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qt6windows7/tests/auto/sql/models/qsqlquerymodel/tst_qsqlquerymodel.cpp
kleuter 5d8194efa7 qt 6.6.0 clean
2023-11-01 22:23:55 +01:00

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QTest>
#include <QtGui>
#include <QtWidgets>
#include <QSignalSpy>
#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 "../../kernel/qsqldatabase/tst_databases.h"
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 nestedResets_data() { generic_data(); }
void nestedResets();
void task_180617();
void task_180617_data() { generic_data(); }
void task_QTBUG_4963_setHeaderDataWithProxyModel();
private:
void generic_data(const QString &engine = QString());
void dropTestTables(const QSqlDatabase &db);
void createTestTables(const QSqlDatabase &db);
void populateTestTables(QSqlDatabase db);
tst_Databases dbs;
};
/* Stupid class that makes protected members public for testing */
class DBTestModel: public QSqlQueryModel
{
public:
using QSqlQueryModel::QSqlQueryModel;
using QSqlQueryModel::indexInQuery;
};
tst_QSqlQueryModel::tst_QSqlQueryModel()
{
}
tst_QSqlQueryModel::~tst_QSqlQueryModel()
{
}
void tst_QSqlQueryModel::initTestCase()
{
QVERIFY(dbs.open());
for (const auto &dbName : std::as_const(dbs.dbNames)) {
QSqlDatabase db = QSqlDatabase::database(dbName);
CHECK_DATABASE(db);
dropTestTables(db); //in case of leftovers
createTestTables(db);
populateTestTables(db);
}
}
void tst_QSqlQueryModel::cleanupTestCase()
{
for (const auto &dbName : std::as_const(dbs.dbNames)) {
QSqlDatabase db = QSqlDatabase::database(dbName);
CHECK_DATABASE(db);
dropTestTables(db);
}
dbs.close();
}
void tst_QSqlQueryModel::dropTestTables(const QSqlDatabase &db)
{
QStringList tableNames;
tableNames << qTableName("test", __FILE__, db)
<< qTableName("test2", __FILE__, db)
<< qTableName("test3", __FILE__, db)
<< qTableName("many", __FILE__, db);
tst_Databases::safeDropTables(db, tableNames);
}
void tst_QSqlQueryModel::createTestTables(const QSqlDatabase &db)
{
dropTestTables(db);
QSqlQuery q(db);
QSqlDriver::DbmsType dbType = tst_Databases::getDatabaseType(db);
if (dbType == QSqlDriver::PostgreSQL)
QVERIFY_SQL( q, exec("set client_min_messages='warning'"));
QVERIFY_SQL( q, exec("create table " + qTableName("test", __FILE__, db) + "(id integer not null, name varchar(20), title integer, primary key (id))"));
QVERIFY_SQL( q, exec("create table " + qTableName("test2", __FILE__, db) + "(id integer not null, title varchar(20), primary key (id))"));
QVERIFY_SQL( q, exec("create table " + qTableName("test3", __FILE__, db) + "(id integer not null, primary key (id))"));
QVERIFY_SQL( q, exec("create table " + qTableName("many", __FILE__, db) + "(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__, db) << qTableName("test3tmp", __FILE__, db));
QVERIFY_SQL(q, exec("create table " + qTableName("manytmp", __FILE__, db) + "(id integer not null, name varchar(20), primary key (id))"));
QVERIFY_SQL(q, exec("create table " + qTableName("test3tmp", __FILE__, db) + "(id integer not null, primary key (id))"));
if (hasTransactions) QVERIFY_SQL(db, transaction());
QVERIFY_SQL(q, exec("insert into " + qTableName("test", __FILE__, db) + " values(1, 'harry', 1)"));
QVERIFY_SQL(q, exec("insert into " + qTableName("test", __FILE__, db) + " values(2, 'trond', 2)"));
QVERIFY_SQL(q, exec("insert into " + qTableName("test2", __FILE__, db) + " values(1, 'herr')"));
QVERIFY_SQL(q, exec("insert into " + qTableName("test2", __FILE__, db) + " values(2, 'mister')"));
QVERIFY_SQL(q, exec(QString("insert into " + qTableName("test3", __FILE__, db) + " values(0)")));
QVERIFY_SQL(q, prepare("insert into "+ qTableName("test3", __FILE__, db) + "(id) select id + ? from " + qTableName("test3tmp", __FILE__, db)));
for (int i=1; i<260; i*=2) {
q2.exec("delete from " + qTableName("test3tmp", __FILE__, db));
QVERIFY_SQL(q2, exec("insert into " + qTableName("test3tmp", __FILE__, db) + "(id) select id from " + qTableName("test3", __FILE__, db)));
q.bindValue(0, i);
QVERIFY_SQL(q, exec());
}
QVERIFY_SQL(q, exec(QString("insert into " + qTableName("many", __FILE__, db) + "(id, name) values (0, \'harry\')")));
QVERIFY_SQL(q, prepare("insert into " + qTableName("many", __FILE__, db) + "(id, name) select id + ?, name from " + qTableName("manytmp", __FILE__, db)));
for (int i=1; i < 2048; i*=2) {
q2.exec("delete from " + qTableName("manytmp", __FILE__, db));
QVERIFY_SQL(q2, exec("insert into " + qTableName("manytmp", __FILE__, db) + "(id, name) select id, name from " + qTableName("many", __FILE__, db)));
q.bindValue(0, i);
QVERIFY_SQL(q, exec());
}
if (hasTransactions) QVERIFY_SQL(db, commit());
tst_Databases::safeDropTables(db, QStringList() << qTableName("manytmp", __FILE__, db) << qTableName("test3tmp", __FILE__, db));
}
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");
else
QSKIP( (QString("No database drivers of type %1 are available in this Qt configuration").arg(engine)).toLocal8Bit());
}
}
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), db));
model.fetchMore();
QSignalSpy spy(&model, SIGNAL(columnsAboutToBeRemoved(QModelIndex,int,int)));
QCOMPARE(model.columnCount(), 3);
QVERIFY(model.removeColumn(0));
QCOMPARE(spy.size(), 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.size(), 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.size(), 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.size(), 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);
const QSqlDriver::DbmsType dbType = tst_Databases::getDatabaseType(db);
DBTestModel model;
model.setQuery(QSqlQuery("select * from " + qTableName("test", __FILE__, db), db));
model.fetchMore(); // necessary???
bool isToUpper = (dbType == QSqlDriver::Interbase) || (dbType == QSqlDriver::Oracle) || (dbType == QSqlDriver::DB2);
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.size(), 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.size(), 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.size(), 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);
const QSqlDriver::DbmsType dbType = tst_Databases::getDatabaseType(db);
QSqlQueryModel model;
model.setQuery(QSqlQuery("select * from " + qTableName("test", __FILE__, db), db));
QSqlRecord rec = model.record();
bool isToUpper = (dbType == QSqlDriver::Interbase) || (dbType == QSqlDriver::Oracle) || (dbType == QSqlDriver::DB2);
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).metaType()));
QCOMPARE(rec.value(1), QVariant(rec.field(1).metaType()));
QCOMPARE(rec.value(2), QVariant(rec.field(2).metaType()));
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);
const QSqlDriver::DbmsType dbType = tst_Databases::getDatabaseType(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), 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.size(), 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 = (dbType == QSqlDriver::Interbase) || (dbType == QSqlDriver::Oracle) || (dbType == QSqlDriver::DB2);
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 modelAboutToBeResetSpy(&model, SIGNAL(modelAboutToBeReset()));
QSignalSpy modelResetSpy(&model, SIGNAL(modelReset()));
model.setQuery(QSqlQuery("select * from " + qTableName("many", __FILE__, db), db));
int rowCount = model.rowCount();
QCOMPARE(modelAboutToBeResetSpy.size(), 1);
QCOMPARE(modelResetSpy.size(), 1);
// If the driver doesn't return the query size fetchMore() causes the
// model to grow and new signals are emitted
QSignalSpy rowsInsertedSpy(&model, SIGNAL(rowsInserted(QModelIndex,int,int)));
if (!db.driver()->hasFeature(QSqlDriver::QuerySize)) {
model.fetchMore();
int newRowCount = model.rowCount();
QCOMPARE(rowsInsertedSpy.value(0).value(1).toInt(), rowCount);
QCOMPARE(rowsInsertedSpy.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.");
QSqlQueryModel model;
model.setQuery(QSqlQuery("SELECT * FROM " + qTableName("test3", __FILE__, db), db));
QSortFilterProxyModel proxy;
proxy.setSourceModel(&model);
QTableView view;
view.setModel(&proxy);
QSignalSpy modelAboutToBeResetSpy(&model, SIGNAL(modelAboutToBeReset()));
QSignalSpy modelResetSpy(&model, SIGNAL(modelReset()));
QSignalSpy modelRowsInsertedSpy(&model, SIGNAL(rowsInserted(QModelIndex,int,int)));
model.setQuery(QSqlQuery("SELECT * FROM " + qTableName("test3", __FILE__, db), db));
view.scrollToBottom();
QTestEventLoop::instance().enterLoop(1);
QCOMPARE(proxy.rowCount(), 511);
// setQuery() resets the model accompanied by begin and end signals
QCOMPARE(modelAboutToBeResetSpy.size(), 1);
QCOMPARE(modelResetSpy.size(), 1);
// The call to scrollToBottom() forces the model to fetch additional rows.
QCOMPARE(modelRowsInsertedSpy.size(), 1);
QCOMPARE(modelRowsInsertedSpy.value(0).value(1).toInt(), 256);
QCOMPARE(modelRowsInsertedSpy.value(0).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 modelAboutToBeResetSpy(&model, SIGNAL(modelAboutToBeReset()));
QSignalSpy modelResetSpy(&model, SIGNAL(modelReset()));
// First select, the model was empty and no rows had to be removed, but model resets anyway.
model.setQuery(QSqlQuery("SELECT * FROM " + qTableName("test", __FILE__, db), db));
QCOMPARE(modelAboutToBeResetSpy.size(), 1);
QCOMPARE(modelResetSpy.size(), 1);
// Second select, the model wasn't empty and two rows had to be removed!
// setQuery() resets the model accompanied by begin and end signals
model.setQuery(QSqlQuery("SELECT * FROM " + qTableName("test", __FILE__, db), db));
QCOMPARE(modelAboutToBeResetSpy.size(), 2);
QCOMPARE(modelResetSpy.size(), 2);
}
// 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(QModelIndex,int,int)));
QSignalSpy modelRowsInsertedSpy(&model, SIGNAL(rowsInserted(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__, db) + " where 0 = 1"));
model.setQuery(std::move(query));
QCOMPARE(modelRowsAboutToBeInsertedSpy.size(), 0);
QCOMPARE(modelRowsInsertedSpy.size(), 0);
}
class NestedResetsTest: public QSqlQueryModel
{
Q_OBJECT
public:
NestedResetsTest(QObject *parent = nullptr) : QSqlQueryModel(parent), gotAboutToBeReset(false), gotReset(false)
{
connect(this, SIGNAL(modelAboutToBeReset()), this, SLOT(modelAboutToBeResetSlot()));
connect(this, SIGNAL(modelReset()), this, SLOT(modelResetSlot()));
}
void testNested()
{
// Only the outermost beginResetModel/endResetModel should
// emit signals.
gotAboutToBeReset = gotReset = false;
beginResetModel();
QCOMPARE(gotAboutToBeReset, true);
QCOMPARE(gotReset, false);
gotAboutToBeReset = gotReset = false;
beginResetModel();
QCOMPARE(gotAboutToBeReset, false);
QCOMPARE(gotReset, false);
gotAboutToBeReset = gotReset = false;
endResetModel();
QCOMPARE(gotAboutToBeReset, false);
QCOMPARE(gotReset, false);
gotAboutToBeReset = gotReset = false;
endResetModel();
QCOMPARE(gotAboutToBeReset, false);
QCOMPARE(gotReset, true);
}
void testClear() // QTBUG-49404: Basic test whether clear() emits signals.
{
gotAboutToBeReset = gotReset = false;
clear();
QVERIFY(gotAboutToBeReset);
QVERIFY(gotReset);
}
private slots:
void modelAboutToBeResetSlot() { gotAboutToBeReset = true; }
void modelResetSlot() { gotReset = true; }
private:
bool gotAboutToBeReset;
bool gotReset;
};
void tst_QSqlQueryModel::nestedResets()
{
QFETCH(QString, dbName);
QSqlDatabase db = QSqlDatabase::database(dbName);
CHECK_DATABASE(db);
NestedResetsTest t;
t.testClear();
t.testNested();
}
// 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__, db));
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"
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