ci(citrus-base): add string utils tests

core/citrus-base/src/main/java/org/citrusframework/util/StringUtils.java

@@ -27,17 +27,13 @@ private StringUtils() {
 
     /**
      * Helper method checks for non-null and non-blank String.
-     * @param str
-     * @return
      */
     public static boolean hasText(String str) {
         return str != null && !str.isBlank();
     }
 
     /**
      * String helper checking for isEmpty String and adds null check on given parameter.
-     * @param str
-     * @return
      */
     public static boolean isEmpty(String str) {
         return str == null || str.isEmpty();

core/citrus-base/src/test/java/org/citrusframework/util/StringUtilsTest.java

@@ -0,0 +1,56 @@
+package org.citrusframework.util;
+
+import static org.citrusframework.util.StringUtils.hasText;
+import static org.citrusframework.util.StringUtils.isEmpty;
+import static org.testng.Assert.assertFalse;
+import static org.testng.Assert.assertTrue;
+
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.Test;
+
+public class StringUtilsTest {
+
+    @DataProvider
+    public static Object[][] text() {
+        return new Object[][]{{"foo"}};
+    }
+
+    @DataProvider
+    public static Object[][] blankText() {
+        return new Object[][]{{" "}};
+    }
+
+    @DataProvider
+    public static Object[][] emptyText() {
+        return new Object[][]{{null}, {""}};
+    }
+
+    @Test(dataProvider = "text")
+    public void hasText_returnsTrue(String str) {
+        assertTrue(hasText(str));
+    }
+
+    @Test(dataProvider = "blankText")
+    public void hasText_returnsFalse_forBlankText(String str) {
+        assertFalse(hasText(str));
+    }
+    @Test(dataProvider = "emptyText")
+    public void hasText_returnsFalse_forEmptyText(String str) {
+        assertFalse(hasText(str));
+    }
+
+    @Test(dataProvider = "emptyText")
+    public void isEmpty_returnsTrue(String str) {
+        assertTrue(isEmpty(str));
+    }
+
+    @Test(dataProvider = "text")
+    public void isEmpty_returnsFalse_forText(String str) {
+        assertFalse(isEmpty(str));
+    }
+
+    @Test(dataProvider = "blankText")
+    public void isEmpty_returnsFalse_forBlankText(String str) {
+        assertFalse(isEmpty(str));
+    }
+}