private object CreateMock(Type returnType, MocksRepository repository, Invocation invocation)
{
var parentMock = invocation.MockMixin;
var replicator = parentMock as IMockReplicator;
object mock = null;
if (returnType.IsArray)
{
mock = Array.CreateInstance(returnType.GetElementType(), Enumerable.Repeat(0, returnType.GetArrayRank()).ToArray());
}
var idictionaryType = returnType.GetImplementationOfGenericInterface(typeof(IDictionary <,>));
if (mock == null && idictionaryType != null)
{
var dictType = typeof(Dictionary <,>).MakeGenericType(idictionaryType.GetGenericArguments());
mock = MockCollection.Create(returnType, repository, replicator, (IEnumerable)MockingUtil.CreateInstance(dictType));
}
var ienumerableType = returnType.GetImplementationOfGenericInterface(typeof(IEnumerable <>));
if (mock == null && ienumerableType != null)
{
var listType = typeof(List <>).MakeGenericType(ienumerableType.GetGenericArguments());
mock = MockCollection.Create(returnType, repository, replicator, (IEnumerable)MockingUtil.CreateInstance(listType));
}
if (mock == null && typeof(Task).IsAssignableFrom(returnType))
{
var elementType = returnType.IsGenericType && returnType.GetGenericTypeDefinition() == typeof(Task <>)
? returnType.GetGenericArguments()[0] : typeof(object);
var taskResultValue = MustReturnMock(invocation)
? CreateMock(elementType, repository, invocation)
: elementType.GetDefaultValue();
Expression <Func <Task <object> > > taskFromResult = () => MockingUtil.TaskFromResult((object)null);
mock = ((MethodCallExpression)taskFromResult.Body).Method
.GetGenericMethodDefinition()
.MakeGenericMethod(elementType)
.Invoke(null, new object[] { taskResultValue });
}
#if !PORTABLE
if (mock == null && returnType.IsByRef)
{
var delegateType = typeof(object).Assembly.GetType("Telerik.JustMock.RefDelegate`1").MakeGenericType(new [] { returnType.GetElementType() });
ConstructorInfo constructor = delegateType.GetConstructor(new[] { typeof(object), typeof(IntPtr) });
MethodInfo genericMethodInfo = this.GetType().GetMethod("GetDefaultRef", BindingFlags.NonPublic | BindingFlags.Instance);
MethodInfo methodInfo = genericMethodInfo.MakeGenericMethod(returnType.GetElementType());
mock = constructor.Invoke(new object[] { this, methodInfo.MethodHandle.GetFunctionPointer() });
}
#endif
if (mock == null && MustReturnMock(invocation, checkPropertyOnTestFixture: true))
{
if (typeof(String) == returnType)
{
mock = String.Empty;
}
else
{
try
{
mock = replicator.CreateSimilarMock(repository, returnType, null, true, null);
}
catch (MockException)
{ }
}
}
return(mock);
}
public MockCollectionBehavior(Type resultCollection, MocksRepository repo, IEnumerable collection)
{
this.collection = (IEnumerable)MockCollection.Create(resultCollection, repo, null, collection);
}
private object CreateMock(Type returnType, MocksRepository repository, Invocation invocation)
{
var parentMock = invocation.MockMixin;
var replicator = parentMock as IMockReplicator;
object mock = null;
if (returnType.IsArray)
{
mock = Array.CreateInstance(returnType.GetElementType(), Enumerable.Repeat(0, returnType.GetArrayRank()).ToArray());
}
var idictionaryType = returnType.GetImplementationOfGenericInterface(typeof(IDictionary <,>));
if (mock == null && idictionaryType != null)
{
var dictType = typeof(Dictionary <,>).MakeGenericType(idictionaryType.GetGenericArguments());
mock = MockCollection.Create(returnType, repository, replicator, (IEnumerable)MockingUtil.CreateInstance(dictType));
}
var ienumerableType = returnType.GetImplementationOfGenericInterface(typeof(IEnumerable <>));
if (mock == null && ienumerableType != null)
{
var listType = typeof(List <>).MakeGenericType(ienumerableType.GetGenericArguments());
mock = MockCollection.Create(returnType, repository, replicator, (IEnumerable)MockingUtil.CreateInstance(listType));
}
if (mock == null && typeof(Task).IsAssignableFrom(returnType))
{
var elementType = returnType.IsGenericType && returnType.GetGenericTypeDefinition() == typeof(Task <>)
? returnType.GetGenericArguments()[0] : typeof(object);
var taskResultValue = MustReturnMock(invocation)
? CreateMock(elementType, repository, invocation)
: elementType.GetDefaultValue();
Expression <Func <Task <object> > > taskFromResult = () => MockingUtil.TaskFromResult((object)null);
mock = ((MethodCallExpression)taskFromResult.Body).Method
.GetGenericMethodDefinition()
.MakeGenericMethod(elementType)
.Invoke(null, new object[] { taskResultValue });
}
if (mock == null && MustReturnMock(invocation, checkPropertyOnTestFixture: true))
{
if (typeof(String) == returnType)
{
mock = String.Empty;
}
else
{
try
{
mock = replicator.CreateSimilarMock(repository, returnType, null, true, null);
}
catch (MockException)
{ }
}
}
return(mock);
}
public void Process(Invocation invocation)
{
if (invocation.IsReturnValueSet)
{
return;
}
var returnType = invocation.Method.GetReturnType();
if (returnType == typeof(void) || returnType.IsValueType)
{
return;
}
if (invocation.Method.Name == "ToString" && invocation.Method.GetParameters().Length == 0 && invocation.UserProvidedImplementation)
{
return;
}
object mock = null;
List <KeyValuePair <object, object> > mocksList;
if (mocks.TryGetValue(invocation.Method, out mocksList))
{
// can't put the key part in a Dictionary,
// because we can't be sure that GetHashCode() works
mock = mocksList.FirstOrDefault(kvp => Equals(kvp.Key, invocation.Instance)).Value;
}
if (mock == null)
{
var parentMock = MocksRepository.GetMockMixinFromInvocation(invocation);
var repository = parentMock.Repository;
var replicator = parentMock as IMockReplicator;
bool mustReturnAMock = invocation.InArrange || this.type == RecursiveMockingBehaviorType.ReturnMock;
if (mustReturnAMock || this.type == RecursiveMockingBehaviorType.ReturnDefault)
{
if (returnType.IsArray)
{
mock = Array.CreateInstance(returnType.GetElementType(), Enumerable.Repeat(0, returnType.GetArrayRank()).ToArray());
}
var idictionaryType = returnType.GetImplementationOfGenericInterface(typeof(IDictionary <,>));
if (mock == null && idictionaryType != null)
{
var dictType = typeof(Dictionary <,>).MakeGenericType(idictionaryType.GetGenericArguments());
mock = MockCollection.Create(returnType, repository, replicator, (IEnumerable)MockingUtil.CreateInstance(dictType));
}
var ienumerableType = returnType.GetImplementationOfGenericInterface(typeof(IEnumerable <>));
if (mock == null && ienumerableType != null)
{
var listType = typeof(List <>).MakeGenericType(ienumerableType.GetGenericArguments());
mock = MockCollection.Create(returnType, repository, replicator, (IEnumerable)MockingUtil.CreateInstance(listType));
}
if (mock == null && mustReturnAMock)
{
#if !LITE_EDITION
var stackTrace = new StackTrace();
var methodCallingArrange = stackTrace.EnumerateFrames()
.SkipWhile(m => !Attribute.IsDefined(m, typeof(ArrangeMethodAttribute)))
.SkipWhile(m => m.Module.Assembly == typeof(MocksRepository).Assembly)
.FirstOrDefault();
if (methodCallingArrange != null && invocation.Method.DeclaringType.IsAssignableFrom(methodCallingArrange.DeclaringType))
{
return;
}
#endif
if (typeof(String) == returnType)
{
mock = String.Empty;
}
else
{
try
{
mock = replicator.CreateSimilarMock(repository, returnType, null, true, null);
}
catch (MockException)
{ }
}
}
}
if (mock == null)
{
return;
}
if (mocksList == null)
{
mocksList = new List <KeyValuePair <object, object> >();
mocks.Add(invocation.Method, mocksList);
}
mocksList.Add(new KeyValuePair <object, object>(invocation.Instance, mock));
var mockMixin = MocksRepository.GetMockMixin(mock, null);
if (parentMock != null && mockMixin != null)
{
parentMock.DependentMocks.Add(mock);
}
}
invocation.ReturnValue = mock;
invocation.CallOriginal = false;
invocation.UserProvidedImplementation = true;
}
