Update OCMock to 3e193f3c2d4ea4ada63df54c8ce98e7ea4cf768f

third_party/ocmock/OCMock/OCClassMockObject.m

-//---------------------------------------------------------------------------------------
-//  $Id$
-//  Copyright (c) 2005-2008 by Mulle Kybernetik. See License file for details.
-//---------------------------------------------------------------------------------------
+/*
+ *  Copyright (c) 2005-2015 Erik Doernenburg and contributors
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use these files except in compliance with the License. You may obtain
+ *  a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ *  License for the specific language governing permissions and limitations
+ *  under the License.
+ */
 
+#import <objc/runtime.h>
 #import "OCClassMockObject.h"
-
+#import "NSObject+OCMAdditions.h"
+#import "OCMFunctionsPrivate.h"
+#import "OCMInvocationStub.h"
+#import "NSMethodSignature+OCMAdditions.h"
 
 @implementation OCClassMockObject
 
 #pragma mark  Initialisers, description, accessors, etc.
 
 - (id)initWithClass:(Class)aClass
 {
+    NSParameterAssert(aClass != nil);
         [super init];
         mockedClass = aClass;
+    [self prepareClassForClassMethodMocking];
         return self;
 }
 
+- (void)dealloc
+{
+        [self stopMocking];
+        [super dealloc];
+}
+
 - (NSString *)description
 {
-        return [NSString stringWithFormat:@"OCMockObject[%@]", NSStringFromClass(mockedClass)];
+        return [NSString stringWithFormat:@"OCMockObject(%@)", NSStringFromClass(mockedClass)];
 }
 
 - (Class)mockedClass
 {
         return mockedClass;
 }
 
+#pragma mark  Extending/overriding superclass behaviour
+
+- (void)stopMocking
+{
+    if(originalMetaClass != nil)
+        [self restoreMetaClass];
+    [super stopMocking];
+}
+
+- (void)restoreMetaClass
+{
+    OCMSetAssociatedMockForClass(nil, mockedClass);
+    OCMSetIsa(mockedClass, originalMetaClass);
+    originalMetaClass = nil;
+}
+
+- (void)addStub:(OCMInvocationStub *)aStub
+{
+    [super addStub:aStub];
+    if([aStub recordedAsClassMethod])
+        [self setupForwarderForClassMethodSelector:[[aStub recordedInvocation] selector]];
+}
+
+
+#pragma mark  Class method mocking
+
+- (void)prepareClassForClassMethodMocking
+{
+    /* haven't figured out how to work around runtime dependencies on NSString, so exclude it for now */
+    if([[mockedClass class] isSubclassOfClass:[NSString class]])
+        return;
+
+    /* if there is another mock for this exact class, stop it */
+    id otherMock = OCMGetAssociatedMockForClass(mockedClass, NO);
+    if(otherMock != nil)
+        [otherMock restoreMetaClass];
+
+    OCMSetAssociatedMockForClass(self, mockedClass);
+
+    /* dynamically create a subclass and use its meta class as the meta class for the mocked class */
+    Class subclass = OCMCreateSubclass(mockedClass, mockedClass);
+    originalMetaClass = object_getClass(mockedClass);
+    id newMetaClass = object_getClass(subclass);
+    OCMSetIsa(mockedClass, OCMGetIsa(subclass));
+
+    /* point forwardInvocation: of the object to the implementation in the mock */
+    Method myForwardMethod = class_getInstanceMethod([self mockObjectClass], @selector(forwardInvocationForClassObject:));
+    IMP myForwardIMP = method_getImplementation(myForwardMethod);
+    class_addMethod(newMetaClass, @selector(forwardInvocation:), myForwardIMP, method_getTypeEncoding(myForwardMethod));
+
+    /* create a dummy initialize method */
+    Method myDummyInitializeMethod = class_getInstanceMethod([self mockObjectClass], @selector(initializeForClassObject));
+    const char *initializeTypes = method_getTypeEncoding(myDummyInitializeMethod);
+    IMP myDummyInitializeIMP = method_getImplementation(myDummyInitializeMethod);
+    class_addMethod(newMetaClass, @selector(initialize), myDummyInitializeIMP, initializeTypes);
+
+    /* adding forwarder for most class methods (instance methods on meta class) to allow for verify after run */
+    NSArray *methodBlackList = @[@"class", @"forwardingTargetForSelector:", @"methodSignatureForSelector:", @"forwardInvocation:", @"isBlock",
+            @"instanceMethodForwarderForSelector:", @"instanceMethodSignatureForSelector:"];
+    [NSObject enumerateMethodsInClass:originalMetaClass usingBlock:^(Class cls, SEL sel) {
+        if((cls == object_getClass([NSObject class])) || (cls == [NSObject class]) || (cls == object_getClass(cls)))
+            return;
+        NSString *className = NSStringFromClass(cls);
+        NSString *selName = NSStringFromSelector(sel);
+        if(([className hasPrefix:@"NS"] || [className hasPrefix:@"UI"]) &&
+           ([selName hasPrefix:@"_"] || [selName hasSuffix:@"_"]))
+            return;
+        if([methodBlackList containsObject:selName])
+            return;
+        @try
+        {
+            [self setupForwarderForClassMethodSelector:sel];
+        }
+        @catch(NSException *e)
+        {
+            // ignore for now
+        }
+    }];
+}
+
+- (void)setupForwarderForClassMethodSelector:(SEL)selector
+{
+    SEL aliasSelector = OCMAliasForOriginalSelector(selector);
+    if(class_getClassMethod(mockedClass, aliasSelector) != NULL)
+        return;
+
+    Method originalMethod = class_getClassMethod(mockedClass, selector);
+    IMP originalIMP = method_getImplementation(originalMethod);
+    const char *types = method_getTypeEncoding(originalMethod);
+
+    Class metaClass = object_getClass(mockedClass);
+    IMP forwarderIMP = [originalMetaClass instanceMethodForwarderForSelector:selector];
+    class_replaceMethod(metaClass, selector, forwarderIMP, types);
+    class_addMethod(metaClass, aliasSelector, originalIMP, types);
+}
+
+
+- (void)forwardInvocationForClassObject:(NSInvocation *)anInvocation
+{
+        // in here "self" is a reference to the real class, not the mock
+        OCClassMockObject *mock = OCMGetAssociatedMockForClass((Class) self, YES);
+    if(mock == nil)
+    {
+        [NSException raise:NSInternalInconsistencyException format:@"No mock for class %@", NSStringFromClass((Class)self)];
+    }
+        if([mock handleInvocation:anInvocation] == NO)
+    {
+        [anInvocation setSelector:OCMAliasForOriginalSelector([anInvocation selector])];
+        [anInvocation invoke];
+    }
+}
+
+- (void)initializeForClassObject
+{
+    // we really just want to have an implementation so that the superclass's is not called
+}
+
 
 #pragma mark  Proxy API
 
 - (NSMethodSignature *)methodSignatureForSelector:(SEL)aSelector
 {
-        return [mockedClass instanceMethodSignatureForSelector:aSelector];
+    NSMethodSignature *signature = [mockedClass instanceMethodSignatureForSelector:aSelector];
+    if(signature == nil)
+    {
+        NSString *property = NSStringFromSelector(aSelector);
+        signature = [NSMethodSignature signatureOfGetterForDynamicProperty:property inClass:mockedClass];
+    }
+    return signature;
+}
+
+- (Class)mockObjectClass
+{
+    return [super class];
+}
+
+- (Class)class
+{
+    return mockedClass;
 }
 
 - (BOOL)respondsToSelector:(SEL)selector
 {
     return [mockedClass instancesRespondToSelector:selector];
 }
 
+- (BOOL)isKindOfClass:(Class)aClass
+{
+    return [mockedClass isSubclassOfClass:aClass];
+}
+
+- (BOOL)conformsToProtocol:(Protocol *)aProtocol
+{
+    return class_conformsToProtocol(mockedClass, aProtocol);
+}
+
 @end
+
+
+#pragma mark  -
+
+/**
+ taken from:
+ `class-dump -f isNS /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator7.0.sdk/System/Library/Frameworks/CoreFoundation.framework`
+ 
+ @interface NSObject (__NSIsKinds)
+ - (_Bool)isNSValue__;
+ - (_Bool)isNSTimeZone__;
+ - (_Bool)isNSString__;
+ - (_Bool)isNSSet__;
+ - (_Bool)isNSOrderedSet__;
+ - (_Bool)isNSNumber__;
+ - (_Bool)isNSDictionary__;
+ - (_Bool)isNSDate__;
+ - (_Bool)isNSData__;
+ - (_Bool)isNSArray__;
+ */
+
+@implementation OCClassMockObject(NSIsKindsImplementation)
+
+- (BOOL)isNSValue__
+{
+    return [mockedClass isSubclassOfClass:[NSValue class]];
+}
+
+- (BOOL)isNSTimeZone__
+{
+    return [mockedClass isSubclassOfClass:[NSTimeZone class]];
+}
+
+- (BOOL)isNSSet__
+{
+    return [mockedClass isSubclassOfClass:[NSSet class]];
+}
+
+- (BOOL)isNSOrderedSet__
+{
+    return [mockedClass isSubclassOfClass:[NSOrderedSet class]];
+}
+
+- (BOOL)isNSNumber__
+{
+    return [mockedClass isSubclassOfClass:[NSNumber class]];
+}
+
+- (BOOL)isNSDate__
+{
+    return [mockedClass isSubclassOfClass:[NSDate class]];
+}
+
+- (BOOL)isNSString__
+{
+    return [mockedClass isSubclassOfClass:[NSString class]];
+}
+
+- (BOOL)isNSDictionary__
+{
+    return [mockedClass isSubclassOfClass:[NSDictionary class]];
+}
+
+- (BOOL)isNSData__
+{
+    return [mockedClass isSubclassOfClass:[NSData class]];
+}
+
+- (BOOL)isNSArray__
+{
+    return [mockedClass isSubclassOfClass:[NSArray class]];
+}
+
+@end