pkg/docgen: test fixes

pkg/docgen/test/generate_json_test.dart

-import 'dart:convert';
+// 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.generate_json_test;
+
 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(() {
-     var tempDir;
-     schedule(() {
-       return Directory.systemTemp
-           .createTemp('docgen_test-')
-           .then((dir) {
-         tempDir = dir;
-         d.defaultRoot = tempDir.path;
-       });
-     });
-
-     currentSchedule.onComplete.schedule(() {
-       d.defaultRoot = null;
-       return tempDir.delete(recursive: true);
-     });
-   });
+    scheduleTempDir();
+  });
 
   test('json output', () {
     schedule(() {
       var codeDir = getMultiLibraryCodePath();
       expect(FileSystemEntity.isDirectorySync(codeDir), isTrue);
       return dg.docgen([codeDir], out: p.join(d.defaultRoot, 'docs'));
     });
 
     d.dir('docs', [
-        d.matcherFile('index.json', _isJsonMap),
-        d.matcherFile('index.txt', _hasSortedLines),
-        d.matcherFile('library_list.json', _isJsonMap),
-        d.matcherFile('test_lib-bar.C.json', _isJsonMap),
-        d.matcherFile('test_lib-bar.json', _isJsonMap),
-        d.matcherFile('test_lib-foo.B.json', _isJsonMap),
-        d.matcherFile('test_lib-foo.json', _isJsonMap),
-        d.matcherFile('test_lib.A.json', _isJsonMap),
-        d.matcherFile('test_lib.B.json', _isJsonMap),
-        d.matcherFile('test_lib.C.json', _isJsonMap),
-        d.matcherFile('test_lib.json', _isJsonMap),
-    ]).validate();
-
-  });
-
-  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);
-    });
-  });
-
-  test('exclude non-lib code from package docs', () {
-    schedule(() {
-      var thisScript = Platform.script;
-      var thisPath = p.fromUri(thisScript);
-      expect(p.basename(thisPath), 'generate_json_test.dart');
-      expect(p.dirname(thisPath), endsWith('test'));
-
-
-      var codeDir = p.normalize(p.join(thisPath, '..', '..'));
-      print(codeDir);
-      expect(FileSystemEntity.isDirectorySync(codeDir), isTrue);
-      return dg.docgen(['$codeDir/'], out: p.join(d.defaultRoot, 'docs'));
-    });
-
-    d.dir('docs', [
-        d.dir('docgen', [
-          d.matcherFile('docgen.json',  _isJsonMap)
-        ]),
-        d.matcherFile('index.json', _isJsonMap),
-        d.matcherFile('index.txt', _hasSortedLines),
-        d.matcherFile('library_list.json', _isJsonMap),
-        d.nothing('test_lib.json'),
-        d.nothing('test_lib-bar.json'),
-        d.nothing('test_lib-foo.json')
+        d.matcherFile('index.json', isJsonMap),
+        d.matcherFile('index.txt', hasSortedLines),
+        d.matcherFile('library_list.json', isJsonMap),
+        d.matcherFile('test_lib-bar.C.json', isJsonMap),
+        d.matcherFile('test_lib-bar.json', isJsonMap),
+        d.matcherFile('test_lib-foo.B.json', isJsonMap),
+        d.matcherFile('test_lib-foo.json', isJsonMap),
+        d.matcherFile('test_lib.A.json', isJsonMap),
+        d.matcherFile('test_lib.B.json', isJsonMap),
+        d.matcherFile('test_lib.C.json', isJsonMap),
+        d.matcherFile('test_lib.json', isJsonMap),
     ]).validate();
 
   });
 }
-
-final Matcher _hasSortedLines = predicate((String input) {
-  var lines = new LineSplitter().convert(input);
-
-  var sortedLines = new List.from(lines)..sort();
-
-  var orderedMatcher = orderedEquals(sortedLines);
-  return orderedMatcher.matches(lines, {});
-}, 'String has sorted lines');
-
-final Matcher _isJsonMap = predicate((input) {
-  try {
-    return JSON.decode(input) is Map;
-  } catch (e) {
-    return false;
-  }
-}, 'Output is JSON encoded Map');