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239 lines
9.3 KiB
239 lines
9.3 KiB
/* |
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Copyright (c) 2015 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com |
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Authors: David Faure <david.faure@kdab.com> |
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This library is free software; you can redistribute it and/or modify it |
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under the terms of the GNU Library General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or (at your |
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option) any later version. |
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This library is distributed in the hope that it will be useful, but WITHOUT |
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public |
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License for more details. |
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You should have received a copy of the GNU Library General Public License |
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along with this library; see the file COPYING.LIB. If not, write to the |
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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02110-1301, USA. |
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*/ |
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#include <QSignalSpy> |
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#include <QSortFilterProxyModel> |
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#include <QTest> |
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#include <QDebug> |
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#include <QStandardItemModel> |
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#include <QTreeView> |
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#include <krearrangecolumnsproxymodel.h> |
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#include "test_model_helpers.h" |
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using namespace TestModelHelpers; |
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Q_DECLARE_METATYPE(QModelIndex) |
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class tst_KRearrangeColumnsProxyModel : public QObject |
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{ |
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Q_OBJECT |
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private Q_SLOTS: |
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void initTestCase() |
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{ |
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qRegisterMetaType<QModelIndex>(); |
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} |
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void init() |
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{ |
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// Prepare the source model to use later on |
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mod.clear(); |
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mod.appendRow(makeStandardItems(QStringList() << QStringLiteral("A") << QStringLiteral("B") << QStringLiteral("C") << QStringLiteral("D") << QStringLiteral("E"))); |
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mod.item(0, 0)->appendRow(makeStandardItems(QStringList() << QStringLiteral("m") << QStringLiteral("n") << QStringLiteral("o") << QStringLiteral("p") << QStringLiteral("-"))); |
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mod.item(0, 0)->appendRow(makeStandardItems(QStringList() << QStringLiteral("q") << QStringLiteral("r") << QStringLiteral("s") << QStringLiteral("t") << QStringLiteral("-"))); |
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mod.appendRow(makeStandardItems(QStringList() << QStringLiteral("E") << QStringLiteral("F") << QStringLiteral("G") << QStringLiteral("H") << QStringLiteral("I"))); |
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mod.item(1, 0)->appendRow(makeStandardItems(QStringList() << QStringLiteral("x") << QStringLiteral("y") << QStringLiteral("z") << QStringLiteral(".") << QStringLiteral("-"))); |
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mod.setHorizontalHeaderLabels(QStringList() << QStringLiteral("H1") << QStringLiteral("H2") << QStringLiteral("H3") << QStringLiteral("H4") << QStringLiteral("H5")); |
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QCOMPARE(extractRowTexts(&mod, 0), QStringLiteral("ABCDE")); |
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QCOMPARE(extractRowTexts(&mod, 0, mod.index(0, 0)), QStringLiteral("mnop-")); |
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QCOMPARE(extractRowTexts(&mod, 1, mod.index(0, 0)), QStringLiteral("qrst-")); |
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QCOMPARE(extractRowTexts(&mod, 1), QStringLiteral("EFGHI")); |
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QCOMPARE(extractRowTexts(&mod, 0, mod.index(1, 0)), QStringLiteral("xyz.-")); |
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QCOMPARE(extractHorizontalHeaderTexts(&mod), QStringLiteral("H1H2H3H4H5")); |
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// test code to see the model |
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// showModel(&mod); |
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} |
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void shouldShowNothingIfNoSourceModel() |
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{ |
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// Given a rearrange-columns proxy with no source model |
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KRearrangeColumnsProxyModel pm; |
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// Then the proxy should show nothing (no columns selected) |
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QCOMPARE(pm.rowCount(), 0); |
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QCOMPARE(pm.columnCount(), 0); |
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} |
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void shouldShowNothingIfNoColumnSelection() |
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{ |
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// Given a rearrange-columns proxy |
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KRearrangeColumnsProxyModel pm; |
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// When setting it to a source model |
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pm.setSourceModel(&mod); |
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// Then the proxy should show nothing (no columns selected) |
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QCOMPARE(pm.rowCount(), mod.rowCount()); |
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QCOMPARE(pm.columnCount(), 0); |
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} |
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void shouldShowNothingIfNoRows() |
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{ |
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// Given a rearrange-columns proxy |
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KRearrangeColumnsProxyModel pm; |
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pm.setSourceColumns(QVector<int>() << 2 << 3 << 1 << 0); |
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// When using that proxy on top of an empty source model |
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QStandardItemModel sourceModel; |
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sourceModel.setColumnCount(4); |
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pm.setSourceModel(&sourceModel); |
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// Then the proxy should show nothing |
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QCOMPARE(pm.rowCount(), 0); |
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QCOMPARE(pm.columnCount(), 4); |
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QCOMPARE(pm.index(0, 0), pm.index(0, 0)); // like QAbstractItemView::setModel does in a Q_ASSERT_X |
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} |
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void shouldRearrangeColumns() |
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{ |
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// Given a rearrange-columns proxy |
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KRearrangeColumnsProxyModel pm; |
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// When setting it to a source model, with columns rearranged |
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setup(pm); |
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// Then the proxy should show columns reordered |
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QCOMPARE(pm.rowCount(), 2); |
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// (verify that the mapFromSource(mapToSource(x)) == x roundtrip works) |
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for (int row = 0; row < pm.rowCount(); ++row) { |
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for (int col = 0; col < pm.columnCount(); ++col) { |
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//qDebug() << "row" << row << "col" << col; |
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QCOMPARE(pm.mapFromSource(pm.mapToSource(pm.index(row, col))), pm.index(row, col)); |
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} |
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} |
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QCOMPARE(indexRowCol(pm.index(0, 0)), QStringLiteral("0,0")); |
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QCOMPARE(pm.rowCount(pm.index(0, 0)), 2); |
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QCOMPARE(pm.index(0, 0).parent(), QModelIndex()); |
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QCOMPARE(pm.mapToSource(pm.index(0, 0)).column(), 2); // column 0 points to C |
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QCOMPARE(pm.mapToSource(pm.index(0, 1)).column(), 3); // column 1 points to D |
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QCOMPARE(pm.sibling(0, 1, pm.index(0, 0)).column(), 1); |
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QCOMPARE(pm.sibling(0, 0, pm.index(0, 1)).column(), 0); |
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QCOMPARE(extractRowTexts(&pm, 0), QStringLiteral("CDBA")); |
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QCOMPARE(extractRowTexts(&pm, 0, pm.index(0, 0)), QStringLiteral("opnm")); |
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QCOMPARE(extractRowTexts(&pm, 1, pm.index(0, 0)), QStringLiteral("strq")); |
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QCOMPARE(extractRowTexts(&pm, 1), QStringLiteral("GHFE")); |
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QCOMPARE(extractRowTexts(&pm, 0, pm.index(1, 0)), QStringLiteral("z.yx")); |
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QCOMPARE(extractHorizontalHeaderTexts(&pm), QStringLiteral("H3H4H2H1")); |
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// Verify tree structure of proxy |
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const QModelIndex secondParent = pm.index(1, 0); |
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QVERIFY(!secondParent.parent().isValid()); |
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QCOMPARE(indexToText(pm.index(0, 0, secondParent).parent()), indexToText(secondParent)); |
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QCOMPARE(indexToText(pm.index(0, 3, secondParent).parent()), indexToText(secondParent)); |
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QVERIFY(!pm.canFetchMore(QModelIndex())); |
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} |
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void shouldHandleDataChanged() |
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{ |
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// Given a rearrange-columns proxy |
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KRearrangeColumnsProxyModel pm; |
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setup(pm); |
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QSignalSpy dataChangedSpy(&pm, SIGNAL(dataChanged(QModelIndex,QModelIndex))); |
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// When a cell in a source model changes |
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mod.item(0, 2)->setData("c", Qt::EditRole); |
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mod.item(0, 3)->setData("d", Qt::EditRole); |
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// Then the change should be notified to the proxy |
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QCOMPARE(dataChangedSpy.count(), 2); |
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QCOMPARE(indexToText(dataChangedSpy.at(0).at(0).toModelIndex()), indexToText(pm.index(0, 0))); |
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QCOMPARE(indexToText(dataChangedSpy.at(1).at(0).toModelIndex()), indexToText(pm.index(0, 1))); |
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QCOMPARE(extractRowTexts(&pm, 0), QStringLiteral("cdBA")); |
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} |
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void shouldHandleDataChangedInChild() |
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{ |
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// Given a rearrange-columns proxy |
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KRearrangeColumnsProxyModel pm; |
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setup(pm); |
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QSignalSpy dataChangedSpy(&pm, SIGNAL(dataChanged(QModelIndex,QModelIndex))); |
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// When a cell in a source model changes |
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mod.item(1, 0)->child(0, 3)->setData(",", Qt::EditRole); |
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// Then the change should be notified to the proxy |
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QCOMPARE(dataChangedSpy.count(), 1); |
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QCOMPARE(indexToText(dataChangedSpy.at(0).at(0).toModelIndex()), indexToText(pm.index(1, 0).child(0, 1))); |
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QCOMPARE(extractRowTexts(&pm, 0, pm.index(1, 0)), QStringLiteral("z,yx")); |
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} |
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void shouldSupportSetData() |
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{ |
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// Given a rearrange-columns proxy |
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KRearrangeColumnsProxyModel pm; |
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setup(pm); |
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QSignalSpy dataChangedSpy(&pm, SIGNAL(dataChanged(QModelIndex,QModelIndex))); |
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// When changing data via the proxy |
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const QModelIndex idx = pm.index(0, 2); |
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QCOMPARE(idx.data().toString(), QStringLiteral("B")); |
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pm.setData(idx, QStringLiteral("Z")); |
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QCOMPARE(idx.data().toString(), QStringLiteral("Z")); |
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QCOMPARE(extractRowTexts(&pm, 0), QStringLiteral("CDZA")); |
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QCOMPARE(extractRowTexts(&mod, 0), QStringLiteral("AZCDE")); |
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} |
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private: |
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// setup proxy |
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void setup(KRearrangeColumnsProxyModel &pm) |
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{ |
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pm.setSourceColumns(QVector<int>() << 2 << 3 << 1 << 0); |
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pm.setSourceModel(&mod); |
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pm.sort(0); // don't forget this! |
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} |
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static QString indexRowCol(const QModelIndex &index) |
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{ |
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if (!index.isValid()) { |
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return QStringLiteral("invalid"); |
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} |
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return QString::number(index.row()) + "," + QString::number(index.column()); |
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} |
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static QString indexToText(const QModelIndex &index) |
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{ |
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if (!index.isValid()) { |
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return QStringLiteral("invalid"); |
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} |
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return QString::number(index.row()) + "," + QString::number(index.column()) + "," |
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+ QString::number(reinterpret_cast<qulonglong>(index.internalPointer()), 16) |
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+ " in " + QString::number(reinterpret_cast<qulonglong>(index.model()), 16); |
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} |
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QStandardItemModel mod; |
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}; |
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QTEST_MAIN(tst_KRearrangeColumnsProxyModel) |
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#include "krearrangecolumnsproxymodeltest.moc"
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