Kotest 모의 서버(MockServer)

testImplementation("io.kotest.extensions:kotest-extensions-mockserver:<version>")

class MyMockServerTest : FunSpec() {
  init {

      // this attaches the server to the lifeycle of the spec
      listener(MockServerListener(1080))

      // we can use the client to create routes. Here we are setting them up
      // before each test by using the beforeTest callback.
      beforeTest {
         MockServerClient("localhost", 1080).`when`(
            HttpRequest.request()
               .withMethod("POST")
               .withPath("/login")
               .withHeader("Content-Type", "application/json")
               .withBody("""{"username": "foo", "password": "bar"}""")
         ).respond(
            HttpResponse.response()
               .withStatusCode(202)
               .withHeader("X-Test", "foo")
         )
      }

      // this test will confirm the endpoint works
      test("login endpoint should accept username and password json") {

         // using the ktor client to send requests
         val client = HttpClient(CIO)
         val resp = client.post<io.ktor.client.statement.HttpResponse>("http://localhost:1080/login") {
            contentType(ContentType.Application.Json)
            body = """{"username": "foo", "password": "bar"}"""
         }

         // these handy matchers come from the kotest-assertions-ktor module
         resp.shouldHaveStatus(HttpStatusCode.Accepted)
         resp.shouldHaveHeader("X-Test", "foo")
      }
  }
}