Replace device_sensor browsertest by service unittest.

services/device/sensors/device_sensor_service_unittest.cc

Index: services/device/sensors/device_sensor_service_unittest.cc
diff --git a/services/device/sensors/device_sensor_service_unittest.cc b/services/device/sensors/device_sensor_service_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..59647393fda92d937c80cffef65c424e685b81ca
--- /dev/null
+++ b/services/device/sensors/device_sensor_service_unittest.cc
@@ -0,0 +1,530 @@
+// Copyright 2014 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 "device/sensors/device_sensor_service.h"
+#include <limits>
+#include "base/memory/singleton.h"
+#include "base/run_loop.h"
+#include "base/threading/platform_thread.h"
+#include "build/build_config.h"
+#include "device/sensors/data_fetcher_shared_memory.h"
+#include "device/sensors/public/cpp/device_light_data.h"
+#include "device/sensors/public/cpp/device_light_hardware_buffer.h"
+#include "device/sensors/public/cpp/device_motion_hardware_buffer.h"
+#include "device/sensors/public/cpp/device_orientation_hardware_buffer.h"
+#include "device/sensors/public/cpp/motion_data.h"
+#include "device/sensors/public/cpp/orientation_data.h"
+#include "device/sensors/public/cpp/shared_memory_seqlock_reader.h"
+#include "device/sensors/public/interfaces/light.mojom.h"
+#include "device/sensors/public/interfaces/motion.mojom.h"
+#include "device/sensors/public/interfaces/orientation.mojom.h"
+#include "mojo/public/cpp/system/platform_handle.h"
+#include "services/device/device_service_test_base.h"
+#include "services/device/public/interfaces/constants.mojom.h"
+
+namespace device {
+
+namespace {
+
+class FakeDataFetcher : public device::DataFetcherSharedMemory {
+ public:
+  FakeDataFetcher()
+      : main_thread_task_runner_(base::ThreadTaskRunnerHandle::Get()),
+        sensor_data_available_(true) {}
+  ~FakeDataFetcher() override {}
+
+  void SetPollingStoppedCallback(base::Closure polling_stopped_callback) {
+    polling_stopped_callback_ = polling_stopped_callback;
+  }
+
+  bool Start(device::ConsumerType consumer_type, void* buffer) override {
+    EXPECT_TRUE(buffer);
+
+    switch (consumer_type) {
+      case device::CONSUMER_TYPE_MOTION: {
+        device::DeviceMotionHardwareBuffer* motion_buffer =
+            static_cast<device::DeviceMotionHardwareBuffer*>(buffer);
+        if (sensor_data_available_) {
+          is_motion_polling_started_ = true;
+          UpdateMotion(motion_buffer);
+        }
+        SetMotionBufferReady(motion_buffer);
+        return true;
+      }
+      case device::CONSUMER_TYPE_ORIENTATION: {
+        device::DeviceOrientationHardwareBuffer* orientation_buffer =
+            static_cast<device::DeviceOrientationHardwareBuffer*>(buffer);
+        if (sensor_data_available_) {
+          is_orientation_polling_started_ = true;
+          UpdateOrientation(orientation_buffer);
+        }
+        SetOrientationBufferReady(orientation_buffer);
+        return true;
+      }
+      case device::CONSUMER_TYPE_ORIENTATION_ABSOLUTE: {
+        device::DeviceOrientationHardwareBuffer* orientation_buffer =
+            static_cast<device::DeviceOrientationHardwareBuffer*>(buffer);
+        if (sensor_data_available_) {
+          is_orientation_absolute_polling_started_ = true;
+          UpdateOrientationAbsolute(orientation_buffer);
+        }
+        SetOrientationBufferReady(orientation_buffer);
+        return true;
+      }
+      case device::CONSUMER_TYPE_LIGHT: {
+        device::DeviceLightHardwareBuffer* light_buffer =
+            static_cast<device::DeviceLightHardwareBuffer*>(buffer);
+        is_light_polling_started_ = true;
+        UpdateLight(light_buffer,
+                    sensor_data_available_
+                        ? 100
+                        : std::numeric_limits<double>::infinity());
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+  bool Stop(device::ConsumerType consumer_type) override {
+    switch (consumer_type) {
+      case device::CONSUMER_TYPE_MOTION: {
+        is_motion_polling_started_ = false;
+        main_thread_task_runner_->PostTask(FROM_HERE,
+                                           polling_stopped_callback_);
+        return true;
+      }
+      case device::CONSUMER_TYPE_ORIENTATION: {
+        is_orientation_polling_started_ = false;
+        main_thread_task_runner_->PostTask(FROM_HERE,
+                                           polling_stopped_callback_);
+        return true;
+      }
+      case device::CONSUMER_TYPE_ORIENTATION_ABSOLUTE: {
+        is_orientation_absolute_polling_started_ = false;
+        main_thread_task_runner_->PostTask(FROM_HERE,
+                                           polling_stopped_callback_);
+        return true;
+      }
+      case device::CONSUMER_TYPE_LIGHT: {
+        is_light_polling_started_ = false;
+        main_thread_task_runner_->PostTask(FROM_HERE,
+                                           polling_stopped_callback_);
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+  void Fetch(unsigned consumer_bitmask) override {
+    FAIL() << "fetch should not be called";
+  }
+
+  FetcherType GetType() const override { return FETCHER_TYPE_DEFAULT; }
+
+  void SetSensorDataAvailable(bool available) {
+    sensor_data_available_ = available;
+  }
+
+  bool IsLightPollingStarted() { return is_light_polling_started_; }
+
+  bool IsMotionPollingStarted() { return is_motion_polling_started_; }
+
+  bool IsOrientationAbsolutePollingStarted() {
+    return is_orientation_absolute_polling_started_;
+  }
+
+  bool IsOrientationPollingStarted() { return is_orientation_polling_started_; }
+
+  void SetMotionBufferReady(device::DeviceMotionHardwareBuffer* buffer) {
+    buffer->seqlock.WriteBegin();
+    buffer->data.all_available_sensors_are_active = true;
+    buffer->seqlock.WriteEnd();
+  }
+
+  void SetOrientationBufferReady(
+      device::DeviceOrientationHardwareBuffer* buffer) {
+    buffer->seqlock.WriteBegin();
+    buffer->data.all_available_sensors_are_active = true;
+    buffer->seqlock.WriteEnd();
+  }
+
+  void UpdateMotion(device::DeviceMotionHardwareBuffer* buffer) {
+    buffer->seqlock.WriteBegin();
+    buffer->data.acceleration_x = 1;
+    buffer->data.has_acceleration_x = true;
+    buffer->data.acceleration_y = 2;
+    buffer->data.has_acceleration_y = true;
+    buffer->data.acceleration_z = 3;
+    buffer->data.has_acceleration_z = true;
+
+    buffer->data.acceleration_including_gravity_x = 4;
+    buffer->data.has_acceleration_including_gravity_x = true;
+    buffer->data.acceleration_including_gravity_y = 5;
+    buffer->data.has_acceleration_including_gravity_y = true;
+    buffer->data.acceleration_including_gravity_z = 6;
+    buffer->data.has_acceleration_including_gravity_z = true;
+
+    buffer->data.rotation_rate_alpha = 7;
+    buffer->data.has_rotation_rate_alpha = true;
+    buffer->data.rotation_rate_beta = 8;
+    buffer->data.has_rotation_rate_beta = true;
+    buffer->data.rotation_rate_gamma = 9;
+    buffer->data.has_rotation_rate_gamma = true;
+
+    buffer->data.interval = 100;
+    buffer->data.all_available_sensors_are_active = true;
+    buffer->seqlock.WriteEnd();
+  }
+
+  void UpdateOrientation(device::DeviceOrientationHardwareBuffer* buffer) {
+    buffer->seqlock.WriteBegin();
+    buffer->data.alpha = 1;
+    buffer->data.has_alpha = true;
+    buffer->data.beta = 2;
+    buffer->data.has_beta = true;
+    buffer->data.gamma = 3;
+    buffer->data.has_gamma = true;
+    buffer->data.all_available_sensors_are_active = true;
+    buffer->seqlock.WriteEnd();
+  }
+
+  void UpdateOrientationAbsolute(
+      device::DeviceOrientationHardwareBuffer* buffer) {
+    buffer->seqlock.WriteBegin();
+    buffer->data.alpha = 4;
+    buffer->data.has_alpha = true;
+    buffer->data.beta = 5;
+    buffer->data.has_beta = true;
+    buffer->data.gamma = 6;
+    buffer->data.has_gamma = true;
+    buffer->data.absolute = true;
+    buffer->data.all_available_sensors_are_active = true;
+    buffer->seqlock.WriteEnd();
+  }
+
+  void UpdateLight(device::DeviceLightHardwareBuffer* buffer, double lux) {
+    buffer->seqlock.WriteBegin();
+    buffer->data.value = lux;
+    buffer->seqlock.WriteEnd();
+  }
+
+  scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
+
+  // |polling_stopped_callback_| should be run on the main thread.
+  base::Closure polling_stopped_callback_;
+
+  bool sensor_data_available_;
+  bool is_light_polling_started_;
+  bool is_motion_polling_started_;
+  bool is_orientation_absolute_polling_started_;
+  bool is_orientation_polling_started_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(FakeDataFetcher);
+};
+
+class DeviceSensorServiceTest : public DeviceServiceTestBase {
+ public:
+  DeviceSensorServiceTest() : fetcher_(nullptr) {}
+
+  void SetUpFetcher() {
+    device::DeviceSensorService::GetInstance()->SetDataFetcherForTesting(
+        fetcher_);
+  }
+
+  void GetLightData(device::DeviceLightData* data,
+                    mojo::ScopedSharedBufferHandle buffer_handle) {
+    base::SharedMemoryHandle handle;
+    MojoResult result = mojo::UnwrapSharedMemoryHandle(
+        std::move(buffer_handle), &handle, nullptr, nullptr);
+    DCHECK_EQ(MOJO_RESULT_OK, result);
+
+    if (!light_reader_) {
+      light_reader_ = base::MakeUnique<
+          SharedMemorySeqLockReader<device::DeviceLightData>>();
+    }
+    EXPECT_TRUE(light_reader_->Initialize(handle));
+    EXPECT_TRUE(light_reader_->GetLatestData(data));
+    base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
+                                                  runloop_->QuitClosure());
+  }
+
+  void GetMotionData(device::MotionData* data,
+                     mojo::ScopedSharedBufferHandle buffer_handle) {
+    base::SharedMemoryHandle handle;
+    MojoResult result = mojo::UnwrapSharedMemoryHandle(
+        std::move(buffer_handle), &handle, nullptr, nullptr);
+    DCHECK_EQ(MOJO_RESULT_OK, result);
+
+    if (!motion_reader_) {
+      motion_reader_ =
+          base::MakeUnique<SharedMemorySeqLockReader<device::MotionData>>();
+    }
+    EXPECT_TRUE(motion_reader_->Initialize(handle));
+    EXPECT_TRUE(motion_reader_->GetLatestData(data));
+    base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
+                                                  runloop_->QuitClosure());
+  }
+
+  void GetOrientationData(device::OrientationData* data,
+                          mojo::ScopedSharedBufferHandle buffer_handle) {
+    base::SharedMemoryHandle handle;
+    MojoResult result = mojo::UnwrapSharedMemoryHandle(
+        std::move(buffer_handle), &handle, nullptr, nullptr);
+    DCHECK_EQ(MOJO_RESULT_OK, result);
+
+    if (!orientation_reader_) {
+      orientation_reader_ = base::MakeUnique<
+          SharedMemorySeqLockReader<device::OrientationData>>();
+    }
+    EXPECT_TRUE(orientation_reader_->Initialize(handle));
+    EXPECT_TRUE(orientation_reader_->GetLatestData(data));
+    base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
+                                                  runloop_->QuitClosure());
+  }
+
+  FakeDataFetcher* fetcher_;
+
+  // NOTE: These can only be initialized once the main thread has been created
+  // and so must be pointers instead of plain objects.
+  std::unique_ptr<base::RunLoop> runloop_;
+  std::unique_ptr<base::RunLoop> polling_stopped_runloop_;
+
+ protected:
+  void SetUp() override {
+    DeviceServiceTestBase::SetUp();
+
+    // Initialize the RunLoops for tests.
+    runloop_.reset(new base::RunLoop());
+    polling_stopped_runloop_.reset(new base::RunLoop());
+
+    fetcher_ = new FakeDataFetcher();
+    fetcher_->SetPollingStoppedCallback(
+        polling_stopped_runloop_->QuitClosure());
+
+    // On non-Android platform, SetUpFetcher() should be called in IO thread,
+    // because the IO thread is actually main thread in service unittest, so
+    // it is ok call it directly. See comments in
+    // DeviceServiceTestBase::CreateService() why the IO thread is simulated by
+    // main thread.
+    SetUpFetcher();
+  }
+
+  mojom::LightSensorPtr light_sensor_;
+  mojom::MotionSensorPtr motion_sensor_;
+  mojom::OrientationAbsoluteSensorPtr orientation_absolute_sensor_;
+  mojom::OrientationSensorPtr orientation_sensor_;
+
+ private:
+  std::unique_ptr<SharedMemorySeqLockReader<device::DeviceLightData>>
+      light_reader_;
+  std::unique_ptr<SharedMemorySeqLockReader<device::MotionData>> motion_reader_;
+  std::unique_ptr<SharedMemorySeqLockReader<device::OrientationData>>
+      orientation_reader_;
+};
+
+TEST_F(DeviceSensorServiceTest, OrientationTest) {
+  device::OrientationData data;
+  memset(&data, 0, sizeof(device::OrientationData));
+  connector()->BindInterface(mojom::kServiceName, &orientation_sensor_);
+  orientation_sensor_->StartPolling(
+      base::Bind(&DeviceSensorServiceTest::GetOrientationData,
+                 base::Unretained(this), &data));
+  runloop_->Run();
+  EXPECT_TRUE(fetcher_->IsOrientationPollingStarted());
+  EXPECT_EQ(1, data.alpha);
+  EXPECT_TRUE(data.has_alpha);
+  EXPECT_EQ(2, data.beta);
+  EXPECT_TRUE(data.has_beta);
+  EXPECT_EQ(3, data.gamma);
+  EXPECT_TRUE(data.has_gamma);
+  EXPECT_TRUE(data.all_available_sensors_are_active);
+
+  orientation_sensor_->StopPolling();
+  polling_stopped_runloop_->Run();
+  EXPECT_FALSE(fetcher_->IsOrientationPollingStarted());
+}
+
+TEST_F(DeviceSensorServiceTest, OrientationAbsoluteTest) {
+  device::OrientationData data;
+  memset(&data, 0, sizeof(device::OrientationData));
+  connector()->BindInterface(mojom::kServiceName,
+                             &orientation_absolute_sensor_);
+  orientation_absolute_sensor_->StartPolling(
+      base::Bind(&DeviceSensorServiceTest::GetOrientationData,
+                 base::Unretained(this), &data));
+  runloop_->Run();
+
+  EXPECT_TRUE(fetcher_->IsOrientationAbsolutePollingStarted());
+  EXPECT_EQ(4, data.alpha);
+  EXPECT_TRUE(data.has_alpha);
+  EXPECT_EQ(5, data.beta);
+  EXPECT_TRUE(data.has_beta);
+  EXPECT_EQ(6, data.gamma);
+  EXPECT_TRUE(data.has_gamma);
+  EXPECT_TRUE(data.all_available_sensors_are_active);
+
+  orientation_absolute_sensor_->StopPolling();
+  polling_stopped_runloop_->Run();
+  EXPECT_FALSE(fetcher_->IsOrientationAbsolutePollingStarted());
+}
+
+TEST_F(DeviceSensorServiceTest, LightTest) {
+  device::DeviceLightData data;
+  memset(&data, 0, sizeof(device::DeviceLightData));
+  connector()->BindInterface(mojom::kServiceName, &light_sensor_);
+  light_sensor_->StartPolling(base::Bind(&DeviceSensorServiceTest::GetLightData,
+                                         base::Unretained(this), &data));
+  runloop_->Run();
+
+  EXPECT_TRUE(fetcher_->IsLightPollingStarted());
+  EXPECT_EQ(100, data.value);
+
+  light_sensor_->StopPolling();
+  polling_stopped_runloop_->Run();
+  EXPECT_FALSE(fetcher_->IsLightPollingStarted());
+}
+
+TEST_F(DeviceSensorServiceTest, MotionTest) {
+  device::MotionData data;
+  memset(&data, 0, sizeof(device::MotionData));
+  connector()->BindInterface(mojom::kServiceName, &motion_sensor_);
+  motion_sensor_->StartPolling(base::Bind(
+      &DeviceSensorServiceTest::GetMotionData, base::Unretained(this), &data));
+  runloop_->Run();
+
+  EXPECT_TRUE(fetcher_->IsMotionPollingStarted());
+  EXPECT_EQ(1, data.acceleration_x);
+  EXPECT_TRUE(data.has_acceleration_x);
+  EXPECT_EQ(2, data.acceleration_y);
+  EXPECT_TRUE(data.has_acceleration_y);
+  EXPECT_EQ(3, data.acceleration_z);
+  EXPECT_TRUE(data.has_acceleration_z);
+  EXPECT_EQ(4, data.acceleration_including_gravity_x);
+  EXPECT_TRUE(data.has_acceleration_including_gravity_x);
+  EXPECT_EQ(5, data.acceleration_including_gravity_y);
+  EXPECT_TRUE(data.has_acceleration_including_gravity_y);
+  EXPECT_EQ(6, data.acceleration_including_gravity_z);
+  EXPECT_TRUE(data.has_acceleration_including_gravity_z);
+  EXPECT_EQ(7, data.rotation_rate_alpha);
+  EXPECT_TRUE(data.has_rotation_rate_alpha);
+  EXPECT_EQ(8, data.rotation_rate_beta);
+  EXPECT_TRUE(data.has_rotation_rate_beta);
+  EXPECT_EQ(9, data.rotation_rate_gamma);
+  EXPECT_TRUE(data.has_rotation_rate_gamma);
+  EXPECT_EQ(100, data.interval);
+  EXPECT_TRUE(data.all_available_sensors_are_active);
+
+  motion_sensor_->StopPolling();
+  polling_stopped_runloop_->Run();
+  EXPECT_FALSE(fetcher_->IsMotionPollingStarted());
+}
+
+TEST_F(DeviceSensorServiceTest, LightOneOffInfintyTest) {
+  fetcher_->SetSensorDataAvailable(false);
+  device::DeviceLightData data;
+  memset(&data, 0, sizeof(device::DeviceLightData));
+  connector()->BindInterface(mojom::kServiceName, &light_sensor_);
+  light_sensor_->StartPolling(base::Bind(&DeviceSensorServiceTest::GetLightData,
+                                         base::Unretained(this), &data));
+  runloop_->Run();
+
+  EXPECT_TRUE(fetcher_->IsLightPollingStarted());
+  EXPECT_EQ(std::numeric_limits<double>::infinity(), data.value);
+
+  light_sensor_->StopPolling();
+  polling_stopped_runloop_->Run();
+  EXPECT_FALSE(fetcher_->IsLightPollingStarted());
+}
+
+TEST_F(DeviceSensorServiceTest, OrientationNullTest) {
+  fetcher_->SetSensorDataAvailable(false);
+  device::OrientationData data;
+  memset(&data, 0, sizeof(device::OrientationData));
+  connector()->BindInterface(mojom::kServiceName, &orientation_sensor_);
+  orientation_sensor_->StartPolling(
+      base::Bind(&DeviceSensorServiceTest::GetOrientationData,
+                 base::Unretained(this), &data));
+  runloop_->Run();
+
+  EXPECT_FALSE(fetcher_->IsOrientationPollingStarted());
+  EXPECT_EQ(0, data.alpha);
+  EXPECT_FALSE(data.has_alpha);
+  EXPECT_EQ(0, data.beta);
+  EXPECT_FALSE(data.has_beta);
+  EXPECT_EQ(0, data.gamma);
+  EXPECT_FALSE(data.has_gamma);
+  EXPECT_TRUE(data.all_available_sensors_are_active);
+
+  orientation_sensor_->StopPolling();
+  polling_stopped_runloop_->Run();
+  EXPECT_FALSE(fetcher_->IsOrientationPollingStarted());
+}
+
+TEST_F(DeviceSensorServiceTest, OrientationAbsoluteNullTest) {
+  fetcher_->SetSensorDataAvailable(false);
+  device::OrientationData data;
+  memset(&data, 0, sizeof(device::OrientationData));
+  connector()->BindInterface(mojom::kServiceName,
+                             &orientation_absolute_sensor_);
+  orientation_absolute_sensor_->StartPolling(
+      base::Bind(&DeviceSensorServiceTest::GetOrientationData,
+                 base::Unretained(this), &data));
+  runloop_->Run();
+
+  EXPECT_FALSE(fetcher_->IsOrientationAbsolutePollingStarted());
+  EXPECT_EQ(0, data.alpha);
+  EXPECT_FALSE(data.has_alpha);
+  EXPECT_EQ(0, data.beta);
+  EXPECT_FALSE(data.has_beta);
+  EXPECT_EQ(0, data.gamma);
+  EXPECT_FALSE(data.has_gamma);
+  EXPECT_TRUE(data.all_available_sensors_are_active);
+
+  orientation_absolute_sensor_->StopPolling();
+  polling_stopped_runloop_->Run();
+  EXPECT_FALSE(fetcher_->IsOrientationAbsolutePollingStarted());
+}
+
+TEST_F(DeviceSensorServiceTest, MotionNullTest) {
+  fetcher_->SetSensorDataAvailable(false);
+  device::MotionData data;
+  memset(&data, 0, sizeof(device::MotionData));
+  connector()->BindInterface(mojom::kServiceName, &motion_sensor_);
+  motion_sensor_->StartPolling(base::Bind(
+      &DeviceSensorServiceTest::GetMotionData, base::Unretained(this), &data));
+  runloop_->Run();
+
+  EXPECT_FALSE(fetcher_->IsMotionPollingStarted());
+  EXPECT_EQ(0, data.acceleration_x);
+  EXPECT_FALSE(data.has_acceleration_x);
+  EXPECT_EQ(0, data.acceleration_y);
+  EXPECT_FALSE(data.has_acceleration_y);
+  EXPECT_EQ(0, data.acceleration_z);
+  EXPECT_FALSE(data.has_acceleration_z);
+  EXPECT_EQ(0, data.acceleration_including_gravity_x);
+  EXPECT_FALSE(data.has_acceleration_including_gravity_x);
+  EXPECT_EQ(0, data.acceleration_including_gravity_y);
+  EXPECT_FALSE(data.has_acceleration_including_gravity_y);
+  EXPECT_EQ(0, data.acceleration_including_gravity_z);
+  EXPECT_FALSE(data.has_acceleration_including_gravity_z);
+  EXPECT_EQ(0, data.rotation_rate_alpha);
+  EXPECT_FALSE(data.has_rotation_rate_alpha);
+  EXPECT_EQ(0, data.rotation_rate_beta);
+  EXPECT_FALSE(data.has_rotation_rate_beta);
+  EXPECT_EQ(0, data.rotation_rate_gamma);
+  EXPECT_FALSE(data.has_rotation_rate_gamma);
+  EXPECT_EQ(0, data.interval);
+  EXPECT_TRUE(data.all_available_sensors_are_active);
+
+  motion_sensor_->StopPolling();
+  polling_stopped_runloop_->Run();
+  EXPECT_FALSE(fetcher_->IsMotionPollingStarted());
+}
+
+}  //  namespace
+
+}  //  namespace device