Edited README, added test methods the test class and renamed methods by its action, filled java docs, replaced redundant code scripts

test/TextTest.java

@@ -15,7 +15,7 @@ public class TextTest {
     ArrayList<String> stringListe;
 
     /**
-     * This method is here as a preparation for the test.
+     * This method prepares local parameters by resets them for each test method
      */
     @BeforeEach
     void setup() {
@@ -23,6 +23,58 @@ public class TextTest {
         txt = new Text();
     }
 
+    /**
+     * Test methode: indexNormalTest()
+     * <p>
+     * This test method checks, if the index method lists the words with all lines, in which they appear
+     * It should return "Word    1, 2" and "Test    1, 2, 3"
+     */
+    @Test
+    void indexNormalTest() {
+        txt.add("Word word Test");
+        txt.add("Word word etc. !!test zweite... Zeile");
+        txt.add("Lorem ipsum lorem ipsum   TEST");
+        stringListe = txt.index();
+        Assertions.assertEquals("Word    1, 2", stringListe.get(0));
+        Assertions.assertEquals("Test    1, 2, 3", stringListe.get(1));
+    }
+
+    /**
+     * Test method: indexMultipleWordsTest()
+     * <p>
+     * This method tests if the method get the first word, which appears multiple times
+     * Index() should return
+     */
+    @Test
+    void indexMultipleWordsTest() {
+        txt.add("Word Word Word Test");
+        Assertions.assertEquals("Word    1", txt.index().get(0));
+    }
+
+    /**
+     * Test method: indexEmptyTest()
+     * <p>
+     * Tests the method index(), when there are no text saved or available
+     * It should return an empty Array with the type String
+     */
+    @Test
+    void indexEmptyTest() {
+        Assertions.assertEquals(new ArrayList<String>(), txt.index());
+    }
+
+    /**
+     * Test method: indexWithAddedEmptyLine()
+     * <p>
+     * Test Method to check if the method index() is working with empty Strings
+     * It should return an empty ArrayList with the type String
+     */
+    @Test
+    void indexWithAddedEmptyLine() {
+        txt.add("");
+        Assertions.assertEquals(new ArrayList<String>(), txt.index());
+    }
+
+
     /**
      * Test Method for add and dummy methods
      */
@@ -75,47 +127,4 @@ public class TextTest {
         Assertions.assertEquals("Test Test hallo Test", txt.getText().get(2));
     }
 
-    /**
-     * Test methode for Index method
-     * For TestCase Positiv Testcase One, Three and Four Negativ Testcase Two
-     */
-    @Test
-    void indexTestOne() {
-        txt.add("Word word Test");
-        txt.add("Word word etc. !!test zweite... Zeile");
-        txt.add("Lorem ipsum lorem ipsum   TEST");
-        stringListe = txt.index();
-        Assertions.assertEquals("Word    1, 2", stringListe.get(0));
-        Assertions.assertEquals("Test    1, 2, 3", stringListe.get(1));
-    }
-
-    /**
-     * Test methode for Index method
-     * For TestCase Positiv Testcase Two
-     */
-    @Test
-    void indexTestTwo() {
-        txt.add("\"Word word Word Test");
-        stringListe = txt.index();
-        Assertions.assertEquals("Word    1", stringListe.get(0));
-    }
-
-    /**
-     * Test methode for Index method
-     * For TestCase Negativ Testcase One
-     */
-    @Test
-    void indexTestThree() {
-        stringListe = txt.index();
-        Assertions.assertEquals(0, stringListe.size());
-    }
-
-    /**
-     * Test Method to check if index is working with empty Strings
-     */
-    @Test
-    void indexTestFour() {
-        txt.add("");
-        txt.index();
-    }
 }