Write the first automated qml test for HomePage

2 files changed, 162 insertions, 3 deletions

diff --git a/tests/qmltests/TritonTestCase.qml b/tests/qmltests/TritonTestCase.qml
new file mode 100644
index 00000000..0b06ad2f
--- /dev/null
+++ b/tests/qmltests/TritonTestCase.qml
@@ -0,0 +1,101 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 Pelagicore AG
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Triton IVI UI.
+**
+** $QT_BEGIN_LICENSE:GPL-QTAS$
+** Commercial License Usage
+** Licensees holding valid commercial Qt Automotive Suite 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 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** 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.
+**
+** $QT_END_LICENSE$
+**
+** SPDX-License-Identifier: GPL-3.0
+**
+****************************************************************************/
+
+import QtTest 1.1
+
+/*
+    Collects some generally useful functions for test cases.
+ */
+TestCase {
+    when: windowShown
+
+    function touchDrag(item, x, y, toX, toY, beginTouch, endTouch, timeStep, iterations) {
+        if (!item)
+            qtest_fail("no item given", 1);
+
+        // Make sure the item is rendered
+        waitForRendering(item);
+
+        var root = fetchRootItem(item);
+        var rootFrom = item.mapToItem(root, x, y);
+        var rootTo = item.mapToItem(root, toX, toY);
+
+        // Default to true for beginTouch if not present
+        beginTouch = (beginTouch !== undefined) ? beginTouch : true
+
+        // Default to true for endTouch if not present
+        endTouch = (endTouch !== undefined) ? endTouch : true
+
+        // Set a default timeStep if not specified
+        timeStep = (timeStep !== undefined) ? timeStep : 25
+
+        // Set a default iterations if not specified
+        var iterations = (iterations !== undefined) ? iterations : 10
+
+        var diffX = (rootTo.x - rootFrom.x) / iterations
+        var diffY = (rootTo.y - rootFrom.y) / iterations
+        if (beginTouch) {
+            var event = touchEvent(item)
+            event.press(0 /* touchId */, root, rootFrom.x, rootFrom.y)
+            event.commit()
+        }
+        for (var i = 0; i < iterations; ++i) {
+            if (i === iterations - 1) {
+                // Avoid any rounding errors by making the last move be at precisely
+                // the point specified
+                wait(timeStep)
+                var event = touchEvent(item)
+                event.move(0 /* touchId */, root, rootTo.x, rootTo.y)
+                event.commit()
+            } else {
+                wait(timeStep)
+                var event = touchEvent(item)
+                event.move(0 /* touchId */, root, rootFrom.x + (i + 1) * diffX, rootFrom.y + (i + 1) * diffY)
+                event.commit()
+            }
+        }
+        if (endTouch) {
+            var event = touchEvent(item)
+            event.release(0 /* touchId */, root, rootTo.x, rootTo.y)
+            event.commit()
+        }
+    }
+
+    function fetchRootItem(item) {
+        if (!item)
+            qtest_fail("no item given", 1);
+
+        if (item.parent)
+            return fetchRootItem(item.parent)
+        else
+            return item
+    }
+}
diff --git a/tests/qmltests/tst_HomePage.qml b/tests/qmltests/tst_HomePage.qml
index 32654372..acc59bc3 100644
--- a/tests/qmltests/tst_HomePage.qml
+++ b/tests/qmltests/tst_HomePage.qml
@@ -1,3 +1,34 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 Pelagicore AG
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Triton IVI UI.
+**
+** $QT_BEGIN_LICENSE:GPL-QTAS$
+** Commercial License Usage
+** Licensees holding valid commercial Qt Automotive Suite 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 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** 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.
+**
+** $QT_END_LICENSE$
+**
+** SPDX-License-Identifier: GPL-3.0
+**
+****************************************************************************/
+
 import QtQuick 2.6
 import QtTest 1.1
 
@@ -57,6 +88,7 @@ Item {
     }
 
     HomePage {
+        id: homePage
         anchors.fill: parent
         widgetsList: ListModel { id: listModel  }
         Component.onCompleted: {
@@ -66,12 +98,38 @@ Item {
         }
     }
 
-    TestCase {
+    TritonTestCase {
         name: "HomePage"
-        when: windowShown
 
-        function test_foobar() {
+        /*
+            While dragging a resize handle, if the widget next to it cannot be
+            squeezed, squeeze the one after it, if possible.
+         */
+        function test_resizePropagates() {
+            // check start conditions
+            compare(listModel.count, 3);
+            compare(listModel.get(0).appInfo.heightRows, 1);
+            compare(listModel.get(1).appInfo.heightRows, 2);
+            compare(listModel.get(2).appInfo.heightRows, 2);
+
+
+            // get the resize handle that's under the first (top) widget, redApp.
+            var resizeHandle = findChild(homePage, "resizeHandle0");
+            verify(resizeHandle);
+
+            // drag the top-most resize handle all the way to the bottom of the screen
+            touchDrag(resizeHandle,
+                      resizeHandle.width/2, resizeHandle.height/2,
+                      resizeHandle.width/2, resizeHandle.height/2 + homePage.height);
+
+            // Both the second and the third widget (top to bottom order) should have shrunk to make space for the
+            // enlarged top widget
+            compare(listModel.get(0).appInfo.heightRows, 3);
+            compare(listModel.get(1).appInfo.heightRows, 1);
+            compare(listModel.get(2).appInfo.heightRows, 1);
+
         }
+
     }
 }