nwaku/tests/waku_relay/test_message_id.nim

import 
  unittest,
  stew/[
    shims/net,
    results, 
    byteutils
  ],
  nimcrypto/sha2,
  libp2p/protocols/pubsub/rpc/messages

import
  ../../../waku/waku_relay/message_id,
  ../testlib/sequtils


suite "Message ID Provider":
  test "Non-empty string":
    let message = Message(data: "Hello, world!".toBytes())
    let result = defaultMessageIdProvider(message)
    let expected = MDigest[256].fromHex("315f5bdb76d078c43b8ac0064e4a0164612b1fce77c869345bfc94c75894edd3")
    check:
      result.isOk()
      result.get() == expected.data

  test "Empty string":
    let message = Message(data: "".toBytes())
    let result = defaultMessageIdProvider(message)
    let expected = MDigest[256].fromHex("E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855")
    check:
      result.isOk()
      result.get() == expected.data
  
  test "Empty array":
    let message = Message(data: @[])
    let result = defaultMessageIdProvider(message)
    let expected = MDigest[256].fromHex("E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855")
    check:
      result.isOk()
      result.get() == expected.data