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qt5base-lts/tests/auto/other/qaccessibilitylinux/tst_qaccessibilitylinux.cpp
Frederik Gladhorn 0d57da067b Let platform plugin decide if accessibility is active 
Change-Id: I881a8ff3fedf3db73ee37046a4363c70960a92a6
Reviewed-by: Jan Arve Sæther <jan-arve.saether@digia.com>
2013-04-19 17:52:45 +02:00

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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
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** $QT_END_LICENSE$
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****************************************************************************/
#include <QtTest/QtTest>
#include <QtGui>
#include <QtWidgets/QHBoxLayout>
#include <QtWidgets/QLabel>
#include <QtWidgets/QLineEdit>
#include <QtWidgets/QListWidget>
#include <QtWidgets/QTreeWidget>
#include <QtWidgets/QTextEdit>
#include <QDBusArgument>
#include <QDBusConnection>
#include <QDBusMessage>
#include <QDBusInterface>
#include <QDBusReply>
#include "atspi/atspi-constants.h"
#include "bus_interface.h"
#include "dbusconnection_p.h"
#include "struct_marshallers_p.h"
#define COMPARE3(v1, v2, v3) QCOMPARE(v1, v3); QCOMPARE(v2, v3);
class AccessibleTestWindow : public QWidget
{
Q_OBJECT
public:
AccessibleTestWindow()
{
new QHBoxLayout(this);
}
void addWidget(QWidget* widget)
{
layout()->addWidget(widget);
widget->show();
QTest::qWaitForWindowExposed(widget);
}
void clearChildren()
{
qDeleteAll(children());
new QHBoxLayout(this);
}
};
class tst_QAccessibilityLinux : public QObject
{
Q_OBJECT
private slots:
void initTestCase();
void testLabel();
void testLineEdit();
void testListWidget();
void testTreeWidget();
void testTextEdit();
void testSlider();
void cleanupTestCase();
private:
void registerDbus();
static QString getParent(QDBusInterface *interface);
static QStringList getChildren(QDBusInterface *interface);
QDBusInterface *getInterface(const QString &path, const QString &interfaceName);
AccessibleTestWindow *m_window;
QString address;
QDBusInterface *root; // the root object on dbus (for the app)
QDBusInterface *rootApplication;
QDBusInterface *mainWindow;
DBusConnection dbus;
};
// helper to find children of a dbus object
QStringList tst_QAccessibilityLinux::getChildren(QDBusInterface *interface)
{
QSpiObjectReferenceArray list;
const QList<QVariant> args = interface->call(QDBus::Block, "GetChildren").arguments();
Q_ASSERT(args.size() == 1);
Q_ASSERT(args.first().isValid());
args.first().value<QDBusArgument>() >> list;
Q_ASSERT(interface->property("ChildCount").toInt() == list.count());
QStringList children;
Q_FOREACH (const QSpiObjectReference &ref, list)
children << ref.path.path();
return children;
}
QString tst_QAccessibilityLinux::getParent(QDBusInterface *interface)
{
if (!interface->isValid())
return QString();
QVariant var = interface->property("Parent");
if (!var.canConvert<QSpiObjectReference>()) {
qWarning() << "Invalid parent";
return QString();
}
QSpiObjectReference parent = var.value<QSpiObjectReference>();
return parent.path.path();
}
// helper to get dbus object
QDBusInterface *tst_QAccessibilityLinux::getInterface(const QString &path, const QString &interfaceName)
{
return new QDBusInterface(address, path, interfaceName, dbus.connection(), this);
}
void tst_QAccessibilityLinux::initTestCase()
{
// Oxygen style creates many extra items, it's simply unusable here
qApp->setStyle("fusion");
qApp->setApplicationName("tst_QAccessibilityLinux app");
// Pretend we are a screen reader
QDBusConnection c = QDBusConnection::sessionBus();
OrgA11yStatusInterface *a11yStatus = new OrgA11yStatusInterface(QStringLiteral("org.a11y.Bus"), QStringLiteral("/org/a11y/bus"), c, this);
a11yStatus->setScreenReaderEnabled(true);
QTRY_VERIFY(dbus.isEnabled());
QTRY_VERIFY(dbus.connection().isConnected());
address = dbus.connection().baseService().toLatin1().data();
QVERIFY(!address.isEmpty());
m_window = new AccessibleTestWindow();
m_window->show();
QTest::qWaitForWindowExposed(m_window);
registerDbus();
}
void tst_QAccessibilityLinux::cleanupTestCase()
{
delete mainWindow;
delete rootApplication;
delete root;
delete m_window;
}
void tst_QAccessibilityLinux::registerDbus()
{
QVERIFY(dbus.connection().isConnected());
root = getInterface("/org/a11y/atspi/accessible/root",
"org.a11y.atspi.Accessible");
rootApplication = getInterface("/org/a11y/atspi/accessible/root",
"org.a11y.atspi.Application");
QVERIFY(root->isValid());
QVERIFY(rootApplication->isValid());
QStringList appChildren = getChildren(root);
QString window = appChildren.at(0);
mainWindow = getInterface(window, "org.a11y.atspi.Accessible");
}
#define ROOTPATH "/org/a11y/atspi/accessible"
void tst_QAccessibilityLinux::testLabel()
{
QLabel *l = new QLabel(m_window);
l->setText("Hello A11y");
m_window->addWidget(l);
// Application
QCOMPARE(getParent(mainWindow), QLatin1String(ATSPI_DBUS_PATH_ROOT));
QStringList children = getChildren(mainWindow);
QDBusInterface *labelInterface = getInterface(children.at(0), "org.a11y.atspi.Accessible");
QVERIFY(labelInterface->isValid());
QCOMPARE(labelInterface->property("Name").toString(), QLatin1String("Hello A11y"));
QCOMPARE(getChildren(labelInterface).count(), 0);
QCOMPARE(labelInterface->call(QDBus::Block, "GetRoleName").arguments().first().toString(), QLatin1String("label"));
QCOMPARE(labelInterface->call(QDBus::Block, "GetRole").arguments().first().toUInt(), 29u);
QCOMPARE(getParent(labelInterface), mainWindow->path());
l->setText("New text");
QCOMPARE(labelInterface->property("Name").toString(), l->text());
m_window->clearChildren();
delete labelInterface;
}
void tst_QAccessibilityLinux::testLineEdit()
{
QLineEdit *lineEdit = new QLineEdit(m_window);
lineEdit->setText("a11y test QLineEdit");
m_window->addWidget(lineEdit);
QStringList children = getChildren(mainWindow);
QDBusInterface *accessibleInterface = getInterface(children.at(0), "org.a11y.atspi.Accessible");
QDBusInterface *editableTextInterface = getInterface(children.at(0), "org.a11y.atspi.EditableText");
QDBusInterface *textInterface = getInterface(children.at(0), "org.a11y.atspi.Text");
QVERIFY(accessibleInterface->isValid());
QVERIFY(editableTextInterface->isValid());
QVERIFY(textInterface->isValid());
QCOMPARE(accessibleInterface->call(QDBus::Block, "GetRoleName").arguments().first().toString(), QLatin1String("text"));
QCOMPARE(textInterface->call(QDBus::Block,"GetText", 5, -1).arguments().first().toString(), QLatin1String("test QLineEdit"));
QString newText = "Text has changed!";
editableTextInterface->call(QDBus::Block, "SetTextContents", newText);
COMPARE3(lineEdit->text(), textInterface->call(QDBus::Block, "GetText", 0, -1).arguments().first().toString(), newText);
QCOMPARE(textInterface->call(QDBus::Block, "GetText", 0, 4).arguments().first().toString(), QLatin1String("Text"));
editableTextInterface->call(QDBus::Block, "DeleteText", 4, 8);
COMPARE3(lineEdit->text(), "Te" + textInterface->call(QDBus::Block, "GetText", 2, 10).arguments().first().toString() + "ed!", QLatin1String("Text changed!"));
editableTextInterface->call(QDBus::Block, "InsertText", 12, " again ", 6);
QCOMPARE(lineEdit->text(), QLatin1String("Text changed again!"));
COMPARE3(lineEdit->text().length(), textInterface->property("CharacterCount").toInt(), 19);
textInterface->call(QDBus::Block, "SetCaretOffset", 4);
COMPARE3(lineEdit->cursorPosition(), textInterface->property("CaretOffset").toInt(), 4);
textInterface->call(QDBus::Block, "AddSelection", 1, 4);
QList<QVariant> data = textInterface->call(QDBus::Block, "GetSelection", 0).arguments();
COMPARE3(data.at(0).toInt(), lineEdit->selectionStart(), 1);
QCOMPARE(data.at(1).toInt(), 4);
QCOMPARE(lineEdit->selectedText().length(), 3);
QCOMPARE(textInterface->call(QDBus::Block, "GetNSelections").arguments().first().toInt(), 1);
textInterface->call(QDBus::Block, "SetSelection", 0, 0, 5);
data = textInterface->call(QDBus::Block, "GetSelection", 0).arguments();
COMPARE3(data.at(0).toInt(), lineEdit->selectionStart(), 0);
COMPARE3(data.at(1).toInt(), lineEdit->selectedText().length(), 5);
textInterface->call(QDBus::Block, "RemoveSelection", 0);
QCOMPARE(lineEdit->selectionStart(), -1);
QCOMPARE(textInterface->call(QDBus::Block, "GetNSelections").arguments().first().toInt(), 0);
m_window->clearChildren();
delete accessibleInterface;
delete textInterface;
delete editableTextInterface;
}
void tst_QAccessibilityLinux::testListWidget()
{
QListWidget *lw = new QListWidget;
lw->addItem("Hello");
lw->addItem("Good morning");
lw->addItem("Good bye");
m_window->addWidget(lw);
QStringList children = getChildren(mainWindow);
QDBusInterface *listIface = getInterface(children.at(0), "org.a11y.atspi.Accessible");
QCOMPARE(listIface->call(QDBus::Block, "GetRoleName").arguments().first().toString(), QLatin1String("list"));
QStringList tableChildren = getChildren(listIface);
QCOMPARE(tableChildren.size(), 3);
QDBusInterface *cell1 = getInterface(tableChildren.at(0), "org.a11y.atspi.Accessible");
QCOMPARE(cell1->call(QDBus::Block, "GetRoleName").arguments().first().toString(), QLatin1String("list item"));
QCOMPARE(cell1->property("Name").toString(), QLatin1String("Hello"));
QDBusInterface *cell2 = getInterface(tableChildren.at(1), "org.a11y.atspi.Accessible");
QCOMPARE(cell2->call(QDBus::Block, "GetRoleName").arguments().first().toString(), QLatin1String("list item"));
QCOMPARE(cell2->property("Name").toString(), QLatin1String("Good morning"));
QDBusInterface *cell3 = getInterface(tableChildren.at(2), "org.a11y.atspi.Accessible");
QCOMPARE(cell3->call(QDBus::Block, "GetRoleName").arguments().first().toString(), QLatin1String("list item"));
QCOMPARE(cell3->property("Name").toString(), QLatin1String("Good bye"));
delete cell1; delete cell2; delete cell3;
m_window->clearChildren();
delete listIface;
}
void tst_QAccessibilityLinux::testTreeWidget()
{
QTreeWidget *tree = new QTreeWidget;
tree->setColumnCount(2);
tree->setHeaderLabels(QStringList() << "Header 1" << "Header 2");
QTreeWidgetItem *top1 = new QTreeWidgetItem(QStringList() << "0.0" << "0.1");
tree->addTopLevelItem(top1);
QTreeWidgetItem *top2 = new QTreeWidgetItem(QStringList() << "1.0" << "1.1");
tree->addTopLevelItem(top2);
QTreeWidgetItem *child1 = new QTreeWidgetItem(QStringList() << "1.0 0.0" << "1.0 0.1");
top2->addChild(child1);
m_window->addWidget(tree);
QStringList children = getChildren(mainWindow);
QDBusInterface *treeIface = getInterface(children.at(0), "org.a11y.atspi.Accessible");
QCOMPARE(treeIface->call(QDBus::Block, "GetRoleName").arguments().first().toString(), QLatin1String("tree"));
QStringList tableChildren = getChildren(treeIface);
QCOMPARE(tableChildren.size(), 6);
QDBusInterface *cell1 = getInterface(tableChildren.at(0), "org.a11y.atspi.Accessible");
QCOMPARE(cell1->call(QDBus::Block, "GetRoleName").arguments().first().toString(), QLatin1String("column header"));
QCOMPARE(cell1->property("Name").toString(), QLatin1String("Header 1"));
QDBusInterface *cell2 = getInterface(tableChildren.at(1), "org.a11y.atspi.Accessible");
QCOMPARE(cell2->call(QDBus::Block, "GetRoleName").arguments().first().toString(), QLatin1String("column header"));
QCOMPARE(cell2->property("Name").toString(), QLatin1String("Header 2"));
QDBusInterface *cell3 = getInterface(tableChildren.at(2), "org.a11y.atspi.Accessible");
QCOMPARE(cell3->property("Name").toString(), QLatin1String("0.0"));
QDBusInterface *cell4 = getInterface(tableChildren.at(3), "org.a11y.atspi.Accessible");
QCOMPARE(cell4->property("Name").toString(), QLatin1String("0.1"));
tree->expandItem(top2);
tableChildren = getChildren(treeIface);
QCOMPARE(tableChildren.size(), 8);
QDBusInterface *cell5 = getInterface(tableChildren.at(6), "org.a11y.atspi.Accessible");
QCOMPARE(cell5->property("Name").toString(), QLatin1String("1.0 0.0"));
QDBusInterface *cell6 = getInterface(tableChildren.at(7), "org.a11y.atspi.Accessible");
QCOMPARE(cell6->property("Name").toString(), QLatin1String("1.0 0.1"));
QDBusInterface *treeTableIface = getInterface(children.at(0), "org.a11y.atspi.Table");
QCOMPARE(treeTableIface->call(QDBus::Block, "GetRowAtIndex", 0).arguments().first().toInt(), -1);
QCOMPARE(treeTableIface->call(QDBus::Block, "GetRowAtIndex", 1).arguments().first().toInt(), -1);
QCOMPARE(treeTableIface->call(QDBus::Block, "GetRowAtIndex", 2).arguments().first().toInt(), 0);
QCOMPARE(treeTableIface->call(QDBus::Block, "GetRowAtIndex", 3).arguments().first().toInt(), 0);
QCOMPARE(treeTableIface->call(QDBus::Block, "GetRowAtIndex", 4).arguments().first().toInt(), 1);
QCOMPARE(treeTableIface->call(QDBus::Block, "GetRowAtIndex", 5).arguments().first().toInt(), 1);
QCOMPARE(treeTableIface->call(QDBus::Block, "GetRowAtIndex", 6).arguments().first().toInt(), 2);
QCOMPARE(treeTableIface->call(QDBus::Block, "GetRowAtIndex", 7).arguments().first().toInt(), 2);
QCOMPARE(treeTableIface->call(QDBus::Block, "GetColumnAtIndex", 0).arguments().first().toInt(), 0);
QCOMPARE(treeTableIface->call(QDBus::Block, "GetColumnAtIndex", 1).arguments().first().toInt(), 1);
QCOMPARE(treeTableIface->call(QDBus::Block, "GetColumnAtIndex", 2).arguments().first().toInt(), 0);
QCOMPARE(treeTableIface->call(QDBus::Block, "GetColumnAtIndex", 3).arguments().first().toInt(), 1);
QCOMPARE(treeTableIface->call(QDBus::Block, "GetColumnAtIndex", 4).arguments().first().toInt(), 0);
QCOMPARE(treeTableIface->call(QDBus::Block, "GetColumnAtIndex", 5).arguments().first().toInt(), 1);
QCOMPARE(treeTableIface->call(QDBus::Block, "GetColumnAtIndex", 6).arguments().first().toInt(), 0);
QCOMPARE(treeTableIface->call(QDBus::Block, "GetColumnAtIndex", 7).arguments().first().toInt(), 1);
delete treeTableIface;
delete cell1; delete cell2; delete cell3; delete cell4; delete cell5; delete cell6;
m_window->clearChildren();
delete treeIface;
}
void tst_QAccessibilityLinux::testTextEdit()
{
QTextEdit *textEdit = new QTextEdit(m_window);
textEdit->setText("<html><head></head><body>This is a <b>sample</b> text.<br />"
"How are you today</body></html>");
textEdit->show();
m_window->addWidget(textEdit);
QStringList children = getChildren(mainWindow);
QDBusInterface *accessibleInterface = getInterface(children.at(0), "org.a11y.atspi.Accessible");
QDBusInterface *editableTextInterface = getInterface(children.at(0), "org.a11y.atspi.EditableText");
QDBusInterface *textInterface = getInterface(children.at(0), "org.a11y.atspi.Text");
QVERIFY(accessibleInterface->isValid());
QVERIFY(editableTextInterface->isValid());
QVERIFY(textInterface->isValid());
QList<QVariant> callResult;
QDBusMessage msg = textInterface->call(QDBus::Block, "GetText", 0, 5);
callResult = msg.arguments();
QCOMPARE(callResult.at(0).toString(), QLatin1String("This "));
msg = textInterface->call(QDBus::Block, "GetTextAtOffset", 12, (uint) ATSPI_TEXT_BOUNDARY_WORD_START);
callResult = msg.arguments();
QEXPECT_FAIL("", "Word should contain space at end according to atspi.", Continue);
QCOMPARE(callResult.at(0).toString(), QLatin1String("sample "));
QCOMPARE(callResult.at(1).toInt(), 10);
QEXPECT_FAIL("", "Due to missing space the count is off by one.", Continue);
QCOMPARE(callResult.at(2).toInt(), 17);
// Check if at least CharacterExtents and RangeExtents give a consistent result
QDBusReply<QRect> replyRect20 = textInterface->call(QDBus::Block, "GetCharacterExtents", 20, ATSPI_COORD_TYPE_SCREEN);
QVERIFY(replyRect20.isValid());
QRect r1 = replyRect20.value();
QDBusReply<QRect> replyRect21 = textInterface->call(QDBus::Block, "GetCharacterExtents", 21, ATSPI_COORD_TYPE_SCREEN);
QRect r2 = replyRect21.value();
QDBusReply<QRect> reply = textInterface->call(QDBus::Block, "GetRangeExtents", 20, 21, ATSPI_COORD_TYPE_SCREEN);
QRect rect = reply.value();
QCOMPARE(rect, r1|r2);
m_window->clearChildren();
delete textInterface;
}
void tst_QAccessibilityLinux::testSlider()
{
QSlider *slider = new QSlider(m_window);
slider->setMinimum(2);
slider->setMaximum(5);
slider->setValue(3);
m_window->addWidget(slider);
QStringList children = getChildren(mainWindow);
QDBusInterface *accessibleInterface = getInterface(children.at(0), "org.a11y.atspi.Accessible");
QDBusInterface *valueInterface = getInterface(children.at(0), "org.a11y.atspi.Value");
QVERIFY(accessibleInterface->isValid());
QVERIFY(valueInterface->isValid());
QCOMPARE(valueInterface->property("CurrentValue").toInt(), 3);
QCOMPARE(valueInterface->property("MinimumValue").toInt(), 2);
QCOMPARE(valueInterface->property("MaximumValue").toInt(), 5);
valueInterface->setProperty("CurrentValue", 4);
QCOMPARE(valueInterface->property("CurrentValue").toInt(), 4);
}
QTEST_MAIN(tst_QAccessibilityLinux)
#include "tst_qaccessibilitylinux.moc"
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