tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-pkg-module/src/test/java/org/apache/tika/parser/pkg/GzipParserTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.tika.parser.pkg;

import static java.nio.charset.StandardCharsets.US_ASCII;
import static org.junit.Assert.assertEquals;

import java.io.InputStream;

import org.junit.Test;
import org.xml.sax.ContentHandler;

import org.apache.tika.metadata.Metadata;
import org.apache.tika.sax.BodyContentHandler;

/**
 * Test case for parsing gzip files.
 */
public class GzipParserTest extends AbstractPkgTest {

    /**
     * Tests that the ParseContext parser is correctly
     * fired for all the embedded entries.
     */
    @Test
    public void testEmbedded() throws Exception {
        ContentHandler handler = new BodyContentHandler();
        Metadata metadata = new Metadata();

        try (InputStream stream = getResourceAsStream("/test-documents/test-documents.tgz")) {
            AUTO_DETECT_PARSER.parse(stream, handler, metadata, trackingContext);
        }

        // Should find a single entry, for the (compressed) tar file
        assertEquals(1, tracker.filenames.size());
        assertEquals(1, tracker.mediatypes.size());
        assertEquals(1, tracker.modifiedAts.size());

        assertEquals(null, tracker.filenames.get(0));
        assertEquals(null, tracker.mediatypes.get(0));
        assertEquals(null, tracker.modifiedAts.get(0));

        // Tar file starts with the directory name
        assertEquals("test-documents/", new String(tracker.lastSeenStart, 0, 15, US_ASCII));
    }
}