[CrOS Tether] Create TetherDisconnector, which disconnects from active tethering sessions.

chromeos/components/tether/network_connection_handler_tether_delegate_unittest.cc

Index: chromeos/components/tether/network_connection_handler_tether_delegate_unittest.cc
diff --git a/chromeos/components/tether/network_connection_handler_tether_delegate_unittest.cc b/chromeos/components/tether/network_connection_handler_tether_delegate_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..cc1df5effc0efbbeb4d0ff8448bca6fb3f02a015
--- /dev/null
+++ b/chromeos/components/tether/network_connection_handler_tether_delegate_unittest.cc
@@ -0,0 +1,139 @@
+// Copyright 2016 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 "chromeos/components/tether/network_connection_handler_tether_delegate.h"
+
+#include <memory>
+
+#include "chromeos/components/tether/tether_connector.h"
+#include "chromeos/components/tether/tether_disconnector.h"
+#include "chromeos/network/network_connection_handler.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using testing::_;
+using testing::NiceMock;
+
+namespace chromeos {
+
+namespace tether {
+
+namespace {
+
+class TestNetworkConnectionHandler : public NetworkConnectionHandler {
+ public:
+  TestNetworkConnectionHandler() : NetworkConnectionHandler() {}
+  ~TestNetworkConnectionHandler() override {}
+
+  void CallTetherConnect(const std::string& tether_network_guid,
+                         const base::Closure& success_callback,
+                         const network_handler::ErrorCallback& error_callback) {
+    InitiateTetherNetworkConnection(tether_network_guid, success_callback,
+                                    error_callback);
+  }
+
+  // NetworkConnectionHandler:
+  void ConnectToNetwork(const std::string& service_path,
+                        const base::Closure& success_callback,
+                        const network_handler::ErrorCallback& error_callback,
+                        bool check_error_state) override {}
+
+  void DisconnectNetwork(
+      const std::string& service_path,
+      const base::Closure& success_callback,
+      const network_handler::ErrorCallback& error_callback) override {}
+
+  bool HasConnectingNetwork(const std::string& service_path) override {
+    return false;
+  }
+
+  bool HasPendingConnectRequest() override { return false; }
+
+  void Init(NetworkStateHandler* network_state_handler,
+            NetworkConfigurationHandler* network_configuration_handler,
+            ManagedNetworkConfigurationHandler*
+                managed_network_configuration_handler) override {}
+};
+
+class MockTetherConnector : public TetherConnector {
+ public:
+  MockTetherConnector()
+      : TetherConnector(nullptr /* network_state_handler */,
+                        nullptr /* wifi_hotspot_connector */,
+                        nullptr /* active_host */,
+                        nullptr /* tether_host_fetcher */,
+                        nullptr /* connection_manager */,
+                        nullptr /* tether_host_response_recorder */,
+                        nullptr /* device_id_tether_network_guid_map */) {}
+  ~MockTetherConnector() override {}
+
+  MOCK_METHOD3(
+      ConnectToNetwork,
+      void(const std::string& tether_network_guid,
+           const base::Closure& success_callback,
+           const network_handler::StringResultCallback& error_callback));
+};
+
+class MockTetherDisconnector : public TetherDisconnector {
+ public:
+  MockTetherDisconnector()
+      : TetherDisconnector(nullptr /* network_connection_handler */,
+                           nullptr /* network_state_handler */,
+                           nullptr /* active_host */,
+                           nullptr /* ble_connection_manager */,
+                           nullptr /* network_configuration_remover */,
+                           nullptr /* tether_connector */,
+                           nullptr /* device_id_tether_network_guid_map */,
+                           nullptr /* tether_host_fetcher */) {}
+  ~MockTetherDisconnector() override {}
+
+  MOCK_METHOD3(
+      DisconnectFomNetwork,
+      void(const std::string& tether_network_guid,
+           const base::Closure& success_callback,
+           const network_handler::StringResultCallback& error_callback));
+};
+
+}  // namespace
+
+// TODO(khorimoto): Also write a test for disconnection. This is part of a
+// follow-up CL.
+class NetworkConnectionHandlerTetherDelegateTest : public testing::Test {
+ protected:
+  NetworkConnectionHandlerTetherDelegateTest() {}
+
+  void SetUp() override {
+    test_network_connection_handler_ =
+        base::WrapUnique(new TestNetworkConnectionHandler());
+    mock_tether_connector_ =
+        base::WrapUnique(new NiceMock<MockTetherConnector>());
+    mock_tether_disconnector_ =
+        base::WrapUnique(new NiceMock<MockTetherDisconnector>());
+
+    delegate_ = base::MakeUnique<NetworkConnectionHandlerTetherDelegate>(
+        test_network_connection_handler_.get(), mock_tether_connector_.get(),
+        mock_tether_disconnector_.get());
+  }
+
+  std::unique_ptr<TestNetworkConnectionHandler>
+      test_network_connection_handler_;
+  std::unique_ptr<NiceMock<MockTetherConnector>> mock_tether_connector_;
+  std::unique_ptr<NiceMock<MockTetherDisconnector>> mock_tether_disconnector_;
+
+  std::unique_ptr<NetworkConnectionHandlerTetherDelegate> delegate_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(NetworkConnectionHandlerTetherDelegateTest);
+};
+
+TEST_F(NetworkConnectionHandlerTetherDelegateTest, TestConnect) {
+  EXPECT_CALL(*mock_tether_connector_, ConnectToNetwork(_, _, _));
+
+  test_network_connection_handler_->CallTetherConnect(
+      "tetherNetworkGuid", base::Closure(), network_handler::ErrorCallback());
+}
+
+}  // namespace tether
+
+}  // namespace cryptauth