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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 "Firestore/Source/Remote/FSTDatastore.h"
#include "Firestore/core/src/firebase/firestore/model/snapshot_version.h"
NS_ASSUME_NONNULL_BEGIN
@interface FSTMockDatastore : FSTDatastore
/**
* A count of the total number of requests sent to the watch stream since the beginning of the test
* case.
*/
@property(nonatomic) int watchStreamRequestCount;
/**
* A count of the total number of requests sent to the write stream since the beginning of the test
* case.
*/
@property(nonatomic) int writeStreamRequestCount;
#pragma mark - Watch Stream manipulation.
/** Injects an Added WatchChange containing the given targetIDs. */
- (void)writeWatchTargetAddedWithTargetIDs:(NSArray<FSTBoxedTargetID *> *)targetIDs;
/** Injects an Added WatchChange that marks the given targetIDs current. */
- (void)writeWatchCurrentWithTargetIDs:(NSArray<FSTBoxedTargetID *> *)targetIDs
snapshotVersion:
(const firebase::firestore::model::SnapshotVersion &)snapshotVersion
resumeToken:(NSData *)resumeToken;
/** Injects a WatchChange as though it had come from the backend. */
- (void)writeWatchChange:(FSTWatchChange *)change
snapshotVersion:(const firebase::firestore::model::SnapshotVersion &)snap;
/** Injects a stream failure as though it had come from the backend. */
- (void)failWatchStreamWithError:(NSError *)error;
/** Returns the set of active targets on the watch stream. */
- (NSDictionary<FSTBoxedTargetID *, FSTQueryData *> *)activeTargets;
/** Helper method to expose watch stream state to verify in tests. */
- (BOOL)isWatchStreamOpen;
#pragma mark - Write Stream manipulation.
/**
* Returns the next write that was "sent to the backend", failing if there are no queued sent
*/
- (NSArray<FSTMutation *> *)nextSentWrite;
/** Returns the number of writes that have been sent to the backend but not waited on yet. */
- (int)writesSent;
/** Injects a write ack as though it had come from the backend in response to a write. */
- (void)ackWriteWithVersion:(const firebase::firestore::model::SnapshotVersion &)commitVersion
mutationResults:(NSArray<FSTMutationResult *> *)results;
/** Injects a stream failure as though it had come from the backend. */
- (void)failWriteWithError:(NSError *_Nullable)error;
@end
NS_ASSUME_NONNULL_END
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