roomescape-refactored/src/test/kotlin/roomescape/theme/web/ThemeControllerTest.kt

package roomescape.theme.web

import com.ninjasquad.springmockk.MockkBean
import com.ninjasquad.springmockk.SpykBean
import io.kotest.assertions.assertSoftly
import io.kotest.matchers.collections.shouldContainAll
import io.kotest.matchers.shouldBe
import io.mockk.every
import io.mockk.just
import io.mockk.runs
import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest
import org.springframework.http.MediaType
import org.springframework.test.web.servlet.MockMvc
import roomescape.theme.business.ThemeService
import roomescape.theme.infrastructure.persistence.ThemeRepository
import roomescape.util.RoomescapeApiTest
import roomescape.util.ThemeFixture

@WebMvcTest(ThemeController::class)
class ThemeControllerTest(mockMvc: MockMvc) : RoomescapeApiTest() {

    @SpykBean
    private lateinit var themeService: ThemeService

    @MockkBean
    private lateinit var themeRepository: ThemeRepository

    init {
        Given("모든 테마를 조회할 때") {
            val endpoint = "/themes"

            When("로그인 상태가 아니라면") {
                doNotLogin()

                Then("로그인 페이지로 이동한다.") {
                    runGetTest(
                            mockMvc = mockMvc,
                            endpoint = endpoint,
                            log = true
                    ) {
                        status { is3xxRedirection() }
                        header {
                            string("Location", "/login")
                        }
                    }
                }
            }

            When("로그인 상태라면") {
                loginAsUser()

                Then("조회에 성공한다.") {
                    every {
                        themeRepository.findAll()
                    } returns listOf(
                            ThemeFixture.create(id = 1, name = "theme1"),
                            ThemeFixture.create(id = 2, name = "theme2"),
                            ThemeFixture.create(id = 3, name = "theme3")
                    )

                    val response: ThemesResponse = runGetTest(
                            mockMvc = mockMvc,
                            endpoint = endpoint,
                            log = true
                    ) {
                        status { isOk() }
                        content {
                            contentType(MediaType.APPLICATION_JSON)
                        }
                    }.andReturn().readValue(ThemesResponse::class.java)

                    assertSoftly(response.themes) {
                        it.size shouldBe 3
                        it.map { m -> m.name } shouldContainAll listOf("theme1", "theme2", "theme3")
                    }
                }
            }
        }

        Given("테마를 추가할 때") {
            val endpoint = "/themes"
            val request = ThemeRequest(
                    name = "theme1",
                    description = "description1",
                    thumbnail = "http://example.com/thumbnail1.jpg"
            )

            When("로그인 상태가 아니라면") {
                doNotLogin()
                Then("로그인 페이지로 이동한다.") {
                    runPostTest(
                            mockMvc = mockMvc,
                            endpoint = endpoint,
                            body = request,
                            log = true
                    ) {
                        status { is3xxRedirection() }
                        header {
                            string("Location", "/login")
                        }
                    }
                }
            }

            When("관리자가 아닌 회원은") {
                loginAsUser()
                Then("로그인 페이지로 이동한다.") {
                    runPostTest(
                            mockMvc = mockMvc,
                            endpoint = endpoint,
                            body = request,
                            log = true
                    ) {
                        status { is3xxRedirection() }
                        jsonPath("$.errorType") { value("PERMISSION_DOES_NOT_EXIST") }
                    }
                }
            }

            When("동일한 이름의 테마가 있으면") {
                loginAsAdmin()

                Then("409 에러를 응답한다.") {
                    every {
                        themeRepository.existsByName(request.name)
                    } returns true

                    runPostTest(
                            mockMvc = mockMvc,
                            endpoint = endpoint,
                            body = request,
                            log = true
                    ) {
                        status { isConflict() }
                        jsonPath("$.errorType") { value("THEME_DUPLICATED") }
                    }
                }
            }

            When("값이 잘못 입력되면 400 에러를 응답한다") {
                beforeTest {
                    loginAsAdmin()
                }

                val request = ThemeRequest(
                        name = "theme1",
                        description = "description1",
                        thumbnail = "http://example.com/thumbnail1.jpg"
                )

                fun runTest(request: ThemeRequest) {
                    runPostTest(
                            mockMvc = mockMvc,
                            endpoint = endpoint,
                            body = request,
                            log = true
                    ) {
                        status { isBadRequest() }
                    }
                }

                Then("이름이 공백인 경우") {
                    val invalidRequest = request.copy(name = " ")
                    runTest(invalidRequest)
                }

                Then("이름이 20글자를 초과하는 경우") {
                    val invalidRequest = request.copy(name = "a".repeat(21))
                    runTest(invalidRequest)
                }

                Then("설명이 공백인 경우") {
                    val invalidRequest = request.copy(description = " ")
                    runTest(invalidRequest)
                }

                Then("설명이 100글자를 초과하는 경우") {
                    val invalidRequest = request.copy(description = "a".repeat(101))
                    runTest(invalidRequest)
                }

                Then("썸네일이 공백인 경우") {
                    val invalidRequest = request.copy(thumbnail = " ")
                    runTest(invalidRequest)
                }

                Then("썸네일이 URL 형식이 아닌 경우") {
                    val invalidRequest = request.copy(thumbnail = "invalid-url")
                    runTest(invalidRequest)
                }
            }

            When("저장에 성공하면") {
                loginAsAdmin()

                val theme = ThemeFixture.create(
                        id = 1,
                        name = request.name,
                        description = request.description,
                        thumbnail = request.thumbnail
                )

                every {
                    themeService.create(request)
                } returns ThemeResponse(
                        id = theme.id!!,
                        name = theme.name,
                        description = theme.description,
                        thumbnail = theme.thumbnail
                )

                Then("201 응답을 받는다.") {
                    runPostTest(
                            mockMvc = mockMvc,
                            endpoint = endpoint,
                            body = request,
                            log = true
                    ) {
                        status { isCreated() }
                        header {
                            string("Location", "/themes/${theme.id}")
                        }
                        jsonPath("$.data.id") { value(theme.id) }
                        jsonPath("$.data.name") { value(theme.name) }
                        jsonPath("$.data.description") { value(theme.description) }
                        jsonPath("$.data.thumbnail") { value(theme.thumbnail) }
                    }
                }
            }
        }

        Given("테마를 제거할 때") {
            val themeId = 1L
            val endpoint = "/themes/$themeId"

            When("로그인 상태가 아니라면") {
                doNotLogin()
                Then("로그인 페이지로 이동한다.") {
                    runDeleteTest(
                            mockMvc = mockMvc,
                            endpoint = endpoint,
                            log = true
                    ) {
                        status { is3xxRedirection() }
                        header {
                            string("Location", "/login")
                        }
                    }
                }
            }

            When("관리자가 아닌 회원은") {
                loginAsUser()
                Then("로그인 페이지로 이동한다.") {
                    runDeleteTest(
                            mockMvc = mockMvc,
                            endpoint = endpoint,
                            log = true
                    ) {
                        status { is3xxRedirection() }
                        jsonPath("$.errorType") { value("PERMISSION_DOES_NOT_EXIST") }
                    }
                }
            }

            When("입력된 ID에 해당하는 테마가 없으면") {
                loginAsAdmin()

                Then("409 에러를 응답한다.") {
                    every {
                        themeRepository.isReservedTheme(themeId)
                    } returns true

                    runDeleteTest(
                            mockMvc = mockMvc,
                            endpoint = endpoint,
                            log = true
                    ) {
                        status { isConflict() }
                        jsonPath("$.errorType") { value("THEME_IS_USED_CONFLICT") }
                    }
                }
            }

            When("정상적으로 제거되면") {
                loginAsAdmin()

                every {
                    themeRepository.isReservedTheme(themeId)
                } returns false

                every {
                    themeRepository.deleteById(themeId)
                } just runs

                Then("204 응답을 받는다.") {
                    runDeleteTest(
                            mockMvc = mockMvc,
                            endpoint = endpoint,
                            log = true
                    ) {
                        status { isNoContent() }
                    }
                }
            }
        }
    }
}