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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QTest>
#include <qsqldatabase.h>
#include <qstandardpaths.h>
#include "../qsqldatabase/tst_databases.h"
using namespace Qt::StringLiterals;
class tst_QVfsSql : public QObject
{
Q_OBJECT
private slots:
void testRoDb();
void testRwDb();
};
void tst_QVfsSql::testRoDb()
{
QVERIFY(QSqlDatabase::drivers().contains("QSQLITE"_L1));
QSqlDatabase::addDatabase("QSQLITE"_L1, "ro_db"_L1);
QSqlDatabase db = QSqlDatabase::database("ro_db"_L1, false);
QVERIFY_SQL(db, isValid());
db.setDatabaseName(":/ro/sample.db"_L1);
db.setConnectOptions("QSQLITE_USE_QT_VFS"_L1);
QVERIFY(!db.open()); // can not open as the QSQLITE_OPEN_READONLY attribute is missing
db.setConnectOptions("QSQLITE_USE_QT_VFS;QSQLITE_OPEN_READONLY"_L1);
QVERIFY_SQL(db, open());
QStringList tables = db.tables();
QSqlQuery q{db};
for (auto table : {"reltest1"_L1, "reltest2"_L1, "reltest3"_L1, "reltest4"_L1, "reltest5"_L1}) {
QVERIFY(tables.contains(table));
QVERIFY_SQL(q, exec("select * from " + table));
QVERIFY(q.next());
}
QVERIFY_SQL(q, exec("select * from reltest1 where id = 4"_L1));
QVERIFY_SQL(q, first());
QVERIFY(q.value(0).toInt() == 4);
QVERIFY(q.value(1).toString() == "boris"_L1);
QVERIFY(q.value(2).toInt() == 2);
QVERIFY(q.value(3).toInt() == 2);
}
void tst_QVfsSql::testRwDb()
{
QSqlDatabase::addDatabase("QSQLITE"_L1, "rw_db"_L1);
QSqlDatabase db = QSqlDatabase::database("rw_db"_L1, false);
QVERIFY_SQL(db, isValid());
const auto dbPath = QStandardPaths::writableLocation(QStandardPaths::TempLocation) + "/test_qt_vfs.db"_L1;
db.setDatabaseName(dbPath);
QFile::remove(dbPath);
db.setConnectOptions("QSQLITE_USE_QT_VFS;QSQLITE_OPEN_READONLY"_L1);
QVERIFY(!db.open()); // can not open as the QSQLITE_OPEN_READONLY attribute is set and the file is missing
db.setConnectOptions("QSQLITE_USE_QT_VFS"_L1);
QVERIFY_SQL(db, open());
QVERIFY(db.tables().isEmpty());
QSqlQuery q{db};
QVERIFY_SQL(q, exec("CREATE TABLE test (id INTEGER PRIMARY KEY AUTOINCREMENT, val INTEGER)"_L1));
QVERIFY_SQL(q, exec("BEGIN"_L1));
for (int i = 0; i < 1000; ++i) {
q.prepare("INSERT INTO test (val) VALUES (:val)"_L1);
q.bindValue(":val"_L1, i);
QVERIFY_SQL(q, exec());
}
QVERIFY_SQL(q, exec("COMMIT"_L1));
QVERIFY_SQL(q, exec("SELECT val FROM test ORDER BY val"_L1));
for (int i = 0; i < 1000; ++i) {
QVERIFY_SQL(q, next());
QCOMPARE(q.value(0).toInt() , i);
}
QVERIFY_SQL(q, exec("DELETE FROM test WHERE val < 500"_L1));
auto fileSize = QFileInfo{dbPath}.size();
QVERIFY_SQL(q, exec("VACUUM"_L1));
QVERIFY(QFileInfo{dbPath}.size() < fileSize); // TEST xTruncate VFS
QVERIFY_SQL(q, exec("SELECT val FROM test ORDER BY val"_L1));
for (int i = 500; i < 1000; ++i) {
QVERIFY_SQL(q, next());
QCOMPARE(q.value(0).toInt() , i);
}
db.close();
QFile::remove(dbPath);
}
QTEST_MAIN(tst_QVfsSql)
#include "tst_qvfssql.moc"
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