Add GIDFakeAuthorizationFlowProcessor

GoogleSignIn/Sources/GIDAuthorizationFlowProcessor/Implementations/Fakes/GIDFakeAuthorizationFlowProcessor.h

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * 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 "GoogleSignIn/Sources/GIDAuthorizationFlowProcessor/API/GIDAuthorizationFlowProcessor.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+/// The block which provides the response for the method `startWithOptions:emmSupport:completion:`.
+///
+/// @param data The OIDAuthorizationResponse object returned if succeed,
+/// @param error The error returned if failed.
+typedef void(^GIDAuthorizationFlowProcessorFakeResponseProviderBlock)
+    (OIDAuthorizationResponse *_Nullable authorizationResponse, NSError *_Nullable error);
+
+/// The block to set up data based on the input request for the method
+/// `startWithOptions:emmSupport:completion:`.
+///
+/// @param responseProvider The block which provides the response.
+typedef void (^GIDAuthorizationFlowProcessorTestBlock)
+    (GIDAuthorizationFlowProcessorFakeResponseProviderBlock responseProvider);
+
+@interface GIDFakeAuthorizationFlowProcessor : NSObject <GIDAuthorizationFlowProcessor>
+
+/// Set the test block which provides the response value.
+- (void)setTestBlock:(GIDAuthorizationFlowProcessorTestBlock)block;
+
+@end
+
+NS_ASSUME_NONNULL_END
+

GoogleSignIn/Sources/GIDAuthorizationFlowProcessor/Implementations/Fakes/GIDFakeAuthorizationFlowProcessor.m

@@ -0,0 +1,34 @@
+#import "GoogleSignIn/Sources/GIDAuthorizationFlowProcessor/Implementations/Fakes/GIDFakeAuthorizationFlowProcessor.h"
+
+@interface GIDFakeAuthorizationFlowProcessor ()
+
+@property(nonatomic) GIDAuthorizationFlowProcessorTestBlock testBlock;
+
+@end
+
+@implementation GIDFakeAuthorizationFlowProcessor
+
+- (void)startWithOptions:(GIDSignInInternalOptions *)options
+              emmSupport:(nullable NSString *)emmSupport
+              completion:(void (^)(OIDAuthorizationResponse *_Nullable authorizationResponse,
+                                   NSError *_Nullable error))completion {
+  NSAssert(self.testBlock != nil, @"Set the test block before invoking this method.");
+  self.testBlock(^(OIDAuthorizationResponse *authorizationResponse, NSError *error) {
+    completion(authorizationResponse, error);
+  });
+}
+
+/// Not used in test for now.
+- (BOOL)isStarted {
+  return YES;
+}
+
+/// Not used in test for now.
+- (BOOL)resumeExternalUserAgentFlowWithURL:(NSURL *)url {
+  return YES;
+}
+
+/// Not used in test for now.
+- (void)cancelAuthenticationFlow {}
+
+@end