add testcase for YoutubeSearchEngine

app/src/androidTest/java/org/schabi/newpipe/services/youtube/YoutubeSearchEngineTest.java

@@ -0,0 +1,66 @@
+package org.schabi.newpipe.services.youtube;
+
+import android.test.AndroidTestCase;
+
+import org.schabi.newpipe.services.SearchEngine;
+
+/**
+ * Created by the-scrabi on 29.12.15.
+ *
+ * Copyright (C) Christian Schabesberger 2015 <chris.schabesberger@mailbox.org>
+ * DetailsMenuHandler.java is part of NewPipe.
+ *
+ * NewPipe is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * NewPipe is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with NewPipe.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+public class YoutubeSearchEngineTest extends AndroidTestCase {
+
+    SearchEngine engine;
+    SearchEngine.Result result;
+
+    @Override
+    public void setUp() throws Exception{
+        super.setUp();
+        engine = new YoutubeSearchEngine();
+        result = engine.search("https://www.youtube.com/results?search_query=bla", 0, "de");
+    }
+
+    public void testIfNoErrorOccure() {
+        assertEquals(result.errorMessage, "");
+    }
+
+    public void testIfListIsNotEmpty() {
+        assertEquals(result.resultList.size() > 0, true);
+    }
+
+    public void testItemHasTitle() {
+        assertEquals(result.resultList.get(0).title.isEmpty(), false);
+    }
+
+    public void testItemHasUploader() {
+        assertEquals(result.resultList.get(0).uploader.isEmpty(), false);
+    }
+
+    public void testItemHasRightDuration() {
+        assertEquals(result.resultList.get(0).duration.contains(":"), true);
+    }
+
+    public void testItemHasRightThumbnail() {
+        assertEquals(result.resultList.get(0).thumbnail_url.contains("https://"), true);
+    }
+
+    public void testItemHasRightVideoUrl() {
+        assertEquals(result.resultList.get(0).webpage_url.contains("https://"), true);
+    }
+}