--- /dev/null
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\Tests\Log;
+
+use PHPUnit\Framework\TestCase;
+use Psr\Log\LoggerInterface;
+use Psr\Log\LogLevel;
+use Symfony\Component\HttpKernel\Log\Logger;
+
+/**
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ */
+class LoggerTest extends TestCase
+{
+ /**
+ * @var LoggerInterface
+ */
+ private $logger;
+
+ /**
+ * @var string
+ */
+ private $tmpFile;
+
+ protected function setUp()
+ {
+ $this->tmpFile = sys_get_temp_dir().DIRECTORY_SEPARATOR.'log';
+ $this->logger = new Logger(LogLevel::DEBUG, $this->tmpFile);
+ }
+
+ protected function tearDown()
+ {
+ if (!@unlink($this->tmpFile)) {
+ file_put_contents($this->tmpFile, '');
+ }
+ }
+
+ public static function assertLogsMatch(array $expected, array $given)
+ {
+ foreach ($given as $k => $line) {
+ self::assertThat(1 === preg_match('/[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}[\+-][0-9]{2}:[0-9]{2} '.preg_quote($expected[$k]).'/', $line), self::isTrue(), "\"$line\" do not match expected pattern \"$expected[$k]\"");
+ }
+ }
+
+ /**
+ * Return the log messages in order.
+ *
+ * @return string[]
+ */
+ public function getLogs()
+ {
+ return file($this->tmpFile, FILE_IGNORE_NEW_LINES);
+ }
+
+ public function testImplements()
+ {
+ $this->assertInstanceOf(LoggerInterface::class, $this->logger);
+ }
+
+ /**
+ * @dataProvider provideLevelsAndMessages
+ */
+ public function testLogsAtAllLevels($level, $message)
+ {
+ $this->logger->{$level}($message, array('user' => 'Bob'));
+ $this->logger->log($level, $message, array('user' => 'Bob'));
+
+ $expected = array(
+ "[$level] message of level $level with context: Bob",
+ "[$level] message of level $level with context: Bob",
+ );
+ $this->assertLogsMatch($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}'),
+ );
+ }
+
+ public function testLogLevelDisabled()
+ {
+ $this->logger = new Logger(LogLevel::INFO, $this->tmpFile);
+
+ $this->logger->debug('test', array('user' => 'Bob'));
+ $this->logger->log(LogLevel::DEBUG, 'test', array('user' => 'Bob'));
+
+ // Will always be true, but asserts than an exception isn't thrown
+ $this->assertSame(array(), $this->getLogs());
+ }
+
+ /**
+ * @expectedException \Psr\Log\InvalidArgumentException
+ */
+ public function testThrowsOnInvalidLevel()
+ {
+ $this->logger->log('invalid level', 'Foo');
+ }
+
+ /**
+ * @expectedException \Psr\Log\InvalidArgumentException
+ */
+ public function testThrowsOnInvalidMinLevel()
+ {
+ new Logger('invalid');
+ }
+
+ /**
+ * @expectedException \Psr\Log\InvalidArgumentException
+ */
+ public function testInvalidOutput()
+ {
+ new Logger(LogLevel::DEBUG, '/');
+ }
+
+ public function testContextReplacement()
+ {
+ $logger = $this->logger;
+ $logger->info('{Message {nothing} {user} {foo.bar} a}', array('user' => 'Bob', 'foo.bar' => 'Bar'));
+
+ $expected = array('[info] {Message {nothing} Bob Bar a}');
+ $this->assertLogsMatch($expected, $this->getLogs());
+ }
+
+ public function testObjectCastToString()
+ {
+ if (method_exists($this, 'createPartialMock')) {
+ $dummy = $this->createPartialMock(DummyTest::class, array('__toString'));
+ } else {
+ $dummy = $this->getMock(DummyTest::class, array('__toString'));
+ }
+ $dummy->expects($this->atLeastOnce())
+ ->method('__toString')
+ ->will($this->returnValue('DUMMY'));
+
+ $this->logger->warning($dummy);
+
+ $expected = array('[warning] DUMMY');
+ $this->assertLogsMatch($expected, $this->getLogs());
+ }
+
+ public function testContextCanContainAnything()
+ {
+ $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'),
+ );
+
+ $this->logger->warning('Crazy context data', $context);
+
+ $expected = array('[warning] Crazy context data');
+ $this->assertLogsMatch($expected, $this->getLogs());
+ }
+
+ public function testContextExceptionKeyCanBeExceptionOrOtherValues()
+ {
+ $logger = $this->logger;
+ $logger->warning('Random message', array('exception' => 'oops'));
+ $logger->critical('Uncaught Exception!', array('exception' => new \LogicException('Fail')));
+
+ $expected = array(
+ '[warning] Random message',
+ '[critical] Uncaught Exception!',
+ );
+ $this->assertLogsMatch($expected, $this->getLogs());
+ }
+
+ public function testFormatter()
+ {
+ $this->logger = new Logger(LogLevel::DEBUG, $this->tmpFile, function ($level, $message, $context) {
+ return json_encode(array('level' => $level, 'message' => $message, 'context' => $context)).\PHP_EOL;
+ });
+
+ $this->logger->error('An error', array('foo' => 'bar'));
+ $this->logger->warning('A warning', array('baz' => 'bar'));
+ $this->assertSame(array(
+ '{"level":"error","message":"An error","context":{"foo":"bar"}}',
+ '{"level":"warning","message":"A warning","context":{"baz":"bar"}}',
+ ), $this->getLogs());
+ }
+}
+
+class DummyTest
+{
+ public function __toString()
+ {
+ }
+}
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