yorkie-ios-sdk/Tests/Unit/Document/DocumentConcurrentAccessTes...

74 lines
2.1 KiB
Swift

/*
* Copyright 2022 The Yorkie Authors. All rights reserved.
*
* 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 Combine
import XCTest
@testable import Yorkie
class DocumentConcurrentAccessTests: XCTestCase {
func test_there_is_no_race_condition() async throws {
let testLoopCount = 500
let expect = expectation(description: "")
expect.expectedFulfillmentCount = 5 * testLoopCount
let target = Document(key: "doc-1")
for index in 0 ..< testLoopCount {
Task.detached(priority: .utility) {
try await target.update { root in
root.k1 = "\(index)"
}
expect.fulfill()
}
Task.detached(priority: .userInitiated) {
try await target.update { root in
root.k1 = "\(index)"
}
expect.fulfill()
}
Task.detached(priority: .low) {
try await target.update { root in
root.k1 = "\(index)"
}
expect.fulfill()
}
Task.detached(priority: .high) {
try await target.update { root in
root.k1 = "\(index)"
}
expect.fulfill()
}
Task.detached(priority: .background) {
try await target.update { root in
root.k1 = "\(index)"
}
expect.fulfill()
}
}
wait(for: [expect], timeout: 100)
}
}