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<?php
namespace Drupal\KernelTests\Core\Database;
use Drupal\Core\Database\Database;
/**
* Tests the query logging facility.
*
* @group Database
*/
class LoggingTest extends DatabaseTestBase {
/**
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* Tests that we can log the existence of a query.
*/
public function testEnableLogging() {
Database::startLog('testing');
db_query('SELECT name FROM {test} WHERE age > :age', [':age' => 25])->fetchCol();
db_query('SELECT age FROM {test} WHERE name = :name', [':name' => 'Ringo'])->fetchCol();
// Trigger a call that does not have file in the backtrace.
call_user_func_array('db_query', ['SELECT age FROM {test} WHERE name = :name', [':name' => 'Ringo']])->fetchCol();
$queries = Database::getLog('testing', 'default');
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$this->assertEqual(count($queries), 3, 'Correct number of queries recorded.');
foreach ($queries as $query) {
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$this->assertEqual($query['caller']['function'], __FUNCTION__, 'Correct function in query log.');
}
}
/**
Jennifer Hodgdon
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* Tests that we can run two logs in parallel.
*/
public function testEnableMultiLogging() {
Database::startLog('testing1');
db_query('SELECT name FROM {test} WHERE age > :age', [':age' => 25])->fetchCol();
Database::startLog('testing2');
db_query('SELECT age FROM {test} WHERE name = :name', [':name' => 'Ringo'])->fetchCol();
$queries1 = Database::getLog('testing1');
$queries2 = Database::getLog('testing2');
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$this->assertEqual(count($queries1), 2, 'Correct number of queries recorded for log 1.');
$this->assertEqual(count($queries2), 1, 'Correct number of queries recorded for log 2.');
}
/**
Jennifer Hodgdon
committed
* Tests logging queries against multiple targets on the same connection.
*/
public function testEnableTargetLogging() {
// Clone the primary credentials to a replica connection and to another fake
// connection.
$connection_info = Database::getConnectionInfo('default');
Database::addConnectionInfo('default', 'replica', $connection_info['default']);
Database::startLog('testing1');
db_query('SELECT name FROM {test} WHERE age > :age', [':age' => 25])->fetchCol();
db_query('SELECT age FROM {test} WHERE name = :name', [':name' => 'Ringo'], ['target' => 'replica'])->fetchCol();
$queries1 = Database::getLog('testing1');
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$this->assertEqual(count($queries1), 2, 'Recorded queries from all targets.');
$this->assertEqual($queries1[0]['target'], 'default', 'First query used default target.');
$this->assertEqual($queries1[1]['target'], 'replica', 'Second query used replica target.');
}
/**
Alex Pott
committed
* Tests that logs to separate targets use the same connection properly.
*
* This test is identical to the one above, except that it doesn't create
* a fake target so the query should fall back to running on the default
* target.
*/
public function testEnableTargetLoggingNoTarget() {
Database::startLog('testing1');
db_query('SELECT name FROM {test} WHERE age > :age', [':age' => 25])->fetchCol();
// We use "fake" here as a target because any non-existent target will do.
// However, because all of the tests in this class share a single page
// request there is likely to be a target of "replica" from one of the other
// unit tests, so we use a target here that we know with absolute certainty
// does not exist.
db_query('SELECT age FROM {test} WHERE name = :name', [':name' => 'Ringo'], ['target' => 'fake'])->fetchCol();
$queries1 = Database::getLog('testing1');
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$this->assertEqual(count($queries1), 2, 'Recorded queries from all targets.');
$this->assertEqual($queries1[0]['target'], 'default', 'First query used default target.');
$this->assertEqual($queries1[1]['target'], 'default', 'Second query used default target as fallback.');
}
/**
Jennifer Hodgdon
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* Tests that we can log queries separately on different connections.
*/
public function testEnableMultiConnectionLogging() {
// Clone the primary credentials to a fake connection.
// That both connections point to the same physical database is irrelevant.
$connection_info = Database::getConnectionInfo('default');
Database::addConnectionInfo('test2', 'default', $connection_info['default']);
Database::startLog('testing1');
Database::startLog('testing1', 'test2');
db_query('SELECT name FROM {test} WHERE age > :age', [':age' => 25])->fetchCol();
$old_key = Database::setActiveConnection('test2');
db_query('SELECT age FROM {test} WHERE name = :name', [':name' => 'Ringo'], ['target' => 'replica'])->fetchCol();
Database::setActiveConnection($old_key);
$queries1 = Database::getLog('testing1');
$queries2 = Database::getLog('testing1', 'test2');
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$this->assertEqual(count($queries1), 1, 'Correct number of queries recorded for first connection.');
$this->assertEqual(count($queries2), 1, 'Correct number of queries recorded for second connection.');
}
/**
* Tests that getLog with a wrong key return an empty array.
*/
public function testGetLoggingWrongKey() {
$result = Database::getLog('wrong');
$this->assertEqual($result, [], 'The function getLog with a wrong key returns an empty array.');
}