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<?php |
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declare( strict_types = 1 ); |
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namespace FileFetcher\Tests\Unit; |
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use FileFetcher\ErrorLoggingFileFetcher; |
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use FileFetcher\FileFetchingException; |
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use FileFetcher\InMemoryFileFetcher; |
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use FileFetcher\ThrowingFileFetcher; |
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use PHPUnit\Framework\TestCase; |
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use Psr\Log\LogLevel; |
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use Psr\Log\NullLogger; |
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use WMDE\PsrLogTestDoubles\LoggerSpy; |
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/** |
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* @license BSD-3-Clause |
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* @author Gabriel Birke < [email protected] > |
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* @author Jeroen De Dauw < [email protected] > |
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*/ |
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class ErrorLoggingFileFetcherTest extends TestCase { |
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public function testWhenWrappedFetcherReturnsValue_itIsReturned() { |
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$logger = new LoggerSpy(); |
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$fileFetcher = new ErrorLoggingFileFetcher( |
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new InMemoryFileFetcher( [ 'song.txt' => 'I\'m a little teapot' ] ), |
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$logger |
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); |
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$this->assertSame( 'I\'m a little teapot', $fileFetcher->fetchFile( 'song.txt' ) ); |
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$logger->assertNoLoggingCallsWhereMade(); |
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} |
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public function testWhenWrappedFetcherThrowsAnException_itIsRethrown() { |
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$errorLoggingFileFetcher = new ErrorLoggingFileFetcher( |
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new ThrowingFileFetcher(), |
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new NullLogger() |
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); |
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$invalidFilePath = 'song.txt'; |
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$this->expectException( FileFetchingException::class ); |
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$this->expectExceptionMessage( 'Could not fetch file: ' . $invalidFilePath ); |
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$errorLoggingFileFetcher->fetchFile( $invalidFilePath ); |
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} |
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public function testWhenWrappedFetcherThrowsAnException_theExceptionIsLogged() { |
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$logger = new LoggerSpy(); |
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$fileFetcher = new ErrorLoggingFileFetcher( |
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new ThrowingFileFetcher(), |
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$logger |
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); |
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// @codingStandardsIgnoreStart |
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try { |
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$fileFetcher->fetchFile( 'song.txt' ); |
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$this->fail( 'Should have thrown a FileFetchingException' ); |
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} catch ( FileFetchingException $e ) { |
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} |
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// @codingStandardsIgnoreEnd |
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$calls = $logger->getLogCalls(); |
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$this->assertCount( 1, $calls ); |
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$this->assertArrayHasKey( 'exception', $calls->getFirstCall()->getContext() ); |
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$this->assertSame( LogLevel::ERROR, $calls->getFirstCall()->getLevel() ); |
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} |
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public function testGivenLogLevel_exceptionsAreLoggedAtThisLevel() { |
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$logger = new LoggerSpy(); |
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$fileFetcher = new ErrorLoggingFileFetcher( |
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new ThrowingFileFetcher(), |
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$logger, |
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LogLevel::CRITICAL |
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); |
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// @codingStandardsIgnoreStart |
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try { |
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$fileFetcher->fetchFile( 'song.txt' ); |
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} catch ( FileFetchingException $e ) { |
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} |
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// @codingStandardsIgnoreEnd |
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$this->assertSame( LogLevel::CRITICAL, $logger->getLogCalls()->getFirstCall()->getLevel() ); |
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} |
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} |
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JeroenDeDauw /
FileFetcher
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