{-# LANGUAGE OverloadedStrings #-}
module Method(test) where

import Test.Tasty(TestTree, testGroup)
import Test.Tasty.HUnit(testCase)
import Test.HUnit(assertBool)

import Data.Apiary.Method
import qualified Data.ByteString as S

stdMethods :: [S.ByteString]
stdMethods =
    [ "GET"
    , "POST"
    , "HEAD"
    , "PUT"
    , "DELETE"
    , "TRACE"
    , "CONNECT"
    , "OPTIONS"
    , "PATCH"
    ]

test :: TestTree
test = testGroup "Method"
    [ testCase "renderMethod . parseMethod == id" $
        mapM_ (\s -> 
            let s' = (renderMethod . parseMethod) s
            in assertBool (show s ++ " /= " ++ show s') $ s == s'
        ) ("YAMADA" : "neko" : "POSTa" : "DELET" : "CONNECt" : stdMethods)

    , testCase "parseMethod" $ do
        let assertMethod s t = assertBool (show s) $ parseMethod s == t
            assertNS s = assertMethod s (NonStandard s)
        assertMethod "GET"     GET
        assertMethod "POST"    POST
        assertMethod "HEAD"    HEAD
        assertMethod "PUT"     PUT
        assertMethod "DELETE"  DELETE
        assertMethod "TRACE"   TRACE
        assertMethod "CONNECT" CONNECT
        assertMethod "OPTIONS" OPTIONS
        assertMethod "PATCH"   PATCH
        assertNS "YAMADA"
        assertNS "neko"
        assertNS "POSTa"
        assertNS "DELET"
        assertNS "CONNECt"
    ]