140 lines
4.8 KiB
Haskell
140 lines
4.8 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE TypeOperators #-}
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{-# LANGUAGE DataKinds #-}
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{-# LANGUAGE MultiParamTypeClasses #-}
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{-# LANGUAGE FlexibleContexts #-}
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{-# LANGUAGE FlexibleInstances #-}
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{-# LANGUAGE TypeSynonymInstances #-}
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{-# LANGUAGE ScopedTypeVariables #-}
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{-# LANGUAGE CPP #-}
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#if __GLASGOW_HASKELL__ < 710
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{-# LANGUAGE OverlappingInstances #-}
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#endif
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module Servant.ForeignSpec where
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import Data.Monoid ((<>))
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import Data.Proxy
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import Servant.Foreign
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import Servant.Foreign.Internal
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import Test.Hspec
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spec :: Spec
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spec = describe "Servant.Foreign" $ do
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camelCaseSpec
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listFromAPISpec
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camelCaseSpec :: Spec
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camelCaseSpec = describe "camelCase" $
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it "converts FunctionNames to camelCase" $ do
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camelCase ["post", "counter", "inc"] `shouldBe` "postCounterInc"
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camelCase ["get", "hyphen-ated", "counter"] `shouldBe` "getHyphenatedCounter"
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----------------------------------------------------------------------
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data LangX
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instance HasForeignType LangX () where
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typeFor _ _ = "voidX"
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instance HasForeignType LangX Int where
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typeFor _ _ = "intX"
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instance HasForeignType LangX Bool where
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typeFor _ _ = "boolX"
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instance {-# Overlapping #-} HasForeignType LangX String where
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typeFor _ _ = "stringX"
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instance {-# Overlappable #-} HasForeignType LangX a => HasForeignType LangX [a] where
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typeFor lang _ = "listX of " <> typeFor lang (Proxy :: Proxy a)
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type TestApi
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= "test" :> Header "header" [String] :> QueryFlag "flag" :> Get '[JSON] Int
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:<|> "test" :> QueryParam "param" Int :> ReqBody '[JSON] [String] :> Post '[JSON] ()
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:<|> "test" :> QueryParams "params" Int :> ReqBody '[JSON] String :> Put '[JSON] ()
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:<|> "test" :> Capture "id" Int :> Delete '[JSON] ()
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testApi :: [Req]
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testApi = listFromAPI (Proxy :: Proxy LangX) (Proxy :: Proxy TestApi)
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listFromAPISpec :: Spec
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listFromAPISpec = describe "listFromAPI" $ do
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it "generates 4 endpoints for TestApi" $
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length testApi `shouldBe` 4
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let [getReq, postReq, putReq, deleteReq] = testApi
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let reqEq req1 req2 = do
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_reqUrl req1 `shouldBe` _reqUrl req2
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_reqMethod req1 `shouldBe` _reqMethod req2
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_reqBody req1 `shouldBe` _reqBody req2
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_reqReturnType req1 `shouldBe` _reqReturnType req2
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_funcName req1 `shouldBe` _funcName req2
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let h = case (_reqHeaders req1, _reqHeaders req2) of
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([], []) -> True
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([HeaderArg a], [HeaderArg b]) -> a == b
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_ -> False
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h `shouldBe` True
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it "collects all info for get request" $ do
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let req1 = getReq
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req2 = defReq
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{ _reqUrl = Url
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[ Segment $ Static "test" ]
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[ QueryArg ("flag", "boolX") Flag ]
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, _reqMethod = "GET"
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, _reqHeaders = [HeaderArg ("header", "listX of stringX")]
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, _reqBody = Nothing
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, _reqReturnType = "intX"
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, _funcName = ["get", "test"]
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}
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reqEq req1 req2
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it "collects all info for post request" $ do
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let req1 = getReq
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req2 = defReq
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{ _reqUrl = Url
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[ Segment $ Static "test" ]
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[ QueryArg ("param", "intX") Normal ]
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, _reqMethod = "POST"
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, _reqHeaders = []
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, _reqBody = Just "listX of stringX"
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, _reqReturnType = "voidX"
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, _funcName = ["post", "test"]
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}
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reqEq req1 req2
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it "collects all info for put request" $ do
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let req1 = getReq
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req2 = defReq
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{ _reqUrl = Url
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[ Segment $ Static "test" ]
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-- Shoud this be |intX| or |listX of intX| ?
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[ QueryArg ("params", "listX of intX") List ]
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, _reqMethod = "PUT"
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, _reqHeaders = []
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, _reqBody = Just "stringX"
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, _reqReturnType = "voidX"
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, _funcName = ["put", "test"]
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}
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reqEq req1 req2
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it "collects all info for delete request" $ do
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let req1 = getReq
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req2 = defReq
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{ _reqUrl = Url
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[ Segment $ Static "test"
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, Segment $ Cap ("id", "intX") ]
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[]
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, _reqMethod = "DELETE"
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, _reqHeaders = []
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, _reqBody = Nothing
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, _reqReturnType = "voidX"
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, _funcName = ["delete", "test", "by", "id"]
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}
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reqEq req1 req2
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