Merge pull request #11401 from azhwani/BAEL-5113

BAEL-5113: Improve the Test Order Article

testing-modules/junit-5/src/test/java/com/baeldung/junit5/order/AlphanumericOrderUnitTest.java

@@ -3,29 +3,29 @@ package com.baeldung.junit5.order;
 import static org.junit.Assert.assertEquals;
 
 import org.junit.jupiter.api.AfterAll;
-import org.junit.jupiter.api.MethodOrderer.Alphanumeric;
+import org.junit.jupiter.api.MethodOrderer;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.TestMethodOrder;
 
-@TestMethodOrder(Alphanumeric.class)
+@TestMethodOrder(MethodOrderer.MethodName.class)
 public class AlphanumericOrderUnitTest {
     private static StringBuilder output = new StringBuilder("");
-    
+
     @Test
     public void myATest() {
         output.append("A");
     }
-    
+
     @Test
     public void myBTest() {
-        output.append("B");        
+        output.append("B");
     }
-    
+
     @Test
     public void myaTest() {
         output.append("a");
     }
- 
+
     @AfterAll
     public static void assertOutput() {
         assertEquals(output.toString(), "ABa");

testing-modules/junit-5/src/test/java/com/baeldung/junit5/order/DefaultOrderUnitTest.java

@@ -0,0 +1,36 @@
+package com.baeldung.junit5.order;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+public class DefaultOrderUnitTest {
+
+    private static StringBuilder output = new StringBuilder("");
+
+    @Test
+    @DisplayName("Test A")
+    public void myATest() {
+        output.append("A");
+    }
+
+    @Test
+    @DisplayName("Test B")
+    public void myBTest() {
+        output.append("B");
+    }
+
+    @Test
+    @DisplayName("Test C")
+    public void myCTest() {
+        output.append("C");
+    }
+
+    @AfterAll
+    public static void assertOutput() {
+        assertEquals(output.toString(), "ABC");
+    }
+
+}

testing-modules/junit-5/src/test/java/com/baeldung/junit5/order/RandomOrderUnitTest.java

@@ -0,0 +1,35 @@
+package com.baeldung.junit5.order;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.MethodOrderer;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.TestMethodOrder;
+
+@TestMethodOrder(MethodOrderer.Random.class)
+public class RandomOrderUnitTest {
+
+    private static StringBuilder output = new StringBuilder("");
+
+    @Test
+    public void myATest() {
+        output.append("A");
+    }
+
+    @Test
+    public void myBTest() {
+        output.append("B");
+    }
+
+    @Test
+    public void myCTest() {
+        output.append("C");
+    }
+
+    @AfterAll
+    public static void assertOutput() {
+        assertEquals(output.toString(), "ACB");
+    }
+
+}

testing-modules/junit-5/src/test/resources/junit-platform.properties

@@ -0,0 +1,2 @@
+junit.jupiter.execution.order.random.seed=100
+junit.jupiter.testmethod.order.default = org.junit.jupiter.api.MethodOrderer$DisplayName