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Alex Hoppen
bb6f4b4a47
When `TestSourceKitLSPClient.nextNotification` timed out, it would cancel `AsyncSequence.Iterator.next()` and thus also cancel the underlying `AsyncStream` (which I only now found out). This means that calling `nextNotification` again would never return any notification. Hence, if we didn’t receive a `PublishDiagnosticsNotification` within the first timeout, we would never get one.
38 lines
1.3 KiB
Swift
38 lines
1.3 KiB
Swift
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2020 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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import SKLogging
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import SwiftExtensions
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import XCTest
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/// Runs the body repeatedly once per second until it returns `true`, giving up after `timeout`.
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///
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/// This is useful to test some request that requires global state to be updated but will eventually converge on the
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/// correct result.
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///
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/// `sleepInterval` is the duration to wait before re-executing the body.
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package func repeatUntilExpectedResult(
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timeout: Duration = .seconds(defaultTimeout),
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sleepInterval: Duration = .seconds(1),
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_ body: () async throws -> Bool,
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file: StaticString = #filePath,
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line: UInt = #line
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) async throws {
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for _ in 0..<Int(timeout.seconds / sleepInterval.seconds) {
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if try await body() {
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return
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}
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try await Task.sleep(for: sleepInterval)
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}
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XCTFail("Failed to get expected result", file: file, line: line)
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}
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