verified.");
// 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 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 VerifyCorrectlyInvokesExecuteForNullableContexts(Type type)
{
// Fixture setup
var mockVerified = false;
var mockCommand = new DelegatingGuardClauseCommand
{
OnExecute = v => mockVerified = v == null,
OnCreateException = v => new InvalidOperationException()
};
mockCommand.RequestedType = type;
var sut = new NullReferenceBehaviorExpectation();
// Exercise system
try
{
sut.Verify(mockCommand);
}
catch (InvalidOperationException) { }
// Verify outcome
Assert.True(mockVerified, "Mock verified.");
// 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
}
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 ContextTypeIsCorrect(Type type)
{
// Fixture setup
var cmd = new DelegatingGuardClauseCommand { RequestedType = type };
var sut = new ReflectionExceptionUnwrappingCommand(cmd);
// Exercise system
var result = sut.RequestedType;
// Verify outcome
Assert.Equal(type, result);
// Teardown
}
public void CreateExceptionReturnsCorrectResult()
{
// Fixture setup
var value = Guid.NewGuid().ToString();
var expected = new Exception();
var cmd = new DelegatingGuardClauseCommand { OnCreateException = v => value == v ? expected : new Exception() };
var sut = new ReflectionExceptionUnwrappingCommand(cmd);
// Exercise system
var result = sut.CreateException(value);
// Verify outcome
Assert.Equal(expected, result);
// Teardown
}
public void VerifyThrowsWhenCommandDoesNotThrow()
{
// Fixture setup
var expected = new Exception();
var cmd = new DelegatingGuardClauseCommand
{
OnCreateException = v => v == "null" ? expected : new Exception()
};
var sut = new NullReferenceBehaviorExpectation();
// Exercise system and verify outcome
var result = Assert.Throws<Exception>(() =>
sut.Verify(cmd));
Assert.Equal(expected, result);
// Teardown
}
