Files
simplexmq/tests/CoreTests/VersionRangeTests.hs
Evgeny Poberezkin 9d12d76078 add fourmolu (#868)
* add fourmolu

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2023-10-22 09:20:14 +01:00

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Haskell

{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE TypeFamilies #-}
module CoreTests.VersionRangeTests where
import GHC.Generics (Generic)
import Generic.Random (genericArbitraryU)
import Simplex.Messaging.Version
import Test.Hspec
import Test.Hspec.QuickCheck (modifyMaxSuccess)
import Test.QuickCheck
data V = V1 | V2 | V3 | V4 | V5 deriving (Eq, Enum, Ord, Generic, Show)
instance Arbitrary V where arbitrary = genericArbitraryU
versionRangeTests :: Spec
versionRangeTests = modifyMaxSuccess (const 1000) $ do
describe "VersionRange construction" $ do
it "should fail on invalid range" $ do
vr 1 1 `shouldBe` vr 1 1
vr 1 2 `shouldBe` vr 1 2
(pure $! vr 2 1) `shouldThrow` anyErrorCall
describe "compatible version" $ do
it "should choose mutually compatible max version" $ do
(vr 1 1, vr 1 1) `compatible` Just 1
(vr 1 1, vr 1 2) `compatible` Just 1
(vr 1 2, vr 1 2) `compatible` Just 2
(vr 1 2, vr 2 3) `compatible` Just 2
(vr 1 3, vr 2 3) `compatible` Just 3
(vr 1 3, vr 2 4) `compatible` Just 3
(vr 1 2, vr 3 4) `compatible` Nothing
it "should check if version is compatible" $ do
isCompatible (1 :: Version) (vr 1 2) `shouldBe` True
isCompatible (2 :: Version) (vr 1 2) `shouldBe` True
isCompatible (2 :: Version) (vr 1 1) `shouldBe` False
isCompatible (1 :: Version) (vr 2 2) `shouldBe` False
it "compatibleVersion should pass isCompatible check" . property $
\((min1, max1) :: (V, V)) ((min2, max2) :: (V, V)) ->
min1 > max1
|| min2 > max2 -- one of ranges is invalid, skip testing it
|| let w = fromIntegral . fromEnum
vr1 = mkVersionRange (w min1) (w max1) :: VersionRange
vr2 = mkVersionRange (w min2) (w max2) :: VersionRange
in case compatibleVersion vr1 vr2 of
Just (Compatible v) -> v `isCompatible` vr1 && v `isCompatible` vr2
_ -> True
where
vr = mkVersionRange
compatible :: (VersionRange, VersionRange) -> Maybe Version -> Expectation
(vr1, vr2) `compatible` v = do
(vr1, vr2) `checkCompatible` v
(vr2, vr1) `checkCompatible` v
(vr1, vr2) `checkCompatible` v =
case compatibleVersion vr1 vr2 of
Just (Compatible v') -> Just v' `shouldBe` v
Nothing -> Nothing `shouldBe` v