package de.thedevstack.conversationsplus.utils;

import org.junit.Test;

import static org.junit.Assert.assertEquals;

/**
 * Created by steckbrief on 10.07.2016.
 */
public class SimpleCryptoUtilTest {
    @Test
    public void testEncryptWithNullSeed() {
        String seed = null;
        String cleartext = "Test123";
        String expectedResult = null;
        String result = SimpleCryptoUtil.encrypt(seed, cleartext);
        assertEquals(expectedResult, result);
    }

    @Test
    public void testEncryptWithWhitespaceSeed() {
        String seed = " ";
        String cleartext = "Test123";
        String expectedResult = "3E7721EF6F8D9E47403AC03F45341E5C";
        String result = SimpleCryptoUtil.encrypt(seed, cleartext);
        assertEquals(expectedResult, result);
    }

    @Test
    public void testEncryptWithZeroLengthSeed() {
        String seed = "";
        String cleartext = "Test123";
        String expectedResult = "BEFF4A6800B91AE505672CA238D7C72F";
        String result = SimpleCryptoUtil.encrypt(seed, cleartext);
        assertEquals(expectedResult, result);
    }

    @Test
    public void testEncryptWithNullCleartext() {
        String seed = "asdasdadasd";
        String cleartext = null;
        String expectedResult = null;
        String result = SimpleCryptoUtil.encrypt(seed, cleartext);
        assertEquals(expectedResult, result);
    }

    @Test
    public void testEncryptWithWhitespaceCleartext() {
        String seed = "asdasdadasd";
        String cleartext = " ";
        String expectedResult = "1C476E5E4E66809AB6C91EEF9C93A32F";
        String result = SimpleCryptoUtil.encrypt(seed, cleartext);
        assertEquals(expectedResult, result);
    }

    @Test
    public void testEncryptWithZeroLengthCleartext() {
        String seed = "asdasdadasd";
        String cleartext = "";
        String expectedResult = "22BD1DA9232CA6594A466B419B2AFB8C";
        String result = SimpleCryptoUtil.encrypt(seed, cleartext);
        assertEquals(expectedResult, result);
    }

    @Test
    public void testEncrypt() {
        String seed = "asdasdadasd";
        String cleartext = "Test123";
        String expectedResult = "E1D9C96AAF09434D915A2F0C147CBF64";
        String result = SimpleCryptoUtil.encrypt(seed, cleartext);
        assertEquals(expectedResult, result);
    }

    @Test
    public void testDecryptWithNullSeed() {
        String seed = null;
        String encryptedText = "E1D9C96AAF09434D915A2F0C147CBF64";
        String expectedResult = null;
        String result = SimpleCryptoUtil.decrypt(seed, encryptedText);
        assertEquals(expectedResult, result);
    }

    @Test
    public void testDecryptWithWhitespaceSeed() {
        String seed = " ";
        String encryptedText = "3E7721EF6F8D9E47403AC03F45341E5C";
        String expectedResult = "Test123";
        String result = SimpleCryptoUtil.decrypt(seed, encryptedText);
        assertEquals(expectedResult, result);
    }

    @Test
    public void testDecryptWithZeroLengthSeed() {
        String seed = "";
        String encryptedText = "BEFF4A6800B91AE505672CA238D7C72F";
        String expectedResult = "Test123";
        String result = SimpleCryptoUtil.decrypt(seed, encryptedText);
        assertEquals(expectedResult, result);
    }

    @Test
    public void testDecryptWithNullEncryptedText() {
        String seed = "asdasdadasd";
        String encryptedText = null;
        String expectedResult = null;
        String result = SimpleCryptoUtil.decrypt(seed, encryptedText);
        assertEquals(expectedResult, result);
    }

    @Test
    public void testDecryptWithWhitespaceEncryptedText() {
        String seed = "asdasdadasd";
        String encryptedText = " ";
        String expectedResult = "";
        String result = SimpleCryptoUtil.decrypt(seed, encryptedText);
        assertEquals(expectedResult, result);
    }

    @Test
    public void testDecryptWithZeroLengthEncryptedText() {
        String seed = "asdasdadasd";
        String encryptedText = "";
        String expectedResult = "";
        String result = SimpleCryptoUtil.decrypt(seed, encryptedText);
        assertEquals(expectedResult, result);
    }

    @Test
    public void testDecrypt() {
        String seed = "asdasdadasd";
        String encryptedText = "E1D9C96AAF09434D915A2F0C147CBF64";
        String expectedResult = "Test123";
        String result = SimpleCryptoUtil.decrypt(seed, encryptedText);
        assertEquals(expectedResult, result);
    }
}