text: /*
   * Copyright 2020 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 <XCTest/XCTest.h>
  
  #import "GoogleDataTransport/GDTCORLibrary/Public/GoogleDataTransport/GDTCORStorageProtocol.h"
  
  NS_ASSUME_NONNULL_BEGIN
  
  typedef void (^GDTCCTTestStorageBatchHandler)(GDTCORStorageEventSelector *_Nullable eventSelector,
                                                NSDate *_Nullable expiration,
                                                GDTCORStorageBatchBlock _Nullable completion);
  
  typedef void (^GDTCCTTestStorageHasEventsCompletion)(BOOL hasEvents);
  typedef void (^GDTCCTTestStorageHasEventsHandler)(GDTCORTarget target,
                                                    GDTCCTTestStorageHasEventsCompletion completion);
  
  @interface GDTCCTTestStorage : NSObject <GDTCORStorageProtocol>
  
  #pragma mark - Method call expectations.
  
  @property(nonatomic, nullable) XCTestExpectation *batchWithEventSelectorExpectation;
  @property(nonatomic, nullable) XCTestExpectation *removeBatchAndDeleteEventsExpectation;
  @property(nonatomic, nullable) XCTestExpectation *removeBatchWithoutDeletingEventsExpectation;
  @property(nonatomic, nullable) XCTestExpectation *batchIDsForTargetExpectation;
  
  #pragma mark - Blocks to provide custom implementations for the methods.
  
  /// A block to override `batchWithEventSelector:batchExpiration:onComplete:` implementation.
  @property(nonatomic, copy, nullable) GDTCCTTestStorageBatchHandler batchWithEventSelectorHandler;
  /// A block to override `hasEventsForTarget:onComplete:` implementation.
  @property(nonatomic, copy, nullable) GDTCCTTestStorageHasEventsHandler hasEventsForTargetHandler;
  
  #pragma mark - Default test implementations
  
  /// Default test implementation for `batchWithEventSelector:batchExpiration:onComplete:`  method.
  - (void)defaultBatchWithEventSelector:(nonnull GDTCORStorageEventSelector *)eventSelector
                        batchExpiration:(nonnull NSDate *)expiration
                             onComplete:(nonnull GDTCORStorageBatchBlock)onComplete;
  
  @end
  
  NS_ASSUME_NONNULL_END
  