Support YouTube's learning playlists
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wb9688
parent
0b4977bb0c
commit
4d683e7655
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@ -8,16 +8,21 @@ import org.schabi.newpipe.extractor.downloader.Downloader;
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import org.schabi.newpipe.extractor.exceptions.ExtractionException;
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import org.schabi.newpipe.extractor.exceptions.ParsingException;
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import org.schabi.newpipe.extractor.linkhandler.ListLinkHandler;
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import org.schabi.newpipe.extractor.localization.DateWrapper;
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import org.schabi.newpipe.extractor.localization.TimeAgoParser;
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import org.schabi.newpipe.extractor.playlist.PlaylistExtractor;
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import org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper;
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import org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeStreamLinkHandlerFactory;
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import org.schabi.newpipe.extractor.stream.StreamInfoItem;
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import org.schabi.newpipe.extractor.stream.StreamInfoItemExtractor;
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import org.schabi.newpipe.extractor.stream.StreamInfoItemsCollector;
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import org.schabi.newpipe.extractor.stream.StreamType;
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import org.schabi.newpipe.extractor.utils.Utils;
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import java.io.IOException;
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import javax.annotation.Nonnull;
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import javax.annotation.Nullable;
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import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.fixThumbnailUrl;
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import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.getJsonResponse;
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@ -152,34 +157,47 @@ public class YoutubePlaylistExtractor extends PlaylistExtractor {
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@Nonnull
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@Override
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public String getSubChannelName() throws ParsingException {
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public String getSubChannelName() {
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return "";
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}
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@Nonnull
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@Override
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public String getSubChannelUrl() throws ParsingException {
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public String getSubChannelUrl() {
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return "";
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}
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@Nonnull
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@Override
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public String getSubChannelAvatarUrl() throws ParsingException {
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public String getSubChannelAvatarUrl() {
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return "";
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}
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@Nonnull
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@Override
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public InfoItemsPage<StreamInfoItem> getInitialPage() {
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StreamInfoItemsCollector collector = new StreamInfoItemsCollector(getServiceId());
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final StreamInfoItemsCollector collector = new StreamInfoItemsCollector(getServiceId());
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JsonArray videos = initialData.getObject("contents").getObject("twoColumnBrowseResultsRenderer")
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final JsonArray contents = initialData.getObject("contents").getObject("twoColumnBrowseResultsRenderer")
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.getArray("tabs").getObject(0).getObject("tabRenderer").getObject("content")
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.getObject("sectionListRenderer").getArray("contents").getObject(0)
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.getObject("itemSectionRenderer").getArray("contents").getObject(0)
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.getObject("playlistVideoListRenderer").getArray("contents");
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.getObject("itemSectionRenderer").getArray("contents");
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if (contents.getObject(0).has("playlistSegmentRenderer")) {
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for (final Object segment : contents) {
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if (((JsonObject) segment).getObject("playlistSegmentRenderer").has("trailer")) {
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collectTrailerFrom(collector, ((JsonObject) segment));
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} else if (((JsonObject) segment).getObject("playlistSegmentRenderer").has("videoList")) {
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collectStreamsFrom(collector, ((JsonObject) segment).getObject("playlistSegmentRenderer")
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.getObject("videoList").getObject("playlistVideoListRenderer").getArray("contents"));
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}
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}
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} else if (contents.getObject(0).has("playlistVideoListRenderer")) {
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final JsonArray videos = contents.getObject(0)
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.getObject("playlistVideoListRenderer").getArray("contents");
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collectStreamsFrom(collector, videos);
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}
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return new InfoItemsPage<>(collector, getNextPageUrl());
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}
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@ -189,10 +207,10 @@ public class YoutubePlaylistExtractor extends PlaylistExtractor {
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throw new ExtractionException(new IllegalArgumentException("Page url is empty or null"));
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}
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StreamInfoItemsCollector collector = new StreamInfoItemsCollector(getServiceId());
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final StreamInfoItemsCollector collector = new StreamInfoItemsCollector(getServiceId());
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final JsonArray ajaxJson = getJsonResponse(pageUrl, getExtractorLocalization());
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JsonObject sectionListContinuation = ajaxJson.getObject(1).getObject("response")
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final JsonObject sectionListContinuation = ajaxJson.getObject(1).getObject("response")
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.getObject("continuationContents").getObject("playlistVideoListContinuation");
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collectStreamsFrom(collector, sectionListContinuation.getArray("contents"));
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@ -200,7 +218,7 @@ public class YoutubePlaylistExtractor extends PlaylistExtractor {
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return new InfoItemsPage<>(collector, getNextPageUrlFrom(sectionListContinuation.getArray("continuations")));
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}
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private String getNextPageUrlFrom(JsonArray continuations) {
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private String getNextPageUrlFrom(final JsonArray continuations) {
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if (isNullOrEmpty(continuations)) {
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return "";
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}
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@ -212,9 +230,7 @@ public class YoutubePlaylistExtractor extends PlaylistExtractor {
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+ "&itct=" + clickTrackingParams;
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}
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private void collectStreamsFrom(StreamInfoItemsCollector collector, JsonArray videos) {
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collector.reset();
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private void collectStreamsFrom(final StreamInfoItemsCollector collector, final JsonArray videos) {
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final TimeAgoParser timeAgoParser = getTimeAgoParser();
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for (Object video : videos) {
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@ -228,4 +244,72 @@ public class YoutubePlaylistExtractor extends PlaylistExtractor {
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}
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}
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}
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private void collectTrailerFrom(final StreamInfoItemsCollector collector,
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final JsonObject segment) {
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collector.commit(new StreamInfoItemExtractor() {
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@Override
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public String getName() throws ParsingException {
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return getTextFromObject(segment.getObject("playlistSegmentRenderer")
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.getObject("title"));
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}
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@Override
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public String getUrl() throws ParsingException {
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return YoutubeStreamLinkHandlerFactory.getInstance()
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.fromId(segment.getObject("playlistSegmentRenderer").getObject("trailer")
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.getObject("playlistVideoPlayerRenderer").getString("videoId"))
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.getUrl();
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}
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@Override
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public String getThumbnailUrl() {
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return null;
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}
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@Override
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public StreamType getStreamType() {
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return StreamType.VIDEO_STREAM;
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}
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@Override
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public boolean isAd() {
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return false;
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}
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@Override
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public long getDuration() throws ParsingException {
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return YoutubeParsingHelper.parseDurationString(
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getTextFromObject(segment.getObject("playlistSegmentRenderer")
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.getObject("segmentAnnotation")).split("•")[0]);
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}
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@Override
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public long getViewCount() {
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return -1;
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}
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@Override
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public String getUploaderName() throws ParsingException {
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return YoutubePlaylistExtractor.this.getUploaderName();
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}
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@Override
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public String getUploaderUrl() throws ParsingException {
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return YoutubePlaylistExtractor.this.getUploaderUrl();
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}
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@Nullable
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@Override
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public String getTextualUploadDate() {
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return null;
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}
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@Nullable
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@Override
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public DateWrapper getUploadDate() {
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return null;
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}
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});
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}
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}
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@ -254,4 +254,102 @@ public class YoutubePlaylistExtractorTest {
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assertTrue("Error in the streams count", extractor.getStreamCount() > 100);
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}
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}
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public static class LearningPlaylist implements BasePlaylistExtractorTest {
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private static YoutubePlaylistExtractor extractor;
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@BeforeClass
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public static void setUp() throws Exception {
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NewPipe.init(DownloaderTestImpl.getInstance());
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extractor = (YoutubePlaylistExtractor) YouTube
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.getPlaylistExtractor("https://www.youtube.com/playlist?list=PL8dPuuaLjXtOAKed_MxxWBNaPno5h3Zs8");
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extractor.fetchPage();
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}
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/*//////////////////////////////////////////////////////////////////////////
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// Extractor
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//////////////////////////////////////////////////////////////////////////*/
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@Test
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public void testServiceId() {
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assertEquals(YouTube.getServiceId(), extractor.getServiceId());
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}
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@Test
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public void testName() throws Exception {
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String name = extractor.getName();
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assertTrue(name, name.startsWith("Anatomy & Physiology"));
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}
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@Test
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public void testId() throws Exception {
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assertEquals("PL8dPuuaLjXtOAKed_MxxWBNaPno5h3Zs8", extractor.getId());
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}
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@Test
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public void testUrl() throws ParsingException {
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assertEquals("https://www.youtube.com/playlist?list=PL8dPuuaLjXtOAKed_MxxWBNaPno5h3Zs8", extractor.getUrl());
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}
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@Test
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public void testOriginalUrl() throws ParsingException {
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assertEquals("https://www.youtube.com/playlist?list=PL8dPuuaLjXtOAKed_MxxWBNaPno5h3Zs8", extractor.getOriginalUrl());
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}
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/*//////////////////////////////////////////////////////////////////////////
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// ListExtractor
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//////////////////////////////////////////////////////////////////////////*/
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@Test
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public void testRelatedItems() throws Exception {
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defaultTestRelatedItems(extractor);
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}
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@Ignore
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@Test
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public void testMoreRelatedItems() throws Exception {
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defaultTestMoreItems(extractor);
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}
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/*//////////////////////////////////////////////////////////////////////////
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// PlaylistExtractor
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//////////////////////////////////////////////////////////////////////////*/
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@Test
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public void testThumbnailUrl() throws Exception {
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final String thumbnailUrl = extractor.getThumbnailUrl();
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assertIsSecureUrl(thumbnailUrl);
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assertTrue(thumbnailUrl, thumbnailUrl.contains("yt"));
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}
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@Ignore
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@Test
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public void testBannerUrl() throws Exception {
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final String bannerUrl = extractor.getBannerUrl();
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assertIsSecureUrl(bannerUrl);
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assertTrue(bannerUrl, bannerUrl.contains("yt"));
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}
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@Test
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public void testUploaderUrl() throws Exception {
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assertEquals("https://www.youtube.com/channel/UCX6b17PVsYBQ0ip5gyeme-Q", extractor.getUploaderUrl());
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}
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@Test
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public void testUploaderName() throws Exception {
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final String uploaderName = extractor.getUploaderName();
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assertTrue(uploaderName, uploaderName.contains("CrashCourse"));
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}
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@Test
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public void testUploaderAvatarUrl() throws Exception {
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final String uploaderAvatarUrl = extractor.getUploaderAvatarUrl();
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assertTrue(uploaderAvatarUrl, uploaderAvatarUrl.contains("yt"));
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}
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@Test
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public void testStreamCount() throws Exception {
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assertTrue("Error in the streams count", extractor.getStreamCount() > 40);
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}
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}
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}
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