Index: device/generic_sensor/linux/sensor_reader_unittest.cc |
diff --git a/device/generic_sensor/linux/sensor_reader_unittest.cc b/device/generic_sensor/linux/sensor_reader_unittest.cc |
deleted file mode 100644 |
index de5b936506c6a9c5ee817f714902ee2e0cc6d2c4..0000000000000000000000000000000000000000 |
--- a/device/generic_sensor/linux/sensor_reader_unittest.cc |
+++ /dev/null |
@@ -1,372 +0,0 @@ |
-// Copyright 2016 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 "base/files/file_util.h" |
-#include "base/files/scoped_temp_dir.h" |
-#include "base/strings/string_number_conversions.h" |
-#include "device/generic_sensor/linux/platform_sensor_utils_linux.h" |
-#include "device/generic_sensor/linux/sensor_data_linux.h" |
-#include "device/generic_sensor/public/cpp/sensor_reading.h" |
- |
-#include "testing/gtest/include/gtest/gtest.h" |
- |
-namespace device { |
- |
-namespace { |
- |
-const base::FilePath::CharType* kDevice0Dir = FILE_PATH_LITERAL("device0"); |
- |
-const char kSensorFileNameTest1[] = "sensor_data1"; |
-const char kSensorFileNameTest2[] = "sensor_data2"; |
-const char kSensorFileNameTest3[] = "sensor_data3"; |
- |
-const char* kTestSensorFileNamesTest[3][5] = { |
- { |
- kSensorFileNameTest1, "sensor1_input", "sensor1_raw_input", "sensor1", |
- "sensor1_data_raw", |
- }, |
- { |
- "sensor2", kSensorFileNameTest2, "sensor2_raw_input", "sensor2_input", |
- "sensor2_data_raw", |
- }, |
- { |
- "sensor3", "sensor3_input", "sensor3_raw_input", "sensor3_data_raw", |
- kSensorFileNameTest3, |
- }, |
-}; |
- |
-const char kTestSensorFileNameScaling[] = "test_scaling"; |
- |
-void CreateFile(const base::FilePath& file) { |
- EXPECT_EQ(base::WriteFile(file, nullptr, 0), 0); |
-} |
- |
-void DeleteFile(const base::FilePath& file) { |
- EXPECT_TRUE(base::DeleteFile(file, false)); |
-} |
- |
-void WriteValueToFile(const base::FilePath& path, double value) { |
- const std::string str = base::DoubleToString(value); |
- int bytes_written = base::WriteFile(path, str.data(), str.size()); |
- EXPECT_EQ(static_cast<size_t>(bytes_written), str.size()); |
-} |
- |
-} // namespace |
- |
-class SensorReaderTest : public ::testing::Test { |
- public: |
- void SetUp() override { |
- ASSERT_TRUE(base_temp_dir_.CreateUniqueTempDir()); |
- base_dir_ = base_temp_dir_.GetPath(); |
- sensors_dir_ = base_dir_.Append(kDevice0Dir); |
- ASSERT_TRUE(base::CreateDirectory(sensors_dir_)); |
- } |
- |
- // Deletes base dir recursively. |
- void TearDown() override { ASSERT_TRUE(base_temp_dir_.Delete()); } |
- |
- // Initialize SensorDataLinux with values for a sensor reader. |
- void InitSensorDataForTest( |
- size_t rows, |
- const SensorDataLinux::ReaderFunctor& apply_scaling_func, |
- SensorDataLinux* data) { |
- // Corresponds to maximum values in SensorReading. |
- // We must read only from up to three files. Thus - 3 sets of files |
- // should be fill in here. |
- const size_t max_rows = 3; |
- if (rows > 3) |
- rows = max_rows; |
- |
- data->apply_scaling_func = apply_scaling_func; |
- data->sensor_scale_name = kTestSensorFileNameScaling; |
- data->base_path_sensor_linux = base_dir_.value().c_str(); |
- for (size_t i = 0; i < rows; ++i) { |
- std::vector<std::string> file_names( |
- kTestSensorFileNamesTest[i], |
- kTestSensorFileNamesTest[i] + arraysize(kTestSensorFileNamesTest[i])); |
- data->sensor_file_names.push_back(std::move(file_names)); |
- } |
- } |
- |
- // Check SensorReading values are properly read. |
- void CheckSensorDataFields(const SensorReading& data, |
- double value1, |
- double value2, |
- double value3) { |
- EXPECT_EQ(value1, data.values[0]); |
- EXPECT_EQ(value2, data.values[1]); |
- EXPECT_EQ(value3, data.values[2]); |
- } |
- |
- protected: |
- // Holds a path to a sensor dir that is located in |base_dir_| |
- base::FilePath sensors_dir_; |
- // Holds a path to a base dir. |
- base::FilePath base_dir_; |
- // Holds base dir where a sensor dir is located. |
- base::ScopedTempDir base_temp_dir_; |
-}; |
- |
-// Test a reader is not created if sensor read files |
-// do not exist. |
-TEST_F(SensorReaderTest, FileDoesNotExist) { |
- const char* kGiberishFiles[] = {"temp1", "temp2", "temp3", "temp4"}; |
- const size_t rows = 3; |
- const double scaling_value = 0.1234; |
- // Create some gibberish files that we are not interested in. |
- for (unsigned int i = 0; i < arraysize(kGiberishFiles); ++i) { |
- base::FilePath some_file = sensors_dir_.Append(kGiberishFiles[i]); |
- CreateFile(some_file); |
- } |
- |
- // Create a file with a scaling value. |
- base::FilePath temp_sensor_scale_file = |
- sensors_dir_.Append(kTestSensorFileNameScaling); |
- CreateFile(temp_sensor_scale_file); |
- // Write a scaling value to the file. |
- WriteValueToFile(temp_sensor_scale_file, scaling_value); |
- |
- SensorDataLinux sensor_data; |
- SensorDataLinux::ReaderFunctor empty_func; |
- InitSensorDataForTest(rows, empty_func, &sensor_data); |
- |
- std::unique_ptr<SensorReader> reader = SensorReader::Create(sensor_data); |
- EXPECT_FALSE(reader); |
-} |
- |
-// Test a reader is still created if a file with a scaling value |
-// does not exist. |
-TEST_F(SensorReaderTest, ScalingFileDoesNotExist) { |
- const size_t rows = 1; |
- // Create a test sensor file, which must be found. |
- base::FilePath temp_sensor_file1 = sensors_dir_.Append(kSensorFileNameTest1); |
- CreateFile(temp_sensor_file1); |
- |
- SensorDataLinux sensor_data; |
- SensorDataLinux::ReaderFunctor empty_func; |
- InitSensorDataForTest(rows, empty_func, &sensor_data); |
- |
- std::unique_ptr<SensorReader> reader = SensorReader::Create(sensor_data); |
- EXPECT_TRUE(reader); |
-} |
- |
-// Test a reader is not created if a scaling file exists, but cannot be read |
-// from. |
-TEST_F(SensorReaderTest, CannotReadFromScalingFile) { |
- const size_t rows = 1; |
- // Create a test sensor file, which must be found. |
- base::FilePath temp_sensor_file1 = sensors_dir_.Append(kSensorFileNameTest1); |
- CreateFile(temp_sensor_file1); |
- |
- // Create a file with a scaling value, which must be found. |
- base::FilePath temp_sensor_scale_file = |
- sensors_dir_.Append(kTestSensorFileNameScaling); |
- CreateFile(temp_sensor_scale_file); |
- |
- SensorDataLinux sensor_data; |
- SensorDataLinux::ReaderFunctor empty_func; |
- InitSensorDataForTest(rows, empty_func, &sensor_data); |
- |
- std::unique_ptr<SensorReader> reader = SensorReader::Create(sensor_data); |
- EXPECT_FALSE(reader); |
-} |
- |
-// Simulate a sensor, which has only one file to be read from. |
-TEST_F(SensorReaderTest, ReadValueFromOneFile) { |
- const size_t rows = 1; |
- const double value1 = 20; |
- const double zero_value = 0; |
- // Create a test sensor file, which must be found to be read from. |
- base::FilePath temp_sensor_file = sensors_dir_.Append(kSensorFileNameTest1); |
- CreateFile(temp_sensor_file); |
- |
- // Initialize sensor data for a reader. |
- SensorDataLinux sensor_data; |
- SensorDataLinux::ReaderFunctor empty_func; |
- InitSensorDataForTest(rows, empty_func, &sensor_data); |
- |
- std::unique_ptr<SensorReader> reader = SensorReader::Create(sensor_data); |
- EXPECT_TRUE(reader); |
- |
- // Write a value to the file. |
- WriteValueToFile(temp_sensor_file, value1); |
- |
- // Fill SensorReading's first field with read value. Other fields must |
- // be 0. |
- SensorReading reading; |
- EXPECT_TRUE(reader->ReadSensorReading(&reading)); |
- CheckSensorDataFields(reading, value1, zero_value, zero_value); |
-} |
- |
-// Simulate a sensor, which has two files to be read from. |
-TEST_F(SensorReaderTest, ReadValuesFromTwoFiles) { |
- const size_t rows = 2; |
- const double value1 = 20; |
- const double value2 = 50; |
- const double zero_value = 0; |
- // Create a test sensor file, which must be found. |
- base::FilePath temp_sensor_file1 = sensors_dir_.Append(kSensorFileNameTest1); |
- CreateFile(temp_sensor_file1); |
- |
- // Create another test sensor file, which must be found. |
- base::FilePath temp_sensor_file2 = sensors_dir_.Append(kSensorFileNameTest2); |
- CreateFile(temp_sensor_file2); |
- |
- // Initialize sensor data for a reader. |
- SensorDataLinux sensor_data; |
- SensorDataLinux::ReaderFunctor empty_func; |
- InitSensorDataForTest(rows, empty_func, &sensor_data); |
- |
- std::unique_ptr<SensorReader> reader = SensorReader::Create(sensor_data); |
- EXPECT_TRUE(reader); |
- |
- // Write a value to the file. |
- WriteValueToFile(temp_sensor_file1, value1); |
- WriteValueToFile(temp_sensor_file2, value2); |
- |
- // Fill SensorReading's two first fields with read value. Last field must |
- // be 0. |
- SensorReading reading; |
- EXPECT_TRUE(reader->ReadSensorReading(&reading)); |
- CheckSensorDataFields(reading, value1, value2, zero_value); |
-} |
- |
-// Simulate a sensor, which has the files to be read from. |
-// After read is successful, remove one of the files and try |
-// to read again. Reading must fail then. |
-TEST_F(SensorReaderTest, ReadValuesFromThreeFilesAndFail) { |
- const size_t rows = 4; |
- const double value1 = 20; |
- const double value2 = 50; |
- const double value3 = 80; |
- const double zero_value = 0; |
- // Create a test sensor file, which must be found. |
- base::FilePath temp_sensor_file1 = sensors_dir_.Append(kSensorFileNameTest1); |
- CreateFile(temp_sensor_file1); |
- |
- // Create another test sensor file, which must be found. |
- base::FilePath temp_sensor_file2 = sensors_dir_.Append(kSensorFileNameTest2); |
- CreateFile(temp_sensor_file2); |
- |
- // Create third test sensor file, which must be found. |
- base::FilePath temp_sensor_file3 = sensors_dir_.Append(kSensorFileNameTest3); |
- CreateFile(temp_sensor_file3); |
- |
- // Initialize sensor data for a reader. |
- SensorDataLinux sensor_data; |
- SensorDataLinux::ReaderFunctor empty_func; |
- InitSensorDataForTest(rows, empty_func, &sensor_data); |
- |
- std::unique_ptr<SensorReader> reader = SensorReader::Create(sensor_data); |
- EXPECT_TRUE(reader); |
- |
- // Write values to the files. |
- WriteValueToFile(temp_sensor_file1, value1); |
- WriteValueToFile(temp_sensor_file2, value2); |
- WriteValueToFile(temp_sensor_file3, value3); |
- |
- // Fill SensorReading's values with data from files. |
- SensorReading reading; |
- EXPECT_TRUE(reader->ReadSensorReading(&reading)); |
- CheckSensorDataFields(reading, value1, value2, value3); |
- |
- SensorReading reading2; |
- DeleteFile(temp_sensor_file2); |
- EXPECT_FALSE(reader->ReadSensorReading(&reading2)); |
- CheckSensorDataFields(reading2, zero_value, zero_value, zero_value); |
-} |
- |
-// Fill in SensorDataLinux with three arrays of files that must be found |
-// before creating a sensor reader. If even one file is not found, |
-// a sensor reader must not be created. As soon as all the files are found, |
-// check the reader is created. |
-TEST_F(SensorReaderTest, SensorReadFilesDoNotExist) { |
- const size_t rows = 3; |
- // Create a test sensor file, which must be found. Other |
- // files will not be created and the test must fail to create a reader. |
- base::FilePath temp_sensor_file1 = sensors_dir_.Append(kSensorFileNameTest1); |
- CreateFile(temp_sensor_file1); |
- |
- // Initialize sensor data for a reader. |
- SensorDataLinux sensor_data; |
- SensorDataLinux::ReaderFunctor empty_func; |
- InitSensorDataForTest(rows, empty_func, &sensor_data); |
- |
- std::unique_ptr<SensorReader> reader = SensorReader::Create(sensor_data); |
- EXPECT_FALSE(reader); |
- |
- // Create one more file. The reader mustn't be created as long as it |
- // expects three files to be found. |
- base::FilePath temp_sensor_file2 = sensors_dir_.Append(kSensorFileNameTest2); |
- CreateFile(temp_sensor_file2); |
- |
- reader.reset(); |
- reader = SensorReader::Create(sensor_data); |
- EXPECT_FALSE(reader); |
- |
- // Create last file. |
- base::FilePath temp_sensor_file3 = sensors_dir_.Append(kSensorFileNameTest3); |
- CreateFile(temp_sensor_file3); |
- |
- reader.reset(); |
- reader = SensorReader::Create(sensor_data); |
- EXPECT_TRUE(reader); |
-} |
- |
-// Fill in SensorDataLinux with three arrays of files that must be found |
-// before creating a sensor reader. Create a file with a scaling value that |
-// must be applied. Pass a func to a SensorReader that will be used to |
-// apply scalings. |
-TEST_F(SensorReaderTest, CheckSensorReadingScalingApplied) { |
- const size_t rows = 3; |
- const double value1 = 20; |
- const double value2 = 50; |
- const double value3 = 80; |
- const double scaling_value = 0.1234; |
- // Create a file with a scaling value, which must be found. |
- base::FilePath temp_sensor_scale_file = |
- sensors_dir_.Append(kTestSensorFileNameScaling); |
- CreateFile(temp_sensor_scale_file); |
- |
- // Create a test sensor file, which must be found. Other |
- // files will not be created and the test must fail to create a reader. |
- base::FilePath temp_sensor_file1 = sensors_dir_.Append(kSensorFileNameTest1); |
- CreateFile(temp_sensor_file1); |
- |
- // Create one more file. The reader mustn't be created as long as it |
- // expects three files to be found. |
- base::FilePath temp_sensor_file2 = sensors_dir_.Append(kSensorFileNameTest2); |
- CreateFile(temp_sensor_file2); |
- |
- // Create last file. |
- base::FilePath temp_sensor_file3 = sensors_dir_.Append(kSensorFileNameTest3); |
- CreateFile(temp_sensor_file3); |
- |
- // Write value to the files. |
- WriteValueToFile(temp_sensor_file1, value1); |
- WriteValueToFile(temp_sensor_file2, value2); |
- WriteValueToFile(temp_sensor_file3, value3); |
- WriteValueToFile(temp_sensor_scale_file, scaling_value); |
- |
- // Initialize sensor data for a reader. |
- SensorDataLinux sensor_data; |
- SensorDataLinux::ReaderFunctor apply_scaling_func = |
- base::Bind([](double scaling_value_in_reader, SensorReading& reading) { |
- reading.values[0] = scaling_value_in_reader * reading.values[0]; |
- reading.values[1] = -scaling_value_in_reader * reading.values[1]; |
- reading.values[2] = scaling_value_in_reader * reading.values[2]; |
- }); |
- InitSensorDataForTest(rows, apply_scaling_func, &sensor_data); |
- |
- std::unique_ptr<SensorReader> reader = SensorReader::Create(sensor_data); |
- EXPECT_TRUE(reader); |
- |
- // Fill SensorReading's values with data from files. |
- SensorReading reading; |
- EXPECT_TRUE(reader->ReadSensorReading(&reading)); |
- CheckSensorDataFields(reading, value1 * scaling_value, |
- value2 * (-scaling_value), value3 * scaling_value); |
-} |
- |
-} // namespace device |