Pull args, intl, logging, shelf, and source_maps out of the SDK.

pkg/intl/test/message_extraction/message_extraction_test.dart

-// Copyright (c) 2013, 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.
-
-library message_extraction_test;
-
-import 'package:unittest/unittest.dart';
-import 'dart:io';
-import 'dart:async';
-import 'dart:convert';
-import 'package:path/path.dart' as path;
-import '../data_directory.dart';
-
-final dart = Platform.executable;
-
-/** Should we use deferred loading. */
-bool useDeferredLoading = true;
-
-String get _deferredLoadPrefix => useDeferredLoading ? '' : 'no-';
-
-String get deferredLoadArg => '--${_deferredLoadPrefix}use-deferred-loading';
-
-/** The VM arguments we were given, most important package-root. */
-final vmArgs = Platform.executableArguments;
-
-/**
- * For testing we move the files into a temporary directory so as not to leave
- * generated files around after a failed test. For debugging, we omit that
- * step if [useLocalDirectory] is true. The place we move them to is saved as
- * [tempDir].
- */
-String get tempDir => _tempDir == null ? _tempDir = _createTempDir() : _tempDir;
-var _tempDir;
-_createTempDir() => useLocalDirectory ? '.' :
-  Directory.systemTemp.createTempSync('message_extraction_test').path;
-
-var useLocalDirectory = false;
-
-/**
- * Translate a relative file path into this test directory. This is
- * applied to all the arguments of [run]. It will ignore a string that
- * is an absolute path or begins with "--", because some of the arguments
- * might be command-line options.
- */
-String asTestDirPath([String s]) {
-  if (s == null || s.startsWith("--") || path.isAbsolute(s)) return s;
-  return path.join(intlDirectory, 'test', 'message_extraction', s);
-}
-
-/**
- * Translate a relative file path into our temp directory. This is
- * applied to all the arguments of [run]. It will ignore a string that
- * is an absolute path or begins with "--", because some of the arguments
- * might be command-line options.
- */
-String asTempDirPath([String s]) {
-  if (s == null || s.startsWith("--") || path.isAbsolute(s)) return s;
-  return path.join(tempDir, s);
-}
-
-main(arguments) {
-  // If debugging, use --local to avoid copying everything to temporary
-  // directories to make it even harder to debug. Note that this will also
-  // not delete the generated files, so may require manual cleanup.
-  if (arguments.contains("--local")) {
-    print("Testing using local directory for generated files");
-    useLocalDirectory = true;
-  }
-  setUp(copyFilesToTempDirectory);
-  tearDown(deleteGeneratedFiles);
-  test("Test round trip message extraction, translation, code generation, "
-      "and printing", () {
-    var makeSureWeVerify = expectAsync(runAndVerify);
-    return extractMessages(null).then((result) {
-      return generateTranslationFiles(result);
-    }).then((result) {
-      return generateCodeFromTranslation(result);
-    }).then(makeSureWeVerify).then(checkResult);
-  });
-}
-
-void copyFilesToTempDirectory() {
-  if (useLocalDirectory) return;
-  var files = [asTestDirPath('sample_with_messages.dart'),
-      asTestDirPath('part_of_sample_with_messages.dart'),
-      asTestDirPath('verify_messages.dart'),
-      asTestDirPath('run_and_verify.dart'),
-      asTestDirPath('embedded_plural_text_before.dart'),
-      asTestDirPath('embedded_plural_text_after.dart'),
-      asTestDirPath('print_to_list.dart')];
-  for (var filename in files) {
-    var file = new File(filename);
-    file.copySync(path.join(tempDir, path.basename(filename)));
-  }
-}
-
-void deleteGeneratedFiles() {
-  if (useLocalDirectory) return;
-  try {
-    new Directory(tempDir).deleteSync(recursive: true);
-  } on Error catch (e) {
-    print("Failed to delete $tempDir");
-    print("Exception:\n$e");
-  }
-}
-
-/**
- * Run the process with the given list of filenames, which we assume
- * are in dir() and need to be qualified in case that's not our working
- * directory.
- */
-Future<ProcessResult> run(ProcessResult previousResult, List<String> filenames)
-    {
-  // If there's a failure in one of the sub-programs, print its output.
-  checkResult(previousResult);
-  var filesInTheRightDirectory = filenames.map((x) => asTempDirPath(x)).toList(
-      );
-  // Inject the script argument --output-dir in between the script and its
-  // arguments.
-  var args = []
-      ..addAll(vmArgs)
-      ..add(filesInTheRightDirectory.first)
-      ..addAll(["--output-dir=$tempDir"])
-      ..addAll(filesInTheRightDirectory.skip(1));
-  var result = Process.run(dart, args, stdoutEncoding: UTF8, stderrEncoding:
-      UTF8);
-  return result;
-}
-
-void checkResult(ProcessResult previousResult) {
-  if (previousResult != null) {
-    if (previousResult.exitCode != 0) {
-      print("Error running sub-program:");
-    }
-    print(previousResult.stdout);
-    print(previousResult.stderr);
-    print("exitCode=${previousResult.exitCode}");
-    // Fail the test.
-    expect(previousResult.exitCode, 0);
-  }
-}
-
-Future<ProcessResult> extractMessages(ProcessResult previousResult) => run(
-    previousResult, [asTestDirPath('../../bin/extract_to_arb.dart'),
-    '--suppress-warnings', 'sample_with_messages.dart',
-    'part_of_sample_with_messages.dart']);
-
-Future<ProcessResult> generateTranslationFiles(ProcessResult previousResult) =>
-    run(previousResult,
-        [asTestDirPath('make_hardcoded_translation.dart'),
-        'intl_messages.arb']);
-
-Future<ProcessResult> generateCodeFromTranslation(ProcessResult previousResult)
-    => run(previousResult, [asTestDirPath('../../bin/generate_from_arb.dart'),
-    deferredLoadArg, '--generated-file-prefix=foo_',
-    'sample_with_messages.dart', 'part_of_sample_with_messages.dart',
-    'translation_fr.arb', 'translation_de_DE.arb']);
-
-Future<ProcessResult> runAndVerify(ProcessResult previousResult) => run(
-    previousResult, [asTempDirPath('run_and_verify.dart')]);