pkg/docgen: test fixes

pkg/docgen/test/typedef_test.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 docgen.test.typedef;
+
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:path/path.dart' as p;
+import 'package:scheduled_test/descriptor.dart' as d;
+import 'package:scheduled_test/scheduled_test.dart';
+import 'package:unittest/matcher.dart';
+
+import 'util.dart';
+import '../lib/docgen.dart' as dg;
+
+void main() {
+
+  setUp(() {
+    scheduleTempDir();
+  });
+
+  test('typedef gen', () {
+    schedule(() {
+      var codeDir = getMultiLibraryCodePath();
+      expect(FileSystemEntity.isDirectorySync(codeDir), isTrue);
+      return dg.docgen([codeDir], out: p.join(d.defaultRoot, 'docs'));
+    });
+
+    schedule(() {
+      var path = p.join(d.defaultRoot, 'docs', 'test_lib-bar.json');
+      var dartCoreJson = new File(path).readAsStringSync();
+
+      var testLibBar = JSON.decode(dartCoreJson) as Map<String, dynamic>;
+
+      //
+      // Validate function doc references
+      //
+      var generateFoo = testLibBar['functions']['methods']['generateFoo']
+          as Map<String, dynamic>;
+
+      expect(generateFoo['comment'], '<p><a>test_lib-bar.generateFoo.input</a> '
+          'is of type <a>test_lib-bar.C</a> returns an <a>test_lib.A</a>.</p>');
+
+      var classes = testLibBar['classes'] as Map<String, dynamic>;
+
+      expect(classes, hasLength(3));
+
+      expect(classes['class'], isList);
+      expect(classes['error'], isList);
+
+      var typeDefs = classes['typedef'] as Map<String, dynamic>;
+      var comparator = typeDefs['AnATransformer'] as Map<String, dynamic>;
+
+      var expectedPreview = '<p>Processes a [C] instance for testing.</p>';
+
+      expect(comparator['preview'], expectedPreview);
+
+      var expectedComment = expectedPreview + '\n'
+          '<p>To eliminate import warnings for [A] and to test typedefs.</p>';
+
+      expect(comparator['comment'], expectedComment);
+    });
+  });
+}