nimcheck/tests/test_javascript.nim

## JavaScript 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 "JavaScript Validator":
  test "valid JS code":
    let result = validateSource(JsGoodCode, flavor = lfJavaScript)
    checkValid(result)

  test "invalid JS code returns errors":
    let result = validateSource(JsBadCode, flavor = lfJavaScript)
    checkInvalid(result)

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

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

  test "detectFlavor detects JavaScript":
    check $detectFlavor(JsGoodCode) == "javascript"

  test "inspectSource returns JSON":
    let json = inspectSource(JsGoodCode, flavor = lfJavaScript)
    check json.kind == JObject