servant/servant-docs/test/Servant/DocsSpec.hs

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{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE FlexibleInstances #-}
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{-# LANGUAGE FlexibleContexts #-}
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{-# LANGUAGE MultiParamTypeClasses #-}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE TypeOperators #-}
{-# LANGUAGE TypeSynonymInstances #-}
{-# OPTIONS_GHC -fno-warn-orphans #-}
module Servant.DocsSpec where
import Control.Lens
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import Data.Aeson
import Data.Monoid
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import Data.Proxy
import Data.String.Conversions (cs)
import GHC.Generics
import Test.Hspec
import Servant.API
import Servant.Docs.Internal
spec :: Spec
spec = describe "Servant.Docs" $ do
describe "markdown" $ do
let md = markdown (docs (Proxy :: Proxy TestApi1))
tests md
describe "markdown with extra info" $ do
let
extra = extraInfo
(Proxy :: Proxy (Get '[JSON, PlainText] (Headers '[Header "Location" String] Int)))
(defAction & notes <>~ [DocNote "Get an Integer" ["get an integer in Json or plain text"]])
<>
extraInfo
(Proxy :: Proxy (ReqBody '[JSON] String :> Post '[JSON] Datatype1))
(defAction & notes <>~ [DocNote "Post data" ["Posts some Json data"]])
md = markdown (docsWith defaultDocOptions [] extra (Proxy :: Proxy TestApi1))
tests md
it "contains the extra info provided" $ do
md `shouldContain` "Get an Integer"
md `shouldContain` "Post data"
md `shouldContain` "get an integer in Json or plain text"
md `shouldContain` "Posts some Json data"
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describe "tuple samples" $ do
it "looks like expected" $ do
(toSample (Proxy :: Proxy (TT, UT))) `shouldBe` Just (TT1,UT1)
(toSample (Proxy :: Proxy (TT, UT, UT))) `shouldBe` Just (TT1,UT1,UT1)
(toSamples (Proxy :: Proxy (TT, UT))) `shouldBe`
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[ ("eins, yks",(TT1,UT1)), ("eins, kaks",(TT1,UT2))
, ("zwei, yks",(TT2,UT1)), ("zwei, kaks",(TT2,UT2))
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]
(toSamples (Proxy :: Proxy (TT, UT, UT))) `shouldBe`
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[ ("eins, yks, yks",(TT1,UT1,UT1))
, ("eins, yks, kaks",(TT1,UT1,UT2))
, ("zwei, yks, yks",(TT2,UT1,UT1))
, ("eins, kaks, yks",(TT1,UT2,UT1))
, ("zwei, yks, kaks",(TT2,UT1,UT2))
, ("eins, kaks, kaks",(TT1,UT2,UT2))
, ("zwei, kaks, yks",(TT2,UT2,UT1))
, ("zwei, kaks, kaks",(TT2,UT2,UT2))
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]
where
tests md = do
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it "mentions supported content-types" $ do
md `shouldContain` "application/json"
md `shouldContain` "text/plain;charset=utf-8"
it "mentions status codes" $ do
md `shouldContain` "Status code 200"
md `shouldContain` "Status code 201"
it "mentions methods" $ do
md `shouldContain` "POST"
md `shouldContain` "GET"
it "contains response samples" $
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md `shouldContain` "{\"dt1field1\":\"field 1\",\"dt1field2\":13}"
it "contains request body samples" $
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md `shouldContain` "17"
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-- * APIs
data Datatype1 = Datatype1 { dt1field1 :: String
, dt1field2 :: Int
} deriving (Eq, Show, Generic)
instance ToJSON Datatype1
instance ToSample Datatype1 where
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toSamples _ = singleSample $ Datatype1 "field 1" 13
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instance ToSample Char where
toSamples _ = samples ['a'..'z']
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instance ToSample Int where
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toSamples _ = singleSample 17
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instance MimeRender PlainText Int where
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mimeRender _ = cs . show
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type TestApi1 = Get '[JSON, PlainText] (Headers '[Header "Location" String] Int)
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:<|> ReqBody '[JSON] String :> Post '[JSON] Datatype1
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data TT = TT1 | TT2 deriving (Show, Eq)
data UT = UT1 | UT2 deriving (Show, Eq)
instance ToSample TT where
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toSamples _ = [("eins", TT1), ("zwei", TT2)]
instance ToSample UT where
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toSamples _ = [("yks", UT1), ("kaks", UT2)]