public function testLog()
{
Log::clear();
Config::set('verbose', true);
# Empty log
$this->assertEquals(0, Log::countLogs());
$this->assertEquals(array(), Log::tail(4));
# Adds a default type message
$this->expectOutputString("\n[NOTICE] Log with default type");
Log::add('Log with default type');
$expected = array(0 => array('type' => 'NOTICE', 'message' => 'Log with default type'));
$this->assertEquals($expected, Log::tail(42));
$this->assertEquals($expected, Log::tail(1));
# counts an unexisting key
$this->assertEquals(0, Log::countLogs(42));
# Counts an existing key
$this->assertEquals(1, Log::countLogs('NOTICE'));
Config::set('verbose', false);
}