Passed
Push — master ( 80395d...915f9b )
by Jeroen De
01:15
created

testReturnsSameValueAsInnerFetcher()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 13

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 13
rs 9.8333
c 0
b 0
f 0
cc 1
nc 1
nop 0
1
<?php
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declare( strict_types = 1 );
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namespace FileFetcher\Tests\Unit;
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use FileFetcher\CallbackFileFetcher;
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use FileFetcher\FileFetchingException;
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use FileFetcher\InMemoryFileFetcher;
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use FileFetcher\StopwatchFileFetcher;
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use FileFetcher\ThrowingFileFetcher;
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use PHPUnit\Framework\TestCase;
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use Symfony\Component\Stopwatch\Stopwatch;
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/**
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 * @covers \FileFetcher\StopwatchFileFetcher
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 */
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class StopwatchFileFetcherTest extends TestCase {
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	private const STOPWATCH_CATEGORY = 'file_fetcher';
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	public function testReturnsSameValueAsInnerFetcher() {
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		$fetcher = new StopwatchFileFetcher(
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			new InMemoryFileFetcher( [
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				'testFile' => 'MJAU'
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			] ),
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			new Stopwatch()
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		);
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		$this->assertSame(
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			'MJAU',
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			$fetcher->fetchFile( 'testFile' )
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		);
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	}
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	public function testRecordsFetching() {
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		$stopwatch = new Stopwatch();
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		$fetcher = new StopwatchFileFetcher(
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			new InMemoryFileFetcher( [
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				'testFile' => 'MJAU'
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			] ),
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			$stopwatch
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		);
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		$fetcher->fetchFile( 'testFile' );
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		$this->assertSame(
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			self::STOPWATCH_CATEGORY,
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			$stopwatch->getEvent( 'testFile' )->getCategory()
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		);
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	}
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	public function testRecordsFetchingWhenAnExceptionIsThrown() {
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		$stopwatch = $this->createMock( Stopwatch::class );
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		$stopwatch->expects( $this->once() )->method( 'start' );
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		$stopwatch->expects( $this->once() )->method( 'stop' );
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		$fetcher = new StopwatchFileFetcher(
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			new ThrowingFileFetcher(),
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			$stopwatch
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		);
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		$this->expectException( FileFetchingException::class );
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		$fetcher->fetchFile( 'testFile' );
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	}
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	public function testDurationIsRecorded() {
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		$stopwatch = new Stopwatch();
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		$fetcher = new StopwatchFileFetcher(
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			new CallbackFileFetcher( function() {
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				usleep( 1000 );
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				return '';
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			} ),
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			$stopwatch
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		);
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		$fetcher->fetchFile( 'testFile' );
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		$this->assertGreaterThanOrEqual(
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			1,
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			$stopwatch->getEvent( 'testFile' )->getDuration()
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		);
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	}
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	public function testCustomCategoryIsUsed() {
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		$stopwatch = new Stopwatch();
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		$fetcher = new StopwatchFileFetcher(
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			new InMemoryFileFetcher( [
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				'testFile' => 'MJAU'
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			] ),
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			$stopwatch,
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			'customCategory'
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		);
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		$fetcher->fetchFile( 'testFile' );
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		$this->assertSame(
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			'customCategory',
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			$stopwatch->getEvent( 'testFile' )->getCategory()
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		);
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	}
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}
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