+
+ private function assertWriteForbidden( Database $db ) {
+ try {
+ $db->delete( 'some_table', [ 'id' => 57634126 ], __METHOD__ );
+ $this->fail( 'Write operation should have failed!' );
+ } catch ( DBError $ex ) {
+ // check that the exception message contains "Write operation"
+ $constraint = new PHPUnit_Framework_Constraint_StringContains( 'Write operation' );
+
+ if ( !$constraint->evaluate( $ex->getMessage(), '', true ) ) {
+ // re-throw original error, to preserve stack trace
+ throw $ex;
+ }
+ } finally {
+ $db->rollback( __METHOD__, 'flush' );
+ }
+ }
+
+ private function assertWriteAllowed( Database $db ) {
+ $table = $db->tableName( 'some_table' );
+ try {
+ $db->dropTable( 'some_table' ); // clear for sanity
+ // Use only basic SQL and trivial types for these queries for compatibility
+ $this->assertNotSame(
+ false,
+ $db->query( "CREATE TABLE $table (id INT, time INT)", __METHOD__ ),
+ "table created"
+ );
+ $this->assertNotSame(
+ false,
+ $db->query( "DELETE FROM $table WHERE id=57634126", __METHOD__ ),
+ "delete query"
+ );
+ $this->assertNotSame(
+ false,
+ $db->query( "DROP TABLE $table", __METHOD__ ),
+ "table dropped"
+ );
+ } finally {
+ $db->rollback( __METHOD__, 'flush' );
+ }
+ }
+
+ public function testServerAttributes() {
+ $servers = [
+ [ // master
+ 'dbname' => 'my_unittest_wiki',
+ 'tablePrefix' => 'unittest_',
+ 'type' => 'sqlite',
+ 'dbDirectory' => "some_directory",
+ 'load' => 0
+ ]
+ ];
+
+ $lb = new LoadBalancer( [
+ 'servers' => $servers,
+ 'localDomain' => new DatabaseDomain( 'my_unittest_wiki', null, 'unittest_' ),
+ 'loadMonitorClass' => LoadMonitorNull::class
+ ] );
+
+ $this->assertTrue( $lb->getServerAttributes( 0 )[Database::ATTR_DB_LEVEL_LOCKING] );
+
+ $servers = [
+ [ // master
+ 'host' => 'db1001',
+ 'user' => 'wikiuser',
+ 'password' => 'none',
+ 'dbname' => 'my_unittest_wiki',
+ 'tablePrefix' => 'unittest_',
+ 'type' => 'mysql',
+ 'load' => 100
+ ],
+ [ // emulated replica
+ 'host' => 'db1002',
+ 'user' => 'wikiuser',
+ 'password' => 'none',
+ 'dbname' => 'my_unittest_wiki',
+ 'tablePrefix' => 'unittest_',
+ 'type' => 'mysql',
+ 'load' => 100
+ ]
+ ];
+
+ $lb = new LoadBalancer( [
+ 'servers' => $servers,
+ 'localDomain' => new DatabaseDomain( 'my_unittest_wiki', null, 'unittest_' ),
+ 'loadMonitorClass' => LoadMonitorNull::class
+ ] );
+
+ $this->assertFalse( $lb->getServerAttributes( 1 )[Database::ATTR_DB_LEVEL_LOCKING] );
+ }