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/*
* Copyright 2017 Google
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file 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 <Foundation/Foundation.h>
#import <OCMock/OCMock.h>
#import <SafariServices/SafariServices.h>
#import <XCTest/XCTest.h>
#import "FIRAuthUIDelegate.h"
#import "FIRAuthURLPresenter.h"
#import "FIRAuthWebViewController.h"
/** @var kExpectationTimeout
@brief The maximum time waiting for expectations to fulfill.
*/
static NSTimeInterval kExpectationTimeout = 1;
@interface FIRAuthDefaultUIDelegate : NSObject <FIRAuthUIDelegate>
/** @fn defaultUIDelegate
@brief Returns a default FIRAuthUIDelegate object.
@return The default FIRAuthUIDelegate object.
*/
+ (id<FIRAuthUIDelegate>)defaultUIDelegate;
@end
@interface FIRAuthURLPresenterTests : XCTestCase
@end
@implementation FIRAuthURLPresenterTests
/** @fn testFIRAuthURLPresenterNonNilUIDelegate
@brief Tests @c FIRAuthURLPresenter class showing UI with a non-nil UIDelegate.
*/
- (void)testFIRAuthURLPresenterNonNilUIDelegate {
[self testFIRAuthURLPresenterUsingDefaultUIDelegate:NO];
}
/** @fn testFIRAuthURLPresenterNilUIDelegate
@brief Tests @c FIRAuthURLPresenter class showing UI with a nil UIDelegate.
*/
- (void)testFIRAuthURLPresenterNilUIDelegate {
[self testFIRAuthURLPresenterUsingDefaultUIDelegate:YES];
}
/** @fn testFIRAuthURLPresenterUsingDefaultUIDelegate:
@brief Tests @c FIRAuthURLPresenter class showing UIe.
@param usesDefaultUIDelegate Whether or not to test the default UI delegate.
*/
- (void)testFIRAuthURLPresenterUsingDefaultUIDelegate:(BOOL)usesDefaultUIDelegate {
id mockUIDelegate = OCMProtocolMock(@protocol(FIRAuthUIDelegate));
NSURL *presenterURL = [NSURL URLWithString:@"https://presenter.url"];
FIRAuthURLPresenter *presenter = [[FIRAuthURLPresenter alloc] init];
if (usesDefaultUIDelegate) {
id mockDefaultUIDelegateClass = OCMClassMock([FIRAuthDefaultUIDelegate class]);
OCMStub(ClassMethod([mockDefaultUIDelegateClass defaultUIDelegate])).andReturn(mockUIDelegate);
}
__block XCTestExpectation *callbackMatcherExpectation;
FIRAuthURLCallbackMatcher callbackMatcher = ^BOOL(NSURL *_Nonnull callbackURL) {
XCTAssertNotNil(callbackMatcherExpectation);
XCTAssertEqualObjects(callbackURL, presenterURL);
[callbackMatcherExpectation fulfill];
return YES;
};
__block XCTestExpectation *completionBlockExpectation;
FIRAuthURLPresentationCompletion completionBlock = ^(NSURL *_Nullable callbackURL,
NSError *_Nullable error) {
XCTAssertNotNil(completionBlockExpectation);
XCTAssertEqualObjects(callbackURL, presenterURL);
XCTAssertNil(error);
[completionBlockExpectation fulfill];
};
XCTestExpectation *UIPresentationExpectation = [self expectationWithDescription:@"present UI"];
OCMExpect([mockUIDelegate presentViewController:[OCMArg any]
animated:YES
completion:nil]).andDo(^(NSInvocation *invocation) {
XCTAssertTrue([NSThread isMainThread]);
__unsafe_unretained id unretainedArgument;
// Indices 0 and 1 indicate the hidden arguments self and _cmd.
// `presentViewController` is at index 2.
[invocation getArgument:&unretainedArgument atIndex:2];
id presentViewController = unretainedArgument;
if ([SFSafariViewController class]) {
SFSafariViewController *viewController = presentViewController;
XCTAssertTrue([viewController isKindOfClass:[SFSafariViewController class]]);
XCTAssertEqual(viewController.delegate, presenter);
} else {
UINavigationController *navigationController = presentViewController;
XCTAssertTrue([navigationController isKindOfClass:[UINavigationController class]]);
FIRAuthWebViewController *webViewController =
navigationController.viewControllers.firstObject;
XCTAssertTrue([webViewController isKindOfClass:[FIRAuthWebViewController class]]);
}
[UIPresentationExpectation fulfill];
});
// Present the content.
[presenter presentURL:presenterURL
UIDelegate:usesDefaultUIDelegate ? nil : mockUIDelegate
callbackMatcher:callbackMatcher
completion:completionBlock];
[self waitForExpectationsWithTimeout:kExpectationTimeout handler:nil];
OCMVerifyAll(mockUIDelegate);
// Pretend dismissing view controller.
OCMExpect([mockUIDelegate dismissViewControllerAnimated:OCMOCK_ANY
completion:OCMOCK_ANY])
.andDo(^(NSInvocation *invocation) {
XCTAssertTrue([NSThread isMainThread]);
__unsafe_unretained id unretainedArgument;
// Indices 0 and 1 indicate the hidden arguments self and _cmd.
// `completion` is at index 3.
[invocation getArgument:&unretainedArgument atIndex:3];
void (^completion)() = unretainedArgument;
dispatch_async(dispatch_get_main_queue(), completion);
});
completionBlockExpectation = [self expectationWithDescription:@"completion callback"];
callbackMatcherExpectation = [self expectationWithDescription:@"callbackMatcher callback"];
// Close the presented content.
XCTAssertTrue([presenter canHandleURL:presenterURL]);
[self waitForExpectationsWithTimeout:kExpectationTimeout handler:nil];
OCMVerifyAll(mockUIDelegate);
}
@end
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