roomescape-refactored/src/test/kotlin/roomescape/auth/web/AuthControllerTest.kt

package roomescape.auth.web

import com.ninjasquad.springmockk.SpykBean
import io.mockk.every
import org.hamcrest.Matchers.equalTo
import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest
import org.springframework.data.repository.findByIdOrNull
import org.springframework.test.web.servlet.MockMvc
import roomescape.auth.exception.AuthErrorCode
import roomescape.auth.service.AuthService
import roomescape.common.exception.CommonErrorCode
import roomescape.common.exception.ErrorCode
import roomescape.util.MemberFixture
import roomescape.util.RoomescapeApiTest

@WebMvcTest(controllers = [AuthController::class])
class AuthControllerTest(
    val mockMvc: MockMvc
) : RoomescapeApiTest() {

    @SpykBean
    private lateinit var authService: AuthService

    val userRequest: LoginRequest = MemberFixture.userLoginRequest()

    init {
        Given("로그인 요청을 보낼 때") {
            val endpoint = "/login"

            When("로그인에 성공하면") {
                val expectedToken = "expectedToken"

                every {
                    memberRepository.findByEmailAndPassword(userRequest.email, userRequest.password)
                } returns user

                every {
                    jwtHandler.createToken(user.id!!)
                } returns expectedToken

                Then("토큰을 반환한다.") {
                    runPostTest(
                        mockMvc = mockMvc,
                        endpoint = endpoint,
                        body = userRequest,
                    ) {
                        status { isOk() }
                        jsonPath("$.data.accessToken", equalTo(expectedToken))
                    }
                }
            }

            When("회원을 찾지 못하면") {
                every {
                    memberRepository.findByEmailAndPassword(userRequest.email, userRequest.password)
                } returns null

                Then("에러 응답을 받는다.") {
                    val expectedError = AuthErrorCode.LOGIN_FAILED
                    runPostTest(
                        mockMvc = mockMvc,
                        endpoint = endpoint,
                        body = userRequest,
                    ) {
                        status { isEqualTo(expectedError.httpStatus.value()) }
                        jsonPath("$.code", equalTo(expectedError.errorCode))
                    }
                }
            }
            When("입력 값이 잘못되면") {
                val expectedErrorCode: ErrorCode = CommonErrorCode.INVALID_INPUT_VALUE

                Then("400 에러를 응답한다") {
                    listOf(
                        userRequest.copy(email = "invalid"),
                        userRequest.copy(password = " "),
                        "{\"email\": \"null\", \"password\": \"null\"}"
                    ).forEach {
                        runPostTest(
                            mockMvc = mockMvc,
                            endpoint = endpoint,
                            body = it,
                        ) {
                            status { isEqualTo(expectedErrorCode.httpStatus.value()) }
                            jsonPath("$.code", equalTo(expectedErrorCode.errorCode))
                        }
                    }
                }
            }
        }

        Given("로그인 상태를 확인할 때") {
            val endpoint = "/login/check"

            When("로그인된 회원의 ID로 요청하면") {
                loginAsUser()

                Then("회원의 이름과 권한을 응답한다") {
                    runGetTest(
                        mockMvc = mockMvc,
                        endpoint = endpoint,
                    ) {
                        status { isOk() }
                        jsonPath("$.data.name", equalTo(user.name))
                        jsonPath("$.data.role", equalTo(user.role.name))
                    }
                }
            }

            When("토큰은 있지만 회원을 찾을 수 없으면") {
                val invalidMemberId: Long = -1L

                every { jwtHandler.getMemberIdFromToken(any()) } returns invalidMemberId
                every { memberRepository.findByIdOrNull(invalidMemberId) } returns null

                Then("에러 응답을 받는다.") {
                    val expectedError = AuthErrorCode.UNIDENTIFIABLE_MEMBER
                    runGetTest(
                        mockMvc = mockMvc,
                        endpoint = endpoint,
                    ) {
                        status { isEqualTo(expectedError.httpStatus.value()) }
                        jsonPath("$.code", equalTo(expectedError.errorCode))
                    }
                }
            }
        }
        Given("로그아웃 요청을 보낼 때") {
            val endpoint = "/logout"

            When("토큰으로 memberId 조회가 가능하면") {
                every {
                    jwtHandler.getMemberIdFromToken(any())
                } returns 1L

                Then("정상 응답한다.") {
                    runPostTest(
                        mockMvc = mockMvc,
                        endpoint = endpoint,
                    ) {
                        status { isNoContent() }
                    }
                }
            }
        }
    }
}