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MDL-30026 improve session lock - unit tests & minor comment fixup

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This commit is contained in:
Eloy Lafuente (stronk7)
2011-11-13 19:05:57 +01:00
parent 2b0e3941e9
commit 12dfd6df01
2 changed files with 45 additions and 1 deletions
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lib/dml/simpletest/testdml.php
+44
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@@ -4137,6 +4137,50 @@ class dml_test extends UnitTestCase {
$DB2->dispose();
}
public function test_session_locks() {
$DB = $this->tdb;
$dbman = $DB->get_manager();
// Open second 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);
// Testing that acquiring a lock efectively locks
// Get a session lock on connection1
$rowid = rand(100, 200);
$timeout = 1;
$DB->get_session_lock($rowid, $timeout);
// Try to get the same session lock on connection2
try {
$DB2->get_session_lock($rowid, $timeout);
$DB2->release_session_lock($rowid); // Should not be excuted, but here for safety
$this->fail('An Exception is missing, expected due to session lock acquired.');
} catch (exception $e) {
$this->assertTrue($e instanceof dml_sessionwait_exception);
$DB->release_session_lock($rowid); // Release lock on connection1
}
// Testing that releasing a lock efectively frees
// Get a session lock on connection1
$rowid = rand(100, 200);
$timeout = 1;
$DB->get_session_lock($rowid, $timeout);
// Release the lock on connection1
$DB->release_session_lock($rowid);
// Get the just released lock on connection2
$DB2->get_session_lock($rowid, $timeout);
// Release the lock on connection2
$DB2->release_session_lock($rowid);
$DB2->dispose();
}
public function test_bound_param_types() {
$DB = $this->tdb;
$dbman = $DB->get_manager();