private void InitializeInstance()
{
PexProtector.Invoke(() =>
{
if (this.IsDelegateMock)
{
// We're mocking a delegate.
// Firstly, get/create an interface with a method whose signature
// matches that of the delegate.
var delegateInterfaceType = proxyFactory.GetDelegateProxyInterface(typeof(T), out delegateInterfaceMethod);
// Then create a proxy for that.
var delegateProxy = proxyFactory.CreateProxy(
delegateInterfaceType,
this.Interceptor,
this.ImplementedInterfaces.ToArray(),
this.constructorArguments);
// Then our instance is a delegate of the desired type, pointing at the
// appropriate method on that proxied interface instance.
this.instance = (T)(object)Delegate.CreateDelegate(typeof(T), delegateProxy, delegateInterfaceMethod);
}
else
{
this.instance = (T)proxyFactory.CreateProxy(
typeof(T),
this.Interceptor,
this.ImplementedInterfaces.ToArray(),
this.constructorArguments);
}
});
}
internal static MethodCallReturn <T, TResult> Setup <T, TResult>(
Mock <T> mock,
Expression <Func <T, TResult> > expression,
Condition condition)
where T : class
{
return(PexProtector.Invoke(() =>
{
if (expression.IsProperty())
{
return SetupGet(mock, expression, condition);
}
var methodCall = expression.GetCallInfo(mock);
var method = methodCall.Method;
var args = methodCall.Arguments.ToArray();
ThrowIfNotMember(expression, method);
ThrowIfCantOverride(expression, method);
var call = new MethodCallReturn <T, TResult>(mock, condition, expression, method, args);
var targetInterceptor = GetInterceptor(methodCall.Object, mock);
targetInterceptor.AddCall(call, SetupKind.Other);
return call;
}));
}
internal static MethodCallReturn <T, TProperty> SetupGet <T, TProperty>(
Mock <T> mock,
Expression <Func <T, TProperty> > expression,
Condition condition)
where T : class
{
return(PexProtector.Invoke(() =>
{
if (expression.IsPropertyIndexer())
{
// Treat indexers as regular method invocations.
return Setup <T, TProperty>(mock, expression, condition);
}
var prop = expression.ToPropertyInfo();
ThrowIfPropertyNotReadable(prop);
var propGet = prop.GetGetMethod(true);
ThrowIfCantOverride(expression, propGet);
var call = new MethodCallReturn <T, TProperty>(mock, condition, expression, propGet, new Expression[0]);
// Directly casting to MemberExpression is fine as ToPropertyInfo would throw if it wasn't
var targetInterceptor = GetInterceptor(((MemberExpression)expression.Body).Expression, mock);
targetInterceptor.AddCall(call, SetupKind.Other);
return call;
}));
}
internal static void SetupAllProperties(Mock mock)
{
PexProtector.Invoke(() =>
{
var mockType = mock.MockedType;
var properties = mockType.GetProperties()
.Concat(mockType.GetInterfaces().SelectMany(i => i.GetProperties()))
.Where(p =>
p.CanRead && p.CanWrite &&
p.GetIndexParameters().Length == 0 &&
p.CanOverrideGet() && p.CanOverrideSet())
.Distinct();
var method = mock.GetType().GetMethods()
.First(m => m.Name == "SetupProperty" && m.GetParameters().Length == 2);
foreach (var property in properties)
{
var expression = GetPropertyExpression(mockType, property);
var initialValue = mock.DefaultValueProvider.ProvideDefault(property.GetGetMethod());
var mocked = initialValue as IMocked;
if (mocked != null)
{
SetupAllProperties(mocked.Mock);
}
method.MakeGenericMethod(property.PropertyType)
.Invoke(mock, new[] { expression, initialValue });
}
});
}
internal static NonVoidSetupPhrase <T, TResult> Setup <T, TResult>(
Mock <T> mock,
Expression <Func <T, TResult> > expression,
Condition condition)
where T : class
{
return(PexProtector.Invoke(SetupPexProtected, mock, expression, condition));
}
internal static SetterMethodCall <T, TProperty> SetupSet <T, TProperty>(
Mock <T> mock,
Action <T> setterExpression,
Condition condition)
where T : class
{
return(PexProtector.Invoke(SetupSetPexProtected <T, TProperty>, mock, setterExpression, condition));
}
internal static void SetupAllProperties(Mock mock)
{
PexProtector.Invoke(() =>
{
var mockedTypesStack = new Stack <Type>();
SetupAllProperties(mock, mockedTypesStack);
});
}
internal static MethodCallReturn <T, TProperty> SetupGet <T, TProperty>(
Mock <T> mock,
Expression <Func <T, TProperty> > expression,
Condition condition)
where T : class
{
return(PexProtector.Invoke(SetupGetPexProtected, mock, expression, condition));
}
private void InitializeInstance()
{
PexProtector.Invoke(() =>
{
this.instance = proxyFactory.CreateProxy <T>(
this.Interceptor,
this.ImplementedInterfaces.ToArray(),
this.constructorArguments);
});
}
internal static void SetupAllProperties(Mock mock)
{
PexProtector.Invoke(SetupAllPropertiesPexProtected, mock, mock.DefaultValueProvider);
// ^^^^^^^^^^^^^^^^^^^^^^^^^
// `SetupAllProperties` no longer performs eager recursive property setup like in previous versions.
// If `mock` uses `DefaultValue.Mock`, mocked sub-objects are now only constructed when queried for
// the first time. In order for `SetupAllProperties`'s new mode of operation to be indistinguishable
// from how it worked previously, it's important to capture the default value provider at this precise
// moment, since it might be changed later (before queries to properties of a mockable type).
}
internal static void SetupAllProperties(Mock mock)
{
PexProtector.Invoke(() =>
{
var mockType = mock.MockedType;
var properties = mockType.GetProperties()
.Concat(mockType.GetInterfaces().SelectMany(i => i.GetProperties()))
.Where(p =>
p.CanRead && p.CanOverrideGet() &&
p.GetIndexParameters().Length == 0 &&
p.PropertyType != mockType &&
!(p.CanWrite ^ (p.CanWrite & p.CanOverrideSet())))
.Distinct();
var setupPropertyMethod = mock.GetType().GetMethods()
.First(m => m.Name == "SetupProperty" && m.GetParameters().Length == 2);
var setupGetMethod = mock.GetType().GetMethods()
.First(m => m.Name == "SetupGet" && m.GetParameters().Length == 1);
foreach (var property in properties)
{
var expression = GetPropertyExpression(mockType, property);
var initialValue = mock.DefaultValueProvider.ProvideDefault(property.GetGetMethod());
var mocked = initialValue as IMocked;
if (mocked != null)
{
SetupAllProperties(mocked.Mock);
}
if (property.CanWrite)
{
setupPropertyMethod.MakeGenericMethod(property.PropertyType)
.Invoke(mock, new[] { expression, initialValue });
}
else
{
var genericSetupGetMethod = setupGetMethod.MakeGenericMethod(property.PropertyType);
var returnsMethod =
genericSetupGetMethod
.ReturnType
.GetInterface("IReturnsGetter`2", ignoreCase: false)
.GetMethod("Returns", new Type[] { property.PropertyType });
var returnsGetter = genericSetupGetMethod.Invoke(mock, new[] { expression });
returnsMethod.Invoke(returnsGetter, new[] { initialValue });
}
}
});
}
internal static MethodCall <T> SetupSet <T>(Mock <T> mock, Action <T> setterExpression, Condition condition)
where T : class
{
return(PexProtector.Invoke(() =>
{
return SetupSetImpl <T, MethodCall <T> >(
mock,
setterExpression,
(m, expr, method, values) =>
{
var call = new MethodCall <T>(m, condition, expr, method, values);
m.Interceptor.AddCall(call, SetupKind.PropertySet);
return call;
});
}));
}
internal static MethodCall <T> Setup <T>(Mock <T> mock, Expression <Action <T> > expression, Condition condition)
where T : class
{
return(PexProtector.Invoke(() =>
{
var methodCall = expression.GetCallInfo(mock);
var method = methodCall.Method;
var args = methodCall.Arguments.ToArray();
ThrowIfSetupExpressionInvolvesUnsupportedMember(expression, method);
var call = new MethodCall <T>(mock, condition, expression, method, args);
var targetInterceptor = GetInterceptor(methodCall.Object, mock);
targetInterceptor.AddCall(call, SetupKind.Other);
return call;
}));
}
internal static SetterMethodCall <T, TProperty> SetupSet <T, TProperty>(
Mock <T> mock,
Action <T> setterExpression,
Func <bool> condition)
where T : class
{
return(PexProtector.Invoke(() =>
{
return SetupSetImpl <T, SetterMethodCall <T, TProperty> >(
mock,
setterExpression,
(m, expr, method, value) =>
{
var call = new SetterMethodCall <T, TProperty>(m, condition, expr, method, value[0]);
m.Interceptor.AddCall(call, SetupKind.PropertySet);
return call;
});
}));
}
internal static MethodCall <T> Setup <T>(Mock mock, Expression <Action <T> > expression, Func <bool> condition)
where T : class
{
return(PexProtector.Invoke(() =>
{
var methodCall = expression.ToMethodCall();
var method = methodCall.Method;
var args = methodCall.Arguments.ToArray();
ThrowIfNotMember(expression, method);
ThrowIfCantOverride(expression, method);
var call = new MethodCall <T>(mock, condition, expression, method, args);
var targetInterceptor = GetInterceptor(methodCall.Object, mock);
targetInterceptor.AddCall(call, SetupKind.Other);
return call;
}));
}
internal static VoidSetupPhrase <T> SetupSet <T>(Mock <T> mock, Action <T> setterExpression, Condition condition)
where T : class
{
return(PexProtector.Invoke(SetupSetPexProtected, mock, setterExpression, condition));
}
internal static MethodCall SetupGet(Mock mock, LambdaExpression expression, Condition condition)
{
return(PexProtector.Invoke(SetupGetPexProtected, mock, expression, condition));
}
internal static MethodCall SetupSet(Mock mock, Delegate setterExpression, Condition condition)
{
return(PexProtector.Invoke(SetupSetPexProtected, mock, setterExpression, condition));
}
internal static MethodCall <T> Setup <T>(Mock <T> mock, Expression <Action <T> > expression, Condition condition)
where T : class
{
return(PexProtector.Invoke(SetupPexProtected, mock, expression, condition));
}