interviews/leetcode/string/src/test/java/OneEditDistanceRefactorTest.java at 2b774d1638254a52374ab43f14ccbc5ee574f87d · kdn251/interviews · GitHub

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import org.junit.Test;

import static org.junit.Assert.*;

public class OneEditDistanceRefactorTest {
    OneEditDistanceRefactor oneEditDistance = new OneEditDistanceRefactor();


    @Test
    public void testIsOneEditDistance_whenInsertOneCharacterInFirstString() {
        String str1 = "ABCD";
        String str2 = "ABBD";

        assertTrue(oneEditDistance.isOneEditDistance(str1, str2));
    }

    @Test
    public void testIsOneEditDistance_whenDeleteOneCharactersInFirstString() {
        String str1 = "ABCD";
        String str2 = "ABD";

        assertTrue(oneEditDistance.isOneEditDistance(str1, str2));
    }

    @Test
    public void testIsOneEditDistance_whenAddOneCharactersInFirstString() {
        String str1 = "ABDE";
        String str2 = "ABCDE";

        assertTrue(oneEditDistance.isOneEditDistance(str1, str2));
    }

    @Test
    public void testIsOneEditDistance_whenTwoStringAreEquals() {
        String str1 = "ABCD";
        String str2 = "ABCD";

        assertFalse(oneEditDistance.isOneEditDistance(str1, str2));
    }

    @Test
    public void testIsOneEditDistance_whenInsertTwoCharactersInFirstString() {
        String str1 = "ABCD";
        String str2 = "ABEF";

        assertFalse(oneEditDistance.isOneEditDistance(str1, str2));
    }

    @Test
    public void testIsOneEditDistance_whenDeleteTwoCharactersInFirstString() {
        String str1 = "ABCD";
        String str2 = "AB";

        assertFalse(oneEditDistance.isOneEditDistance(str1, str2));
    }

    @Test
    public void testIsOneEditDistance_whenAddTwoCharactersInFirstString() {
        String str1 = "ABCD";
        String str2 = "ABCDEF";

        assertFalse(oneEditDistance.isOneEditDistance(str1, str2));
    }

}