| /* |
| * 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.rat.header; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.StringReader; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| |
| public class FilteringSequenceFactoryTest { |
| |
| private int capacity; |
| private FilteringSequenceFactory factory; |
| private SimpleCharFilter filter; |
| |
| @Before |
| public void setUp() throws Exception { |
| capacity = 50; |
| filter = new SimpleCharFilter(); |
| factory = new FilteringSequenceFactory(capacity, filter); |
| } |
| |
| @Test |
| public void noFiltering() throws Exception { |
| final String INPUT = "Whatever"; |
| StringReader reader = new StringReader(INPUT); |
| CharSequence result = factory.filter(reader); |
| assertNotNull(result); |
| String output = result.toString(); |
| assertEquals("No filtering so input equals output.", INPUT, output); |
| reader = new StringReader(INPUT); |
| result = factory.filter(reader); |
| assertNotNull(result); |
| output = result.toString(); |
| assertEquals("No filtering so input equals output. Independent of previous input", INPUT, output); |
| } |
| |
| @Test |
| public void filtering() throws Exception { |
| final String INPUT = "Whatever"; |
| StringReader reader = new StringReader(INPUT); |
| CharSequence result = factory.filter(reader); |
| assertNotNull(result); |
| String output = result.toString(); |
| assertEquals("No filtering so input equals output.", INPUT, output); |
| filter.filterOut = true; |
| reader = new StringReader(INPUT); |
| result = factory.filter(reader); |
| assertNotNull(result); |
| assertEquals("All filtered output is empty. Independent of previous input", 0, result.length()); |
| } |
| |
| @Test |
| public void overCapacity() throws Exception { |
| final String INPUT = "WhateverWhateverWhateverWhateverWhateverWhateverWhateverWhateverWhateverWhatever"; |
| StringReader reader = new StringReader(INPUT); |
| CharSequence result = factory.filter(reader); |
| assertNotNull(result); |
| String output = result.toString(); |
| assertEquals("No filtering so input equals output.", INPUT.substring(0, capacity), output); |
| } |
| } |