/*
* 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.path;
import java.io.StringReader;
import java.util.Random;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.BaseTokenStreamTestCase;
import org.apache.lucene.analysis.Tokenizer;
import static org.apache.lucene.analysis.path.ReversePathHierarchyTokenizer.DEFAULT_DELIMITER;
import static org.apache.lucene.analysis.path.ReversePathHierarchyTokenizer.DEFAULT_SKIP;
public class TestReversePathHierarchyTokenizer extends BaseTokenStreamTestCase {
public void testBasicReverse() throws Exception {
String path = "/a/b/c";
ReversePathHierarchyTokenizer t = new ReversePathHierarchyTokenizer(newAttributeFactory(), DEFAULT_DELIMITER, DEFAULT_DELIMITER, DEFAULT_SKIP);
t.setReader(new StringReader(path));
assertTokenStreamContents(t,
new String[]{"/a/b/c", "a/b/c", "b/c", "c"},
new int[]{0, 1, 3, 5},
new int[]{6, 6, 6, 6},
new int[]{1, 0, 0, 0},
path.length());
}
public void testEndOfDelimiterReverse() throws Exception {
String path = "/a/b/c/";
ReversePathHierarchyTokenizer t = new ReversePathHierarchyTokenizer(newAttributeFactory(), DEFAULT_DELIMITER, DEFAULT_DELIMITER, DEFAULT_SKIP);
t.setReader(new StringReader(path));
assertTokenStreamContents(t,
new String[]{"/a/b/c/", "a/b/c/", "b/c/", "c/"},
new int[]{0, 1, 3, 5},
new int[]{7, 7, 7, 7},
new int[]{1, 0, 0, 0},
path.length());
}
public void testStartOfCharReverse() throws Exception {
String path = "a/b/c";
ReversePathHierarchyTokenizer t = new ReversePathHierarchyTokenizer(newAttributeFactory(), DEFAULT_DELIMITER, DEFAULT_DELIMITER, DEFAULT_SKIP);
t.setReader(new StringReader(path));
assertTokenStreamContents(t,
new String[]{"a/b/c", "b/c", "c"},
new int[]{0, 2, 4},
new int[]{5, 5, 5},
new int[]{1, 0, 0},
path.length());
}
public void testStartOfCharEndOfDelimiterReverse() throws Exception {
String path = "a/b/c/";
ReversePathHierarchyTokenizer t = new ReversePathHierarchyTokenizer(newAttributeFactory(), DEFAULT_DELIMITER, DEFAULT_DELIMITER, DEFAULT_SKIP);
t.setReader(new StringReader(path));
assertTokenStreamContents(t,
new String[]{"a/b/c/", "b/c/", "c/"},
new int[]{0, 2, 4},
new int[]{6, 6, 6},
new int[]{1, 0, 0},
path.length());
}
public void testOnlyDelimiterReverse() throws Exception {
String path = "/";
ReversePathHierarchyTokenizer t = new ReversePathHierarchyTokenizer(newAttributeFactory(), DEFAULT_DELIMITER, DEFAULT_DELIMITER, DEFAULT_SKIP);
t.setReader(new StringReader(path));
assertTokenStreamContents(t,
new String[]{"/"},
new int[]{0},
new int[]{1},
new int[]{1},
path.length());
}
public void testOnlyDelimitersReverse() throws Exception {
String path = "//";
ReversePathHierarchyTokenizer t = new ReversePathHierarchyTokenizer(newAttributeFactory(), DEFAULT_DELIMITER, DEFAULT_DELIMITER, DEFAULT_SKIP);
t.setReader(new StringReader(path));
assertTokenStreamContents(t,
new String[]{"//", "/"},
new int[]{0, 1},
new int[]{2, 2},
new int[]{1, 0},
path.length());
}
public void testEndOfDelimiterReverseSkip() throws Exception {
String path = "/a/b/c/";
ReversePathHierarchyTokenizer t = new ReversePathHierarchyTokenizer(newAttributeFactory(), DEFAULT_DELIMITER, DEFAULT_DELIMITER, 1);
t.setReader(new StringReader(path));
new StringReader(path);
assertTokenStreamContents(t,
new String[]{"/a/b/", "a/b/", "b/"},
new int[]{0, 1, 3},
new int[]{5, 5, 5},
new int[]{1, 0, 0},
path.length());
}
public void testStartOfCharReverseSkip() throws Exception {
String path = "a/b/c";
ReversePathHierarchyTokenizer t = new ReversePathHierarchyTokenizer(newAttributeFactory(), DEFAULT_DELIMITER, DEFAULT_DELIMITER, 1);
t.setReader(new StringReader(path));
assertTokenStreamContents(t,
new String[]{"a/b/", "b/"},
new int[]{0, 2},
new int[]{4, 4},
new int[]{1, 0},
path.length());
}
public void testStartOfCharEndOfDelimiterReverseSkip() throws Exception {
String path = "a/b/c/";
ReversePathHierarchyTokenizer t = new ReversePathHierarchyTokenizer(newAttributeFactory(), DEFAULT_DELIMITER, DEFAULT_DELIMITER, 1);
t.setReader(new StringReader(path));
assertTokenStreamContents(t,
new String[]{"a/b/", "b/"},
new int[]{0, 2},
new int[]{4, 4},
new int[]{1, 0},
path.length());
}
public void testOnlyDelimiterReverseSkip() throws Exception {
String path = "/";
ReversePathHierarchyTokenizer t = new ReversePathHierarchyTokenizer(newAttributeFactory(), DEFAULT_DELIMITER, DEFAULT_DELIMITER, 1);
t.setReader(new StringReader(path));
assertTokenStreamContents(t,
new String[]{},
new int[]{},
new int[]{},
new int[]{},
path.length());
}
public void testOnlyDelimitersReverseSkip() throws Exception {
String path = "//";
ReversePathHierarchyTokenizer t = new ReversePathHierarchyTokenizer(newAttributeFactory(), DEFAULT_DELIMITER, DEFAULT_DELIMITER, 1);
t.setReader(new StringReader(path));
assertTokenStreamContents(t,
new String[]{"/"},
new int[]{0},
new int[]{1},
new int[]{1},
path.length());
}
public void testReverseSkip2() throws Exception {
String path = "/a/b/c/";
ReversePathHierarchyTokenizer t = new ReversePathHierarchyTokenizer(newAttributeFactory(), DEFAULT_DELIMITER, DEFAULT_DELIMITER, 2);
t.setReader( new StringReader(path));
assertTokenStreamContents(t,
new String[]{"/a/", "a/"},
new int[]{0, 1},
new int[]{3, 3},
new int[]{1, 0},
path.length());
}
/** blast some random strings through the analyzer */
public void testRandomStrings() throws Exception {
Analyzer a = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName) {
Tokenizer tokenizer = new ReversePathHierarchyTokenizer(newAttributeFactory(), DEFAULT_DELIMITER, DEFAULT_DELIMITER, DEFAULT_SKIP);
return new TokenStreamComponents(tokenizer, tokenizer);
}
};
// TODO: properly support positionLengthAttribute
checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER, 20, false, false);
a.close();
}
/** 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) {
Tokenizer tokenizer = new ReversePathHierarchyTokenizer(newAttributeFactory(), DEFAULT_DELIMITER, DEFAULT_DELIMITER, DEFAULT_SKIP);
return new TokenStreamComponents(tokenizer, tokenizer);
}
};
// TODO: properly support positionLengthAttribute
checkRandomData(random, a, 100*RANDOM_MULTIPLIER, 1027, false, false);
a.close();
}
}