/*
* 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.lucene.analysis.wikipedia;
import java.io.Reader;
import java.io.StringReader;
import java.io.IOException;
import java.util.Random;
import java.util.Set;
import java.util.HashSet;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.BaseTokenStreamTestCase;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.tokenattributes.FlagsAttribute;
import static org.apache.lucene.analysis.wikipedia.WikipediaTokenizer.*;
/**
* Basic Tests for {@link WikipediaTokenizer}
**/
public class WikipediaTokenizerTest extends BaseTokenStreamTestCase {
protected static final String LINK_PHRASES = "click [[link here again]] click [http://lucene.apache.org here again] [[Category:a b c d]]";
public void testSimple() throws Exception {
String text = "This is a [[Category:foo]]";
WikipediaTokenizer tf = new WikipediaTokenizer(new StringReader(text));
assertTokenStreamContents(tf,
new String[] { "This", "is", "a", "foo" },
new int[] { 0, 5, 8, 21 },
new int[] { 4, 7, 9, 24 },
new String[] { "<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>", CATEGORY },
new int[] { 1, 1, 1, 1, },
text.length());
}
public void testHandwritten() throws Exception {
// make sure all tokens are in only one type
String test = "[[link]] This is a [[Category:foo]] Category This is a linked [[:Category:bar none withstanding]] "
+ "Category This is (parens) This is a [[link]] This is an external URL [http://lucene.apache.org] "
+ "Here is ''italics'' and ''more italics'', '''bold''' and '''''five quotes''''' "
+ " This is a [[link|display info]] This is a period. Here is $3.25 and here is 3.50. Here's Johnny. "
+ "==heading== ===sub head=== followed by some text [[Category:blah| ]] "
+ "''[[Category:ital_cat]]'' here is some that is ''italics [[Category:foo]] but is never closed."
+ "'''same [[Category:foo]] goes for this '''''and2 [[Category:foo]] and this"
+ " [http://foo.boo.com/test/test/ Test Test] [http://foo.boo.com/test/test/test.html Test Test]"
+ " [http://foo.boo.com/test/test/test.html?g=b&c=d Test Test] <ref>Citation</ref> <sup>martian</sup> <span class=\"glue\">code</span>";
WikipediaTokenizer tf = new WikipediaTokenizer(new StringReader(test));
assertTokenStreamContents(tf,
new String[] {"link", "This", "is", "a",
"foo", "Category", "This", "is", "a", "linked", "bar", "none",
"withstanding", "Category", "This", "is", "parens", "This", "is", "a",
"link", "This", "is", "an", "external", "URL",
"http://lucene.apache.org", "Here", "is", "italics", "and", "more",
"italics", "bold", "and", "five", "quotes", "This", "is", "a", "link",
"display", "info", "This", "is", "a", "period", "Here", "is", "3.25",
"and", "here", "is", "3.50", "Here's", "Johnny", "heading", "sub",
"head", "followed", "by", "some", "text", "blah", "ital", "cat",
"here", "is", "some", "that", "is", "italics", "foo", "but", "is",
"never", "closed", "same", "foo", "goes", "for", "this", "and2", "foo",
"and", "this", "http://foo.boo.com/test/test/", "Test", "Test",
"http://foo.boo.com/test/test/test.html", "Test", "Test",
"http://foo.boo.com/test/test/test.html?g=b&c=d", "Test", "Test",
"Citation", "martian", "code"},
new String[] {INTERNAL_LINK,
"<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>", CATEGORY, "<ALPHANUM>",
"<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>", CATEGORY,
CATEGORY, CATEGORY, "<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>",
"<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>", INTERNAL_LINK,
"<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>",
EXTERNAL_LINK_URL, "<ALPHANUM>", "<ALPHANUM>", ITALICS, "<ALPHANUM>",
ITALICS, ITALICS, BOLD, "<ALPHANUM>", BOLD_ITALICS, BOLD_ITALICS,
"<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>", INTERNAL_LINK, INTERNAL_LINK,
INTERNAL_LINK, "<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>",
"<ALPHANUM>", "<ALPHANUM>", "<NUM>", "<ALPHANUM>", "<ALPHANUM>",
"<ALPHANUM>", "<NUM>", "<APOSTROPHE>", "<ALPHANUM>", HEADING,
SUB_HEADING, SUB_HEADING, "<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>",
"<ALPHANUM>", CATEGORY, CATEGORY, CATEGORY, "<ALPHANUM>", "<ALPHANUM>",
"<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>", ITALICS, CATEGORY,
"<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>", BOLD, CATEGORY,
"<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>", BOLD_ITALICS, CATEGORY,
"<ALPHANUM>", "<ALPHANUM>", EXTERNAL_LINK_URL, EXTERNAL_LINK,
EXTERNAL_LINK, EXTERNAL_LINK_URL, EXTERNAL_LINK, EXTERNAL_LINK,
EXTERNAL_LINK_URL, EXTERNAL_LINK, EXTERNAL_LINK, CITATION,
"<ALPHANUM>", "<ALPHANUM>"});
}
public void testLinkPhrases() throws Exception {
WikipediaTokenizer tf = new WikipediaTokenizer(new StringReader(LINK_PHRASES));
checkLinkPhrases(tf);
}
private void checkLinkPhrases(WikipediaTokenizer tf) throws IOException {
assertTokenStreamContents(tf,
new String[] { "click", "link", "here", "again", "click",
"http://lucene.apache.org", "here", "again", "a", "b", "c", "d" },
new int[] { 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1 });
}
public void testLinks() throws Exception {
String test = "[http://lucene.apache.org/java/docs/index.html#news here] [http://lucene.apache.org/java/docs/index.html?b=c here] [https://lucene.apache.org/java/docs/index.html?b=c here]";
WikipediaTokenizer tf = new WikipediaTokenizer(new StringReader(test));
assertTokenStreamContents(tf,
new String[] { "http://lucene.apache.org/java/docs/index.html#news", "here",
"http://lucene.apache.org/java/docs/index.html?b=c", "here",
"https://lucene.apache.org/java/docs/index.html?b=c", "here" },
new String[] { EXTERNAL_LINK_URL, EXTERNAL_LINK,
EXTERNAL_LINK_URL, EXTERNAL_LINK,
EXTERNAL_LINK_URL, EXTERNAL_LINK, });
}
public void testLucene1133() throws Exception {
Set<String> untoks = new HashSet<String>();
untoks.add(WikipediaTokenizer.CATEGORY);
untoks.add(WikipediaTokenizer.ITALICS);
//should be exactly the same, regardless of untoks
WikipediaTokenizer tf = new WikipediaTokenizer(new StringReader(LINK_PHRASES), WikipediaTokenizer.TOKENS_ONLY, untoks);
checkLinkPhrases(tf);
String test = "[[Category:a b c d]] [[Category:e f g]] [[link here]] [[link there]] ''italics here'' something ''more italics'' [[Category:h i j]]";
tf = new WikipediaTokenizer(new StringReader(test), WikipediaTokenizer.UNTOKENIZED_ONLY, untoks);
assertTokenStreamContents(tf,
new String[] { "a b c d", "e f g", "link", "here", "link",
"there", "italics here", "something", "more italics", "h i j" },
new int[] { 11, 32, 42, 47, 56, 61, 71, 86, 98, 124 },
new int[] { 18, 37, 46, 51, 60, 66, 83, 95, 110, 133 },
new int[] { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }
);
}
public void testBoth() throws Exception {
Set<String> untoks = new HashSet<String>();
untoks.add(WikipediaTokenizer.CATEGORY);
untoks.add(WikipediaTokenizer.ITALICS);
String test = "[[Category:a b c d]] [[Category:e f g]] [[link here]] [[link there]] ''italics here'' something ''more italics'' [[Category:h i j]]";
//should output all the indivual tokens plus the untokenized tokens as well. Untokenized tokens
WikipediaTokenizer tf = new WikipediaTokenizer(new StringReader(test), WikipediaTokenizer.BOTH, untoks);
assertTokenStreamContents(tf,
new String[] { "a b c d", "a", "b", "c", "d", "e f g", "e", "f", "g",
"link", "here", "link", "there", "italics here", "italics", "here",
"something", "more italics", "more", "italics", "h i j", "h", "i", "j" },
new int[] { 11, 11, 13, 15, 17, 32, 32, 34, 36, 42, 47, 56, 61, 71, 71, 79, 86, 98, 98, 103, 124, 124, 128, 132 },
new int[] { 18, 12, 14, 16, 18, 37, 33, 35, 37, 46, 51, 60, 66, 83, 78, 83, 95, 110, 102, 110, 133, 125, 129, 133 },
new int[] { 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1 }
);
// now check the flags, TODO: add way to check flags from BaseTokenStreamTestCase?
tf = new WikipediaTokenizer(new StringReader(test), WikipediaTokenizer.BOTH, untoks);
int expectedFlags[] = new int[] { UNTOKENIZED_TOKEN_FLAG, 0, 0, 0, 0, UNTOKENIZED_TOKEN_FLAG, 0, 0, 0, 0,
0, 0, 0, UNTOKENIZED_TOKEN_FLAG, 0, 0, 0, UNTOKENIZED_TOKEN_FLAG, 0, 0, UNTOKENIZED_TOKEN_FLAG, 0, 0, 0 };
FlagsAttribute flagsAtt = tf.addAttribute(FlagsAttribute.class);
tf.reset();
for (int i = 0; i < expectedFlags.length; i++) {
assertTrue(tf.incrementToken());
assertEquals("flags " + i, expectedFlags[i], flagsAtt.getFlags());
}
assertFalse(tf.incrementToken());
tf.close();
}
/** blast some random strings through the analyzer */
public void testRandomStrings() throws Exception {
Analyzer a = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
Tokenizer tokenizer = new WikipediaTokenizer(reader);
return new TokenStreamComponents(tokenizer, tokenizer);
}
};
checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
}
/** blast some random large strings through the analyzer */
public void testRandomHugeStrings() throws Exception {
Random random = random();
Analyzer a = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
Tokenizer tokenizer = new WikipediaTokenizer(reader);
return new TokenStreamComponents(tokenizer, tokenizer);
}
};
checkRandomData(random, a, 100*RANDOM_MULTIPLIER, 8192);
}
}