#include "QDomDocumentWithSpacesTest.h"

#include <QDebug>
#include <QDomDocument>
#include <QString>
#include <QTest>
#include <QXmlStreamReader>


auto parse(QString const& anInput)
{
    QDomDocument doc;
    QXmlStreamReader sr(anInput);

    QString errorMessage;
    int errorLine;

    if (auto const parseOk = doc.setContent(&sr, true, &errorMessage, &errorLine); !parseOk)
    {
        qWarning() << "XML parsing failed: " << errorMessage << " [" << errorLine << "]";
    }

    return doc;
}


void QDomDocumentWithSpacesTest::entityWithoutSpace()
{
    // an XML document where <Description/> has no content
    QString const xmlDocumentWithOutSpace = R"(<?xml version="1.0" encoding="UTF-8"?>
            <Message  xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
        )";

    auto const doc = parse(xmlDocumentWithOutSpace);
    QCOMPARE(doc.firstChild().toElement().text(), "");
}


void QDomDocumentWithSpacesTest::entityWithSpace()
{
    // an XML document where <Description> has a whitespace as content
    QString const xmlDocumentWithSpace = R"(<?xml version="1.0" encoding="UTF-8"?>
            <Message  xmlns:xs="http://www.w3.org/2001/XMLSchema">
               <Description> </Description>
            </Message>
        )";

    auto const doc = parse(xmlDocumentWithSpace);
    QCOMPARE(doc.firstChild().toElement().text(), "");
}


void QDomDocumentWithSpacesTest::entityWithSpaceAndPreserve()
{
    // an XML document where <Description> has a whitespace as content and uses
    // xml:space="preserve"
    QString const xmlDocumentWithSpacePreserve = R"(<?xml version="1.0" encoding="UTF-8"?>
            <Message  xmlns:xs="http://www.w3.org/2001/XMLSchema">
               <Description xml:space="preserve"> </Description>
            </Message>
        )";

    auto const doc = parse(xmlDocumentWithSpacePreserve);
    QCOMPARE(doc.firstChild().toElement().text(), " ");
}


QTEST_MAIN(QDomDocumentWithSpacesTest)