tests: add/move Test.Hspec.Nix.forceRight from json

hnix-store-core/tests/Fingerprint.hs

@@ -69,5 +69,5 @@ forceDecodeB64Pubkey b64EncodedPubkey = let
 forceRight :: Either a b -> b
 forceRight = \case
   Right x -> x
-  _ -> error "fromRight failed"
+  _ -> error "forceRight failed"
 

hnix-store-json/tests/JSONSpec.hs

@@ -5,7 +5,7 @@ import Data.Aeson (ToJSON, FromJSON, decode, encode)
 import Data.Default.Class (Default(def))
 import Test.Hspec (Expectation, Spec, describe, it, shouldBe)
 import Test.Hspec.QuickCheck (prop)
-import Test.Hspec.Nix (roundtrips)
+import Test.Hspec.Nix (forceRight, roundtrips)
 
 import System.Nix.Arbitrary ()
 import System.Nix.JSON ()
@@ -99,11 +99,3 @@ spec = do
 
       it "sampleRealisation1 matches preimage" $
         encode sampleRealisation1 `shouldBe` "{\"outPath\":\"5rwxzi7pal3qhpsyfc16gzkh939q1np6-curl-7.82.0.drv\",\"signatures\":[\"SMjnB3mPgXYjXacU+xN24BdzXlAgGAuFnYwPddU3bhjfHBeQus/OimdIPMgR/JMKFPHXORrk7pbjv68vecTEBA==\",\"fW3iEMfyx6IZzGNswD54BjclfkXiYzh0xRXddrXfJ1rp1l8p1xTi9/0g2EibbwLFb6p83cwIJv5KtTGksC54CQ==\"],\"dependentRealisations\":{\"sha256:1b4sb93wp679q4zx9k1ignby1yna3z7c4c2ri3wphylbc2dwsys0!foo\":\"9472ijanf79nlkb5n1yh57s7867p1930-testFixed\"}}"
-
-forceRight
-  :: Show a
-  => Either a b
-  -> b
-forceRight = \case
-  Right x -> x
-  Left e -> error $ "fromRight failed: " ++ show e

hnix-store-tests/src/Test/Hspec/Nix.hs

@@ -1,5 +1,6 @@
 module Test.Hspec.Nix
-  ( roundtrips
+  ( forceRight
+  , roundtrips
   ) where
 
 import Test.Hspec (Expectation, shouldBe)
@@ -18,3 +19,11 @@ roundtrips
   -> Expectation
 roundtrips encode decode x =
   decode (encode x) `shouldBe` pure x
+
+forceRight
+  :: Show a
+  => Either a b
+  -> b
+forceRight = \case
+  Right x -> x
+  Left e -> error $ "forceRight failed: " ++ show e