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2− * Copyright (C) 2016 Canonical, Ltd.
4− * This program is free software; you can redistribute it and/or modify
5− * it under the terms of the GNU General Public License as published by
6− * the Free Software Foundation; version 3.
8− * This program is distributed in the hope that it will be useful,
9− * but WITHOUT ANY WARRANTY; without even the implied warranty of
10− * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11− * GNU General Public License for more details.
13− * You should have received a copy of the GNU General Public License
14− * along with this program. If not, see <http://www.gnu.org/licenses/>.
17−#include <QCoreApplication>
19−#include <QImageReader>
21−#include <QTemporaryDir>
23−#include <private/qquickimage_p.h>
29−Q_DECLARE_METATYPE(QQuickImage::Status)
31−class ImageCacheTest : public QObject
37− void setUpImage(const QString &name, const QSize &sourceSize = QSize())
39− QString url = "image://unity8imagecache/file://" + sourceFile(name);
40− image->setProperty("sourceSize", sourceSize);
41− image->setProperty("source", url);
44− void waitForImage(QQuickImage::Status status = QQuickImage::Ready)
46− QTRY_COMPARE(image->property("status"), QVariant((int)status));
49− QSize cachedImageSize(const QString &filename)
51− QImageReader reader(filename);
52− return reader.size();
55− QString sourceFile(const QString &name)
57− return testDataDir() + "/" TEST_DIR "/graphics/" + name;
60− QString cachedFile(bool isPath, const QString &name)
63− return home->path() + "/.cache/unity8/imagecache/paths" + sourceFile(name);
65− return home->path() + "/.cache/unity8/imagecache/names/" + name;
68− void createCachedImage(const QString &name, const QString &cachePath, const QSize &cacheSize, time_t mtime_in = 0)
70− QString origPath = sourceFile(name);
71− QImageReader origImage(origPath);
72− origImage.setScaledSize(cacheSize);
73− auto format = origImage.format(); // can't get this after reading
75− QImage cacheImage(origImage.read());
76− QVERIFY(!cacheImage.isNull());
78− QFileInfo(cachePath).dir().mkpath(QStringLiteral("."));
79− QVERIFY(cacheImage.save(cachePath, format, 100));
81− // Make file a few seconds old, so we can more easily tell if it gets updated
82− auto mtime = mtime_in == 0 ? QFileInfo(cachePath).lastModified().toTime_t() - 5 : mtime_in;
83− struct utimbuf timebuffer;
84− timebuffer.modtime = mtime;
85− timebuffer.actime = timebuffer.modtime;
86− QCOMPARE(utime(cachePath.toUtf8().data(), &timebuffer), 0);
93− home = new QTemporaryDir();
94− QVERIFY(home->isValid());
95− qputenv("HOME", home->path().toUtf8());
97− view = new QQuickView();
98− view->setSource(QUrl::fromLocalFile(testDataDir() + "/" TEST_DIR "/test.qml"));
99− image = view->rootObject();
102− QTest::qWaitForWindowExposed(view);
104− waitForImage(QQuickImage::Null);
113− void testFileNotFound()
115− setUpImage("NOTHERE");
116− waitForImage(QQuickImage::Error);
117− QVERIFY(!QFile::exists(cachedFile(true, "NOTHERE")));
120− void testNoSourceSize()
122− setUpImage("wide.jpg");
124− QVERIFY(!QFile::exists(cachedFile(true, "wide.jpg")));
127− void testNoScalingUp()
129− setUpImage("wide.jpg", QSize(1000, 1000));
131− QVERIFY(!QFile::exists(cachedFile(true, "wide.jpg")));
134− void testFullSourceSize()
136− setUpImage("wide.jpg", QSize(100, 100));
138− QCOMPARE(cachedImageSize(cachedFile(true, "wide.jpg")), QSize(100, 100));
141− void testWidthSourceSize()
143− setUpImage("wide.jpg", QSize(100, 0));
145− // wide.jpg is 500x200
146− QCOMPARE(cachedImageSize(cachedFile(true, "wide.jpg")), QSize(100, 40));
149− void testHeightSourceSize()
151− setUpImage("wide.jpg", QSize(0, 100));
153− // wide.jpg is 500x200
154− QCOMPARE(cachedImageSize(cachedFile(true, "wide.jpg")), QSize(250, 100));
159− setUpImage("wide.jpg?name=foo", QSize(0, 100));
161− QVERIFY(!QFile::exists(cachedFile(true, ""))); // check for dir itself
162− QVERIFY(QFile::exists(cachedFile(false, "foo")));
165− void testLoadCache()
167− auto cacheName = cachedFile(false, "foo");
168− createCachedImage("wide.jpg", cacheName, QSize(250, 100));
169− auto mtime = QFileInfo(cacheName).lastModified();
171− auto now = time(NULL);
172− QVERIFY(QFileInfo(cacheName).lastModified().toTime_t() < now); // sanity check
174− setUpImage("wide.jpg?name=foo", QSize(0, 100));
176− QCOMPARE(QFileInfo(cacheName).lastModified(), mtime); // wasn't recreated
179− void testDifferentSize()
181− auto cacheName = cachedFile(false, "foo");
182− createCachedImage("wide.jpg", cacheName, QSize(250, 100));
184− auto now = time(NULL);
185− QVERIFY(QFileInfo(cacheName).lastModified().toTime_t() < now); // sanity check
187− setUpImage("wide.jpg?name=foo", QSize(100, 0));
189− QVERIFY(QFileInfo(cacheName).lastModified().toTime_t() >= now); // was recreated
192− void testStaleCache()
194− auto sourceName = sourceFile("wide.jpg");
195− auto mtime = QFileInfo(sourceName).lastModified().toTime_t() - 5;
197− auto cacheName = cachedFile(false, "foo");
198− createCachedImage("wide.jpg", cacheName, QSize(250, 100), mtime);
200− auto now = time(NULL);
201− QVERIFY(QFileInfo(cacheName).lastModified().toTime_t() < now); // sanity check
203− setUpImage("wide.jpg?name=foo", QSize(0, 100));
205− QVERIFY(QFileInfo(cacheName).lastModified().toTime_t() >= now); // was recreated
211− QTemporaryDir *home;
214−QTEST_MAIN(ImageCacheTest)