refactor(tests): use ParameterizedTest for UtilsTest.normalize

Author: abahgat

src/test/java/com/abahgat/suffixtree/UtilsTest.java

@@ -17,22 +17,24 @@
 
 import java.util.Set;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.CsvSource;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import com.abahgat.suffixtree.Utils;
 
 public class UtilsTest {
 
-    @Test
-    public void testNormalize() {
-        String[] ins = new String[]{"200 S Main St", "Lakeshore Dr.", "lake-view", "St. Jacob's Cathedral"};
-        String[] outs = new String[]{"200smainst", "lakeshoredr", "lakeview", "stjacobscathedral"};
-
-        for (int i = 0; i < ins.length; ++i) {
-            String result = Utils.normalize(ins[i]);
-            assertEquals(outs[i], result);
-        }
+    @ParameterizedTest
+    @CsvSource({
+        "200 S Main St, 200smainst", 
+        "Lakeshore Dr., lakeshoredr", 
+        "lake-view, lakeview", 
+        "St. Jacob's Cathedral, stjacobscathedral"
+    })
+    public void testNormalize(String input, String expected) {
+        assertEquals(expected, Utils.normalize(input));
     }
 
     @Test