File indexing completed on 2024-12-01 09:54:02

 /*
     SPDX-FileCopyrightText: 2016 Ableton AG <info@ableton.com>
     SPDX-FileContributor: Stephen Kelly <stephen.kelly@ableton.com>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include <QIdentityProxyModel>
 #include <QItemSelection>
 #include <QSignalSpy>
 #include <QStringListModel>
 #include <QTest>
 
 #include "kmodelindexproxymapper.h"
 
 class ModelIndexProxyMapperTest : public QObject
 {
     Q_OBJECT
 private Q_SLOTS:
 
     void init();
 
     void testIndexMapping();
     void testSelectionMapping();
     void selfConnection();
     void connectedChangedSimple();
     void connectedChangedComplex();
     void crossWires();
     void isConnected();
 
 private:
     QStringListModel baseModel;
 
     QIdentityProxyModel proxy_common1;
 
     QIdentityProxyModel proxy_left1;
     QIdentityProxyModel proxy_left2;
     QIdentityProxyModel proxy_left3;
 
     QIdentityProxyModel proxy_right1;
     QIdentityProxyModel proxy_right2;
     QIdentityProxyModel proxy_right3;
     QIdentityProxyModel proxy_right4;
 };
 
 void ModelIndexProxyMapperTest::init()
 {
     baseModel.setStringList({"Monday", "Tuesday", "Wednesday"});
 
     proxy_common1.setSourceModel(&baseModel);
 
     proxy_left1.setSourceModel(&proxy_common1);
     proxy_left2.setSourceModel(&proxy_left1);
     proxy_left3.setSourceModel(&proxy_left2);
 
     proxy_right1.setSourceModel(&proxy_common1);
     proxy_right2.setSourceModel(&proxy_right1);
     proxy_right3.setSourceModel(&proxy_right2);
     proxy_right4.setSourceModel(&proxy_right3);
 }
 
 void ModelIndexProxyMapperTest::testIndexMapping()
 {
     KModelIndexProxyMapper mapper(&proxy_left3, &proxy_right4);
 
     auto leftIdx = proxy_left3.index(0, 0);
     auto rightIdx = proxy_right4.index(0, 0);
 
     QVERIFY(leftIdx.isValid());
     QVERIFY(rightIdx.isValid());
 
     QCOMPARE(mapper.mapLeftToRight(leftIdx), rightIdx);
     QCOMPARE(mapper.mapRightToLeft(rightIdx), leftIdx);
 }
 
 void ModelIndexProxyMapperTest::testSelectionMapping()
 {
     KModelIndexProxyMapper mapper(&proxy_left3, &proxy_right4);
 
     auto leftIdx = proxy_left3.index(0, 0);
     auto rightIdx = proxy_right4.index(0, 0);
 
     auto leftSel = QItemSelection(leftIdx, leftIdx);
     auto rightSel = QItemSelection(rightIdx, rightIdx);
 
     QCOMPARE(leftSel.indexes().size(), 1);
     QCOMPARE(rightSel.indexes().size(), 1);
 
     QVERIFY(leftSel.indexes().first().isValid());
     QVERIFY(rightSel.indexes().first().isValid());
 
     QCOMPARE(mapper.mapSelectionLeftToRight(leftSel), rightSel);
     QCOMPARE(mapper.mapSelectionRightToLeft(rightSel), leftSel);
 }
 
 void ModelIndexProxyMapperTest::selfConnection()
 {
     KModelIndexProxyMapper mapper(&baseModel, &baseModel);
     QVERIFY(mapper.isConnected());
 
     auto idx = baseModel.index(0, 0);
     QVERIFY(idx.isValid());
 
     QCOMPARE(mapper.mapLeftToRight(idx), idx);
 }
 
 void ModelIndexProxyMapperTest::connectedChangedSimple()
 {
     QIdentityProxyModel proxy1;
     Q_SET_OBJECT_NAME(proxy1);
 
     KModelIndexProxyMapper mapper(&proxy1, &baseModel);
 
     QSignalSpy spy(&mapper, SIGNAL(isConnectedChanged()));
 
     QVERIFY(!mapper.isConnected());
     proxy1.setSourceModel(&baseModel);
 
     QVERIFY(mapper.isConnected());
     QCOMPARE(spy.count(), 1);
 }
 
 void ModelIndexProxyMapperTest::connectedChangedComplex()
 {
     KModelIndexProxyMapper mapper(&proxy_left3, &proxy_right4);
 
     QSignalSpy spy(&mapper, SIGNAL(isConnectedChanged()));
 
     QVERIFY(mapper.isConnected());
 
     proxy_right2.setSourceModel(nullptr);
 
     QVERIFY(!mapper.isConnected());
     QCOMPARE(spy.count(), 1);
 
     proxy_right2.setSourceModel(&proxy_right1);
 
     QVERIFY(mapper.isConnected());
     QCOMPARE(spy.count(), 2);
 
     auto leftIdx = proxy_left3.index(0, 0);
     QVERIFY(leftIdx.isValid());
     auto rightIdx = mapper.mapLeftToRight(leftIdx);
     QVERIFY(rightIdx.isValid());
     QCOMPARE(mapper.mapRightToLeft(rightIdx), leftIdx);
 
     QIdentityProxyModel replacement_right1;
     replacement_right1.setSourceModel(&proxy_right1);
     proxy_right2.setSourceModel(&replacement_right1);
 
     QVERIFY(mapper.isConnected());
     QCOMPARE(spy.count(), 2);
 }
 
 void ModelIndexProxyMapperTest::crossWires()
 {
     KModelIndexProxyMapper mapper(&proxy_left3, &proxy_right4);
 
     QSignalSpy spy(&mapper, SIGNAL(isConnectedChanged()));
 
     QVERIFY(mapper.isConnected());
 
     proxy_left3.setSourceModel(&proxy_right3);
 
     QVERIFY(mapper.isConnected());
     QCOMPARE(spy.count(), 0);
 
     {
         auto leftIdx = proxy_left3.index(0, 0);
         auto rightIdx = proxy_right4.index(0, 0);
         QCOMPARE(mapper.mapLeftToRight(leftIdx), rightIdx);
     }
 
     proxy_right4.setSourceModel(&proxy_left2);
 
     QVERIFY(mapper.isConnected());
     QCOMPARE(spy.count(), 0);
 
     {
         auto leftIdx = proxy_left3.index(0, 0);
         auto rightIdx = proxy_right4.index(0, 0);
         QCOMPARE(mapper.mapLeftToRight(leftIdx), rightIdx);
     }
 }
 
 void ModelIndexProxyMapperTest::isConnected()
 {
     KModelIndexProxyMapper mapper1(&proxy_left1, &baseModel);
     QVERIFY(mapper1.isConnected());
     KModelIndexProxyMapper mapper2(&baseModel, &proxy_left1);
     QVERIFY(mapper2.isConnected());
 }
 
 QTEST_MAIN(ModelIndexProxyMapperTest)
 #include "kmodelindexproxymappertest.moc"