FileContentsHasherTest.php
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FileContentsHasherTest.php
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	<?php

	/**
	* @covers \FileContentsHasher
	*/
	class FileContentsHasherTest extends PHPUnit\Framework\TestCase {

	use MediaWikiCoversValidator;

	public static function provideSingleFile() {
	return array_map( static function ( $file ) {
	return [ $file, file_get_contents( $file ) ];
	}, glob( __DIR__ . '/../../data/filecontentshasher/.' ) );
	}

	/**
	* @dataProvider provideSingleFile
	*/
	public function testSingleFileHash( $fileName, $contents ) {
	$expected = hash( 'md4', $contents );
	$actualHash = FileContentsHasher::getFileContentsHash( $fileName );
	$this->assertEquals( $expected, $actualHash );

	$actualHashRepeat = FileContentsHasher::getFileContentsHash( $fileName );
	$this->assertEquals( $expected, $actualHashRepeat );
	}

	public function provideMultipleFiles() {
	return [
	[ $this->provideSingleFile() ]
	];
	}

	/**
	* @dataProvider provideMultipleFiles
	*/
	public function testMultipleFileHash( $files ) {
	$fileNames = [];
	$hashes = [];
	foreach ( $files as [ $fileName, $contents ] ) {
	$fileNames[] = $fileName;
	$hashes[] = hash( 'md4', $contents );
	}

	$expectedHash = hash( 'md4', implode( '', $hashes ) );
	$actualHash = FileContentsHasher::getFileContentsHash( $fileNames );
	$this->assertEquals( $expectedHash, $actualHash );

	$actualHashRepeat = FileContentsHasher::getFileContentsHash( $fileNames );
	$this->assertEquals( $expectedHash, $actualHashRepeat );
	}
	}