roomescape-refactored/src/test/kotlin/roomescape/reservation/implement/ReservationFinderTest.kt

package roomescape.reservation.implement

import io.kotest.assertions.throwables.shouldThrow
import io.kotest.core.spec.style.FunSpec
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.reservation.exception.ReservationErrorCode
import roomescape.reservation.exception.ReservationException
import roomescape.reservation.infrastructure.persistence.ReservationRepository
import java.time.LocalDate

class ReservationFinderTest : FunSpec({
    val reservationRepository: ReservationRepository = mockk()
    val reservationValidator = ReservationValidator(reservationRepository)

    val reservationFinder = ReservationFinder(reservationRepository, reservationValidator)

    context("findById") {
        val reservationId = 1L
        test("동일한 ID인 시간을 찾아 응답한다.") {
            every {
                reservationRepository.findByIdOrNull(reservationId)
            } returns mockk()

            reservationFinder.findById(reservationId)

            verify(exactly = 1) {
                reservationRepository.findByIdOrNull(reservationId)
            }
        }

        test("동일한 ID인 시간이 없으면 실패한다.") {
            every {
                reservationRepository.findByIdOrNull(reservationId)
            } returns null

            shouldThrow<ReservationException> {
                reservationFinder.findById(reservationId)
            }.also {
                it.errorCode shouldBe ReservationErrorCode.RESERVATION_NOT_FOUND
            }
        }
    }

    context("searchReservations") {
        test("시작 날짜가 종료 날짜 이전이면 실패한다.") {
            shouldThrow<ReservationException> {
                reservationFinder.searchReservations(1L, 1L, LocalDate.now(), LocalDate.now().minusDays(1))
            }.also {
                it.errorCode shouldBe ReservationErrorCode.INVALID_SEARCH_DATE_RANGE
            }
        }
    }
})