Add test for audio stream languages.

extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/stream/YoutubeStreamExtractorDefaultTest.java

@@ -23,6 +23,7 @@ package org.schabi.newpipe.extractor.services.youtube.stream;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.schabi.newpipe.extractor.ServiceList.YouTube;
 
 import org.junit.jupiter.api.BeforeAll;
@@ -42,6 +43,7 @@ import org.schabi.newpipe.extractor.exceptions.YoutubeMusicPremiumContentExcepti
 import org.schabi.newpipe.extractor.services.DefaultStreamExtractorTest;
 import org.schabi.newpipe.extractor.services.youtube.YoutubeTestsUtils;
 import org.schabi.newpipe.extractor.services.youtube.extractors.YoutubeStreamExtractor;
+import org.schabi.newpipe.extractor.stream.AudioStream;
 import org.schabi.newpipe.extractor.stream.Description;
 import org.schabi.newpipe.extractor.stream.StreamExtractor;
 import org.schabi.newpipe.extractor.stream.StreamSegment;
@@ -464,4 +466,35 @@ public class YoutubeStreamExtractorDefaultTest {
             assertEquals("Creative Commons Attribution licence (reuse allowed)", extractor.getLicence());
         }
     }
+
+    public static class AudioTrackLanguage {
+
+        private static final String ID = "kX3nB4PpJko";
+        private static final String URL = BASE_URL + ID;
+        private static StreamExtractor extractor;
+
+        @BeforeAll
+        public static void setUp() throws Exception {
+            YoutubeTestsUtils.ensureStateless();
+            NewPipe.init(DownloaderFactory.getDownloader(RESOURCE_PATH + "audioTrack"));
+            extractor = YouTube.getStreamExtractor(URL);
+            extractor.fetchPage();
+        }
+
+        @Test
+        void testCheckAudioStreams() throws Exception {
+            assertTrue(extractor.getAudioStreams().size() > 0);
+
+            for (final AudioStream audioStream : extractor.getAudioStreams()) {
+                assertNotNull(audioStream.getAudioTrackName());
+            }
+
+            assertTrue(
+                    extractor.getAudioStreams()
+                            .stream()
+                            .anyMatch(audioStream -> audioStream.getAudioTrackName().equals("English"))
+            );
+        }
+
+    }
 }

extractor/src/test/resources/org/schabi/newpipe/extractor/services/youtube/extractor/stream/audioTrack/generated_mock_0.json

@@ -0,0 +1,72 @@
+{
+  "request": {
+    "httpMethod": "GET",
+    "url": "https://www.youtube.com/iframe_api",
+    "headers": {
+      "Accept-Language": [
+        "en-GB, en;q\u003d0.9"
+      ]
+    },
+    "localization": {
+      "languageCode": "en",
+      "countryCode": "GB"
+    }
+  },
+  "response": {
+    "responseCode": 200,
+    "responseMessage": "",
+    "responseHeaders": {
+      "alt-svc": [
+        "h3\u003d\":443\"; ma\u003d2592000,h3-29\u003d\":443\"; ma\u003d2592000,h3-Q050\u003d\":443\"; ma\u003d2592000,h3-Q046\u003d\":443\"; ma\u003d2592000,h3-Q043\u003d\":443\"; ma\u003d2592000,quic\u003d\":443\"; ma\u003d2592000; v\u003d\"46,43\""
+      ],
+      "cache-control": [
+        "private, max-age\u003d0"
+      ],
+      "content-type": [
+        "text/javascript; charset\u003dutf-8"
+      ],
+      "cross-origin-opener-policy-report-only": [
+        "same-origin; report-to\u003d\"youtube_main\""
+      ],
+      "cross-origin-resource-policy": [
+        "cross-origin"
+      ],
+      "date": [
+        "Sun, 13 Nov 2022 23:10:02 GMT"
+      ],
+      "expires": [
+        "Sun, 13 Nov 2022 23:10:02 GMT"
+      ],
+      "p3p": [
+        "CP\u003d\"This is not a P3P policy! See http://support.google.com/accounts/answer/151657?hl\u003den-GB for more info.\""
+      ],
+      "permissions-policy": [
+        "ch-ua-arch\u003d*, ch-ua-bitness\u003d*, ch-ua-full-version\u003d*, ch-ua-full-version-list\u003d*, ch-ua-model\u003d*, ch-ua-wow64\u003d*, ch-ua-platform\u003d*, ch-ua-platform-version\u003d*"
+      ],
+      "report-to": [
+        "{\"group\":\"youtube_main\",\"max_age\":2592000,\"endpoints\":[{\"url\":\"https://csp.withgoogle.com/csp/report-to/youtube_main\"}]}"
+      ],
+      "server": [
+        "ESF"
+      ],
+      "set-cookie": [
+        "YSC\u003dvUst81-3DYY; Domain\u003d.youtube.com; Path\u003d/; Secure; HttpOnly; SameSite\u003dnone",
+        "VISITOR_INFO1_LIVE\u003dvcz7Oi5zbD4; Domain\u003d.youtube.com; Expires\u003dFri, 12-May-2023 23:10:02 GMT; Path\u003d/; Secure; HttpOnly; SameSite\u003dnone"
+      ],
+      "strict-transport-security": [
+        "max-age\u003d31536000"
+      ],
+      "x-content-type-options": [
+        "nosniff"
+      ],
+      "x-frame-options": [
+        "SAMEORIGIN"
+      ],
+      "x-xss-protection": [
+        "0"
+      ]
+    },
+    "responseBody": "var scriptUrl \u003d \u0027https:\\/\\/www.youtube.com\\/s\\/player\\/c4225c42\\/www-widgetapi.vflset\\/www-widgetapi.js\u0027;try{var ttPolicy\u003dwindow.trustedTypes.createPolicy(\"youtube-widget-api\",{createScriptURL:function(x){return x}});scriptUrl\u003dttPolicy.createScriptURL(scriptUrl)}catch(e){}var YT;if(!window[\"YT\"])YT\u003d{loading:0,loaded:0};var YTConfig;if(!window[\"YTConfig\"])YTConfig\u003d{\"host\":\"https://www.youtube.com\"};\nif(!YT.loading){YT.loading\u003d1;(function(){var l\u003d[];YT.ready\u003dfunction(f){if(YT.loaded)f();else l.push(f)};window.onYTReady\u003dfunction(){YT.loaded\u003d1;for(var i\u003d0;i\u003cl.length;i++)try{l[i]()}catch(e$0){}};YT.setConfig\u003dfunction(c){for(var k in c)if(c.hasOwnProperty(k))YTConfig[k]\u003dc[k]};var a\u003ddocument.createElement(\"script\");a.type\u003d\"text/javascript\";a.id\u003d\"www-widgetapi-script\";a.src\u003dscriptUrl;a.async\u003dtrue;var c\u003ddocument.currentScript;if(c){var n\u003dc.nonce||c.getAttribute(\"nonce\");if(n)a.setAttribute(\"nonce\",n)}var b\u003d\ndocument.getElementsByTagName(\"script\")[0];b.parentNode.insertBefore(a,b)})()};\n",
+    "latestUrl": "https://www.youtube.com/iframe_api"
+  }
+}