WebSocket Pepper API: C++ bindings implementation.

ppapi/tests/test_websocket.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ppapi/tests/test_websocket.h"
 
 #include <string.h>
+#include <vector>
 
 #include "ppapi/c/dev/ppb_websocket_dev.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/pp_var.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/ppb_core.h"
 #include "ppapi/c/ppb_var.h"
+#include "ppapi/cpp/dev/websocket_dev.h"
 #include "ppapi/cpp/instance.h"
 #include "ppapi/cpp/module.h"
 #include "ppapi/tests/test_utils.h"
 #include "ppapi/tests/testing_instance.h"
 
 const char kEchoServerURL[] =
     "ws://localhost:8880/websocket/tests/hybi/echo";
 
 const char kProtocolTestServerURL[] =
     "ws://localhost:8880/websocket/tests/hybi/protocol-test?protocol=";
 
 const char* const kInvalidURLs[] = {
   "http://www.google.com/invalid_scheme",
   "ws://www.google.com/invalid#fragment",
   "ws://www.google.com:65535/invalid_port",
   NULL
 };
 
 // Connection close code is defined in WebSocket protocol specification.
 // The magic number 1000 means gracefull closure without any error.
 // See section 7.4.1. of RFC 6455.
-const uint16_t kCloseCodeNormalClosure = 1000;
+const uint16_t kCloseCodeNormalClosure = 1000U;
+
+namespace {
+
+struct WebSocketEvent {
+  enum EventType {
+    EVENT_OPEN,
+    EVENT_MESSAGE,
+    EVENT_ERROR,
+    EVENT_CLOSE
+  };
+
+  WebSocketEvent(
+      EventType type, bool was_clean, uint16_t code, const pp::Var& var)
+      : event_type(type),
+        was_clean(was_clean),
+        code(code),
+        var(var) {}
+  EventType event_type;
+  bool was_clean;
+  uint16_t code;
+  pp::Var var;
+};
+
+class TestWebSocketClient : public pp::WebSocket_Dev {
+ public:
+  TestWebSocketClient(pp::Instance* instance)
+      : pp::WebSocket_Dev(instance),
+        connected_(false),
+        received_(false),
+        closed_(false),
+        wait_for_connected_(false),
+        wait_for_received_(false),
+        wait_for_closed_(false),
+        instance_(instance->pp_instance()) {}
+
+  virtual void OnOpen() {
+    events_.push_back(WebSocketEvent(WebSocketEvent::EVENT_OPEN,
+        true, 0U, pp::Var()));
+    connected_ = true;
+    if (wait_for_connected_) {
+      GetTestingInterface()->QuitMessageLoop(instance_);
+      wait_for_connected_ = false;
+    }
+  }
+
+  virtual void OnMessage(const pp::Var &message) {
+    events_.push_back(WebSocketEvent(WebSocketEvent::EVENT_MESSAGE,
+        true, 0U, message));
+    received_ = true;
+    if (wait_for_received_) {
+      GetTestingInterface()->QuitMessageLoop(instance_);
+      wait_for_received_ = false;
+      received_ = false;
+    }
+  }
+
+  virtual void OnError() {
+    events_.push_back(WebSocketEvent(WebSocketEvent::EVENT_ERROR,
+        true, 0U, pp::Var()));
+  }
+
+  virtual void OnClose(
+      bool was_clean, uint16_t code, const pp::Var& reason) {
+    events_.push_back(WebSocketEvent(WebSocketEvent::EVENT_CLOSE,
+        was_clean, code, reason));
+    connected_ = true;
+    closed_ = true;
+    if (wait_for_connected_ || wait_for_closed_) {
+      GetTestingInterface()->QuitMessageLoop(instance_);
+      wait_for_connected_ = false;
+      wait_for_closed_ = false;
+    }
+  }
+
+  void WaitForConnected() {
+    if (!connected_) {
+      wait_for_connected_ = true;
+      GetTestingInterface()->RunMessageLoop(instance_);
+    }
+  }
+
+  void WaitForReceived() {
+    if (!received_) {
+      wait_for_received_ = true;
+      GetTestingInterface()->RunMessageLoop(instance_);
+    }
+  }
+
+  void WaitForClosed() {
+    if (!closed_) {
+      wait_for_closed_ = true;
+      GetTestingInterface()->RunMessageLoop(instance_);
+    }
+  }
+
+  const std::vector<WebSocketEvent>& GetSeenEvents() const {
+    return events_;
+  }
+
+ private:
+  std::vector<WebSocketEvent> events_;
+  bool connected_;
+  bool received_;
+  bool closed_;
+  bool wait_for_connected_;
+  bool wait_for_received_;
+  bool wait_for_closed_;
+  PP_Instance instance_;
+};
+
+}  // namespace
 
 REGISTER_TEST_CASE(WebSocket);
 
 bool TestWebSocket::Init() {
   websocket_interface_ = static_cast<const PPB_WebSocket_Dev*>(
       pp::Module::Get()->GetBrowserInterface(PPB_WEBSOCKET_DEV_INTERFACE));
   var_interface_ = static_cast<const PPB_Var*>(
       pp::Module::Get()->GetBrowserInterface(PPB_VAR_INTERFACE));
   core_interface_ = static_cast<const PPB_Core*>(
       pp::Module::Get()->GetBrowserInterface(PPB_CORE_INTERFACE));
   if (!websocket_interface_ || !var_interface_ || !core_interface_)
     return false;
 
   return true;
 }
 
 void TestWebSocket::RunTests(const std::string& filter) {
   RUN_TEST(IsWebSocket, filter);
   RUN_TEST(UninitializedPropertiesAccess, filter);
   RUN_TEST(InvalidConnect, filter);
   RUN_TEST(GetURL, filter);
   RUN_TEST(ValidConnect, filter);
   RUN_TEST(InvalidClose, filter);
   RUN_TEST(ValidClose, filter);
   RUN_TEST(GetProtocol, filter);
   RUN_TEST(TextSendReceive, filter);
+
+  RUN_TEST(CcInvalidConnect, filter);
+  RUN_TEST(CcGetURL, filter);
+  RUN_TEST(CcValidConnect, filter);
+  RUN_TEST(CcGetProtocol, filter);
+  RUN_TEST(CcTextSendReceive, filter);
 }
 
 PP_Var TestWebSocket::CreateVar(const char* string) {
   return var_interface_->VarFromUtf8(
       pp::Module::Get()->pp_module(), string, strlen(string));
 }
 
 void TestWebSocket::ReleaseVar(const PP_Var& var) {
   var_interface_->Release(var);
 }
@@ skipping 15 matching lines @@
     const char* url, int32_t* result, const char* protocol) {
   PP_Var protocols[] = { PP_MakeUndefined() };
   PP_Resource ws = websocket_interface_->Create(instance_->pp_instance());
   if (!ws)
     return 0;
   PP_Var url_var = CreateVar(url);
   TestCompletionCallback callback(instance_->pp_instance(), force_async_);
   int protocol_count = 0;
   if (protocol) {
     protocols[0] = CreateVar(protocol);
-    protocol_count = 1;
+    protocol_count = 1U;
   }
   *result = websocket_interface_->Connect(
       ws, url_var, protocols, protocol_count,
       static_cast<pp::CompletionCallback>(callback).pp_completion_callback());
   ReleaseVar(url_var);
   if (protocol)
     ReleaseVar(protocols[0]);
   if (*result == PP_OK_COMPLETIONPENDING)
     *result = callback.WaitForResult();
   return ws;
@@ skipping 50 matching lines @@
 }
 
 std::string TestWebSocket::TestInvalidConnect() {
   PP_Var protocols[] = { PP_MakeUndefined() };
 
   PP_Resource ws = websocket_interface_->Create(instance_->pp_instance());
   ASSERT_TRUE(ws);
 
   TestCompletionCallback callback(instance_->pp_instance(), force_async_);
   int32_t result = websocket_interface_->Connect(
-      ws, PP_MakeUndefined(), protocols, 1,
+      ws, PP_MakeUndefined(), protocols, 1U,
       static_cast<pp::CompletionCallback>(callback).pp_completion_callback());
   ASSERT_EQ(PP_ERROR_BADARGUMENT, result);
 
   result = websocket_interface_->Connect(
-      ws, PP_MakeUndefined(), protocols, 1,
+      ws, PP_MakeUndefined(), protocols, 1U,
       static_cast<pp::CompletionCallback>(callback).pp_completion_callback());
   ASSERT_EQ(PP_ERROR_INPROGRESS, result);
 
   core_interface_->ReleaseResource(ws);
 
   for (int i = 0; kInvalidURLs[i]; ++i) {
     ws = Connect(kInvalidURLs[i], &result, NULL);
     ASSERT_TRUE(ws);
     ASSERT_EQ(PP_ERROR_BADARGUMENT, result);
 
@@ skipping 188 matching lines @@
   PASS();
 }
 
 // TODO(toyoshim): Add tests for GetBufferedAmount().
 // For now, the function doesn't work fine because update callback in WebKit is
 // not landed yet.
 
 // TODO(toyoshim): Add tests for didReceiveMessageError().
 
 // TODO(toyoshim): Add other function tests.
+
+std::string TestWebSocket::TestCcInvalidConnect() {
+  const pp::Var protocols[] = { pp::Var() };
+
+  TestWebSocketClient websocket(instance_);
+  int32_t result = websocket.Connect(pp::Var(), protocols, 1U);
+  ASSERT_EQ(PP_ERROR_BADARGUMENT, result);
+  ASSERT_EQ(0U, websocket.GetSeenEvents().size());
+
+  result = websocket.Connect(pp::Var(), protocols, 1U);
+  ASSERT_EQ(PP_ERROR_INPROGRESS, result);
+  ASSERT_EQ(0U, websocket.GetSeenEvents().size());
+
+  for (int i = 0; kInvalidURLs[i]; ++i) {
+    TestWebSocketClient ws(instance_);
+    result = ws.Connect(pp::Var(std::string(kInvalidURLs[i])), protocols, 0U);
+    ASSERT_EQ(PP_ERROR_BADARGUMENT, result);
+    ASSERT_EQ(0U, ws.GetSeenEvents().size());
+  }
+
+  PASS();
+}
+
+std::string TestWebSocket::TestCcGetURL() {
+  const pp::Var protocols[] = { pp::Var() };
+
+  for (int i = 0; kInvalidURLs[i]; ++i) {
+    TestWebSocketClient websocket(instance_);
+    int32_t result = websocket.Connect(
+        pp::Var(std::string(kInvalidURLs[i])), protocols, 0U);
+    ASSERT_EQ(PP_ERROR_BADARGUMENT, result);
+    pp::Var url = websocket.GetURL();
+    ASSERT_TRUE(AreEqual(url.pp_var(), kInvalidURLs[i]));
+    ASSERT_EQ(0U, websocket.GetSeenEvents().size());
+  }
+
+  PASS();
+}
+
+std::string TestWebSocket::TestCcValidConnect() {
+  const pp::Var protocols[] = { pp::Var() };
+  TestWebSocketClient websocket(instance_);
+  int32_t result = websocket.Connect(
+      pp::Var(std::string(kEchoServerURL)), protocols, 0U);
+  ASSERT_EQ(PP_OK_COMPLETIONPENDING, result);
+  websocket.WaitForConnected();
+  const std::vector<WebSocketEvent>& events = websocket.GetSeenEvents();
+  ASSERT_EQ(1U, events.size());
+  ASSERT_EQ(WebSocketEvent::EVENT_OPEN, events[0].event_type);
+
+  PASS();
+}
+
+std::string TestWebSocket::TestCcGetProtocol() {
+  const std::string protocol("x-chat");
+  const pp::Var protocols[] = { pp::Var(protocol) };
+  std::string url(kProtocolTestServerURL);
+  url += protocol;
+  TestWebSocketClient websocket(instance_);
+  int32_t result = websocket.Connect(pp::Var(url), protocols, 1U);
+  ASSERT_EQ(PP_OK_COMPLETIONPENDING, result);
+  websocket.WaitForConnected();
+  ASSERT_TRUE(AreEqual(websocket.GetProtocol().pp_var(), protocol.c_str()));
+  const std::vector<WebSocketEvent>& events = websocket.GetSeenEvents();
+  ASSERT_EQ(1U, events.size());
+  ASSERT_EQ(WebSocketEvent::EVENT_OPEN, events[0].event_type);
+
+  PASS();
+}
+
+std::string TestWebSocket::TestCcTextSendReceive() {
+  const pp::Var protocols[] = { pp::Var() };
+  TestWebSocketClient websocket(instance_);
+  int32_t result =
+      websocket.Connect(pp::Var(std::string(kEchoServerURL)), protocols, 0U);
+  ASSERT_EQ(PP_OK_COMPLETIONPENDING, result);
+  websocket.WaitForConnected();
+
+  // Send 'hello pepper'.
+  std::string message1("hello pepper");
+  result = websocket.Send(pp::Var(std::string(message1)));
+  ASSERT_EQ(PP_OK, result);
+
+  // Receive echoed 'hello pepper'.
+  websocket.WaitForReceived();
+
+  // Send 'goodbye pepper'.
+  std::string message2("goodbye pepper");
+  result = websocket.Send(pp::Var(std::string(message2)));
+
+  // Receive echoed 'goodbye pepper'.
+  websocket.WaitForReceived();
+
+  const std::vector<WebSocketEvent>& events = websocket.GetSeenEvents();
+  ASSERT_EQ(3U, events.size());
+  ASSERT_EQ(WebSocketEvent::EVENT_OPEN, events[0].event_type);
+  ASSERT_EQ(WebSocketEvent::EVENT_MESSAGE, events[1].event_type);
+  ASSERT_TRUE(AreEqual(events[1].var.pp_var(), message1.c_str()));
+  ASSERT_EQ(WebSocketEvent::EVENT_MESSAGE, events[2].event_type);
+  ASSERT_TRUE(AreEqual(events[2].var.pp_var(), message2.c_str()));
+
+  PASS();
+}