ciip-grp8-password-manager/src/test/java/PasswordValidatorTest.java

import org.junit.jupiter.api.Test;

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

class PasswordValidatorTest {

    @Test
    void validate() {
        PasswordValidator passwordValidator = new PasswordValidator();
        assertFalse(passwordValidator.validate(""));

        // test minimum password length
        passwordValidator.setMinLength(6);
        passwordValidator.setRequireUppercase(false);
        passwordValidator.setRequireLowercase(false);
        passwordValidator.setRequireDigit(false);
        passwordValidator.setCheckPwned(false);
        passwordValidator.setRequireSpecialChar(false);
        assertFalse(passwordValidator.validate("abcde"));
        assertTrue(passwordValidator.validate("abcdef"));
        assertTrue(passwordValidator.validate("abcdefg"));

        // test uppercase requirement
        passwordValidator.setRequireUppercase(true);
        passwordValidator.setRequireLowercase(false);
        passwordValidator.setRequireDigit(false);
        passwordValidator.setCheckPwned(false);
        passwordValidator.setRequireSpecialChar(false);
        assertFalse(passwordValidator.validate("abcdef"));
        assertTrue(passwordValidator.validate("abCdef"));
        assertTrue(passwordValidator.validate("ABCDEF"));

        // test lowercase requirement
        passwordValidator.setRequireUppercase(true);
        passwordValidator.setRequireLowercase(true);
        passwordValidator.setRequireDigit(false);
        passwordValidator.setCheckPwned(false);
        passwordValidator.setRequireSpecialChar(false);
        assertFalse(passwordValidator.validate("abcdef"));
        assertTrue(passwordValidator.validate("abCdef"));
        assertFalse(passwordValidator.validate("ABCDEF"));

        // test digits requirement
        passwordValidator.setRequireUppercase(true);
        passwordValidator.setRequireLowercase(true);
        passwordValidator.setRequireDigit(true);
        passwordValidator.setCheckPwned(false);
        passwordValidator.setRequireSpecialChar(false);
        assertFalse(passwordValidator.validate("8"));
        assertFalse(passwordValidator.validate("12345678"));
        assertFalse(passwordValidator.validate("abcdef"));
        assertFalse(passwordValidator.validate("abcdef8"));
        assertFalse(passwordValidator.validate("abCdef"));
        assertFalse(passwordValidator.validate("ABCDEF"));
        assertFalse(passwordValidator.validate("ABCDEF8"));
        assertTrue(passwordValidator.validate("abCDE8F"));

        // test special chars requirement
        passwordValidator.setRequireUppercase(true);
        passwordValidator.setRequireLowercase(true);
        passwordValidator.setRequireDigit(true);
        passwordValidator.setCheckPwned(false);
        passwordValidator.setRequireSpecialChar(true);
        assertFalse(passwordValidator.validate("*"));
        assertFalse(passwordValidator.validate("abCDE8F"));
        assertTrue(passwordValidator.validate("abCDE8_F"));
        assertTrue(passwordValidator.validate("abCDE*/8_F"));

        // test password pwned check
        passwordValidator.setRequireUppercase(true);
        passwordValidator.setRequireLowercase(true);
        passwordValidator.setRequireDigit(true);
        passwordValidator.setCheckPwned(true);
        assertFalse(passwordValidator.validate("8"));
        assertFalse(passwordValidator.validate("asdf12"));
        assertTrue(passwordValidator.validate("=phan0johB4aisae6Mie0jeip9Saejahc0iuvuth7ahv9uoni6o*_.+"));

        // test password wordlist check
        passwordValidator.setRequireUppercase(true);
        passwordValidator.setRequireLowercase(true);
        passwordValidator.setRequireDigit(true);
        passwordValidator.setCheckPwned(true);
        passwordValidator.setCheckWordlist(true);
        assertFalse(passwordValidator.validate("8"));
        assertFalse(passwordValidator.validate("_Sonnenblume123"));
        assertTrue(passwordValidator.validate("=phan0johB4aisae6Mie0jeip9Saejahc0iuvuth7ahv9uoni6o*_.+"));
    }

    @Test
    void getSHA1Hash() {
        assertEquals("356A192B7913B04C54574D18C28D46E6395428AB".toLowerCase(), PasswordValidator.getSHA1Hash("1"));
        assertEquals("A233F0E898ED0661D6D47ED0958F16B52E537231".toLowerCase(), PasswordValidator.getSHA1Hash("asdf12"));
        assertNull(PasswordValidator.getSHA1Hash(""));
    }

    @Test
    void isPwned() {
        assertTrue(PasswordValidator.isPwned("asdf12"));
        assertFalse(PasswordValidator.isPwned("=phan0johB4aisae6Mie0jeip9Saejahc0iuvuth7ahv9uoni6o*_.+"));
        assertFalse(PasswordValidator.isPwned(""));
    }

    @Test
    void isInWordlist() {
        assertTrue(PasswordValidator.isInWordlist("Sonnenblume"));
        assertTrue(PasswordValidator.isInWordlist("_Sonnenblume123"));
        assertFalse(PasswordValidator.isInWordlist("=phan0johB4aisae6Mie0jeip9Saejahc0iuvuth7ahv9uoni6o*_.+"));
    }
}