git.iko.soy/unity8
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unity8/tests/plugins/ScreenGrabber/ScreenGrabberTest.cpp
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1/*
2 * Copyright (C) 2015 Canonical, Ltd.
3 *
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.
7 *
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.
12 *
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/>.
15 */
17#include "screengrabber.h"
19#include <QtTest>
20#include <QtQuick/QQuickView>
21#include <QtQuick/QQuickItem>
22#include <QQmlEngine>
24class ScreenGrabberTest: public QObject
26 Q_OBJECT
28private Q_SLOTS:
30 void initTestCase()
31 {
32 m_view = new QQuickView();
33 m_view->engine()->addImportPath(BUILT_PLUGINS_DIR);
34 m_view->setSource(QUrl::fromLocalFile(CURRENT_SOURCE_DIR "/grabber.qml"));
35 m_grabber = dynamic_cast<ScreenGrabber*>(m_view->rootObject()->property("grabber").value<QObject*>());
36 QVERIFY(m_grabber);
37 m_view->show();
38 QTest::qWaitForWindowExposed(m_view);
39 }
41 void cleanupTestCase()
42 {
43 delete m_view;
44 m_view = nullptr;
45 QTRY_COMPARE(QThreadPool::globalInstance()->activeThreadCount(), 0);
46 }
48 void testGrabScreenshot()
49 {
50 QSignalSpy grabberSpy(m_grabber, &ScreenGrabber::screenshotSaved);
51 m_grabber->captureAndSave();
52 QTRY_VERIFY(grabberSpy.count() == 1);
53 const QVariantList args = grabberSpy.takeFirst();
54 QVERIFY(args.count() == 1); // verify we got a non-empty filename where the screenshot has been saved
55 QVERIFY(!args.first().toString().isEmpty());
56 }
58 void testRotatedScreenshot()
59 {
60 QSignalSpy grabberSpy(m_grabber, &ScreenGrabber::screenshotSaved);
61 m_grabber->captureAndSave(90); // rotate by 90°
62 QTRY_VERIFY(grabberSpy.count() == 1);
63 const QVariantList args = grabberSpy.takeFirst();
64 const QString filename = args.first().toString();
65 QVERIFY(!filename.isEmpty());
66 QImage img(filename);
67 QVERIFY(img.height() > img.width()); // verify that the image got rotated by 90° (height > width)
68 }
70private:
71 QQuickView *m_view;
72 ScreenGrabber *m_grabber = nullptr;
73};
75QTEST_MAIN(ScreenGrabberTest)
77#include "ScreenGrabberTest.moc"