SourceCodeParserTest.java
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* 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,
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* See the License for the specific language governing permissions and
* limitations under the License.
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package org.apache.tika.parser.code;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.util.Set;
import org.junit.jupiter.api.Test;
import org.xml.sax.ContentHandler;
import org.apache.tika.TikaTest;
import org.apache.tika.io.TikaInputStream;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.metadata.TikaCoreProperties;
import org.apache.tika.mime.MediaType;
import org.apache.tika.parser.ParseContext;
import org.apache.tika.sax.ToTextContentHandler;
public class SourceCodeParserTest extends TikaTest {
private SourceCodeParser sourceCodeParser = new SourceCodeParser();
@Test
public void testSupportTypes() throws Exception {
Set<MediaType> supportedTypes = sourceCodeParser.getSupportedTypes(new ParseContext());
assertTrue(supportedTypes.contains(new MediaType("text", "x-java-source")));
assertTrue(supportedTypes.contains(new MediaType("text", "x-groovy")));
assertTrue(supportedTypes.contains(new MediaType("text", "x-c++src")));
assertFalse(sourceCodeParser.getSupportedTypes(new ParseContext())
.contains(new MediaType("text", "html")));
}
@Test
public void testHTMLRenderWithReturnLine() throws Exception {
String htmlContent =
getXML(getResourceAsStream("/test-documents/testJAVA.java"), sourceCodeParser,
createMetadata("text/x-java-source")).xml;
assertTrue(htmlContent.indexOf("<html xmlns=\"http") == 0);
assertContains("xml:lang=\"en\"", htmlContent);
assertTrue(htmlContent.indexOf(
"<span class=\"java_keyword\">public</span><span class=\"java_plain\">") >
0);
assertTrue(htmlContent.indexOf("<span class=\"java_keyword\">static</span>") > 0);
}
@Test
public void testTextRender() throws Exception {
String textContent =
getText(getResourceAsStream("/test-documents/testJAVA.java"), sourceCodeParser,
createMetadata("text/x-java-source"));
assertTrue(textContent.length() > 0);
assertFalse(textContent.contains("html"));
textContent =
getText(TikaInputStream.get("public class HelloWorld {}".getBytes(UTF_8)),
sourceCodeParser, createMetadata("text/x-java-source"));
assertTrue(textContent.length() > 0);
assertFalse(textContent.contains("html"));
}
@Test
public void testLoC() throws Exception {
Metadata metadata = createMetadata("text/x-groovy");
getText(getResourceAsStream("/test-documents/testGROOVY.groovy"), sourceCodeParser,
metadata);
assertEquals(metadata.get("LoC"), "9");
}
@Test
public void testAuthor() throws Exception {
Metadata metadata = createMetadata("text/x-c++src");
getText(getResourceAsStream("/test-documents/testCPP.cpp"), sourceCodeParser, metadata);
assertEquals("Hong-Thai Nguyen", metadata.get(TikaCoreProperties.CREATOR));
}
@Test
public void testReturnContentAsIsForTextHandler() throws Exception {
String strContent =
getXML(getResourceAsStream("/test-documents/testJAVA.java"), AUTO_DETECT_PARSER,
createMetadata("text/plain")).xml;
assertTrue(strContent.indexOf("public class HelloWorld {") > 0);
}
@Test
public void testNoMarkupInToTextHandler() throws Exception {
ContentHandler contentHandler = new ToTextContentHandler();
ParseContext parseContext = new ParseContext();
try (TikaInputStream tis = TikaInputStream
.get(getResourceAsStream("/test-documents/testJAVA.java"))) {
AUTO_DETECT_PARSER
.parse(tis, contentHandler, createMetadata("text/x-java-source"), parseContext);
}
String strContent = contentHandler.toString();
assertContains("public��class��HelloWorld��{", strContent);
assertNotContained("background-color", strContent);
}
private Metadata createMetadata(String mimeType) {
Metadata metadata = new Metadata();
metadata.add(TikaCoreProperties.RESOURCE_NAME_KEY, "testFile");
metadata.add(Metadata.CONTENT_TYPE, mimeType);
return metadata;
}
}