Use MediaWikiCoversValidator for tests that don't use MediaWikiTestCase
[lhc/web/wiklou.git] / tests / phpunit / languages / LanguageCodeTest.php
index 7689ef1..d36f38b 100644 (file)
@@ -6,10 +6,12 @@
  * @group Language
  *
  * @license GPL-2.0+
- * @author Thiemo Mättig
+ * @author Thiemo Kreuz
  */
 class LanguageCodeTest extends PHPUnit_Framework_TestCase {
 
+       use MediaWikiCoversValidator;
+
        public function testConstructor() {
                $instance = new LanguageCode();
 
@@ -43,4 +45,119 @@ class LanguageCodeTest extends PHPUnit_Framework_TestCase {
                $this->assertEquals( null, LanguageCode::replaceDeprecatedCodes( null ) );
        }
 
+       /**
+        * test @see LanguageCode::bcp47().
+        * Please note the BCP 47 explicitly state that language codes are case
+        * insensitive, there are some exceptions to the rule :)
+        * This test is used to verify our formatting against all lower and
+        * all upper cases language code.
+        *
+        * @see https://tools.ietf.org/html/bcp47
+        * @dataProvider provideLanguageCodes()
+        */
+       public function testBcp47( $code, $expected ) {
+               $code = strtolower( $code );
+               $this->assertEquals( $expected, LanguageCode::bcp47( $code ),
+                       "Applying BCP47 standard to lower case '$code'"
+               );
+
+               $code = strtoupper( $code );
+               $this->assertEquals( $expected, LanguageCode::bcp47( $code ),
+                       "Applying BCP47 standard to upper case '$code'"
+               );
+       }
+
+       /**
+        * Array format is ($code, $expected)
+        */
+       public static function provideLanguageCodes() {
+               return [
+                       // Extracted from BCP 47 (list not exhaustive)
+                       # 2.1.1
+                       [ 'en-ca-x-ca', 'en-CA-x-ca' ],
+                       [ 'sgn-be-fr', 'sgn-BE-FR' ],
+                       [ 'az-latn-x-latn', 'az-Latn-x-latn' ],
+                       # 2.2
+                       [ 'sr-Latn-RS', 'sr-Latn-RS' ],
+                       [ 'az-arab-ir', 'az-Arab-IR' ],
+
+                       # 2.2.5
+                       [ 'sl-nedis', 'sl-nedis' ],
+                       [ 'de-ch-1996', 'de-CH-1996' ],
+
+                       # 2.2.6
+                       [
+                               'en-latn-gb-boont-r-extended-sequence-x-private',
+                               'en-Latn-GB-boont-r-extended-sequence-x-private'
+                       ],
+
+                       // Examples from BCP 47 Appendix A
+                       # Simple language subtag:
+                       [ 'DE', 'de' ],
+                       [ 'fR', 'fr' ],
+                       [ 'ja', 'ja' ],
+
+                       # Language subtag plus script subtag:
+                       [ 'zh-hans', 'zh-Hans' ],
+                       [ 'sr-cyrl', 'sr-Cyrl' ],
+                       [ 'sr-latn', 'sr-Latn' ],
+
+                       # Extended language subtags and their primary language subtag
+                       # counterparts:
+                       [ 'zh-cmn-hans-cn', 'zh-cmn-Hans-CN' ],
+                       [ 'cmn-hans-cn', 'cmn-Hans-CN' ],
+                       [ 'zh-yue-hk', 'zh-yue-HK' ],
+                       [ 'yue-hk', 'yue-HK' ],
+
+                       # Language-Script-Region:
+                       [ 'zh-hans-cn', 'zh-Hans-CN' ],
+                       [ 'sr-latn-RS', 'sr-Latn-RS' ],
+
+                       # Language-Variant:
+                       [ 'sl-rozaj', 'sl-rozaj' ],
+                       [ 'sl-rozaj-biske', 'sl-rozaj-biske' ],
+                       [ 'sl-nedis', 'sl-nedis' ],
+
+                       # Language-Region-Variant:
+                       [ 'de-ch-1901', 'de-CH-1901' ],
+                       [ 'sl-it-nedis', 'sl-IT-nedis' ],
+
+                       # Language-Script-Region-Variant:
+                       [ 'hy-latn-it-arevela', 'hy-Latn-IT-arevela' ],
+
+                       # Language-Region:
+                       [ 'de-de', 'de-DE' ],
+                       [ 'en-us', 'en-US' ],
+                       [ 'es-419', 'es-419' ],
+
+                       # Private use subtags:
+                       [ 'de-ch-x-phonebk', 'de-CH-x-phonebk' ],
+                       [ 'az-arab-x-aze-derbend', 'az-Arab-x-aze-derbend' ],
+                       /**
+                        * Previous test does not reflect the BCP 47 which states:
+                        *  az-Arab-x-AZE-derbend
+                        * AZE being private, it should be lower case, hence the test above
+                        * should probably be:
+                        * [ 'az-arab-x-aze-derbend', 'az-Arab-x-AZE-derbend' ],
+                        */
+
+                       # Private use registry values:
+                       [ 'x-whatever', 'x-whatever' ],
+                       [ 'qaa-qaaa-qm-x-southern', 'qaa-Qaaa-QM-x-southern' ],
+                       [ 'de-qaaa', 'de-Qaaa' ],
+                       [ 'sr-latn-qm', 'sr-Latn-QM' ],
+                       [ 'sr-qaaa-rs', 'sr-Qaaa-RS' ],
+
+                       # Tags that use extensions
+                       [ 'en-us-u-islamcal', 'en-US-u-islamcal' ],
+                       [ 'zh-cn-a-myext-x-private', 'zh-CN-a-myext-x-private' ],
+                       [ 'en-a-myext-b-another', 'en-a-myext-b-another' ],
+
+                       # Invalid:
+                       // de-419-DE
+                       // a-DE
+                       // ar-a-aaa-b-bbb-a-ccc
+               ];
+       }
+
 }