Content unit test for KDescendantsProxyModel

Currently failing, hoping Kossebau will fix the code.

CCMAIL: kossebau@kde.org
REVIEW: 128513

autotests/CMakeLists.txt

@@ -17,6 +17,7 @@ include(ECMAddTests)
 ecm_add_tests(
   kconcatenaterowsproxymodeltest.cpp
   kdescendantsproxymodel_smoketest.cpp
+  kdescendantsproxymodeltest.cpp
   kextracolumnsproxymodeltest.cpp
   klinkitemselectionmodeltest.cpp
   testmodelqueuedconnections.cpp

autotests/kdescendantsproxymodeltest.cpp

@@ -0,0 +1,92 @@
+/*
+    Copyright (C) 2016 Sune Vuorela <sune@debian.org>
+
+    This library is free software; you can redistribute it and/or modify it
+    under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation; either version 2.1 of the License, or (at your
+    option) any later version.
+
+    This library is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
+    License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to the
+    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+    02110-1301, USA.
+*/
+
+#include "kdescendantsproxymodel.h"
+
+#include <QStandardItemModel>
+#include <QTest>
+
+class tst_KDescendantProxyModel : public QObject
+{
+    Q_OBJECT
+    QAbstractItemModel *createTree(const QString &prefix)
+    {
+        QStandardItemModel *model = new QStandardItemModel();
+        for (int i = 0; i < 2 ; i++) {
+            QStandardItem *item = new QStandardItem();
+            item->setData(QString(prefix + QString::number(i)), Qt::DisplayRole);
+            for (int j = 0 ; j < 2 ; j++) {
+                QStandardItem *child = new QStandardItem();
+                child->setData(QString(prefix + QString::number(i) + "-" + QString::number(j)), Qt::DisplayRole);
+                item->appendRow(child);
+            }
+            model->appendRow(item);
+        }
+        return model;
+    }
+private Q_SLOTS:
+    void testResetModelContent();
+};
+
+/// Tests that replacing the source model results in data getting changed
+void tst_KDescendantProxyModel::testResetModelContent()
+{
+    auto model1 = createTree("FirstModel");
+    KDescendantsProxyModel proxy;
+    proxy.setSourceModel(model1);
+    QCOMPARE(proxy.rowCount(), 6);
+
+    {
+        QStringList results = QStringList()
+                              << "FirstModel0"
+                              << "FirstModel0-0"
+                              << "FirstModel0-1"
+                              << "FirstModel1"
+                              << "FirstModel1-0"
+                              << "FirstModel1-1";
+        QCOMPARE(proxy.rowCount(), results.count());
+        for (int i  = 0 ; i < proxy.rowCount() ; i++) {
+            QCOMPARE(proxy.index(i, 0).data(Qt::DisplayRole).toString(), results[i]);
+        }
+    }
+    auto model2 = createTree("SecondModel");
+    {
+        proxy.setSourceModel(model2);
+        QStringList results = QStringList()
+                              << "SecondModel0"
+                              << "SecondModel0-0"
+                              << "SecondModel0-1"
+                              << "SecondModel1"
+                              << "SecondModel1-0"
+                              << "SecondModel1-1";
+        QCOMPARE(proxy.rowCount(), results.count());
+        for (int i  = 0 ; i < proxy.rowCount() ; i++) {
+            QEXPECT_FAIL("", "KDescendantProxyModel broken in setSourceModel", Continue);
+            QCOMPARE(proxy.index(i, 0).data(Qt::DisplayRole).toString(), results[i]);
+        }
+    }
+
+    delete model2;
+    delete model1;
+}
+
+QTEST_MAIN(tst_KDescendantProxyModel)
+
+#include "kdescendantsproxymodeltest.moc"
+