roomescape-refactored/src/test/kotlin/roomescape/member/business/MemberServiceTest.kt

package roomescape.member.business

import io.kotest.assertions.assertSoftly
import io.kotest.assertions.throwables.shouldThrow
import io.kotest.core.spec.style.FunSpec
import io.kotest.matchers.collections.shouldContainExactly
import io.kotest.matchers.collections.shouldHaveSize
import io.kotest.matchers.shouldBe
import io.mockk.every
import io.mockk.mockk
import roomescape.member.exception.MemberErrorCode
import roomescape.member.exception.MemberException
import roomescape.member.implement.MemberFinder
import roomescape.member.implement.MemberWriter
import roomescape.member.infrastructure.persistence.MemberEntity
import roomescape.member.infrastructure.persistence.Role
import roomescape.member.web.SignupRequest
import roomescape.util.MemberFixture

class MemberServiceTest : FunSpec({
    val memberWriter: MemberWriter = mockk()
    val memberFinder: MemberFinder = mockk()

    val memberService = MemberService(memberWriter, memberFinder)

    context("findMembers") {
        test("정상 응답") {
            val members: List<MemberEntity> = listOf(
                MemberFixture.create(name = "user1"),
                MemberFixture.create(name = "user2"),
            )

            every { memberFinder.findAll() } returns members

            val response = memberService.findMembers()

            // then
            assertSoftly(response.members) {
                it shouldHaveSize 2
                it.map { member -> member.name } shouldContainExactly listOf("user1", "user2")
            }
        }
    }

    context("findById") {
        val id = 1L

        test("정상 응답") {
            every {
                memberFinder.findById(id)
            } returns MemberFixture.create(id = id)

            memberService.findById(id).id shouldBe id
        }

        test("회원을 찾을 수 없으면 예외 응답") {
            every {
                memberFinder.findById(id)
            } throws MemberException(MemberErrorCode.MEMBER_NOT_FOUND)

            shouldThrow<MemberException> {
                memberService.findById(id)
            }.also {
                it.errorCode shouldBe MemberErrorCode.MEMBER_NOT_FOUND
            }
        }
    }

    context("createMember") {
        val request = SignupRequest(name = "new-user", email = "new@test.com", password = "password")

        test("정상 저장") {
            val member = MemberFixture.create(
                name = request.name,
                account = request.email,
                password = request.password
            )

            every {
                memberWriter.create(request.name, request.email, request.password, Role.MEMBER)
            } returns member

            val response = memberService.createMember(request)

            response.id shouldBe member.id
        }

        test("중복된 이메일이 있으면 예외 응답") {
            every {
                memberWriter.create(request.name, request.email, request.password, Role.MEMBER)
            } throws MemberException(MemberErrorCode.DUPLICATE_EMAIL)

            shouldThrow<MemberException> {
                memberService.createMember(request)
            }.also {
                it.errorCode shouldBe MemberErrorCode.DUPLICATE_EMAIL
            }
        }
    }
})