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Diffstat (limited to 'tests/auto/qsqlquerymodel/tst_qsqlquerymodel.cpp')
| -rw-r--r-- | tests/auto/qsqlquerymodel/tst_qsqlquerymodel.cpp | 564 |
1 files changed, 564 insertions, 0 deletions
diff --git a/tests/auto/qsqlquerymodel/tst_qsqlquerymodel.cpp b/tests/auto/qsqlquerymodel/tst_qsqlquerymodel.cpp new file mode 100644 index 0000000..63202f8 --- /dev/null +++ b/tests/auto/qsqlquerymodel/tst_qsqlquerymodel.cpp @@ -0,0 +1,564 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +#include <QtTest/QtTest> +#include <QtGui> + +#include <qsqldriver.h> +#include <qsqldatabase.h> +#include <qsqlerror.h> +#include <qsqlfield.h> +#include <qsqlquery.h> +#include <qsqlrecord.h> + +#include <qsqlquerymodel.h> +#include <qsortfilterproxymodel.h> + +#include "../qsqldatabase/tst_databases.h" + +//TESTED_CLASS= +//TESTED_FILES= + +Q_DECLARE_METATYPE(Qt::Orientation) + +class tst_QSqlQueryModel : public QObject +{ + Q_OBJECT + +public: + tst_QSqlQueryModel(); + virtual ~tst_QSqlQueryModel(); + +public slots: + void initTestCase(); + void cleanupTestCase(); + void init(); + void cleanup(); + +private slots: + void insertColumn_data() { generic_data(); } + void insertColumn(); + void removeColumn_data() { generic_data(); } + void removeColumn(); + void record_data() { generic_data(); } + void record(); + void setHeaderData_data() { generic_data(); } + void setHeaderData(); + void fetchMore_data() { generic_data(); } + void fetchMore(); + + //problem specific tests + void withSortFilterProxyModel_data() { generic_data(); } + void withSortFilterProxyModel(); + void setQuerySignalEmission_data() { generic_data(); } + void setQuerySignalEmission(); + void setQueryWithNoRowsInResultSet_data() { generic_data(); } + void setQueryWithNoRowsInResultSet(); + +private: + void generic_data(); + void dropTestTables(QSqlDatabase db); + void createTestTables(QSqlDatabase db); + void populateTestTables(QSqlDatabase db); + tst_Databases dbs; +}; + +/* Stupid class that makes protected members public for testing */ +class DBTestModel: public QSqlQueryModel +{ +public: + DBTestModel(QObject *parent = 0): QSqlQueryModel(parent) {} + QModelIndex indexInQuery(const QModelIndex &item) const { return QSqlQueryModel::indexInQuery(item); } +}; + +tst_QSqlQueryModel::tst_QSqlQueryModel() +{ +} + +tst_QSqlQueryModel::~tst_QSqlQueryModel() +{ +} + +void tst_QSqlQueryModel::initTestCase() +{ + qRegisterMetaType<QModelIndex>("QModelIndex"); + dbs.open(); + for (QStringList::ConstIterator it = dbs.dbNames.begin(); it != dbs.dbNames.end(); ++it) { + QSqlDatabase db = QSqlDatabase::database((*it)); + CHECK_DATABASE(db); + dropTestTables(db); //in case of leftovers + createTestTables(db); + populateTestTables(db); + } +} + +void tst_QSqlQueryModel::cleanupTestCase() +{ + for (QStringList::ConstIterator it = dbs.dbNames.begin(); it != dbs.dbNames.end(); ++it) { + QSqlDatabase db = QSqlDatabase::database((*it)); + CHECK_DATABASE(db); + dropTestTables(db); + } + dbs.close(); +} + +void tst_QSqlQueryModel::dropTestTables(QSqlDatabase db) +{ + QStringList tableNames; + tableNames << qTableName("test") + << qTableName("test2") + << qTableName("test3") + << qTableName("many"); + tst_Databases::safeDropTables(db, tableNames); +} + +void tst_QSqlQueryModel::createTestTables(QSqlDatabase db) +{ + dropTestTables(db); + QSqlQuery q(db); + QVERIFY_SQL( q, exec("create table " + qTableName("test") + "(id integer not null, name varchar(20), title integer, primary key (id))")); + QVERIFY_SQL( q, exec("create table " + qTableName("test2") + "(id integer not null, title varchar(20), primary key (id))")); + QVERIFY_SQL( q, exec("create table " + qTableName("test3") + "(id integer not null, primary key (id))")); + QVERIFY_SQL( q, exec("create table " + qTableName("many") + "(id integer not null, name varchar(20), primary key (id))")); +} + +void tst_QSqlQueryModel::populateTestTables(QSqlDatabase db) +{ + qWarning() << "Populating test tables, this can take quite a while... ZZZzzz..."; + bool hasTransactions = db.driver()->hasFeature(QSqlDriver::Transactions); + + QSqlQuery q(db), q2(db); + + tst_Databases::safeDropTables(db, QStringList() << qTableName("manytmp") << qTableName("test3tmp")); + QVERIFY_SQL(q, exec("create table " + qTableName("manytmp") + "(id integer not null, name varchar(20), primary key (id))")); + QVERIFY_SQL(q, exec("create table " + qTableName("test3tmp") + "(id integer not null, primary key (id))")); + + if (hasTransactions) QVERIFY_SQL(db, transaction()); + + QVERIFY_SQL(q, exec("insert into " + qTableName("test") + " values(1, 'harry', 1)")); + QVERIFY_SQL(q, exec("insert into " + qTableName("test") + " values(2, 'trond', 2)")); + QVERIFY_SQL(q, exec("insert into " + qTableName("test2") + " values(1, 'herr')")); + QVERIFY_SQL(q, exec("insert into " + qTableName("test2") + " values(2, 'mister')")); + + QVERIFY_SQL(q, exec(QString("insert into " + qTableName("test3") + " values(0)"))); + QVERIFY_SQL(q, prepare("insert into "+qTableName("test3")+"(id) select id + ? from "+qTableName("test3tmp"))); + for (int i=1; i<260; i*=2) { + q2.exec("delete from "+qTableName("test3tmp")); + QVERIFY_SQL(q2, exec("insert into "+qTableName("test3tmp")+"(id) select id from "+qTableName("test3"))); + q.bindValue(0, i); + QVERIFY_SQL(q, exec()); + } + + QVERIFY_SQL(q, exec(QString("insert into " + qTableName("many") + "(id, name) values (0, \'harry\')"))); + QVERIFY_SQL(q, prepare("insert into "+qTableName("many")+"(id, name) select id + ?, name from "+qTableName("manytmp"))); + for (int i=1; i < 2048; i*=2) { + q2.exec("delete from "+qTableName("manytmp")); + QVERIFY_SQL(q2, exec("insert into "+qTableName("manytmp")+"(id, name) select id, name from "+qTableName("many"))); + q.bindValue(0, i); + QVERIFY_SQL(q, exec()); + } + + if (hasTransactions) QVERIFY_SQL(db, commit()); + + tst_Databases::safeDropTables(db, QStringList() << qTableName("manytmp") << qTableName("test3tmp")); +} + +void tst_QSqlQueryModel::generic_data() +{ + if (dbs.fillTestTable() == 0) + QSKIP("No database drivers are available in this Qt configuration", SkipAll); +} + +void tst_QSqlQueryModel::init() +{ +} + +void tst_QSqlQueryModel::cleanup() +{ +} + +void tst_QSqlQueryModel::removeColumn() +{ + QFETCH(QString, dbName); + QSqlDatabase db = QSqlDatabase::database(dbName); + CHECK_DATABASE(db); + + DBTestModel model; + model.setQuery(QSqlQuery("select * from " + qTableName("test"), db)); + model.fetchMore(); + QSignalSpy spy(&model, SIGNAL(columnsAboutToBeRemoved(QModelIndex, int, int))); + + QCOMPARE(model.columnCount(), 3); + QVERIFY(model.removeColumn(0)); + QCOMPARE(spy.count(), 1); + QVERIFY(*(QModelIndex *)spy.at(0).at(0).constData() == QModelIndex()); + QCOMPARE(spy.at(0).at(1).toInt(), 0); + QCOMPARE(spy.at(0).at(2).toInt(), 0); + + QCOMPARE(model.columnCount(), 2); + QCOMPARE(model.indexInQuery(model.index(0, 0)).column(), 1); + QCOMPARE(model.indexInQuery(model.index(0, 1)).column(), 2); + QCOMPARE(model.indexInQuery(model.index(0, 2)).column(), -1); + QCOMPARE(model.indexInQuery(model.index(0, 3)).column(), -1); + + QVERIFY(model.insertColumn(1)); + QCOMPARE(model.columnCount(), 3); + QCOMPARE(model.indexInQuery(model.index(0, 0)).column(), 1); + QCOMPARE(model.indexInQuery(model.index(0, 1)).column(), -1); + QCOMPARE(model.indexInQuery(model.index(0, 2)).column(), 2); + QCOMPARE(model.indexInQuery(model.index(0, 3)).column(), -1); + + QCOMPARE(model.data(model.index(0, 0)).toString(), QString("harry")); + QCOMPARE(model.data(model.index(0, 1)), QVariant()); + QCOMPARE(model.data(model.index(0, 2)).toInt(), 1); + QCOMPARE(model.data(model.index(0, 3)), QVariant()); + + QVERIFY(!model.removeColumn(42)); + QVERIFY(!model.removeColumn(3)); + QVERIFY(!model.removeColumn(1, model.index(1, 2))); + QCOMPARE(model.columnCount(), 3); + + QVERIFY(model.removeColumn(2)); + + QCOMPARE(spy.count(), 2); + QVERIFY(*(QModelIndex *)spy.at(1).at(0).constData() == QModelIndex()); + QCOMPARE(spy.at(1).at(1).toInt(), 2); + QCOMPARE(spy.at(1).at(2).toInt(), 2); + + QCOMPARE(model.columnCount(), 2); + QCOMPARE(model.indexInQuery(model.index(0, 0)).column(), 1); + QCOMPARE(model.indexInQuery(model.index(0, 1)).column(), -1); + QCOMPARE(model.indexInQuery(model.index(0, 2)).column(), -1); + QCOMPARE(model.indexInQuery(model.index(0, 3)).column(), -1); + + QVERIFY(model.removeColumn(1)); + + QCOMPARE(spy.count(), 3); + QVERIFY(*(QModelIndex *)spy.at(2).at(0).constData() == QModelIndex()); + QCOMPARE(spy.at(2).at(1).toInt(), 1); + QCOMPARE(spy.at(2).at(2).toInt(), 1); + + QCOMPARE(model.columnCount(), 1); + QCOMPARE(model.indexInQuery(model.index(0, 0)).column(), 1); + QCOMPARE(model.indexInQuery(model.index(0, 1)).column(), -1); + QCOMPARE(model.indexInQuery(model.index(0, 2)).column(), -1); + QCOMPARE(model.indexInQuery(model.index(0, 3)).column(), -1); + QCOMPARE(model.data(model.index(0, 0)).toString(), QString("harry")); + + QVERIFY(model.removeColumn(0)); + + QCOMPARE(spy.count(), 4); + QVERIFY(*(QModelIndex *)spy.at(3).at(0).constData() == QModelIndex()); + QCOMPARE(spy.at(3).at(1).toInt(), 0); + QCOMPARE(spy.at(3).at(2).toInt(), 0); + + QCOMPARE(model.columnCount(), 0); + QCOMPARE(model.indexInQuery(model.index(0, 0)).column(), -1); + QCOMPARE(model.indexInQuery(model.index(0, 1)).column(), -1); + QCOMPARE(model.indexInQuery(model.index(0, 2)).column(), -1); + QCOMPARE(model.indexInQuery(model.index(0, 3)).column(), -1); +} + +void tst_QSqlQueryModel::insertColumn() +{ + QFETCH(QString, dbName); + QSqlDatabase db = QSqlDatabase::database(dbName); + CHECK_DATABASE(db); + + DBTestModel model; + model.setQuery(QSqlQuery("select * from " + qTableName("test"), db)); + model.fetchMore(); // necessary??? + + QSignalSpy spy(&model, SIGNAL(columnsInserted(QModelIndex, int, int))); + + QCOMPARE(model.data(model.index(0, 0)).toInt(), 1); + QCOMPARE(model.data(model.index(0, 1)).toString(), QString("harry")); + QCOMPARE(model.data(model.index(0, 2)).toInt(), 1); + QCOMPARE(model.data(model.index(0, 3)), QVariant()); + + QVERIFY(model.insertColumn(1)); + + QCOMPARE(spy.count(), 1); + QVERIFY(*(QModelIndex *)spy.at(0).at(0).constData() == QModelIndex()); + QCOMPARE(spy.at(0).at(1).toInt(), 1); + QCOMPARE(spy.at(0).at(2).toInt(), 1); + + QCOMPARE(model.indexInQuery(model.index(0, 0)).column(), 0); + QCOMPARE(model.indexInQuery(model.index(0, 1)).column(), -1); + QCOMPARE(model.indexInQuery(model.index(0, 2)).column(), 1); + QCOMPARE(model.indexInQuery(model.index(0, 3)).column(), 2); + QCOMPARE(model.indexInQuery(model.index(0, 4)).column(), -1); + + QCOMPARE(model.data(model.index(0, 0)).toInt(), 1); + QCOMPARE(model.data(model.index(0, 1)), QVariant()); + QCOMPARE(model.data(model.index(0, 2)).toString(), QString("harry")); + QCOMPARE(model.data(model.index(0, 3)).toInt(), 1); + QCOMPARE(model.data(model.index(0, 4)), QVariant()); + + QVERIFY(!model.insertColumn(-1)); + QVERIFY(!model.insertColumn(100)); + QVERIFY(!model.insertColumn(1, model.index(1, 1))); + + QVERIFY(model.insertColumn(0)); + + QCOMPARE(spy.count(), 2); + QVERIFY(*(QModelIndex *)spy.at(1).at(0).constData() == QModelIndex()); + QCOMPARE(spy.at(1).at(1).toInt(), 0); + QCOMPARE(spy.at(1).at(2).toInt(), 0); + + QCOMPARE(model.indexInQuery(model.index(0, 0)).column(), -1); + QCOMPARE(model.indexInQuery(model.index(0, 1)).column(), 0); + QCOMPARE(model.indexInQuery(model.index(0, 2)).column(), -1); + QCOMPARE(model.indexInQuery(model.index(0, 3)).column(), 1); + QCOMPARE(model.indexInQuery(model.index(0, 4)).column(), 2); + QCOMPARE(model.indexInQuery(model.index(0, 5)).column(), -1); + + QVERIFY(!model.insertColumn(6)); + QVERIFY(model.insertColumn(5)); + + QCOMPARE(spy.count(), 3); + QVERIFY(*(QModelIndex *)spy.at(2).at(0).constData() == QModelIndex()); + QCOMPARE(spy.at(2).at(1).toInt(), 5); + QCOMPARE(spy.at(2).at(2).toInt(), 5); + + QCOMPARE(model.indexInQuery(model.index(0, 0)).column(), -1); + QCOMPARE(model.indexInQuery(model.index(0, 1)).column(), 0); + QCOMPARE(model.indexInQuery(model.index(0, 2)).column(), -1); + QCOMPARE(model.indexInQuery(model.index(0, 3)).column(), 1); + QCOMPARE(model.indexInQuery(model.index(0, 4)).column(), 2); + QCOMPARE(model.indexInQuery(model.index(0, 5)).column(), -1); + QCOMPARE(model.indexInQuery(model.index(0, 6)).column(), -1); + + bool isToUpper = db.driverName().startsWith("QIBASE") || db.driverName().startsWith("QOCI") || db.driverName().startsWith("QDB2"); + QCOMPARE(model.record().field(0).name(), QString()); + QCOMPARE(model.record().field(1).name(), isToUpper ? QString("ID") : QString("id")); + QCOMPARE(model.record().field(2).name(), QString()); + QCOMPARE(model.record().field(3).name(), isToUpper ? QString("NAME") : QString("name")); + QCOMPARE(model.record().field(4).name(), isToUpper ? QString("TITLE") : QString("title")); + QCOMPARE(model.record().field(5).name(), QString()); + QCOMPARE(model.record().field(6).name(), QString()); +} + +void tst_QSqlQueryModel::record() +{ + QFETCH(QString, dbName); + QSqlDatabase db = QSqlDatabase::database(dbName); + CHECK_DATABASE(db); + + QSqlQueryModel model; + model.setQuery(QSqlQuery("select * from " + qTableName("test"), db)); + + QSqlRecord rec = model.record(); + + bool isToUpper = db.driverName().startsWith("QIBASE") || db.driverName().startsWith("QOCI") || db.driverName().startsWith("QDB2"); + + QCOMPARE(rec.count(), 3); + QCOMPARE(rec.fieldName(0), isToUpper ? QString("ID") : QString("id")); + QCOMPARE(rec.fieldName(1), isToUpper ? QString("NAME") : QString("name")); + QCOMPARE(rec.fieldName(2), isToUpper ? QString("TITLE") : QString("title")); + QCOMPARE(rec.value(0), QVariant()); + QCOMPARE(rec.value(1), QVariant()); + QCOMPARE(rec.value(2), QVariant()); + + rec = model.record(0); + QCOMPARE(rec.fieldName(0), isToUpper ? QString("ID") : QString("id")); + QCOMPARE(rec.fieldName(1), isToUpper ? QString("NAME") : QString("name")); + QCOMPARE(rec.fieldName(2), isToUpper ? QString("TITLE") : QString("title")); + QCOMPARE(rec.value(0).toString(), QString("1")); + QCOMPARE(rec.value(1), QVariant("harry")); + QCOMPARE(rec.value(2), QVariant(1)); +} + +void tst_QSqlQueryModel::setHeaderData() +{ + QFETCH(QString, dbName); + QSqlDatabase db = QSqlDatabase::database(dbName); + CHECK_DATABASE(db); + + QSqlQueryModel model; + + QVERIFY(!model.setHeaderData(5, Qt::Vertical, "foo")); + QVERIFY(model.headerData(5, Qt::Vertical).isValid()); + + qRegisterMetaType<Qt::Orientation>("Qt::Orientation"); + QSignalSpy spy(&model, SIGNAL(headerDataChanged(Qt::Orientation, int, int))); + QVERIFY(model.setHeaderData(2, Qt::Horizontal, "bar")); + QCOMPARE(model.headerData(2, Qt::Horizontal).toString(), QString("bar")); + QCOMPARE(spy.count(), 1); + QCOMPARE(qvariant_cast<Qt::Orientation>(spy.value(0).value(0)), Qt::Horizontal); + QCOMPARE(spy.value(0).value(1).toInt(), 2); + QCOMPARE(spy.value(0).value(2).toInt(), 2); + + QVERIFY(model.setHeaderData(7, Qt::Horizontal, "foo", Qt::ToolTipRole)); + QVERIFY(model.headerData(7, Qt::Horizontal, Qt::ToolTipRole).isValid()); + + model.setQuery(QSqlQuery("select * from " + qTableName("test"), db)); + + bool isToUpper = db.driverName().startsWith("QIBASE") || db.driverName().startsWith("QOCI") || db.driverName().startsWith("QDB2"); + QCOMPARE(model.headerData(0, Qt::Horizontal).toString(), isToUpper ? QString("ID") : QString("id")); + QCOMPARE(model.headerData(1, Qt::Horizontal).toString(), isToUpper ? QString("NAME") : QString("name")); + QCOMPARE(model.headerData(2, Qt::Horizontal).toString(), QString("bar")); + QVERIFY(model.headerData(3, Qt::Horizontal).isValid()); +} + +void tst_QSqlQueryModel::fetchMore() +{ + QFETCH(QString, dbName); + QSqlDatabase db = QSqlDatabase::database(dbName); + CHECK_DATABASE(db); + + QSqlQueryModel model; + QSignalSpy spy(&model, SIGNAL(rowsInserted(QModelIndex, int, int))); + + model.setQuery(QSqlQuery("select * from " + qTableName("many"), db)); + int rowCount = model.rowCount(); + + QCOMPARE(spy.value(0).value(1).toInt(), 0); + QCOMPARE(spy.value(0).value(2).toInt(), rowCount - 1); + + // If the driver doesn't return the query size fetchMore() causes the + // model to grow and new signals are emitted + if (!db.driver()->hasFeature(QSqlDriver::QuerySize)) { + spy.clear(); + model.fetchMore(); + int newRowCount = model.rowCount(); + QCOMPARE(spy.value(0).value(1).toInt(), rowCount); + QCOMPARE(spy.value(0).value(2).toInt(), newRowCount - 1); + } +} + +// For task 149491: When used with QSortFilterProxyModel, a view and a +// database that doesn't support the QuerySize feature, blank rows was +// appended if the query returned more than 256 rows and setQuery() +// was called more than once. This because an insertion of rows was +// triggered at the same time as the model was being cleared. +void tst_QSqlQueryModel::withSortFilterProxyModel() +{ + QFETCH(QString, dbName); + QSqlDatabase db = QSqlDatabase::database(dbName); + CHECK_DATABASE(db); + + if (db.driver()->hasFeature(QSqlDriver::QuerySize)) + QSKIP("Test applies only for drivers not reporting the query size.", SkipSingle); + + QSqlQueryModel model; + model.setQuery(QSqlQuery("SELECT * FROM " + qTableName("test3"), db)); + QSortFilterProxyModel proxy; + proxy.setSourceModel(&model); + + QTableView view; + view.setModel(&proxy); + + QSignalSpy modelRowsRemovedSpy(&model, SIGNAL(rowsRemoved(const QModelIndex &, int, int))); + QSignalSpy modelRowsInsertedSpy(&model, SIGNAL(rowsInserted(const QModelIndex &, int, int))); + model.setQuery(QSqlQuery("SELECT * FROM " + qTableName("test3"), db)); + view.scrollToBottom(); + + QTestEventLoop::instance().enterLoop(1); + + QCOMPARE(proxy.rowCount(), 511); + + // The second call to setQuery() clears the model by removing it's rows. + // Only 256 rows because that is what was cached. + QCOMPARE(modelRowsRemovedSpy.count(), 1); + QCOMPARE(modelRowsRemovedSpy.value(0).value(1).toInt(), 0); + QCOMPARE(modelRowsRemovedSpy.value(0).value(2).toInt(), 255); + + // The call to scrollToBottom() forces the model to fetch all rows, + // which will be done in two steps. + QCOMPARE(modelRowsInsertedSpy.count(), 2); + QCOMPARE(modelRowsInsertedSpy.value(0).value(1).toInt(), 0); + QCOMPARE(modelRowsInsertedSpy.value(0).value(2).toInt(), 255); + QCOMPARE(modelRowsInsertedSpy.value(1).value(1).toInt(), 256); + QCOMPARE(modelRowsInsertedSpy.value(1).value(2).toInt(), 510); +} + +// For task 155402: When the model is already empty when setQuery() is called +// no rows have to be removed and rowsAboutToBeRemoved and rowsRemoved should +// not be emitted. +void tst_QSqlQueryModel::setQuerySignalEmission() +{ + QFETCH(QString, dbName); + QSqlDatabase db = QSqlDatabase::database(dbName); + CHECK_DATABASE(db); + + QSqlQueryModel model; + QSignalSpy modelRowsAboutToBeRemovedSpy(&model, SIGNAL(rowsAboutToBeRemoved(const QModelIndex &, int, int))); + QSignalSpy modelRowsRemovedSpy(&model, SIGNAL(rowsRemoved(const QModelIndex &, int, int))); + + // First select, the model was empty and no rows had to be removed! + model.setQuery(QSqlQuery("SELECT * FROM " + qTableName("test"), db)); + QCOMPARE(modelRowsAboutToBeRemovedSpy.count(), 0); + QCOMPARE(modelRowsRemovedSpy.count(), 0); + + // Second select, the model wasn't empty and two rows had to be removed! + model.setQuery(QSqlQuery("SELECT * FROM " + qTableName("test"), db)); + QCOMPARE(modelRowsAboutToBeRemovedSpy.count(), 1); + QCOMPARE(modelRowsAboutToBeRemovedSpy.value(0).value(1).toInt(), 0); + QCOMPARE(modelRowsAboutToBeRemovedSpy.value(0).value(2).toInt(), 1); + QCOMPARE(modelRowsRemovedSpy.count(), 1); + QCOMPARE(modelRowsRemovedSpy.value(0).value(1).toInt(), 0); + QCOMPARE(modelRowsRemovedSpy.value(0).value(2).toInt(), 1); +} + +// For task 170783: When the query's result set is empty no rows should be inserted, +// i.e. no rowsAboutToBeInserted or rowsInserted signals should be emitted. +void tst_QSqlQueryModel::setQueryWithNoRowsInResultSet() +{ + QFETCH(QString, dbName); + QSqlDatabase db = QSqlDatabase::database(dbName); + CHECK_DATABASE(db); + + QSqlQueryModel model; + QSignalSpy modelRowsAboutToBeInsertedSpy(&model, SIGNAL(rowsAboutToBeInserted(const QModelIndex &, int, int))); + QSignalSpy modelRowsInsertedSpy(&model, SIGNAL(rowsInserted(const QModelIndex &, int, int))); + + // The query's result set will be empty so no signals should be emitted! + QSqlQuery query(db); + QVERIFY_SQL(query, exec("SELECT * FROM " + qTableName("test") + " where 0 = 1")); + model.setQuery(query); + QCOMPARE(modelRowsAboutToBeInsertedSpy.count(), 0); + QCOMPARE(modelRowsInsertedSpy.count(), 0); +} + +QTEST_MAIN(tst_QSqlQueryModel) +#include "tst_qsqlquerymodel.moc" |