diff --git a/src/test/java/com/example/springsecuritystudy/notice/NoticeControllerTest.java b/src/test/java/com/example/springsecuritystudy/notice/NoticeControllerTest.java
index 2aff195..c2f4c1a 100644
--- a/src/test/java/com/example/springsecuritystudy/notice/NoticeControllerTest.java
+++ b/src/test/java/com/example/springsecuritystudy/notice/NoticeControllerTest.java
@@ -3,6 +3,7 @@ package com.example.springsecuritystudy.notice;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.MediaType;
 import org.springframework.security.test.context.support.WithMockUser;
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
@@ -10,7 +11,6 @@ import org.springframework.web.context.WebApplicationContext;
 
 import com.example.springsecuritystudy.helper.TestConfig;
 import com.example.springsecuritystudy.helper.WithMockAdmin;
-import com.fasterxml.jackson.databind.ObjectMapper;
 
 import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.*;
 import static org.springframework.security.test.web.servlet.setup.SecurityMockMvcConfigurers.*;
@@ -22,8 +22,6 @@ class NoticeControllerTest extends TestConfig {
 
 	@Autowired
 	private NoticeRepository noticeRepository;
-	@Autowired
-	private ObjectMapper objectMapper;
 	private MockMvc mvc;
 
 	@BeforeEach
@@ -49,30 +47,33 @@ class NoticeControllerTest extends TestConfig {
 
 	@Test
 	void postNotice_인증없음() throws Exception {
-		String content = objectMapper.writeValueAsString(new Notice("제목", "내용"));
 		mvc.perform(post("/notice")
-						.content(content))
-				.andExpect(status().is4xxClientError());
+						.contentType(MediaType.APPLICATION_FORM_URLENCODED)
+						.param("title", "제목")
+						.param("content", "내용")
+				).andExpect(status().is4xxClientError());
 	}
 
 	@Test
 	@WithMockUser(roles = "USER", username = "user", password = "user")
 	void postNotice_유저인증있음() throws Exception {
-		String content = objectMapper.writeValueAsString(new Notice("제목", "내용"));
 		mvc.perform(post("/notice")
 						.with(csrf())
-						.content(content))
-				.andExpect(status().is4xxClientError());
+						.contentType(MediaType.APPLICATION_FORM_URLENCODED)
+						.param("title", "제목")
+						.param("content", "내용")
+			).andExpect(status().is4xxClientError());
 	}
 
 	@Test
 	@WithMockAdmin
 	void postNotice_어드민인증있음() throws Exception {
-		String content = objectMapper.writeValueAsString(new Notice("제목", "내용"));
 		mvc.perform(post("/notice")
 						.with(csrf())
-						.content(content))
-				.andExpect(redirectedUrl("notice"))
+						.contentType(MediaType.APPLICATION_FORM_URLENCODED)
+						.param("title", "제목")
+						.param("content", "내용")
+				).andExpect(redirectedUrl("notice"))
 				.andExpect(status().is3xxRedirection());
 	}
 
diff --git a/src/test/java/com/example/springsecuritystudy/user/UserControllerTest.java b/src/test/java/com/example/springsecuritystudy/user/UserControllerTest.java
new file mode 100644
index 0000000..e3ee2d5
--- /dev/null
+++ b/src/test/java/com/example/springsecuritystudy/user/UserControllerTest.java
@@ -0,0 +1,41 @@
+package com.example.springsecuritystudy.user;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.MediaType;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+
+import com.example.springsecuritystudy.helper.TestConfig;
+
+import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.*;
+import static org.springframework.security.test.web.servlet.setup.SecurityMockMvcConfigurers.*;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
+
+class UserControllerTest extends TestConfig {
+
+	private MockMvc mvc;
+
+	@BeforeEach
+	void setUp(@Autowired WebApplicationContext context) {
+		this.mvc = MockMvcBuilders.webAppContextSetup(context)
+				.apply(springSecurity())
+				.alwaysDo(print())
+				.build();
+	}
+
+	@Test
+	void signup() throws Exception {
+		mvc.perform(
+						post("/signup").with(csrf())
+								.contentType(MediaType.APPLICATION_FORM_URLENCODED)
+								.param("username", "user123")
+								.param("password", "password")
+				).andExpect(redirectedUrl("login"))
+				.andExpect(status().is3xxRedirection());
+	}
+}
diff --git a/src/test/java/com/example/springsecuritystudy/user/UserServiceTest.java b/src/test/java/com/example/springsecuritystudy/user/UserServiceTest.java
new file mode 100644
index 0000000..fb3c021
--- /dev/null
+++ b/src/test/java/com/example/springsecuritystudy/user/UserServiceTest.java
@@ -0,0 +1,72 @@
+package com.example.springsecuritystudy.user;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import com.example.springsecuritystudy.helper.TestConfig;
+
+import static org.assertj.core.api.BDDAssertions.*;
+import static org.junit.jupiter.api.Assertions.*;
+
+class UserServiceTest extends TestConfig {
+
+	@Autowired
+	private UserService userService;
+	@Autowired
+	private UserRepository userRepository;
+
+	@Test
+	void signup() {
+		//given
+		String username = "user123";
+		String password = "password";
+		//when
+		User user = userService.signup(username, password);
+		//then
+		then(user.getId()).isNotNull();
+		then(user.getUsername()).isEqualTo(username);
+		then(user.getPassword()).startsWith("{bcrypt}");
+		then(user.getAuthorities()).hasSize(1);
+		then(user.getAuthorities().stream().findFirst().get().getAuthority()).isEqualTo("ROLE_USER");
+		then(user.isAdmin()).isFalse();
+		then(user.isAccountNonExpired()).isTrue();
+		then(user.isAccountNonLocked()).isTrue();
+		then(user.isEnabled()).isTrue();
+		then(user.isCredentialsNonExpired()).isTrue();
+	}
+
+	@Test
+	void signupAdmin() {
+		//given
+		String username = "admin123";
+		String password = "password";
+		//when
+		User user = userService.signupAdmin(username, password);
+		//then
+		then(user.getId()).isNotNull();
+		then(user.getUsername()).isEqualTo(username);
+		then(user.getPassword()).startsWith("{bcrypt}");
+		then(user.getAuthorities()).hasSize(1);
+		then(user.getAuthorities().stream().findFirst().get().getAuthority()).isEqualTo("ROLE_ADMIN");
+		then(user.isAdmin()).isTrue();
+		then(user.isAccountNonExpired()).isTrue();
+		then(user.isAccountNonLocked()).isTrue();
+		then(user.isEnabled()).isTrue();
+		then(user.isCredentialsNonExpired()).isTrue();
+	}
+
+	@Test
+	void findByUsername() {
+		//given
+		User user = User.builder()
+				.username("user123")
+				.password("password")
+				.authority("ROLE_USER")
+				.build();
+		userRepository.save(user);
+		//when
+		User savedUser = userService.findByUsername("user123");
+		//then
+		then(savedUser.getId()).isNotNull();
+	}
+}