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//===----------------------------------------------------------------------===//
//
// This source file is part of the SwiftNIO open source project
//
// Copyright (c) 2023 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
//
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//
@testable import NIOCore
import XCTest
@available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
final class AsyncChannelInboundStreamTests: XCTestCase {
func testTestingStream() async throws {
let (stream, source) = NIOAsyncChannelInboundStream<Int>.makeTestingStream()
try await withThrowingTaskGroup(of: [Int].self) { group in
group.addTask {
var elements = [Int]()
for try await element in stream {
elements.append(element)
}
return elements
}
for element in 0...10 {
source.yield(element)
}
source.finish()
let result = try await group.next()
XCTAssertEqual(result, [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
}
}
func testTestingStream_whenThrowing() async throws {
let (stream, source) = NIOAsyncChannelInboundStream<Int>.makeTestingStream()
await withThrowingTaskGroup(of: [Int].self) { group in
group.addTask {
var elements = [Int]()
for try await element in stream {
elements.append(element)
}
return elements
}
source.finish(throwing: ChannelError.alreadyClosed)
do {
_ = try await group.next()
XCTFail("Expected an error to be thrown")
} catch {
XCTAssertEqual(error as? ChannelError, .alreadyClosed)
}
}
}
}
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