libcryfs/test/config/CryConfigCreatorTest.cpp
2015-10-27 23:46:54 +01:00

96 lines
3.3 KiB
C++

#include <google/gtest/gtest.h>
#include <google/gmock/gmock.h>
#include "../../src/config/CryConfigCreator.h"
#include "../../src/config/CryCipher.h"
#include <messmer/cpp-utils/crypto/symmetric/ciphers.h>
#include "../testutils/MockConsole.h"
using namespace cryfs;
using boost::optional;
using boost::none;
using cpputils::Console;
using cpputils::unique_ref;
using cpputils::make_unique_ref;
using std::string;
using std::vector;
using ::testing::_;
using ::testing::Return;
using ::testing::Invoke;
using ::testing::ValuesIn;
using ::testing::HasSubstr;
using ::testing::UnorderedElementsAreArray;
using ::testing::WithParamInterface;
class CryConfigCreatorTest: public ::testing::Test {
public:
CryConfigCreatorTest()
: _console(make_unique_ref<MockConsole>()),
console(_console.get()),
creator(std::move(_console), cpputils::Random::PseudoRandom()) {
}
unique_ref<MockConsole> _console;
MockConsole *console;
CryConfigCreator creator;
};
#define EXPECT_ASK_FOR_CIPHER() EXPECT_CALL(*console, ask(HasSubstr("block cipher"), UnorderedElementsAreArray(CryCiphers::supportedCipherNames())))
TEST_F(CryConfigCreatorTest, DoesNotCrash) {
EXPECT_ASK_FOR_CIPHER().WillOnce(ChooseAnyCipher());
CryConfig config = creator.create();
}
TEST_F(CryConfigCreatorTest, ChoosesEmptyRootBlobId) {
EXPECT_ASK_FOR_CIPHER().WillOnce(ChooseAnyCipher());
CryConfig config = creator.create();
EXPECT_EQ("", config.RootBlob()); // This tells CryFS to create a new root blob
}
TEST_F(CryConfigCreatorTest, ChoosesValidEncryptionKey_448) {
EXPECT_ASK_FOR_CIPHER().WillOnce(ChooseCipher("mars-448-gcm"));
CryConfig config = creator.create();
cpputils::Mars448_GCM::EncryptionKey::FromString(config.EncryptionKey()); // This crashes if invalid
}
TEST_F(CryConfigCreatorTest, ChoosesValidEncryptionKey_256) {
EXPECT_ASK_FOR_CIPHER().WillOnce(ChooseCipher("aes-256-gcm"));
CryConfig config = creator.create();
cpputils::AES256_GCM::EncryptionKey::FromString(config.EncryptionKey()); // This crashes if invalid
}
TEST_F(CryConfigCreatorTest, ChoosesValidEncryptionKey_128) {
EXPECT_ASK_FOR_CIPHER().WillOnce(ChooseCipher("aes-128-gcm"));
CryConfig config = creator.create();
cpputils::AES128_GCM::EncryptionKey::FromString(config.EncryptionKey()); // This crashes if invalid
}
class CryConfigCreatorTest_ChooseCipher: public CryConfigCreatorTest, public ::testing::WithParamInterface<string> {
public:
string cipherName = GetParam();
optional<string> cipherWarning = CryCiphers::find(cipherName).warning();
void EXPECT_DONT_SHOW_WARNING() {
EXPECT_CALL(*console, askYesNo(_)).Times(0);
}
void EXPECT_SHOW_WARNING(const string &warning) {
EXPECT_CALL(*console, askYesNo(HasSubstr(warning))).WillOnce(Return(true));
}
};
TEST_P(CryConfigCreatorTest_ChooseCipher, ChoosesCipherCorrectly) {
if (cipherWarning == none) {
EXPECT_DONT_SHOW_WARNING();
} else {
EXPECT_SHOW_WARNING(*cipherWarning);
}
EXPECT_ASK_FOR_CIPHER().WillOnce(ChooseCipher(cipherName));
CryConfig config = creator.create();
EXPECT_EQ(cipherName, config.Cipher());
}
INSTANTIATE_TEST_CASE_P(CryConfigCreatorTest_ChooseCipher, CryConfigCreatorTest_ChooseCipher, ValuesIn(CryCiphers::supportedCipherNames()));