JiraCsv148Test.java

/*
 * 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
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 */
package org.apache.commons.csv.issues;

import static org.junit.jupiter.api.Assertions.assertEquals;

import org.apache.commons.csv.CSVFormat;
import org.apache.commons.csv.QuoteMode;
import org.junit.jupiter.api.Test;

public class JiraCsv148Test {

    @Test
    public void testWithIgnoreSurroundingSpacesEmpty() {
        // @formatter:off
        final CSVFormat format = CSVFormat.DEFAULT.builder()
            .setQuoteMode(QuoteMode.ALL)
            .setIgnoreSurroundingSpaces(true)
            .get();
        // @formatter:on
        assertEquals(
                "\"\",\" \",\" Single space on the left\",\"Single space on the right \"," +
                        "\" Single spaces on both sides \",\"   Multiple spaces on the left\"," +
                        "\"Multiple spaces on the right   \",\"  Multiple spaces on both sides     \"",
                format.format("", " ", " Single space on the left", "Single space on the right ", " Single spaces on both sides ",
                        "   Multiple spaces on the left", "Multiple spaces on the right   ", "  Multiple spaces on both sides     "));
    }

    /**
     * The difference between withTrim()and withIgnoreSurroundingSpace()��� difference: withTrim() can remove the leading and trailing spaces and newlines in
     * quotation marks, while withIgnoreSurroundingSpace() cannot The same point: you can remove the leading and trailing spaces, tabs and other symbols.
     */
    @Test
    public void testWithTrimEmpty() {
        // @formatter:off
        final CSVFormat format = CSVFormat.DEFAULT.builder()
            .setQuoteMode(QuoteMode.ALL)
            .setTrim(true)
            .get();
        // @formatter:on
        assertEquals(
                "\"\",\"\",\"Single space on the left\",\"Single space on the right\"," + "\"Single spaces on both sides\",\"Multiple spaces on the left\"," +
                        "\"Multiple spaces on the right\",\"Multiple spaces on both sides\"",
                format.format("", " ", " Single space on the left", "Single space on the right ", " Single spaces on both sides ",
                        "   Multiple spaces on the left", "Multiple spaces on the right   ", "  Multiple spaces on both sides     "));
    }
}