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Add test cases for commons.util.StringUtil.limitString() #137

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Oct 30, 2021
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Add test cases for commons.util.StringUtil.limitString() #137

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26 changes: 26 additions & 0 deletions src/test/java/seedu/address/commons/util/StringUtilTest.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
package seedu.address.commons.util;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static seedu.address.testutil.Assert.assertThrows;
Expand Down Expand Up @@ -140,4 +141,29 @@ public void getDetails_nullGiven_throwsNullPointerException() {
assertThrows(NullPointerException.class, () -> StringUtil.getDetails(null));
}

//---------------- Tests for limitString --------------------------------------
@Test
public void limitString_underLimit_returnsOriginalString() {
String testString = "Abcdefghij";
String replacementString = "...";
int stringLimit = 10;
assertEquals(StringUtil.limitString(testString, replacementString, stringLimit), testString);
}

@Test
public void limitString_overLimit_returnsUnderLimit() {
String testString = "Abcdefghijk";
String replacementString = "";
int stringLimit = 10;
assertEquals(StringUtil.limitString(testString, replacementString, stringLimit), "Abcdefghij");
}

@Test
public void limitString_overLimit_appendsReplacementString() {
String testString = "Abcdefghijk";
String replacementString = "...";
int stringLimit = 10;
assertEquals(StringUtil.limitString(testString, replacementString, stringLimit), "Abcdefg...");
}

}