tests/auto/declarative/qdeclarativepixmapcache/tst_qdeclarativepixmapcache.cpp
changeset 30 5dc02b23752f
child 33 3e2da88830cd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/declarative/qdeclarativepixmapcache/tst_qdeclarativepixmapcache.cpp	Tue Jul 06 15:10:48 2010 +0300
@@ -0,0 +1,293 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include <qtest.h>
+#include <QtTest/QtTest>
+#include <private/qdeclarativepixmapcache_p.h>
+#include <QtDeclarative/qdeclarativeengine.h>
+#include <QNetworkReply>
+#include "testhttpserver.h"
+#include "../../../shared/util.h"
+
+// These don't let normal people run tests!
+//#include "../network-settings.h"
+
+class tst_qdeclarativepixmapcache : public QObject
+{
+    Q_OBJECT
+public:
+    tst_qdeclarativepixmapcache() :
+        thisfile(QUrl::fromLocalFile(__FILE__)),
+        server(14452)
+    {
+        server.serveDirectory(SRCDIR "/data/http");
+    }
+
+private slots:
+    void single();
+    void single_data();
+    void parallel();
+    void parallel_data();
+
+private:
+    QDeclarativeEngine engine;
+    QUrl thisfile;
+    TestHTTPServer server;
+};
+
+
+static int slotters=0;
+
+class Slotter : public QObject
+{
+    Q_OBJECT
+public:
+    Slotter()
+    {
+        gotslot = false;
+        slotters++;
+    }
+    bool gotslot;
+
+public slots:
+    void got()
+    {
+        gotslot = true;
+        --slotters;
+        if (slotters==0)
+            QTestEventLoop::instance().exitLoop();
+    }
+};
+
+#ifndef QT_NO_LOCALFILE_OPTIMIZED_QML
+static const bool localfile_optimized = true;
+#else
+static const bool localfile_optimized = false;
+#endif
+
+void tst_qdeclarativepixmapcache::single_data()
+{
+    // Note, since QDeclarativePixmapCache is shared, tests affect each other!
+    // so use different files fore all test functions.
+
+    QTest::addColumn<QUrl>("target");
+    QTest::addColumn<bool>("incache");
+    QTest::addColumn<bool>("exists");
+    QTest::addColumn<bool>("neterror");
+
+    // File URLs are optimized
+    QTest::newRow("local") << thisfile.resolved(QUrl("data/exists.png")) << localfile_optimized << true << false;
+    QTest::newRow("local") << thisfile.resolved(QUrl("data/notexists.png")) << localfile_optimized << false << false;
+    QTest::newRow("remote") << QUrl("http://127.0.0.1:14452/exists.png") << false << true << false;
+    QTest::newRow("remote") << QUrl("http://127.0.0.1:14452/notexists.png") << false << false << true;
+}
+
+void tst_qdeclarativepixmapcache::single()
+{
+    QFETCH(QUrl, target);
+    QFETCH(bool, incache);
+    QFETCH(bool, exists);
+    QFETCH(bool, neterror);
+
+    QString expectedError;
+    if (neterror) {
+        expectedError = "Error downloading " + target.toString() + " - server replied: Not found";
+    } else if (!exists) {
+        expectedError = "Cannot open: " + target.toString();
+    }
+
+    QPixmap pixmap;
+    QVERIFY(pixmap.width() <= 0); // Check Qt assumption
+    QString errorString;
+    QDeclarativePixmapReply::Status status = QDeclarativePixmapCache::get(target, &pixmap, &errorString);
+
+    if (incache) {
+        QCOMPARE(errorString, expectedError);
+        if (exists) {
+            QVERIFY(status == QDeclarativePixmapReply::Ready);
+            QVERIFY(pixmap.width() > 0);
+        } else {
+            QVERIFY(status == QDeclarativePixmapReply::Error);
+            QVERIFY(pixmap.width() <= 0);
+        }
+    } else {
+        QDeclarativePixmapReply *reply = QDeclarativePixmapCache::request(&engine, target);
+        QVERIFY(reply);
+        QVERIFY(pixmap.width() <= 0);
+
+        Slotter getter;
+        connect(reply, SIGNAL(finished()), &getter, SLOT(got()));
+        QTestEventLoop::instance().enterLoop(10);
+        QVERIFY(!QTestEventLoop::instance().timeout());
+        QVERIFY(getter.gotslot);
+        QString errorString;
+        if (exists) {
+            QVERIFY(QDeclarativePixmapCache::get(target, &pixmap, &errorString) == QDeclarativePixmapReply::Ready);
+            QVERIFY(pixmap.width() > 0);
+        } else {
+            QVERIFY(QDeclarativePixmapCache::get(target, &pixmap, &errorString) == QDeclarativePixmapReply::Error);
+            QVERIFY(pixmap.width() <= 0);
+        }
+        QCOMPARE(errorString, expectedError);
+    }
+
+    QCOMPARE(QDeclarativePixmapCache::pendingRequests(), 0);
+}
+
+void tst_qdeclarativepixmapcache::parallel_data()
+{
+    // Note, since QDeclarativePixmapCache is shared, tests affect each other!
+    // so use different files fore all test functions.
+
+    QTest::addColumn<QUrl>("target1");
+    QTest::addColumn<QUrl>("target2");
+    QTest::addColumn<int>("incache");
+    QTest::addColumn<int>("cancel"); // which one to cancel
+    QTest::addColumn<int>("requests");
+
+    QTest::newRow("local")
+            << thisfile.resolved(QUrl("data/exists1.png"))
+            << thisfile.resolved(QUrl("data/exists2.png"))
+            << (localfile_optimized ? 2 : 0)
+            << -1
+            << (localfile_optimized ? 0 : 2)
+            ;
+
+    QTest::newRow("remote")
+            << QUrl("http://127.0.0.1:14452/exists2.png")
+            << QUrl("http://127.0.0.1:14452/exists3.png")
+            << 0
+            << -1
+            << 2
+            ;
+
+    QTest::newRow("remoteagain")
+            << QUrl("http://127.0.0.1:14452/exists2.png")
+            << QUrl("http://127.0.0.1:14452/exists3.png")
+            << 2
+            << -1
+            << 0
+            ;
+
+    QTest::newRow("remotecopy")
+            << QUrl("http://127.0.0.1:14452/exists4.png")
+            << QUrl("http://127.0.0.1:14452/exists4.png")
+            << 0
+            << -1
+            << 1
+            ;
+
+    QTest::newRow("remotecopycancel")
+            << QUrl("http://127.0.0.1:14452/exists5.png")
+            << QUrl("http://127.0.0.1:14452/exists5.png")
+            << 0
+            << 0
+            << 1
+            ;
+}
+
+void tst_qdeclarativepixmapcache::parallel()
+{
+    QFETCH(QUrl, target1);
+    QFETCH(QUrl, target2);
+    QFETCH(int, incache);
+    QFETCH(int, cancel);
+    QFETCH(int, requests);
+
+    QList<QUrl> targets;
+    targets << target1 << target2;
+
+    QList<QDeclarativePixmapReply*> replies;
+    QList<Slotter*> getters;
+    for (int i=0; i<targets.count(); ++i) {
+        QUrl target = targets.at(i);
+        QPixmap pixmap;
+        QString errorString;
+        QDeclarativePixmapReply::Status status = QDeclarativePixmapCache::get(target, &pixmap, &errorString);
+        QDeclarativePixmapReply *reply = 0;
+        QVERIFY(status != QDeclarativePixmapReply::Error);
+        if (status != QDeclarativePixmapReply::Error && status != QDeclarativePixmapReply::Ready)
+            reply = QDeclarativePixmapCache::request(&engine, target);
+        replies.append(reply);
+        if (!reply) {
+            QVERIFY(pixmap.width() > 0);
+            getters.append(0);
+        } else {
+            QVERIFY(pixmap.width() <= 0);
+            getters.append(new Slotter);
+            connect(reply, SIGNAL(finished()), getters[i], SLOT(got()));
+        }
+    }
+
+    QCOMPARE(incache+slotters, targets.count());
+    QCOMPARE(QDeclarativePixmapCache::pendingRequests(), requests);
+
+    if (cancel >= 0) {
+        QDeclarativePixmapCache::cancel(targets.at(cancel), getters[cancel]);
+        slotters--;
+    }
+
+    if (slotters) {
+        QTestEventLoop::instance().enterLoop(10);
+        QVERIFY(!QTestEventLoop::instance().timeout());
+    }
+
+    for (int i=0; i<targets.count(); ++i) {
+        QDeclarativePixmapReply *reply = replies[i];
+        if (reply) {
+            if (i == cancel) {
+                QVERIFY(!getters[i]->gotslot);
+            } else {
+                QVERIFY(getters[i]->gotslot);
+                QPixmap pixmap;
+                QString errorString;
+                QVERIFY(QDeclarativePixmapCache::get(targets[i], &pixmap, &errorString) == QDeclarativePixmapReply::Ready);
+                QVERIFY(pixmap.width() > 0);
+            }
+            delete getters[i];
+        }
+    }
+
+    QCOMPARE(QDeclarativePixmapCache::pendingRequests(), 0);
+}
+
+QTEST_MAIN(tst_qdeclarativepixmapcache)
+
+#include "tst_qdeclarativepixmapcache.moc"