Adding the base ChromotingInstance implementation and unittests. This class will be used by the ap…

remoting/protocol/fake_connection_to_host.cc

+// Copyright 2015 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 "remoting/protocol/fake_connection_to_host.h"
+
+#include "remoting/protocol/authenticator.h"
+
+namespace remoting {
+namespace test {
+
+FakeConnectionToHost::FakeConnectionToHost() :
+    session_state_change_error_code_(protocol::ErrorCode::OK) {}
+
+FakeConnectionToHost::~FakeConnectionToHost() {}
+
+void FakeConnectionToHost::ConnectPtr(
+    SignalStrategy* signal_strategy,
+    protocol::TransportFactory* transport_factory,
+    protocol::Authenticator* authenticator,
+    const std::string& host_jid,
+    HostEventCallback* event_callback) {
+  DCHECK(CalledOnValidThread());
+
+  // WARNING: Do not store |transport_factory| or |authenticator|.
+  // This function is given raw pointers for these params instead of a
+  // scoped_ptr so the method can be called using GMock macros.  Since we cannot
+  // take ownership of the pointer, it isn't safe to assign them here for later
+  // use.
+  // |event_callback| and |signal_strategy| are OK to use as they are both raw
+  // ptrs in the original method signature.
+  event_callback_ = event_callback;
+
+  SetState(CONNECTING, protocol::OK);
+}
+
+void FakeConnectionToHost::OnSessionStateChange(
+    protocol::Session::State state) {
+  DCHECK(CalledOnValidThread());
+  DCHECK(event_callback_);
+
+  switch (state) {
+    case protocol::Session::INITIALIZING:
+    case protocol::Session::CONNECTING:
+    case protocol::Session::ACCEPTING:
+    case protocol::Session::AUTHENTICATING:
+      // No updates for these events.
+      break;
+
+    case protocol::Session::CONNECTED:
+      SetState(CONNECTED, protocol::ErrorCode::OK);
+      break;
+
+    case protocol::Session::AUTHENTICATED:
+      SetState(AUTHENTICATED, protocol::ErrorCode::OK);
+      break;
+
+    case protocol::Session::CLOSED:
+      SetState(CLOSED, protocol::ErrorCode::OK);
+      break;
+
+    case protocol::Session::FAILED:
+      // session_state_change_error_code_ must be set before sending a FAILED
+      // session state.
+      DCHECK(session_state_change_error_code_ != protocol::ErrorCode::OK);
+      SetState(FAILED, session_state_change_error_code_);
+      break;
+  }
+}
+
+void FakeConnectionToHost::OnVideoChannelStatus(bool active) {
+  DCHECK(CalledOnValidThread());
+  DCHECK(event_callback_);
+
+  event_callback_->OnConnectionReady(active);
+}
+
+}  // namespace test
+}  // namespace remoting