## Rust 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 "Rust Validator":
  test "valid Rust code":
    let result = validateSource(RustGoodCode, flavor = lfRust)
    checkValid(result)

  test "invalid Rust code returns errors":
    let result = validateSource(RustBadCode, flavor = lfRust)
    checkInvalid(result)

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

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

  test "detectFlavor detects Rust":
    check $detectFlavor(RustGoodCode) == "rust"

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

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