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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   https://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.commons.csv.issues;
20  
21  import static org.junit.jupiter.api.Assertions.assertEquals;
22  
23  import org.apache.commons.csv.CSVFormat;
24  import org.apache.commons.csv.QuoteMode;
25  import org.junit.jupiter.api.Test;
26  
27  public class JiraCsv148Test {
28  
29      @Test
30      public void testWithIgnoreSurroundingSpacesEmpty() {
31          // @formatter:off
32          final CSVFormat format = CSVFormat.DEFAULT.builder()
33              .setQuoteMode(QuoteMode.ALL)
34              .setIgnoreSurroundingSpaces(true)
35              .get();
36          // @formatter:on
37          assertEquals(
38                  "\"\",\" \",\" Single space on the left\",\"Single space on the right \"," +
39                          "\" Single spaces on both sides \",\"   Multiple spaces on the left\"," +
40                          "\"Multiple spaces on the right   \",\"  Multiple spaces on both sides     \"",
41                  format.format("", " ", " Single space on the left", "Single space on the right ", " Single spaces on both sides ",
42                          "   Multiple spaces on the left", "Multiple spaces on the right   ", "  Multiple spaces on both sides     "));
43      }
44  
45      /**
46       * The difference between withTrim()and withIgnoreSurroundingSpace()： difference: withTrim() can remove the leading and trailing spaces and newlines in
47       * quotation marks, while withIgnoreSurroundingSpace() cannot The same point: you can remove the leading and trailing spaces, tabs and other symbols.
48       */
49      @Test
50      public void testWithTrimEmpty() {
51          // @formatter:off
52          final CSVFormat format = CSVFormat.DEFAULT.builder()
53              .setQuoteMode(QuoteMode.ALL)
54              .setTrim(true)
55              .get();
56          // @formatter:on
57          assertEquals(
58                  "\"\",\"\",\"Single space on the left\",\"Single space on the right\"," + "\"Single spaces on both sides\",\"Multiple spaces on the left\"," +
59                          "\"Multiple spaces on the right\",\"Multiple spaces on both sides\"",
60                  format.format("", " ", " Single space on the left", "Single space on the right ", " Single spaces on both sides ",
61                          "   Multiple spaces on the left", "Multiple spaces on the right   ", "  Multiple spaces on both sides     "));
62      }
63  }