src/chromeos/cryptohome/system_salt_getter_unittest.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chromeos/cryptohome/system_salt_getter.h"
   6
   7 #include "base/bind.h"
   8 #include "base/message_loop/message_loop.h"
   9 #include "base/run_loop.h"
  10 #include "chromeos/dbus/dbus_thread_manager.h"
  11 #include "chromeos/dbus/fake_cryptohome_client.h"
  12 #include "testing/gtest/include/gtest/gtest.h"
  13
  14 namespace chromeos {
  15 namespace {
  16
  17 // Used as a GetSystemSaltCallback.
  18 void CopySystemSalt(std::string* out_system_salt,
  19                     const std::string& system_salt) {
  20   *out_system_salt = system_salt;
  21 }
  22
  23 class SystemSaltGetterTest : public testing::Test {
  24  protected:
  25   SystemSaltGetterTest() : fake_cryptohome_client_(NULL) {}
  26
  27   virtual void SetUp() OVERRIDE {
  28     fake_cryptohome_client_ = new FakeCryptohomeClient;
  29     DBusThreadManager::GetSetterForTesting()->SetCryptohomeClient(
  30         scoped_ptr<CryptohomeClient>(fake_cryptohome_client_));
  31
  32     EXPECT_FALSE(SystemSaltGetter::IsInitialized());
  33     SystemSaltGetter::Initialize();
  34     ASSERT_TRUE(SystemSaltGetter::IsInitialized());
  35     ASSERT_TRUE(SystemSaltGetter::Get());
  36   }
  37
  38   virtual void TearDown() OVERRIDE {
  39     SystemSaltGetter::Shutdown();
  40     DBusThreadManager::Shutdown();
  41   }
  42
  43   base::MessageLoopForUI message_loop_;
  44   FakeCryptohomeClient* fake_cryptohome_client_;
  45 };
  46
  47 TEST_F(SystemSaltGetterTest, GetSystemSalt) {
  48   // Try to get system salt before the service becomes available.
  49   fake_cryptohome_client_->SetServiceIsAvailable(false);
  50   std::string system_salt;
  51   SystemSaltGetter::Get()->GetSystemSalt(
  52       base::Bind(&CopySystemSalt, &system_salt));
  53   base::RunLoop().RunUntilIdle();
  54   EXPECT_TRUE(system_salt.empty());  // System salt is not returned yet.
  55
  56   // Service becomes available.
  57   fake_cryptohome_client_->SetServiceIsAvailable(true);
  58   base::RunLoop().RunUntilIdle();
  59   const std::string expected_system_salt =
  60       SystemSaltGetter::ConvertRawSaltToHexString(
  61           FakeCryptohomeClient::GetStubSystemSalt());
  62   EXPECT_EQ(expected_system_salt, system_salt);  // System salt is returned.
  63 }
  64
  65 }  // namespace
  66 }  // namespace chromeos