-Added playlist info item extraction for Youtube and Soundcloud.

-Added playlist collection into search engine.
-Fixed stream info duration exception when parsing 0 second video.

src/test/java/org/schabi/newpipe/extractor/services/soundcloud/SoundcloudSearchEnginePlaylistTest.java

@@ -0,0 +1,80 @@
+package org.schabi.newpipe.extractor.services.soundcloud;
+
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.schabi.newpipe.Downloader;
+import org.schabi.newpipe.extractor.InfoItem;
+import org.schabi.newpipe.extractor.NewPipe;
+import org.schabi.newpipe.extractor.search.SearchEngine;
+import org.schabi.newpipe.extractor.search.SearchResult;
+
+import java.util.EnumSet;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.schabi.newpipe.extractor.ServiceList.SoundCloud;
+
+
+/*
+ * Created by Christian Schabesberger on 29.12.15.
+ *
+ * Copyright (C) Christian Schabesberger 2015 <chris.schabesberger@mailbox.org>
+ * YoutubeSearchEngineStreamTest.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/>.
+ */
+
+/**
+ * Test for {@link SearchEngine}
+ */
+public class SoundcloudSearchEnginePlaylistTest {
+    private SearchResult result;
+
+    @Before
+    public void setUp() throws Exception {
+        NewPipe.init(Downloader.getInstance());
+        SearchEngine engine = SoundCloud.getService().getSearchEngine();
+
+        // Search by country not yet implemented
+        result = engine.search("parkmemme", 0, "", EnumSet.of(SearchEngine.Filter.PLAYLIST))
+                .getSearchResult();
+    }
+
+    @Test
+    public void testResultList() {
+        assertFalse(result.resultList.isEmpty());
+    }
+
+    @Test
+    public void testUserItemType() {
+        for (InfoItem infoItem : result.resultList) {
+            assertEquals(InfoItem.InfoType.PLAYLIST, infoItem.info_type);
+        }
+    }
+
+    @Test
+    public void testResultErrors() {
+        if (!result.errors.isEmpty()) for (Throwable error : result.errors) error.printStackTrace();
+        assertTrue(result.errors == null || result.errors.isEmpty());
+    }
+
+    @Ignore
+    @Test
+    public void testSuggestion() {
+        //todo write a real test
+        assertTrue(result.suggestion != null);
+    }
+}

src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeSearchEngineAllTest.java

@@ -50,7 +50,8 @@ public class YoutubeSearchEngineAllTest {
         // keep in mind that the suggestions can change by country (the parameter "de")
         result = engine.search("asdgff", 0, "de",
                 EnumSet.of(SearchEngine.Filter.CHANNEL,
-                        SearchEngine.Filter.STREAM)).getSearchResult();
+                        SearchEngine.Filter.STREAM,
+                        SearchEngine.Filter.PLAYLIST)).getSearchResult();
     }
 
     @Test

src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeSearchEnginePlaylistTest.java

@@ -0,0 +1,81 @@
+package org.schabi.newpipe.extractor.services.youtube;
+
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.schabi.newpipe.Downloader;
+import org.schabi.newpipe.extractor.InfoItem;
+import org.schabi.newpipe.extractor.NewPipe;
+import org.schabi.newpipe.extractor.search.SearchEngine;
+import org.schabi.newpipe.extractor.search.SearchResult;
+
+import java.util.EnumSet;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.schabi.newpipe.extractor.ServiceList.YouTube;
+
+
+/*
+ * Created by Christian Schabesberger on 29.12.15.
+ *
+ * Copyright (C) Christian Schabesberger 2015 <chris.schabesberger@mailbox.org>
+ * YoutubeSearchEngineStreamTest.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/>.
+ */
+
+/**
+ * Test for {@link SearchEngine}
+ */
+public class YoutubeSearchEnginePlaylistTest {
+    private SearchResult result;
+
+    @Before
+    public void setUp() throws Exception {
+        NewPipe.init(Downloader.getInstance());
+        SearchEngine engine = YouTube.getService().getSearchEngine();
+
+        // Youtube will suggest "gronkh" instead of "grrunkh"
+        // keep in mind that the suggestions can change by country (the parameter "de")
+        result = engine.search("grrunkh", 0, "de",
+                EnumSet.of(SearchEngine.Filter.PLAYLIST)).getSearchResult();
+    }
+
+    @Test
+    public void testResultList() {
+        assertFalse(result.resultList.isEmpty());
+    }
+
+    @Test
+    public void testUserItemType() {
+        for (InfoItem infoItem : result.resultList) {
+            assertEquals(InfoItem.InfoType.PLAYLIST, infoItem.info_type);
+        }
+    }
+
+    @Test
+    public void testResultErrors() {
+        if (!result.errors.isEmpty()) for (Throwable error : result.errors) error.printStackTrace();
+        assertTrue(result.errors == null || result.errors.isEmpty());
+    }
+
+    @Ignore
+    @Test
+    public void testSuggestion() {
+        //todo write a real test
+        assertTrue(result.suggestion != null);
+    }
+}