tests/auto/qsql/tst_qsql.cpp
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     1 /****************************************************************************
       
     2 **
       
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    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 
       
    43 #include <QtTest/QtTest>
       
    44 #include <qapplication.h>
       
    45 #include <qsqldatabase.h>
       
    46 #include <qsqlerror.h>
       
    47 #include <qsqlquery.h>
       
    48 #ifdef QT3_SUPPORT
       
    49 #include <q3sqlcursor.h>
       
    50 #endif
       
    51 #include <qsqlrecord.h>
       
    52 #include <qsql.h>
       
    53 #include <qsqlresult.h>
       
    54 #include <qsqldriver.h>
       
    55 #include <qdebug.h>
       
    56 #include <private/qsqlnulldriver_p.h>
       
    57 
       
    58 #include "../qsqldatabase/tst_databases.h"
       
    59 
       
    60 //TESTED_FILES=
       
    61 
       
    62 class tst_QSql : public QObject
       
    63 {
       
    64 Q_OBJECT
       
    65 
       
    66 public:
       
    67     tst_QSql();
       
    68     virtual ~tst_QSql();
       
    69 
       
    70 
       
    71 public slots:
       
    72     void initTestCase();
       
    73     void cleanupTestCase();
       
    74     void init();
       
    75     void cleanup();
       
    76 private slots:
       
    77     void open();
       
    78     void openInvalid();
       
    79     void registerSqlDriver();
       
    80 
       
    81     // problem specific tests
       
    82     void openErrorRecovery();
       
    83     void concurrentAccess();
       
    84     void basicDriverTest();
       
    85 };
       
    86 
       
    87 /****************** General Qt SQL Module tests *****************/
       
    88 
       
    89 tst_QSql::tst_QSql()
       
    90 {
       
    91 }
       
    92 
       
    93 tst_QSql::~tst_QSql()
       
    94 {
       
    95 }
       
    96 
       
    97 void tst_QSql::initTestCase()
       
    98 {
       
    99 }
       
   100 
       
   101 void tst_QSql::cleanupTestCase()
       
   102 {
       
   103 }
       
   104 
       
   105 void tst_QSql::init()
       
   106 {
       
   107 }
       
   108 
       
   109 void tst_QSql::cleanup()
       
   110 {
       
   111 }
       
   112 
       
   113 
       
   114 // this is a very basic test for drivers that cannot create/delete tables
       
   115 // it can be used while developing new drivers,
       
   116 // it's original purpose is to test ODBC Text datasources that are basically
       
   117 // to stupid to do anything more advanced than SELECT/INSERT/UPDATE/DELETE
       
   118 // the datasource has to have a table called "qtest_basictest" consisting
       
   119 // of a field "id"(integer) and "name"(char/varchar).
       
   120 void tst_QSql::basicDriverTest()
       
   121 {
       
   122     int argc = 0;
       
   123     QApplication app( argc, 0, false );
       
   124     tst_Databases dbs;
       
   125     dbs.open();
       
   126 
       
   127     foreach( const QString& dbName, dbs.dbNames )
       
   128     {
       
   129         QSqlDatabase db = QSqlDatabase::database( dbName );
       
   130         QVERIFY_SQL( db, isValid() );
       
   131 
       
   132         QStringList tables = db.tables();
       
   133         QString tableName;
       
   134 
       
   135         if ( tables.contains( "qtest_basictest.txt" ) )
       
   136             tableName = "qtest_basictest.txt";
       
   137         else if ( tables.contains( "qtest_basictest" ) )
       
   138             tableName = "qtest_basictest";
       
   139         else if ( tables.contains( "QTEST_BASICTEST" ) )
       
   140             tableName = "QTEST_BASICTEST";
       
   141         else {
       
   142             QVERIFY( 1 );
       
   143             continue;
       
   144         }
       
   145 
       
   146         qDebug( qPrintable( QLatin1String( "Testing: " ) + tst_Databases::dbToString( db ) ) );
       
   147 
       
   148         QSqlRecord rInf = db.record( tableName );
       
   149         QCOMPARE( rInf.count(), 2 );
       
   150         QCOMPARE( rInf.fieldName( 0 ).toLower(), QString( "id" ) );
       
   151         QCOMPARE( rInf.fieldName( 1 ).toLower(), QString( "name" ) );
       
   152 
       
   153 #ifdef QT3_SUPPORT
       
   154         QSqlRecord* rec = 0;
       
   155         Q3SqlCursor cur( tableName, true, db );
       
   156         QVERIFY_SQL( cur, select() );
       
   157         QCOMPARE( cur.count(), 2 );
       
   158         QCOMPARE( cur.fieldName( 0 ).lower(), QString( "id" ) );
       
   159         QCOMPARE( cur.fieldName( 1 ).lower(), QString( "name" ) );
       
   160 
       
   161         rec = cur.primeDelete();
       
   162         rec->setGenerated( 0, false );
       
   163         rec->setGenerated( 1, false );
       
   164         QVERIFY_SQL( cur, del() );
       
   165         QVERIFY_SQL( cur, select() );
       
   166         QCOMPARE( cur.at(), int( QSql::BeforeFirst ) );
       
   167         QVERIFY( !cur.next() );
       
   168         rec = cur.primeInsert();
       
   169         rec->setValue( 0, 1 );
       
   170         rec->setValue( 1, QString( "Harry" ) );
       
   171         QVERIFY_SQL( cur, insert( false ) );
       
   172         rec = cur.primeInsert();
       
   173         rec->setValue( 0, 2 );
       
   174         rec->setValue( 1, QString( "Trond" ) );
       
   175         QVERIFY_SQL( cur, insert( true ) );
       
   176         QVERIFY_SQL( cur, select( cur.index( QString( "id" ) ) ) );
       
   177         QVERIFY_SQL( cur, next() );
       
   178         QCOMPARE( cur.value( 0 ).toInt(), 1 );
       
   179         QCOMPARE( cur.value( 1 ).toString().stripWhiteSpace(), QString( "Harry" ) );
       
   180         QVERIFY_SQL( cur, next() );
       
   181         QCOMPARE( cur.value( 0 ).toInt(), 2 );
       
   182         QCOMPARE( cur.value( 1 ).toString().stripWhiteSpace(), QString( "Trond" ) );
       
   183         QVERIFY( !cur.next() );
       
   184         QVERIFY_SQL( cur, first() );
       
   185         rec = cur.primeUpdate();
       
   186         rec->setValue( 1, QString( "Vohi" ) );
       
   187         QVERIFY_SQL( cur, update( true ) );
       
   188         QVERIFY_SQL( cur, select( "id = 1" ) );
       
   189         QVERIFY_SQL( cur, next() );
       
   190         QCOMPARE( cur.value( 0 ).toInt(), 1 );
       
   191         QCOMPARE( cur.value( 1 ).toString().stripWhiteSpace(), QString( "Vohi" ) );
       
   192 #endif
       
   193     }
       
   194 
       
   195     dbs.close();
       
   196     QVERIFY( 1 ); // make sure the test doesn't fail if no database drivers are there
       
   197 }
       
   198 
       
   199 // make sure that the static stuff will be deleted
       
   200 // when using multiple QApplication objects
       
   201 void tst_QSql::open()
       
   202 {
       
   203     int i;
       
   204     int argc = 0;
       
   205     int count = -1;
       
   206     for ( i = 0; i < 10; ++i ) {
       
   207 
       
   208 	QApplication app( argc, 0, false );
       
   209 	tst_Databases dbs;
       
   210 
       
   211 	dbs.open();
       
   212 	if ( count == -1 )
       
   213 	    // first iteration: see how many dbs are open
       
   214 	    count = (int) dbs.dbNames.count();
       
   215 	else
       
   216 	    // next iterations: make sure all are opened again
       
   217 	    QCOMPARE( count, (int)dbs.dbNames.count() );
       
   218 	dbs.close();
       
   219     }
       
   220 }
       
   221 
       
   222 void tst_QSql::openInvalid()
       
   223 {
       
   224     QSqlDatabase db;
       
   225     QVERIFY(!db.open());
       
   226 
       
   227     QSqlDatabase db2 = QSqlDatabase::addDatabase("doesnt_exist_will_never_exist", "blah");
       
   228     QFAIL_SQL(db2, open());
       
   229 }
       
   230 
       
   231 void tst_QSql::concurrentAccess()
       
   232 {
       
   233     int argc = 0;
       
   234     QApplication app( argc, 0, false );
       
   235     tst_Databases dbs;
       
   236 
       
   237     dbs.open();
       
   238     foreach ( const QString& dbName, dbs.dbNames ) {
       
   239 	QSqlDatabase db = QSqlDatabase::database( dbName );
       
   240 	QVERIFY( db.isValid() );
       
   241         if (tst_Databases::isMSAccess(db))
       
   242             continue;
       
   243 
       
   244 	QSqlDatabase ndb = QSqlDatabase::addDatabase( db.driverName(), "tst_QSql::concurrentAccess" );
       
   245 	ndb.setDatabaseName( db.databaseName() );
       
   246 	ndb.setHostName( db.hostName() );
       
   247 	ndb.setPort( db.port() );
       
   248 	ndb.setUserName( db.userName() );
       
   249 	ndb.setPassword( db.password() );
       
   250 	QVERIFY_SQL( ndb, open() );
       
   251 
       
   252 	QCOMPARE( db.tables(), ndb.tables() );
       
   253     }
       
   254     // no database servers installed - don't fail
       
   255     QVERIFY(1);
       
   256     dbs.close();
       
   257 }
       
   258 
       
   259 void tst_QSql::openErrorRecovery()
       
   260 {
       
   261     int argc = 0;
       
   262     QApplication app( argc, 0, false );
       
   263     tst_Databases dbs;
       
   264 
       
   265     dbs.addDbs();
       
   266     if (dbs.dbNames.isEmpty())
       
   267         QSKIP("No database drivers installed", SkipAll);
       
   268     foreach ( const QString& dbName, dbs.dbNames ) {
       
   269 	QSqlDatabase db = QSqlDatabase::database( dbName, false );
       
   270 	CHECK_DATABASE( db );
       
   271 
       
   272 	QString userName = db.userName();
       
   273 	QString password = db.password();
       
   274 
       
   275 	// force an open error
       
   276 	if ( db.open( "dummy130977", "doesnt_exist" ) ) {
       
   277 	    qDebug( qPrintable(QLatin1String("Promiscuous database server without access control - test skipped for ") +
       
   278 		    tst_Databases::dbToString( db )) );
       
   279 	    QVERIFY(1);
       
   280 	    continue;
       
   281 	}
       
   282 
       
   283 	QFAIL_SQL( db, isOpen() );
       
   284 	QVERIFY_SQL( db, isOpenError() );
       
   285 
       
   286 	// now open it
       
   287 	if ( !db.open( userName, password ) ) {
       
   288 	    qDebug() << "Could not open Database " << tst_Databases::dbToString( db ) <<
       
   289 		    ". Assuming DB is down, skipping... (Error: " << 
       
   290 		    tst_Databases::printError( db.lastError() ) << ")";
       
   291 	    continue;
       
   292 	}
       
   293 	QVERIFY_SQL( db, open( userName, password ) );
       
   294 	QVERIFY_SQL( db, isOpen() );
       
   295 	QFAIL_SQL( db, isOpenError() );
       
   296 	db.close();
       
   297 	QFAIL_SQL( db, isOpen() );
       
   298 
       
   299 	// force another open error
       
   300 	QFAIL_SQL( db, open( "dummy130977", "doesnt_exist" ) );
       
   301 	QFAIL_SQL( db, isOpen() );
       
   302 	QVERIFY_SQL( db, isOpenError() );
       
   303     }
       
   304 }
       
   305 
       
   306 void tst_QSql::registerSqlDriver()
       
   307 {
       
   308     int argc = 0;
       
   309     QApplication app( argc, 0, false );
       
   310 
       
   311     QSqlDatabase::registerSqlDriver( "QSQLTESTDRIVER", new QSqlDriverCreator<QSqlNullDriver> );
       
   312     QVERIFY( QSqlDatabase::drivers().contains( "QSQLTESTDRIVER" ) );
       
   313 
       
   314     QSqlDatabase db = QSqlDatabase::addDatabase( "QSQLTESTDRIVER" );
       
   315     QVERIFY( db.isValid() );
       
   316 
       
   317     QCOMPARE( db.tables(), QStringList() );
       
   318 }
       
   319 
       
   320 QTEST_APPLESS_MAIN(tst_QSql)
       
   321 #include "tst_qsql.moc"