depot/third_party/tvl/users/grfn/xanthous/test/Xanthous/OrphansSpec.hs

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{-# LANGUAGE BlockArguments #-}
{-# LANGUAGE OverloadedLists #-}
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module Xanthous.OrphansSpec where
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import Test.Prelude
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import Text.Mustache
import Text.Megaparsec (errorBundlePretty)
import Graphics.Vty.Attributes
import qualified Data.Aeson as JSON
import Data.Interval (Interval, (<=..<=), (<=..<), (<..<=))
import Data.Aeson ( ToJSON(toJSON), object, Value(Array) )
import Data.Aeson.Types (fromJSON)
import Data.IntegerInterval (Extended(Finite))
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import Xanthous.Orphans
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main :: IO ()
main = defaultMain test
test :: TestTree
test = testGroup "Xanthous.Orphans"
[ localOption (QuickCheckTests 50)
. localOption (QuickCheckMaxSize 10)
$ testGroup "Template"
[ testProperty "ppTemplate / compileMustacheText " \tpl ->
let src = ppTemplate tpl
res :: Either String Template
res = over _Left errorBundlePretty
$ compileMustacheText (templateActual tpl) src
expected = templateCache tpl ^?! at (templateActual tpl)
in
counterexample (unpack src)
$ Right expected === do
(Template actual cache) <- res
maybe (Left "Template not found") Right $ cache ^? at actual
, testProperty "JSON round trip" $ \(tpl :: Template) ->
counterexample (unpack $ ppTemplate tpl)
$ JSON.decode (JSON.encode tpl) === Just tpl
]
, testGroup "Attr"
[ jsonRoundTrip @Attr ]
, testGroup "Extended"
[ jsonRoundTrip @(Extended Int) ]
, testGroup "Interval"
[ testGroup "JSON"
[ jsonRoundTrip @(Interval Int)
, testCase "parses a single value as a length-1 interval" $
getSuccess (fromJSON $ toJSON (1 :: Int))
@?= Just (Finite (1 :: Int) <=..<= Finite 1)
, testCase "parses a pair of values as a single-ended interval" $
getSuccess (fromJSON $ toJSON ([1, 2] :: [Int]))
@?= Just (Finite (1 :: Int) <=..< Finite (2 :: Int))
, testCase "parses the full included/excluded syntax" $
getSuccess (fromJSON $ Array [ object [ "Excluded" JSON..= (1 :: Int) ]
, object [ "Included" JSON..= (4 :: Int) ]
])
@?= Just (Finite (1 :: Int) <..<= Finite (4 :: Int))
, testCase "parses open/closed as aliases" $
getSuccess (fromJSON $ Array [ object [ "Open" JSON..= (1 :: Int) ]
, object [ "Closed" JSON..= (4 :: Int) ]
])
@?= Just (Finite (1 :: Int) <..<= Finite (4 :: Int))
]
]
]
where
getSuccess :: JSON.Result a -> Maybe a
getSuccess (JSON.Error _) = Nothing
getSuccess (JSON.Success r) = Just r