fix: unit test pipeline

Author: letdtcode

dao-factory/src/test/java/com/iluwatar/daofactory/AppTest.java

@@ -1,14 +1,70 @@
 package com.iluwatar.daofactory;
 
-import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
 
+import java.util.List;
+import org.bson.types.ObjectId;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
 /** {@link App} */
 class AppTest {
   /** Test ensure that no exception when execute main function */
+
+  private CustomerDAO<Long> mockLongCustomerDAO;
+  private CustomerDAO<ObjectId> mockObjectIdCustomerDAO;
+
+  @BeforeEach
+  void setUp() {
+    mockLongCustomerDAO = mock(CustomerDAO.class);
+    mockObjectIdCustomerDAO = mock(CustomerDAO.class);
+  }
+
+  @Test
+  void testPerformCreateCustomerWithLongId() {
+    Customer<Long> c1 = new Customer<>(1L, "Test1");
+    Customer<Long> c2 = new Customer<>(2L, "Test2");
+
+    when(mockLongCustomerDAO.findAll()).thenReturn(List.of(c1, c2));
+
+    App.performCreateCustomer(mockLongCustomerDAO, List.of(c1, c2));
+
+    verify(mockLongCustomerDAO).save(c1);
+    verify(mockLongCustomerDAO).save(c2);
+    verify(mockLongCustomerDAO).findAll();
+  }
+
+  @Test
+  void testPerformUpdateCustomerWithObjectId() {
+    ObjectId id = new ObjectId();
+    Customer<ObjectId> updatedCustomer = new Customer<>(id, "Updated");
+
+    when(mockObjectIdCustomerDAO.findAll()).thenReturn(List.of(updatedCustomer));
+
+    App.performUpdateCustomer(mockObjectIdCustomerDAO, updatedCustomer);
+
+    verify(mockObjectIdCustomerDAO).update(updatedCustomer);
+    verify(mockObjectIdCustomerDAO).findAll();
+  }
+
+  @Test
+  void testPerformDeleteCustomerWithLongId() {
+    Long id = 100L;
+    Customer<Long> remainingCustomer = new Customer<>(1L, "Remaining");
+
+    when(mockLongCustomerDAO.findAll()).thenReturn(List.of(remainingCustomer));
+
+    App.performDeleteCustomer(mockLongCustomerDAO, id);
+
+    verify(mockLongCustomerDAO).delete(id);
+    verify(mockLongCustomerDAO).findAll();
+  }
+
   @Test
-  void shouldExecuteDaoWithoutException() {
-    assertDoesNotThrow(() -> App.main(new String[] {}));
+  void testDeleteSchema() {
+    App.deleteSchema(mockLongCustomerDAO);
+    verify(mockLongCustomerDAO).deleteSchema();
   }
 }