Passed
Push — master ( 079aca...05e9ba )
by Jeroen De
04:40
created

assertFindsAnotherJsonLine()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 3

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 3
rs 10
c 0
b 0
f 0
cc 1
nc 1
nop 1
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<?php
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declare( strict_types = 1 );
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namespace Wikibase\JsonDumpReader\Tests\Unit\Reader;
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use PHPUnit\Framework\TestCase;
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use Wikibase\JsonDumpReader\Reader\ExtractedDumpReader;
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/**
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 * @covers \Wikibase\JsonDumpReader\Reader\ExtractedDumpReader
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 *
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 * @licence GNU GPL v2+
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 * @author Jeroen De Dauw < [email protected] >
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 */
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class ExtractedDumpReaderTest extends TestCase {
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	private function assertFindsAnotherJsonLine( ExtractedDumpReader $reader ) {
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		$this->assertJson( $reader->nextJsonLine() );
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	}
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	private function assertFindsEntity( ExtractedDumpReader $reader, $expectedId ) {
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		$line = $reader->nextJsonLine();
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		$this->assertJson( $line );
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		$this->assertContains( $expectedId, $line );
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	}
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	public function testGivenFileWithNoEntities_nullIsReturned() {
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		$reader = new ExtractedDumpReader( ( new \JsonDumpData() )->getEmptyDumpPath() );
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		$this->assertNull( $reader->nextJsonLine() );
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	}
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	public function testGivenFileWithOneEntity_oneEntityIsFound() {
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		$reader = new ExtractedDumpReader( ( new \JsonDumpData() )->getOneItemDumpPath() );
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		$this->assertFindsAnotherJsonLine( $reader );
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		$this->assertNull( $reader->nextJsonLine() );
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	}
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	public function testGivenFileWithFiveEntities_fiveEntityAreFound() {
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		$reader = new ExtractedDumpReader( ( new \JsonDumpData() )->getFiveEntitiesDumpPath() );
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		$this->assertFindsAnotherJsonLine( $reader );
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		$this->assertFindsAnotherJsonLine( $reader );
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		$this->assertFindsAnotherJsonLine( $reader );
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		$this->assertFindsAnotherJsonLine( $reader );
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		$this->assertFindsAnotherJsonLine( $reader );
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		$this->assertNull( $reader->nextJsonLine() );
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	}
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	public function testRewind() {
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		$reader = new ExtractedDumpReader( ( new \JsonDumpData() )->getOneItemDumpPath() );
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		$this->assertFindsAnotherJsonLine( $reader );
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		$reader->rewind();
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		$this->assertFindsAnotherJsonLine( $reader );
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		$this->assertNull( $reader->nextJsonLine() );
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	}
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	public function testResumeFromPosition() {
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		$reader = new ExtractedDumpReader( ( new \JsonDumpData() )->getFiveEntitiesDumpPath() );
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		$this->assertFindsEntity( $reader, 'Q1' );
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		$this->assertFindsEntity( $reader, 'Q8' );
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		$position = $reader->getPosition();
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		unset( $reader );
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		$newReader = new ExtractedDumpReader( ( new \JsonDumpData() )->getFiveEntitiesDumpPath() );
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		$newReader->seekToPosition( $position );
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		$this->assertFindsEntity( $newReader, 'P16' );
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	}
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	public function testFindsAllEntitiesInBigFile() {
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		$reader = new ExtractedDumpReader( ( new \JsonDumpData() )->getOneThousandEntitiesDumpPath() );
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		foreach ( range( 0, 999 ) as $i ) {
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			$this->assertFindsAnotherJsonLine( $reader );
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		}
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		$this->assertNull( $reader->nextJsonLine() );
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	}
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}