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Improve test coverage of StringUtils 

This commit adds tests for `trimArrayElements()` and
`delimitedListToStringArray()` in StringUtils.

See gh-33298
This commit is contained in:
zinzo 2024-08-01 00:12:35 +09:00 committed by Stéphane Nicoll
parent f63fc01d22
commit a2cae4c8f4
1 changed files with 25 additions and 0 deletions
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25
spring-core/src/test/java/org/springframework/util/StringUtilsTests.java
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@ -783,4 +783,29 @@ class StringUtilsTests {
assertThat(StringUtils.truncate(text, 10)).isEqualTo(truncated);
}
@Test
void trimArrayElements() {
assertThat(StringUtils.trimArrayElements(null)).isNull();
assertThat(StringUtils.trimArrayElements(new String[]{})).isEmpty();
assertThat(StringUtils.trimArrayElements(new String[]{"", " ", " ", " "})).containsExactly("", "", "", "");
assertThat(StringUtils.trimArrayElements(new String[]{"\n", "\t ", "\n\t"})).containsExactly("", "", "");
assertThat(StringUtils.trimArrayElements(new String[]{"a", "b", "c"})).containsExactly("a", "b", "c");
assertThat(StringUtils.trimArrayElements(new String[]{" a ", " b b ", " cc "})).containsExactly("a", "b b", "cc");
assertThat(StringUtils.trimArrayElements(new String[]{" a ", "b", " c "})).containsExactly("a", "b", "c");
assertThat(StringUtils.trimArrayElements(new String[]{null, " a ", null})).containsExactly(null, "a", null);
}
@Test
void delimitedListToStringArray() {
assertThat(StringUtils.delimitedListToStringArray(null, ",", null)).isEmpty();
assertThat(StringUtils.delimitedListToStringArray("a,b,c", null, null)).containsExactly("a,b,c");
assertThat(StringUtils.delimitedListToStringArray("abc", "", null)).containsExactly("a", "b", "c");
assertThat(StringUtils.delimitedListToStringArray("a,b,c", ",", null)).containsExactly("a", "b", "c");
assertThat(StringUtils.delimitedListToStringArray("a,b,c", ",", "a")).containsExactly("", "b", "c");
assertThat(StringUtils.delimitedListToStringArray("a,b,c,", ",", null)).containsExactly("a", "b", "c", "");
assertThat(StringUtils.delimitedListToStringArray(",a,b,c", ",", null)).containsExactly("", "a", "b", "c");
assertThat(StringUtils.delimitedListToStringArray("abc", ",", null)).containsExactly("abc");
assertThat(StringUtils.delimitedListToStringArray("a,b,c", ",", ",")).containsExactly("a", "b", "c");
assertThat(StringUtils.delimitedListToStringArray("a,,b,,c", ",,", null)).containsExactly("a", "b", "c");
}
}