pkg/docgen: putting test code in file system

pkg/docgen/test/generate_json_test.dart

 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 '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);
      });
    });
 
   test('json output', () {
     print(d.defaultRoot);
 
-    d.dir('lib', [
-        d.file('temp.dart', DART_LIBRARY_1),
-        d.file('temp2.dart', DART_LIBRARY_2),
-        d.file('temp3.dart', DART_LIBRARY_3),
-    ]).create();
-
     schedule(() {
-      return dg.docgen([d.defaultRoot], out: p.join(d.defaultRoot, 'docs'));
+      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', isNotNull),
         d.matcherFile('library_list.json', _isJsonMap),
         d.matcherFile('testLib-bar.C.json', _isJsonMap),
         d.matcherFile('testLib-bar.json', _isJsonMap),
         d.matcherFile('testLib.A.json', _isJsonMap),
         d.matcherFile('testLib.B.json', _isJsonMap),
         d.matcherFile('testLib.C.json', _isJsonMap),
         d.matcherFile('testLib.json', _isJsonMap),
         d.matcherFile('testLib2-foo.B.json', _isJsonMap),
         d.matcherFile('testLib2-foo.json', _isJsonMap)
     ]).validate();
   });
 }
 
 final Matcher _isJsonMap = predicate((input) {
   try {
     return JSON.decode(input) is Map;
   } catch (e) {
     return false;
   }
 }, 'Output is JSON encoded Map');
-
-const String DART_LIBRARY_1 = '''
-  library testLib;
-  import 'temp2.dart';
-  import 'temp3.dart';
-  export 'temp2.dart';
-  export 'temp3.dart';
-
-  /**
-   * Doc comment for class [A].
-   *
-   * Multiline Test
-   */
-  /*
-   * Normal comment for class A.
-   */
-  class A {
-
-    int _someNumber;
-
-    A() {
-      _someNumber = 12;
-    }
-
-    A.customConstructor();
-
-    /**
-     * Test for linking to parameter [A]
-     */
-    void doThis(int A) {
-      print(A);
-    }
-  }
-''';
-
-const String DART_LIBRARY_2 = '''
-  library testLib2.foo;
-  import 'temp.dart';
-
-  /**
-   * Doc comment for class [B].
-   *
-   * Multiline Test
-   */
-
-  /*
-   * Normal comment for class B.
-   */
-  class B extends A {
-
-    B();
-    B.fooBar();
-
-    /**
-     * Test for linking to super
-     */
-    int doElse(int b) {
-      print(b);
-    }
-
-    /**
-     * Test for linking to parameter [c]
-     */
-    void doThis(int c) {
-      print(a);
-    }
-  }
-
-  int testFunc(int a) {
-  }
-''';
-
-const String DART_LIBRARY_3 = '''
-  library testLib.bar;
-  import 'temp.dart';
-
-  /*
-   * Normal comment for class C.
-   */
-  class C {
-  }
-''';