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/*
This source file is part of the Swift.org open source project
Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
Licensed under Apache License v2.0 with Runtime Library Exception
See http://swift.org/LICENSE.txt for license information
See http://swift.org/CONTRIBUTORS.txt for Swift project authors
*/
import XCTest
import TSCBasic
import TSCLibc
import TSCUtility
import TSCTestSupport
@available(*, deprecated)
class ProcessSetTests: XCTestCase {
#if !os(Windows) // Signals are not supported in Windows
func script(_ name: String) -> String {
return AbsolutePath(#file).parentDirectory.appending(components: "processInputs", name).pathString
}
func testSigInt() throws {
try runProcessSetTest("blocking")
}
func testSigKillEscalation() throws {
try runProcessSetTest("blocking-ignore-sigint", killTimeout: 0.1)
}
/// Helper method to run process set test.
func runProcessSetTest(_ scriptName: String, killTimeout: Double = 2, file: StaticString = #file, line: UInt = #line) throws {
// We launch the script in a separate thread and then call terminate method on the process set.
// We expect that the process will be terminated via some signal (sigint or sigkill).
let processSet = ProcessSet(killTimeout: killTimeout)
let threadStartCondition = Condition()
var processLaunched = false
let t = Thread {
do {
// Launch the script and notify main thread.
try withTemporaryFile { tempFile in
let waitFile = tempFile.path
let process = Process(args: self.script(scriptName), waitFile.pathString)
try processSet.add(process)
try process.launch()
guard waitForFile(waitFile) else {
XCTFail("Couldn't launch the process")
return
}
threadStartCondition.whileLocked {
processLaunched = true
threadStartCondition.signal()
}
let result = try process.waitUntilExit()
// Ensure we did terminated due to signal.
switch result.exitStatus {
case .signalled: break
default: XCTFail("Expected to exit via signal")
}
}
} catch {
XCTFail("Error \(String(describing: error))")
}
}
t.start()
threadStartCondition.whileLocked {
while !processLaunched {
threadStartCondition.wait()
}
}
processSet.terminate()
t.join()
}
#endif
}
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