import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;

import java.util.regex.Pattern;

import static org.junit.jupiter.api.Assertions.*;

class PasswordGeneratorTest {

    static PasswordGenerator passwordGenerator;

    @BeforeAll
    static void init() {
        passwordGenerator = new PasswordGenerator();
    }

    @Test
    void testGeneratedPasswordLength() {
        assertNotSame("", passwordGenerator.generateRandomPassword());
        assertEquals(passwordGenerator.generateRandomPassword().length(), passwordGenerator.getLength());

        passwordGenerator.setLength(33);
        assertEquals(passwordGenerator.getLength(), 33);
        assertEquals(passwordGenerator.generateRandomPassword().length(), passwordGenerator.getLength());
    }

    @Test
    void testPasswordLowercaseRequirement() {
        assertTrue(Pattern.compile("^(?=.*[a-z]).+$").matcher(passwordGenerator.generateRandomPassword()).matches());
    }
}