Added a basic JUnit test with test gz files for the gzip parser

test/java/net/yacy/document/parser/gzipParserTest.java

@@ -0,0 +1,76 @@
+// gzipParserTest.java
+// ---------------------------
+// Copyright 2017 by luccioman; https://github.com/luccioman
+//
+// This is a part of YaCy, a peer-to-peer based web search engine
+//
+// LICENSE
+//
+// This program 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 2 of the License, or
+// (at your option) any later version.
+//
+// This program 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 this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+package net.yacy.document.parser;
+
+import static org.junit.Assert.*;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+
+import org.junit.Test;
+
+import net.yacy.cora.document.id.DigestURL;
+import net.yacy.document.Document;
+import net.yacy.document.Parser.Failure;
+import net.yacy.document.VocabularyScraper;
+
+/**
+ * Unit tests for the {@link gzipParser} class
+ * 
+ * @author luccioman
+ *
+ */
+public class gzipParserTest {
+
+	/**
+	 * Unit test for the gzipParser.parse() function with some small gz test files.
+	 * @throws Failure when a file could not be parsed
+	 * @throws InterruptedException when the test was interrupted before its termination
+	 * @throws IOException when a read/write error occurred
+	 */
+	@Test
+	public void testParse() throws Failure, InterruptedException, IOException {
+		final String[] fileNames = {
+				"umlaute_html_utf8.html.gz",
+				"umlaute_linux.txt.gz"
+		};
+		final File folder = new File("test" + File.separator + "parsertest" + File.separator);
+		gzipParser parser = new gzipParser();
+		
+		for (String fileName : fileNames) {
+			FileInputStream inStream = new FileInputStream(new File(folder, fileName));
+			DigestURL location = new DigestURL("http://localhost/" + fileName);
+			try {
+				Document[] documents = parser.parse(location, "application/gzip", null, new VocabularyScraper(), 0,
+						inStream);
+				assertNotNull("Parser result must not be null for file " + fileName, documents);
+				assertNotNull("Parsed text must not be empty for file " + fileName, documents[0].getTextString());
+				assertTrue("Parsed text must contain test word with umlaut char" + fileName, documents[0].getTextString().contains("Maßkrügen"));
+			} finally {
+				inStream.close();
+			}
+		}
+	}
+
+}