1 files changed, 184 insertions, 0 deletions
diff --git a/tests/auto/client/inputcontext/tst_inputcontext.cpp b/tests/auto/client/inputcontext/tst_inputcontext.cpp
new file mode 100644
index 000000000..b1a5a7f17
--- /dev/null
+++ b/tests/auto/client/inputcontext/tst_inputcontext.cpp
@@ -0,0 +1,184 @@
+/****************************************************************************
+**
+** Copyright (C) 2019 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** 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
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "mockcompositor.h"
+#include "textinput.h"
+
+#include <QtCore/QString>
+#include <QtCore/QByteArray>
+
+#include <QtGui/private/qguiapplication_p.h>
+#include <QtGui/qpa/qplatforminputcontext.h>
+#include <QtGui/qpa/qplatformintegration.h>
+#include <QtGui/qpa/qplatforminputcontextfactory_p.h>
+
+#include <QtTest/QtTest>
+
+using namespace MockCompositor;
+
+class tst_inputcontext : public QObject, private DefaultCompositor
+{
+    Q_OBJECT
+private slots:
+    void initTestCase();
+    void selectingInputContext_data();
+    void selectingInputContext();
+    void inputContextReconfigurationWhenTogglingTextInputExtension();
+
+private:
+    QByteArray inputContextName() const;
+    void ensureTextInputPresentOnCompositor();
+    void ensureTextInputNotPresentOnCompositor();
+
+    QByteArray mComposeModule = QByteArray("QComposeInputContext"); // default input context
+    QByteArray mIbusModule    = QByteArray("QIBusPlatformInputContext");
+    QByteArray mWaylandModule = QByteArray("QtWaylandClient::QWaylandInputContext");
+
+    TextInputManager *mTextInputManager = nullptr;
+};
+
+void tst_inputcontext::initTestCase()
+{
+    // Verify that plugins are present and valid
+    QPlatformInputContext *context = QPlatformInputContextFactory::create(QStringLiteral("compose"));
+    QVERIFY(context && context->isValid());
+
+    context = QPlatformInputContextFactory::create(QStringLiteral("ibus"));
+    // The ibus plugin depends on properly configured system services, if plugin is not valid
+    // verify that wayland qpa plugin properly fallbacks to default input context.
+    if (!context || !context->isValid())
+        mIbusModule = mComposeModule;
+}
+
+QByteArray tst_inputcontext::inputContextName() const
+{
+    QPlatformIntegration *platformIntegration = QGuiApplicationPrivate::platformIntegration();
+    if (platformIntegration->inputContext())
+        return platformIntegration->inputContext()->metaObject()->className();
+
+    return QByteArray("");
+}
+
+void tst_inputcontext::ensureTextInputPresentOnCompositor()
+{
+    exec([&] {
+        QVector<TextInputManager *> extensions = getAll<TextInputManager>();
+        if (extensions.length() > 1)
+            QFAIL("TextInputManager is a singleton, hence there should not be more then one object returned");
+        if (extensions.length() == 0)
+            add<TextInputManager>();
+    });
+}
+
+void tst_inputcontext::ensureTextInputNotPresentOnCompositor()
+{
+    exec([&] {
+        QVector<TextInputManager *> extensions = getAll<TextInputManager>();
+        if (extensions.length() > 1)
+            QFAIL("TextInputManager is a singleton, hence there should not be more then one object returned");
+        if (extensions.length() == 1)
+            remove(extensions.first());
+    });
+}
+
+void tst_inputcontext::selectingInputContext_data()
+{
+    QTest::addColumn<QByteArray>("requestedModule");
+    QTest::addColumn<QByteArray>("expectedModule");
+
+    // Test compositor without Text Input extension
+    QTest::newRow("ibus")    << QByteArray("ibus")    << mIbusModule;
+    QTest::newRow("compose") << QByteArray("compose") << mComposeModule;
+    QTest::newRow("empty")   << QByteArray("")        << mComposeModule;
+    QTest::newRow("null")    << QByteArray()          << mComposeModule;
+    QTest::newRow("fake")    << QByteArray("fake")    << mComposeModule;
+
+    // Test compositor with Text Input extension
+    QTest::newRow("ibus:text-input")    << QByteArray("ibus")    << mIbusModule;
+    QTest::newRow("compose:text-input") << QByteArray("compose") << mComposeModule;
+    QTest::newRow("empty:text-input")   << QByteArray("")        << mComposeModule;
+    QTest::newRow("null:text-input")    << QByteArray()          << mWaylandModule;
+    QTest::newRow("fake:text-input")    << QByteArray("fake")    << mComposeModule;
+}
+
+void tst_inputcontext::selectingInputContext()
+{
+    QFETCH(QByteArray, requestedModule);
+    QFETCH(QByteArray, expectedModule);
+
+    if (requestedModule.isNull())
+        qunsetenv("QT_IM_MODULE");
+    else
+        qputenv("QT_IM_MODULE", requestedModule);
+
+    const bool withTextInputAtCompositorSide = QByteArray(QTest::currentDataTag()).endsWith(":text-input");
+
+    if (withTextInputAtCompositorSide)
+        ensureTextInputPresentOnCompositor();
+    else
+        ensureTextInputNotPresentOnCompositor();
+
+    int argc = 0;
+    QGuiApplication app(argc, nullptr); // loads the platform plugin
+
+    QCOMPARE(inputContextName(), expectedModule);
+}
+
+void tst_inputcontext::inputContextReconfigurationWhenTogglingTextInputExtension()
+{
+    qunsetenv("QT_IM_MODULE");
+
+    ensureTextInputPresentOnCompositor();
+    int argc = 0;
+    QGuiApplication app(argc, nullptr); // loads the platform plugin
+    QCOMPARE(inputContextName(), mWaylandModule);
+
+    // remove text input extension after the platform plugin has been loaded
+    ensureTextInputNotPresentOnCompositor();
+    // QTRY_* because we need to spin the event loop for wayland QPA plugin
+    // to handle registry_global_remove()
+    QTRY_COMPARE(inputContextName(), mComposeModule);
+
+    // add text input extension after the platform plugin has been loaded
+    ensureTextInputPresentOnCompositor();
+    // QTRY_* because we need to spin the event loop for wayland QPA plugin
+    // to handle registry_global()
+    QTRY_COMPARE(inputContextName(), mWaylandModule);
+}
+
+int main(int argc, char *argv[])
+{
+    qputenv("XDG_RUNTIME_DIR", ".");
+    qputenv("QT_QPA_PLATFORM", "wayland");
+
+    tst_inputcontext tc;
+    QTEST_SET_MAIN_SOURCE_PATH
+    return QTest::qExec(&tc, argc, argv);
+}
+
+#include "tst_inputcontext.moc"