First prototype of import map generator.

utils/tests/import_mapper/src/import_mapper_tests.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.
+
+#library('import_mapper_tests');
+
+#import('../../../import_mapper/import_mapper.dart', prefix: 'mapper');
+
+// TODO(rnystrom): Better path to unittest.
+#import('../../../../client/testing/unittest/unittest_vm.dart');
+
+main() {
+  group('generateImportMap', () {
+    test('walks import graph', () {
+      final expected = { 'b.dart': 'b.dart', 'c.dart': 'c.dart' };
+      final actual = mapper.generateImportMap(
+          'utils/tests/import_mapper/src/c.dart',
+          (context, name) => name);
+      expect(actual).equals(expected);
+    });
+  });
+}