New testrunner that runs the test pipleine in an isolate.

utils/testrunner/dart_wrap_task.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.
-
-/**
- * The DartWrapTask generates a Dart wrapper for a test file, that has a
- * test Configuration customized for the options specified by the user.
- */
-class DartWrapTask extends PipelineTask {
-  final String _sourceFileTemplate;
-  final String _tempDartFileTemplate;
-
-  DartWrapTask(this._sourceFileTemplate, this._tempDartFileTemplate);
-
-  execute(Path testfile, List stdout, List stderr, bool logging,
-              Function exitHandler) {
-    // Get the source test file and canonicalize the path.
-    var sourceName = makePathAbsolute(
-        expandMacros(_sourceFileTemplate, testfile));
-    // Get the destination file.
-    var destFile = expandMacros(_tempDartFileTemplate, testfile);
-
-    if (config.layoutText || config.layoutPixel) {
-      makeLayoutTestWrappers(sourceName, destFile, runnerDirectory);
-    } else {
-      makeNonLayoutTestWrapper(sourceName, destFile, runnerDirectory);
-    }
-    exitHandler(0);
-  }
-
-  void makeLayoutTestWrappers(String sourceName,
-                              String destFile,
-                              String libDirectory) {
-
-    // Get the name of the directory that has the expectation files
-    // (by stripping .dart suffix from test file path).
-    // Create it if it does not exist.
-    var expectedDirectory = sourceName.substring(0, sourceName.length - 5);
-    if (config.regenerate) {
-      var d = new Directory(expectedDirectory);
-      if (!d.existsSync()) {
-        d.createSync();
-      }
-    }
-
-    // Create the child file that runs single tests in DRT.
-    var childFile =
-        '${destFile.substring(0, destFile.length - 5)}-child.dart';
-        createFile(childFile, layoutTestWrapper(sourceName, libDirectory));
-
-        // Create the controller file that invokes DRT for each test.
-        createFile(destFile,
-            layoutTestControllerWrapper(sourceName, childFile,
-                                        expectedDirectory, libDirectory));
-  }
-
-  void makeNonLayoutTestWrapper(String sourceName,
-                                String destFile,
-                                String libDirectory) {
-    var extraImports;
-    var onDone;
-    var tprint;
-    var action;
-    if (config.runInBrowser) {
-      extraImports = "#import('dart:html');";
-      onDone = "window.postMessage('done', '*')";
-      tprint = "query('#console').addText('###\$msg\\n')";
-    } else {
-      extraImports = "#import('dart:io');";
-      onDone = "exit(e)";
-      tprint = "print('###\$msg')";
-    }
-    if (config.listTests) {
-      action = 'listTests';
-    } else if (config.listGroups) {
-      action = 'listGroups';
-    } else if (config.runIsolated) {
-      action = 'runIsolateTests';
-    } else {
-      action = 'null';
-    }
-    var wrapper = """
-#library('standard_test');
-$extraImports
-#import('${config.unittestPath}', prefix:'unittest');
-#import('$sourceName', prefix: 'test');
-#source('$libDirectory/standard_test_runner.dart');
-
-main() {
-  action = null;
-  immediate = ${config.immediateOutput};
-  includeTime = ${config.includeTime};
-  passFormat = '${config.passFormat}';
-  failFormat = '${config.failFormat}';
-  errorFormat = '${config.errorFormat}';
-  listFormat = '${config.listFormat}';
-  includeFilters = ${config.includeFilter};
-  excludeFilters = ${config.excludeFilter};
-  regenerate = ${config.regenerate};
-  testfile = '$sourceName';
-  summarize = ${config.produceSummary};
-  notifyDone = (e) => $onDone;
-  tprint = (msg) => $tprint;
-  action = $action;
-  runTests(test.main);
-}
-""";
-    // Save the Dart file.
-    createFile(destFile, wrapper);
-  }
-
-  void cleanup(Path testfile, List stdout, List stderr,
-               bool logging, bool keepFiles) {
-    deleteFiles([_tempDartFileTemplate], testfile, logging, keepFiles, stdout);
-  }
-
-  String layoutTestWrapper(String sourceName, String libDirectory) => """
-#library('layout_test');
-#import('dart:math');
-#import('dart:isolate');
-#import('dart:html');
-#import('dart:uri');
-#import('${config.unittestPath}', prefix:'unittest');
-#import('$sourceName', prefix: 'test');
-#source('$libDirectory/layout_test_runner.dart');
-
-main() {
-  includeFilters = ${config.includeFilter};
-  excludeFilters = ${config.excludeFilter};
-  runTests(test.main);
-}
-""";
-
-
-  String layoutTestControllerWrapper(String sourceName, String childName,
-                                     String expectedDirectory,
-                                     String libDirectory) {
-    StringBuffer sbuf = new StringBuffer();
-    var htmlFile = childName.replaceFirst('-child.dart', '.html');
-    // Add common prefix.
-    return """
-#library('layout_controller');
-#import('dart:uri');
-#import('dart:io');
-#import('dart:math');
-#source('$libDirectory/layout_test_controller.dart');
-
-main() {
-  includeTime = ${config.includeTime};
-  passFormat = '${config.passFormat}';
-  failFormat = '${config.failFormat}';
-  errorFormat = '${config.errorFormat}';
-  listFormat = '${config.listFormat}';
-  drt = '${makePathAbsolute(config.drtPath)}';
-  regenerate = ${config.regenerate};
-  sourceDir = '$expectedDirectory';
-  testfile = '$sourceName';
-  summarize = ${config.produceSummary};
-  baseUrl = 'file://$htmlFile';
-  run${config.layoutText?'Text':'Pixel'}LayoutTest(0);
-}
-""";
-  }
-}