nimbus-eth1/tests/rpcclient/test_hexstrings.nim

# Separated from main tests for brevity

import unittest, ../../nimbus/rpc/hexstrings, json

proc doHexStrTests* =
  suite "[RPC] Hex quantity":
    test "Zero values":
      expect ValueError:
        let
          source = ""
          x = hexQuantityStr source
        check %x == %source
      expect ValueError:
        # must have '0' for zero quantities
        let
          source = "0x"
          x = hexQuantityStr source
        check %x == %source
      let
        source = "0x0"
        x = hexQuantityStr source
      check %x == %source
    test "Even length":
      let
        source = "0x1234"
        x = hexQuantityStr source
      check %x == %source
    test "Odd length":
      let
        source = "0x123"
        x = hexQuantityStr source
      check %x == %source
    test "\"0x\" header":
      expect ValueError:
        let
          source = "1234"
          x = hexQuantityStr source
        check %x != %source
      expect ValueError:
        let
          source = "01234"
          x = hexQuantityStr source
        check %x != %source
      expect ValueError:
        # leading zeros not allowed
        let
          source = "0x0123"
          x = hexQuantityStr source
        check %x != %source
      
  suite "[RPC] Hex data":
    test "Zero value":
      expect ValueError:
        let
          source = ""
          x = hexDataStr source
        check %x != %source
      expect ValueError:
        # not even length
        let
          source = "0x0"
          x = hexDataStr source
        check %x == %source
      let
        source = "0x"
        x = hexDataStr source
      check %x == %source
    test "Even length":
      let
        source = "0x1234"
        x = hexDataStr source
      check %x == %source
    test "Odd length":
      expect ValueError:
        let
          source = "0x123"
          x = hexDataStr source
        check %x != %source
    test "\"0x\" header":
      expect ValueError:
        let
          source = "1234"
          x = hexDataStr source
        check %x != %source
      expect ValueError:
        let
          source = "01234"
          x = hexDataStr source
        check %x != %source
      expect ValueError:
        let
          source = "x1234"
          x = hexDataStr source
        check %x != %source
      let
        # leading zeros allowed
        source = "0x0123"
        x = hexDataStr source
      check %x == %source