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/*
* BSD 2-Clause License
*
* Copyright (c) 2020, Agnieszka Cicha-Cisek
* Copyright (c) 2020, Patryk Cisek
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "gtest/gtest.h"
#include "randompasswordgenerator.h"
#include <set>
constexpr std::size_t PASS_LENGHT = 25;
constexpr int ITERATIONS_NO = 100;
TEST(RandomPasswordGeneratorTest, LastElementIsZero) {
// Given
RandomPasswordGenerator generator;
for ( int i=0; i<ITERATIONS_NO; ++i ) {
// When
auto password = generator.generatePassword();
// Then
ASSERT_EQ(password[PASS_LENGHT-1], 0);
}
}
TEST(RandomPasswordGeneratorTest, ElementAreNotZeros) {
// Given
RandomPasswordGenerator generator;
for ( int i=0; i<ITERATIONS_NO; ++i ) {
// When
auto password = generator.generatePassword();
// Then
for ( std::size_t element=0; element<PASS_LENGHT-1; ++element ){
ASSERT_NE(password[element], 0);
}
}
}
TEST(RandomPasswordGeneratorTest, CheckIfPasswordsAreUnique) {
// Given
RandomPasswordGenerator generator;
std::set <std::string> passwords;
// Entropy of the password is supposed to so high, that
// having duplicate passwords genetarted INTERATIONS_NO
// times should not be even remotely possible. This is, what
// we're testing here.
// When
for ( int i=0; i<ITERATIONS_NO; ++i ) {
RandomPasswordGenerator::KeyPassword randomPassword = generator.generatePassword();
constexpr std::size_t IDX_OF_ZERO_BYTE = randomPassword.size() - 1;
std::string password;
for ( std::size_t i=0; i < IDX_OF_ZERO_BYTE; ++i) {
password += randomPassword[i];
}
passwords.insert(password);
}
// Then
ASSERT_EQ(passwords.size(), ITERATIONS_NO);
}
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