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// Copyright (c) 2012 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/network/network_state_handler.h"
#include <map>
#include <set>
#include <string>
#include "base/bind.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop.h"
#include "base/values.h"
#include "chromeos/dbus/dbus_thread_manager.h"
#include "chromeos/dbus/shill_manager_client.h"
#include "chromeos/dbus/shill_service_client.h"
#include "chromeos/network/network_state.h"
#include "chromeos/network/network_state_handler_observer.h"
#include "dbus/object_path.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace {
void ErrorCallbackFunction(const std::string& error_name,
const std::string& error_message) {
LOG(ERROR) << "Shill Error: " << error_name << " : " << error_message;
}
using chromeos::NetworkState;
class TestObserver : public chromeos::NetworkStateHandlerObserver {
public:
TestObserver()
: manager_changed_count_(0),
network_count_(0) {
}
virtual ~TestObserver() {
}
virtual void NetworkManagerChanged() {
++manager_changed_count_;
}
virtual void NetworkListChanged(
const chromeos::NetworkStateHandler::NetworkStateList& networks) {
network_count_ = networks.size();
}
virtual void ActiveNetworkChanged(const NetworkState* network) {
active_network_ = network ? network->path() : "";
active_network_state_ = network ? network->state() : "";
}
virtual void ActiveNetworkStateChanged(const NetworkState* network) {
active_network_state_ = network ? network->state() : "";
}
virtual void NetworkServiceChanged(const NetworkState* network) {
DCHECK(network);
std::map<std::string, int>::iterator iter =
property_changes_.find(network->path());
if (iter == property_changes_.end())
property_changes_[network->path()] = 1;
else
iter->second++;
}
size_t manager_changed_count() { return manager_changed_count_; }
size_t network_count() { return network_count_; }
std::string active_network() { return active_network_; }
std::string active_network_state() { return active_network_state_; }
int PropertyChangesForService(const std::string& service_path) {
std::map<std::string, int>::iterator iter =
property_changes_.find(service_path);
if (iter == property_changes_.end())
return 0;
return iter->second;
}
private:
size_t manager_changed_count_;
size_t network_count_;
std::string active_network_;
std::string active_network_state_;
std::map<std::string, int> property_changes_;
DISALLOW_COPY_AND_ASSIGN(TestObserver);
};
} // namespace
namespace chromeos {
class NetworkStateHandlerTest : public testing::Test {
public:
NetworkStateHandlerTest() {}
virtual ~NetworkStateHandlerTest() {}
virtual void SetUp() OVERRIDE {
// Initialize DBusThreadManager with a stub implementation.
DBusThreadManager::InitializeWithStub();
}
virtual void TearDown() OVERRIDE {
network_state_handler_.reset();
test_observer_.reset();
DBusThreadManager::Shutdown();
}
void SetupNetworkStateHandler() {
test_observer_.reset(new TestObserver);
network_state_handler_.reset(new NetworkStateHandler);
network_state_handler_->AddObserver(test_observer_.get());
network_state_handler_->InitShillPropertyHandler();
}
protected:
MessageLoopForUI message_loop_;
scoped_ptr<NetworkStateHandler> network_state_handler_;
scoped_ptr<TestObserver> test_observer_;
private:
DISALLOW_COPY_AND_ASSIGN(NetworkStateHandlerTest);
};
TEST_F(NetworkStateHandlerTest, NetworkStateHandlerStub) {
// This relies on the stub dbus implementations for ShillManagerClient,
SetupNetworkStateHandler();
message_loop_.RunUntilIdle();
EXPECT_EQ(1u, test_observer_->manager_changed_count());
// Ensure that the network list is the expected size.
const size_t kNumShillManagerClientStubImplServices = 4;
EXPECT_EQ(kNumShillManagerClientStubImplServices,
test_observer_->network_count());
// Ensure that the first stub network is the active network.
const std::string kShillManagerClientStubActiveService = "stub_ethernet";
EXPECT_EQ(kShillManagerClientStubActiveService,
test_observer_->active_network());
EXPECT_EQ(kShillManagerClientStubActiveService,
network_state_handler_->ActiveNetwork()->path());
EXPECT_EQ(kShillManagerClientStubActiveService,
network_state_handler_->ConnectedNetworkByType(
flimflam::kTypeEthernet)->path());
EXPECT_EQ(flimflam::kStateOnline, test_observer_->active_network_state());
}
TEST_F(NetworkStateHandlerTest, NetworkStateHandlerTechnologyChanged) {
// This relies on the stub dbus implementations for ShillManagerClient,
SetupNetworkStateHandler();
message_loop_.RunUntilIdle();
EXPECT_EQ(1u, test_observer_->manager_changed_count());
// Enable a technology.
EXPECT_FALSE(network_state_handler_->TechnologyEnabled(flimflam::kTypeWimax));
network_state_handler_->SetTechnologyEnabled(
flimflam::kTypeWimax, true, network_handler::ErrorCallback());
message_loop_.RunUntilIdle();
// Ensure we get a manager changed callback when we change a property.
EXPECT_EQ(2u, test_observer_->manager_changed_count());
EXPECT_TRUE(network_state_handler_->TechnologyEnabled(flimflam::kTypeWimax));
}
TEST_F(NetworkStateHandlerTest, NetworkStateHandlerServicePropertyChanged) {
// This relies on the stub dbus implementations for ShillManagerClient,
SetupNetworkStateHandler();
message_loop_.RunUntilIdle();
// Set a service property.
const std::string eth0 = "stub_ethernet";
EXPECT_EQ("", network_state_handler_->GetNetworkState(eth0)->security());
EXPECT_EQ(1, test_observer_->PropertyChangesForService(eth0));
base::StringValue security_value("TestSecurity");
DBusThreadManager::Get()->GetShillServiceClient()->SetProperty(
dbus::ObjectPath(eth0),
flimflam::kSecurityProperty, security_value,
base::Bind(&base::DoNothing), base::Bind(&ErrorCallbackFunction));
message_loop_.RunUntilIdle();
EXPECT_EQ("TestSecurity",
network_state_handler_->GetNetworkState(eth0)->security());
EXPECT_EQ(2, test_observer_->PropertyChangesForService(eth0));
}
TEST_F(NetworkStateHandlerTest, NetworkStateHandlerActiveServiceChanged) {
// This relies on the stub dbus implementations for ShillManagerClient,
SetupNetworkStateHandler();
message_loop_.RunUntilIdle();
// Change the active network by inserting wifi1 at the front of the list.
ShillManagerClient::TestInterface* manager_test =
DBusThreadManager::Get()->GetShillManagerClient()->GetTestInterface();
ASSERT_TRUE(manager_test);
const std::string wifi1 = "stub_wifi1";
manager_test->AddServiceAtIndex(wifi1, 0, true);
message_loop_.RunUntilIdle();
EXPECT_EQ(wifi1, test_observer_->active_network());
EXPECT_EQ(flimflam::kStateOnline, test_observer_->active_network_state());
// Change the state of wifi1, ensure that triggers the active state changed
// observer.
ShillServiceClient::TestInterface* service_test =
DBusThreadManager::Get()->GetShillServiceClient()->GetTestInterface();
ASSERT_TRUE(service_test);
base::StringValue state_value(flimflam::kStateConfiguration);
service_test->SetServiceProperty(wifi1, flimflam::kStateProperty,
state_value);
message_loop_.RunUntilIdle();
EXPECT_EQ(wifi1, test_observer_->active_network());
EXPECT_EQ(flimflam::kStateConfiguration,
test_observer_->active_network_state());
}
} // namespace chromeos
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