<?php

/**
 * PHPCI - Continuous Integration for PHP
 *
 * @copyright    Copyright 2015, Block 8 Limited.
 * @license      https://github.com/Block8/PHPCI/blob/master/LICENSE.md
 * @link         https://www.phptesting.org/
 */

namespace Tests\PHPCI\Plugin\Helper;

use \PHPCI\Logging\LoggerConfig;

class LoggerConfigTest extends \PHPUnit_Framework_TestCase
{
    public function testGetFor_ReturnsPSRLogger()
    {
        $config = new LoggerConfig(array());
        $logger = $config->getFor("something");
        $this->assertInstanceOf('\Psr\Log\LoggerInterface', $logger);
    }

    public function testGetFor_ReturnsMonologInstance()
    {
        $config = new LoggerConfig(array());
        $logger = $config->getFor("something");
        $this->assertInstanceOf('\Monolog\Logger', $logger);
    }

    public function testGetFor_AttachesAlwaysPresentHandlers()
    {
        $expectedHandler = new \Monolog\Handler\NullHandler();
        $config = new LoggerConfig(array(
            LoggerConfig::KEY_ALWAYS_LOADED => function() use ($expectedHandler) {
                return array($expectedHandler);
            }
        ));

        /** @var \Monolog\Logger $logger */
        $logger = $config->getFor("something");
        $actualHandler = $logger->popHandler();

        $this->assertEquals($expectedHandler, $actualHandler);
    }

    public function testGetFor_AttachesSpecificHandlers()
    {
        $expectedHandler = new \Monolog\Handler\NullHandler();
        $config = new LoggerConfig(array(
            "Specific" => function() use ($expectedHandler) {
                return array($expectedHandler);
            }
        ));

        /** @var \Monolog\Logger $logger */
        $logger = $config->getFor("Specific");
        $actualHandler = $logger->popHandler();

        $this->assertSame($expectedHandler, $actualHandler);
    }

    public function testGetFor_IgnoresAlternativeHandlers()
    {
        $expectedHandler = new \Monolog\Handler\NullHandler();
        $alternativeHandler = new \Monolog\Handler\NullHandler();

        $config = new LoggerConfig(array(
            "Specific" => function() use ($expectedHandler) {
                return array($expectedHandler);
            },
            "Other" => function() use ($alternativeHandler) {
                return array($alternativeHandler);
            }
        ));

        /** @var \Monolog\Logger $logger */
        $logger = $config->getFor("Specific");
        $actualHandler = $logger->popHandler();

        $this->assertSame($expectedHandler, $actualHandler);
        $this->assertNotSame($alternativeHandler, $actualHandler);
    }

    public function testGetFor_SameInstance()
    {
        $config = new LoggerConfig(array());

        $logger1 = $config->getFor("something");
        $logger2 = $config->getFor("something");

        $this->assertSame($logger1, $logger2);
    }
}