# Copyright © 2024 Bartek Jasicki
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## Provides unit tests for rules module

import compiler/parser
include ../src/rules
import utils/helpers
import unittest2

suite "Unit tests for rules module":

  checkpoint "Initializing the tests"
  setLogger()

  var resultValue: ExtendedNatural = 0

  test "Test showing message":
    checkpoint "Decreasing the value"
    message(text = "Decrease value", returnValue = resultValue)
    check:
      resultValue == -1
    checkpoint "Increasing the value"
    message(text = "Increase value", returnValue = resultValue, level = lvlInfo,
        decrease = false)
    check:
      resultValue == 0

  test "Test showing error message":
    try:
      var i: int8 = int8.high
      i.inc
    except OverflowDefect:
      check:
        errorMessage(text = "Reason: ", e = getCurrentException()) == 0

  test "Test getting AST nodes to check":
    let
      (nimCache, nimConfig) = setNim()
      parentNode = parseString(s = """
      proc hello() =
        var a = 1
        for i in 1..2:
          echo a""", cache = nimCache, config = nimConfig)
    check:
      getNodesToCheck(parentNode = parentNode, node = parentNode[0][6]) ==
          flattenStmts(n = parentNode)
