roomescape-refactored/src/test/kotlin/roomescape/member/implement/MemberFinderTest.kt

package roomescape.member.implement

import io.kotest.assertions.throwables.shouldThrow
import io.kotest.core.spec.style.FunSpec
import io.kotest.matchers.collections.shouldHaveSize
import io.kotest.matchers.shouldBe
import io.mockk.every
import io.mockk.mockk
import io.mockk.verify
import org.springframework.data.repository.findByIdOrNull
import roomescape.member.exception.MemberErrorCode
import roomescape.member.exception.MemberException
import roomescape.member.infrastructure.persistence.MemberRepository

class MemberFinderTest : FunSpec({

    val memberRepository: MemberRepository = mockk()
    val memberFinder = MemberFinder(memberRepository)

    context("findAll") {
        test("모든 회원을 조회한다.") {
            every {
                memberRepository.findAll()
            } returns listOf(mockk(), mockk(), mockk())

            memberFinder.findAll() shouldHaveSize 3
        }
    }

    context("findById") {
        val memberId = 1L
        test("동일한 ID인 회원을 찾아 응답한다.") {
            every {
                memberRepository.findByIdOrNull(memberId)
            } returns mockk()

            memberFinder.findById(memberId)

            verify(exactly = 1) {
                memberRepository.findByIdOrNull(memberId)
            }
        }

        test("동일한 ID인 회원이 없으면 실패한다.") {
            every {
                memberRepository.findByIdOrNull(memberId)
            } returns null

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

    context("findByEmailAndPassword") {
        val email = "email"
        val password = "password"

        test("동일한 이메일과 비밀번호를 가진 회원을 찾아 응답한다.") {
            every {
                memberRepository.findByEmailAndPassword(email, password)
            } returns mockk()

            memberFinder.findByEmailAndPassword(email, password)

            verify(exactly = 1) {
                memberRepository.findByEmailAndPassword(email, password)
            }
        }

        test("동일한 이메일과 비밀번호를 가진 회원이 없으면 실패한다.") {
            every {
                memberRepository.findByEmailAndPassword(email, password)
            } returns null

            shouldThrow<MemberException> {
                memberFinder.findByEmailAndPassword(email, password)
            }.also {
                it.errorCode shouldBe MemberErrorCode.MEMBER_NOT_FOUND
            }
        }
    }
})