libcryfs/test/cryfs/config/CryConfigConsoleTest.cpp

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#include <gtest/gtest.h>
#include <gmock/gmock.h>
#include <cryfs/config/CryConfigConsole.h>
#include <cryfs/config/CryCipher.h>
#include <cpp-utils/crypto/symmetric/ciphers.h>
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#include <cpp-utils/io/NoninteractiveConsole.h>
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#include "../testutils/MockConsole.h"
using namespace cryfs;
using boost::optional;
using boost::none;
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using cpputils::NoninteractiveConsole;
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using std::string;
using std::shared_ptr;
using std::make_shared;
using ::testing::_;
using ::testing::NiceMock;
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using ::testing::Return;
using ::testing::ValuesIn;
using ::testing::HasSubstr;
using ::testing::UnorderedElementsAreArray;
using ::testing::WithParamInterface;
class CryConfigConsoleTest: public ::testing::Test {
public:
CryConfigConsoleTest()
: console(make_shared<NiceMock<MockConsole>>()),
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cryconsole(console),
noninteractiveCryconsole(make_shared<NoninteractiveConsole>(console)) {
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}
shared_ptr<NiceMock<MockConsole>> console;
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CryConfigConsole cryconsole;
CryConfigConsole noninteractiveCryconsole;
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};
class CryConfigConsoleTest_Cipher: public CryConfigConsoleTest {};
#define EXPECT_ASK_FOR_CIPHER() \
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EXPECT_CALL(*console, askYesNo("Use default settings?", _)).Times(1).WillOnce(Return(false)); \
EXPECT_CALL(*console, ask(HasSubstr("block cipher"), UnorderedElementsAreArray(CryCiphers::supportedCipherNames()))).Times(1)
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#define EXPECT_ASK_FOR_BLOCKSIZE() \
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EXPECT_CALL(*console, askYesNo("Use default settings?", _)).Times(1).WillOnce(Return(false)); \
EXPECT_CALL(*console, ask(HasSubstr("block size"), _)).Times(1)
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#define EXPECT_ASK_FOR_MISSINGBLOCKISINTEGRITYVIOLATION() \
EXPECT_CALL(*console, askYesNo("Use default settings?", _)).Times(1).WillOnce(Return(false)); \
EXPECT_CALL(*console, askYesNo(HasSubstr("missing block"), _)).Times(1)
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TEST_F(CryConfigConsoleTest_Cipher, AsksForCipher) {
EXPECT_ASK_FOR_CIPHER().WillOnce(ChooseAnyCipher());
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cryconsole.askCipher();
}
TEST_F(CryConfigConsoleTest_Cipher, ChooseDefaultCipher) {
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EXPECT_CALL(*console, askYesNo("Use default settings?", _)).Times(1).WillOnce(Return(true));
EXPECT_CALL(*console, ask(HasSubstr("block cipher"), _)).Times(0);
string cipher = cryconsole.askCipher();
EXPECT_EQ(CryConfigConsole::DEFAULT_CIPHER, cipher);
}
TEST_F(CryConfigConsoleTest_Cipher, ChooseDefaultCipherWhenNoninteractiveEnvironment) {
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EXPECT_CALL(*console, askYesNo(HasSubstr("default"), _)).Times(0);
EXPECT_CALL(*console, ask(HasSubstr("block cipher"), _)).Times(0);
string cipher = noninteractiveCryconsole.askCipher();
EXPECT_EQ(CryConfigConsole::DEFAULT_CIPHER, cipher);
}
TEST_F(CryConfigConsoleTest_Cipher, AsksForBlocksize) {
EXPECT_ASK_FOR_BLOCKSIZE().WillOnce(Return(0));
cryconsole.askBlocksizeBytes();
}
TEST_F(CryConfigConsoleTest_Cipher, AsksForMissingBlockIsIntegrityViolation) {
EXPECT_ASK_FOR_MISSINGBLOCKISINTEGRITYVIOLATION().WillOnce(Return(true));
cryconsole.askMissingBlockIsIntegrityViolation();
}
TEST_F(CryConfigConsoleTest_Cipher, ChooseDefaultBlocksizeWhenNoninteractiveEnvironment) {
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EXPECT_CALL(*console, askYesNo(HasSubstr("default"), _)).Times(0);
EXPECT_CALL(*console, ask(HasSubstr("block size"), _)).Times(0);
uint32_t blocksize = noninteractiveCryconsole.askBlocksizeBytes();
EXPECT_EQ(CryConfigConsole::DEFAULT_BLOCKSIZE_BYTES, blocksize);
}
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class CryConfigConsoleTest_Cipher_Choose: public CryConfigConsoleTest_Cipher, public ::testing::WithParamInterface<string> {
public:
string cipherName = GetParam();
optional<string> cipherWarning = CryCiphers::find(cipherName).warning();
void EXPECT_DONT_SHOW_WARNING() {
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EXPECT_CALL(*console, askYesNo(_, _)).Times(0);
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}
void EXPECT_SHOW_WARNING(const string &warning) {
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EXPECT_CALL(*console, askYesNo(HasSubstr(warning), _)).WillOnce(Return(true));
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}
};
TEST_P(CryConfigConsoleTest_Cipher_Choose, ChoosesCipherCorrectly) {
if (cipherWarning == none) {
EXPECT_DONT_SHOW_WARNING();
} else {
EXPECT_SHOW_WARNING(*cipherWarning);
}
EXPECT_ASK_FOR_CIPHER().WillOnce(ChooseCipher(cipherName));
string chosenCipher = cryconsole.askCipher();
EXPECT_EQ(cipherName, chosenCipher);
}
INSTANTIATE_TEST_CASE_P(CryConfigConsoleTest_Cipher_Choose, CryConfigConsoleTest_Cipher_Choose, ValuesIn(CryCiphers::supportedCipherNames()));