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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 "Firestore/Source/Local/FSTRemoteDocumentChangeBuffer.h"
#import <XCTest/XCTest.h>
#import "Firestore/Source/Local/FSTLevelDB.h"
#import "Firestore/Source/Local/FSTRemoteDocumentCache.h"
#import "Firestore/Source/Model/FSTDocument.h"
#import "Firestore/Example/Tests/Local/FSTPersistenceTestHelpers.h"
#import "Firestore/Example/Tests/Util/FSTHelpers.h"
NS_ASSUME_NONNULL_BEGIN
@interface FSTRemoteDocumentChangeBufferTests : XCTestCase
@end
@implementation FSTRemoteDocumentChangeBufferTests {
FSTLevelDB *_db;
id<FSTRemoteDocumentCache> _remoteDocumentCache;
FSTRemoteDocumentChangeBuffer *_remoteDocumentBuffer;
FSTMaybeDocument *_kInitialADoc;
FSTMaybeDocument *_kInitialBDoc;
}
- (void)setUp {
[super setUp];
_db = [FSTPersistenceTestHelpers levelDBPersistence];
_remoteDocumentCache = [_db remoteDocumentCache];
// Add a couple initial items to the cache.
FSTWriteGroup *group = [_db startGroupWithAction:@"Add initial docs."];
_kInitialADoc = FSTTestDoc("coll/a", 42, @{@"test" : @"data"}, NO);
[_remoteDocumentCache addEntry:_kInitialADoc group:group];
_kInitialBDoc =
[FSTDeletedDocument documentWithKey:FSTTestDocKey(@"coll/b") version:FSTTestVersion(314)];
[_remoteDocumentCache addEntry:_kInitialBDoc group:group];
[_db commitGroup:group];
_remoteDocumentBuffer =
[FSTRemoteDocumentChangeBuffer changeBufferWithCache:_remoteDocumentCache];
}
- (void)tearDown {
_remoteDocumentBuffer = nil;
_remoteDocumentCache = nil;
_db = nil;
[super tearDown];
}
- (void)testReadUnchangedEntry {
XCTAssertEqualObjects([_remoteDocumentBuffer entryForKey:FSTTestDocKey(@"coll/a")],
_kInitialADoc);
}
- (void)testAddEntryAndReadItBack {
FSTMaybeDocument *newADoc = FSTTestDoc("coll/a", 43, @{@"new" : @"data"}, NO);
[_remoteDocumentBuffer addEntry:newADoc];
XCTAssertEqualObjects([_remoteDocumentBuffer entryForKey:FSTTestDocKey(@"coll/a")], newADoc);
// B should still be unchanged.
XCTAssertEqualObjects([_remoteDocumentBuffer entryForKey:FSTTestDocKey(@"coll/b")],
_kInitialBDoc);
}
- (void)testApplyChanges {
FSTMaybeDocument *newADoc = FSTTestDoc("coll/a", 43, @{@"new" : @"data"}, NO);
[_remoteDocumentBuffer addEntry:newADoc];
XCTAssertEqualObjects([_remoteDocumentBuffer entryForKey:FSTTestDocKey(@"coll/a")], newADoc);
// Reading directly against the cache should still yield the old result.
XCTAssertEqualObjects([_remoteDocumentCache entryForKey:FSTTestDocKey(@"coll/a")], _kInitialADoc);
FSTWriteGroup *group = [_db startGroupWithAction:@"Apply changes"];
[_remoteDocumentBuffer applyToWriteGroup:group];
[_db commitGroup:group];
// Reading against the cache should now yield the new result.
XCTAssertEqualObjects([_remoteDocumentCache entryForKey:FSTTestDocKey(@"coll/a")], newADoc);
}
- (void)testMethodsThrowAfterApply {
FSTWriteGroup *group = [_db startGroupWithAction:@"Apply changes"];
[_remoteDocumentBuffer applyToWriteGroup:group];
[_db commitGroup:group];
XCTAssertThrows([_remoteDocumentBuffer entryForKey:FSTTestDocKey(@"coll/a")]);
XCTAssertThrows([_remoteDocumentBuffer addEntry:_kInitialADoc]);
XCTAssertThrows([_remoteDocumentBuffer applyToWriteGroup:group]);
}
@end
NS_ASSUME_NONNULL_END
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