(Sheriff created another revert)Revert of chromeos: Add CPU temperature reader

chromeos/system/cpu_temperature_reader_unittest.cc

Index: chromeos/system/cpu_temperature_reader_unittest.cc
diff --git a/chromeos/system/cpu_temperature_reader_unittest.cc b/chromeos/system/cpu_temperature_reader_unittest.cc
deleted file mode 100644
index 54c00881c15a564dbd919d99ab013cf72dfd9bf1..0000000000000000000000000000000000000000
--- a/chromeos/system/cpu_temperature_reader_unittest.cc
+++ /dev/null
@@ -1,136 +0,0 @@
-// Copyright 2017 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 "chromeos/system/cpu_temperature_reader.h"
-
-#include <algorithm>
-#include <string>
-
-#include "base/files/file.h"
-#include "base/files/file_util.h"
-#include "base/files/scoped_temp_dir.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace chromeos {
-namespace system {
-
-class CPUTemperatureReaderTest : public ::testing::Test {
- public:
-  CPUTemperatureReaderTest() {
-    CHECK(dir_.CreateUniqueTempDir());
-    hwmon_path_ = dir_.GetPath();
-    reader_.set_hwmon_dir_for_test(hwmon_path_);
-  }
-
-  ~CPUTemperatureReaderTest() override = default;
-
- protected:
-  using CPUTemperatureInfo = CPUTemperatureReader::CPUTemperatureInfo;
-
-  // Creates a subdirectory in |hwmon_path_| with name |name|. Returns the full
-  // path of the new subdirectory.
-  base::FilePath CreateHwmonSubdir(const std::string& name) {
-    base::FilePath subdir_path = hwmon_path_.Append(name);
-    CHECK(base::CreateDirectory(subdir_path));
-    return subdir_path;
-  }
-
-  // Creates a file at |path| containing data |contents|.
-  void CreateFileWithContents(const base::FilePath& path,
-                              const std::string& contents) {
-    CHECK_EQ(WriteFile(path, contents.data(), contents.size()),
-             static_cast<int>(contents.size()));
-  }
-
-  // Creates a temporary dir to act as the hwmon directory passed to |reader_|.
-  base::ScopedTempDir dir_;
-
-  // Path of the temporary dir created by |dir_|.
-  base::FilePath hwmon_path_;
-
-  // Instance of the class under test
-  CPUTemperatureReader reader_;
-};
-
-TEST_F(CPUTemperatureReaderTest, EmptyDir) {
-  base::FilePath subdir_empty = CreateHwmonSubdir("hwmon0");
-  base::FilePath subdir_not_temp = CreateHwmonSubdir("hwmon1");
-  CreateFileWithContents(subdir_not_temp.Append("not_cpu_temp"), "garbage");
-
-  EXPECT_EQ(0U, reader_.GetCPUTemperatures().size());
-}
-
-TEST_F(CPUTemperatureReaderTest, SingleDir) {
-  base::FilePath subdir = CreateHwmonSubdir("hwmon0");
-  CreateFileWithContents(subdir.Append("temp1_input"), "10000\n");
-
-  std::vector<CPUTemperatureInfo> cpu_temp_readings =
-      reader_.GetCPUTemperatures();
-
-  ASSERT_EQ(1U, cpu_temp_readings.size());
-  EXPECT_EQ(10.0f, cpu_temp_readings[0].temp_celsius);
-  EXPECT_EQ(subdir.Append("temp1_label").value(), cpu_temp_readings[0].label);
-}
-
-TEST_F(CPUTemperatureReaderTest, SingleDirWithLabel) {
-  base::FilePath subdir = CreateHwmonSubdir("hwmon0");
-  CreateFileWithContents(subdir.Append("temp2_input"), "20000\n");
-  CreateFileWithContents(subdir.Append("temp2_label"), "t2\n");
-
-  std::vector<CPUTemperatureInfo> cpu_temp_readings =
-      reader_.GetCPUTemperatures();
-
-  ASSERT_EQ(1U, cpu_temp_readings.size());
-  EXPECT_EQ(20.0f, cpu_temp_readings[0].temp_celsius);
-  EXPECT_EQ("t2", cpu_temp_readings[0].label);
-}
-
-TEST_F(CPUTemperatureReaderTest, SingleDirWithName) {
-  base::FilePath subdir = CreateHwmonSubdir("hwmon0");
-  CreateFileWithContents(subdir.Append("temp3_input"), "30000\n");
-  CreateFileWithContents(subdir.Append("temp3_label"), "\n");
-  CreateFileWithContents(subdir.Append("name"), "t3\n");
-
-  std::vector<CPUTemperatureInfo> cpu_temp_readings =
-      reader_.GetCPUTemperatures();
-
-  ASSERT_EQ(1U, cpu_temp_readings.size());
-  EXPECT_EQ(30.0f, cpu_temp_readings[0].temp_celsius);
-  EXPECT_EQ("t3", cpu_temp_readings[0].label);
-}
-
-TEST_F(CPUTemperatureReaderTest, MultipleDirs) {
-  base::FilePath subdir0 = CreateHwmonSubdir("hwmon0");
-  CreateFileWithContents(subdir0.Append("temp1_input"), "10000\n");
-
-  base::FilePath subdir1 = CreateHwmonSubdir("hwmon1");
-  CreateFileWithContents(subdir1.Append("temp2_input"), "20000\n");
-  CreateFileWithContents(subdir1.Append("temp2_label"), "t2\n");
-
-  // This should not result in a CPU temperature reading.
-  base::FilePath subdir2 = CreateHwmonSubdir("hwmon2");
-  CreateFileWithContents(subdir2.Append("not_cpu_temp"), "garbage");
-
-  base::FilePath subdir3 = CreateHwmonSubdir("hwmon3");
-  CreateFileWithContents(subdir3.Append("temp3_input"), "30000\n");
-  CreateFileWithContents(subdir3.Append("temp3_label"), "t3\n");
-
-  std::vector<CPUTemperatureInfo> cpu_temp_readings =
-      reader_.GetCPUTemperatures();
-
-  // The order in which these directories were read is not guaranteed. Sort them
-  // first.
-  std::sort(cpu_temp_readings.begin(), cpu_temp_readings.end());
-
-  ASSERT_EQ(3U, cpu_temp_readings.size());
-  EXPECT_EQ(10.0f, cpu_temp_readings[0].temp_celsius);
-  EXPECT_EQ(subdir0.Append("temp1_label").value(), cpu_temp_readings[0].label);
-  EXPECT_EQ(20.0f, cpu_temp_readings[1].temp_celsius);
-  EXPECT_EQ("t2", cpu_temp_readings[1].label);
-  EXPECT_EQ(30.0f, cpu_temp_readings[2].temp_celsius);
-  EXPECT_EQ("t3", cpu_temp_readings[2].label);
-}
-
-}  // namespace system
-}  // namespace chromeos