diff --git a/pom.xml b/pom.xml
index 3d8377c..d940a6d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -54,6 +54,11 @@
             <artifactId>postgresql</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.security</groupId>
+            <artifactId>spring-security-test</artifactId>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
     <dependencyManagement>
         <dependencies>
@@ -73,7 +78,17 @@
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.1</version>
+                <configuration>
+                    <source>10</source>
+                    <target>10</target>
+                    <encoding>UTF-8</encoding>
+                </configuration>
+            </plugin>
         </plugins>
     </build>
 
-</project>
+</project>
\ No newline at end of file
diff --git a/src/test/java/com/skypro/simplebanking/SimpleBankingApplicationTests.java b/src/test/java/com/skypro/simplebanking/SimpleBankingApplicationTests.java
index 1d4dd66..8518939 100644
--- a/src/test/java/com/skypro/simplebanking/SimpleBankingApplicationTests.java
+++ b/src/test/java/com/skypro/simplebanking/SimpleBankingApplicationTests.java
@@ -1,9 +1,38 @@
 package com.skypro.simplebanking;
 
 import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.DynamicPropertyRegistry;
+import org.springframework.test.context.DynamicPropertySource;
+import org.testcontainers.containers.PostgreSQLContainer;
+import org.testcontainers.junit.jupiter.Container;
+import org.testcontainers.junit.jupiter.Testcontainers;
+
+import javax.sql.DataSource;
+
 
 @SpringBootTest
+@Testcontainers
 class SimpleBankingApplicationTests {
 
-}
+    @Container
+    private static final PostgreSQLContainer<?> postgres = new PostgreSQLContainer<>("postgres:13")
+            .withUsername("postgres")
+            .withPassword("postgres");
+
+    @DynamicPropertySource
+    static void postgresProperties(DynamicPropertyRegistry registry) {
+        registry.add("spring.datasource.url", postgres::getJdbcUrl);
+        registry.add("spring.datasource.username", postgres::getUsername);
+        registry.add("spring.datasource.password", postgres::getPassword);
+    }
+
+    @Autowired
+    private DataSource dataSource;
+
+    @Test
+    void contextLoads() {
+    }
+
+}
\ No newline at end of file
diff --git a/src/test/java/com/skypro/simplebanking/controller/UserControllerTest.java b/src/test/java/com/skypro/simplebanking/controller/UserControllerTest.java
new file mode 100644
index 0000000..af0af29
--- /dev/null
+++ b/src/test/java/com/skypro/simplebanking/controller/UserControllerTest.java
@@ -0,0 +1,250 @@
+package com.skypro.simplebanking.controller;
+
+import com.skypro.simplebanking.dto.AccountDTO;
+import com.skypro.simplebanking.dto.BalanceChangeRequest;
+import com.skypro.simplebanking.dto.BankingUserDetails;
+import com.skypro.simplebanking.entity.Account;
+import com.skypro.simplebanking.entity.User;
+import com.skypro.simplebanking.repository.AccountRepository;
+import com.skypro.simplebanking.repository.UserRepository;
+import com.skypro.simplebanking.service.UserService;
+import net.minidev.json.JSONObject;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.test.context.support.WithMockUser;
+import org.springframework.test.context.DynamicPropertyRegistry;
+import org.springframework.test.context.DynamicPropertySource;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.util.Base64Utils;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.testcontainers.containers.PostgreSQLContainer;
+import org.testcontainers.junit.jupiter.Container;
+import org.testcontainers.junit.jupiter.Testcontainers;
+
+import javax.sql.DataSource;
+import java.nio.charset.StandardCharsets;
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+
+@SpringBootTest
+@AutoConfigureMockMvc
+@Testcontainers
+public class UserControllerTest {
+    @Autowired
+    MockMvc mockMvc;
+    @Autowired
+    private DataSource dataSource;
+    @Container
+    private static final PostgreSQLContainer<?> postgres = new PostgreSQLContainer<>("postgres:latest")
+            .withUsername("postgres")
+            .withPassword("postgres");
+
+    @DynamicPropertySource
+    static void postgresProperties(DynamicPropertyRegistry registry) {
+        registry.add("spring.datasource.url", postgres::getJdbcUrl);
+        registry.add("spring.datasource.username", postgres::getUsername);
+        registry.add("spring.datasource.password", postgres::getPassword);
+    }
+
+
+    @Autowired
+    private UserRepository userRepository;
+    @Autowired
+    private AccountRepository accountRepository;
+    @Autowired
+    private UserService userService;
+
+
+    @BeforeEach
+    void createRepository() {
+        userService.createUser("username1","password1" );
+        userService.createUser("username2","password2" );
+        userService.createUser("username3","password3" );
+        userService.createUser("username4","password4" );
+        userService.createUser("username5","password5" );
+    }
+
+    @AfterEach
+    void cleanRepository() {
+        userRepository.deleteAll();
+        accountRepository.deleteAll();
+    }
+
+    @Test
+    void testPostgresql() throws SQLException {
+        try (Connection conn = dataSource.getConnection()) {
+            assertThat(conn).isNotNull();
+        }
+    }
+
+    @Test
+    void getTranzaction_Test_OK() throws Exception {
+        JSONObject transfer = new JSONObject();
+        transfer.put("fromAccountId", getAccountIdByUsername("username1"));
+        transfer.put("toUserId", getUserIdByUserName("username2"));
+        transfer.put("toAccountId", getAccountIdByUsername("username2"));
+        transfer.put("amount", 1);
+
+        mockMvc.perform(post("/transfer")
+                        .header(HttpHeaders.AUTHORIZATION, getBasicAuthenticationHeader("username1", "password1"))
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(transfer.toString()))
+                .andExpect(status().isOk());
+    }
+
+    @Test
+    @WithMockUser(roles = "USER")
+    void givenUsers_OK() throws Exception {
+        mockMvc.perform(get("/user/list"))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$").isArray())
+                .andExpect(jsonPath("$").isNotEmpty())
+                .andExpect(jsonPath("$.length()").value(5));
+    }
+
+
+    @Test
+    @WithMockUser(roles = "USER")
+    void givenNoBody_whenEmptyJsonArray() throws Exception {
+        userRepository.deleteAll();
+        mockMvc.perform(get("/user/list"))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$").isArray())
+                .andExpect(jsonPath("$").isEmpty());
+    }
+
+    @Test
+    @WithMockUser(roles = "ADMIN")
+    void givenUsers_AdminNoAccess_Error403() throws Exception {
+        mockMvc.perform(get("/user/list"))
+                .andExpect(status().is4xxClientError());
+    }
+
+    private String getBasicAuthenticationHeader(String username, String password) {
+        return "Basic " + Base64Utils.encodeToString((username + ":" + password).getBytes(StandardCharsets.UTF_8));
+    }
+
+    @Test
+    void getTranzaction_Test_WrongAccountCurrency_Status400() throws Exception {
+
+        JSONObject transfer = new JSONObject();
+        transfer.put("fromAccountId", 1);
+        transfer.put("toUserId", 2);
+        transfer.put("toAccountId", 5);
+        transfer.put("amount", 1);
+
+        mockMvc.perform(post("/transfer")
+                        .header(HttpHeaders.AUTHORIZATION, getBasicAuthenticationHeader("username1", "password1"))
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(transfer.toString()))
+                .andExpect(status().is4xxClientError());
+    }
+
+    @Test
+    void getTranzaction_Test_AccountNotFoundException() throws Exception {
+
+        JSONObject transfer = new JSONObject();
+        transfer.put("fromAccountId", 1);
+        transfer.put("toUserId", 2);
+        transfer.put("toAccountId", 44);
+        transfer.put("amount", 1);
+
+        mockMvc.perform(post("/transfer")
+                        .header(HttpHeaders.AUTHORIZATION, getBasicAuthenticationHeader("username1", "password1"))
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(transfer.toString()))
+                .andExpect(status().is4xxClientError());
+    }
+
+    @Test
+    void getMyProfile_Test_OK() throws Exception {
+        mockMvc.perform(get("/user/me")
+                .header(HttpHeaders.AUTHORIZATION, getBasicAuthenticationHeader("username1", "password1")))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.username").value("username1"))
+                .andExpect(jsonPath("$.accounts.length()").value(3));
+    }
+
+    @Test
+    @WithMockUser(roles = "ADMIN")
+    void createUser_Test_OK() throws Exception {
+        JSONObject userRequest = new JSONObject();
+        userRequest.put("username", "username");
+        userRequest.put("password", "password");
+
+        mockMvc.perform(post("/user")
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(userRequest.toString()))
+                .andExpect(status().isOk());
+    }
+    @Test
+    @WithMockUser(roles = "ADMIN")
+    void createUser_Test_TrowUserAlreadyExistsException() throws Exception {
+        JSONObject userRequest = new JSONObject();
+        userRequest.put("username", "username1");
+        userRequest.put("password", "password1");
+
+        mockMvc.perform(post("/user")
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(userRequest.toString()))
+                .andExpect(status().is4xxClientError());
+    }
+
+    @Test
+    void depositToAccount_Test_OK() throws Exception {
+        JSONObject balanceChangeRequest = new JSONObject();
+        balanceChangeRequest.put("amount", 10000L);
+
+        mockMvc.perform(post("/account/deposit/{id}", getAccountIdByUsername("username1"))
+                .header(HttpHeaders.AUTHORIZATION, getBasicAuthenticationHeader("username1", "password1"))
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(balanceChangeRequest.toString()))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.amount").value(10001));
+
+    }
+    @Test
+    void withdrawFromAccount_Test_notOK_TrowInsufficientFundsException() throws Exception {
+        JSONObject balanceChangeRequest = new JSONObject();
+        balanceChangeRequest.put("amount", 10000L);
+
+        mockMvc.perform(post("/account/withdraw/{id}", 1)
+                        .header(HttpHeaders.AUTHORIZATION, getBasicAuthenticationHeader("username1", "password1"))
+                        .contentType(MediaType.APPLICATION_JSON)
+                        .content(balanceChangeRequest.toString()))
+                .andExpect(status().is4xxClientError());
+
+    }
+
+
+    private User getUserByName(String username){
+        return userRepository.findByUsername(username).orElseThrow();
+    }
+    private long getUserIdByUserName(String username){
+        return getUserByName(username).getId();
+    }
+    private long getAccountIdByUsername(String username){
+        long userId = getUserIdByUserName(username);
+        long ost = userId % userRepository.count();
+        long count = (userId - ost) / userRepository.count();
+        return count * 3 * userRepository.count() + ost*3;
+    }
+}
\ No newline at end of file
diff --git a/src/test/java/resourses/application.properties b/src/test/java/resourses/application.properties
new file mode 100644
index 0000000..e69de29