## Nim language validator tests.

import std/[unittest, strutils, strformat]
import ../src/nimcheck
import test_common

proc checkValid(result: ValidationResult, context: string = "") =
  if result.errors.len > 0:
    var msg = &"Expected valid, got {result.errors.len} error(s)"
    if context.len > 0: msg.add(&" [{context}]")
    for e in result.errors: msg.add(&"\n  [{e.code}] {e.message}")
    doAssert false, msg

proc checkInvalid(result: ValidationResult, context: string = "") =
  if result.errors.len == 0:
    doAssert false, &"Expected errors, got none [{context}]"

suite "Nim Validator":
  test "valid Nim code":
    let result = validateSource(NimGoodCode, flavor = lfNim)
    checkValid(result, "nim-valid")
    check result.flavor == lfNim

  test "invalid Nim code returns errors":
    let result = validateSource(NimBadCode, flavor = lfNim)
    checkInvalid(result)

  test "valid .nim file":
    let result = validateFile("tests/fixtures/nim/valid.nim")
    checkValid(result)

  test "invalid .nim file returns errors":
    let result = validateFile("tests/fixtures/nim/invalid.nim")
    check result.errors.len > 0

  test "detectFlavor detects Nim":
    check $detectFlavor(NimGoodCode) == "nim"

  test "supportedFlavors contains nim":
    check "nim" in supportedFlavors()