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AsyncAwaitEndToEndTests.swift
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//===----------------------------------------------------------------------===//
//
// This source file is part of the AsyncHTTPClient open source project
//
// Copyright (c) 2021 Apple Inc. and the AsyncHTTPClient project authors
// Licensed under Apache License v2.0
//
// See LICENSE.txt for license information
// See CONTRIBUTORS.txt for the list of AsyncHTTPClient project authors
//
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//
@testable import AsyncHTTPClient
import Logging
import NIOCore
import NIOPosix
import XCTest
private func makeDefaultHTTPClient(
eventLoopGroupProvider: HTTPClient.EventLoopGroupProvider = .createNew
) -> HTTPClient {
var config = HTTPClient.Configuration()
config.tlsConfiguration = .clientDefault
config.tlsConfiguration?.certificateVerification = .none
config.httpVersion = .automatic
return HTTPClient(
eventLoopGroupProvider: eventLoopGroupProvider,
configuration: config,
backgroundActivityLogger: Logger(label: "HTTPClient", factory: StreamLogHandler.standardOutput(label:))
)
}
final class AsyncAwaitEndToEndTests: XCTestCase {
func testSimpleGet() {
#if compiler(>=5.5) && canImport(_Concurrency)
guard #available(macOS 12.0, iOS 15.0, watchOS 8.0, tvOS 15.0, *) else { return }
XCTAsyncTest {
let bin = HTTPBin(.http2(compress: false))
defer { XCTAssertNoThrow(try bin.shutdown()) }
let client = makeDefaultHTTPClient()
defer { XCTAssertNoThrow(try client.syncShutdown()) }
let logger = Logger(label: "HTTPClient", factory: StreamLogHandler.standardOutput(label:))
let request = HTTPClientRequest(url: "https://localhost:\(bin.port)/get")
guard let response = await XCTAssertNoThrowWithResult(
try await client.execute(request, deadline: .now() + .seconds(10), logger: logger)
) else {
return
}
XCTAssertEqual(response.status, .ok)
XCTAssertEqual(response.version, .http2)
}
#endif
}
func testSimplePost() {
#if compiler(>=5.5) && canImport(_Concurrency)
guard #available(macOS 12.0, iOS 15.0, watchOS 8.0, tvOS 15.0, *) else { return }
XCTAsyncTest {
let bin = HTTPBin(.http2(compress: false))
defer { XCTAssertNoThrow(try bin.shutdown()) }
let client = makeDefaultHTTPClient()
defer { XCTAssertNoThrow(try client.syncShutdown()) }
let logger = Logger(label: "HTTPClient", factory: StreamLogHandler.standardOutput(label:))
let request = HTTPClientRequest(url: "https://localhost:\(bin.port)/get")
guard let response = await XCTAssertNoThrowWithResult(
try await client.execute(request, deadline: .now() + .seconds(10), logger: logger)
) else {
return
}
XCTAssertEqual(response.status, .ok)
XCTAssertEqual(response.version, .http2)
}
#endif
}
func testPostWithByteBuffer() {
#if compiler(>=5.5) && canImport(_Concurrency)
guard #available(macOS 12.0, iOS 15.0, watchOS 8.0, tvOS 15.0, *) else { return }
XCTAsyncTest {
let bin = HTTPBin(.http2(compress: false)) { _ in HTTPEchoHandler() }
defer { XCTAssertNoThrow(try bin.shutdown()) }
let client = makeDefaultHTTPClient()
defer { XCTAssertNoThrow(try client.syncShutdown()) }
let logger = Logger(label: "HTTPClient", factory: StreamLogHandler.standardOutput(label:))
var request = HTTPClientRequest(url: "https://localhost:\(bin.port)/")
request.method = .POST
request.body = .byteBuffer(ByteBuffer(string: "1234"))
guard let response = await XCTAssertNoThrowWithResult(
try await client.execute(request, deadline: .now() + .seconds(10), logger: logger)
) else { return }
XCTAssertEqual(response.headers["content-length"], ["4"])
guard let body = await XCTAssertNoThrowWithResult(
try await response.body.collect()
) else { return }
XCTAssertEqual(body, ByteBuffer(string: "1234"))
}
#endif
}
func testPostWithSequenceOfUInt8() {
#if compiler(>=5.5) && canImport(_Concurrency)
guard #available(macOS 12.0, iOS 15.0, watchOS 8.0, tvOS 15.0, *) else { return }
XCTAsyncTest {
let bin = HTTPBin(.http2(compress: false)) { _ in HTTPEchoHandler() }
defer { XCTAssertNoThrow(try bin.shutdown()) }
let client = makeDefaultHTTPClient()
defer { XCTAssertNoThrow(try client.syncShutdown()) }
let logger = Logger(label: "HTTPClient", factory: StreamLogHandler.standardOutput(label:))
var request = HTTPClientRequest(url: "https://localhost:\(bin.port)/")
request.method = .POST
request.body = .bytes(length: nil, AnySequence("1234".utf8))
guard let response = await XCTAssertNoThrowWithResult(
try await client.execute(request, deadline: .now() + .seconds(10), logger: logger)
) else { return }
XCTAssertEqual(response.headers["content-length"], [])
guard let body = await XCTAssertNoThrowWithResult(
try await response.body.collect()
) else { return }
XCTAssertEqual(body, ByteBuffer(string: "1234"))
}
#endif
}
func testPostWithCollectionOfUInt8() {
#if compiler(>=5.5) && canImport(_Concurrency)
guard #available(macOS 12.0, iOS 15.0, watchOS 8.0, tvOS 15.0, *) else { return }
XCTAsyncTest {
let bin = HTTPBin(.http2(compress: false)) { _ in HTTPEchoHandler() }
defer { XCTAssertNoThrow(try bin.shutdown()) }
let client = makeDefaultHTTPClient()
defer { XCTAssertNoThrow(try client.syncShutdown()) }
let logger = Logger(label: "HTTPClient", factory: StreamLogHandler.standardOutput(label:))
var request = HTTPClientRequest(url: "https://localhost:\(bin.port)/")
request.method = .POST
request.body = .bytes(length: nil, AnyCollection("1234".utf8))
guard let response = await XCTAssertNoThrowWithResult(
try await client.execute(request, deadline: .now() + .seconds(10), logger: logger)
) else { return }
XCTAssertEqual(response.headers["content-length"], [])
guard let body = await XCTAssertNoThrowWithResult(
try await response.body.collect()
) else { return }
XCTAssertEqual(body, ByteBuffer(string: "1234"))
}
#endif
}
func testPostWithRandomAccessCollectionOfUInt8() {
#if compiler(>=5.5) && canImport(_Concurrency)
guard #available(macOS 12.0, iOS 15.0, watchOS 8.0, tvOS 15.0, *) else { return }
XCTAsyncTest {
let bin = HTTPBin(.http2(compress: false)) { _ in HTTPEchoHandler() }
defer { XCTAssertNoThrow(try bin.shutdown()) }
let client = makeDefaultHTTPClient()
defer { XCTAssertNoThrow(try client.syncShutdown()) }
let logger = Logger(label: "HTTPClient", factory: StreamLogHandler.standardOutput(label:))
var request = HTTPClientRequest(url: "https://localhost:\(bin.port)/")
request.method = .POST
request.body = .bytes(ByteBuffer(string: "1234").readableBytesView)
guard let response = await XCTAssertNoThrowWithResult(
try await client.execute(request, deadline: .now() + .seconds(10), logger: logger)
) else { return }
XCTAssertEqual(response.headers["content-length"], ["4"])
guard let body = await XCTAssertNoThrowWithResult(
try await response.body.collect()
) else { return }
XCTAssertEqual(body, ByteBuffer(string: "1234"))
}
#endif
}
func testPostWithAsyncSequenceOfByteBuffers() {
#if compiler(>=5.5) && canImport(_Concurrency)
guard #available(macOS 12.0, iOS 15.0, watchOS 8.0, tvOS 15.0, *) else { return }
XCTAsyncTest {
let bin = HTTPBin(.http2(compress: false)) { _ in HTTPEchoHandler() }
defer { XCTAssertNoThrow(try bin.shutdown()) }
let client = makeDefaultHTTPClient()
defer { XCTAssertNoThrow(try client.syncShutdown()) }
let logger = Logger(label: "HTTPClient", factory: StreamLogHandler.standardOutput(label:))
var request = HTTPClientRequest(url: "https://localhost:\(bin.port)/")
request.method = .POST
request.body = .stream(length: nil, [
ByteBuffer(string: "1"),
ByteBuffer(string: "2"),
ByteBuffer(string: "34"),
].asAsyncSequence())
guard let response = await XCTAssertNoThrowWithResult(
try await client.execute(request, deadline: .now() + .seconds(10), logger: logger)
) else { return }
XCTAssertEqual(response.headers["content-length"], [])
guard let body = await XCTAssertNoThrowWithResult(
try await response.body.collect()
) else { return }
XCTAssertEqual(body, ByteBuffer(string: "1234"))
}
#endif
}
func testPostWithAsyncSequenceOfUInt8() {
#if compiler(>=5.5) && canImport(_Concurrency)
guard #available(macOS 12.0, iOS 15.0, watchOS 8.0, tvOS 15.0, *) else { return }
XCTAsyncTest {
let bin = HTTPBin(.http2(compress: false)) { _ in HTTPEchoHandler() }
defer { XCTAssertNoThrow(try bin.shutdown()) }
let client = makeDefaultHTTPClient()
defer { XCTAssertNoThrow(try client.syncShutdown()) }
let logger = Logger(label: "HTTPClient", factory: StreamLogHandler.standardOutput(label:))
var request = HTTPClientRequest(url: "https://localhost:\(bin.port)/")
request.method = .POST
request.body = .stream(length: nil, "1234".utf8.asAsyncSequence())
guard let response = await XCTAssertNoThrowWithResult(
try await client.execute(request, deadline: .now() + .seconds(10), logger: logger)
) else { return }
XCTAssertEqual(response.headers["content-length"], [])
guard let body = await XCTAssertNoThrowWithResult(
try await response.body.collect()
) else { return }
XCTAssertEqual(body, ByteBuffer(string: "1234"))
}
#endif
}
func testPostWithFragmentedAsyncSequenceOfByteBuffers() {
#if compiler(>=5.5) && canImport(_Concurrency)
guard #available(macOS 12.0, iOS 15.0, watchOS 8.0, tvOS 15.0, *) else { return }
XCTAsyncTest {
let bin = HTTPBin(.http2(compress: false)) { _ in HTTPEchoHandler() }
defer { XCTAssertNoThrow(try bin.shutdown()) }
let client = makeDefaultHTTPClient()
defer { XCTAssertNoThrow(try client.syncShutdown()) }
let logger = Logger(label: "HTTPClient", factory: StreamLogHandler.standardOutput(label:))
var request = HTTPClientRequest(url: "https://localhost:\(bin.port)/")
request.method = .POST
let streamWriter = AsyncSequenceWriter<ByteBuffer>()
request.body = .stream(length: nil, streamWriter)
guard let response = await XCTAssertNoThrowWithResult(
try await client.execute(request, deadline: .now() + .seconds(10), logger: logger)
) else { return }
XCTAssertEqual(response.headers["content-length"], [])
let fragments = [
ByteBuffer(string: "1"),
ByteBuffer(string: "2"),
ByteBuffer(string: "34"),
]
let bodyIterator = response.body.makeAsyncIterator()
for expectedFragment in fragments {
streamWriter.write(expectedFragment)
guard let actualFragment = await XCTAssertNoThrowWithResult(
try await bodyIterator.next()
) else { return }
XCTAssertEqual(expectedFragment, actualFragment)
}
streamWriter.end()
guard let lastResult = await XCTAssertNoThrowWithResult(
try await bodyIterator.next()
) else { return }
XCTAssertEqual(lastResult, nil)
}
#endif
}
func testPostWithFragmentedAsyncSequenceOfLargeByteBuffers() {
#if compiler(>=5.5) && canImport(_Concurrency)
guard #available(macOS 12.0, iOS 15.0, watchOS 8.0, tvOS 15.0, *) else { return }
XCTAsyncTest {
let bin = HTTPBin(.http2(compress: false)) { _ in HTTPEchoHandler() }
defer { XCTAssertNoThrow(try bin.shutdown()) }
let client = makeDefaultHTTPClient()
defer { XCTAssertNoThrow(try client.syncShutdown()) }
let logger = Logger(label: "HTTPClient", factory: StreamLogHandler.standardOutput(label:))
var request = HTTPClientRequest(url: "https://localhost:\(bin.port)/")
request.method = .POST
let streamWriter = AsyncSequenceWriter<ByteBuffer>()
request.body = .stream(length: nil, streamWriter)
guard let response = await XCTAssertNoThrowWithResult(
try await client.execute(request, deadline: .now() + .seconds(10), logger: logger)
) else { return }
XCTAssertEqual(response.headers["content-length"], [])
let fragments = [
ByteBuffer(string: String(repeating: "a", count: 4000)),
ByteBuffer(string: String(repeating: "b", count: 4000)),
ByteBuffer(string: String(repeating: "c", count: 4000)),
ByteBuffer(string: String(repeating: "d", count: 4000)),
]
let bodyIterator = response.body.makeAsyncIterator()
for expectedFragment in fragments {
streamWriter.write(expectedFragment)
guard let actualFragment = await XCTAssertNoThrowWithResult(
try await bodyIterator.next()
) else { return }
XCTAssertEqual(expectedFragment, actualFragment)
}
streamWriter.end()
guard let lastResult = await XCTAssertNoThrowWithResult(
try await bodyIterator.next()
) else { return }
XCTAssertEqual(lastResult, nil)
}
#endif
}
func testCanceling() {
#if compiler(>=5.5) && canImport(_Concurrency)
guard #available(macOS 12.0, iOS 15.0, watchOS 8.0, tvOS 15.0, *) else { return }
XCTAsyncTest(timeout: 5) {
let bin = HTTPBin(.http2(compress: false))
defer { XCTAssertNoThrow(try bin.shutdown()) }
let client = makeDefaultHTTPClient()
defer { XCTAssertNoThrow(try client.syncShutdown()) }
let logger = Logger(label: "HTTPClient", factory: StreamLogHandler.standardOutput(label:))
var request = HTTPClientRequest(url: "http://localhost:\(bin.port)/offline")
request.method = .POST
let streamWriter = AsyncSequenceWriter<ByteBuffer>()
request.body = .stream(length: nil, streamWriter)
let task = Task<HTTPClientResponse, Error> { [request] in
try await client.execute(request, deadline: .now() + .seconds(2), logger: logger)
}
task.cancel()
await XCTAssertThrowsError(try await task.value) { error in
XCTAssertEqual(error as? HTTPClientError, .cancelled)
}
}
#endif
}
func testDeadline() {
#if compiler(>=5.5) && canImport(_Concurrency)
guard #available(macOS 12.0, iOS 15.0, watchOS 8.0, tvOS 15.0, *) else { return }
XCTAsyncTest(timeout: 5) {
let bin = HTTPBin(.http2(compress: false))
defer { XCTAssertNoThrow(try bin.shutdown()) }
let client = makeDefaultHTTPClient()
defer { XCTAssertNoThrow(try client.syncShutdown()) }
let logger = Logger(label: "HTTPClient", factory: StreamLogHandler.standardOutput(label:))
let request = HTTPClientRequest(url: "https://localhost:\(bin.port)/wait")
let task = Task<HTTPClientResponse, Error> { [request] in
try await client.execute(request, deadline: .now() + .milliseconds(100), logger: logger)
}
await XCTAssertThrowsError(try await task.value) {
XCTAssertEqual($0 as? HTTPClientError, HTTPClientError.deadlineExceeded)
}
}
#endif
}
func testImmediateDeadline() {
#if compiler(>=5.5) && canImport(_Concurrency)
guard #available(macOS 12.0, iOS 15.0, watchOS 8.0, tvOS 15.0, *) else { return }
XCTAsyncTest(timeout: 5) {
let bin = HTTPBin(.http2(compress: false))
defer { XCTAssertNoThrow(try bin.shutdown()) }
let client = makeDefaultHTTPClient()
defer { XCTAssertNoThrow(try client.syncShutdown()) }
let logger = Logger(label: "HTTPClient", factory: StreamLogHandler.standardOutput(label:))
let request = HTTPClientRequest(url: "http://localhost:\(bin.port)/wait")
let task = Task<HTTPClientResponse, Error> { [request] in
try await client.execute(request, deadline: .now(), logger: logger)
}
await XCTAssertThrowsError(try await task.value) {
XCTAssertEqual($0 as? HTTPClientError, HTTPClientError.deadlineExceeded)
}
}
#endif
}
func testInvalidURL() {
#if compiler(>=5.5) && canImport(_Concurrency)
guard #available(macOS 12.0, iOS 15.0, watchOS 8.0, tvOS 15.0, *) else { return }
XCTAsyncTest(timeout: 5) {
let client = makeDefaultHTTPClient()
defer { XCTAssertNoThrow(try client.syncShutdown()) }
let logger = Logger(label: "HTTPClient", factory: StreamLogHandler.standardOutput(label:))
let request = HTTPClientRequest(url: "") // invalid URL
await XCTAssertThrowsError(try await client.execute(request, deadline: .now() + .seconds(2), logger: logger)) {
XCTAssertEqual($0 as? HTTPClientError, .invalidURL)
}
}
#endif
}
}
#if compiler(>=5.5) && canImport(_Concurrency)
extension AsyncSequence where Element == ByteBuffer {
func collect() async rethrows -> ByteBuffer {
try await self.reduce(into: ByteBuffer()) { accumulatingBuffer, nextBuffer in
var nextBuffer = nextBuffer
accumulatingBuffer.writeBuffer(&nextBuffer)
}
}
}
#endif