Revert of Moved webrtc/test/channel_transport/ into webrtc/voice_engine/test/

webrtc/test/channel_transport/udp_transport_unittest.cc

+/*
+ *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <vector>
+
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "webrtc/test/channel_transport/udp_transport.h"
+// We include the implementation header file to get at the dependency-injecting
+// constructor.
+#include "webrtc/test/channel_transport/udp_transport_impl.h"
+// We must mock the socket manager, for which we need its definition.
+#include "webrtc/test/channel_transport/udp_socket_manager_wrapper.h"
+
+using ::testing::_;
+using ::testing::Return;
+
+namespace webrtc {
+namespace test {
+
+class MockUdpSocketWrapper : public UdpSocketWrapper {
+ public:
+  // The following methods have to be mocked because they are pure.
+  MOCK_METHOD2(SetCallback, bool(CallbackObj, IncomingSocketCallback));
+  MOCK_METHOD1(Bind, bool(const SocketAddress&));
+  MOCK_METHOD0(ValidHandle, bool());
+  MOCK_METHOD4(SetSockopt, bool(int32_t, int32_t,
+                                const int8_t*,
+                                int32_t));
+  MOCK_METHOD1(SetTOS, int32_t(int32_t));
+  MOCK_METHOD3(SendTo, int32_t(const int8_t*, size_t, const SocketAddress&));
+  MOCK_METHOD8(SetQos, bool(int32_t, int32_t,
+                            int32_t, int32_t,
+                            int32_t, int32_t,
+                            const SocketAddress &,
+                            int32_t));
+};
+
+class MockUdpSocketManager : public UdpSocketManager {
+ public:
+  // Access to protected destructor.
+  void Destroy() {
+    delete this;
+  }
+  MOCK_METHOD2(Init, bool(int32_t, uint8_t&));
+  MOCK_METHOD0(Start, bool());
+  MOCK_METHOD0(Stop, bool());
+  MOCK_METHOD1(AddSocket, bool(UdpSocketWrapper*));
+  MOCK_METHOD1(RemoveSocket, bool(UdpSocketWrapper*));
+};
+
+class MockSocketFactory :
+    public UdpTransportImpl::SocketFactoryInterface {
+ public:
+  MockSocketFactory(std::vector<MockUdpSocketWrapper*>* socket_counter)
+      : socket_counter_(socket_counter) {
+  }
+  UdpSocketWrapper* CreateSocket(const int32_t id,
+                                 UdpSocketManager* mgr,
+                                 CallbackObj obj,
+                                 IncomingSocketCallback cb,
+                                 bool ipV6Enable,
+                                 bool disableGQOS) {
+    MockUdpSocketWrapper* socket = new MockUdpSocketWrapper();
+    // We instrument the socket with calls that are expected, but do
+    // not matter for any specific test, in order to avoid warning messages.
+    EXPECT_CALL(*socket, ValidHandle()).WillRepeatedly(Return(true));
+    EXPECT_CALL(*socket, Bind(_)).WillOnce(Return(true));
+    socket_counter_->push_back(socket);
+    return socket;
+  }
+  std::vector<MockUdpSocketWrapper*>* socket_counter_;
+};
+
+class UDPTransportTest : public ::testing::Test {
+ public:
+  UDPTransportTest()
+      : sockets_created_(0) {
+  }
+
+  ~UDPTransportTest() {
+    // In production, sockets register themselves at creation time with
+    // an UdpSocketManager, and the UdpSocketManager is responsible for
+    // deleting them. In this test, we just delete them after the test.
+    while (!sockets_created_.empty()) {
+      delete sockets_created_.back();
+      sockets_created_.pop_back();
+    }
+  }
+
+  int NumSocketsCreated() {
+    return sockets_created_.size();
+  }
+
+  std::vector<MockUdpSocketWrapper*>* sockets_created() {
+    return &sockets_created_;
+  }
+private:
+  std::vector<MockUdpSocketWrapper*> sockets_created_;
+};
+
+TEST_F(UDPTransportTest, CreateTransport) {
+  int32_t id = 0;
+  uint8_t threads = 1;
+  UdpTransport* transport = UdpTransport::Create(id, threads);
+  UdpTransport::Destroy(transport);
+}
+
+// This test verifies that the mock_socket is not called from the constructor.
+TEST_F(UDPTransportTest, ConstructorDoesNotCreateSocket) {
+  int32_t id = 0;
+  UdpTransportImpl::SocketFactoryInterface* null_maker = NULL;
+  UdpSocketManager* null_manager = NULL;
+  UdpTransport* transport = new UdpTransportImpl(id,
+                                                 null_maker,
+                                                 null_manager);
+  delete transport;
+}
+
+TEST_F(UDPTransportTest, InitializeSourcePorts) {
+  int32_t id = 0;
+  UdpTransportImpl::SocketFactoryInterface* mock_maker
+      = new MockSocketFactory(sockets_created());
+  MockUdpSocketManager* mock_manager = new MockUdpSocketManager();
+  UdpTransport* transport = new UdpTransportImpl(id,
+                                                 mock_maker,
+                                                 mock_manager);
+  EXPECT_EQ(0, transport->InitializeSourcePorts(4711, 4712));
+  EXPECT_EQ(2, NumSocketsCreated());
+
+  delete transport;
+  mock_manager->Destroy();
+}
+
+}  // namespace test
+}  // namespace webrtc