Read CrOS install attributes cache on startup.

chrome/browser/policy/enterprise_install_attributes_unittest.cc

 // Copyright (c) 2012 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/policy/enterprise_install_attributes.h"
 
+#include "base/file_util.h"
+#include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/chromeos/cros/cryptohome_library.h"
+#include "chrome/browser/policy/proto/install_attributes.pb.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace policy {
 
 static const char kTestUser[] = "test@example.com";
 static const char kTestDomain[] = "example.com";
 static const char kTestDeviceId[] = "133750519";
 
 static const char kAttrEnterpriseOwned[] = "enterprise.owned";
 static const char kAttrEnterpriseUser[] = "enterprise.user";
 
 class EnterpriseInstallAttributesTest : public testing::Test {
  protected:
   EnterpriseInstallAttributesTest()
       : cryptohome_(chromeos::CryptohomeLibrary::GetImpl(true)),
         install_attributes_(cryptohome_.get()) {}
 
+  virtual void SetUp() OVERRIDE {
+    ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
+  }
+
+  FilePath GetTempPath() const {
+    return temp_dir_.path().Append("install_attrs_test");
+  }
+
+  void SetAttribute(
+      cryptohome::SerializedInstallAttributes* install_attrs_proto,
+      const std::string& name,
+      const std::string& value) {
+    cryptohome::SerializedInstallAttributes::Attribute* attribute;
+    attribute = install_attrs_proto->add_attributes();
+    attribute->set_name(name);
+    attribute->set_value(value);
+  }
+
+  base::ScopedTempDir temp_dir_;
   scoped_ptr<chromeos::CryptohomeLibrary> cryptohome_;
   EnterpriseInstallAttributes install_attributes_;
 };
 
 TEST_F(EnterpriseInstallAttributesTest, Lock) {
   EXPECT_EQ(EnterpriseInstallAttributes::LOCK_SUCCESS,
             install_attributes_.LockDevice(
                 kTestUser,
                 DEVICE_MODE_ENTERPRISE,
                 kTestDeviceId));
@@ skipping 11 matching lines @@
                 kTestDeviceId));
   // But another domain should fail.
   EXPECT_EQ(EnterpriseInstallAttributes::LOCK_WRONG_USER,
             install_attributes_.LockDevice(
                 "test@bluebears.com",
                 DEVICE_MODE_ENTERPRISE,
                 kTestDeviceId));
 }
 
 TEST_F(EnterpriseInstallAttributesTest, IsEnterpriseDevice) {
+  install_attributes_.ReadCacheFile(GetTempPath());
   EXPECT_FALSE(install_attributes_.IsEnterpriseDevice());
   ASSERT_EQ(EnterpriseInstallAttributes::LOCK_SUCCESS,
             install_attributes_.LockDevice(
                 kTestUser,
                 DEVICE_MODE_ENTERPRISE,
                 kTestDeviceId));
   EXPECT_TRUE(install_attributes_.IsEnterpriseDevice());
 }
 
 TEST_F(EnterpriseInstallAttributesTest, GetDomain) {
+  install_attributes_.ReadCacheFile(GetTempPath());
   EXPECT_EQ(std::string(), install_attributes_.GetDomain());
   ASSERT_EQ(EnterpriseInstallAttributes::LOCK_SUCCESS,
             install_attributes_.LockDevice(
                 kTestUser,
                 DEVICE_MODE_ENTERPRISE,
                 kTestDeviceId));
   EXPECT_EQ(kTestDomain, install_attributes_.GetDomain());
 }
 
 TEST_F(EnterpriseInstallAttributesTest, GetRegistrationUser) {
+  install_attributes_.ReadCacheFile(GetTempPath());
   EXPECT_EQ(std::string(), install_attributes_.GetRegistrationUser());
   ASSERT_EQ(EnterpriseInstallAttributes::LOCK_SUCCESS,
             install_attributes_.LockDevice(
                 kTestUser,
                 DEVICE_MODE_ENTERPRISE,
                 kTestDeviceId));
   EXPECT_EQ(kTestUser, install_attributes_.GetRegistrationUser());
 }
 
 TEST_F(EnterpriseInstallAttributesTest, GetDeviceId) {
+  install_attributes_.ReadCacheFile(GetTempPath());
   EXPECT_EQ(std::string(), install_attributes_.GetDeviceId());
   ASSERT_EQ(EnterpriseInstallAttributes::LOCK_SUCCESS,
             install_attributes_.LockDevice(
                 kTestUser,
                 DEVICE_MODE_ENTERPRISE,
                 kTestDeviceId));
   EXPECT_EQ(kTestDeviceId, install_attributes_.GetDeviceId());
 }
 
 TEST_F(EnterpriseInstallAttributesTest, GetMode) {
-  EXPECT_EQ(DEVICE_MODE_NOT_SET,
-            install_attributes_.GetMode());
+  install_attributes_.ReadCacheFile(GetTempPath());
+  EXPECT_EQ(DEVICE_MODE_PENDING, install_attributes_.GetMode());
   ASSERT_EQ(EnterpriseInstallAttributes::LOCK_SUCCESS,
             install_attributes_.LockDevice(
                 kTestUser,
                 DEVICE_MODE_KIOSK,
                 kTestDeviceId));
   EXPECT_EQ(DEVICE_MODE_KIOSK,
             install_attributes_.GetMode());
 }
 
 TEST_F(EnterpriseInstallAttributesTest, ConsumerDevice) {
-  EXPECT_EQ(DEVICE_MODE_NOT_SET,
-            install_attributes_.GetMode());
+  install_attributes_.ReadCacheFile(GetTempPath());
+  EXPECT_EQ(DEVICE_MODE_PENDING, install_attributes_.GetMode());
   // Lock the attributes empty.
   ASSERT_TRUE(cryptohome_->InstallAttributesFinalize());
+  install_attributes_.ReadImmutableAttributes();
   ASSERT_FALSE(cryptohome_->InstallAttributesIsFirstInstall());
-  EXPECT_EQ(DEVICE_MODE_CONSUMER,
-            install_attributes_.GetMode());
+  EXPECT_EQ(DEVICE_MODE_CONSUMER, install_attributes_.GetMode());
 }
 
 TEST_F(EnterpriseInstallAttributesTest, DeviceLockedFromOlderVersion) {
-  EXPECT_EQ(DEVICE_MODE_NOT_SET,
-            install_attributes_.GetMode());
+  install_attributes_.ReadCacheFile(GetTempPath());
+  EXPECT_EQ(DEVICE_MODE_PENDING, install_attributes_.GetMode());
   // Lock the attributes as if it was done from older Chrome version.
   ASSERT_TRUE(cryptohome_->InstallAttributesSet(kAttrEnterpriseOwned, "true"));
   ASSERT_TRUE(cryptohome_->InstallAttributesSet(kAttrEnterpriseUser,
                                                 kTestUser));
   ASSERT_TRUE(cryptohome_->InstallAttributesFinalize());
+  install_attributes_.ReadImmutableAttributes();
   ASSERT_FALSE(cryptohome_->InstallAttributesIsFirstInstall());
-  EXPECT_EQ(DEVICE_MODE_ENTERPRISE,
-            install_attributes_.GetMode());
+  EXPECT_EQ(DEVICE_MODE_ENTERPRISE, install_attributes_.GetMode());
   EXPECT_EQ(kTestDomain, install_attributes_.GetDomain());
   EXPECT_EQ(kTestUser, install_attributes_.GetRegistrationUser());
   EXPECT_EQ("", install_attributes_.GetDeviceId());
+}
+
+TEST_F(EnterpriseInstallAttributesTest, ReadCacheFile) {
+  cryptohome::SerializedInstallAttributes install_attrs_proto;
+  SetAttribute(&install_attrs_proto, kAttrEnterpriseOwned, "true");
+  SetAttribute(&install_attrs_proto, kAttrEnterpriseUser, kTestUser);
+  const std::string blob(install_attrs_proto.SerializeAsString());
+  ASSERT_EQ(static_cast<int>(blob.size()),
+            file_util::WriteFile(GetTempPath(), blob.c_str(), blob.size()));
+  install_attributes_.ReadCacheFile(GetTempPath());
+  EXPECT_EQ(DEVICE_MODE_ENTERPRISE, install_attributes_.GetMode());
+  EXPECT_EQ(kTestDomain, install_attributes_.GetDomain());
+  EXPECT_EQ(kTestUser, install_attributes_.GetRegistrationUser());
+  EXPECT_EQ("", install_attributes_.GetDeviceId());
 }
 
 }  // namespace policy