LogstashFormatterTest.php

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<?php

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Formatter;

use Monolog\Logger;

class LogstashFormatterTest extends \PHPUnit_Framework_TestCase
{
    public function testDefaultFormatter()
    {
        $formatter = new LogstashFormatter('test', 'hostname');
        $record = array(
            'level' => Logger::ERROR,
            'level_name' => 'ERROR',
            'channel' => 'meh',
            'context' => array(),
            'datetime' => new \DateTime("@0"),
            'extra' => array(),
            'message' => 'log',
        );

        $message = json_decode($formatter->format($record), true);

        $this->assertEquals("1970-01-01T00:00:00.000000+00:00", $message['@timestamp']);
        $this->assertEquals('log', $message['@message']);
        $this->assertEquals('meh', $message['@fields']['channel']);
        $this->assertContains('meh', $message['@tags']);
        $this->assertEquals(Logger::ERROR, $message['@fields']['level']);
        $this->assertEquals('test', $message['@type']);
        $this->assertEquals('hostname', $message['@source']);

        $formatter = new LogstashFormatter('mysystem');

        $message = json_decode($formatter->format($record), true);

        $this->assertEquals('mysystem', $message['@type']);
    }

    public function testFormatWithFileAndLine()
    {
        $formatter = new LogstashFormatter('test');
        $record = array(
            'level' => Logger::ERROR,
            'level_name' => 'ERROR',
            'channel' => 'meh',
            'context' => array('from' => 'logger'),
            'datetime' => new \DateTime("@0"),
            'extra' => array('file' => 'test', 'line' => 14),
            'message' => 'log',
        );

        $message = json_decode($formatter->format($record), true);

        $this->assertEquals('test', $message['@fields']['file']);
        $this->assertEquals(14, $message['@fields']['line']);
    }

    public function testFormatWithContext()
    {
        $formatter = new LogstashFormatter('test');
        $record = array(
            'level' => Logger::ERROR,
            'level_name' => 'ERROR',
            'channel' => 'meh',
            'context' => array('from' => 'logger'),
            'datetime' => new \DateTime("@0"),
            'extra' => array('key' => 'pair'),
            'message' => 'log'
        );

        $message = json_decode($formatter->format($record), true);

        $message_array = $message['@fields'];

        $this->assertArrayHasKey('ctxt_from', $message_array);
        $this->assertEquals('logger', $message_array['ctxt_from']);

        // Test with extraPrefix
        $formatter = new LogstashFormatter('test', null, null, 'CTX');
        $message = json_decode($formatter->format($record), true);

        $message_array = $message['@fields'];

        $this->assertArrayHasKey('CTXfrom', $message_array);
        $this->assertEquals('logger', $message_array['CTXfrom']);
    }

    public function testFormatWithExtra()
    {
        $formatter = new LogstashFormatter('test');
        $record = array(
            'level' => Logger::ERROR,
            'level_name' => 'ERROR',
            'channel' => 'meh',
            'context' => array('from' => 'logger'),
            'datetime' => new \DateTime("@0"),
            'extra' => array('key' => 'pair'),
            'message' => 'log'
        );

        $message = json_decode($formatter->format($record), true);

        $message_array = $message['@fields'];

        $this->assertArrayHasKey('key', $message_array);
        $this->assertEquals('pair', $message_array['key']);

        // Test with extraPrefix
        $formatter = new LogstashFormatter('test', null, 'EXT');
        $message = json_decode($formatter->format($record), true);

        $message_array = $message['@fields'];

        $this->assertArrayHasKey('EXTkey', $message_array);
        $this->assertEquals('pair', $message_array['EXTkey']);
    }

    public function testFormatWithApplicationName()
    {
        $formatter = new LogstashFormatter('app', 'test');
        $record = array(
            'level' => Logger::ERROR,
            'level_name' => 'ERROR',
            'channel' => 'meh',
            'context' => array('from' => 'logger'),
            'datetime' => new \DateTime("@0"),
            'extra' => array('key' => 'pair'),
            'message' => 'log'
        );

        $message = json_decode($formatter->format($record), true);

        $this->assertArrayHasKey('@type', $message);
        $this->assertEquals('app', $message['@type']);
    }

    public function testDefaultFormatterV1()
    {
        $formatter = new LogstashFormatter('test', 'hostname', null, 'ctxt_', LogstashFormatter::V1);
        $record = array(
            'level' => Logger::ERROR,
            'level_name' => 'ERROR',
            'channel' => 'meh',
            'context' => array(),
            'datetime' => new \DateTime("@0"),
            'extra' => array(),
            'message' => 'log',
        );

        $message = json_decode($formatter->format($record), true);

        $this->assertEquals("1970-01-01T00:00:00.000000+00:00", $message['@timestamp']);
        $this->assertEquals("1", $message['@version']);
        $this->assertEquals('log', $message['message']);
        $this->assertEquals('meh', $message['channel']);
        $this->assertEquals('ERROR', $message['level']);
        $this->assertEquals('test', $message['type']);
        $this->assertEquals('hostname', $message['host']);

        $formatter = new LogstashFormatter('mysystem', null, null, 'ctxt_', LogstashFormatter::V1);

        $message = json_decode($formatter->format($record), true);

        $this->assertEquals('mysystem', $message['type']);
    }

    public function testFormatWithFileAndLineV1()
    {
        $formatter = new LogstashFormatter('test', null, null, 'ctxt_', LogstashFormatter::V1);
        $record = array(
            'level' => Logger::ERROR,
            'level_name' => 'ERROR',
            'channel' => 'meh',
            'context' => array('from' => 'logger'),
            'datetime' => new \DateTime("@0"),
            'extra' => array('file' => 'test', 'line' => 14),
            'message' => 'log',
        );

        $message = json_decode($formatter->format($record), true);

        $this->assertEquals('test', $message['file']);
        $this->assertEquals(14, $message['line']);
    }

    public function testFormatWithContextV1()
    {
        $formatter = new LogstashFormatter('test', null, null, 'ctxt_', LogstashFormatter::V1);
        $record = array(
            'level' => Logger::ERROR,
            'level_name' => 'ERROR',
            'channel' => 'meh',
            'context' => array('from' => 'logger'),
            'datetime' => new \DateTime("@0"),
            'extra' => array('key' => 'pair'),
            'message' => 'log'
        );

        $message = json_decode($formatter->format($record), true);

        $this->assertArrayHasKey('ctxt_from', $message);
        $this->assertEquals('logger', $message['ctxt_from']);

        // Test with extraPrefix
        $formatter = new LogstashFormatter('test', null, null, 'CTX', LogstashFormatter::V1);
        $message = json_decode($formatter->format($record), true);

        $this->assertArrayHasKey('CTXfrom', $message);
        $this->assertEquals('logger', $message['CTXfrom']);
    }

    public function testFormatWithExtraV1()
    {
        $formatter = new LogstashFormatter('test', null, null, 'ctxt_', LogstashFormatter::V1);
        $record = array(
            'level' => Logger::ERROR,
            'level_name' => 'ERROR',
            'channel' => 'meh',
            'context' => array('from' => 'logger'),
            'datetime' => new \DateTime("@0"),
            'extra' => array('key' => 'pair'),
            'message' => 'log'
        );

        $message = json_decode($formatter->format($record), true);

        $this->assertArrayHasKey('key', $message);
        $this->assertEquals('pair', $message['key']);

        // Test with extraPrefix
        $formatter = new LogstashFormatter('test', null, 'EXT', 'ctxt_', LogstashFormatter::V1);
        $message = json_decode($formatter->format($record), true);

        $this->assertArrayHasKey('EXTkey', $message);
        $this->assertEquals('pair', $message['EXTkey']);
    }

    public function testFormatWithApplicationNameV1()
    {
        $formatter = new LogstashFormatter('app', 'test', null, 'ctxt_', LogstashFormatter::V1);
        $record = array(
            'level' => Logger::ERROR,
            'level_name' => 'ERROR',
            'channel' => 'meh',
            'context' => array('from' => 'logger'),
            'datetime' => new \DateTime("@0"),
            'extra' => array('key' => 'pair'),
            'message' => 'log'
        );

        $message = json_decode($formatter->format($record), true);

        $this->assertArrayHasKey('type', $message);
        $this->assertEquals('app', $message['type']);
    }
}