LocalisationCacheTest.php
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LocalisationCacheTest.php
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	<?php

	declare( strict_types = 1 );

	namespace MediaWiki\Tests\Unit\Language;

	use LocalisationCache;
	use MediaWikiUnitTestCase;
	use Wikimedia\TestingAccessWrapper;

	/**
	* @covers \LocalisationCache
	* @group Language
	*/
	class LocalisationCacheTest extends MediaWikiUnitTestCase {

	public function testAllKeysSplitIntoCoreOnlyAndNonCoreOnly(): void {
	$coreOnlyKeys = TestingAccessWrapper::constant( LocalisationCache::class, 'CORE_ONLY_KEYS' );
	$allExceptCoreOnlyKeys = TestingAccessWrapper::constant( LocalisationCache::class, 'ALL_EXCEPT_CORE_ONLY_KEYS' );
	$this->assertSame( [],
	array_diff( $coreOnlyKeys, LocalisationCache::ALL_KEYS ),
	'core-only keys must be subset of all keys' );
	$this->assertSame( [],
	array_diff( $allExceptCoreOnlyKeys, LocalisationCache::ALL_KEYS ),
	'keys that are not core-only must be subset of all keys' );
	$this->assertSame( [],
	array_intersect( $coreOnlyKeys, $allExceptCoreOnlyKeys ),
	'core-only and other keys must not overlap' );
	$this->assertSame( [],
	array_diff( LocalisationCache::ALL_KEYS, array_merge(
	$coreOnlyKeys,
	$allExceptCoreOnlyKeys
	) ),
	'core-only keys + all keys except them must contain all keys' );
	}

	public function testCoreOnlyKeysNotMergeable(): void {
	$coreOnlyKeys = TestingAccessWrapper::constant( LocalisationCache::class, 'CORE_ONLY_KEYS' );
	$lc = TestingAccessWrapper::newFromClass( LocalisationCache::class );
	foreach ( $coreOnlyKeys as $key ) {
	$this->assertFalse( $lc->isMergeableKey( $key ),
	'it does not make sense for core-only keys to be mergeable' );
	}
	}

	}