nimreturn2.nim

import unittest, nre, optional_t

type ErrorType* = enum stacktrace, phperror, other

type Error* = object
  lines*: string
  etype*: ErrorType

proc categorizeError*(e: Error): Error =
  if e.lines.find(re"stack trace:").isSome:
    Error(lines: e.lines, etype: ErrorType.stacktrace)
  else:
    Error(lines: e.lines, etype: ErrorType.phperror)

suite "categorizeError":
  test "stacktrace":
    var input = Error(lines: "lolol o lololo l stack trace: rcoeucr hoeruch")
    var result = categorizeError(input)
    check(result.etype == ErrorType.stacktrace)

  test "php error":
    var input = Error(lines: "5496 FastCGI sent in stderr: \"PHP message: PHP Warning:  array_key_exists(")
    var result = categorizeError(input)
    check(result.etype == ErrorType.phperror)