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BAEL-5693 rm whitespace from a string (#12515)

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Kai Yuan 2022-07-22 04:58:46 +02:00 committed by GitHub
parent 8d894df26a
commit 6b8313682e
1 changed files with 35 additions and 0 deletions
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35
core-java-modules/core-java-string-operations-4/src/test/java/com/baeldung/removewhitespace/RemoveWhitespaceUnitTest.java Normal file
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package com.baeldung.removewhitespace;
import org.apache.commons.lang3.StringUtils;
import org.junit.jupiter.api.Test;
import static org.assertj.core.api.Assertions.assertThat;
class RemoveWhitespaceUnitTest {
private final String myString = " I am a wonderful String ! ";
@Test
void givenStringWithWhitespace_whenRemoveAllWhitespace_shouldGetExpectedResult() {
String result = myString.replaceAll("\\s", "");
assertThat(result).isEqualTo("IamawonderfulString!");
}
@Test
void givenStringWithWhitespace_whenRemoveAllWhitespaceUsingStringUtils_shouldGetExpectedResult() {
String result = StringUtils.deleteWhitespace(myString);
assertThat(result).isEqualTo("IamawonderfulString!");
}
@Test
void givenStringWithWhitespace_whenReplaceConsecutiveSpacesWithSingleSpace_shouldGetExpectedResult() {
String result = myString.replaceAll("\\s+", " ");
assertThat(result).isEqualTo(" I am a wonderful String ! ");
assertThat(result.trim()).isEqualTo("I am a wonderful String !");
}
@Test
void givenStringWithWhitespace_whenNormalizeWithApacheCommons_shouldGetExpectedResult() {
String result = StringUtils.normalizeSpace(myString);
assertThat(result).isEqualTo("I am a wonderful String !");
}
}