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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 "Local/FSTWriteGroup.h"
#import <XCTest/XCTest.h>
#include <leveldb/db.h>
#import "Local/FSTLevelDB.h"
#import "Local/FSTLevelDBKey.h"
#import "Protos/objc/firestore/local/Mutation.pbobjc.h"
#import "FSTPersistenceTestHelpers.h"
using leveldb::ReadOptions;
using leveldb::Status;
NS_ASSUME_NONNULL_BEGIN
@interface FSTWriteGroupTests : XCTestCase
@end
@implementation FSTWriteGroupTests {
FSTLevelDB *_db;
}
- (void)setUp {
[super setUp];
_db = [FSTPersistenceTestHelpers levelDBPersistence];
}
- (void)tearDown {
_db = nil;
[super tearDown];
}
- (void)testCommit {
std::string key = [FSTLevelDBMutationKey keyWithUserID:"user1" batchID:42];
FSTPBWriteBatch *message = [FSTPBWriteBatch message];
message.batchId = 42;
// This is a test that shows that committing an empty group does not fail. There are no side
// effects to verify though.
FSTWriteGroup *group = [_db startGroupWithAction:@"Empty commit"];
XCTAssertNoThrow([_db commitGroup:group]);
group = [_db startGroupWithAction:@"Put"];
[group setMessage:message forKey:key];
std::string value;
Status status = _db.ptr->Get(ReadOptions(), key, &value);
XCTAssertTrue(status.IsNotFound());
[_db commitGroup:group];
status = _db.ptr->Get(ReadOptions(), key, &value);
XCTAssertTrue(status.ok());
group = [_db startGroupWithAction:@"Delete"];
[group removeMessageForKey:key];
status = _db.ptr->Get(ReadOptions(), key, &value);
XCTAssertTrue(status.ok());
[_db commitGroup:group];
status = _db.ptr->Get(ReadOptions(), key, &value);
XCTAssertTrue(status.IsNotFound());
}
- (void)testDescription {
std::string key = [FSTLevelDBMutationKey keyWithUserID:"user1" batchID:42];
FSTPBWriteBatch *message = [FSTPBWriteBatch message];
message.batchId = 42;
FSTWriteGroup *group = [FSTWriteGroup groupWithAction:@"Action"];
XCTAssertEqualObjects([group description], @"<FSTWriteGroup for Action: 0 changes (0 bytes):>");
[group setMessage:message forKey:key];
XCTAssertEqualObjects([group description],
@"<FSTWriteGroup for Action: 1 changes (2 bytes):\n"
" - Put [mutation: userID=user1 batchID=42] (2 bytes)>");
[group removeMessageForKey:key];
XCTAssertEqualObjects([group description],
@"<FSTWriteGroup for Action: 2 changes (2 bytes):\n"
" - Put [mutation: userID=user1 batchID=42] (2 bytes)\n"
" - Delete [mutation: userID=user1 batchID=42]>");
}
- (void)testCommittingWrongGroupThrows {
// If you don't create the group through persistence, it should throw.
FSTWriteGroup *group = [FSTWriteGroup groupWithAction:@"group"];
XCTAssertThrows([_db commitGroup:group]);
}
- (void)testCommittingTwiceThrows {
FSTWriteGroup *group = [_db startGroupWithAction:@"group"];
[_db commitGroup:group];
XCTAssertThrows([_db commitGroup:group]);
}
- (void)testNestingGroupsThrows {
[_db startGroupWithAction:@"group1"];
XCTAssertThrows([_db startGroupWithAction:@"group2"]);
}
@end
NS_ASSUME_NONNULL_END
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