assertThat(bodyToHex(body)).isEqualTo("48656c6c6f")
    assertThat(bodyToHex(body), "Retransmit body").isEqualTo("48656c6c6f")
  }

  @Test
  fun file() {
    val file = File.createTempFile("RequestTest", "tmp")
    val writer = FileWriter(file)
    writer.write("abc")
    writer.close()
    val contentType = "text/plain".toMediaType()
    val body: RequestBody = file.asRequestBody(contentType)

  private fun enableCache(): Cache? {
    cache = makeCache()
    client = client.newBuilder().cache(cache).build()
    return cache
  }

  private fun makeCache(): Cache {
    val cacheDir = File.createTempFile("cache-", ".dir")
    cacheDir.delete()
    return Cache(cacheDir, (1024 * 1024).toLong())
  }

  companion object {
    val anyResponse = CoreMatchers.any(Response::class.java)
  }