libcryfs/test/config/CryConfigLoaderTest.cpp

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#include <google/gtest/gtest.h>
#include "../../src/config/CryConfigLoader.h"
#include "../testutils/MockConsole.h"
#include <messmer/cpp-utils/tempfile/TempFile.h>
#include <messmer/cpp-utils/random/Random.h>
#include <messmer/blockstore/implementations/encrypted/ciphers/ciphers.h>
using cpputils::unique_ref;
using cpputils::make_unique_ref;
using cpputils::TempFile;
using boost::optional;
using boost::none;
using std::string;
using ::testing::Return;
using ::testing::_;
using namespace cryfs;
class CryConfigLoaderTest: public ::testing::Test, public TestWithMockConsole {
public:
CryConfigLoaderTest(): file(false) {}
CryConfigLoader loader(const string &password) {
return CryConfigLoader(mockConsole(), cpputils::Random::PseudoRandom(), [password] {return password;});
}
CryConfigFile Create(const string &password = "mypassword") {
EXPECT_FALSE(file.exists());
return loader(password).loadOrCreate(file.path());
}
CryConfigFile Load(const string &password = "mypassword") {
EXPECT_TRUE(file.exists());
return loader(password).loadOrCreate(file.path());
}
void CreateWithRootBlob(const string &rootBlob, const string &password = "mypassword") {
auto cfg = loader(password).loadOrCreate(file.path());
cfg.config()->SetRootBlob(rootBlob);
cfg.save();
}
void CreateWithCipher(const string &cipher, const string &password = "mypassword") {
auto cfg = loader(password).loadOrCreate(file.path());
cfg.config()->SetCipher(cipher);
cfg.save();
}
void CreateWithEncryptionKey(const string &encKey, const string &password = "mypassword") {
auto cfg = loader(password).loadOrCreate(file.path());
cfg.config()->SetEncryptionKey(encKey);
cfg.save();
}
TempFile file;
};
TEST_F(CryConfigLoaderTest, CreatesNewIfNotExisting) {
EXPECT_FALSE(file.exists());
Create();
EXPECT_TRUE(file.exists());
}
TEST_F(CryConfigLoaderTest, DoesntCrashIfExisting) {
Create();
Load();
}
TEST_F(CryConfigLoaderTest, DoesntLoadIfWrongPassword) {
Create("mypassword");
EXPECT_EXIT(
Load("mypassword2"),
::testing::ExitedWithCode(1),
"Wrong password"
);
}
TEST_F(CryConfigLoaderTest, RootBlob_Load) {
CreateWithRootBlob("rootblobid");
auto loaded = Load();
EXPECT_EQ("rootblobid", loaded.config()->RootBlob());
}
TEST_F(CryConfigLoaderTest, RootBlob_Create) {
auto created = Create();
EXPECT_EQ("", created.config()->RootBlob());
}
TEST_F(CryConfigLoaderTest, EncryptionKey_Load) {
CreateWithEncryptionKey("encryptionkey");
auto loaded = Load();
EXPECT_EQ("encryptionkey", loaded.config()->EncryptionKey());
}
TEST_F(CryConfigLoaderTest, EncryptionKey_Create) {
auto created = Create();
//aes-256-gcm is the default cipher chosen by mockConsole()
blockstore::encrypted::AES256_GCM::EncryptionKey::FromString(created.config()->EncryptionKey()); // This crashes if key is invalid
}
TEST_F(CryConfigLoaderTest, Cipher_Load) {
CreateWithCipher("ciphername");
auto loaded = Load();
EXPECT_EQ("ciphername", loaded.config()->Cipher());
}
TEST_F(CryConfigLoaderTest, Cipher_Create) {
auto created = Create();
//aes-256-gcm is the default cipher chosen by mockConsole()
EXPECT_EQ("aes-256-gcm", created.config()->Cipher());
}