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MDL-21834 DDL tests - reveal some problems using concurrent temp tables

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This commit is contained in:
Eloy Lafuente
2010-03-16 19:02:18 +00:00
parent fda8369f38
commit fbff152d22
1 changed files with 45 additions and 0 deletions
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lib/ddl/simpletest/testddl.php
+45
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@@ -1344,6 +1344,51 @@ class ddl_test extends UnitTestCase {
// Have dropped all these temp tables here, to avoid conflicts with other (normal tables) tests!
}
public function test_concurrent_temp_tables() {
$DB = $this->tdb; // do not use global $DB!
$dbman = $this->tdb->get_manager();
// Define 2 records
$record1 = (object)array(
'course' => 1,
'secondname' => '11 important',
'intro' => '111 important');
$record2 = (object)array(
'course' => 2,
'secondname' => '22 important',
'intro' => '222 important');
// Create temp table1 and insert 1 record (in DB)
$table = $this->tables['test_table1'];
$dbman->create_temp_table($table);
$this->assertTrue($dbman->table_exists('test_table1'));
$inserted = $DB->insert_record('test_table1', $record1);
// Switch to new connection
$cfg = $DB->export_dbconfig();
if (!isset($cfg->dboptions)) {
$cfg->dboptions = array();
}
$DB2 = moodle_database::get_driver_instance($cfg->dbtype, $cfg->dblibrary);
$DB2->connect($cfg->dbhost, $cfg->dbuser, $cfg->dbpass, $cfg->dbname, $cfg->prefix, $cfg->dboptions);
$dbman2 = $DB2->get_manager();
$this->assertFalse($dbman2->table_exists('test_table1')); // Temp table not exists in DB2
// Create temp table1 and insert 1 record (in DB2)
$table = $this->tables['test_table1'];
$dbman2->create_temp_table($table);
$this->assertTrue($dbman2->table_exists('test_table1'));
$inserted = $DB2->insert_record('test_table1', $record2);
$dbman2->drop_temp_table($table); // Drop temp table before closing DB2
$this->assertFalse($dbman2->table_exists('test_table1'));
$DB2->dispose(); // Close DB2
$this->assertTrue($dbman->table_exists('test_table1')); // Check table continues existing for DB
$dbman->drop_temp_table($table); // Drop temp table
$this->assertFalse($dbman->table_exists('test_table1'));
}
public function test_reset_sequence() {
$DB = $this->tdb;
$dbman = $DB->get_manager();