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by Jeroen De
35s
created

testGivenFailingFileFetcher_theExceptionIsLogged()   A

Complexity

Conditions 2
Paths 3

Size

Total Lines 20
Code Lines 13

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
dl 0
loc 20
rs 9.4285
c 1
b 0
f 0
cc 2
eloc 13
nc 3
nop 0
1
<?php
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declare( strict_types = 1 );
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namespace FileFetcher\Tests\Phpunit;
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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 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 GNU GPL v2+
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 * @author Gabriel Birke < [email protected] >
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 */
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class ErrorLoggingFileFetcherTest extends TestCase {
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	public function testGivenSucceedingFileFetcher_itsContentIsReturned() {
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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 testGivenFailingFileFetcher_anExceptionIsThrown() {
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		$errorLoggingFileFetcher = new ErrorLoggingFileFetcher(
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			new InMemoryFileFetcher( [] ),
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			new NullLogger()
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		);
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		$this->expectException( FileFetchingException::class );
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		$errorLoggingFileFetcher->fetchFile( 'song.txt' );
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	}
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	public function testGivenFailingFileFetcher_theExceptionIsLogged() {
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		$logger = new LoggerSpy();
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		$fileFetcher = new ErrorLoggingFileFetcher(
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			new InMemoryFileFetcher( [] ),
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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 InMemoryFileFetcher( [] ),
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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 ) {
0 ignored issues
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Coding Style Comprehensibility introduced by jeroendedauw
Consider adding a comment why this CATCH block is empty.
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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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