roomescape-refactored/src/test/kotlin/roomescape/payment/infrastructure/client/TossPaymentClientTest.kt

package roomescape.payment.infrastructure.client

import io.kotest.assertions.assertSoftly
import io.kotest.assertions.throwables.shouldThrow
import io.kotest.core.spec.style.FunSpec
import io.kotest.matchers.shouldBe
import org.springframework.beans.factory.annotation.Autowired
import org.springframework.boot.test.autoconfigure.web.client.RestClientTest
import org.springframework.http.HttpMethod
import org.springframework.http.HttpStatus
import org.springframework.http.MediaType
import org.springframework.test.web.client.MockRestServiceServer
import org.springframework.test.web.client.ResponseActions
import org.springframework.test.web.client.match.MockRestRequestMatchers.*
import org.springframework.test.web.client.response.MockRestResponseCreators.withStatus
import org.springframework.test.web.client.response.MockRestResponseCreators.withSuccess
import roomescape.common.exception.ErrorType
import roomescape.common.exception.RoomescapeException
import roomescape.payment.web.PaymentCancelRequest
import roomescape.payment.web.PaymentCancelResponse

@RestClientTest(TossPaymentClient::class)
class TossPaymentClientTest(
        @Autowired val client: TossPaymentClient,
        @Autowired val mockServer: MockRestServiceServer
) : FunSpec() {

    init {
        context("결제 승인 요청") {
            fun commonAction(): ResponseActions = mockServer.expect {
                requestTo("/v1/payments/confirm")
            }.andExpect {
                method(HttpMethod.POST)
            }.andExpect {
                content().contentType(MediaType.APPLICATION_JSON)
            }.andExpect {
                content().json(SampleTossPaymentConst.paymentRequestJson)
            }

            test("성공 응답") {
                commonAction().andRespond {
                    withSuccess()
                            .contentType(MediaType.APPLICATION_JSON)
                            .body(SampleTossPaymentConst.confirmJson)
                            .createResponse(it)
                }

                // when
                val paymentRequest = SampleTossPaymentConst.paymentRequest
                val paymentResponse: PaymentApproveResponse = client.confirm(paymentRequest)

                assertSoftly(paymentResponse) {
                    this.paymentKey shouldBe paymentRequest.paymentKey
                    this.orderId shouldBe paymentRequest.orderId
                    this.totalAmount shouldBe paymentRequest.amount
                }
            }

            test("400 에러 발생") {
                commonAction().andRespond {
                    withStatus(HttpStatus.BAD_REQUEST)
                            .contentType(MediaType.APPLICATION_JSON)
                            .body(SampleTossPaymentConst.tossPaymentErrorJson)
                            .createResponse(it)
                }

                // when
                val paymentRequest = SampleTossPaymentConst.paymentRequest

                // then
                val exception = shouldThrow<RoomescapeException> {
                    client.confirm(paymentRequest)
                }

                assertSoftly(exception) {
                    this.errorType shouldBe ErrorType.PAYMENT_ERROR
                    this.invalidValue shouldBe "[ErrorCode = ERROR_CODE, ErrorMessage = Error message]"
                    this.httpStatus shouldBe HttpStatus.BAD_REQUEST
                }

            }
        }

        context("결제 취소 요청") {
            fun commonAction(): ResponseActions = mockServer.expect {
                requestTo("/v1/payments/${SampleTossPaymentConst.paymentKey}/cancel")
            }.andExpect {
                method(HttpMethod.POST)
            }.andExpect {
                content().contentType(MediaType.APPLICATION_JSON)
            }.andExpect {
                content().json(SampleTossPaymentConst.cancelRequestJson)
            }

            test("성공 응답") {
                commonAction().andRespond {
                    withSuccess()
                            .contentType(MediaType.APPLICATION_JSON)
                            .body(SampleTossPaymentConst.cancelJson)
                            .createResponse(it)
                }

                // when
                val cancelRequest: PaymentCancelRequest = SampleTossPaymentConst.cancelRequest
                val cancelResponse: PaymentCancelResponse = client.cancel(cancelRequest)

                assertSoftly(cancelResponse) {
                    this.cancelStatus shouldBe "DONE"
                    this.cancelReason shouldBe cancelRequest.cancelReason
                    this.cancelAmount shouldBe cancelRequest.amount
                }
            }

            test("500 에러 발생") {
                commonAction().andRespond {
                    withStatus(HttpStatus.INTERNAL_SERVER_ERROR)
                            .contentType(MediaType.APPLICATION_JSON)
                            .body(SampleTossPaymentConst.tossPaymentErrorJson)
                            .createResponse(it)
                }

                // when
                val cancelRequest: PaymentCancelRequest = SampleTossPaymentConst.cancelRequest

                // then
                val exception = shouldThrow<RoomescapeException> {
                    client.cancel(cancelRequest)
                }

                assertSoftly(exception) {
                    this.errorType shouldBe ErrorType.PAYMENT_SERVER_ERROR
                    this.invalidValue shouldBe "[ErrorCode = ERROR_CODE, ErrorMessage = Error message]"
                    this.httpStatus shouldBe HttpStatus.INTERNAL_SERVER_ERROR
                }
            }
        }
    }
}