qt5base-lts/tests/auto/qsqlquerymodel/tst_qsqlquerymodel.cpp

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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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 1.1, 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:
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**
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** $QT_END_LICENSE$
**
****************************************************************************/
#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();
void task_180617();
void task_180617_data() { generic_data(); }
void task_QTBUG_4963_setHeaderDataWithProxyModel();
private:
void generic_data(const QString &engine=QString());
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", __FILE__)
<< qTableName("test2", __FILE__)
<< qTableName("test3", __FILE__)
<< qTableName("many", __FILE__);
tst_Databases::safeDropTables(db, tableNames);
}
void tst_QSqlQueryModel::createTestTables(QSqlDatabase db)
{
dropTestTables(db);
QSqlQuery q(db);
if(tst_Databases::isPostgreSQL(db))
QVERIFY_SQL( q, exec("set client_min_messages='warning'"));
QVERIFY_SQL( q, exec("create table " + qTableName("test", __FILE__) + "(id integer not null, name varchar(20), title integer, primary key (id))"));
QVERIFY_SQL( q, exec("create table " + qTableName("test2", __FILE__) + "(id integer not null, title varchar(20), primary key (id))"));
QVERIFY_SQL( q, exec("create table " + qTableName("test3", __FILE__) + "(id integer not null, primary key (id))"));
QVERIFY_SQL( q, exec("create table " + qTableName("many", __FILE__) + "(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", __FILE__) << qTableName("test3tmp", __FILE__));
QVERIFY_SQL(q, exec("create table " + qTableName("manytmp", __FILE__) + "(id integer not null, name varchar(20), primary key (id))"));
QVERIFY_SQL(q, exec("create table " + qTableName("test3tmp", __FILE__) + "(id integer not null, primary key (id))"));
if (hasTransactions) QVERIFY_SQL(db, transaction());
QVERIFY_SQL(q, exec("insert into " + qTableName("test", __FILE__) + " values(1, 'harry', 1)"));
QVERIFY_SQL(q, exec("insert into " + qTableName("test", __FILE__) + " values(2, 'trond', 2)"));
QVERIFY_SQL(q, exec("insert into " + qTableName("test2", __FILE__) + " values(1, 'herr')"));
QVERIFY_SQL(q, exec("insert into " + qTableName("test2", __FILE__) + " values(2, 'mister')"));
QVERIFY_SQL(q, exec(QString("insert into " + qTableName("test3", __FILE__) + " values(0)")));
QVERIFY_SQL(q, prepare("insert into "+qTableName("test3", __FILE__)+"(id) select id + ? from "+qTableName("test3tmp", __FILE__)));
for (int i=1; i<260; i*=2) {
q2.exec("delete from "+qTableName("test3tmp", __FILE__));
QVERIFY_SQL(q2, exec("insert into "+qTableName("test3tmp", __FILE__)+"(id) select id from "+qTableName("test3", __FILE__)));
q.bindValue(0, i);
QVERIFY_SQL(q, exec());
}
QVERIFY_SQL(q, exec(QString("insert into " + qTableName("many", __FILE__) + "(id, name) values (0, \'harry\')")));
QVERIFY_SQL(q, prepare("insert into "+qTableName("many", __FILE__)+"(id, name) select id + ?, name from "+qTableName("manytmp", __FILE__)));
for (int i=1; i < 2048; i*=2) {
q2.exec("delete from "+qTableName("manytmp", __FILE__));
QVERIFY_SQL(q2, exec("insert into "+qTableName("manytmp", __FILE__)+"(id, name) select id, name from "+qTableName("many", __FILE__)));
q.bindValue(0, i);
QVERIFY_SQL(q, exec());
}
if (hasTransactions) QVERIFY_SQL(db, commit());
tst_Databases::safeDropTables(db, QStringList() << qTableName("manytmp", __FILE__) << qTableName("test3tmp", __FILE__));
}
void tst_QSqlQueryModel::generic_data(const QString& engine)
{
if ( dbs.fillTestTable(engine) == 0 ) {
if(engine.isEmpty())
QSKIP( "No database drivers are available in this Qt configuration", SkipAll );
else
QSKIP( (QString("No database drivers of type %1 are available in this Qt configuration").arg(engine)).toLocal8Bit(), 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", __FILE__), 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", __FILE__), db));
model.fetchMore(); // necessary???
bool isToUpper = db.driverName().startsWith("QIBASE") || db.driverName().startsWith("QOCI") || db.driverName().startsWith("QDB2");
const QString idColumn(isToUpper ? "ID" : "id");
const QString nameColumn(isToUpper ? "NAME" : "name");
const QString titleColumn(isToUpper ? "TITLE" : "title");
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());
QCOMPARE(model.headerData(0, Qt::Horizontal).toString(), idColumn);
QCOMPARE(model.headerData(1, Qt::Horizontal).toString(), nameColumn);
QCOMPARE(model.headerData(2, Qt::Horizontal).toString(), titleColumn);
QCOMPARE(model.headerData(3, Qt::Horizontal).toString(), QString("4"));
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());
QCOMPARE(model.headerData(0, Qt::Horizontal).toString(), idColumn);
QCOMPARE(model.headerData(1, Qt::Horizontal).toString(), QString("2"));
QCOMPARE(model.headerData(2, Qt::Horizontal).toString(), nameColumn);
QCOMPARE(model.headerData(3, Qt::Horizontal).toString(), titleColumn);
QCOMPARE(model.headerData(4, Qt::Horizontal).toString(), QString("5"));
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);
QCOMPARE(model.record().field(0).name(), QString());
QCOMPARE(model.record().field(1).name(), idColumn);
QCOMPARE(model.record().field(2).name(), QString());
QCOMPARE(model.record().field(3).name(), nameColumn);
QCOMPARE(model.record().field(4).name(), titleColumn);
QCOMPARE(model.record().field(5).name(), QString());
QCOMPARE(model.record().field(6).name(), QString());
QCOMPARE(model.headerData(0, Qt::Horizontal).toString(), QString("1"));
QCOMPARE(model.headerData(1, Qt::Horizontal).toString(), idColumn);
QCOMPARE(model.headerData(2, Qt::Horizontal).toString(), QString("3"));
QCOMPARE(model.headerData(3, Qt::Horizontal).toString(), nameColumn);
QCOMPARE(model.headerData(4, Qt::Horizontal).toString(), titleColumn);
QCOMPARE(model.headerData(5, Qt::Horizontal).toString(), QString("6"));
QCOMPARE(model.headerData(6, Qt::Horizontal).toString(), QString("7"));
}
void tst_QSqlQueryModel::record()
{
QFETCH(QString, dbName);
QSqlDatabase db = QSqlDatabase::database(dbName);
CHECK_DATABASE(db);
QSqlQueryModel model;
model.setQuery(QSqlQuery("select * from " + qTableName("test", __FILE__), 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(rec.field(0).type()));
QCOMPARE(rec.value(1), QVariant(rec.field(1).type()));
QCOMPARE(rec.value(2), QVariant(rec.field(2).type()));
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());
model.setQuery(QSqlQuery("select * from " + qTableName("test", __FILE__), db));
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());
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", __FILE__), 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", __FILE__), 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", __FILE__), 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", __FILE__), 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", __FILE__), 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", __FILE__) + " where 0 = 1"));
model.setQuery(query);
QCOMPARE(modelRowsAboutToBeInsertedSpy.count(), 0);
QCOMPARE(modelRowsInsertedSpy.count(), 0);
}
// For task 180617
// According to the task, several specific duplicate SQL queries would cause
// multiple empty grid lines to be visible in the view
void tst_QSqlQueryModel::task_180617()
{
QFETCH(QString, dbName);
QSqlDatabase db = QSqlDatabase::database(dbName);
CHECK_DATABASE(db);
const QString test3(qTableName("test3", __FILE__));
QTableView view;
QCOMPARE(view.columnAt(0), -1);
QCOMPARE(view.rowAt(0), -1);
QSqlQueryModel model;
model.setQuery( "SELECT TOP 0 * FROM " + test3, db );
view.setModel(&model);
bool error = false;
// Usually a syntax error
if (model.lastError().isValid()) // usually a syntax error
error = true;
QCOMPARE(view.columnAt(0), (error)?-1:0 );
QCOMPARE(view.rowAt(0), -1);
model.setQuery( "SELECT TOP 0 * FROM " + test3, db );
model.setQuery( "SELECT TOP 0 * FROM " + test3, db );
model.setQuery( "SELECT TOP 0 * FROM " + test3, db );
model.setQuery( "SELECT TOP 0 * FROM " + test3, db );
QCOMPARE(view.columnAt(0), (error)?-1:0 );
QCOMPARE(view.rowAt(0), -1);
}
void tst_QSqlQueryModel::task_QTBUG_4963_setHeaderDataWithProxyModel()
{
QSqlQueryModel plainModel;
QSortFilterProxyModel proxyModel;
proxyModel.setSourceModel(&plainModel);
QVERIFY(!plainModel.setHeaderData(0, Qt::Horizontal, QObject::tr("ID")));
// And it should not crash.
}
QTEST_MAIN(tst_QSqlQueryModel)
#include "tst_qsqlquerymodel.moc"