{-# LANGUAGE OverloadedStrings #-}
module Main ( main ) where

import           Language.Haskell.CHs.Deps

import           Test.Tasty
import           Test.Tasty.HUnit

main :: IO ()
main = defaultMain $
    testGroup "tasty chs"
        [ testCase "simple import" $
            getImports "{# import Data.Char #}" @?= Right ["Data.Char"]
        , testCase "line comment" $
            getImports "-- {# import Data.Char #}" @?= Right []
        , testCase "nested block comment" $
            getImports "{- nested {- comment -} -} {# import Data.Char #}" @?= Right ["Data.Char"]
        , testCase "Not find spurious imports" $
            getImports "import Data.Word\n{# import Data.Char #}" @?= Right ["Data.Char"]
        , testCase "Work with qualified imports + spaces" $
            getImports "{# import qualified   Data.Char #}" @?= Right ["Data.Char"]
        , testCase "Error on bad block comments" $
            getImports "{- {- block comment -} {# import Data.Char #}" @?= Left "Error in nested comment at line 1, column 46"
        , testCase "Doesn't pick up qualified type names" $
            getImports "{# fun LZ_decompress_data_position as ^ { `LZDecoderPtr' } -> `C2HSImp.CULLong' id #}" @?= Right []
        ]