INC-1 add create user endpoint,generate tokens

src/test/java/ru/soune/no_copy/service/AuthTestService.java

@@ -0,0 +1,78 @@
+package ru.soune.no_copy.service;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.springframework.context.MessageSource;
+import org.springframework.security.crypto.password.PasswordEncoder;
+import ru.soune.no_copy.dto.RegisterRequest;
+import ru.soune.no_copy.entity.AuthToken;
+import ru.soune.no_copy.entity.User;
+import ru.soune.no_copy.exception.UserAlreadyExistsException;
+import ru.soune.no_copy.repository.AuthTokenRepository;
+import ru.soune.no_copy.repository.UserRepository;
+
+import java.util.Locale;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.Mockito.when;
+
+public class AuthTestService {
+
+    @Mock
+    private UserRepository userRepository;
+
+    @Mock
+    private AuthTokenRepository authTokenRepository;
+
+    @Mock
+    private PasswordEncoder passwordEncoder;
+
+    @Mock
+    private MessageSource messageSource;
+
+    @InjectMocks
+    private AuthService authService;
+
+    @BeforeEach
+    void setUp() {
+        MockitoAnnotations.openMocks(this);
+    }
+
+    @Test
+    void registerSuccess() {
+        RegisterRequest request = new RegisterRequest("John","A.","Doe","john@example.com","password123");
+
+        when(userRepository.existsByEmail(request.email())).thenReturn(false);
+        when(passwordEncoder.encode(request.password())).thenReturn("hashed");
+        when(userRepository.save(any(User.class))).thenAnswer(invocation -> invocation.getArgument(0));
+        when(authTokenRepository.save(any(AuthToken.class))).thenAnswer(invocation -> invocation.getArgument(0));
+
+        AuthToken token = authService.register(request);
+        User user = token.getUser();
+        String email = user.getEmail();
+
+        assertNotNull(token);
+        assertNotNull(token.getToken());
+        assertNotNull(token.getUser());
+        assertEquals("john@example.com", email);
+        assertNotNull(token.getExpiresAt());
+    }
+
+    @Test
+    void registerExistingEmailThrows() {
+        RegisterRequest request = new RegisterRequest("John","A.","Doe","john@example.com","123");
+
+        when(userRepository.existsByEmail(request.email())).thenReturn(true);
+        when(messageSource.getMessage(anyString(), any(), any(Locale.class))).thenReturn("User exists");
+
+        UserAlreadyExistsException ex = assertThrows(UserAlreadyExistsException.class,
+                () -> authService.register(request));
+
+        assertEquals("User exists", ex.getMessage());
+    }
+}