151 lines
5.0 KiB
Haskell
151 lines
5.0 KiB
Haskell
{-# LANGUAGE ConstraintKinds #-}
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{-# LANGUAGE DataKinds #-}
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{-# LANGUAGE FlexibleContexts #-}
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{-# LANGUAGE FlexibleInstances #-}
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{-# LANGUAGE MultiParamTypeClasses #-}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE PolyKinds #-}
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{-# LANGUAGE ScopedTypeVariables #-}
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{-# LANGUAGE TypeFamilies #-}
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{-# LANGUAGE TypeOperators #-}
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module Servant.ForeignSpec where
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import Data.Monoid
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((<>))
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import Data.Proxy
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import Servant.API.Internal.Test.ComprehensiveAPI
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import Servant.Foreign
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import Servant.Types.SourceT
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(SourceT)
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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" $ do
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it "converts FunctionNames to camelCase" $ do
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camelCase (FunctionName ["post", "counter", "inc"])
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`shouldBe` "postCounterInc"
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camelCase (FunctionName ["get", "hyphen-ated", "counter"])
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`shouldBe` "getHyphen-atedCounter"
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----------------------------------------------------------------------
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-- This declaration simply checks that all instances are in place.
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_ = listFromAPI (Proxy :: Proxy LangX) (Proxy :: Proxy String) comprehensiveAPIWithoutRaw
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----------------------------------------------------------------------
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data LangX
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instance HasForeignType LangX String NoContent where
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typeFor _ _ _ = "voidX"
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instance HasForeignType LangX String (Headers ctyps NoContent) where
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typeFor _ _ _ = "voidX"
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instance HasForeignType LangX String Int where
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typeFor _ _ _ = "intX"
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instance HasForeignType LangX String (SourceT m a) where
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typeFor _ _ _ = "streamTX"
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instance HasForeignType LangX String Bool where
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typeFor _ _ _ = "boolX"
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instance {-# OVERLAPPING #-} HasForeignType LangX String String where
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typeFor _ _ _ = "stringX"
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instance {-# OVERLAPPABLE #-} HasForeignType LangX String a => HasForeignType LangX String [a] where
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typeFor lang ftype _ = "listX of " <> typeFor lang ftype (Proxy :: Proxy a)
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instance (HasForeignType LangX String a) => HasForeignType LangX String (Maybe a) where
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typeFor lang ftype _ = "maybe " <> typeFor lang ftype (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] NoContent
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:<|> "test" :> QueryParams "params" Int :> ReqBody '[JSON] String :> Put '[JSON] NoContent
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:<|> "test" :> Capture "id" Int :> Delete '[JSON] NoContent
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:<|> "test" :> CaptureAll "ids" Int :> Get '[JSON] [Int]
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:<|> "test" :> EmptyAPI
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testApi :: [Req String]
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testApi = listFromAPI (Proxy :: Proxy LangX) (Proxy :: Proxy String) (Proxy :: Proxy TestApi)
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listFromAPISpec :: Spec
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listFromAPISpec = describe "listFromAPI" $ do
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it "generates 5 endpoints for TestApi" $ do
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length testApi `shouldBe` 5
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let [getReq, postReq, putReq, deleteReq, captureAllReq] = testApi
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it "collects all info for get request" $ do
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shouldBe getReq $ defReq
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{ _reqUrl = Url
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[ Segment $ Static "test" ]
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[ QueryArg (Arg "flag" "boolX") Flag ]
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, _reqMethod = "GET"
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, _reqHeaders = [HeaderArg $ Arg "header" "maybe listX of stringX"]
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, _reqBody = Nothing
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, _reqReturnType = Just "intX"
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, _reqFuncName = FunctionName ["get", "test"]
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}
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it "collects all info for post request" $ do
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shouldBe postReq $ defReq
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{ _reqUrl = Url
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[ Segment $ Static "test" ]
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[ QueryArg (Arg "param" "maybe 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 = Just "voidX"
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, _reqFuncName = FunctionName ["post", "test"]
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}
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it "collects all info for put request" $ do
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shouldBe putReq $ 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 (Arg "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 = Just "voidX"
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, _reqFuncName = FunctionName ["put", "test"]
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}
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it "collects all info for delete request" $ do
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shouldBe deleteReq $ defReq
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{ _reqUrl = Url
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[ Segment $ Static "test"
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, Segment $ Cap (Arg "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 = Just "voidX"
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, _reqFuncName = FunctionName ["delete", "test", "by", "id"]
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}
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it "collects all info for capture all request" $ do
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shouldBe captureAllReq $ defReq
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{ _reqUrl = Url
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[ Segment $ Static "test"
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, Segment $ Cap (Arg "ids" "listX of intX") ]
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[]
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, _reqMethod = "GET"
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, _reqHeaders = []
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, _reqBody = Nothing
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, _reqReturnType = Just "listX of intX"
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, _reqFuncName = FunctionName ["get", "test", "by", "ids"]
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}
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