Adding tests for DesignerSupport

Change-Id: I577d0e34ce91a1fa11e3e6757bffc7adaec0f1fb
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>

4 files changed, 564 insertions, 0 deletions

diff --git a/tests/auto/quick/qquickdesignersupport/data/TestComponent.qml b/tests/auto/quick/qquickdesignersupport/data/TestComponent.qml
new file mode 100644
index 0000000000..68f456af99
--- /dev/null
+++ b/tests/auto/quick/qquickdesignersupport/data/TestComponent.qml
@@ -0,0 +1,9 @@
+import QtQuick 2.0
+
+Item {
+    width: 100
+    height: 62
+
+    x: Math.max(0, 200)
+}
+
diff --git a/tests/auto/quick/qquickdesignersupport/data/test.qml b/tests/auto/quick/qquickdesignersupport/data/test.qml
new file mode 100644
index 0000000000..1d43cb3b7e
--- /dev/null
+++ b/tests/auto/quick/qquickdesignersupport/data/test.qml
@@ -0,0 +1,39 @@
+import QtQuick 2.0
+
+Rectangle {
+    objectName: "rootItem"
+    color: "white"
+    width: 800
+    height: 600
+
+    TestComponent {
+        objectName: "testComponent"
+
+    }
+
+    Rectangle {
+        objectName: "rectangleItem"
+        gradient: Gradient {
+
+        }
+    }
+
+    Item {
+        id: item
+        objectName: "simpleItem"
+        property string testProperty: dynamicProperty
+    }
+
+    states: [
+        State {
+            name: "state01"
+            PropertyChanges {
+                target: item
+                width: 10
+            }
+        },
+        State {
+            name: "state02"
+        }
+    ]
+}
diff --git a/tests/auto/quick/qquickdesignersupport/qquickdesignersupport.pro b/tests/auto/quick/qquickdesignersupport/qquickdesignersupport.pro
new file mode 100644
index 0000000000..af932d834b
--- /dev/null
+++ b/tests/auto/quick/qquickdesignersupport/qquickdesignersupport.pro
@@ -0,0 +1,16 @@
+CONFIG += testcase
+TARGET = tst_qquickdesignersupport
+SOURCES += tst_qquickdesignersupport.cpp
+
+include (../../shared/util.pri)
+include (../shared/util.pri)
+
+osx:CONFIG -= app_bundle
+
+TESTDATA = data/*
+
+QT += core-private gui-private qml-private quick-private testlib
+DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0
+
+DISTFILES += \
+    data/TestComponent.qml
diff --git a/tests/auto/quick/qquickdesignersupport/tst_qquickdesignersupport.cpp b/tests/auto/quick/qquickdesignersupport/tst_qquickdesignersupport.cpp
new file mode 100644
index 0000000000..49535783c1
--- /dev/null
+++ b/tests/auto/quick/qquickdesignersupport/tst_qquickdesignersupport.cpp
@@ -0,0 +1,500 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** 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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include <qtest.h>
+#include <QtQml/qqmlengine.h>
+#include <QtQml/qqmlcomponent.h>
+#include <QtQuick/qquickview.h>
+#include <private/qquickdesignersupportitems_p.h>
+#include <private/qquickdesignersupportmetainfo_p.h>
+#include <private/qquickdesignersupportproperties_p.h>
+#include <private/qquickdesignersupportstates_p.h>
+#include <private/qquickdesignersupportpropertychanges_p.h>
+#include <private/qquickitem_p.h>
+#include <private/qquickstate_p.h>
+#include <private/qquickstate_p_p.h>
+#include <private/qquickstategroup_p.h>
+#include <private/qquickpropertychanges_p.h>
+#include <private/qquickrectangle_p.h>
+#include "../../shared/util.h"
+#include "../shared/visualtestutil.h"
+
+using namespace QQuickVisualTestUtil;
+
+class tst_qquickdesignersupport : public QQmlDataTest
+{
+    Q_OBJECT
+public:
+    tst_qquickdesignersupport() {}
+
+private slots:
+    void customData();
+    void customDataBindings();
+    void objectProperties();
+    void dynamicProperty();
+    void createComponent();
+    void basicStates();
+    void statesPropertyChanges();
+    void testNotifyPropertyChangeCallBack();
+    void testFixResourcePathsForObjectCallBack();
+};
+
+void tst_qquickdesignersupport::customData()
+{
+    QScopedPointer<QQuickView> view(new QQuickView);
+    view->engine()->setOutputWarningsToStandardError(false);
+    view->setSource(testFileUrl("test.qml"));
+
+    QVERIFY(view->errors().isEmpty());
+
+    QQuickItem *rootItem = view->rootObject();
+
+    QVERIFY(rootItem);
+
+    QScopedPointer<QObject> newItemScopedPointer(QQuickDesignerSupportItems::createPrimitive(QLatin1String("QtQuick/Item"), 2, 6, view->rootContext()));
+    QObject *newItem = newItemScopedPointer.data();
+
+    QVERIFY(newItem);
+    QVERIFY(qobject_cast<QQuickItem*>(newItem));
+
+    QQuickDesignerSupportProperties::registerCustomData(newItem);
+    QVERIFY(QQuickDesignerSupportProperties::getResetValue(newItem, "width").isValid());
+    int defaultWidth = QQuickDesignerSupportProperties::getResetValue(newItem, "width").toInt();
+    QCOMPARE(defaultWidth, 0);
+
+    newItem->setProperty("width", 200);
+    QCOMPARE(newItem->property("width").toInt(), 200);
+
+    //Check if reseting property does work
+    QQuickDesignerSupportProperties::doResetProperty(newItem, view->rootContext(), "width");
+    QCOMPARE(newItem->property("width").toInt(), 0);
+
+    //Setting a binding on width
+    QQuickDesignerSupportProperties::setPropertyBinding(newItem,
+                                                        view->engine()->contextForObject(newItem),
+                                                        "width",
+                                                        QLatin1String("Math.max(0, 200)"));
+    QCOMPARE(newItem->property("width").toInt(), 200);
+    QVERIFY(QQuickDesignerSupportProperties::hasBindingForProperty(newItem,
+                                                                   view->engine()->contextForObject(newItem),
+                                                                   "width",
+                                                                   0));
+
+    //Check if reseting property does work after setting binding
+    QQuickDesignerSupportProperties::doResetProperty(newItem, view->rootContext(), "width");
+    QCOMPARE(newItem->property("width").toInt(), 0);
+
+    //No custom data available for the rootItem, because not registered by QQuickDesignerSupportProperties::registerCustomData
+    QVERIFY(!QQuickDesignerSupportProperties::getResetValue(rootItem, "width").isValid());
+
+    newItemScopedPointer.reset(); //Delete the item and check if item gets removed from the hash and an invalid QVariant is returned.
+
+    QVERIFY(!QQuickDesignerSupportProperties::getResetValue(newItem, "width").isValid());
+}
+
+void tst_qquickdesignersupport::customDataBindings()
+{
+    QScopedPointer<QQuickView> view(new QQuickView);
+    view->engine()->setOutputWarningsToStandardError(false);
+    view->setSource(testFileUrl("test.qml"));
+
+    QVERIFY(view->errors().isEmpty());
+
+    QQuickItem *rootItem = view->rootObject();
+
+    QVERIFY(rootItem);
+
+    QQuickItem *testComponent = findItem<QQuickItem>(view->rootObject(), QLatin1String("testComponent"));
+
+    QVERIFY(testComponent);
+    QQuickDesignerSupportProperties::registerCustomData(testComponent);
+    QQuickDesignerSupportProperties::hasValidResetBinding(testComponent, "x");
+    QVERIFY(QQuickDesignerSupportProperties::hasBindingForProperty(testComponent,
+                                                           view->engine()->contextForObject(testComponent),
+                                                           "x",
+                                                           0));
+
+    QCOMPARE(testComponent->property("x").toInt(), 200);
+
+
+    //Set property to 100 and ovveride the default binding
+    QQmlProperty property(testComponent, "x", view->engine()->contextForObject(testComponent));
+    QVERIFY(property.write(100));
+    QCOMPARE(testComponent->property("x").toInt(), 100);
+
+    QVERIFY(!QQuickDesignerSupportProperties::hasBindingForProperty(testComponent,
+                                                           view->engine()->contextForObject(testComponent),
+                                                           "x",
+                                                           0));
+
+    //Reset the binding to the default
+    QQuickDesignerSupportProperties::doResetProperty(testComponent,
+                                                     view->engine()->contextForObject(testComponent),
+                                                     "x");
+
+    QVERIFY(QQuickDesignerSupportProperties::hasBindingForProperty(testComponent,
+                                                           view->engine()->contextForObject(testComponent),
+                                                           "x",
+                                                           0));
+    QCOMPARE(testComponent->property("x").toInt(), 200);
+
+
+
+    //Set a different binding/expression
+    QQuickDesignerSupportProperties::setPropertyBinding(testComponent,
+                                                        view->engine()->contextForObject(testComponent),
+                                                        "x",
+                                                        QLatin1String("Math.max(0, 300)"));
+
+    QVERIFY(QQuickDesignerSupportProperties::hasBindingForProperty(testComponent,
+                                                           view->engine()->contextForObject(testComponent),
+                                                           "x",
+                                                           0));
+
+    QCOMPARE(testComponent->property("x").toInt(), 300);
+
+
+
+    //Reset the binding to the default
+    QQuickDesignerSupportProperties::doResetProperty(testComponent,
+                                                     view->engine()->contextForObject(testComponent),
+                                                     "x");
+
+
+    QVERIFY(QQuickDesignerSupportProperties::hasBindingForProperty(testComponent,
+                                                           view->engine()->contextForObject(testComponent),
+                                                           "x",
+                                                           0));
+    QCOMPARE(testComponent->property("x").toInt(), 200);
+}
+
+void tst_qquickdesignersupport::objectProperties()
+{
+    QScopedPointer<QQuickView> view(new QQuickView);
+    view->engine()->setOutputWarningsToStandardError(false);
+    view->setSource(testFileUrl("test.qml"));
+
+    QVERIFY(view->errors().isEmpty());
+
+    QQuickItem *rootItem = view->rootObject();
+
+    QVERIFY(rootItem);
+
+    QQuickItem *rectangleItem = findItem<QQuickItem>(view->rootObject(), QLatin1String("rectangleItem"));
+    QVERIFY(rectangleItem);
+
+
+    //Read gradient property as QObject
+    int propertyIndex = rectangleItem->metaObject()->indexOfProperty("gradient");
+    QVERIFY(propertyIndex > 0);
+    QMetaProperty metaProperty = rectangleItem->metaObject()->property(propertyIndex);
+    QVERIFY(metaProperty.isValid());
+
+    QVERIFY(QQuickDesignerSupportProperties::isPropertyQObject(metaProperty));
+
+    QObject*gradient = QQuickDesignerSupportProperties::readQObjectProperty(metaProperty, rectangleItem);
+    QVERIFY(gradient);
+
+
+    //The width property is not a QObject
+    propertyIndex = rectangleItem->metaObject()->indexOfProperty("width");
+    QVERIFY(propertyIndex > 0);
+    metaProperty = rectangleItem->metaObject()->property(propertyIndex);
+    QVERIFY(metaProperty.isValid());
+    QVERIFY(!QQuickDesignerSupportProperties::isPropertyQObject(metaProperty));
+}
+
+void tst_qquickdesignersupport::dynamicProperty()
+{
+    QScopedPointer<QQuickView> view(new QQuickView);
+    view->engine()->setOutputWarningsToStandardError(false);
+    view->setSource(testFileUrl("test.qml"));
+
+    QVERIFY(view->errors().isEmpty());
+
+    QQuickItem *rootItem = view->rootObject();
+
+    QVERIFY(rootItem);
+
+    QQuickItem *simpleItem = findItem<QQuickItem>(view->rootObject(), QLatin1String("simpleItem"));
+
+    QVERIFY(simpleItem);
+
+    QQuickDesignerSupportProperties::registerNodeInstanceMetaObject(simpleItem, view->engine());
+    QQuickDesignerSupportProperties::getPropertyCache(simpleItem, view->engine());
+
+    QQuickDesignerSupportProperties::createNewDynamicProperty(simpleItem, view->engine(), QLatin1String("dynamicProperty"));
+
+    QQmlProperty property(simpleItem, "dynamicProperty", view->engine()->contextForObject(simpleItem));
+    QVERIFY(property.isValid());
+    QVERIFY(property.write(QLatin1String("test")));
+
+
+    QCOMPARE(property.read().toString(), QLatin1String("test"));
+
+    //Force evalutation of all bindings
+    QQuickDesignerSupport::refreshExpressions(view->rootContext());
+
+    //Check if expression to dynamic property gets properly resolved
+    property = QQmlProperty(simpleItem, "testProperty", view->engine()->contextForObject(simpleItem));
+    QVERIFY(property.isValid());
+    QCOMPARE(property.read().toString(), QLatin1String("test"));
+}
+
+void tst_qquickdesignersupport::createComponent()
+{
+    QScopedPointer<QQuickView> view(new QQuickView);
+    view->engine()->setOutputWarningsToStandardError(false);
+    view->setSource(testFileUrl("test.qml"));
+
+    QVERIFY(view->errors().isEmpty());
+
+    QQuickItem *rootItem = view->rootObject();
+
+    QVERIFY(rootItem);
+
+    QObject *testComponentObject = QQuickDesignerSupportItems::createComponent(testFileUrl("TestComponent.qml"), view->rootContext());
+    QVERIFY(testComponentObject);
+
+    QVERIFY(QQuickDesignerSupportMetaInfo::isSubclassOf(testComponentObject, "QtQuick/Item"));
+}
+
+void tst_qquickdesignersupport::basicStates()
+{
+    QScopedPointer<QQuickView> view(new QQuickView);
+    view->engine()->setOutputWarningsToStandardError(false);
+    view->setSource(testFileUrl("test.qml"));
+
+    QVERIFY(view->errors().isEmpty());
+
+    QQuickItem *rootItem = view->rootObject();
+
+    QVERIFY(rootItem);
+
+    QQuickStateGroup *stateGroup = QQuickItemPrivate::get(rootItem)->_states();
+
+    QVERIFY(stateGroup);
+
+    QCOMPARE(stateGroup->states().count(), 2 );
+
+    QQuickState *state01 = stateGroup->states().first();
+    QQuickState *state02 = stateGroup->states().last();
+
+    QVERIFY(state01);
+    QVERIFY(state02);
+
+    QCOMPARE(state01->property("name").toString(), QLatin1String("state01"));
+    QCOMPARE(state02->property("name").toString(), QLatin1String("state02"));
+
+    QVERIFY(!QQuickDesignerSupportStates::isStateActive(state01, view->rootContext()));
+    QVERIFY(!QQuickDesignerSupportStates::isStateActive(state01, view->rootContext()));
+
+    QQuickDesignerSupportStates::activateState(state01, view->rootContext());
+    QVERIFY(QQuickDesignerSupportStates::isStateActive(state01, view->rootContext()));
+
+    QQuickDesignerSupportStates::activateState(state02, view->rootContext());
+    QVERIFY(QQuickDesignerSupportStates::isStateActive(state02, view->rootContext()));
+    QVERIFY(!QQuickDesignerSupportStates::isStateActive(state01, view->rootContext()));
+
+    QQuickDesignerSupportStates::deactivateState(state02);
+    QVERIFY(!QQuickDesignerSupportStates::isStateActive(state01, view->rootContext()));
+    QVERIFY(!QQuickDesignerSupportStates::isStateActive(state01, view->rootContext()));
+}
+
+void tst_qquickdesignersupport::statesPropertyChanges()
+{
+    QScopedPointer<QQuickView> view(new QQuickView);
+    view->engine()->setOutputWarningsToStandardError(false);
+    view->setSource(testFileUrl("test.qml"));
+
+    QVERIFY(view->errors().isEmpty());
+
+    QQuickItem *rootItem = view->rootObject();
+
+    QVERIFY(rootItem);
+
+    QQuickItem *simpleItem = findItem<QQuickItem>(view->rootObject(), QLatin1String("simpleItem"));
+
+    QVERIFY(simpleItem);
+
+    QQuickStateGroup *stateGroup = QQuickItemPrivate::get(rootItem)->_states();
+
+    QVERIFY(stateGroup);
+
+    QCOMPARE(stateGroup->states().count(), 2 );
+
+    QQuickState *state01 = stateGroup->states().first();
+    QQuickState *state02 = stateGroup->states().last();
+
+    QVERIFY(state01);
+    QVERIFY(state02);
+
+    QCOMPARE(state01->property("name").toString(), QLatin1String("state01"));
+    QCOMPARE(state02->property("name").toString(), QLatin1String("state02"));
+
+    //PropertyChanges are parsed lazily
+    QQuickDesignerSupportStates::activateState(state01, view->rootContext());
+    QQuickDesignerSupportStates::deactivateState(state01);
+
+    QQuickStatePrivate *statePrivate01 = static_cast<QQuickStatePrivate *>(QQuickStatePrivate::get(state01));
+
+    QCOMPARE(state01->operationCount(), 1);
+
+    QCOMPARE(statePrivate01->operations.count(), 1);
+
+    QQuickStateOperation *propertyChange = statePrivate01->operations.at(0).data();
+
+    QCOMPARE(QQuickDesignerSupportPropertyChanges::stateObject(propertyChange), state01);
+
+    QQuickDesignerSupportPropertyChanges::changeValue(propertyChange, "width", 300);
+
+    QCOMPARE(simpleItem->property("width").toInt(), 0);
+    QQuickDesignerSupportStates::activateState(state01, view->rootContext());
+    QCOMPARE(simpleItem->property("width").toInt(), 300);
+    QQuickDesignerSupportStates::deactivateState(state01);
+    QCOMPARE(simpleItem->property("width").toInt(), 0);
+
+    //Set "base state value" in state1 using the revert list
+    QQuickDesignerSupportStates::activateState(state01, view->rootContext());
+    QQuickDesignerSupportStates::changeValueInRevertList(state01, simpleItem, "width", 200);
+    QCOMPARE(simpleItem->property("width").toInt(), 300);
+    QQuickDesignerSupportStates::deactivateState(state01);
+    QCOMPARE(simpleItem->property("width").toInt(), 200);
+
+
+    //Create new PropertyChanges
+    QQuickPropertyChanges *newPropertyChange = new QQuickPropertyChanges();
+    newPropertyChange->setParent(state01);
+    QQuickStatePrivate::operations_append(&state01->changes(), newPropertyChange);
+
+    newPropertyChange->setObject(rootItem);
+
+    QQuickDesignerSupportPropertyChanges::attachToState(newPropertyChange);
+
+    QCOMPARE(rootItem, QQuickDesignerSupportPropertyChanges::targetObject(newPropertyChange));
+
+    QCOMPARE(state01->operationCount(), 2);
+    QCOMPARE(statePrivate01->operations.count(), 2);
+
+    QCOMPARE(QQuickDesignerSupportPropertyChanges::stateObject(newPropertyChange), state01);
+
+    //Set color for rootItem in state1
+    QQuickDesignerSupportPropertyChanges::changeValue(newPropertyChange, "color", QColor(Qt::red));
+
+    QQuickDesignerSupportStates::activateState(state01, view->rootContext());
+    QCOMPARE(rootItem->property("color").value<QColor>(), QColor(Qt::red));
+    QQuickDesignerSupportStates::deactivateState(state01);
+    QCOMPARE(rootItem->property("color").value<QColor>(), QColor(Qt::white));
+
+    QQuickDesignerSupportPropertyChanges::removeProperty(newPropertyChange, "color");
+    QQuickDesignerSupportStates::activateState(state01, view->rootContext());
+    QCOMPARE(rootItem->property("color").value<QColor>(), QColor(Qt::white));
+
+}
+
+static QObject * s_object = 0;
+static QQuickDesignerSupport::PropertyName  s_propertyName;
+
+static void notifyPropertyChangeCallBackFunction(QObject *object, const QQuickDesignerSupport::PropertyName &propertyName)
+{
+    s_object = object;
+    s_propertyName = propertyName;
+}
+
+static void (*notifyPropertyChangeCallBackPointer)(QObject *, const QQuickDesignerSupport::PropertyName &) = &notifyPropertyChangeCallBackFunction;
+
+
+void tst_qquickdesignersupport::testNotifyPropertyChangeCallBack()
+{
+    QScopedPointer<QQuickView> view(new QQuickView);
+    view->engine()->setOutputWarningsToStandardError(false);
+    view->setSource(testFileUrl("test.qml"));
+
+    QVERIFY(view->errors().isEmpty());
+
+    QQuickItem *rootItem = view->rootObject();
+
+    QVERIFY(rootItem);
+
+    QQuickRectangle *rectangle = static_cast<QQuickRectangle *>(rootItem);
+    QVERIFY(rectangle);
+
+    QQuickDesignerSupportProperties::registerNodeInstanceMetaObject(rectangle, view->engine());
+
+    QQuickGradient *gradient = new QQuickGradient(rectangle);
+
+    QQuickDesignerSupportMetaInfo::registerNotifyPropertyChangeCallBack(notifyPropertyChangeCallBackPointer);
+
+    rectangle->setProperty("gradient", QVariant::fromValue<QQuickGradient *>(gradient));
+
+    QVERIFY(s_object);
+    QCOMPARE(s_object, rootItem);
+    QCOMPARE(s_propertyName, QQuickDesignerSupport::PropertyName("gradient"));
+}
+
+static void fixResourcePathsForObjectCallBackFunction(QObject *object)
+{
+    s_object = object;
+}
+
+static void (*fixResourcePathsForObjectCallBackPointer)(QObject *) = &fixResourcePathsForObjectCallBackFunction;
+
+void tst_qquickdesignersupport::testFixResourcePathsForObjectCallBack()
+{
+    QScopedPointer<QQuickView> view(new QQuickView);
+    view->engine()->setOutputWarningsToStandardError(false);
+    view->setSource(testFileUrl("test.qml"));
+
+    QVERIFY(view->errors().isEmpty());
+
+    QQuickItem *rootItem = view->rootObject();
+
+    QVERIFY(rootItem);
+
+    s_object = 0;
+
+    QQuickDesignerSupportItems::registerFixResourcePathsForObjectCallBack(fixResourcePathsForObjectCallBackPointer);
+
+    QQuickItem *simpleItem = findItem<QQuickItem>(view->rootObject(), QLatin1String("simpleItem"));
+
+    QVERIFY(simpleItem);
+
+    QQuickDesignerSupportItems::tweakObjects(simpleItem);
+
+    //Check that the fixResourcePathsForObjectCallBack was called on simpleItem
+    QCOMPARE(simpleItem , s_object);
+}
+
+
+QTEST_MAIN(tst_qquickdesignersupport)
+
+#include "tst_qquickdesignersupport.moc"