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// Copyright (c) 2010 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 "chrome/browser/geolocation/gps_location_provider_linux.h"
#include "chrome/browser/chrome_thread.h"
#include "chrome/browser/geolocation/libgps_wrapper_linux.h"
#include "testing/gtest/include/gtest/gtest.h"
struct gps_data_t {
};
namespace {
class MockLibGps : public LibGps {
public:
MockLibGps();
~MockLibGps();
virtual bool StartStreaming() {
++start_streaming_calls_;
return start_streaming_ret_;
}
virtual bool DataWaiting() {
EXPECT_GT(start_streaming_calls_, 0);
++data_waiting_calls_;
// Toggle the return value, so the poll loop will exit once per test step.
return (data_waiting_calls_ & 1) != 0;
}
virtual bool GetPositionIfFixed(Geoposition* position) {
CHECK(position);
EXPECT_GT(start_streaming_calls_, 0);
EXPECT_GT(data_waiting_calls_, 0);
++get_position_calls_;
*position = get_position_;
return get_position_ret_;
}
int start_streaming_calls_;
bool start_streaming_ret_;
int data_waiting_calls_;
int get_position_calls_;
Geoposition get_position_;
bool get_position_ret_;
static MockLibGps* g_instance_;
};
class LocaionProviderListenerLoopQuitter
: public LocationProviderBase::ListenerInterface {
// LocationProviderBase::ListenerInterface
virtual void LocationUpdateAvailable(LocationProviderBase* provider) {
MessageLoop::current()->Quit();
}
};
class GeolocationGpsProviderLinuxTests : public testing::Test {
public:
GeolocationGpsProviderLinuxTests();
~GeolocationGpsProviderLinuxTests();
static LibGps* NewMockLibGps() {
return new MockLibGps;
}
static LibGps* NoLibGpsFactory() {
return NULL;
}
protected:
MessageLoop message_loop_;
ChromeThread ui_thread_;
LocaionProviderListenerLoopQuitter location_listener_;
scoped_ptr<GpsLocationProviderLinux> provider_;
};
gps_data_t* gps_open_stub(const char*, const char*) {
// Need to return a non-NULL value here to indicate success, however we don't
// need (or want) a valid pointer as it should never be dereferenced.
return static_cast<gps_data_t*>(NULL) + 1;
}
int gps_close_stub(gps_data_t*) {
return 0;
}
int gps_poll_stub(gps_data_t*) {
return 0;
}
// v2.34 only
int gps_query_stub(gps_data_t*, const char*, ...) {
return 0;
}
// v2.90+
int gps_stream_stub(gps_data_t*, unsigned int, void*) {
return 0;
}
bool gps_waiting_stub(gps_data_t*) {
return 0;
}
void CheckValidPosition(const Geoposition& expected,
const Geoposition& actual) {
EXPECT_TRUE(actual.IsValidFix());
EXPECT_DOUBLE_EQ(expected.latitude, actual.latitude);
EXPECT_DOUBLE_EQ(expected.longitude, actual.longitude);
EXPECT_DOUBLE_EQ(expected.accuracy, actual.accuracy);
}
MockLibGps* MockLibGps::g_instance_ = NULL;
MockLibGps::MockLibGps()
: LibGps(new LibGpsLibraryWrapper(NULL,
gps_open_stub,
gps_close_stub,
gps_poll_stub,
gps_query_stub,
gps_stream_stub,
gps_waiting_stub)),
start_streaming_calls_(0),
start_streaming_ret_(true),
data_waiting_calls_(0),
get_position_calls_(0),
get_position_ret_(true) {
get_position_.error_code = Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
EXPECT_FALSE(g_instance_);
g_instance_ = this;
}
MockLibGps::~MockLibGps() {
EXPECT_EQ(this, g_instance_);
g_instance_ = NULL;
}
GeolocationGpsProviderLinuxTests::GeolocationGpsProviderLinuxTests()
: ui_thread_(ChromeThread::IO, &message_loop_),
provider_(new GpsLocationProviderLinux(NewMockLibGps)) {
provider_->RegisterListener(&location_listener_);
}
GeolocationGpsProviderLinuxTests::~GeolocationGpsProviderLinuxTests() {
provider_->UnregisterListener(&location_listener_);
}
TEST_F(GeolocationGpsProviderLinuxTests, NoLibGpsInstalled) {
provider_.reset(new GpsLocationProviderLinux(NoLibGpsFactory));
ASSERT_TRUE(provider_.get());
const bool ok = provider_->StartProvider(true);
EXPECT_FALSE(ok);
Geoposition position;
provider_->GetPosition(&position);
EXPECT_TRUE(position.IsInitialized());
EXPECT_FALSE(position.IsValidFix());
EXPECT_EQ(Geoposition::ERROR_CODE_POSITION_UNAVAILABLE, position.error_code);
}
TEST_F(GeolocationGpsProviderLinuxTests, GetPosition) {
ASSERT_TRUE(provider_.get());
const bool ok = provider_->StartProvider(true);
EXPECT_TRUE(ok);
ASSERT_TRUE(MockLibGps::g_instance_);
EXPECT_EQ(0, MockLibGps::g_instance_->start_streaming_calls_);
EXPECT_EQ(0, MockLibGps::g_instance_->data_waiting_calls_);
EXPECT_EQ(0, MockLibGps::g_instance_->get_position_calls_);
Geoposition position;
provider_->GetPosition(&position);
EXPECT_TRUE(position.IsInitialized());
EXPECT_FALSE(position.IsValidFix());
EXPECT_EQ(Geoposition::ERROR_CODE_POSITION_UNAVAILABLE, position.error_code);
MockLibGps::g_instance_->get_position_.error_code =
Geoposition::ERROR_CODE_NONE;
MockLibGps::g_instance_->get_position_.latitude = 4.5;
MockLibGps::g_instance_->get_position_.longitude = -34.1;
MockLibGps::g_instance_->get_position_.accuracy = 345;
MockLibGps::g_instance_->get_position_.timestamp =
base::Time::FromDoubleT(200);
EXPECT_TRUE(MockLibGps::g_instance_->get_position_.IsValidFix());
MessageLoop::current()->Run();
EXPECT_GT(MockLibGps::g_instance_->start_streaming_calls_, 0);
EXPECT_GT(MockLibGps::g_instance_->data_waiting_calls_, 0);
EXPECT_EQ(1, MockLibGps::g_instance_->get_position_calls_);
provider_->GetPosition(&position);
CheckValidPosition(MockLibGps::g_instance_->get_position_, position);
// Movement. This will block for up to half a second.
MockLibGps::g_instance_->get_position_.latitude += 0.01;
MessageLoop::current()->Run();
provider_->GetPosition(&position);
EXPECT_EQ(2, MockLibGps::g_instance_->get_position_calls_);
CheckValidPosition(MockLibGps::g_instance_->get_position_, position);
}
// TODO(joth): Add a test for LibGps::Start() returning false (i.e. gpsd not
// running). Need to work around the 10s reconnect delay (either by injecting
// a shorter retry interval, or adapt MessageLoop / Time::Now to be more test
// friendly).
} // namespace
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