Merge pull request #17 from wb9688/gradle

Use Gradle

.gitignore

@@ -0,0 +1,16 @@
+.gradle
+/build/
+.idea
+local.properties
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
+!gradle-wrapper.jar
+
+# Cache of project
+.gradletasknamecache
+
+# # Work around https://youtrack.jetbrains.com/issue/IDEA-116898
+# gradle/wrapper/gradle-wrapper.properties

.travis.yml

@@ -0,0 +1 @@
+language: java

build.gradle

@@ -0,0 +1,14 @@
+apply plugin: 'java-library'
+
+repositories {
+    jcenter()
+}
+
+dependencies {
+    implementation 'org.json:json:20160807'
+    implementation 'org.jsoup:jsoup:1.9.2'
+    implementation 'org.mozilla:rhino:1.7.7.1'
+
+    testImplementation 'junit:junit:4.12'
+}
+

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Fri Aug 04 16:32:25 CEST 2017
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.0.2-bin.zip

gradlew

@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

gradlew.bat

@@ -0,0 +1,84 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle

@@ -0,0 +1 @@
+rootProject.name = 'NewPipeExtractor'

src/test/java/org/schabi/newpipe/Downloader.java

@@ -0,0 +1,146 @@
+package org.schabi.newpipe;
+
+import org.schabi.newpipe.extractor.exceptions.ReCaptchaException;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.URL;
+import java.net.UnknownHostException;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
+import javax.net.ssl.HttpsURLConnection;
+
+
+/**
+ * Created by Christian Schabesberger on 28.01.16.
+ *
+ * Copyright (C) Christian Schabesberger 2016 <chris.schabesberger@mailbox.org>
+ * Downloader.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 Downloader implements org.schabi.newpipe.extractor.Downloader {
+    
+    private static final String USER_AGENT = "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:43.0) Gecko/20100101 Firefox/43.0";
+    private static String mCookies = "";
+
+    private static Downloader instance = null;
+
+    private Downloader() {}
+
+    public static Downloader getInstance() {
+        if(instance == null) {
+            synchronized (Downloader.class) {
+                if (instance == null) {
+                    instance = new Downloader();
+                }
+            }
+        }
+        return instance;
+    }
+
+    public static synchronized void setCookies(String cookies) {
+        Downloader.mCookies = cookies;
+    }
+
+    public static synchronized String getCookies() {
+        return Downloader.mCookies;
+    }
+
+    /**Download the text file at the supplied URL as in download(String),
+     * but set the HTTP header field "Accept-Language" to the supplied string.
+     * @param siteUrl the URL of the text file to return the contents of
+     * @param language the language (usually a 2-character code) to set as the preferred language
+     * @return the contents of the specified text file*/
+    public String download(String siteUrl, String language) throws IOException, ReCaptchaException {
+        Map<String, String> requestProperties = new HashMap<>();
+        requestProperties.put("Accept-Language", language);
+        return download(siteUrl, requestProperties);
+    }
+
+
+    /**Download the text file at the supplied URL as in download(String),
+     * but set the HTTP header field "Accept-Language" to the supplied string.
+     * @param siteUrl the URL of the text file to return the contents of
+     * @param customProperties set request header properties
+     * @return the contents of the specified text file
+     * @throws IOException*/
+    public String download(String siteUrl, Map<String, String> customProperties) throws IOException, ReCaptchaException {
+        URL url = new URL(siteUrl);
+        HttpsURLConnection con = (HttpsURLConnection) url.openConnection();
+        Iterator it = customProperties.entrySet().iterator();
+        while(it.hasNext()) {
+            Map.Entry pair = (Map.Entry)it.next();
+            con.setRequestProperty((String)pair.getKey(), (String)pair.getValue());
+        }
+        return dl(con);
+    }
+
+    /**Common functionality between download(String url) and download(String url, String language)*/
+    private static String dl(HttpsURLConnection con) throws IOException, ReCaptchaException {
+        StringBuilder response = new StringBuilder();
+        BufferedReader in = null;
+
+        try {
+            con.setRequestMethod("GET");
+            con.setRequestProperty("User-Agent", USER_AGENT);
+
+            if (getCookies().length() > 0) {
+                con.setRequestProperty("Cookie", getCookies());
+            }
+
+            in = new BufferedReader(
+                    new InputStreamReader(con.getInputStream()));
+            String inputLine;
+
+            while((inputLine = in.readLine()) != null) {
+                response.append(inputLine);
+            }
+        } catch(UnknownHostException uhe) {//thrown when there's no internet connection
+            throw new IOException("unknown host or no network", uhe);
+            //Toast.makeText(getActivity(), uhe.getMessage(), Toast.LENGTH_LONG).show();
+        } catch(Exception e) {
+            /*
+             * HTTP 429 == Too Many Request
+             * Receive from Youtube.com = ReCaptcha challenge request
+             * See : https://github.com/rg3/youtube-dl/issues/5138
+             */
+            if (con.getResponseCode() == 429) {
+                throw new ReCaptchaException("reCaptcha Challenge requested");
+            }
+            throw new IOException(e);
+        } finally {
+            if(in != null) {
+                in.close();
+            }
+        }
+
+        return response.toString();
+    }
+
+    /**Download (via HTTP) the text file located at the supplied URL, and return its contents.
+     * Primarily intended for downloading web pages.
+     * @param siteUrl the URL of the text file to download
+     * @return the contents of the specified text file*/
+    public String download(String siteUrl) throws IOException, ReCaptchaException {
+        URL url = new URL(siteUrl);
+        HttpsURLConnection con = (HttpsURLConnection) url.openConnection();
+        //HttpsURLConnection con = NetCipher.getHttpsURLConnection(url);
+        return dl(con);
+    }
+}

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

@@ -0,0 +1,107 @@
+package org.schabi.newpipe.extractor.services.youtube;
+
+import static junit.framework.Assert.assertEquals;
+import static junit.framework.Assert.assertNotNull;
+import static junit.framework.Assert.assertTrue;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.schabi.newpipe.Downloader;
+import org.schabi.newpipe.extractor.NewPipe;
+import org.schabi.newpipe.extractor.channel.ChannelExtractor;
+
+/**
+ * Created by Christian Schabesberger on 12.09.16.
+ *
+ * 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 ChannelExtractor}
+ */
+
+public class YoutubeChannelExtractorTest  {
+
+    ChannelExtractor extractor;
+
+    @Before
+    public void setUp() throws Exception {
+        NewPipe.init(Downloader.getInstance());
+        extractor = NewPipe.getService("Youtube")
+                .getChannelExtractorInstance("https://www.youtube.com/channel/UCYJ61XIK64sp6ZFFS8sctxw");
+    }
+
+    @Test
+    public void testGetDownloader()  throws Exception {
+        assertNotNull(NewPipe.getDownloader());
+    }
+
+    @Test
+    public void testGetChannelName() throws Exception {
+        assertEquals(extractor.getChannelName(), "Gronkh");
+    }
+
+    @Test
+    public void testGetAvatarUrl() throws Exception {
+        assertTrue(extractor.getAvatarUrl(), extractor.getAvatarUrl().contains("yt3"));
+    }
+
+    @Test
+    public void testGetBannerurl() throws Exception {
+        assertTrue(extractor.getBannerUrl(), extractor.getBannerUrl().contains("yt3"));
+    }
+
+    @Test
+    public void testGetFeedUrl() throws Exception {
+        assertTrue(extractor.getFeedUrl(), extractor.getFeedUrl().contains("feed"));
+    }
+
+    @Test
+    public void testGetStreams() throws Exception {
+        assertTrue("no streams are received", !extractor.getStreams().getItemList().isEmpty());
+    }
+
+    @Test
+    public void testGetStreamsErrors() throws Exception {
+        assertTrue("errors during stream list extraction", extractor.getStreams().getErrors().isEmpty());
+    }
+
+    @Test
+    public void testHasNextPage() throws Exception {
+        // this particular example (link) has a next page !!!
+        assertTrue("no next page link found", extractor.hasMoreStreams());
+    }
+
+    @Test
+    public void testGetSubscriberCount() throws Exception {
+        assertTrue("wrong subscriber count", extractor.getSubscriberCount() >= 0);
+    }
+
+    @Test
+    public void testGetNextPage() throws Exception {
+        extractor = NewPipe.getService("Youtube")
+                .getChannelExtractorInstance("https://www.youtube.com/channel/UCYJ61XIK64sp6ZFFS8sctxw");
+        assertTrue("next page didn't have content", !extractor.getStreams().getItemList().isEmpty());
+    }
+
+    @Test
+    public void testGetNextNextPageUrl() throws Exception {
+        extractor = NewPipe.getService("Youtube")
+                .getChannelExtractorInstance("https://www.youtube.com/channel/UCYJ61XIK64sp6ZFFS8sctxw");
+        assertTrue("next page didn't have content", extractor.hasMoreStreams());
+    }
+}

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

@@ -0,0 +1,70 @@
+package org.schabi.newpipe.extractor.services.youtube;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.schabi.newpipe.Downloader;
+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 junit.framework.Assert.assertFalse;
+import static junit.framework.Assert.assertTrue;
+
+
+/**
+ * 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 YoutubeSearchEngineAllTest {
+    private SearchResult result;
+
+    @Before
+    public void setUp() throws Exception {
+        NewPipe.init(Downloader.getInstance());
+        SearchEngine engine = NewPipe.getService("Youtube").getSearchEngineInstance();
+
+        // Youtube will suggest "asdf" instead of "asdgff"
+        // 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();
+    }
+
+    @Test
+    public void testResultList() {
+        assertFalse(result.resultList.isEmpty());
+    }
+
+    @Test
+    public void testResultErrors() {
+        if (!result.errors.isEmpty()) for (Throwable error : result.errors) error.printStackTrace();
+        assertTrue(result.errors == null || result.errors.isEmpty());
+    }
+
+    @Test
+    public void testSuggestion() {
+        //todo write a real test
+        assertTrue(result.suggestion != null);
+    }
+}

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

@@ -0,0 +1,76 @@
+package org.schabi.newpipe.extractor.services.youtube;
+
+import org.junit.Before;
+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 junit.framework.Assert.assertEquals;
+import static junit.framework.Assert.assertFalse;
+import static junit.framework.Assert.assertTrue;
+
+
+/**
+ * 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 YoutubeSearchEngineChannelTest {
+    private SearchResult result;
+
+    @Before
+    public void setUp() throws Exception {
+        NewPipe.init(Downloader.getInstance());
+        SearchEngine engine = NewPipe.getService("Youtube").getSearchEngineInstance();
+
+        // 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.CHANNEL)).getSearchResult();
+    }
+
+    @Test
+    public void testResultList() {
+        assertFalse(result.resultList.isEmpty());
+    }
+
+    @Test
+    public void testChannelItemType() {
+        assertEquals(result.resultList.get(0).info_type, InfoItem.InfoType.CHANNEL);
+    }
+
+    @Test
+    public void testResultErrors() {
+        if (!result.errors.isEmpty()) for (Throwable error : result.errors) error.printStackTrace();
+        assertTrue(result.errors == null || result.errors.isEmpty());
+    }
+
+    @Test
+    public void testSuggestion() {
+        //todo write a real test
+        assertTrue(result.suggestion != null);
+    }
+}

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

@@ -0,0 +1,76 @@
+package org.schabi.newpipe.extractor.services.youtube;
+
+import org.junit.Before;
+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 junit.framework.Assert.assertEquals;
+import static junit.framework.Assert.assertFalse;
+import static junit.framework.Assert.assertTrue;
+
+
+/**
+ * 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 YoutubeSearchEngineStreamTest {
+    private SearchResult result;
+
+    @Before
+    public void setUp() throws Exception {
+        NewPipe.init(Downloader.getInstance());
+        SearchEngine engine = NewPipe.getService("Youtube").getSearchEngineInstance();
+
+        // Youtube will suggest "results" instead of "rsults",
+        // keep in mind that the suggestions can change by country (the parameter "de")
+        result = engine.search("rsults", 0, "de",
+                EnumSet.of(SearchEngine.Filter.STREAM)).getSearchResult();
+    }
+
+    @Test
+    public void testResultList() {
+        assertFalse(result.resultList.isEmpty());
+    }
+
+    @Test
+    public void testChannelItemType() {
+        assertEquals(result.resultList.get(0).info_type, InfoItem.InfoType.STREAM);
+    }
+
+    @Test
+    public void testResultErrors() {
+        if (!result.errors.isEmpty()) for (Throwable error : result.errors) error.printStackTrace();
+        assertTrue(result.errors == null || result.errors.isEmpty());
+    }
+
+    @Test
+    public void testSuggestion() {
+        //todo write a real test
+        assertTrue(result.suggestion != null);
+    }
+}

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

@@ -0,0 +1,141 @@
+package org.schabi.newpipe.extractor.services.youtube;
+
+import static junit.framework.Assert.assertTrue;
+
+import java.io.IOException;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.schabi.newpipe.Downloader;
+import org.schabi.newpipe.extractor.NewPipe;
+import org.schabi.newpipe.extractor.exceptions.ExtractionException;
+import org.schabi.newpipe.extractor.exceptions.ParsingException;
+import org.schabi.newpipe.extractor.exceptions.ReCaptchaException;
+import org.schabi.newpipe.extractor.stream.StreamExtractor;
+import org.schabi.newpipe.extractor.stream.StreamType;
+import org.schabi.newpipe.extractor.stream.VideoStream;
+
+/**
+ * Created by Christian Schabesberger on 30.12.15.
+ *
+ * Copyright (C) Christian Schabesberger 2015 <chris.schabesberger@mailbox.org>
+ * YoutubeVideoExtractorDefault.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 StreamExtractor}
+ */
+public class YoutubeStreamExtractorDefaultTest {
+    public static final String HTTPS = "https://";
+    private StreamExtractor extractor;
+
+    @Before
+    public void setUp() throws Exception {
+        NewPipe.init(Downloader.getInstance());
+        extractor = NewPipe.getService("Youtube")
+                .getStreamExtractorInstance("https://www.youtube.com/watch?v=YQHsXMglC9A");
+    }
+
+    @Test
+    public void testGetInvalidTimeStamp() throws ParsingException {
+        assertTrue(Integer.toString(extractor.getTimeStamp()),
+                extractor.getTimeStamp() <= 0);
+    }
+
+    @Test
+    public void testGetValidTimeStamp() throws ExtractionException, IOException {
+        StreamExtractor extractor =
+                NewPipe.getService("Youtube")
+                        .getStreamExtractorInstance("https://youtu.be/FmG385_uUys?t=174");
+        assertTrue(Integer.toString(extractor.getTimeStamp()),
+                extractor.getTimeStamp() == 174);
+    }
+
+    @Test
+    public void testGetTitle() throws ParsingException {
+        assertTrue(!extractor.getTitle().isEmpty());
+    }
+
+    @Test
+    public void testGetDescription() throws ParsingException {
+        assertTrue(extractor.getDescription() != null);
+    }
+
+    @Test
+    public void testGetUploader() throws ParsingException {
+        assertTrue(!extractor.getUploader().isEmpty());
+    }
+
+    @Test
+    public void testGetLength() throws ParsingException {
+        assertTrue(extractor.getLength() > 0);
+    }
+
+    @Test
+    public void testGetViewCount() throws ParsingException {
+        assertTrue(Long.toString(extractor.getViewCount()),
+                extractor.getViewCount() > /* specific to that video */ 1224000074);
+    }
+
+    @Test
+    public void testGetUploadDate() throws ParsingException {
+        assertTrue(extractor.getUploadDate().length() > 0);
+    }
+
+    @Test
+    public void testGetChannelUrl() throws ParsingException {
+        assertTrue(extractor.getChannelUrl().length() > 0);
+    }
+
+    @Test
+    public void testGetThumbnailUrl() throws ParsingException {
+        assertTrue(extractor.getThumbnailUrl(),
+                extractor.getThumbnailUrl().contains(HTTPS));
+    }
+
+    @Test
+    public void testGetUploaderThumbnailUrl() throws ParsingException {
+        assertTrue(extractor.getUploaderThumbnailUrl(),
+                extractor.getUploaderThumbnailUrl().contains(HTTPS));
+    }
+
+    @Test
+    public void testGetAudioStreams() throws ParsingException, ReCaptchaException, IOException {
+        assertTrue(!extractor.getAudioStreams().isEmpty());
+    }
+
+    @Test
+    public void testGetVideoStreams() throws ParsingException {
+        for(VideoStream s : extractor.getVideoStreams()) {
+            assertTrue(s.url,
+                    s.url.contains(HTTPS));
+            assertTrue(s.resolution.length() > 0);
+            assertTrue(Integer.toString(s.format),
+                    0 <= s.format && s.format <= 4);
+        }
+    }
+
+    @Test
+    public void testStreamType() throws ParsingException {
+        assertTrue(extractor.getStreamType() == StreamType.VIDEO_STREAM);
+    }
+
+    @Test
+    public void testGetDashMpd() throws ParsingException {
+        assertTrue(extractor.getDashMpdUrl(),
+                extractor.getDashMpdUrl() != null || !extractor.getDashMpdUrl().isEmpty());
+    }
+}