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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;

use Monolog\Processor\WebProcessor;

use Monolog\Handler\TestHandler;

class LoggerTest extends \PHPUnit_Framework_TestCase

{

    /**

     * @covers Monolog\Logger::getName

     */

    public function testGetName()

    {

        $logger = new Logger('foo');

        $this->assertEquals('foo', $logger->getName());

    }

    /**

     * @covers Monolog\Logger::getLevelName

     */

    public function testGetLevelName()

    {

        $this->assertEquals('ERROR', Logger::getLevelName(Logger::ERROR));

    }

    /**

     * @covers Monolog\Logger::withName

     */

    public function testWithName()

    {

        $first = new Logger('first', array($handler = new TestHandler()));

        $second = $first->withName('second');

        $this->assertSame('first', $first->getName());

        $this->assertSame('second', $second->getName());

        $this->assertSame($handler, $second->popHandler());

    }

    /**

     * @covers Monolog\Logger::toMonologLevel

     */

    public function testConvertPSR3ToMonologLevel()

    {

        $this->assertEquals(Logger::toMonologLevel('debug'), 100);

        $this->assertEquals(Logger::toMonologLevel('info'), 200);

        $this->assertEquals(Logger::toMonologLevel('notice'), 250);

        $this->assertEquals(Logger::toMonologLevel('warning'), 300);

        $this->assertEquals(Logger::toMonologLevel('error'), 400);

        $this->assertEquals(Logger::toMonologLevel('critical'), 500);

        $this->assertEquals(Logger::toMonologLevel('alert'), 550);

        $this->assertEquals(Logger::toMonologLevel('emergency'), 600);

    }

    /**

     * @covers Monolog\Logger::getLevelName

     * @expectedException InvalidArgumentException

     */

    public function testGetLevelNameThrows()

    {

        Logger::getLevelName(5);

    }

    /**

     * @covers Monolog\Logger::__construct

     */

    public function testChannel()

    {

        $logger = new Logger('foo');

        $handler = new TestHandler;

        $logger->pushHandler($handler);

        $logger->addWarning('test');

        list($record) = $handler->getRecords();

        $this->assertEquals('foo', $record['channel']);

    }

    /**

     * @covers Monolog\Logger::addRecord

     */

    public function testLog()

    {

        $logger = new Logger(__METHOD__);

        $handler = $this->getMock('Monolog\Handler\NullHandler', array('handle'));

        $handler->expects($this->once())

            ->method('handle');

        $logger->pushHandler($handler);

        $this->assertTrue($logger->addWarning('test'));

    }

    /**

     * @covers Monolog\Logger::addRecord

     */

    public function testLogNotHandled()

    {

        $logger = new Logger(__METHOD__);

        $handler = $this->getMock('Monolog\Handler\NullHandler', array('handle'), array(Logger::ERROR));

        $handler->expects($this->never())

            ->method('handle');

        $logger->pushHandler($handler);

        $this->assertFalse($logger->addWarning('test'));

    }

    public function testHandlersInCtor()

    {

        $handler1 = new TestHandler;

        $handler2 = new TestHandler;

        $logger = new Logger(__METHOD__, array($handler1, $handler2));

        $this->assertEquals($handler1, $logger->popHandler());

        $this->assertEquals($handler2, $logger->popHandler());

    }

    public function testProcessorsInCtor()

    {

        $processor1 = new WebProcessor;

        $processor2 = new WebProcessor;

        $logger = new Logger(__METHOD__, array(), array($processor1, $processor2));

        $this->assertEquals($processor1, $logger->popProcessor());

        $this->assertEquals($processor2, $logger->popProcessor());

    }

    /**

     * @covers Monolog\Logger::pushHandler

     * @covers Monolog\Logger::popHandler

     * @expectedException LogicException

     */

    public function testPushPopHandler()

    {

        $logger = new Logger(__METHOD__);

        $handler1 = new TestHandler;

        $handler2 = new TestHandler;

        $logger->pushHandler($handler1);

        $logger->pushHandler($handler2);

        $this->assertEquals($handler2, $logger->popHandler());

        $this->assertEquals($handler1, $logger->popHandler());

        $logger->popHandler();

    }

    /**

     * @covers Monolog\Logger::setHandlers

     */

    public function testSetHandlers()

    {

        $logger = new Logger(__METHOD__);

        $handler1 = new TestHandler;

        $handler2 = new TestHandler;

        $logger->pushHandler($handler1);

        $logger->setHandlers(array($handler2));

        // handler1 has been removed

        $this->assertEquals(array($handler2), $logger->getHandlers());

        $logger->setHandlers(array(

            "AMapKey" => $handler1,

            "Woop" => $handler2,

        ));

        // Keys have been scrubbed

        $this->assertEquals(array($handler1, $handler2), $logger->getHandlers());

    }

    /**

     * @covers Monolog\Logger::pushProcessor

     * @covers Monolog\Logger::popProcessor

     * @expectedException LogicException

     */

    public function testPushPopProcessor()

    {

        $logger = new Logger(__METHOD__);

        $processor1 = new WebProcessor;

        $processor2 = new WebProcessor;

        $logger->pushProcessor($processor1);

        $logger->pushProcessor($processor2);

        $this->assertEquals($processor2, $logger->popProcessor());

        $this->assertEquals($processor1, $logger->popProcessor());

        $logger->popProcessor();

    }

    /**

     * @covers Monolog\Logger::pushProcessor

     * @expectedException InvalidArgumentException

     */

    public function testPushProcessorWithNonCallable()

    {

        $logger = new Logger(__METHOD__);

        $logger->pushProcessor(new \stdClass());

    }

    /**

     * @covers Monolog\Logger::addRecord

     */

    public function testProcessorsAreExecuted()

    {

        $logger = new Logger(__METHOD__);

        $handler = new TestHandler;

        $logger->pushHandler($handler);

        $logger->pushProcessor(function ($record) {

            $record['extra']['win'] = true;

            return $record;

        });

        $logger->addError('test');

        list($record) = $handler->getRecords();

        $this->assertTrue($record['extra']['win']);

    }

    /**

     * @covers Monolog\Logger::addRecord

     */

    public function testProcessorsAreCalledOnlyOnce()

    {

        $logger = new Logger(__METHOD__);

        $handler = $this->getMock('Monolog\Handler\HandlerInterface');

        $handler->expects($this->any())

            ->method('isHandling')

            ->will($this->returnValue(true))

        ;

        $handler->expects($this->any())

            ->method('handle')

            ->will($this->returnValue(true))

        ;

        $logger->pushHandler($handler);

        $processor = $this->getMockBuilder('Monolog\Processor\WebProcessor')

            ->disableOriginalConstructor()

            ->setMethods(array('__invoke'))

            ->getMock()

        ;

        $processor->expects($this->once())

            ->method('__invoke')

            ->will($this->returnArgument(0))

        ;

        $logger->pushProcessor($processor);

        $logger->addError('test');

    }

    /**

     * @covers Monolog\Logger::addRecord

     */

    public function testProcessorsNotCalledWhenNotHandled()

    {

        $logger = new Logger(__METHOD__);

        $handler = $this->getMock('Monolog\Handler\HandlerInterface');

        $handler->expects($this->once())

            ->method('isHandling')

            ->will($this->returnValue(false))

        ;

        $logger->pushHandler($handler);

        $that = $this;

        $logger->pushProcessor(function ($record) use ($that) {

            $that->fail('The processor should not be called');

        });

        $logger->addAlert('test');

    }

    /**

     * @covers Monolog\Logger::addRecord

     */

    public function testHandlersNotCalledBeforeFirstHandling()

    {

        $logger = new Logger(__METHOD__);

        $handler1 = $this->getMock('Monolog\Handler\HandlerInterface');

        $handler1->expects($this->never())

            ->method('isHandling')

            ->will($this->returnValue(false))

        ;

        $handler1->expects($this->once())

            ->method('handle')

            ->will($this->returnValue(false))

        ;

        $logger->pushHandler($handler1);

        $handler2 = $this->getMock('Monolog\Handler\HandlerInterface');

        $handler2->expects($this->once())

            ->method('isHandling')

            ->will($this->returnValue(true))

        ;

        $handler2->expects($this->once())

            ->method('handle')

            ->will($this->returnValue(false))

        ;

        $logger->pushHandler($handler2);

        $handler3 = $this->getMock('Monolog\Handler\HandlerInterface');

        $handler3->expects($this->once())

            ->method('isHandling')

            ->will($this->returnValue(false))

        ;

        $handler3->expects($this->never())

            ->method('handle')

        ;

        $logger->pushHandler($handler3);

        $logger->debug('test');

    }

    /**

     * @covers Monolog\Logger::addRecord

     */

    public function testHandlersNotCalledBeforeFirstHandlingWithAssocArray()

    {

        $handler1 = $this->getMock('Monolog\Handler\HandlerInterface');

        $handler1->expects($this->never())

            ->method('isHandling')

            ->will($this->returnValue(false))

        ;

        $handler1->expects($this->once())

            ->method('handle')

            ->will($this->returnValue(false))

        ;

        $handler2 = $this->getMock('Monolog\Handler\HandlerInterface');

        $handler2->expects($this->once())

            ->method('isHandling')

            ->will($this->returnValue(true))

        ;

        $handler2->expects($this->once())

            ->method('handle')

            ->will($this->returnValue(false))

        ;

        $handler3 = $this->getMock('Monolog\Handler\HandlerInterface');

        $handler3->expects($this->once())

            ->method('isHandling')

            ->will($this->returnValue(false))

        ;

        $handler3->expects($this->never())

            ->method('handle')

        ;

        $logger = new Logger(__METHOD__, array('last' => $handler3, 'second' => $handler2, 'first' => $handler1));

        $logger->debug('test');

    }

    /**

     * @covers Monolog\Logger::addRecord

     */

    public function testBubblingWhenTheHandlerReturnsFalse()

    {

        $logger = new Logger(__METHOD__);

        $handler1 = $this->getMock('Monolog\Handler\HandlerInterface');

        $handler1->expects($this->any())

            ->method('isHandling')

            ->will($this->returnValue(true))

        ;

        $handler1->expects($this->once())

            ->method('handle')

            ->will($this->returnValue(false))

        ;

        $logger->pushHandler($handler1);

        $handler2 = $this->getMock('Monolog\Handler\HandlerInterface');

        $handler2->expects($this->any())

            ->method('isHandling')

            ->will($this->returnValue(true))

        ;

        $handler2->expects($this->once())

            ->method('handle')

            ->will($this->returnValue(false))

        ;

        $logger->pushHandler($handler2);

        $logger->debug('test');

    }

    /**

     * @covers Monolog\Logger::addRecord

     */

    public function testNotBubblingWhenTheHandlerReturnsTrue()

    {

        $logger = new Logger(__METHOD__);

        $handler1 = $this->getMock('Monolog\Handler\HandlerInterface');

        $handler1->expects($this->any())

            ->method('isHandling')

            ->will($this->returnValue(true))

        ;

        $handler1->expects($this->never())

            ->method('handle')

        ;

        $logger->pushHandler($handler1);

        $handler2 = $this->getMock('Monolog\Handler\HandlerInterface');

        $handler2->expects($this->any())

            ->method('isHandling')

            ->will($this->returnValue(true))

        ;

        $handler2->expects($this->once())

            ->method('handle')

            ->will($this->returnValue(true))

        ;

        $logger->pushHandler($handler2);

        $logger->debug('test');

    }

    /**

     * @covers Monolog\Logger::isHandling

     */

    public function testIsHandling()

    {

        $logger = new Logger(__METHOD__);

        $handler1 = $this->getMock('Monolog\Handler\HandlerInterface');

        $handler1->expects($this->any())

            ->method('isHandling')

            ->will($this->returnValue(false))

        ;

        $logger->pushHandler($handler1);

        $this->assertFalse($logger->isHandling(Logger::DEBUG));

        $handler2 = $this->getMock('Monolog\Handler\HandlerInterface');

        $handler2->expects($this->any())

            ->method('isHandling')

            ->will($this->returnValue(true))

        ;

        $logger->pushHandler($handler2);

        $this->assertTrue($logger->isHandling(Logger::DEBUG));

    }

    /**

     * @dataProvider logMethodProvider

     * @covers Monolog\Logger::addDebug

     * @covers Monolog\Logger::addInfo

     * @covers Monolog\Logger::addNotice

     * @covers Monolog\Logger::addWarning

     * @covers Monolog\Logger::addError

     * @covers Monolog\Logger::addCritical

     * @covers Monolog\Logger::addAlert

     * @covers Monolog\Logger::addEmergency

     * @covers Monolog\Logger::debug

     * @covers Monolog\Logger::info

     * @covers Monolog\Logger::notice

     * @covers Monolog\Logger::warn

     * @covers Monolog\Logger::err

     * @covers Monolog\Logger::crit

     * @covers Monolog\Logger::alert

     * @covers Monolog\Logger::emerg

     */

    public function testLogMethods($method, $expectedLevel)

    {

        $logger = new Logger('foo');

        $handler = new TestHandler;

        $logger->pushHandler($handler);

        $logger->{$method}('test');

        list($record) = $handler->getRecords();

        $this->assertEquals($expectedLevel, $record['level']);

    }

    public function logMethodProvider()

    {

        return array(

            // monolog methods

            array('addDebug',     Logger::DEBUG),

            array('addInfo',      Logger::INFO),

            array('addNotice',    Logger::NOTICE),

            array('addWarning',   Logger::WARNING),

            array('addError',     Logger::ERROR),

            array('addCritical',  Logger::CRITICAL),

            array('addAlert',     Logger::ALERT),

            array('addEmergency', Logger::EMERGENCY),

            // ZF/Sf2 compat methods

            array('debug',  Logger::DEBUG),

            array('info',   Logger::INFO),

            array('notice', Logger::NOTICE),

            array('warn',   Logger::WARNING),

            array('err',    Logger::ERROR),

            array('crit',   Logger::CRITICAL),

            array('alert',  Logger::ALERT),

            array('emerg',  Logger::EMERGENCY),

        );

    }

    /**

     * @dataProvider setTimezoneProvider

     * @covers Monolog\Logger::setTimezone

     */

    public function testSetTimezone($tz)

    {

        Logger::setTimezone($tz);

        $logger = new Logger('foo');

        $handler = new TestHandler;

        $logger->pushHandler($handler);

        $logger->info('test');

        list($record) = $handler->getRecords();

        $this->assertEquals($tz, $record['datetime']->getTimezone());

    }

    public function setTimezoneProvider()

    {

        return array_map(

            function ($tz) { return array(new \DateTimeZone($tz)); },

            \DateTimeZone::listIdentifiers()

        );

    }

    /**

     * @dataProvider useMicrosecondTimestampsProvider

     * @covers Monolog\Logger::useMicrosecondTimestamps

     * @covers Monolog\Logger::addRecord

     */

    public function testUseMicrosecondTimestamps($micro, $assert)

    {

        $logger = new Logger('foo');

        $logger->useMicrosecondTimestamps($micro);

        $handler = new TestHandler;

        $logger->pushHandler($handler);

        $logger->info('test');

        list($record) = $handler->getRecords();

        $this->{$assert}('000000', $record['datetime']->format('u'));

    }

    public function useMicrosecondTimestampsProvider()

    {

        return array(

            // this has a very small chance of a false negative (1/10^6)

            'with microseconds' => array(true, 'assertNotSame'),

            'without microseconds' => array(false, PHP_VERSION_ID >= 70100 ? 'assertNotSame' : 'assertSame'),

        );

    }

}