public void RequestedParameterNameIsCorrect()
{
var dummyMethod = new DelegatingMethod();
var dummyExpansion = new DelegatingExpansion <object>();
var parameter = MethodInvokeCommandTest.CreateAnonymousParameterInfo();
var sut = new MethodInvokeCommand(dummyMethod, dummyExpansion, parameter);
var actual = sut.RequestedParameterName;
Assert.Equal(parameter.Name, actual);
}
public void SutIsGuardClauseCommand()
{
// Arrange
var dummyMethod = new DelegatingMethod();
var dummyExpansion = new DelegatingExpansion <object>();
var dummyParameter = MethodInvokeCommandTest.CreateAnonymousParameterInfo();
// Act
var sut = new MethodInvokeCommand(dummyMethod, dummyExpansion, dummyParameter);
// Assert
Assert.IsAssignableFrom <IGuardClauseCommand>(sut);
}
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 RequestedTypeIsCorrect()
{
// Arrange
var dummyMethod = new DelegatingMethod();
var dummyExpansion = new DelegatingExpansion <object>();
var parameter = MethodInvokeCommandTest.CreateAnonymousParameterInfo();
var sut = new MethodInvokeCommand(dummyMethod, dummyExpansion, parameter);
// Act
var result = sut.RequestedType;
// Assert
Assert.Equal(parameter.ParameterType, result);
}
public void ExpansionIsCorrect()
{
// Arrange
var dummyMethod = new DelegatingMethod();
var expansion = new DelegatingExpansion <object>();
var dummyParameter = MethodInvokeCommandTest.CreateAnonymousParameterInfo();
var sut = new MethodInvokeCommand(dummyMethod, expansion, dummyParameter);
// Act
IExpansion <object> result = sut.Expansion;
// Assert
Assert.Equal(expansion, result);
}
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
}
public void CreateExceptionReturnsExceptionWithCorrectMessage()
{
// Arrange
var dummyMethod = new DelegatingMethod();
var dummyExpansion = new DelegatingExpansion <object>();
var parameter = MethodInvokeCommandTest.CreateAnonymousParameterInfo();
var sut = new MethodInvokeCommand(dummyMethod, dummyExpansion, parameter);
// Act
var message = Guid.NewGuid().ToString();
var result = sut.CreateException(message);
// Assert
var e = Assert.IsAssignableFrom <GuardClauseException>(result);
Assert.Contains(message, e.Message);
}
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
}
public void CreateExceptionWithCustomFailureReasonReturnsExceptionWithCorrectMessageAndInner()
{
// Arrange
var dummyMethod = new DelegatingMethod();
var dummyExpansion = new DelegatingExpansion <object>();
var parameter = MethodInvokeCommandTest.CreateAnonymousParameterInfo();
var sut = new MethodInvokeCommand(dummyMethod, dummyExpansion, parameter);
var inner = new Exception();
// Act
var dummyValue = "dummy value";
var failureReason = "MY_CUSTOM_MESSAGE";
var result = sut.CreateException(dummyValue, failureReason, inner);
// Assert
var ex = Assert.IsAssignableFrom <GuardClauseException>(result);
Assert.Contains(", and MY_CUSTOM_MESSAGE", ex.Message);
Assert.Equal(inner, ex.InnerException);
}
public void ExecuteCorrectlyInvokesMethod()
{
// Arrange
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);
// Act
sut.Execute(value);
// Assert
Assert.True(mockVerified);
}