91 lines
3.8 KiB
Haskell
91 lines
3.8 KiB
Haskell
{-# LANGUAGE DataKinds #-}
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{-# LANGUAGE PolyKinds #-}
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{-# LANGUAGE TypeOperators #-}
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{-# LANGUAGE ConstraintKinds #-}
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module Servant.Utils.LinksSpec where
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import Test.Hspec ( Spec, it, describe, shouldBe, Expectation )
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import Data.Proxy ( Proxy(..) )
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import Servant.API
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type TestApi =
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-- Capture and query/matrix params
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"hello" :> Capture "name" String :> QueryParam "capital" Bool :> Delete
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:<|> "parent" :> MatrixParams "name" String :> "child"
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:> MatrixParam "gender" String :> Get '[JSON] String
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-- Flags
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:<|> "ducks" :> MatrixFlag "yellow" :> MatrixFlag "loud" :> Delete
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:<|> "balls" :> QueryFlag "bouncy" :> QueryFlag "fast" :> Delete
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-- All of the verbs
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:<|> "get" :> Get '[JSON] ()
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:<|> "put" :> Put '[JSON] ()
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:<|> "post" :> ReqBody '[JSON] 'True :> Post '[JSON] ()
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:<|> "delete" :> Header "ponies" :> Delete
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:<|> "raw" :> Raw
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type TestLink = "hello" :> "hi" :> Get '[JSON] Bool
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type TestLink2 = "greet" :> ReqBody '[JSON] [Int] :> Post '[PlainText] Bool
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type TestLink3 = "parent" :> "child" :> Get '[JSON] String
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type BadTestLink = "hallo" :> "hi" :> Get '[JSON] Bool
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type BadTestLink2 = "greet" :> Get '[PlainText] Bool
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type BadTestLink3 = "parent" :> "child" :> MatrixFlag "male" :> Get '[JSON] String
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type BadTestLink' = "hello" :> "hi" :> Get '[OctetStream] Bool
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type BadTestLink'2 = "greet" :> Get '[OctetStream] Bool
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type NotALink = "hello" :> Capture "x" Bool :> Get '[JSON] Bool
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type NotALink2 = "hello" :> ReqBody '[JSON] 'True :> Get '[JSON] Bool
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apiLink :: (IsElem endpoint TestApi, HasLink endpoint)
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=> Proxy endpoint -> MkLink endpoint
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apiLink = safeLink (Proxy :: Proxy TestApi)
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-- | Convert a link to a URI and ensure that this maps to the given string
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-- given string
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shouldBeURI :: URI -> String -> Expectation
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shouldBeURI link expected =
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show link `shouldBe` expected
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spec :: Spec
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spec = describe "Servant.Utils.Links" $ do
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it "Generates correct links for capture query and matrix params" $ do
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let l1 = Proxy :: Proxy ("hello" :> Capture "name" String :> Delete)
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apiLink l1 "hi" `shouldBeURI` "hello/hi"
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let l2 = Proxy :: Proxy ("hello" :> Capture "name" String
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:> QueryParam "capital" Bool
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:> Delete)
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apiLink l2 "bye" True `shouldBeURI` "hello/bye?capital=true"
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let l3 = Proxy :: Proxy ("parent" :> MatrixParams "name" String
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:> "child"
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:> MatrixParam "gender" String
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:> Get '[JSON] String)
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apiLink l3 ["Hubert?x=;&", "Cumberdale"] "Edward?"
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`shouldBeURI` "parent;name[]=Hubert%3Fx%3D%3B%26;\
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\name[]=Cumberdale/child;gender=Edward%3F"
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it "Generates correct links for query and matrix flags" $ do
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let l1 = Proxy :: Proxy ("balls" :> QueryFlag "bouncy"
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:> QueryFlag "fast" :> Delete)
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apiLink l1 True True `shouldBeURI` "balls?bouncy&fast"
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apiLink l1 False True `shouldBeURI` "balls?fast"
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let l2 = Proxy :: Proxy ("ducks" :> MatrixFlag "yellow"
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:> MatrixFlag "loud" :> Delete)
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apiLink l2 True True `shouldBeURI` "ducks;yellow;loud"
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apiLink l2 False True `shouldBeURI` "ducks;loud"
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it "Generates correct links for all of the verbs" $ do
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apiLink (Proxy :: Proxy ("get" :> Get '[JSON] ())) `shouldBeURI` "get"
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apiLink (Proxy :: Proxy ("put" :> Put '[JSON] ())) `shouldBeURI` "put"
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apiLink (Proxy :: Proxy ("post" :> Post '[JSON] ())) `shouldBeURI` "post"
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apiLink (Proxy :: Proxy ("delete" :> Delete)) `shouldBeURI` "delete"
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apiLink (Proxy :: Proxy ("raw" :> Raw)) `shouldBeURI` "raw"
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