LoggerTest.php

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<?php
namespace TYPO3\CMS\Core\Tests\Unit\Log;

class LoggerTest extends \TYPO3\CMS\Core\Tests\UnitTestCase {

    public function getNameGetsLoggerName() {
        $logger = new \TYPO3\CMS\Core\Log\Logger('test.core.log');
        $this->assertSame('test.core.log', $logger->getName());
    }

    public function loggerDoesNotLogRecordsLessCriticalThanLogLevel() {
        $logger = new \TYPO3\CMS\Core\Log\Logger('test.core.log');
        $writer = new \TYPO3\CMS\Core\Tests\Unit\Log\Fixtures\WriterFixture();
        $logger->addWriter(\TYPO3\CMS\Core\Log\LogLevel::ERROR, $writer);
            // warning < error, thus must not be logged
        $logger->log(\TYPO3\CMS\Core\Log\LogLevel::WARNING, 'test message');
        $this->assertAttributeEmpty('records', $writer);
    }

    public function loggerReturnsItselfAfterLogging() {
        $logger = new \TYPO3\CMS\Core\Log\Logger('test.core.log');
        $writer = new \TYPO3\CMS\Core\Tests\Unit\Log\Fixtures\WriterFixture();
        $logger->addWriter(\TYPO3\CMS\Core\Log\LogLevel::DEBUG, $writer);
        $returnValue = $logger->log(\TYPO3\CMS\Core\Log\LogLevel::WARNING, 'test message');
        $this->assertInstanceOf('TYPO3\\CMS\\Core\\Log\\Logger', $returnValue);
    }

    public function loggerReturnsItselfAfterLoggingWithoutWriter() {
        $logger = new \TYPO3\CMS\Core\Log\Logger('test.core.log');
        $returnValue = $logger->log(\TYPO3\CMS\Core\Log\LogLevel::WARNING, 'test message');
        $this->assertInstanceOf('TYPO3\\CMS\\Core\\Log\\Logger', $returnValue);
    }

    public function loggerReturnsItselfAfterLoggingLessCritical() {
        $logger = new \TYPO3\CMS\Core\Log\Logger('test.core.log');
        $writer = new \TYPO3\CMS\Core\Tests\Unit\Log\Fixtures\WriterFixture();
        $logger->addWriter(\TYPO3\CMS\Core\Log\LogLevel::EMERGENCY, $writer);
        $returnValue = $logger->log(\TYPO3\CMS\Core\Log\LogLevel::WARNING, 'test message');
        $this->assertInstanceOf('TYPO3\\CMS\\Core\\Log\\Logger', $returnValue);
    }

    public function loggerCallsProcessor() {
        $component = 'test.core.log';
        $level = \TYPO3\CMS\Core\Log\LogLevel::DEBUG;
        $message = 'test';
        $logger = new \TYPO3\CMS\Core\Log\Logger($component);
        $processor = $this->getMock('TYPO3\\CMS\\Core\\Log\\Processor\\NullProcessor', array('processLogRecord'));
        $processor->expects($this->once())->method('processLogRecord')->will($this->returnValue(new \TYPO3\CMS\Core\Log\LogRecord($component, $level, $message)));
        $logger->addProcessor($level, $processor);
            // we need a writer, otherwise we will not process log records
        $logger->addWriter($level, new \TYPO3\CMS\Core\Log\Writer\NullWriter());
        $logger->warning($message);
    }

    public function loggerLogsRecord() {
        $logger = new \TYPO3\CMS\Core\Log\Logger('test.core.log');
        $writer = $this->getMock('TYPO3\\CMS\\Core\\Log\\Writer\\NullWriter', array('writeLog'));
        $writer->expects($this->once())->method('writeLog');
        $logger->addWriter(\TYPO3\CMS\Core\Log\LogLevel::DEBUG, $writer);
        $logger->warning('test');
    }

    public function loggerLogsRecordsAtLeastAsCriticalAsLogLevel() {
        $logger = new \TYPO3\CMS\Core\Log\Logger('test.core.log');
        $writer = new \TYPO3\CMS\Core\Tests\Unit\Log\Fixtures\WriterFixture();
        $logger->addWriter(\TYPO3\CMS\Core\Log\LogLevel::NOTICE, $writer);
            // notice == notice, thus must be logged
        $logger->log(\TYPO3\CMS\Core\Log\LogLevel::NOTICE, 'test message');
        $this->assertAttributeNotEmpty('records', $writer);
    }

    public function loggerLogsRecordsThroughShorthandMethodDataProvider() {
        return array(
            array('emergency'),
            array('alert'),
            array('critical'),
            array('error'),
            array('warning'),
            array('notice'),
            array('info'),
            array('debug')
        );
    }

    public function loggerLogsRecordsThroughShorthandMethod($shorthandMethod) {
        $logger = new \TYPO3\CMS\Core\Log\Logger('test.core.log');
        $writer = new \TYPO3\CMS\Core\Tests\Unit\Log\Fixtures\WriterFixture();
        $logger->addWriter(\TYPO3\CMS\Core\Log\LogLevel::DEBUG, $writer);
        call_user_func(array($logger, $shorthandMethod), 'test message');
        $this->assertAttributeNotEmpty('records', $writer);
    }

    public function loggerLogsRecordsMoreCriticalThanLogLevel() {
        $logger = new \TYPO3\CMS\Core\Log\Logger('test.core.log');
        $writer = new \TYPO3\CMS\Core\Tests\Unit\Log\Fixtures\WriterFixture();
        $logger->addWriter(\TYPO3\CMS\Core\Log\LogLevel::NOTICE, $writer);
            // warning > notice, thus must be logged
        $logger->log(\TYPO3\CMS\Core\Log\LogLevel::WARNING, 'test message');
        $this->assertAttributeNotEmpty('records', $writer);
    }

    public function addWriterAddsWriterToTheSpecifiedLevel() {
        $logger = new \TYPO3\CMS\Core\Log\Logger('test.core.log');
        $writer = new \TYPO3\CMS\Core\Tests\Unit\Log\Fixtures\WriterFixture();
        $logger->addWriter(\TYPO3\CMS\Core\Log\LogLevel::NOTICE, $writer);
        $writers = $logger->getWriters();
        $this->assertContains($writer, $writers[\TYPO3\CMS\Core\Log\LogLevel::NOTICE]);
    }

    public function addWriterAddsWriterAlsoToHigherLevelsThanSpecified() {
        $logger = new \TYPO3\CMS\Core\Log\Logger('test.core.log');
        $writer = new \TYPO3\CMS\Core\Tests\Unit\Log\Fixtures\WriterFixture();
        $logger->addWriter(\TYPO3\CMS\Core\Log\LogLevel::NOTICE, $writer);
        $writers = $logger->getWriters();
        $this->assertContains($writer, $writers[\TYPO3\CMS\Core\Log\LogLevel::EMERGENCY]);
    }

}