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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 <vector>
#include "base/memory/scoped_ptr.h"
#include "base/string_util.h"
#include "base/third_party/dynamic_annotations/dynamic_annotations.h"
#include "base/utf_string_conversions.h"
#include "content/browser/geolocation/wifi_data_provider_common.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using testing::_;
using testing::AtLeast;
using testing::DoDefault;
using testing::Invoke;
using testing::Return;
namespace content {
class MockWlanApi : public WifiDataProviderCommon::WlanApiInterface {
public:
MockWlanApi() : calls_(0), bool_return_(true) {
ANNOTATE_BENIGN_RACE(&calls_, "This is a test-only data race on a counter");
ON_CALL(*this, GetAccessPointData(_))
.WillByDefault(Invoke(this, &MockWlanApi::GetAccessPointDataInternal));
}
MOCK_METHOD1(GetAccessPointData, bool(WifiData::AccessPointDataSet* data));
int calls_;
bool bool_return_;
WifiData::AccessPointDataSet data_out_;
private:
bool GetAccessPointDataInternal(WifiData::AccessPointDataSet* data) {
++calls_;
*data = data_out_;
return bool_return_;
}
};
class MockPollingPolicy :public PollingPolicyInterface {
public:
MockPollingPolicy() {
ON_CALL(*this,PollingInterval())
.WillByDefault(Return(1));
ON_CALL(*this,NoWifiInterval())
.WillByDefault(Return(1));
}
MOCK_METHOD0(PollingInterval, int());
MOCK_METHOD0(NoWifiInterval, int());
virtual void UpdatePollingInterval(bool) {}
};
// Stops the specified (nested) message loop when the listener is called back.
class MessageLoopQuitListener
: public WifiDataProviderCommon::ListenerInterface {
public:
explicit MessageLoopQuitListener(base::MessageLoop* message_loop)
: message_loop_to_quit_(message_loop) {
CHECK(message_loop_to_quit_ != NULL);
}
// ListenerInterface
virtual void DeviceDataUpdateAvailable(
DeviceDataProvider<WifiData>* provider) OVERRIDE {
// Provider should call back on client's thread.
EXPECT_EQ(base::MessageLoop::current(), message_loop_to_quit_);
provider_ = provider;
message_loop_to_quit_->QuitNow();
}
base::MessageLoop* message_loop_to_quit_;
DeviceDataProvider<WifiData>* provider_;
};
class WifiDataProviderCommonWithMock : public WifiDataProviderCommon {
public:
WifiDataProviderCommonWithMock()
: new_wlan_api_(new MockWlanApi),
new_polling_policy_(new MockPollingPolicy) {}
// WifiDataProviderCommon
virtual WlanApiInterface* NewWlanApi() OVERRIDE {
CHECK(new_wlan_api_ != NULL);
return new_wlan_api_.release();
}
virtual PollingPolicyInterface* NewPollingPolicy() OVERRIDE {
CHECK(new_polling_policy_ != NULL);
return new_polling_policy_.release();
}
scoped_ptr<MockWlanApi> new_wlan_api_;
scoped_ptr<MockPollingPolicy> new_polling_policy_;
private:
virtual ~WifiDataProviderCommonWithMock() {}
DISALLOW_COPY_AND_ASSIGN(WifiDataProviderCommonWithMock);
};
WifiDataProviderImplBase* CreateWifiDataProviderCommonWithMock() {
return new WifiDataProviderCommonWithMock;
}
// Main test fixture
class GeolocationWifiDataProviderCommonTest : public testing::Test {
public:
GeolocationWifiDataProviderCommonTest()
: quit_listener_(&main_message_loop_) {
}
virtual void SetUp() {
provider_ = new WifiDataProviderCommonWithMock;
wlan_api_ = provider_->new_wlan_api_.get();
polling_policy_ = provider_->new_polling_policy_.get();
provider_->AddListener(&quit_listener_);
}
virtual void TearDown() {
provider_->RemoveListener(&quit_listener_);
provider_->StopDataProvider();
provider_ = NULL;
}
protected:
base::MessageLoop main_message_loop_;
MessageLoopQuitListener quit_listener_;
scoped_refptr<WifiDataProviderCommonWithMock> provider_;
MockWlanApi* wlan_api_;
MockPollingPolicy* polling_policy_;
};
TEST_F(GeolocationWifiDataProviderCommonTest, CreateDestroy) {
// Test fixture members were SetUp correctly.
EXPECT_EQ(&main_message_loop_, base::MessageLoop::current());
EXPECT_TRUE(NULL != provider_.get());
EXPECT_TRUE(NULL != wlan_api_);
}
TEST_F(GeolocationWifiDataProviderCommonTest, StartThread) {
EXPECT_CALL(*wlan_api_, GetAccessPointData(_))
.Times(AtLeast(1));
EXPECT_CALL(*polling_policy_, PollingInterval())
.Times(AtLeast(1));
EXPECT_TRUE(provider_->StartDataProvider());
main_message_loop_.Run();
SUCCEED();
}
TEST_F(GeolocationWifiDataProviderCommonTest, NoWifi){
EXPECT_CALL(*polling_policy_, NoWifiInterval())
.Times(AtLeast(1));
EXPECT_CALL(*wlan_api_, GetAccessPointData(_))
.WillRepeatedly(Return(false));
provider_->StartDataProvider();
main_message_loop_.Run();
}
TEST_F(GeolocationWifiDataProviderCommonTest, IntermittentWifi){
EXPECT_CALL(*polling_policy_, PollingInterval())
.Times(AtLeast(1));
EXPECT_CALL(*polling_policy_, NoWifiInterval())
.Times(1);
EXPECT_CALL(*wlan_api_, GetAccessPointData(_))
.WillOnce(Return(true))
.WillOnce(Return(false))
.WillRepeatedly(DoDefault());
AccessPointData single_access_point;
single_access_point.channel = 2;
single_access_point.mac_address = 3;
single_access_point.radio_signal_strength = 4;
single_access_point.signal_to_noise = 5;
single_access_point.ssid = ASCIIToUTF16("foossid");
wlan_api_->data_out_.insert(single_access_point);
provider_->StartDataProvider();
main_message_loop_.Run();
main_message_loop_.Run();
}
TEST_F(GeolocationWifiDataProviderCommonTest, DoAnEmptyScan) {
EXPECT_CALL(*wlan_api_, GetAccessPointData(_))
.Times(AtLeast(1));
EXPECT_CALL(*polling_policy_, PollingInterval())
.Times(AtLeast(1));
EXPECT_TRUE(provider_->StartDataProvider());
main_message_loop_.Run();
// Check we had at least one call. The worker thread may have raced ahead
// and made multiple calls.
EXPECT_GT(wlan_api_->calls_, 0);
WifiData data;
EXPECT_TRUE(provider_->GetData(&data));
EXPECT_EQ(0, static_cast<int>(data.access_point_data.size()));
}
TEST_F(GeolocationWifiDataProviderCommonTest, DoScanWithResults) {
EXPECT_CALL(*wlan_api_, GetAccessPointData(_))
.Times(AtLeast(1));
EXPECT_CALL(*polling_policy_, PollingInterval())
.Times(AtLeast(1));
AccessPointData single_access_point;
single_access_point.channel = 2;
single_access_point.mac_address = 3;
single_access_point.radio_signal_strength = 4;
single_access_point.signal_to_noise = 5;
single_access_point.ssid = ASCIIToUTF16("foossid");
wlan_api_->data_out_.insert(single_access_point);
EXPECT_TRUE(provider_->StartDataProvider());
main_message_loop_.Run();
EXPECT_GT(wlan_api_->calls_, 0);
WifiData data;
EXPECT_TRUE(provider_->GetData(&data));
EXPECT_EQ(1, static_cast<int>(data.access_point_data.size()));
EXPECT_EQ(single_access_point.ssid, data.access_point_data.begin()->ssid);
}
TEST_F(GeolocationWifiDataProviderCommonTest,
StartThreadViaDeviceDataProvider) {
MessageLoopQuitListener quit_listener(&main_message_loop_);
WifiDataProvider::SetFactory(CreateWifiDataProviderCommonWithMock);
DeviceDataProvider<WifiData>::Register(&quit_listener);
main_message_loop_.Run();
DeviceDataProvider<WifiData>::Unregister(&quit_listener);
DeviceDataProvider<WifiData>::ResetFactory();
}
} // namespace content
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