diff --git a/src/main/java/com/delfood/dto/OwnerDTO.java b/src/main/java/com/delfood/dto/OwnerDTO.java
index b6d4837..93a4e88 100644
--- a/src/main/java/com/delfood/dto/OwnerDTO.java
+++ b/src/main/java/com/delfood/dto/OwnerDTO.java
@@ -1,7 +1,7 @@
 package com.delfood.dto;
 
 import java.time.LocalDateTime;
-
+import lombok.Builder;
 import lombok.Getter;
 import lombok.NonNull;
 import lombok.Setter;
@@ -9,6 +9,7 @@
 
 import org.apache.ibatis.type.Alias;
 
+@Builder
 @Getter
 @Setter
 @ToString
diff --git a/src/test/java/com/delfood/service/OwnerServiceTest.java b/src/test/java/com/delfood/service/OwnerServiceTest.java
new file mode 100644
index 0000000..33483bc
--- /dev/null
+++ b/src/test/java/com/delfood/service/OwnerServiceTest.java
@@ -0,0 +1,63 @@
+package com.delfood.service;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.Assert.assertThat;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import com.delfood.dto.OwnerDTO;
+import com.delfood.mapper.OwnerMapper;
+import com.delfood.utils.SHA256Util;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
+
+
+@RunWith(MockitoJUnitRunner.class)
+public class OwnerServiceTest {
+
+  @InjectMocks // 의존성 주입이 필요한 mock에 설정, @Mock으로 등록된 객체를 주입시켜준다.
+  OwnerService service;
+  
+  @Mock // mock 생성
+  OwnerMapper mapper;
+  
+  /**
+   * 회원가입 성공 테스트.
+   */
+  @Test
+  public void signUp_success() {
+    OwnerDTO ownerInfo = OwnerDTO.builder()
+                            .id("ljy2134")
+                            .password(SHA256Util.encryptSHA256("2134"))
+                            .name("이진영")
+                            .mail("asdf@naver.com")
+                            .tel("010-3333-3333")
+                            .build();
+    
+    given(mapper.insertOwner(ownerInfo)).willReturn(1);
+    service.signUp(ownerInfo);
+  }
+  
+  /**
+   * 회원가입 실패 테스트.
+   */
+  @Test(expected = RuntimeException.class)
+  public void signUp_fail() {
+    OwnerDTO ownerInfo = OwnerDTO.builder()
+        .id("ljy2134")
+        .password(SHA256Util.encryptSHA256("2134"))
+        .name("이진영")
+        .mail("asdf@naver.com")
+        .tel("010-3333-3333")
+        .build();
+    
+    given(mapper.insertOwner(ownerInfo)).willReturn(0);
+    service.signUp(ownerInfo);
+  }
+
+}