tvl-depot/users/grfn/xanthous/test/Test/Prelude.hs
Griffin Smith 5b4c4f0701 feat(gs/xanthous): Enable tasty-rerun
Rerunning only failed tests is nice! To use this, run `cabal new-run
test -- --rerun`

Change-Id: I9dc4d69749c3e3d5ba8d1661a2fdf73e49cd8ad5
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3816
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
2021-11-08 15:29:05 +00:00

34 lines
1.4 KiB
Haskell

{-# LANGUAGE AllowAmbiguousTypes #-}
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module Test.Prelude
( module Xanthous.Prelude
, module Test.Tasty
, module Test.Tasty.HUnit
, module Test.Tasty.QuickCheck
, module Test.Tasty.Ingredients.Rerun
, module Test.QuickCheck.Classes
, testBatch
, jsonRoundTrip
) where
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import Xanthous.Prelude hiding (assert, elements)
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import Test.Tasty
import Test.Tasty.QuickCheck
import Test.Tasty.HUnit
import Test.Tasty.Ingredients.Rerun
import Test.QuickCheck.Classes
import Test.QuickCheck.Checkers (TestBatch, EqProp ((=-=)))
import Test.QuickCheck.Instances.ByteString ()
--------------------------------------------------------------------------------
import qualified Data.Aeson as JSON
import Data.Aeson (ToJSON, FromJSON)
--------------------------------------------------------------------------------
testBatch :: TestBatch -> TestTree
testBatch (name, tests) = testGroup name $ uncurry testProperty <$> tests
jsonRoundTrip
:: forall a. (ToJSON a, FromJSON a, EqProp a, Arbitrary a, Show a) => TestTree
jsonRoundTrip = testProperty "JSON round trip" $ \(x :: a) ->
JSON.decode (JSON.encode x) =-= Just x