<?php
namespace Psr\Log\Test;
use Psr\Log\LoggerInterface;
use Psr\Log\LogLevel;
use PHPUnit\Framework\TestCase;
/**
* Provides a base test class for ensuring compliance with the LoggerInterface.
*
* Implementors can extend the class and implement abstract methods to run this
* as part of their test suite.
*/
abstract class LoggerInterfaceTest extends TestCase
{
/**
* @return LoggerInterface
*/
abstract public function getLogger();
/**
* This must return the log messages in order.
*
* The simple formatting of the messages is: "<LOG LEVEL> <MESSAGE>".
*
* Example ->error('Foo') would yield "error Foo".
*
* @return string[]
*/
abstract public function getLogs();
public function testImplements()
{
$this->assertInstanceOf('Psr\Log\LoggerInterface', $this->getLogger());
}
/**
* @dataProvider provideLevelsAndMessages
*/
public function testLogsAtAllLevels($level, $message)
{
$logger = $this->getLogger();
$logger->{$level}($message, array('user' => 'Bob'));
$logger->log($level, $message, array('user' => 'Bob'));
$expected = array(
$level.' message of level '.$level.' with context: Bob',
$level.' message of level '.$level.' with context: Bob',
);
$this->assertEquals($expected, $this->getLogs());
}
public function provideLevelsAndMessages()
{
return array(
LogLevel::EMERGENCY => array(LogLevel::EMERGENCY, 'message of level emergency with context: {user}'),
LogLevel::ALERT => array(LogLevel::ALERT, 'message of level alert with context: {user}'),
LogLevel::CRITICAL => array(LogLevel::CRITICAL, 'message of level critical with context: {user}'),
LogLevel::ERROR => array(LogLevel::ERROR, 'message of level error with context: {user}'),
LogLevel::WARNING => array(LogLevel::WARNING, 'message of level warning with context: {user}'),
LogLevel::NOTICE => array(LogLevel::NOTICE, 'message of level notice with context: {user}'),
LogLevel::INFO => array(LogLevel::INFO, 'message of level info with context: {user}'),
LogLevel::DEBUG => array(LogLevel::DEBUG, 'message of level debug with context: {user}'),
);
}
/**
* @expectedException \Psr\Log\InvalidArgumentException
*/
public function testThrowsOnInvalidLevel()
{
$logger = $this->getLogger();
$logger->log('invalid level', 'Foo');
}
public function testContextReplacement()
{
$logger = $this->getLogger();
$logger->info('{Message {nothing} {user} {foo.bar} a}', array('user' => 'Bob', 'foo.bar' => 'Bar'));
$expected = array('info {Message {nothing} Bob Bar a}');
$this->assertEquals($expected, $this->getLogs());
}
public function testObjectCastToString()
{
if (method_exists($this, 'createPartialMock')) {
$dummy = $this->createPartialMock('Psr\Log\Test\DummyTest', array('__toString'));
} else {
$dummy = $this->getMock('Psr\Log\Test\DummyTest', array('__toString'));
}
$dummy->expects($this->once())
->method('__toString')
->will($this->returnValue('DUMMY'));
$this->getLogger()->warning($dummy);
$expected = array('warning DUMMY');
$this->assertEquals($expected, $this->getLogs());
}
public function testContextCanContainAnything()
{
$closed = fopen('php://memory', 'r');
fclose($closed);
$context = array(
'bool' => true,
'null' => null,
'string' => 'Foo',
'int' => 0,
'float' => 0.5,
'nested' => array('with object' => new DummyTest),
'object' => new \DateTime,
'resource' => fopen('php://memory', 'r'),
'closed' => $closed,
);
$this->getLogger()->warning('Crazy context data', $context);
$expected = array('warning Crazy context data');
$this->assertEquals($expected, $this->getLogs());
}
public function testContextExceptionKeyCanBeExceptionOrOtherValues()
{
$logger = $this->getLogger();
$logger->warning('Random message', array('exception' => 'oops'));
$logger->critical('Uncaught Exception!', array('exception' => new \LogicException('Fail')));
$expected = array(
'warning Random message',
'critical Uncaught Exception!'
);
$this->assertEquals($expected, $this->getLogs());
}
}