mirror of
https://github.com/firebase/firebase-ios-sdk
synced 2026-11-11 22:55:59 +05:45
Tejas Deshpande
96438c722b
* Import the Swizzler sources into github * Add subspecs to GoogleUtilities podspec * Add post install step to test Podfile to add the preprocessor flags required for testing. * Add the swizzler tests (except the flaky GULAppDelegateSwizzlerTest) to the Xcode project * Add the AppDelegateSwizzler internal headers to the ios test header search path * Add license header to GULLoggerCodes.h * Fix/Suppress warnings in the framework. * Disable certain classes for tvOS and macOS as well fix some additional pod lib lint warnings. * Modify imports as well as add the required preprocessor flags to the test targets. * Run pod deintegrate.
91 lines
2.8 KiB
Objective-C
91 lines
2.8 KiB
Objective-C
// Copyright 2018 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import <XCTest/XCTest.h>
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#import <objc/runtime.h>
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#import <GoogleUtilities/GULRuntimeStateHelper.h>
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@interface GULRuntimeStateHelperTestHelperClass : NSObject
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@end
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@implementation GULRuntimeStateHelperTestHelperClass
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@end
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@interface GULRuntimeStateHelperTests : XCTestCase
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@end
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@implementation GULRuntimeStateHelperTests
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- (void)testCaptureRuntimeState {
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NSUInteger snapshot1 = 0;
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XCTAssertNoThrow(snapshot1 = [GULRuntimeStateHelper captureRuntimeState]);
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}
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- (void)testDiffBetweenFirstSnapshotSecondSnapshot {
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NSUInteger snapshot1 = [GULRuntimeStateHelper captureRuntimeState];
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NSString *newClassName = [NSStringFromClass([self class]) stringByAppendingString:@"_gen"];
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Class newSubclass = objc_allocateClassPair([self class], [newClassName UTF8String], 0);
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objc_registerClassPair(newSubclass);
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Method dummyMethod = class_getInstanceMethod([self class], @selector(dummyMethod));
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IMP originalIMP = method_getImplementation(dummyMethod);
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NSString *originalIMPString = [NSString stringWithFormat:@"%p", originalIMP];
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IMP newIMP = imp_implementationWithBlock((NSString *)^(id _self) {
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return @"Goodbye!";
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});
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method_setImplementation(dummyMethod, newIMP);
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NSUInteger snapshot2 = [GULRuntimeStateHelper captureRuntimeState];
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GULRuntimeDiff *diff = [GULRuntimeStateHelper diffBetween:snapshot1 secondSnapshot:snapshot2];
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BOOL found = NO;
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for (NSString *class in diff.addedClasses) {
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if ([class isEqualToString:newClassName]) {
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found = YES;
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break;
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}
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}
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XCTAssertTrue(found, @"The generated class above should be found in the list of added classes");
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found = NO;
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for (GULRuntimeClassDiff *classDiff in diff.classDiffs) {
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for (NSString *modifiedIMP in classDiff.modifiedImps) {
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if ([modifiedIMP containsString:originalIMPString]) {
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found = YES;
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break;
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}
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}
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}
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XCTAssertTrue(found,
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@"One of the classdiffs should contain the address of the original IMP of "
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"the method that was modified above");
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}
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#pragma mark - Helper methods
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/** Exists to just be swizzled, to test detection capability.
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*
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* @return The string "Hello!".
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*/
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- (NSString *)dummyMethod {
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return @"Hello!";
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}
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@end
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