function ConnectionUnitTest::testOpenClose

Same name in other branches
  1. 8.9.x core/tests/Drupal/KernelTests/Core/Database/ConnectionUnitTest.php \Drupal\KernelTests\Core\Database\ConnectionUnitTest::testOpenClose()

Tests Database::closeConnection() without query.

@todo getConnectionID() executes a query.

File

modules/simpletest/tests/database_test.test, line 4377

Class

ConnectionUnitTest
Tests management of database connections.

Code

function testOpenClose() {
    if ($this->skipTest) {
        return;
    }
    // Add and open a new connection.
    $this->addConnection();
    $id = $this->getConnectionID();
    Database::getConnection($this->target, $this->key);
    // Verify that there is a new connection.
    $this->assertConnection($id);
    // Close the connection.
    Database::closeConnection($this->target, $this->key);
    // Wait 20ms to give the database engine sufficient time to react.
    usleep(20000);
    // Verify that we are back to the original connection count.
    $this->assertNoConnection($id);
}

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