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// Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QTest>
#include <QBuffer>
#include <QTestEventLoop>
#include <QtNetwork/QNetworkAccessManager>
#include <QtNetwork/QNetworkDiskCache>
#include <QtNetwork/QNetworkReply>
#include <QtNetwork/QTcpServer>
#include <QtNetwork/QTcpSocket>
#define TEST_CASE_TIMEOUT 30
class NetworkDiskCache : public QNetworkDiskCache
{
public:
NetworkDiskCache(QObject *parent = nullptr)
: QNetworkDiskCache(parent)
{
}
QByteArray cachedData;
QNetworkCacheMetaData metaData(const QUrl &url) override
{
QNetworkCacheMetaData metaData;
if (!cachedData.isEmpty()) {
metaData.setUrl(url);
QDateTime now = QDateTime::currentDateTime();
metaData.setLastModified(now.addDays(-1));
metaData.setExpirationDate(now.addDays(1));
metaData.setSaveToDisk(true);
}
return metaData;
}
QIODevice *data(const QUrl &/*url*/) override
{
if (cachedData.isEmpty())
return 0;
QBuffer *buffer = new QBuffer;
buffer->setData(cachedData);
buffer->open(QIODevice::ReadOnly);
return buffer;
}
};
class HttpServer : public QTcpServer
{
Q_OBJECT
public:
HttpServer(const QByteArray &reply)
: m_reply(reply), m_writePos(), m_client()
{
listen(QHostAddress::AnyIPv4);
connect(this, SIGNAL(newConnection()), this, SLOT(accept()));
}
private Q_SLOTS:
void accept()
{
m_client = nextPendingConnection();
m_client->setParent(this);
connect(m_client, SIGNAL(readyRead()), this, SLOT(reply()));
}
void reply()
{
disconnect(m_client, SIGNAL(readyRead()));
m_client->readAll();
connect(m_client, SIGNAL(bytesWritten(qint64)), this, SLOT(write()));
write();
}
void write()
{
qint64 pos = m_client->write(m_reply.mid(m_writePos));
if (pos > 0)
m_writePos += pos;
if (m_writePos >= m_reply.size())
m_client->disconnect();
}
private:
QByteArray m_reply;
qint64 m_writePos;
QTcpSocket *m_client;
};
class tst_qnetworkreply_from_cache : public QObject
{
Q_OBJECT
public:
tst_qnetworkreply_from_cache();
void timeReadAll(const QString &headers, const QByteArray &data = QByteArray());
private Q_SLOTS:
void initTestCase();
void cleanup();
void readAll_data();
void readAll();
void readAllFromCache_data();
void readAllFromCache();
protected Q_SLOTS:
void replyReadAll() { m_replyData += m_reply->readAll(); }
private:
QTemporaryDir m_tempDir;
QNetworkAccessManager *m_networkAccessManager;
NetworkDiskCache *m_networkDiskCache;
QNetworkReply *m_reply;
QByteArray m_replyData;
};
tst_qnetworkreply_from_cache::tst_qnetworkreply_from_cache()
: m_tempDir(QDir::tempPath() + "/tst_qnetworkreply_from_cache.XXXXXX")
{
}
void tst_qnetworkreply_from_cache::timeReadAll(const QString &headers, const QByteArray &data)
{
QByteArray reply;
reply.append(headers.toUtf8());
reply.append(data);
m_replyData.reserve(data.size());
HttpServer server(reply);
QBENCHMARK_ONCE {
QNetworkRequest request(QUrl(QString("http://127.0.0.1:%1").arg(server.serverPort())));
m_reply = m_networkAccessManager->get(request);
connect(m_reply, SIGNAL(readyRead()), this, SLOT(replyReadAll()), Qt::QueuedConnection);
connect(m_reply, SIGNAL(finished()), &QTestEventLoop::instance(), SLOT(exitLoop()), Qt::QueuedConnection);
QTestEventLoop::instance().enterLoop(TEST_CASE_TIMEOUT);
QVERIFY(!QTestEventLoop::instance().timeout());
delete m_reply;
}
QCOMPARE(data.size(), m_replyData.size());
QCOMPARE(data, m_replyData);
}
void tst_qnetworkreply_from_cache::initTestCase()
{
m_networkAccessManager = new QNetworkAccessManager(this);
m_networkDiskCache = new NetworkDiskCache(m_networkAccessManager);
m_networkDiskCache->setCacheDirectory(m_tempDir.path());
m_networkAccessManager->setCache(m_networkDiskCache);
}
void tst_qnetworkreply_from_cache::cleanup()
{
m_replyData.clear();
}
void tst_qnetworkreply_from_cache::readAll_data()
{
QTest::addColumn<int>("dataSize");
QTest::newRow("1MB") << (int)1e6;
QTest::newRow("5MB") << (int)5e6;
QTest::newRow("10MB") << (int)10e6;
}
void tst_qnetworkreply_from_cache::readAll()
{
QFETCH(int, dataSize);
QString headers = QString("HTTP/1.0 200 OK\r\nContent-Length: %1\r\n\r\n").arg(dataSize);
QByteArray data(QByteArray(dataSize, (char)42));
m_networkDiskCache->cachedData.clear();
timeReadAll(headers, data);
}
void tst_qnetworkreply_from_cache::readAllFromCache_data()
{
readAll_data();
}
void tst_qnetworkreply_from_cache::readAllFromCache()
{
QFETCH(int, dataSize);
QByteArray headers("HTTP/1.0 304 Use Cache\r\n\r\n");
QByteArray data(QByteArray(dataSize, (char)42));
m_networkDiskCache->cachedData = data;
timeReadAll(headers, data);
}
QTEST_MAIN(tst_qnetworkreply_from_cache)
#include "tst_qnetworkreply_from_cache.moc"
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