swift-nio-transport-services/Tests/NIOTransportServicesTests/NIOTSBootstrapTests.swift

110 lines
3.5 KiB
Swift

//===----------------------------------------------------------------------===//
//
// This source file is part of the SwiftNIO open source project
//
// Copyright (c) 2019 Apple Inc. and the SwiftNIO project authors
// Licensed under Apache License v2.0
//
// See LICENSE.txt for license information
// See CONTRIBUTORS.txt for the list of SwiftNIO project authors
// swift-tools-version:4.0
//
// swift-tools-version:4.0
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//
#if canImport(Network)
import XCTest
import Network
import NIO
import NIOTransportServices
import NIOConcurrencyHelpers
import Foundation
@available(OSX 10.14, iOS 12.0, tvOS 12.0, *)
final class NIOTSBootstrapTests: XCTestCase {
var groupBag: [NIOTSEventLoopGroup]? = nil // protected by `self.lock`
let lock = Lock()
override func setUp() {
self.lock.withLock {
XCTAssertNil(self.groupBag)
self.groupBag = []
}
}
override func tearDown() {
XCTAssertNoThrow(try self.lock.withLock {
guard let groupBag = self.groupBag else {
XCTFail()
return
}
XCTAssertNoThrow(try groupBag.forEach {
XCTAssertNoThrow(try $0.syncShutdownGracefully())
})
self.groupBag = nil
})
}
func freshEventLoop() -> EventLoop {
let group: NIOTSEventLoopGroup = .init(loopCount: 1, defaultQoS: .default)
self.lock.withLock {
self.groupBag!.append(group)
}
return group.next()
}
func testBootstrapsTolerateFuturesFromDifferentEventLoopsReturnedInInitializers() throws {
let childChannelDone = self.freshEventLoop().makePromise(of: Void.self)
let serverChannelDone = self.freshEventLoop().makePromise(of: Void.self)
let serverChannel = try assertNoThrowWithValue(NIOTSListenerBootstrap(group: self.freshEventLoop())
.childChannelInitializer { channel in
channel.eventLoop.preconditionInEventLoop()
defer {
childChannelDone.succeed(())
}
return self.freshEventLoop().makeSucceededFuture(())
}
.serverChannelInitializer { channel in
channel.eventLoop.preconditionInEventLoop()
defer {
serverChannelDone.succeed(())
}
return self.freshEventLoop().makeSucceededFuture(())
}
.bind(host: "127.0.0.1", port: 0)
.wait())
defer {
XCTAssertNoThrow(try serverChannel.close().wait())
}
let client = try assertNoThrowWithValue(NIOTSConnectionBootstrap(group: self.freshEventLoop())
.channelInitializer { channel in
channel.eventLoop.preconditionInEventLoop()
return self.freshEventLoop().makeSucceededFuture(())
}
.connect(to: serverChannel.localAddress!)
.wait())
defer {
XCTAssertNoThrow(try client.syncCloseAcceptingAlreadyClosed())
}
XCTAssertNoThrow(try childChannelDone.futureResult.wait())
XCTAssertNoThrow(try serverChannelDone.futureResult.wait())
}
}
extension Channel {
func syncCloseAcceptingAlreadyClosed() throws {
do {
try self.close().wait()
} catch ChannelError.alreadyClosed {
/* we're happy with this one */
} catch let e {
throw e
}
}
}
#endif