virtual QNetworkCacheMetaData metaData(const QUrl &url)
{
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;
}
void tst_QNetworkCacheMetaData::operatorEqual_data()
{
QTest::addColumn<QNetworkCacheMetaData>("other");
QTest::newRow("null") << QNetworkCacheMetaData();
QNetworkCacheMetaData data;
data.setUrl(QUrl(EXAMPLE_URL));
QNetworkCacheMetaData::RawHeaderList headers;
headers.append(QNetworkCacheMetaData::RawHeader("foo", "Bar"));
data.setRawHeaders(headers);
data.setLastModified(QDateTime::currentDateTime());
data.setExpirationDate(QDateTime::currentDateTime());
data.setSaveToDisk(false);
QTest::newRow("valid") << data;
}
void tst_QNetworkCacheMetaData::qnetworkcachemetadata()
{
QNetworkCacheMetaData data;
QCOMPARE(data.expirationDate(), QDateTime());
QCOMPARE(data.isValid(), false);
QCOMPARE(data.lastModified(), QDateTime());
QCOMPARE(data.operator!=(QNetworkCacheMetaData()), false);
QNetworkCacheMetaData metaData;
QCOMPARE(data.operator=(metaData), QNetworkCacheMetaData());
QCOMPARE(data.operator==(QNetworkCacheMetaData()), true);
QCOMPARE(data.rawHeaders(), QNetworkCacheMetaData::RawHeaderList());
QCOMPARE(data.saveToDisk(), true);
QCOMPARE(data.url(), QUrl());
data.setExpirationDate(QDateTime());
data.setLastModified(QDateTime());
data.setRawHeaders(QNetworkCacheMetaData::RawHeaderList());
data.setSaveToDisk(false);
data.setUrl(QUrl());
}
void tst_QNetworkCacheMetaData::stream()
{
QNetworkCacheMetaData data;
data.setUrl(QUrl(EXAMPLE_URL));
QNetworkCacheMetaData::RawHeaderList headers;
headers.append(QNetworkCacheMetaData::RawHeader("foo", "Bar"));
data.setRawHeaders(headers);
data.setLastModified(QDateTime::currentDateTime());
data.setExpirationDate(QDateTime::currentDateTime());
data.setSaveToDisk(false);
QBuffer buffer;
buffer.open(QIODevice::ReadWrite);
QDataStream stream(&buffer);
stream << data;
buffer.seek(0);
QNetworkCacheMetaData data2;
stream >> data2;
QCOMPARE(data2, data);
}
bool saveToCache(const QUrl& url, const QByteArray& file) {
if (auto cache = NetworkAccessManager::getInstance().cache()) {
if (!cache->metaData(url).isValid()) {
QNetworkCacheMetaData metaData;
metaData.setUrl(url);
metaData.setSaveToDisk(true);
metaData.setLastModified(QDateTime::currentDateTime());
metaData.setExpirationDate(QDateTime()); // Never expires
// ioDevice is managed by the cache and should either be passed back to insert or remove!
if (auto ioDevice = cache->prepare(metaData)) {
ioDevice->write(file);
cache->insert(ioDevice);
qCDebug(asset_client) << url.toDisplayString() << "saved to disk cache";
return true;
}
qCWarning(asset_client) << "Could not save" << url.toDisplayString() << "to disk cache.";
}
} else {
qCWarning(asset_client) << "No disk cache to save assets to.";
}
return false;
}