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packages/dart_style/test/utils.dart

+// Copyright (c) 2014, 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 dart_style.test.utils;
+
+import 'dart:io';
+
+import 'package:path/path.dart' as p;
+import 'package:scheduled_test/descriptor.dart' as d;
+import 'package:scheduled_test/scheduled_process.dart';
+import 'package:scheduled_test/scheduled_test.dart';
+
+const unformattedSource = 'void  main()  =>  print("hello") ;';
+const formattedSource = 'void main() => print("hello");\n';
+
+/// Runs the command line formatter, passing it [args].
+ScheduledProcess runFormatter([List<String> args]) {
+  if (args == null) args = [];
+
+  var formatterPath = p.join("bin", "format.dart");
+
+  args.insert(0, formatterPath);
+
+  // Use the same package root, if there is one.
+  if (Platform.packageRoot.isNotEmpty) {
+    args.insert(0, "--package-root=${Platform.packageRoot}");
+  }
+
+  return new ScheduledProcess.start(Platform.executable, args);
+}
+
+/// Runs the command line formatter, passing it the test directory followed by
+/// [args].
+ScheduledProcess runFormatterOnDir([List<String> args]) {
+  if (args == null) args = [];
+  return runFormatter([d.defaultRoot]..addAll(args));
+}
+
+/// Set up the scheduled test suite.
+///
+/// Configures the unit test output and makes a sandbox directory for the
+/// scheduled tests to run in.
+void setUpTestSuite() {
+  // Make a sandbox directory for the scheduled tests to run in.
+  setUp(() {
+    var tempDir = Directory.systemTemp.createTempSync('dart_style.test.');
+    d.defaultRoot = tempDir.path;
+
+    currentSchedule.onComplete.schedule(() {
+      d.defaultRoot = null;
+      return tempDir.delete(recursive: true);
+    });
+  });
+}