libcryfs/test/config/CryConfigCreatorTest.cpp

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#include <google/gtest/gtest.h>
#include <google/gmock/gmock.h>
#include "../../src/config/CryConfigCreator.h"
#include "../../src/config/CryCipher.h"
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#include <messmer/cpp-utils/crypto/symmetric/ciphers.h>
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#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 std::shared_ptr;
using std::make_shared;
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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_shared<MockConsole>()),
creator(console, cpputils::Random::PseudoRandom()) {
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}
shared_ptr<MockConsole> console;
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CryConfigCreator creator;
};
#define EXPECT_ASK_FOR_CIPHER() \
EXPECT_CALL(*console, askYesNo("Use default settings?")).Times(1).WillOnce(Return(false)); \
EXPECT_CALL(*console, ask(HasSubstr("block cipher"), UnorderedElementsAreArray(CryCiphers::supportedCipherNames()))).Times(1)
#define EXPECT_DOES_NOT_ASK_FOR_CIPHER() \
EXPECT_CALL(*console, askYesNo("Use default settings?")).Times(0); \
EXPECT_CALL(*console, ask(HasSubstr("block cipher"), _)).Times(0);
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TEST_F(CryConfigCreatorTest, DoesAskForCipherIfNotSpecified) {
EXPECT_ASK_FOR_CIPHER().WillOnce(ChooseAnyCipher());
CryConfig config = creator.create(none);
}
TEST_F(CryConfigCreatorTest, DoesNotAskForCipherIfSpecified) {
EXPECT_DOES_NOT_ASK_FOR_CIPHER();
CryConfig config = creator.create(string("aes-256-gcm"));
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}
TEST_F(CryConfigCreatorTest, ChoosesEmptyRootBlobId) {
EXPECT_ASK_FOR_CIPHER().WillOnce(ChooseAnyCipher());
CryConfig config = creator.create(none);
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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(none);
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cpputils::Mars448_GCM::EncryptionKey::FromString(config.EncryptionKey()); // This crashes if invalid
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}
TEST_F(CryConfigCreatorTest, ChoosesValidEncryptionKey_256) {
EXPECT_ASK_FOR_CIPHER().WillOnce(ChooseCipher("aes-256-gcm"));
CryConfig config = creator.create(none);
cpputils::AES256_GCM::EncryptionKey::FromString(config.EncryptionKey()); // This crashes if invalid
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}
TEST_F(CryConfigCreatorTest, ChoosesValidEncryptionKey_128) {
EXPECT_ASK_FOR_CIPHER().WillOnce(ChooseCipher("aes-128-gcm"));
CryConfig config = creator.create(none);
cpputils::AES128_GCM::EncryptionKey::FromString(config.EncryptionKey()); // This crashes if invalid
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}