Add a hardware_class attribute (for HWID, HWQual ID) to the Omaha request.

omaha_request_params_unittest.cc

 // Copyright (c) 2010 The Chromium OS 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 <stdio.h>
+
 #include <string>
-#include <gtest/gtest.h>
+
+#include "base/file_util.h"
+#include "gtest/gtest.h"
 #include "update_engine/install_plan.h"
 #include "update_engine/omaha_request_params.h"
 #include "update_engine/test_utils.h"
 #include "update_engine/utils.h"
 
 using std::string;
 
 namespace chromeos_update_engine {
 
 class OmahaRequestDeviceParamsTest : public ::testing::Test {
@@ skipping 60 matching lines @@
       "CHROMEOS_RELEASE_TRACK=footrack\n"
       "CHROMEOS_AUSERVER=http://www.google.com"));
   OmahaRequestParams out;
   EXPECT_TRUE(DoTest(&out, "", ""));
   EXPECT_EQ("Chrome OS", out.os_platform);
   EXPECT_EQ(string("0.2.2.3_") + GetMachineType(), out.os_sp);
   EXPECT_EQ("arm-generic", out.os_board);
   EXPECT_EQ("{87efface-864d-49a5-9bb3-4b050a7c227a}", out.app_id);
   EXPECT_EQ("0.2.2.3", out.app_version);
   EXPECT_EQ("en-US", out.app_lang);
+  EXPECT_EQ("", out.hardware_class);
   EXPECT_TRUE(out.delta_okay);
   EXPECT_EQ("footrack", out.app_track);
   EXPECT_EQ("http://www.google.com", out.update_url);
 }
 
 TEST_F(OmahaRequestDeviceParamsTest, MissingTrackTest) {
   ASSERT_TRUE(WriteFileString(
       kTestDir + "/etc/lsb-release",
       "CHROMEOS_RELEASE_FOO=bar\n"
       "CHROMEOS_RELEASE_VERSION=0.2.2.3\n"
@@ skipping 105 matching lines @@
       kTestDir + "/etc/lsb-release",
       "CHROMEOS_RELEASE_FOO=CHROMEOS_RELEASE_VERSION=1.2.3.4\n"
       "CHROMEOS_RELEASE_VERSION=0.2.2.3\n"
       "CHROMEOS_RELEASE_TRXCK=footrack"));
   ASSERT_TRUE(WriteFileString(kTestDir + "/.nodelta", ""));
   OmahaRequestParams out;
   EXPECT_TRUE(DoTest(&out, "", ""));
   EXPECT_FALSE(out.delta_okay);
 }
 
+TEST_F(OmahaRequestDeviceParamsTest, HardwareClassTest) {
+  string test_class = " \t sample hardware class \n ";
+  FilePath hwid_path(kTestDir + "/sys/devices/platform/chromeos_acpi/HWID");
+  ASSERT_TRUE(file_util::CreateDirectory(hwid_path.DirName()));
+  ASSERT_EQ(test_class.size(),
+            file_util::WriteFile(hwid_path,
+                                 test_class.data(),
+                                 test_class.size()));
+  OmahaRequestParams out;
+  EXPECT_TRUE(DoTest(&out, "", ""));
+  EXPECT_EQ("sample hardware class", out.hardware_class);
+}
+
 }  // namespace chromeos_update_engine