Remove unmaintained utils/testrunner

utils/testrunner/pipeline_utils.dart

-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-part of pipeline;
-
-List log;
-var replyPort;
-int _procId = 1;
-Map _procs = {};
-
-/**
- * Create a file path for a temporary file. The file will be in the
- * [tmpDir] directory, with name [basis], but with any extension
- * stripped and replaced by [suffix].
- */
-String createTempName(String tmpDir, String basis, [String suffix='']) {
-  var p = new Path(basis);
-  return '$tmpDir${Platform.pathSeparator}'
-      '${p.filenameWithoutExtension}${suffix}';
-}
-
-/**
- * Given a file path [file], make it absolute if it is relative,
- * and return the result as a [Path].
- */
-Path getAbsolutePath(String file) {
-  var p = new Path(file).canonicalize();
-  if (p.isAbsolute) {
-    return p;
-  } else {
-    var cwd = new Path(Directory.current.path);
-    return cwd.join(p);
-  }
-}
-
-/** Get the directory that contains a [file]. */
-String getDirectory(String file) =>
-    getAbsolutePath(file).directoryPath.toString();
-
-/** Create a file [fileName] and populate it with [contents]. */
-void writeFile(String fileName, String contents) {
-  var file = new File(fileName);
-  file.writeAsStringSync(contents);
-}
-
-/*
- * Run an external process [cmd] with command line arguments [args].
- * [timeout] can be used to forcefully terminate the process after
- * some number of seconds. This is used by runCommand and startProcess.
- * If [procId] is non-zero (i.e. called from startProcess) then a reference
- * to the [Process] will be put in a map with key [procId]; in this case
- * the process can be terminated later by calling [stopProcess] and
- * passing in the [procId].
- * [outputMonitor] is an optional function that will be called back with each
- * line of output from the process.
- * Returns a [Future] for when the process terminates.
- */
-Future _processHelper(String command, List<String> args,
-    List stdout, List stderr,
-    [int timeout = 30, int procId = 0, Function outputMonitor]) {
-  var timer = null;
-  if (Platform.operatingSystem == 'windows' && command.endsWith('.bat')) {
-    var oldArgs = args;
-    args = new List();
-    args.add('/c');
-    // TODO(gram): We may need some escaping here if any of the
-    // components contain spaces.
-    args.add("$command ${oldArgs.join(' ')}");
-    command='cmd.exe';
-  }
-  log.add('Running $command ${args.join(" ")}');
-  
-  return Process.start(command, args)
-      .then((process) {
-        _procs[procId.toString()] = process;
-
-        var stdoutFuture = _pipeStream(process.stdout, stdout, outputMonitor);
-        var stderrFuture = _pipeStream(process.stderr, stderr, outputMonitor);
-
-        timer = new Timer(new Duration(seconds: timeout), () {
-          timer = null;
-          process.kill();
-        });
-        return Future.wait([process.exitCode, stdoutFuture, stderrFuture])
-            .then((values) {
-              if (timer != null) {
-                timer.cancel();
-              }
-              return values[0];
-            });
-      })
-      .catchError((e) {
-        stderr.add("Error starting process:");
-        stderr.add("  Command: $command");
-        stderr.add("  Error: ${e.toString()}");
-        return new Future.value(-1);
-      });
-}
-
-Future _pipeStream(Stream stream, List<String> destination,
-                 Function outputMonitor) {
-  return stream
-    .transform(UTF8.decoder)
-    .transform(new LineTransformer())
-    .listen((String line) {
-      if (config["immediate"] && line.startsWith('###')) {
-        print(line.substring(3));
-      }
-      if (outputMonitor != null) {
-        outputMonitor(line);
-      }
-      destination.add(line);
-    })
-    .asFuture();
-}
-
-/**
- * Run an external process [cmd] with command line arguments [args].
- * [timeout] can be used to forcefully terminate the process after
- * some number of seconds.
- * Returns a [Future] for when the process terminates.
- */
-Future runCommand(String command, List<String> args,
-                  List stdout, List stderr,
-                  [int timeout = 30, Function outputMonitor]) {
-  return _processHelper(command, args, stdout, stderr, 
-      timeout, 0, outputMonitor);
-}
-
-/**
- * Start an external process [cmd] with command line arguments [args].
- * Returns an ID by which it can later be stopped.
- */
-int startProcess(String command, List<String> args, List stdout, List stderr,
-                 [Function outputMonitor]) {
-  int id = _procId++;
-  var f = _processHelper(command, args, stdout, stderr, 3000, id,
-      outputMonitor);
-  if (f != null) {
-    f.then((e) {
-      _procs.remove(id.toString());
-    });
-  }
-  return id;
-}
-
-/** Checks if a process is still running. */
-bool isProcessRunning(int id) {
-  return _procs.containsKey(id.toString());
-}
-
-/**
- * Stop a process previously started with [startProcess] or [runCommand],
- * given the id string.
- */
-void stopProcess(int id) {
-  var sid = id.toString();
-  if (_procs.containsKey(sid)) {
-    Process p = _procs.remove(sid);
-    p.kill();
-  }
-}
-
-/** Delete a file named [fname] if it exists. */
-bool cleanup(String fname) {
-  if (fname != null && config['clean-files']) {
-    var f = new File(fname);
-    try {
-      if (f.existsSync()) {
-        logMessage('Removing $fname');
-        f.deleteSync();
-      }
-    } catch (e) {
-      return false;
-    }
-  }
-  return true;
-}
-
-/** Delete a directory named [dname] if it exists. */
-bool cleanupDir(String dname) {
-  if (dname != null && config['clean-files']) {
-    var d = new Directory(dname);
-    try {
-      if (d.existsSync()) {
-        logMessage('Removing $dname');
-        d.deleteSync(recursive: true);
-      }
-    } catch (e) {
-      return false;
-    }
-  }
-  return true;
-}
-
-initPipeline(port) {
-  replyPort = port;
-  stdout = new List();
-  stderr = new List();
-  log = new List();
-}
-
-void completePipeline(List stdout, List stderr, [exitCode = 0]) {
-  replyPort.send([stdout, stderr, log, exitCode]);
-}
-
-/** Utility function to log diagnostic messages. */
-void logMessage(msg) => log.add(msg);
-
-/** Turn file paths into standard form with forward slashes. */
-String normalizePath(String p) => (new Path(p)).toString();