<?php
use Mammut\Log\Logger;
use Mammut\Log\ConsoleAppender;
use Mammut\Log\ArrayAppender;
use Mammut\Log\FileAppender;
use Mammut\Log\LambdaAppender;
class LoggerTest extends PHPUnit_Framework_TestCase {

	public function testLoggerInit() {
		$log = Logger::getInstance();
		$this->assertNotNull($log, "Empty log object returned");
	}

	/**
	 * @depends testLoggerInit
	 */
	public function testLoggerUsage() {
		$a = new ConsoleAppender();
		
		$log = Logger::getInstance();
		$log->addAppender($a);
		ob_start();
		$log->info("Testmsg");
		$output = ob_get_clean();
		$this->assertStringMatchesFormat('%d-%d-%d %d:%d:%d NOTICE: Testmsg', $output, "Output not valid");
		
		$log2 = Logger::getInstance(__CLASS__);
		ob_start();
		$log2->info("Testmsg");
		$output = ob_get_clean();
		$this->assertStringMatchesFormat('%d-%d-%d %d:%d:%d NOTICE: Testmsg', $output, "Output not valid");
		
		$a2 = new ArrayAppender();
		$log2->addAppender($a2);
		ob_start();
		$log2->info("Testmsg");
		$output = ob_get_clean();
		$this->assertEmpty($output, "Output not empty");
		$log2->removeAppender($a2);
		
		$this->assertEquals(1, count($a2->getLog()), "No log message found");
		$log->removeAppender($a);
	}

	/**
	 * @depends testLoggerInit
	 */
	public function testLoggerToFile() {
		$a = new FileAppender('temp/logtest.log');
		$log = Logger::getInstance();
		$log->addAppender($a);
		$log->warn("TestWarning");
		$log->removeAppender($a);
	}
	
	/**
	 * @depends testLoggerInit
	 */
	public function testLoggerToLambda() {
		$logdata = '';
		$a = new LambdaAppender(function($level, $msg) use (&$logdata) { $logdata = $msg;});
		$log = Logger::getInstance();
		$log->addAppender($a);
		$log->warn("TestWarning2");
		$log->removeAppender($a);
		
		$this->assertEquals("TestWarning2", $logdata, "Message mismatch");
	}
}