package org.apache.lucene.analysis.path;
/*
* 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.
*/
import java.io.Reader;
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 org.apache.lucene.analysis.charfilter.MappingCharFilter;
import org.apache.lucene.analysis.charfilter.NormalizeCharMap;
import static org.apache.lucene.analysis.path.PathHierarchyTokenizer.DEFAULT_DELIMITER;
import static org.apache.lucene.analysis.path.PathHierarchyTokenizer.DEFAULT_SKIP;
public class TestPathHierarchyTokenizer extends BaseTokenStreamTestCase {
public void testBasic() throws Exception {
String path = "/a/b/c";
PathHierarchyTokenizer t = new PathHierarchyTokenizer(newAttributeFactory(), new StringReader(path), DEFAULT_DELIMITER, DEFAULT_DELIMITER, DEFAULT_SKIP);
assertTokenStreamContents(t,
new String[]{"/a", "/a/b", "/a/b/c"},
new int[]{0, 0, 0},
new int[]{2, 4, 6},
new int[]{1, 0, 0},
path.length());
}
public void testEndOfDelimiter() throws Exception {
String path = "/a/b/c/";
PathHierarchyTokenizer t = new PathHierarchyTokenizer(newAttributeFactory(), new StringReader(path), DEFAULT_DELIMITER, DEFAULT_DELIMITER, DEFAULT_SKIP);
assertTokenStreamContents(t,
new String[]{"/a", "/a/b", "/a/b/c", "/a/b/c/"},
new int[]{0, 0, 0, 0},
new int[]{2, 4, 6, 7},
new int[]{1, 0, 0, 0},
path.length());
}
public void testStartOfChar() throws Exception {
String path = "a/b/c";
PathHierarchyTokenizer t = new PathHierarchyTokenizer(newAttributeFactory(), new StringReader(path), DEFAULT_DELIMITER, DEFAULT_DELIMITER, DEFAULT_SKIP);
assertTokenStreamContents(t,
new String[]{"a", "a/b", "a/b/c"},
new int[]{0, 0, 0},
new int[]{1, 3, 5},
new int[]{1, 0, 0},
path.length());
}
public void testStartOfCharEndOfDelimiter() throws Exception {
String path = "a/b/c/";
PathHierarchyTokenizer t = new PathHierarchyTokenizer(newAttributeFactory(), new StringReader(path), DEFAULT_DELIMITER, DEFAULT_DELIMITER, DEFAULT_SKIP);
assertTokenStreamContents(t,
new String[]{"a", "a/b", "a/b/c", "a/b/c/"},
new int[]{0, 0, 0, 0},
new int[]{1, 3, 5, 6},
new int[]{1, 0, 0, 0},
path.length());
}
public void testOnlyDelimiter() throws Exception {
String path = "/";
PathHierarchyTokenizer t = new PathHierarchyTokenizer(newAttributeFactory(), new StringReader(path), DEFAULT_DELIMITER, DEFAULT_DELIMITER, DEFAULT_SKIP);
assertTokenStreamContents(t,
new String[]{"/"},
new int[]{0},
new int[]{1},
new int[]{1},
path.length());
}
public void testOnlyDelimiters() throws Exception {
String path = "//";
PathHierarchyTokenizer t = new PathHierarchyTokenizer(newAttributeFactory(), new StringReader(path), DEFAULT_DELIMITER, DEFAULT_DELIMITER, DEFAULT_SKIP);
assertTokenStreamContents(t,
new String[]{"/", "//"},
new int[]{0, 0},
new int[]{1, 2},
new int[]{1, 0},
path.length());
}
public void testReplace() throws Exception {
String path = "/a/b/c";
PathHierarchyTokenizer t = new PathHierarchyTokenizer(newAttributeFactory(), new StringReader(path), '/', '\\', DEFAULT_SKIP);
assertTokenStreamContents(t,
new String[]{"\\a", "\\a\\b", "\\a\\b\\c"},
new int[]{0, 0, 0},
new int[]{2, 4, 6},
new int[]{1, 0, 0},
path.length());
}
public void testWindowsPath() throws Exception {
String path = "c:\\a\\b\\c";
PathHierarchyTokenizer t = new PathHierarchyTokenizer(newAttributeFactory(), new StringReader(path), '\\', '\\', DEFAULT_SKIP);
assertTokenStreamContents(t,
new String[]{"c:", "c:\\a", "c:\\a\\b", "c:\\a\\b\\c"},
new int[]{0, 0, 0, 0},
new int[]{2, 4, 6, 8},
new int[]{1, 0, 0, 0},
path.length());
}
public void testNormalizeWinDelimToLinuxDelim() throws Exception {
NormalizeCharMap.Builder builder = new NormalizeCharMap.Builder();
builder.add("\\", "/");
NormalizeCharMap normMap = builder.build();
String path = "c:\\a\\b\\c";
Reader cs = new MappingCharFilter(normMap, new StringReader(path));
PathHierarchyTokenizer t = new PathHierarchyTokenizer(newAttributeFactory(), cs, DEFAULT_DELIMITER, DEFAULT_DELIMITER, DEFAULT_SKIP);
assertTokenStreamContents(t,
new String[]{"c:", "c:/a", "c:/a/b", "c:/a/b/c"},
new int[]{0, 0, 0, 0},
new int[]{2, 4, 6, 8},
new int[]{1, 0, 0, 0},
path.length());
}
public void testBasicSkip() throws Exception {
String path = "/a/b/c";
PathHierarchyTokenizer t = new PathHierarchyTokenizer(newAttributeFactory(), new StringReader(path), DEFAULT_DELIMITER, DEFAULT_DELIMITER, 1);
assertTokenStreamContents(t,
new String[]{"/b", "/b/c"},
new int[]{2, 2},
new int[]{4, 6},
new int[]{1, 0},
path.length());
}
public void testEndOfDelimiterSkip() throws Exception {
String path = "/a/b/c/";
PathHierarchyTokenizer t = new PathHierarchyTokenizer(newAttributeFactory(), new StringReader(path), DEFAULT_DELIMITER, DEFAULT_DELIMITER, 1);
assertTokenStreamContents(t,
new String[]{"/b", "/b/c", "/b/c/"},
new int[]{2, 2, 2},
new int[]{4, 6, 7},
new int[]{1, 0, 0},
path.length());
}
public void testStartOfCharSkip() throws Exception {
String path = "a/b/c";
PathHierarchyTokenizer t = new PathHierarchyTokenizer(newAttributeFactory(), new StringReader(path), DEFAULT_DELIMITER, DEFAULT_DELIMITER, 1);
assertTokenStreamContents(t,
new String[]{"/b", "/b/c"},
new int[]{1, 1},
new int[]{3, 5},
new int[]{1, 0},
path.length());
}
public void testStartOfCharEndOfDelimiterSkip() throws Exception {
String path = "a/b/c/";
PathHierarchyTokenizer t = new PathHierarchyTokenizer(newAttributeFactory(), new StringReader(path), DEFAULT_DELIMITER, DEFAULT_DELIMITER, 1);
assertTokenStreamContents(t,
new String[]{"/b", "/b/c", "/b/c/"},
new int[]{1, 1, 1},
new int[]{3, 5, 6},
new int[]{1, 0, 0},
path.length());
}
public void testOnlyDelimiterSkip() throws Exception {
String path = "/";
PathHierarchyTokenizer t = new PathHierarchyTokenizer(newAttributeFactory(), new StringReader(path), DEFAULT_DELIMITER, DEFAULT_DELIMITER, 1);
assertTokenStreamContents(t,
new String[]{},
new int[]{},
new int[]{},
new int[]{},
path.length());
}
public void testOnlyDelimitersSkip() throws Exception {
String path = "//";
PathHierarchyTokenizer t = new PathHierarchyTokenizer(newAttributeFactory(), new StringReader(path), DEFAULT_DELIMITER, DEFAULT_DELIMITER, 1);
assertTokenStreamContents(t,
new String[]{"/"},
new int[]{1},
new int[]{2},
new int[]{1},
path.length());
}
/** 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 PathHierarchyTokenizer(newAttributeFactory(), reader, DEFAULT_DELIMITER, DEFAULT_DELIMITER, DEFAULT_SKIP);
return new TokenStreamComponents(tokenizer, tokenizer);
}
};
// TODO: properly support positionLengthAttribute
checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER, 20, false, false);
}
/** 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 PathHierarchyTokenizer(newAttributeFactory(), reader, DEFAULT_DELIMITER, DEFAULT_DELIMITER, DEFAULT_SKIP);
return new TokenStreamComponents(tokenizer, tokenizer);
}
};
// TODO: properly support positionLengthAttribute
checkRandomData(random, a, 100*RANDOM_MULTIPLIER, 1027, false, false);
}
}