roomescape-refactored/src/test/kotlin/roomescape/common/log/RoomescapeLogMaskingConverterTest.kt

package roomescape.common.log

import ch.qos.logback.classic.spi.ILoggingEvent
import io.kotest.assertions.assertSoftly
import io.kotest.core.spec.style.FunSpec
import io.kotest.matchers.equals.shouldBeEqual
import io.kotest.matchers.string.shouldContain
import io.mockk.every
import io.mockk.mockk

class RoomescapeLogMaskingConverterTest : FunSpec({

    val converter = RoomescapeLogMaskingConverter()
    val event: ILoggingEvent = mockk()

    context("평문 로그에서는 key=value 형식을 처리한다.") {

        test("2글자 초과이면 맨 앞, 맨 뒤를 제외한 나머지를 가린다.") {
            val email = "a@a.a"
            val password = "password12"
            val accessToken = "accessToken12"

            every {
                event.formattedMessage
            } returns "email=${email}, password=${password}, accessToken = $accessToken"

            assertSoftly(converter.convert(event)) {
                this shouldContain "email=${email}"
                this shouldContain "password=${password.first()}****${password.last()}"
                this shouldContain "accessToken = ${accessToken.first()}****${accessToken.last()}"
            }

        }

        test("2글자 이하이면 전부 가린다.") {
            val email = "a@a.a"
            val password = "pa"
            val accessToken = "a"

            every {
                event.formattedMessage
            } returns "email=${email}, password=${password}, accessToken = ${accessToken}"

            assertSoftly(converter.convert(event)) {
                this shouldContain "email=${email}"
                this shouldContain "password=****"
                this shouldContain "accessToken = ****"
            }
        }
    }

    context("JSON 형식 로그를 처리한다.") {
        val json = "{\"request_body\":{\"email\":\"a@a.a\",\"password\":\"password12\"}}"

        test("2글자 초과이면 맨 앞, 맨 뒤를 제외한 나머지를 가린다.") {
            val password = "password12"
            val json = "{\"request_body\":{\"email\":\"a@a.a\",\"password\":\"${password}\"}}"

            every {
                event.formattedMessage
            } returns json

            converter.convert(event) shouldBeEqual "{\"request_body\":{\"email\":\"a@a.a\",\"password\":\"${password.first()}****${password.last()}\"}}"
        }

        test("2글자 이하이면 전부 가린다.") {
            val password = "pa"
            val json = "{\"request_body\":{\"email\":\"a@a.a\",\"password\":\"${password}\"}}"

            every {
                event.formattedMessage
            } returns json

            converter.convert(event) shouldBeEqual "{\"request_body\":{\"email\":\"a@a.a\",\"password\":\"****\"}}"
        }
    }
})