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Diffstat (limited to 'Firestore/Example/Tests/Local/FSTLevelDBMigrationsTests.mm')
-rw-r--r-- | Firestore/Example/Tests/Local/FSTLevelDBMigrationsTests.mm | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/Firestore/Example/Tests/Local/FSTLevelDBMigrationsTests.mm b/Firestore/Example/Tests/Local/FSTLevelDBMigrationsTests.mm new file mode 100644 index 0000000..8ef0e94 --- /dev/null +++ b/Firestore/Example/Tests/Local/FSTLevelDBMigrationsTests.mm @@ -0,0 +1,75 @@ +/* + * Copyright 2018 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 <XCTest/XCTest.h> +#include <leveldb/db.h> + +#import "Firestore/Protos/objc/firestore/local/Target.pbobjc.h" +#import "Firestore/Source/Local/FSTLevelDBMigrations.h" +#import "Firestore/Source/Local/FSTLevelDBQueryCache.h" + +#import "Firestore/Example/Tests/Local/FSTPersistenceTestHelpers.h" + +NS_ASSUME_NONNULL_BEGIN + +using leveldb::DB; +using leveldb::Options; +using leveldb::Status; + +@interface FSTLevelDBMigrationsTests : XCTestCase +@end + +@implementation FSTLevelDBMigrationsTests { + std::shared_ptr<DB> _db; +} + +- (void)setUp { + Options options; + options.error_if_exists = true; + options.create_if_missing = true; + + NSString *dir = [FSTPersistenceTestHelpers levelDBDir]; + DB *db; + Status status = DB::Open(options, [dir UTF8String], &db); + XCTAssert(status.ok(), @"Failed to create db: %s", status.ToString().c_str()); + _db.reset(db); +} + +- (void)tearDown { + _db.reset(); +} + +- (void)testAddsTargetGlobal { + FSTPBTargetGlobal *metadata = [FSTLevelDBQueryCache readTargetMetadataFromDB:_db]; + XCTAssertNil(metadata, @"Not expecting metadata yet, we should have an empty db"); + [FSTLevelDBMigrations runMigrationsOnDB:_db]; + metadata = [FSTLevelDBQueryCache readTargetMetadataFromDB:_db]; + XCTAssertNotNil(metadata, @"Migrations should have added the metadata"); +} + +- (void)testSetsVersionNumber { + FSTLevelDBSchemaVersion initial = [FSTLevelDBMigrations schemaVersionForDB:_db]; + XCTAssertEqual(0, initial, "No version should be equivalent to 0"); + + // Pick an arbitrary high migration number and migrate to it. + [FSTLevelDBMigrations runMigrationsOnDB:_db]; + FSTLevelDBSchemaVersion actual = [FSTLevelDBMigrations schemaVersionForDB:_db]; + XCTAssertGreaterThan(actual, 0, @"Expected to migrate to a schema version > 0"); +} + +@end + +NS_ASSUME_NONNULL_END |