{-
 - Copyright 2014 Tycho Andersen
 -
 - Licensed under the Apache License, Version 2.0 (the "License");
 - you may not use this file except in compliance with the License.
 - You may obtain a copy of the License at
 -
 -   http://www.apache.org/licenses/LICENSE-2.0
 -
 - Unless required by applicable law or agreed to in writing, software
 - distributed under the License is distributed on an "AS IS" BASIS,
 - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 - See the License for the specific language governing permissions and
 - limitations under the License.
 -}
module Main (main) where

import Language.Python.Common

import Data.XCB.Python.Parse
import Data.XCB.FromXML
import Data.XCB.Types

import Test.Framework ( defaultMain, Test )
import Test.Framework.Providers.HUnit
import Test.HUnit hiding ( Test )

import System.FilePath

pyTests :: [String]
pyTests = [ "event"
          , "error"
          , "request"
          , "union"
          , "struct"
          , "enum"
          , "request_reply"
          , "no_sequence"
          , "type_pad"
          , "switch"
          , "render_1.7"
          , "xproto_1.7"
          , "render"
          , "eventstruct"
          ]

mkFname :: String -> FilePath
mkFname = (</>) $ "test" </> "generator"

mkTest :: String -> IO Test
mkTest name = do
  header <- fromFiles [mkFname $ name <.> ".xml"]
  rawExpected <- readFile . mkFname $ name <.> ".py"
  let [(fname, outPy)] = xform header
      rawOut = renderPy outPy
  return $ testCase name $ do assertEqual "names equal" name fname
                              -- TODO: we should really parse and compare ASTs
                              assertEqual "rendering equal" rawExpected rawOut


calcsizeTests :: [Test]
calcsizeTests =
  let tests = [ ("x2xBx", 5)
              , ("24xHhII", 24 + 2 * 2 + 2 * 4)
              ]
  in map mkTest tests
  where
    mkTest (str, expected) =
      let result = calcsize str
      in testCase "calcsize" (assertEqual str expected result)

main :: IO ()
main = do
  genTests <- mapM mkTest pyTests
  defaultMain $ calcsizeTests ++ genTests