Update to JUnit5 across all modules (#1668)

* Updated saga to JUnit 5

* Update fix for CI job in trampoline module

* Updated update-method module to JUnit 5

* Upgraded to latest JUnit Jupiter
JUnit 4 is not needed when using JUnit-Vintage

* Reverted change to access modifier on Trampoline

* Cleanup to resolve code smells

* Formatting

* Formatting

* Migrating to JUnit5 and updating some Mockito patterns

* Migrating to JUnit5

* Migrating to JUnit5

* Migrating to JUnit 5

* Formatting cleanup

* Added missing scope for junit

* Fixed tests that were not running previously.

Co-authored-by: Subhrodip Mohanta <hello@subho.xyz>

sharding/src/test/java/com/iluwatar/sharding/AppTest.java

@@ -23,17 +23,17 @@
 
 package com.iluwatar.sharding;
 
-import org.junit.Test;
-
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 
+import org.junit.jupiter.api.Test;
+
 /**
  * Unit tests for App class.
  */
-public class AppTest {
+class AppTest {
 
   @Test
-  public void shouldExecuteWithoutException() {
+  void shouldExecuteWithoutException() {
     assertDoesNotThrow(() -> App.main(new String[]{}));
   }
 

sharding/src/test/java/com/iluwatar/sharding/HashShardManagerTest.java

@@ -23,22 +23,22 @@
 
 package com.iluwatar.sharding;
 
-import org.junit.After;
-import org.junit.Assert;
-import org.junit.Before;
-import org.junit.Test;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
 /**
  * Unit tests for HashShardManager class.
  */
-public class HashShardManagerTest {
+class HashShardManagerTest {
 
   private HashShardManager hashShardManager;
 
   /**
    * Initialize hashShardManager instance.
    */
-  @Before
+  @BeforeEach
   public void setup() {
     hashShardManager = new HashShardManager();
     var shard1 = new Shard(1);
@@ -49,16 +49,11 @@ public class HashShardManagerTest {
     hashShardManager.addNewShard(shard3);
   }
 
-  @After
-  public void tearDown() {
-
-  }
-
   @Test
-  public void testStoreData() {
+  void testStoreData() {
     var data = new Data(1, "test", Data.DataType.TYPE_1);
     hashShardManager.storeData(data);
-    Assert.assertEquals(data, hashShardManager.getShardById(1).getDataById(1));
+    assertEquals(data, hashShardManager.getShardById(1).getDataById(1));
   }
 
 }

sharding/src/test/java/com/iluwatar/sharding/LookupShardManagerTest.java

@@ -23,22 +23,24 @@
 
 package com.iluwatar.sharding;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.fail;
+
 import java.util.Map;
-import org.junit.Assert;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
 /**
  * Unit tests for LookupShardManager class.
  */
-public class LookupShardManagerTest {
+class LookupShardManagerTest {
 
   private LookupShardManager lookupShardManager;
 
   /**
    * Initialize lookupShardManager instance.
    */
-  @Before
+  @BeforeEach
   public void setup() {
     lookupShardManager = new LookupShardManager();
     var shard1 = new Shard(1);
@@ -50,7 +52,7 @@ public class LookupShardManagerTest {
   }
 
   @Test
-  public void testStoreData() {
+  void testStoreData() {
     try {
       var data = new Data(1, "test", Data.DataType.TYPE_1);
       lookupShardManager.storeData(data);
@@ -59,9 +61,9 @@ public class LookupShardManagerTest {
       var lookupMap = (Map<Integer, Integer>) field.get(lookupShardManager);
       var shardId = lookupMap.get(1);
       var shard = lookupShardManager.getShardById(shardId);
-      Assert.assertEquals(data, shard.getDataById(1));
+      assertEquals(data, shard.getDataById(1));
     } catch (NoSuchFieldException | IllegalAccessException e) {
-      Assert.fail("Fail to modify field access.");
+      fail("Fail to modify field access.");
     }
   }
 }

sharding/src/test/java/com/iluwatar/sharding/RangeShardManagerTest.java

@@ -23,21 +23,22 @@
 
 package com.iluwatar.sharding;
 
-import org.junit.Assert;
-import org.junit.Before;
-import org.junit.Test;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
 /**
  * Unit tests for RangeShardManager class.
  */
-public class RangeShardManagerTest {
+class RangeShardManagerTest {
 
   private RangeShardManager rangeShardManager;
 
   /**
    * Initialize rangeShardManager instance.
    */
-  @Before
+  @BeforeEach
   public void setup() {
     rangeShardManager = new RangeShardManager();
     var shard1 = new Shard(1);
@@ -49,10 +50,10 @@ public class RangeShardManagerTest {
   }
 
   @Test
-  public void testStoreData() {
+  void testStoreData() {
     var data = new Data(1, "test", Data.DataType.TYPE_1);
     rangeShardManager.storeData(data);
-    Assert.assertEquals(data, rangeShardManager.getShardById(1).getDataById(1));
+    assertEquals(data, rangeShardManager.getShardById(1).getDataById(1));
   }
 
 }

sharding/src/test/java/com/iluwatar/sharding/ShardManagerTest.java

@@ -23,49 +23,46 @@
 
 package com.iluwatar.sharding;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.junit.jupiter.api.Assertions.fail;
+
 import java.util.Map;
-import org.junit.After;
-import org.junit.Assert;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
 /**
  * Unit tests for ShardManager class.
  */
-public class ShardManagerTest {
+class ShardManagerTest {
 
   private ShardManager shardManager;
 
   /**
    * Initialize shardManager instance.
    */
-  @Before
-  public void setup() {
+  @BeforeEach
+  void setup() {
     shardManager = new TestShardManager();
   }
 
-  @After
-  public void tearDown() {
-
-  }
-
   @Test
-  public void testAddNewShard() {
+  void testAddNewShard() {
     try {
       var shard = new Shard(1);
       shardManager.addNewShard(shard);
       var field = ShardManager.class.getDeclaredField("shardMap");
       field.setAccessible(true);
       var map = (Map<Integer, Shard>) field.get(shardManager);
-      Assert.assertEquals(1, map.size());
-      Assert.assertEquals(shard, map.get(1));
+      assertEquals(1, map.size());
+      assertEquals(shard, map.get(1));
     } catch (NoSuchFieldException | IllegalAccessException e) {
-      Assert.fail("Fail to modify field access.");
+      fail("Fail to modify field access.");
     }
   }
 
   @Test
-  public void testRemoveShardById() {
+  void testRemoveShardById() {
     try {
       var shard = new Shard(1);
       shardManager.addNewShard(shard);
@@ -73,19 +70,19 @@ public class ShardManagerTest {
       var field = ShardManager.class.getDeclaredField("shardMap");
       field.setAccessible(true);
       var map = (Map<Integer, Shard>) field.get(shardManager);
-      Assert.assertEquals(true, flag);
-      Assert.assertEquals(0, map.size());
+      assertTrue(flag);
+      assertEquals(0, map.size());
     } catch (IllegalAccessException | NoSuchFieldException e) {
-      Assert.fail("Fail to modify field access.");
+      fail("Fail to modify field access.");
     }
   }
 
   @Test
-  public void testGetShardById() {
+  void testGetShardById() {
     var shard = new Shard(1);
     shardManager.addNewShard(shard);
     var tmpShard = shardManager.getShardById(1);
-    Assert.assertEquals(shard, tmpShard);
+    assertEquals(shard, tmpShard);
   }
 
   class TestShardManager extends ShardManager {

sharding/src/test/java/com/iluwatar/sharding/ShardTest.java

@@ -23,50 +23,47 @@
 
 package com.iluwatar.sharding;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.fail;
+
 import java.util.HashMap;
 import java.util.Map;
-import org.junit.After;
-import org.junit.Assert;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
 
 /**
  * Unit tests for Shard class.
  */
-public class ShardTest {
+class ShardTest {
 
   private Data data;
 
   private Shard shard;
 
-  @Before
+  @BeforeEach
   public void setup() {
     data = new Data(1, "test", Data.DataType.TYPE_1);
     shard = new Shard(1);
   }
 
-  @After
-  public void tearDown() {
-  }
-
   @Test
-  public void testStoreData() {
+  void testStoreData() {
     try {
       shard.storeData(data);
       var field = Shard.class.getDeclaredField("dataStore");
       field.setAccessible(true);
       var dataMap = (Map<Integer, Data>) field.get(shard);
-      Assert.assertEquals(1, dataMap.size());
-      Assert.assertEquals(data, dataMap.get(1));
+      assertEquals(1, dataMap.size());
+      assertEquals(data, dataMap.get(1));
     } catch (NoSuchFieldException | IllegalAccessException e) {
-      Assert.fail("Fail to modify field access.");
+      fail("Fail to modify field access.");
     }
 
   }
 
   @Test
-  public void testClearData() {
+  void testClearData() {
     try {
       var dataMap = new HashMap<Integer, Data>();
       dataMap.put(1, data);
@@ -75,9 +72,9 @@ public class ShardTest {
       field.set(shard, dataMap);
       shard.clearData();
       dataMap = (HashMap<Integer, Data>) field.get(shard);
-      Assert.assertEquals(0, dataMap.size());
+      assertEquals(0, dataMap.size());
     } catch (NoSuchFieldException | IllegalAccessException e) {
-      Assert.fail("Fail to modify field access.");
+      fail("Fail to modify field access.");
     }
   }
 }