1 files changed, 78 insertions, 0 deletions
diff --git a/www/wiki/tests/phpunit/includes/specials/SpecialMyLanguageTest.php b/www/wiki/tests/phpunit/includes/specials/SpecialMyLanguageTest.php
new file mode 100644
index 00000000..84fa71a2
--- /dev/null
+++ b/www/wiki/tests/phpunit/includes/specials/SpecialMyLanguageTest.php
@@ -0,0 +1,78 @@
+<?php
+
+/**
+ * @group Database
+ * @covers SpecialMyLanguage
+ */
+class SpecialMyLanguageTest extends MediaWikiTestCase {
+	public function addDBDataOnce() {
+		$titles = [
+			'Page/Another',
+			'Page/Another/ar',
+			'Page/Another/en',
+			'Page/Another/ru',
+			'Page/Another/zh-hans',
+		];
+		foreach ( $titles as $title ) {
+			$page = WikiPage::factory( Title::newFromText( $title ) );
+			if ( $page->getId() == 0 ) {
+				$page->doEditContent(
+					new WikitextContent( 'UTContent' ),
+					'UTPageSummary',
+					EDIT_NEW,
+					false,
+					User::newFromName( 'UTSysop' ) );
+			}
+		}
+	}
+
+	/**
+	 * @covers SpecialMyLanguage::findTitle
+	 * @dataProvider provideFindTitle
+	 * @param string $expected
+	 * @param string $subpage
+	 * @param string $langCode
+	 * @param string $userLang
+	 */
+	public function testFindTitle( $expected, $subpage, $langCode, $userLang ) {
+		$this->setMwGlobals( 'wgLanguageCode', $langCode );
+		$special = new SpecialMyLanguage();
+		$special->getContext()->setLanguage( $userLang );
+		// Test with subpages both enabled and disabled
+		$this->mergeMwGlobalArrayValue( 'wgNamespacesWithSubpages', [ NS_MAIN => true ] );
+		$this->assertTitle( $expected, $special->findTitle( $subpage ) );
+		$this->mergeMwGlobalArrayValue( 'wgNamespacesWithSubpages', [ NS_MAIN => false ] );
+		$this->assertTitle( $expected, $special->findTitle( $subpage ) );
+	}
+
+	/**
+	 * @param string $expected
+	 * @param Title|null $title
+	 */
+	private function assertTitle( $expected, $title ) {
+		if ( $title ) {
+			$title = $title->getPrefixedText();
+		}
+		$this->assertEquals( $expected, $title );
+	}
+
+	public static function provideFindTitle() {
+		// See addDBDataOnce() for page declarations
+		return [
+			// [ $expected, $subpage, $langCode, $userLang ]
+			[ null, '::Fail', 'en', 'en' ],
+			[ 'Page/Another', 'Page/Another/en', 'en', 'en' ],
+			[ 'Page/Another', 'Page/Another', 'en', 'en' ],
+			[ 'Page/Another/ru', 'Page/Another', 'en', 'ru' ],
+			[ 'Page/Another', 'Page/Another', 'en', 'es' ],
+			[ 'Page/Another/zh-hans', 'Page/Another', 'en', 'zh-hans' ],
+			[ 'Page/Another/zh-hans', 'Page/Another', 'en', 'zh-mo' ],
+			[ 'Page/Another/en', 'Page/Another', 'de', 'es' ],
+			[ 'Page/Another/ar', 'Page/Another', 'en', 'ar' ],
+			[ 'Page/Another/ar', 'Page/Another', 'en', 'arz' ],
+			[ 'Page/Another/ar', 'Page/Another/de', 'en', 'arz' ],
+			[ 'Page/Another/ru', 'Page/Another/ru', 'en', 'arz' ],
+			[ 'Page/Another/ar', 'Page/Another/ru', 'en', 'ar' ],
+		];
+	}
+}