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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 <stddef.h>
#include "base/memory/ptr_util.h"
#include "chrome/browser/extensions/api/dial/dial_device_data.h"
#include "chrome/browser/extensions/api/dial/dial_registry.h"
#include "chrome/browser/extensions/api/dial/dial_service.h"
#include "chrome/test/base/testing_profile.h"
#include "content/public/test/test_browser_thread_bundle.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
using base::Time;
using base::TimeDelta;
using ::testing::A;
using ::testing::AtLeast;
using ::testing::Return;
using ::testing::InSequence;
namespace extensions {
namespace api {
namespace dial {
class MockDialObserver : public DialRegistry::Observer {
public:
~MockDialObserver() override {}
MOCK_METHOD1(OnDialDeviceEvent,
void(const DialRegistry::DeviceList& devices));
MOCK_METHOD1(OnDialError, void(DialRegistry::DialErrorCode type));
};
class MockDialService : public DialService {
public:
~MockDialService() override {}
MOCK_METHOD0(Discover, bool());
MOCK_METHOD1(AddObserver, void(DialService::Observer*));
MOCK_METHOD1(RemoveObserver, void(DialService::Observer*));
MOCK_CONST_METHOD1(HasObserver, bool(const DialService::Observer*));
};
class MockDialRegistry : public DialRegistry {
public:
MockDialRegistry(Observer* dial_api,
const base::TimeDelta& refresh_interval,
const base::TimeDelta& expiration,
const size_t max_devices)
: DialRegistry(dial_api, refresh_interval, expiration, max_devices),
time_(Time::Now()) {}
~MockDialRegistry() override {
// Don't let the DialRegistry delete this.
DialService* tmp = dial_.release();
if (tmp)
CHECK_EQ(&mock_service_, tmp);
}
// Returns the mock Dial service.
MockDialService& mock_service() {
return mock_service_;
}
void set_time(Time time) { time_ = time; }
protected:
base::Time Now() const override { return time_; }
std::unique_ptr<DialService> CreateDialService() override {
return base::WrapUnique(&mock_service_);
}
void ClearDialService() override {
// Release the pointer but don't delete the object because the test owns it.
CHECK_EQ(&mock_service_, dial_.release());
}
private:
MockDialService mock_service_;
// Set to mock out the current time.
Time time_;
};
class DialRegistryTest : public testing::Test {
public:
DialRegistryTest()
: thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP),
first_device_("first", GURL("http://127.0.0.1/dd.xml"), Time::Now()),
second_device_("second", GURL("http://127.0.0.2/dd.xml"), Time::Now()),
third_device_("third", GURL("http://127.0.0.3/dd.xml"), Time::Now()) {
registry_ = base::MakeUnique<MockDialRegistry>(
&mock_observer_, TimeDelta::FromSeconds(1000),
TimeDelta::FromSeconds(10), 10);
list_with_first_device_.push_back(first_device_);
list_with_second_device_.push_back(second_device_);
}
protected:
void SetListenerExpectations() {
EXPECT_CALL(registry_->mock_service(),
AddObserver(A<DialService::Observer*>()));
EXPECT_CALL(registry_->mock_service(),
RemoveObserver(A<DialService::Observer*>()));
}
content::TestBrowserThreadBundle thread_bundle_;
std::unique_ptr<MockDialRegistry> registry_;
MockDialObserver mock_observer_;
const DialDeviceData first_device_;
const DialDeviceData second_device_;
const DialDeviceData third_device_;
const DialRegistry::DeviceList empty_list_;
DialRegistry::DeviceList list_with_first_device_;
DialRegistry::DeviceList list_with_second_device_;
};
TEST_F(DialRegistryTest, TestAddRemoveListeners) {
SetListenerExpectations();
EXPECT_CALL(registry_->mock_service(), Discover());
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(empty_list_)).Times(2);
EXPECT_FALSE(registry_->repeating_timer_.IsRunning());
registry_->OnListenerAdded();
EXPECT_TRUE(registry_->repeating_timer_.IsRunning());
registry_->OnListenerAdded();
EXPECT_TRUE(registry_->repeating_timer_.IsRunning());
registry_->OnListenerRemoved();
EXPECT_TRUE(registry_->repeating_timer_.IsRunning());
registry_->OnListenerRemoved();
EXPECT_FALSE(registry_->repeating_timer_.IsRunning());
}
TEST_F(DialRegistryTest, TestNoDevicesDiscovered) {
SetListenerExpectations();
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(empty_list_));
EXPECT_CALL(registry_->mock_service(), Discover());
registry_->OnListenerAdded();
registry_->OnDiscoveryRequest(nullptr);
registry_->OnDiscoveryFinished(nullptr);
registry_->OnListenerRemoved();
}
TEST_F(DialRegistryTest, TestDevicesDiscovered) {
DialRegistry::DeviceList expected_list2;
expected_list2.push_back(first_device_);
expected_list2.push_back(second_device_);
SetListenerExpectations();
InSequence s;
EXPECT_CALL(registry_->mock_service(), Discover());
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(empty_list_));
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(list_with_first_device_));
EXPECT_CALL(registry_->mock_service(), Discover());
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(expected_list2));
registry_->OnListenerAdded();
registry_->OnDiscoveryRequest(nullptr);
registry_->OnDeviceDiscovered(nullptr, first_device_);
registry_->OnDiscoveryFinished(nullptr);
registry_->DoDiscovery();
registry_->OnDiscoveryRequest(nullptr);
registry_->OnDeviceDiscovered(nullptr, second_device_);
registry_->OnDiscoveryFinished(nullptr);
registry_->OnListenerRemoved();
}
TEST_F(DialRegistryTest, TestDevicesDiscoveredWithTwoListeners) {
DialRegistry::DeviceList expected_list2;
expected_list2.push_back(first_device_);
expected_list2.push_back(second_device_);
SetListenerExpectations();
InSequence s;
EXPECT_CALL(registry_->mock_service(), Discover());
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(empty_list_));
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(list_with_first_device_))
.Times(2);
EXPECT_CALL(registry_->mock_service(), Discover());
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(expected_list2));
registry_->OnListenerAdded();
registry_->OnDiscoveryRequest(nullptr);
registry_->OnDeviceDiscovered(nullptr, first_device_);
registry_->OnDiscoveryFinished(nullptr);
registry_->OnListenerAdded();
registry_->DoDiscovery();
registry_->OnDiscoveryRequest(nullptr);
registry_->OnDeviceDiscovered(nullptr, second_device_);
registry_->OnDiscoveryFinished(nullptr);
registry_->OnListenerRemoved();
registry_->OnListenerRemoved();
}
TEST_F(DialRegistryTest, TestDeviceExpires) {
SetListenerExpectations();
InSequence s;
EXPECT_CALL(registry_->mock_service(), Discover());
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(empty_list_));
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(list_with_first_device_));
EXPECT_CALL(registry_->mock_service(), Discover());
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(empty_list_));
registry_->OnListenerAdded();
registry_->OnDiscoveryRequest(nullptr);
registry_->OnDeviceDiscovered(nullptr, first_device_);
registry_->OnDiscoveryFinished(nullptr);
registry_->set_time(Time::Now() + TimeDelta::FromSeconds(30));
registry_->DoDiscovery();
registry_->OnDiscoveryRequest(nullptr);
registry_->OnDiscoveryFinished(nullptr);
registry_->OnListenerRemoved();
}
TEST_F(DialRegistryTest, TestExpiredDeviceIsRediscovered) {
std::vector<Time> discovery_times;
discovery_times.push_back(Time::Now());
discovery_times.push_back(discovery_times[0] + TimeDelta::FromSeconds(30));
discovery_times.push_back(discovery_times[1] + TimeDelta::FromSeconds(30));
DialDeviceData rediscovered_device("first",
GURL("http://127.0.0.1/dd.xml"),
discovery_times[2]);
SetListenerExpectations();
InSequence s;
EXPECT_CALL(registry_->mock_service(), Discover());
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(empty_list_));
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(list_with_first_device_));
EXPECT_CALL(registry_->mock_service(), Discover());
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(empty_list_));
EXPECT_CALL(registry_->mock_service(), Discover());
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(list_with_first_device_));
registry_->set_time(discovery_times[0]);
registry_->OnListenerAdded();
registry_->OnDiscoveryRequest(nullptr);
registry_->OnDeviceDiscovered(nullptr, first_device_);
registry_->OnDiscoveryFinished(nullptr);
// Will expire "first" device as it is not discovered this time.
registry_->set_time(discovery_times[1]);
registry_->DoDiscovery();
registry_->OnDiscoveryRequest(nullptr);
registry_->OnDiscoveryFinished(nullptr);
// "first" device is rediscovered 30 seconds later. We pass a device object
// with a newer discovery time so it is not pruned immediately.
registry_->set_time(discovery_times[2]);
registry_->DoDiscovery();
registry_->OnDiscoveryRequest(nullptr);
registry_->OnDeviceDiscovered(nullptr, rediscovered_device);
registry_->OnDiscoveryFinished(nullptr);
registry_->OnListenerRemoved();
}
TEST_F(DialRegistryTest, TestRemovingListenerDoesNotClearList) {
DialRegistry::DeviceList expected_list2;
expected_list2.push_back(first_device_);
expected_list2.push_back(second_device_);
InSequence s;
EXPECT_CALL(registry_->mock_service(),
AddObserver(A<DialService::Observer*>()));
EXPECT_CALL(registry_->mock_service(), Discover());
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(empty_list_));
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(expected_list2));
EXPECT_CALL(registry_->mock_service(),
RemoveObserver(A<DialService::Observer*>()));
registry_->OnListenerAdded();
registry_->OnDiscoveryRequest(nullptr);
registry_->OnDeviceDiscovered(nullptr, first_device_);
registry_->OnDeviceDiscovered(nullptr, second_device_);
registry_->OnDiscoveryFinished(nullptr);
registry_->OnListenerRemoved();
// Removing and adding a listener again fires an event with the current device
// list (even though no new devices were discovered).
EXPECT_CALL(registry_->mock_service(),
AddObserver(A<DialService::Observer*>()));
EXPECT_CALL(registry_->mock_service(), Discover());
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(expected_list2));
EXPECT_CALL(registry_->mock_service(),
RemoveObserver(A<DialService::Observer*>()));
registry_->OnListenerAdded();
registry_->OnDiscoveryRequest(nullptr);
registry_->OnDiscoveryFinished(nullptr);
registry_->OnListenerRemoved();
}
TEST_F(DialRegistryTest, TestNetworkEventConnectionLost) {
SetListenerExpectations();
InSequence s;
EXPECT_CALL(registry_->mock_service(), Discover());
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(empty_list_));
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(list_with_first_device_));
EXPECT_CALL(mock_observer_,
OnDialError(DialRegistry::DIAL_NETWORK_DISCONNECTED));
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(empty_list_));
registry_->OnListenerAdded();
registry_->OnDiscoveryRequest(nullptr);
registry_->OnDeviceDiscovered(nullptr, first_device_);
registry_->OnDiscoveryFinished(nullptr);
registry_->OnNetworkChanged(net::NetworkChangeNotifier::CONNECTION_NONE);
registry_->OnDiscoveryRequest(nullptr);
registry_->OnDiscoveryFinished(nullptr);
registry_->OnListenerRemoved();
}
TEST_F(DialRegistryTest, TestNetworkEventConnectionRestored) {
DialRegistry::DeviceList expected_list3;
expected_list3.push_back(second_device_);
expected_list3.push_back(third_device_);
// A disconnection should shutdown the DialService, so we expect the observer
// to be added twice.
EXPECT_CALL(registry_->mock_service(),
AddObserver(A<DialService::Observer*>()))
.Times(2);
EXPECT_CALL(registry_->mock_service(),
RemoveObserver(A<DialService::Observer*>()))
.Times(2);
InSequence s;
EXPECT_CALL(registry_->mock_service(), Discover());
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(empty_list_));
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(list_with_first_device_));
EXPECT_CALL(mock_observer_,
OnDialError(DialRegistry::DIAL_NETWORK_DISCONNECTED));
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(empty_list_));
EXPECT_CALL(registry_->mock_service(), Discover());
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(list_with_second_device_));
EXPECT_CALL(mock_observer_, OnDialDeviceEvent(expected_list3));
registry_->OnListenerAdded();
registry_->OnDiscoveryRequest(nullptr);
registry_->OnDeviceDiscovered(nullptr, first_device_);
registry_->OnDiscoveryFinished(nullptr);
registry_->OnNetworkChanged(net::NetworkChangeNotifier::CONNECTION_NONE);
registry_->OnDiscoveryRequest(nullptr);
registry_->OnDiscoveryFinished(nullptr);
registry_->OnNetworkChanged(net::NetworkChangeNotifier::CONNECTION_WIFI);
registry_->OnDiscoveryRequest(nullptr);
registry_->OnDeviceDiscovered(nullptr, second_device_);
registry_->OnDiscoveryFinished(nullptr);
registry_->OnNetworkChanged(net::NetworkChangeNotifier::CONNECTION_ETHERNET);
registry_->OnDiscoveryRequest(nullptr);
registry_->OnDeviceDiscovered(nullptr, third_device_);
registry_->OnDiscoveryFinished(nullptr);
registry_->OnListenerRemoved();
}
} // namespace dial
} // namespace api
} // namespace extensions
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