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
}
public void CreateExceptionReturnsExceptionWithCorrectMessage()
{
// 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 result = sut.CreateException(message);
// Verify outcome
var e = Assert.IsAssignableFrom <GuardClauseException>(result);
Assert.Contains(message, e.Message);
// Teardown
}
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
}