Testrunner for 3rd parties.

utils/testrunner/pipeline_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.
+
+/**
+ * A test execution pipeline is made up of a list of tasks. Each task is a
+ * subclass of [PipelineTask].
+ */
+abstract class PipelineTask {
+
+  abstract void execute(Path testfile, List stdout, List stderr,
+                       bool verboseLogging, Function exitHandler);
+
+  String flattenPath(String path) {
+    return makePathAbsolute(path).
+        replaceAll(Platform.pathSeparator, "_").
+        replaceAll(":","");
+  }
+
+  // This takes a string used in a template and does macro expansion for
+  // a specific test file.
+  String expandMacros(String template, Path testfile) {
+    String path = makePathAbsolute(testfile.directoryPath.toString());
+    return template.
+        replaceAll(Macros.fullFilePath, testfile.toNativePath()).
+        replaceAll(Macros.filenameNoExtension,
+            testfile.filenameWithoutExtension).
+        replaceAll(Macros.filename, testfile.filename).
+        replaceAll(Macros.directory, path).
+        replaceAll(Macros.flattenedDirectory, flattenPath(path));
+  }
+}
+
+