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#include <QtTest/QtTest>

#include <QtNetwork/QtNetwork>

#include "../../shared/util.h"

#include "../network-settings.h"

#define TESTFILE QString("http://%1/qtest/cgi-bin/").arg(QtNetworkSettings::serverName())

class tst_QAbstractNetworkCache : public QObject

{

    Q_OBJECT

public:

    tst_QAbstractNetworkCache();

    virtual ~tst_QAbstractNetworkCache();

private slots:

    void expires_data();

    void expires();

    void lastModified_data();

    void lastModified();

    void etag_data();

    void etag();

    void cacheControl_data();

    void cacheControl();

    void deleteCache();

private:

    void check();

};

class NetworkDiskCache : public QNetworkDiskCache

{

    Q_OBJECT

public:

    NetworkDiskCache(QObject *parent = 0)

        : QNetworkDiskCache(parent)

        , gotData(false)

    {

        setCacheDirectory(location);

        clear();

    }

    QIODevice *data(const QUrl &url)

    {

        gotData = true;

        return QNetworkDiskCache::data(url);

    }

    bool gotData;

};

tst_QAbstractNetworkCache::tst_QAbstractNetworkCache()

{

    Q_SET_DEFAULT_IAP

    QCoreApplication::setOrganizationName(QLatin1String("Trolltech"));

    QCoreApplication::setApplicationName(QLatin1String("autotest_qabstractnetworkcache"));

    QCoreApplication::setApplicationVersion(QLatin1String("1.0"));

}

tst_QAbstractNetworkCache::~tst_QAbstractNetworkCache()

{

}

static bool AlwaysTrue = true;

static bool AlwaysFalse = false;

Q_DECLARE_METATYPE(QNetworkRequest::CacheLoadControl)

void tst_QAbstractNetworkCache::expires_data()

{

    QTest::addColumn<QNetworkRequest::CacheLoadControl>("cacheLoadControl");

    QTest::addColumn<QString>("url");

    QTest::addColumn<bool>("fetchFromCache");

    QTest::newRow("304-0") << QNetworkRequest::AlwaysNetwork << "httpcachetest_expires304.cgi" << AlwaysFalse;

    QTest::newRow("304-1") << QNetworkRequest::PreferNetwork << "httpcachetest_expires304.cgi" << true;

    QTest::newRow("304-2") << QNetworkRequest::AlwaysCache << "httpcachetest_expires304.cgi" << AlwaysTrue;

    QTest::newRow("304-3") << QNetworkRequest::PreferCache << "httpcachetest_expires304.cgi" << true;

    QTest::newRow("500-0") << QNetworkRequest::AlwaysNetwork << "httpcachetest_expires500.cgi" << AlwaysFalse;

    QTest::newRow("500-1") << QNetworkRequest::PreferNetwork << "httpcachetest_expires500.cgi" << true;

    QTest::newRow("500-2") << QNetworkRequest::AlwaysCache << "httpcachetest_expires500.cgi" << AlwaysTrue;

    QTest::newRow("500-3") << QNetworkRequest::PreferCache << "httpcachetest_expires500.cgi" << true;

    QTest::newRow("200-0") << QNetworkRequest::AlwaysNetwork << "httpcachetest_expires200.cgi" << AlwaysFalse;

    QTest::newRow("200-1") << QNetworkRequest::PreferNetwork << "httpcachetest_expires200.cgi" << false;

    QTest::newRow("200-2") << QNetworkRequest::AlwaysCache << "httpcachetest_expires200.cgi" << AlwaysTrue;

}

void tst_QAbstractNetworkCache::expires()

{

    check();

}

void tst_QAbstractNetworkCache::lastModified_data()

{

    QTest::addColumn<QNetworkRequest::CacheLoadControl>("cacheLoadControl");

    QTest::addColumn<QString>("url");

    QTest::addColumn<bool>("fetchFromCache");

    QTest::newRow("304-0") << QNetworkRequest::AlwaysNetwork << "httpcachetest_lastModified304.cgi" << AlwaysFalse;

    QTest::newRow("304-1") << QNetworkRequest::PreferNetwork << "httpcachetest_lastModified304.cgi" << true;

    QTest::newRow("304-2") << QNetworkRequest::AlwaysCache << "httpcachetest_lastModified304.cgi" << AlwaysTrue;

    QTest::newRow("304-3") << QNetworkRequest::PreferCache << "httpcachetest_lastModified304.cgi" << true;

    QTest::newRow("200-0") << QNetworkRequest::AlwaysNetwork << "httpcachetest_lastModified200.cgi" << AlwaysFalse;

    QTest::newRow("200-1") << QNetworkRequest::PreferNetwork << "httpcachetest_lastModified200.cgi" << false;

    QTest::newRow("200-2") << QNetworkRequest::AlwaysCache << "httpcachetest_lastModified200.cgi" << AlwaysTrue;

}

void tst_QAbstractNetworkCache::lastModified()

{

    check();

}

void tst_QAbstractNetworkCache::etag_data()

{

    QTest::addColumn<QNetworkRequest::CacheLoadControl>("cacheLoadControl");

    QTest::addColumn<QString>("url");

    QTest::addColumn<bool>("fetchFromCache");

    QTest::newRow("304-0") << QNetworkRequest::AlwaysNetwork << "httpcachetest_etag304.cgi" << AlwaysFalse;

    QTest::newRow("304-1") << QNetworkRequest::PreferNetwork << "httpcachetest_etag304.cgi" << true;

    QTest::newRow("304-2") << QNetworkRequest::AlwaysCache << "httpcachetest_etag304.cgi" << AlwaysTrue;

    QTest::newRow("304-3") << QNetworkRequest::PreferCache << "httpcachetest_etag304.cgi" << true;

    QTest::newRow("200-0") << QNetworkRequest::AlwaysNetwork << "httpcachetest_etag200.cgi" << AlwaysFalse;

    QTest::newRow("200-1") << QNetworkRequest::PreferNetwork << "httpcachetest_etag200.cgi" << false;

    QTest::newRow("200-2") << QNetworkRequest::AlwaysCache << "httpcachetest_etag200.cgi" << AlwaysTrue;

}

void tst_QAbstractNetworkCache::etag()

{

    check();

}

void tst_QAbstractNetworkCache::cacheControl_data()

{

    QTest::addColumn<QNetworkRequest::CacheLoadControl>("cacheLoadControl");

    QTest::addColumn<QString>("url");

    QTest::addColumn<bool>("fetchFromCache");

    QTest::newRow("200-0") << QNetworkRequest::PreferNetwork << "httpcachetest_cachecontrol.cgi?max-age=-1" << true;

    QTest::newRow("200-1") << QNetworkRequest::PreferNetwork << "httpcachetest_cachecontrol-expire.cgi" << false;

    QTest::newRow("200-2") << QNetworkRequest::AlwaysNetwork << "httpcachetest_cachecontrol.cgi?no-cache" << AlwaysFalse;

    QTest::newRow("200-3") << QNetworkRequest::PreferNetwork << "httpcachetest_cachecontrol.cgi?no-cache" << false;

    QTest::newRow("200-4") << QNetworkRequest::AlwaysCache << "httpcachetest_cachecontrol.cgi?no-cache" << false;//AlwaysTrue;

    QTest::newRow("200-5") << QNetworkRequest::PreferCache << "httpcachetest_cachecontrol.cgi?no-cache" << false;

    QTest::newRow("304-0") << QNetworkRequest::PreferNetwork << "httpcachetest_cachecontrol.cgi?max-age=1000" << true;

    QTest::newRow("304-1") << QNetworkRequest::AlwaysNetwork << "httpcachetest_cachecontrol.cgi?max-age=1000, must-revalidate" << AlwaysFalse;

    QTest::newRow("304-2") << QNetworkRequest::PreferNetwork << "httpcachetest_cachecontrol.cgi?max-age=1000, must-revalidate" << true;

    QTest::newRow("304-3") << QNetworkRequest::AlwaysCache << "httpcachetest_cachecontrol.cgi?max-age=1000, must-revalidate" << AlwaysTrue;

    QTest::newRow("304-4") << QNetworkRequest::PreferCache << "httpcachetest_cachecontrol.cgi?max-age=1000, must-revalidate" << true;

}

void tst_QAbstractNetworkCache::cacheControl()

{

    check();

}

void tst_QAbstractNetworkCache::check()

{

    QFETCH(QNetworkRequest::CacheLoadControl, cacheLoadControl);

    QFETCH(QString, url);

    QFETCH(bool, fetchFromCache);

    QNetworkAccessManager manager;

    NetworkDiskCache *diskCache = new NetworkDiskCache(&manager);

    manager.setCache(diskCache);

    QCOMPARE(diskCache->gotData, false);

    // prime the cache

    QNetworkReply *reply = manager.get(request);

    QSignalSpy downloaded1(reply, SIGNAL(finished()));

    QTRY_COMPARE(downloaded1.count(), 1);

    QCOMPARE(diskCache->gotData, false);

    QByteArray goodData = reply->readAll();

    request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, cacheLoadControl);

    // should be in the cache now

    QNetworkReply *reply2 = manager.get(request);

    QSignalSpy downloaded2(reply2, SIGNAL(finished()));

    QTRY_COMPARE(downloaded2.count(), 1);

    QByteArray secondData = reply2->readAll();

    if (!fetchFromCache && cacheLoadControl == QNetworkRequest::AlwaysCache) {

        QCOMPARE(reply2->error(), QNetworkReply::ContentNotFoundError);

        QCOMPARE(secondData, QByteArray());

    } else {

        if (reply2->error() != QNetworkReply::NoError)

            qDebug() << reply2->errorString();

        QCOMPARE(reply2->error(), QNetworkReply::NoError);

        QCOMPARE(QString(secondData), QString(goodData));

        QCOMPARE(secondData, goodData);

        QCOMPARE(reply2->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt(), 200);

    }

    if (fetchFromCache) {

        QList<QByteArray> rawHeaderList = reply->rawHeaderList();

        QList<QByteArray> rawHeaderList2 = reply2->rawHeaderList();

        qSort(rawHeaderList);

        qSort(rawHeaderList2);

        // headers can change

        for (int i = 0; i < rawHeaderList.count(); ++i) {

            //qDebug() << i << rawHeaderList.value(i) << reply->rawHeader(rawHeaderList.value(i));

            //qDebug() << i << rawHeaderList2.value(i) << reply2->rawHeader(rawHeaderList2.value(i));

            //QCOMPARE(QString(rawHeaderList.value(i)), QString(rawHeaderList2.value(i)));

            //QCOMPARE(QString(reply->rawHeader(rawHeaderList.value(i))), QString(reply2->rawHeader(rawHeaderList2.value(i))));

        }

        //QCOMPARE(rawHeaderList.count(), rawHeaderList2.count());

    }

    QCOMPARE(diskCache->gotData, fetchFromCache);

}

void tst_QAbstractNetworkCache::deleteCache()

{

    QNetworkAccessManager manager;

    NetworkDiskCache *diskCache = new NetworkDiskCache(&manager);

    manager.setCache(diskCache);

    QString url = "httpcachetest_cachecontrol.cgi?max-age=1000";

    QNetworkRequest request(QUrl(TESTFILE + url));

    QNetworkReply *reply = manager.get(request);

    QSignalSpy downloaded1(reply, SIGNAL(finished()));

    manager.setCache(0);

    QTRY_COMPARE(downloaded1.count(), 1);

}

QTEST_MAIN(tst_QAbstractNetworkCache)

#include "tst_qabstractnetworkcache.moc"