public function testReportMessage()
{
$observedMessages = array();
$observer = function ($message) use(&$observedMessages) {
$observedMessages[] = $message;
};
$outerReporter = new ObservableMessageReporter();
$innerReporter = new ObservableMessageReporter();
$outerReporter->registerMessageReporter($innerReporter);
$innerReporter->registerReporterCallback($observer);
$innerReporter->reportMessage("one");
$this->assertCount(1, $observedMessages);
$innerReporter->reportMessage("two");
$this->assertCount(2, $observedMessages);
}
