1. 회원가입 요구사항 Update

src/main/java/com/maximus/spring_server/controller/AccountController.java

@@ -0,0 +1,30 @@
+package com.maximus.spring_server.controller;
+
+import com.maximus.spring_server.domain.Account;
+import com.maximus.spring_server.service.AccountService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequiredArgsConstructor
+public class AccountController {
+
+    private final AccountService accountService;
+
+    @RequestMapping(value = "/account/signup", method = RequestMethod.POST)
+    public ResponseEntity<?> signUp(@RequestBody Account account) throws Exception {
+        try {
+            return new ResponseEntity<>(accountService.saveUser(account), HttpStatus.CREATED);
+        }catch (Exception e){
+            return new ResponseEntity<>(accountService.saveUser(account),HttpStatus.BAD_REQUEST);
+        }
+
+
+    }
+
+
+}

src/main/java/com/maximus/spring_server/domain/Account.java

@@ -0,0 +1,45 @@
+package com.maximus.spring_server.domain;
+
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.RequiredArgsConstructor;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+@Entity
+@Getter
+@Table(name = "account")
+@NoArgsConstructor
+public class Account {
+
+    public Account(String username, String password) {
+        this.username = username;
+        this.password = password;
+    }
+
+    @Id
+    @Column(name = "username", nullable = false)
+    private String username;
+
+    @Column(name = "password", nullable = false)
+    private String password;
+
+    public void validationUser() {
+        checkUser(username);
+        checkPassword(password);
+    }
+
+
+    private void checkPassword(String password) {
+        if (password.isEmpty()) throw new IllegalArgumentException("패스워드를 입력해주세요");
+    }
+
+    private void checkUser(String username) {
+        if (username.isEmpty()) throw new IllegalArgumentException("닉네임을 입력해주세요");
+
+    }
+
+}

src/main/java/com/maximus/spring_server/repository/AccountRepository.java

@@ -0,0 +1,14 @@
+package com.maximus.spring_server.repository;
+
+import com.maximus.spring_server.domain.Account;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface AccountRepository extends JpaRepository<Account,String>{
+
+    Account findByUsername(String username);
+
+
+}

src/main/java/com/maximus/spring_server/service/AccountService.java

@@ -0,0 +1,25 @@
+package com.maximus.spring_server.service;
+
+import com.maximus.spring_server.domain.Account;
+import com.maximus.spring_server.repository.AccountRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+public class AccountService {
+
+    private final AccountRepository accountRepository;
+
+    @Transactional
+    public Account saveUser(Account account) throws Exception {
+        if (accountRepository.findByUsername(account.getUsername()) != null) {
+            throw new Exception();
+
+        }
+            account.validationUser();
+            return accountRepository.save(account);
+
+    }
+}

src/main/resources/application.properties

@@ -1 +1,5 @@
-
+spring.datasource.url=jdbc:h2:mem:testdb
+spring.datasource.driverClassName=org.h2.Driver
+spring.datasource.username=sa
+spring.datasource.password=1234
+spring.h2.console.enabled=true

src/test/java/com/maximus/spring_server/service/AccountServiceTest.java

@@ -0,0 +1,52 @@
+package com.maximus.spring_server.service;
+
+import com.maximus.spring_server.domain.Account;
+import com.maximus.spring_server.repository.AccountRepository;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.BDDMockito.given;
+
+@ExtendWith(MockitoExtension.class)
+class AccountServiceTest {
+
+    @Mock
+    private AccountRepository accountRepository;
+
+    @InjectMocks
+    private AccountService accountService;
+
+
+    @AfterEach
+    public void tearDown() throws Exception {
+        accountRepository.deleteAll();
+    }
+
+    @Test
+    public void 저장작동테스트() {
+        String username = "1234";
+        String password = "me2";
+
+        Account account = new Account(username, password);
+        //given
+        given(accountService.saveUser(account)).willReturn(account);
+        //when
+
+        Account account2 = accountService.saveUser(account);
+        assertThat(account.getUsername()).isEqualTo(username);
+        assertThat(account.getPassword()).isEqualTo(password);
+
+        assertThat(account2.getUsername()).isEqualTo(account.getUsername());
+        assertThat(account2.getPassword()).isEqualTo(account.getPassword());
+
+        assertThat(account2.getUsername()).isNotEmpty();
+        assertThat(account2.getPassword()).isNotEmpty();
+
+    }
+}
+