public bool ContainsParameters(IGuardClauseCommand command)
{
if (command == null)
{
throw new ArgumentNullException("command");
}
var expectedCommand = command as ReflectionExceptionUnwrappingCommand;
MethodInvokeCommand methodCommand = null;
if (expectedCommand == null)
{
methodCommand = command as MethodInvokeCommand;
}
else
{
methodCommand = expectedCommand.Command as MethodInvokeCommand;
}
if (methodCommand != null)
{
return(ParameterNames.Any(p => p == methodCommand.ParameterInfo.Name));
}
return(false);
}
public void SutIsGuardClauseCommand()
{
// Fixture setup
var dummyMethod = new DelegatingMethod();
var dummyExpansion = new DelegatingExpansion<object>();
var dummyParameter = MethodInvokeCommandTest.CreateAnonymousParameterInfo();
// Exercise system
var sut = new MethodInvokeCommand(dummyMethod, dummyExpansion, dummyParameter);
// Verify outcome
Assert.IsAssignableFrom<IGuardClauseCommand>(sut);
// Teardown
}
public void ParameterInfoIsCorrect()
{
// Fixture setup
var dummyMethod = new DelegatingMethod();
var dummyExpansion = new DelegatingExpansion<object>();
var parameter = MethodInvokeCommandTest.CreateAnonymousParameterInfo();
var sut = new MethodInvokeCommand(dummyMethod, dummyExpansion, parameter);
// Exercise system
ParameterInfo result = sut.ParameterInfo;
// Verify outcome
Assert.Equal(parameter, result);
// Teardown
}
private void Verify(IMethod method)
{
var parameters = (from pi in method.Parameters
select this.Builder.CreateAnonymous(GuardClauseAssertion.GetParameterType(pi))).ToList();
var i = 0;
foreach (var pi in method.Parameters)
{
var expansion = new IndexedReplacement <object>(i++, parameters);
var command = new MethodInvokeCommand(method, expansion, pi);
var unwrapper = new ReflectionExceptionUnwrappingCommand(command);
this.BehaviorExpectation.Verify(unwrapper);
}
}
public void ExecuteCorrectlyInvokesMethod()
{
// Fixture setup
var value = new object();
var arguments = new[] { new object(), new object(), new object() };
var expansion = new DelegatingExpansion<object> { OnExpand = v => v == value ? arguments : new object[0] };
var dummyParameter = MethodInvokeCommandTest.CreateAnonymousParameterInfo();
var mockVerified = false;
var method = new DelegatingMethod { OnInvoke = a => mockVerified = a == arguments };
var sut = new MethodInvokeCommand(method, expansion, dummyParameter);
// Exercise system
sut.Execute(value);
// Verify outcome
Assert.True(mockVerified);
// Teardown
}
private void Verify(IMethod method, bool isReturnValueIterator)
{
var parameters = this.GetParameters(method);
var i = 0;
foreach (var pi in method.Parameters)
{
var expansion = new IndexedReplacement <object>(i++, parameters);
var command = new MethodInvokeCommand(method, expansion, pi);
var unwrapper = new ReflectionExceptionUnwrappingCommand(command);
if (isReturnValueIterator)
{
var iteratorDecorator = new IteratorMethodInvokeCommand(unwrapper);
this.behaviorExpectation.Verify(iteratorDecorator);
}
else
{
this.BehaviorExpectation.Verify(unwrapper);
}
}
}
private void Verify(IMethod method, bool isReturnValueIterator)
{
var parameters = (from pi in method.Parameters
select this.Builder.CreateAnonymous(GuardClauseAssertion.GetParameterType(pi))).ToList();
var i = 0;
foreach (var pi in method.Parameters)
{
var expansion = new IndexedReplacement<object>(i++, parameters);
var command = new MethodInvokeCommand(method, expansion, pi);
var unwrapper = new ReflectionExceptionUnwrappingCommand(command);
if (isReturnValueIterator)
{
var iteratorDecorator = new IteratorMethodInvokeCommand(unwrapper);
this.behaviorExpectation.Verify(iteratorDecorator);
}
else
this.BehaviorExpectation.Verify(unwrapper);
}
}
private void Verify(IMethod method, bool isReturnValueIterator)
{
var parameters = this.GetParameters(method);
var i = 0;
foreach (var pi in method.Parameters)
{
var expansion = new IndexedReplacement<object>(i++, parameters);
var command = new MethodInvokeCommand(method, expansion, pi);
var unwrapper = new ReflectionExceptionUnwrappingCommand(command);
if (isReturnValueIterator)
{
var iteratorDecorator = new IteratorMethodInvokeCommand(unwrapper);
this.behaviorExpectation.Verify(iteratorDecorator);
}
else
this.BehaviorExpectation.Verify(unwrapper);
}
}
public void CreateExceptionWithInnerReturnsExceptionWithCorrectInnerException()
{
// Fixture setup
var dummyMethod = new DelegatingMethod();
var dummyExpansion = new DelegatingExpansion<object>();
var parameter = MethodInvokeCommandTest.CreateAnonymousParameterInfo();
var sut = new MethodInvokeCommand(dummyMethod, dummyExpansion, parameter);
// Exercise system
var message = Guid.NewGuid().ToString();
var inner = new Exception();
var result = sut.CreateException(message, inner);
// Verify outcome
var e = Assert.IsAssignableFrom<GuardClauseException>(result);
Assert.Equal(inner, e.InnerException);
// Teardown
}
