// Copyright 2011 Google Inc.
//
// Licensed 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 com.google.enterprise.connector.util.filter;
import com.google.enterprise.connector.spi.Document;
import com.google.enterprise.connector.spi.Value;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
/**
* Tests DocumentFilterChain.
*/
public class DocumentFilterChainTest extends DocumentFilterTest {
private List<DocumentFilterFactory> factoryList(DocumentFilterFactory... factories) {
List<DocumentFilterFactory> list = new LinkedList<DocumentFilterFactory>();
for (DocumentFilterFactory factory : factories) {
list.add(factory);
}
return list;
}
private DocumentFilterFactory newFactory(String name, String pattern,
String replacement) {
ModifyPropertyFilter factory = new ModifyPropertyFilter();
factory.setPropertyName(name);
factory.setPattern(pattern);
factory.setReplacement(replacement);
return factory;
}
/** Test that an empty chain returns original document. */
public void testEmptyChain() throws Exception {
DocumentFilterChain chain = new DocumentFilterChain();
Document original = createDocument();
Document filter = chain.newDocumentFilter(original);
assertSame(original, filter);
}
/** Test that multiple filters work in parallel. */
public void testMultipleFiltersDifferentProperties() throws Exception {
DocumentFilterChain chain = new DocumentFilterChain(factoryList(
newFactory(PROP1, PATTERN, SPACE),
newFactory(PROP3, PATTERN, SPACE)));
Map<String, List<Value>> expectedProps = createProperties();
expectedProps.put(PROP1, valueList(TEST_STRING, CLEAN_STRING));
expectedProps.put(PROP3, valueList(TEST_STRING, CLEAN_STRING, EXTRA_STRING));
checkDocument(chain.newDocumentFilter(createDocument()), expectedProps);
}
/** Test that multiple filters work in series. */
public void testMultipleFiltersSameProperty() throws Exception {
DocumentFilterChain chain = new DocumentFilterChain(factoryList(
newFactory(PROP1, PATTERN, "XYZZY"),
newFactory(PROP1, "XYZZY", SPACE)));
Map<String, List<Value>> expectedProps = createProperties();
expectedProps.put(PROP1, valueList(TEST_STRING,
TEST_STRING.replaceAll(PATTERN, "XYZZY"),
CLEAN_STRING));
checkDocument(chain.newDocumentFilter(createDocument()), expectedProps);
}
/**
* Test that multiple filters looking for non-matching things
* pass the document through unchanged.
*/
public void testMultipleFiltersSamePropertyNoMatch() throws Exception {
DocumentFilterChain chain = new DocumentFilterChain(factoryList(
newFactory(PROP1, "foobar", SPACE), newFactory(PROP3, "xyzzy", SPACE)));
checkDocument(chain.newDocumentFilter(createDocument()), createProperties());
}
}