Add directory-listing to VirtualDirectory.

pkg/http_server/test/virtual_directory_test.dart

 // Copyright (c) 2013, 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.
 
 import 'dart:async';
 import 'dart:io';
 
 import "package:unittest/unittest.dart";
 import "package:http_server/http_server.dart";
 
@@ skipping 97 matching lines @@
           return getStatusCode(server.port, '/dir/file')
               .whenComplete(() {
                 server.close();
                 dir.deleteSync(recursive: true);
               });
         }), completion(equals(HttpStatus.NOT_FOUND)));
       });
     });
   });
 
+  group('serve-dir', () {
+    group('top-level', () {
+      test('simple', () {
+        expect(HttpServer.bind('localhost', 0).then((server) {
+          var dir = new Directory('').createTempSync();
+          var virDir = new VirtualDirectory(dir.path);
+          virDir.allowDirectoryListing = true;
+
+          virDir.serve(server);
+
+          return getAsString(server.port, '/')
+          .whenComplete(() {
+            server.close();
+            dir.deleteSync();
+          });
+        }), completion(contains('Index of /')));
+      });
+
+      test('files', () {
+        expect(HttpServer.bind('localhost', 0).then((server) {
+          var dir = new Directory('').createTempSync();
+          var virDir = new VirtualDirectory(dir.path);
+          for (int i = 0; i < 10; i++) {
+            new File('${dir.path}/$i').createSync();
+          }
+          virDir.allowDirectoryListing = true;
+
+          virDir.serve(server);
+
+          return getAsString(server.port, '/')
+          .whenComplete(() {
+            server.close();
+            dir.deleteSync(recursive: true);
+          });
+        }), completion(contains('Index of /')));
+      });
+
+      test('dirs', () {
+        expect(HttpServer.bind('localhost', 0).then((server) {
+          var dir = new Directory('').createTempSync();
+          var virDir = new VirtualDirectory(dir.path);
+          for (int i = 0; i < 10; i++) {
+            new Directory('${dir.path}/$i').createSync();
+          }
+          virDir.allowDirectoryListing = true;
+
+          virDir.serve(server);
+
+          return getAsString(server.port, '/')
+          .whenComplete(() {
+            server.close();
+            dir.deleteSync(recursive: true);
+          });
+        }), completion(contains('Index of /')));
+      });
+
+      test('recursive-link', () {
+        expect(HttpServer.bind('localhost', 0).then((server) {
+          var dir = new Directory('').createTempSync();
+          var link = new Link('${dir.path}/recursive')..createSync('.');
+          var virDir = new VirtualDirectory(dir.path);
+          virDir.allowDirectoryListing = true;
+
+          virDir.serve(server);
+
+          return Future.wait([
+              getAsString(server.port, '/').then(
+                  (s) => s.contains('recursive/')),
+              getAsString(server.port, '/').then(
+                  (s) => !s.contains('../')),
+              getAsString(server.port, '/').then(
+                  (s) => s.contains('Index of /')),
+              getAsString(server.port, '/recursive').then(
+                  (s) => s.contains('recursive/')),
+              getAsString(server.port, '/recursive').then(
+                  (s) => s.contains('../')),
+              getAsString(server.port, '/recursive').then(
+                  (s) => s.contains('Index of /recursive'))])
+              .whenComplete(() {
+                server.close();
+                dir.deleteSync(recursive: true);
+              });
+        }), completion(equals([true, true, true, true, true, true])));
+      });
+    });
+
+    group('custom', () {
+      test('simple', () {
+        expect(HttpServer.bind('localhost', 0).then((server) {
+          var dir = new Directory('').createTempSync();
+          var virDir = new VirtualDirectory(dir.path);
+          virDir.allowDirectoryListing = true;
+          virDir.setDirectoryHandler((dir2, request) {
+            expect(dir2, isNotNull);
+            expect(FileSystemEntity.identicalSync(dir.path, dir2.path), isTrue);
+            request.response.write('My handler ${request.uri.path}');
+            request.response.close();
+          });
+
+          virDir.serve(server);
+
+          return getAsString(server.port, '/')
+          .whenComplete(() {
+            server.close();
+            dir.deleteSync();
+          });
+        }), completion(contains('My handler /')));
+      });
+    });
+  });
+
   group('links', () {
     if (!Platform.isWindows) {
       group('follow-links', () {
         test('dir-link', () {
           expect(HttpServer.bind('localhost', 0).then((server) {
             var dir = new Directory('').createTempSync();
             var dir2 = new Directory('${dir.path}/dir2')..createSync();
             var link = new Link('${dir.path}/dir3')..createSync('dir2');
             var file = new File('${dir2.path}/file')..createSync();
             var virDir = new VirtualDirectory(dir.path);
@@ skipping 230 matching lines @@
 
         return getAsString(server.port, '/')
             .whenComplete(() {
               server.close();
             });
       }), completion(equals('my-page 404')));
     });
   });
 }