Web Socket compression - take two

tests/standalone/io/web_socket_compression_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.
+//
+// VMOptions=
+// VMOptions=--short_socket_read
+// VMOptions=--short_socket_write
+// VMOptions=--short_socket_read --short_socket_write
+
+import "dart:async";
+import "dart:convert";
+import "dart:io";
+import "dart:typed_data";
+
+import "package:async_helper/async_helper.dart";
+import "package:crypto/crypto.dart";
+import "package:expect/expect.dart";
+import "package:path/path.dart";
+
+const String HOST_NAME = 'localhost';
+
+class SecurityConfiguration {
+  final bool secure;
+
+  SecurityConfiguration({bool this.secure});
+
+  Future<HttpServer> createServer({int backlog: 0}) =>
+      secure ? HttpServer.bindSecure(HOST_NAME,
+          0,
+          serverContext,
+          backlog: backlog)
+          : HttpServer.bind(HOST_NAME,
+          0,
+          backlog: backlog);
+
+  Future<WebSocket> createClient(int port) =>
+      // TODO(whesse): Add client context argument to WebSocket.connect
+      WebSocket.connect('${secure ? "wss" : "ws"}://$HOST_NAME:$port/');
+
+  void testCompressionSupport(bool enabled, bool allowContextTakeover) {
+    asyncStart();
+
+    var options = new CompressionOptions(
+        enabled: enabled,
+        serverNoContextTakeover: allowContextTakeover,
+        clientNoContextTakeover: allowContextTakeover);
+
+    createServer().then((server) {
+      server.listen((request) {
+        Expect.isTrue(WebSocketTransformer.isUpgradeRequest(request));
+        WebSocketTransformer.upgrade(request, compression: options).then((webSocket) {

[Søren Gjesse, 2015/10/19 16:53:20]

Long line.

[butlermatt, 2015/10/22 19:36:09]

Done.

+          webSocket.listen((message) {
+            Expect.equals("Hello World", message);
+
+            webSocket.add(message);
+            webSocket.close();
+          });
+          webSocket.add("Hello World");
+        });
+      });
+
+      var url = '${secure ? "wss" : "ws"}://$HOST_NAME:${server.port}/';
+      WebSocket.connect(url, compression: options).then((websocket) {
+        var future = websocket.listen((message) {
+          Expect.equals("Hello World", message);
+        }).asFuture();
+        websocket.add("Hello World");
+        return future;
+      }).then((_) {
+        server.close();
+        asyncEnd();
+      });
+    });
+  }
+
+  void runTests() {
+    testCompressionSupport(false, false);
+    testCompressionSupport(true, false);
+    testCompressionSupport(true, true);

[Søren Gjesse, 2015/10/19 16:53:20]

Please add tests where the client wants to use compression, but the server does
not support it.

[butlermatt, 2015/10/22 19:36:09]

Done.

+  }
+}
+
+main() {
+  new SecurityConfiguration(secure: false).runTests();
+  // TODO(whesse): Make WebSocket.connect() take an optional context: parameter.
+  // new SecurityConfiguration(secure: true).runTests();
+}