mirror of
https://github.com/crystalidea/qt6windows7.git
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488 lines
14 KiB
C++
488 lines
14 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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#include <QTest>
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#include "../qsqldatabase/tst_databases.h"
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#include <QtCore>
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#include <QtSql>
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#include "qdebug.h"
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QString qtest;
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// set this define if Oracle is built with threading support
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//#define QOCI_THREADED
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class tst_QSqlThread : public QObject
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{
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Q_OBJECT
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public:
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tst_QSqlThread();
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virtual ~tst_QSqlThread();
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void dropTestTables();
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void createTestTables();
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void recreateTestTables();
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void repopulateTestTables();
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void generic_data(const QString &engine=QString());
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tst_Databases dbs;
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public slots:
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void initTestCase();
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void cleanupTestCase();
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void init();
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void cleanup();
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protected slots:
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void threadFinished() {
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++threadFinishedCount;
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qDebug("Thread finished, total finished: %d", threadFinishedCount);
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}
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private slots:
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void simpleThreading_data() { generic_data(); }
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void simpleThreading();
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void readWriteThreading_data() { generic_data(); }
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void readWriteThreading();
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void readFromSingleConnection_data() { generic_data(); }
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void readFromSingleConnection();
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void readWriteFromSingleConnection_data() { generic_data(); }
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void readWriteFromSingleConnection();
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void preparedReadWriteFromSingleConnection_data() { generic_data(); }
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void preparedReadWriteFromSingleConnection();
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void transactionsFromSingleConnection_data() { generic_data(); }
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void transactionsFromSingleConnection();
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private:
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int threadFinishedCount;
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};
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static QAtomicInt counter;
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class QtTestSqlThread : public QThread
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{
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Q_OBJECT
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public:
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QtTestSqlThread(const QSqlDatabase &aDb, QObject *parent = nullptr)
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: QThread(parent), sourceDb(aDb) {}
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void runHelper(const QString &dbName)
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{
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QSqlDatabase db = QSqlDatabase::cloneDatabase(sourceDb, dbName);
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QVERIFY_SQL(db, open());
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int sum = 0;
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QSqlQuery q("select id from " + qtest, db);
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QVERIFY_SQL(q, isActive());
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while (q.next())
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sum += q.value(0).toInt();
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QCOMPARE(sum, 6);
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q.clear();
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}
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void run() override
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{
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QString dbName = QString("QThreadDb%1").arg((size_t)currentThreadId());
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runHelper(dbName);
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QSqlDatabase::database(dbName).close();
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QSqlDatabase::removeDatabase(dbName);
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}
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private:
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QSqlDatabase sourceDb;
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};
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enum { ProdConIterations = 10 };
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class SqlProducer: public QThread
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{
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Q_OBJECT
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public:
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SqlProducer(const QSqlDatabase &aDb, QObject *parent = nullptr)
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: QThread(parent), sourceDb(aDb) {}
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void runHelper(const QString &dbName)
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{
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QSqlDatabase db = QSqlDatabase::cloneDatabase(sourceDb, dbName);
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QVERIFY_SQL(db, open());
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QSqlQuery q(db);
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QVERIFY_SQL(q, prepare("insert into " + qtest + " values (?, ?, ?)"));
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int id = 10;
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for (int i = 0; i < ProdConIterations; ++i) {
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q.bindValue(0, ++id);
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q.bindValue(1, "threaddy");
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q.bindValue(2, 10);
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QVERIFY_SQL(q, exec());
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QThread::yieldCurrentThread();
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}
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}
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void run() override
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{
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QString dbName = QString("Producer%1").arg((size_t)currentThreadId());
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runHelper(dbName);
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QSqlDatabase::database(dbName).close();
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QSqlDatabase::removeDatabase(dbName);
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}
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private:
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QSqlDatabase sourceDb;
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};
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class SqlConsumer: public QThread
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{
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Q_OBJECT
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public:
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SqlConsumer(const QSqlDatabase &aDb, QObject *parent = nullptr)
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: QThread(parent), sourceDb(aDb) {}
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void runHelper(const QString &dbName)
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{
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QSqlDatabase db = QSqlDatabase::cloneDatabase(sourceDb, dbName);
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QVERIFY_SQL(db, open());
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QSqlQuery q1(db), q2(db);
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QVERIFY_SQL(q2, prepare("delete from " + qtest + " where id = :id"));
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for (int i = 0; i < ProdConIterations; ++i) {
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QVERIFY_SQL(q1, exec("select max(id) from " + qtest));
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q1.first();
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q2.bindValue(":id", q1.value(0));
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q1.clear();
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QVERIFY_SQL(q2, exec());
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QThread::yieldCurrentThread();
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}
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}
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void run() override
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{
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QString dbName = QString("Consumer%1").arg((size_t)currentThreadId());
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runHelper(dbName);
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QSqlDatabase::database(dbName).close();
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QSqlDatabase::removeDatabase(dbName);
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}
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private:
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QSqlDatabase sourceDb;
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};
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class SqlThread: public QThread
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{
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Q_OBJECT
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public:
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enum Mode { SimpleReading, PreparedReading, SimpleWriting, PreparedWriting };
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SqlThread(Mode m, const QSqlDatabase &db, QObject *parent = nullptr)
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: QThread(parent), sourceDb(db), mode(m) {}
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void run() override
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{
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QSqlDatabase &db = sourceDb;
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switch (mode) {
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case SimpleReading: {
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// Executes a Query for reading, iterates over the first 4 results
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QSqlQuery q(sourceDb);
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for (int j = 0; j < ProdConIterations; ++j) {
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QVERIFY_SQL(q, exec("select id,name from " + qtest + " order by id"));
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for (int i = 1; i < 4; ++i) {
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QVERIFY_SQL(q, next());
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QCOMPARE(q.value(0).toInt(), i);
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}
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}
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break; }
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case SimpleWriting: {
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// Executes a query for writing (appends a new row)
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QSqlQuery q(sourceDb);
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for (int j = 0; j < ProdConIterations; ++j) {
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QVERIFY_SQL(q, exec(QString("insert into " + qtest
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+ " (id, name) values(%1, '%2')")
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.arg(counter.fetchAndAddRelaxed(1)).arg("Robert")));
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}
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break; }
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case PreparedReading: {
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// Prepares a query for reading and iterates over the results
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QSqlQuery q(sourceDb);
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QVERIFY_SQL(q, prepare("select id, name from " + qtest + " where id = ?"));
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for (int j = 0; j < ProdConIterations; ++j) {
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q.addBindValue(j % 3 + 1);
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QVERIFY_SQL(q, exec());
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QVERIFY_SQL(q, next());
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QCOMPARE(q.value(0).toInt(), j % 3 + 1);
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}
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break; }
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case PreparedWriting: {
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QSqlQuery q(sourceDb);
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QVERIFY_SQL(q, prepare("insert into " + qtest + " (id, name) "
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"values(?, ?)"));
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for (int i = 0; i < ProdConIterations; ++i) {
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q.addBindValue(counter.fetchAndAddRelaxed(1));
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q.addBindValue("Robert");
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QVERIFY_SQL(q, exec());
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}
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break; }
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}
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}
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private:
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QSqlDatabase sourceDb;
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Mode mode;
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};
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tst_QSqlThread::tst_QSqlThread()
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: threadFinishedCount(0)
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{
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static QSqlDatabase static_qtest_db = QSqlDatabase();
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qtest = qTableName("qtest", __FILE__, static_qtest_db);
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}
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tst_QSqlThread::~tst_QSqlThread()
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{
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}
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void tst_QSqlThread::generic_data(const QString& engine)
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{
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if ( dbs.fillTestTable(engine) == 0 ) {
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if(engine.isEmpty())
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QSKIP( "No database drivers are available in this Qt configuration");
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else
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QSKIP( (QString("No database drivers of type %1 are available in this Qt configuration").arg(engine)).toLocal8Bit());
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}
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}
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void tst_QSqlThread::dropTestTables()
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{
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for (int i = 0; i < dbs.dbNames.size(); ++i) {
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QSqlDatabase db = QSqlDatabase::database(dbs.dbNames.at(i));
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QSqlQuery q(db);
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tst_Databases::safeDropTables(db, QStringList() << qtest << qTableName("qtest2", __FILE__, db) << qTableName("emptytable", __FILE__, db));
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}
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}
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void tst_QSqlThread::createTestTables()
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{
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for (int i = 0; i < dbs.dbNames.size(); ++i) {
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QSqlDatabase db = QSqlDatabase::database(dbs.dbNames.at(i));
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QSqlQuery q(db);
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QVERIFY_SQL(q, exec("create table " + qtest
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+ "(id int NOT NULL primary key, name varchar(20), title int)"));
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QVERIFY_SQL(q, exec("create table " + qTableName("qtest2", __FILE__, db)
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+ "(id int NOT NULL primary key, title varchar(20))"));
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QVERIFY_SQL(q, exec("create table " + qTableName("emptytable", __FILE__, db)
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+ "(id int NOT NULL primary key)"));
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}
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}
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void tst_QSqlThread::repopulateTestTables()
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{
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for (int i = 0; i < dbs.dbNames.size(); ++i) {
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QSqlDatabase db = QSqlDatabase::database(dbs.dbNames.at(i));
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QSqlQuery q(db);
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QVERIFY_SQL(q, exec("delete from " + qtest));
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QVERIFY_SQL(q, exec("insert into " + qtest + " values(1, 'harry', 1)"));
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QVERIFY_SQL(q, exec("insert into " + qtest + " values(2, 'trond', 2)"));
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QVERIFY_SQL(q, exec("insert into " + qtest + " values(3, 'vohi', 3)"));
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QVERIFY_SQL(q, exec("delete from " + qTableName("qtest2", __FILE__, db)));
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QVERIFY_SQL(q, exec("insert into " + qTableName("qtest2", __FILE__, db) + " values(1, 'herr')"));
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QVERIFY_SQL(q, exec("insert into " + qTableName("qtest2", __FILE__, db) + " values(2, 'mister')"));
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}
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}
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void tst_QSqlThread::recreateTestTables()
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{
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dropTestTables();
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createTestTables();
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repopulateTestTables();
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}
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void tst_QSqlThread::initTestCase()
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{
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QVERIFY(dbs.open());
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recreateTestTables();
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}
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void tst_QSqlThread::cleanupTestCase()
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{
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dropTestTables();
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dbs.close();
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}
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void tst_QSqlThread::init()
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{
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threadFinishedCount = 0;
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counter.storeRelaxed(4);
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}
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void tst_QSqlThread::cleanup()
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{
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// repopulateTestTables();
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}
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// This test creates two threads that clone their db connection and read
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// from it
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void tst_QSqlThread::simpleThreading()
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{
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QFETCH(QString, dbName);
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QSqlDatabase db = QSqlDatabase::database(dbName);
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CHECK_DATABASE(db);
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if (db.databaseName() == ":memory:")
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QSKIP("does not work with in-memory databases");
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QtTestSqlThread t1(db);
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QtTestSqlThread t2(db);
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connect(&t1, SIGNAL(finished()), this, SLOT(threadFinished()), Qt::QueuedConnection);
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connect(&t2, SIGNAL(finished()), this, SLOT(threadFinished()), Qt::QueuedConnection);
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t1.start();
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t2.start();
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QTRY_VERIFY(threadFinishedCount >= 2);
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}
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// This test creates two threads that clone their db connection and read
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// or write
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void tst_QSqlThread::readWriteThreading()
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{
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QFETCH(QString, dbName);
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QSqlDatabase db = QSqlDatabase::database(dbName);
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CHECK_DATABASE(db);
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if (db.databaseName() == ":memory:")
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QSKIP("does not work with in-memory databases");
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else if (tst_Databases::isMSAccess(db))
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QSKIP("does not work with MS Access databases");
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SqlProducer producer(db);
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SqlConsumer consumer(db);
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connect(&producer, SIGNAL(finished()), this, SLOT(threadFinished()), Qt::QueuedConnection);
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connect(&consumer, SIGNAL(finished()), this, SLOT(threadFinished()), Qt::QueuedConnection);
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producer.start();
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consumer.start();
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QTRY_VERIFY_WITH_TIMEOUT(threadFinishedCount >= 2, 10000);
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}
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#ifdef QOCI_THREADED
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// run with n threads in parallel. Change this constant to hammer the poor DB server even more
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static const int maxThreadCount = 4;
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#endif
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void tst_QSqlThread::readFromSingleConnection()
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{
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#ifdef QOCI_THREADED
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QFETCH(QString, dbName);
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QSqlDatabase db = QSqlDatabase::database(dbName);
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CHECK_DATABASE(db);
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if (db.databaseName() == ":memory:")
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QSKIP("does not work with in-memory databases");
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QObject cleanupHelper; // make sure the threads die when we exit the scope
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for (int i = 0; i < maxThreadCount; ++i) {
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SqlThread *reader = new SqlThread(SqlThread::SimpleReading, db, &cleanupHelper);
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connect(reader, SIGNAL(finished()), this, SLOT(threadFinished()), Qt::QueuedConnection);
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reader->start();
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}
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QTRY_VERIFY(threadFinishedCount >= maxThreadCount);
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#endif
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}
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void tst_QSqlThread::readWriteFromSingleConnection()
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{
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#ifdef QOCI_THREADED
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QFETCH(QString, dbName);
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QSqlDatabase db = QSqlDatabase::database(dbName);
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CHECK_DATABASE(db);
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if (db.databaseName() == ":memory:")
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QSKIP("does not work with in-memory databases");
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QObject cleanupHelper;
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for (int i = 0; i < maxThreadCount; ++i) {
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SqlThread *reader = new SqlThread(SqlThread::SimpleReading, db, &cleanupHelper);
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connect(reader, SIGNAL(finished()), this, SLOT(threadFinished()), Qt::QueuedConnection);
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reader->start();
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SqlThread *writer = new SqlThread(SqlThread::SimpleWriting, db, &cleanupHelper);
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connect(writer, SIGNAL(finished()), this, SLOT(threadFinished()), Qt::QueuedConnection);
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writer->start();
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}
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QTRY_VERIFY(threadFinishedCount >= maxThreadCount * 2);
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#endif
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}
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void tst_QSqlThread::preparedReadWriteFromSingleConnection()
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{
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#ifdef QOCI_THREADED
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QFETCH(QString, dbName);
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QSqlDatabase db = QSqlDatabase::database(dbName);
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CHECK_DATABASE(db);
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if (db.databaseName() == ":memory:")
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QSKIP("does not work with in-memory databases");
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QObject cleanupHelper;
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for (int i = 0; i < maxThreadCount; ++i) {
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SqlThread *reader = new SqlThread(SqlThread::PreparedReading, db, &cleanupHelper);
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connect(reader, SIGNAL(finished()), this, SLOT(threadFinished()), Qt::QueuedConnection);
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reader->start();
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SqlThread *writer = new SqlThread(SqlThread::PreparedWriting, db, &cleanupHelper);
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connect(writer, SIGNAL(finished()), this, SLOT(threadFinished()), Qt::QueuedConnection);
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writer->start();
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}
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QTRY_VERIFY(threadFinishedCount >= maxThreadCount * 2);
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#endif
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}
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void tst_QSqlThread::transactionsFromSingleConnection()
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{
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#ifdef QOCI_THREADED
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QFETCH(QString, dbName);
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QSqlDatabase db = QSqlDatabase::database(dbName);
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CHECK_DATABASE(db);
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if (db.databaseName() == ":memory:")
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QSKIP("does not work with in-memory databases");
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// start and commit a transaction
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QVERIFY_SQL(db, db.transaction());
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preparedReadWriteFromSingleConnection(); // read and write from multiple threads
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if (QTest::currentTestFailed())
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return;
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QVERIFY_SQL(db, db.commit());
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// reset test environment
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threadFinishedCount = 0;
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// start and roll back a transaction
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QVERIFY_SQL(db, db.transaction());
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preparedReadWriteFromSingleConnection(); // read and write from multiple threads
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if (QTest::currentTestFailed())
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return;
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QVERIFY_SQL(db, db.rollback());
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#endif
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}
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QTEST_MAIN(tst_QSqlThread)
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#include "tst_qsqlthread.moc"
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