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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      https://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.io.filefilter;
18  
19  import static org.junit.jupiter.api.Assertions.assertEquals;
20  
21  import java.io.File;
22  import java.util.Objects;
23  import java.util.stream.Stream;
24  
25  import org.apache.commons.io.file.PathUtils;
26  
27  public abstract class AbstractIOFileFilterTest {
28  
29      final class TesterFalseFileFilter extends FalseFileFilter {
30  
31          private static final long serialVersionUID = -3603047664010401872L;
32          private boolean invoked;
33  
34          @Override
35          public boolean accept(final File file) {
36              setInvoked(true);
37              return super.accept(file);
38          }
39  
40          @Override
41          public boolean accept(final File file, final String str) {
42              setInvoked(true);
43              return super.accept(file, str);
44          }
45  
46          public boolean isInvoked() {
47              return this.invoked;
48          }
49  
50          public void reset() {
51              setInvoked(false);
52          }
53  
54          public void setInvoked(final boolean invoked) {
55              this.invoked = invoked;
56          }
57      }
58  
59      final class TesterTrueFileFilter extends TrueFileFilter {
60  
61          private static final long serialVersionUID = 1828930358172422914L;
62          private boolean invoked;
63  
64          @Override
65          public boolean accept(final File file) {
66              setInvoked(true);
67              return super.accept(file);
68          }
69  
70          @Override
71          public boolean accept(final File file, final String str) {
72              setInvoked(true);
73              return super.accept(file, str);
74          }
75  
76          public boolean isInvoked() {
77              return this.invoked;
78          }
79  
80          public void reset() {
81              setInvoked(false);
82          }
83  
84          public void setInvoked(final boolean invoked) {
85              this.invoked = invoked;
86          }
87      }
88  
89      public static void assertFalseFiltersInvoked(final int testNumber, final TesterFalseFileFilter[] filters, final boolean[] invoked) {
90          for (int i = 1; i < filters.length; i++) {
91              assertEquals(invoked[i - 1], filters[i].isInvoked(), "test " + testNumber + " filter " + i + " invoked");
92          }
93      }
94  
95      public static void assertFileFiltering(final int testNumber, final IOFileFilter filter, final File file, final boolean expected) {
96          assertEquals(expected, filter.accept(file),
97                  "test " + testNumber + " Filter(File) " + filter.getClass().getName() + " not " + expected + " for " + file);
98          assertEquals(expected, filter.matches(file.toPath()),
99                  "test " + testNumber + " Filter(File) " + filter.getClass().getName() + " not " + expected + " for " + file);
100     }
101 
102     public static void assertFilenameFiltering(final int testNumber, final IOFileFilter filter, final File file, final boolean expected) {
103         // Assumes file has a parent and is not passed as null
104         assertEquals(expected, filter.accept(file.getParentFile(), file.getName()),
105                 "test " + testNumber + " Filter(File, String) " + filter.getClass().getName() + " not " + expected + " for " + file);
106     }
107 
108     public static void assertFiltering(final int testNumber, final IOFileFilter filter, final File file, final boolean expected) {
109         // Note. This only tests the (File, String) version if the parent of
110         //       the File passed in is not null
111         assertEquals(expected, filter.accept(file),
112             "test " + testNumber + " Filter(File) " + filter.getClass().getName() + " not " + expected + " for " + file);
113         assertEquals(expected, filter.accept(file.toPath(), null),
114                 "test " + testNumber + " Filter(File) " + filter.getClass().getName() + " not " + expected + " for " + file);
115 
116         if (file.getParentFile() != null) {
117             assertEquals(expected, filter.accept(file.getParentFile(), file.getName()),
118                     "test " + testNumber + " Filter(File, String) " + filter.getClass().getName() + " not " + expected + " for " + file);
119             assertEquals(expected, filter.matches(file.toPath()),
120                     "test " + testNumber + " Filter(File) " + filter.getClass().getName() + " not " + expected + " for " + file);
121         }
122     }
123 
124     public static void assertTrueFiltersInvoked(final int testNumber, final TesterTrueFileFilter[] filters, final boolean[] invoked) {
125         for (int i = 1; i < filters.length; i++) {
126             assertEquals(invoked[i - 1], filters[i].isInvoked(), "test " + testNumber + " filter " + i + " invoked");
127         }
128     }
129 
130     public static File getWorkingDirectoryPath(final String key, final String defaultPath) {
131         // Look for a system property to specify the working directory
132         return PathUtils.getPath(key, defaultPath).toFile();
133     }
134 
135     public static void resetFalseFilters(final TesterFalseFileFilter[] filters) {
136         Stream.of(filters).filter(Objects::nonNull).forEach(TesterFalseFileFilter::reset);
137     }
138 
139     public static void resetTrueFilters(final TesterTrueFileFilter[] filters) {
140         Stream.of(filters).filter(Objects::nonNull).forEach(TesterTrueFileFilter::reset);
141     }
142 }