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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/cryptohome/system_salt_getter.h"
#include <memory>
#include "base/functional/bind.h"
#include "base/run_loop.h"
#include "base/test/task_environment.h"
#include "chromeos/ash/components/dbus/userdataauth/fake_cryptohome_misc_client.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ash {
namespace {
// Used as a GetSystemSaltCallback.
void CopySystemSalt(std::string* out_system_salt,
const std::string& system_salt) {
*out_system_salt = system_salt;
}
class SystemSaltGetterTest : public testing::Test {
protected:
SystemSaltGetterTest()
: task_environment_(
base::test::SingleThreadTaskEnvironment::MainThreadType::UI) {}
void SetUp() override {
CryptohomeMiscClient::InitializeFake();
EXPECT_FALSE(SystemSaltGetter::IsInitialized());
SystemSaltGetter::Initialize();
ASSERT_TRUE(SystemSaltGetter::IsInitialized());
ASSERT_TRUE(SystemSaltGetter::Get());
}
void TearDown() override {
SystemSaltGetter::Shutdown();
CryptohomeMiscClient::Shutdown();
}
base::test::SingleThreadTaskEnvironment task_environment_;
};
TEST_F(SystemSaltGetterTest, GetSystemSalt) {
// Try to get system salt before the service becomes available.
FakeCryptohomeMiscClient::Get()->SetServiceIsAvailable(false);
std::string system_salt;
SystemSaltGetter::Get()->GetSystemSalt(
base::BindOnce(&CopySystemSalt, &system_salt));
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(system_salt.empty()); // System salt is not returned yet.
// Service becomes available.
FakeCryptohomeMiscClient::Get()->SetServiceIsAvailable(true);
base::RunLoop().RunUntilIdle();
const std::string expected_system_salt =
SystemSaltGetter::ConvertRawSaltToHexString(
FakeCryptohomeMiscClient::GetStubSystemSalt());
EXPECT_EQ(expected_system_salt, system_salt); // System salt is returned.
}
} // namespace
} // namespace ash
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