tests/dimg/dimgloader_utest.cpp

0001 /* ============================================================
0002  *
0003  * This file is a part of digiKam project
0004  * https://www.digikam.org
0005  *
0006  * Date        : 2012-10-23
0007  * Description : an unit-test to check DImg image loader
0008  *
0009  * SPDX-FileCopyrightText: 2012-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
0010  *
0011  * SPDX-License-Identifier: GPL-2.0-or-later
0012  *
0013  * ============================================================ */
0014
0015 #include "dimgloader_utest.h"
0016
0017 // Qt includes
0018
0019 #include <QApplication>
0020 #include <QTest>
0021 #include <QFileInfo>
0022 #include <QList>
0023 #include <QDir>
0024
0025 // Local includes
0026
0027 #include "digikam_debug.h"
0028 #include "metaengine.h"
0029 #include "dpluginloader.h"
0030 #include "dtestdatadir.h"
0031 #include "drawdecoding.h"
0032
0033 QTEST_GUILESS_MAIN(DImgLoaderTest)
0034
0035 DImgLoaderTest::DImgLoaderTest(QObject* const parent)
0036     : QObject(parent)
0037 {
0038 }
0039
0040 void DImgLoaderTest::testDImgLoader()
0041 {
0042     MetaEngine::initializeExiv2();
0043     QDir dir(qApp->applicationDirPath());
0044     qputenv("DK_PLUGIN_PATH", dir.canonicalPath().toUtf8());
0045     DPluginLoader::instance()->init();
0046
0047     QVERIFY2(!DPluginLoader::instance()->allPlugins().isEmpty(),
0048              "Not able to found digiKam plugin in standard paths. Test is aborted...");
0049
0050     QString fname = DTestDataDir::TestData(QString::fromUtf8("core/tests/dimg"))
0051                     .root().path() + QLatin1String("/DSC00636.JPG");
0052     qCDebug(DIGIKAM_TESTS_LOG) << "Test Data File:" << fname;
0053
0054     DRawDecoderSettings settings;
0055     settings.halfSizeColorImage    = false;
0056     settings.sixteenBitsImage      = false;
0057     settings.RGBInterpolate4Colors = false;
0058     settings.RAWQuality            = DRawDecoderSettings::BILINEAR;
0059
0060     DImg img(fname, nullptr, DRawDecoding(settings));
0061
0062     QVERIFY2(!img.isNull(), "Cannot load JPEG image with DImg plugin");
0063     QVERIFY2(img.size() == QSize(100, 67), "Incorrect JPEG image size...");
0064     QVERIFY2(img.save(fname + QLatin1String(".png"), QLatin1String("PNG")),
0065              "Cannot save PNG image with DImg plugin");
0066
0067     DPluginLoader::instance()->cleanUp();
0068 }
0069
0070 #include "moc_dimgloader_utest.cpp"