roomescape-refactored/src/test/kotlin/roomescape/time/implement/TimeValidatorTest.kt

package roomescape.time.implement

import io.kotest.assertions.throwables.shouldNotThrow
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 roomescape.reservation.implement.ReservationFinder
import roomescape.time.exception.TimeErrorCode
import roomescape.time.exception.TimeException
import roomescape.time.infrastructure.persistence.TimeEntity
import roomescape.time.infrastructure.persistence.TimeRepository
import roomescape.util.TimeFixture
import java.time.LocalTime

class TimeValidatorTest : FunSpec({
    val timeRepository: TimeRepository = mockk()
    val reservationFinder: ReservationFinder = mockk()

    val timeValidator = TimeValidator(timeRepository, reservationFinder)

    context("validateIsAlreadyExists") {
        val startAt = LocalTime.now()

        test("같은 이메일을 가진 회원이 있으면 예외를 던진다.") {
            every {
                timeRepository.existsByStartAt(startAt)
            } returns true

            shouldThrow<TimeException> {
                timeValidator.validateIsAlreadyExists(startAt)
            }.also {
                it.errorCode shouldBe TimeErrorCode.TIME_DUPLICATED
            }
        }

        test("같은 이메일을 가진 회원이 없으면 종료한다.") {
            every {
                timeRepository.existsByStartAt(startAt)
            } returns false

            shouldNotThrow<TimeException> {
                timeValidator.validateIsAlreadyExists(startAt)
            }
        }
    }

    context("validateIsReserved") {
        val time: TimeEntity = TimeFixture.create(startAt = LocalTime.now())

        test("해당 시간에 예약이 있으면 예외를 던진다.") {
            every {
                reservationFinder.isTimeReserved(time)
            } returns true

            shouldThrow<TimeException> {
                timeValidator.validateIsReserved(time)
            }.also {
                it.errorCode shouldBe TimeErrorCode.TIME_ALREADY_RESERVED
            }
        }

        test("해당 시간에 예약이 없으면 종료한다.") {
            every {
                reservationFinder.isTimeReserved(time)
            } returns false

            shouldNotThrow<TimeException> {
                timeValidator.validateIsReserved(time)
            }
        }
    }
})