/**
     * StringUtil variable to access utils for Strings.
     */
    private StringUtil stringUtil = new StringUtil();

    /**
     * Get OS independent line break.
     *
     * @return OS independent line break "%n".
     */
    private String getLineBreak() {
        if (stringUtil == null) {
            stringUtil = new StringUtil();
        }
        return stringUtil.getLineBreak();
    }

    /**
     * Makes sure that XML element is exported to string with sucess.
     *
     * @throws Exception when parsing in not possible.
     */
    @Test
    public void ensureXMLElementExportToStringDoesNotFail() throws Exception {
        String expected = "<userProfile>" + getLineBreak()
                + "<name>Catarina</name>" + getLineBreak()
                + "<address>catarina.azevedo@gmail.com</address>" + getLineBreak()
                + "<pinCode>0.048950613270000005</pinCode>" + getLineBreak()
                + "<username>Nekorina</username>" + getLineBreak()
                + "<timeZone>Europe/London</timeZone>" + getLineBreak()
                + "<language>Portuguese</language>" + getLineBreak()
                + "</userProfile>" + getLineBreak();

        UserProfile userProfile = new UserProfile("Catarina", "catarina.azevedo@gmail.com", "Nekorina", "12345678", TimeZone.getDefault(), Language.PORTUGUESE);
        Node node = userProfile.exportContentToXMLNode();


        XMLParser xmlParser = new XMLParser();
        String result = xmlParser.convertToString(node);
        Assertions.assertEquals(expected, result);
    }


    /**
     * Makes sure that the XML document is exported to string with sucess.
     *
     * @throws Exception when parsing in not possible.
     */
    @Test
    public void ensureXMLDocumentExportToStringDoesNotFail() throws Exception {
        String expected = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + getLineBreak()
                + "<userProfile>" + getLineBreak()
                + "<name>Catarina</name>" + getLineBreak()
                + "<address>catarina.azevedo@gmail.com</address>" + getLineBreak()
                + "<pinCode>0.048950613270000005</pinCode>" + getLineBreak()
                + "<username>Nekorina</username>" + getLineBreak()
                + "<timeZone>Europe/London</timeZone>" + getLineBreak()
                + "<language>Portuguese</language>" + getLineBreak()
                + "</userProfile>" + getLineBreak();

        Document document = XMLParser.createDocument();

        Element elementUserProfile = document.createElement("userProfile");

        Element elementName = document.createElement("name");
        elementName.setTextContent("Catarina");
        elementUserProfile.appendChild(elementName);

        Element elementAddress = document.createElement("address");
        elementAddress.setTextContent("catarina.azevedo@gmail.com");
        elementUserProfile.appendChild(elementAddress);

        Element elementPinCode = document.createElement("pinCode");
        elementPinCode.setTextContent("0.048950613270000005");
        elementUserProfile.appendChild(elementPinCode);

        Element elementUsername = document.createElement("username");
        elementUsername.setTextContent("Nekorina");
        elementUserProfile.appendChild(elementUsername);

        Element elementTimeZone = document.createElement("timeZone");
        elementTimeZone.setTextContent("Europe/London");
        elementUserProfile.appendChild(elementTimeZone);

        Element elementLanguage = document.createElement("language");
        elementLanguage.setTextContent("Portuguese");
        elementUserProfile.appendChild(elementLanguage);

        document.appendChild(elementUserProfile);

        XMLParser xmlParser = new XMLParser();
        String result = xmlParser.convertToString(document);

        assertThat(result, CompareMatcher.isIdenticalTo(expected));
    }
}