public function testLogWritesAndOverwritesExtraFields()
{
$logger = new Logger($mock = new Log\Writer\Mock());
$logger->setEventItem('foo', 42);
$logger->setEventItem($field = 'bar', $value = 43);
$logger->info('foo');
$this->assertEquals(1, count($mock->events));
$event = array_shift($mock->events);
$this->assertTrue(array_key_exists($field, $event));
$this->assertEquals($value, $event[$field]);
}
