User service added login and returning token

buisnesslogic/src/test/java/com/plannaplan/services/UserServiceTest.java

@@ -0,0 +1,63 @@
+package com.plannaplan.services;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import com.plannaplan.entities.User;
+import com.plannaplan.exceptions.UserNotFoundException;
+import com.plannaplan.types.UserRoles;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.jupiter.api.TestMethodOrder;
+import org.junit.jupiter.api.MethodOrderer.OrderAnnotation;
+import org.junit.runner.RunWith;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+@ContextConfiguration
+@TestMethodOrder(OrderAnnotation.class)
+public class UserServiceTest {
+    public static String TEST_USER_MAIL = "noteexisitingmail@notexistingdomain.com";
+    public static String TEST_USER_NAME = "Tom";
+    public static String TEST_USER_SUERNAME = "Kovalsky";
+
+    @Autowired
+    UserService userService;
+
+    @Before
+    public void initialize() {
+        User testUser = new User();
+        testUser.setEmail(TEST_USER_MAIL);
+        testUser.setName(TEST_USER_NAME);
+        testUser.setSurname(TEST_USER_SUERNAME);
+        testUser.setRole(UserRoles.TEST_USER);
+        this.userService.save(testUser);
+    }
+
+    @Test
+    public void shouldReturnToken() {
+        try {
+            String token = this.userService.login(TEST_USER_MAIL);
+            System.out.println("Returned token: " + token);
+            assertTrue(token != null);
+        } catch (UserNotFoundException e) {
+            e.printStackTrace();
+            assertTrue(false);
+        }
+    }
+
+    @Test
+    public void shouldThrowException() {
+        try {
+            this.userService.login("thiseamilisnotindatabase@gmail.com");
+            assertTrue(false);
+        } catch (UserNotFoundException e) {
+            assertTrue(true);
+        }
+    }
+}