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/*
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"
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