*/
  fun cacheResponse(): RecordedResponse {
    val cacheResponse = response!!.cacheResponse!!
    return RecordedResponse(cacheResponse.request, cacheResponse, null, null, null)
  }

  fun assertFailure(vararg allowedExceptionTypes: Class<*>) =
    apply {
      var found = false
      for (expectedClass in allowedExceptionTypes) {
        if (expectedClass.isInstance(failure)) {
          found = true

    val request = Request.Builder().url(server.url("/")).build()
    val response = client.newCall(request).execute()
    response.processEventSource(listener)
    listener.assertOpen()
    listener.assertFailure("canceled")
  }

  @Test
  fun failureWith401IsReadable() {
    server.enqueue(
      MockResponse(
        code = 401,
        body = "{\"error\":{\"message\":\"No auth credentials found\",\"code\":401}}",

    callback.await(server.url("/0")).assertFailure("Too many follow-up requests: 21")
  }

  @Test
  fun http204WithBodyDisallowed() {
    server.enqueue(
      MockResponse(
        code = 204,
        body = "I'm not even supposed to be here today.",
      ),
    )
    executeSynchronously("/")
      .assertFailure("HTTP 204 had non-zero Content-Length: 39")
  }

  }

  fun assertOpen(): EventSource {
    val event = nextEvent() as Open
    return event.eventSource
  }

  fun assertClose() {
    nextEvent() as Closed
  }

  fun assertFailure(
    message: String?,
    code: Int? = null,
  ) {
    val event = nextEvent() as Failure
    if (code != null) {
      assertThat(event.response?.code).isEqualTo(code)
    }
    if (message != null) {

        if (cleanClose) {
          assertSuccessful()
          assertCode(200)

          assertThat(server2.requestCount).isEqualTo(1)
        } else {
          this.assertFailure(SocketTimeoutException::class.java)
        }
      }

    println("\n\nRequest to ${server2.socketAddress}")
    executeSynchronously(request)
      .assertSuccessful()
      .assertCode(200)
  }