Harness.hs

{-# LANGUAGE OverloadedLabels #-}
-- @generated by keiro-dsl 0.18.0.0 (language keiro-dsl 6) from aggregate ReplayTarget; do not edit.
module Generated.CheckedMappingReplay.ReplayTarget.Harness (harnessAssertions) where

import Generated.CheckedMappingReplay.ReplayTarget.Domain
import Generated.CheckedMappingReplay.ReplayTarget.Codec (encodeReplayTargetEvent, parseReplayTargetEvent, replayTargetCodec, encodeReplayEnvelopeMapped, decodeReplayEnvelopeMapped)
import Generated.CheckedMappingReplay.ReplayTarget.Transducer (replayTargetTransducer)
import Keiki.Core (applyEventsEither, defaultValidationOptions, step, validateTransducer, (!))
import Keiro.Codec (eventType)
import Generated.CheckedMappingReplay.Nominals (RetainedId, parseRetainedId)
import Data.Aeson qualified as Aeson
import Data.Aeson.Key qualified as AesonKey
import Data.Aeson.KeyMap qualified as AesonKeyMap
import Data.Either (isLeft, isRight)
import Data.List.NonEmpty qualified as NonEmpty
import Data.Text qualified as T
import Keiro.Codec.Structural (FixtureCases (..))
import Conformance.CheckedMappingReplay.Bindings qualified as Bindings

-- | (label, passed). A driver runs these and exits non-zero on any False,
-- naming the failing assertion. Filling a hole wrongly turns a specific
-- entry False; the scaffold cannot.
harnessAssertions :: [(String, Bool)]
harnessAssertions =
  [ ("validateTransducer is empty", null (validateTransducer defaultValidationOptions replayTargetTransducer))
  -- clock-free: spec samples no wall clock (verified at scaffold time)
  , ("golden round-trip: Stored", roundTrips sampleEventStored)
  , ("accepts Store from ReplayTargetReady", acceptStore)
  ]
  ++ mappedConformanceAssertions
  ++ forwardReplayStore

roundTrips :: ReplayTargetEvent -> Bool
roundTrips e = parseReplayTargetEvent (eventType replayTargetCodec e) (encodeReplayTargetEvent e) == Right e

sampleRetainedId :: RetainedId
sampleRetainedId =
  case parseRetainedId "retained_01h455vb4pex5vsknk084sn02q" of
    Right parsed -> parsed
    Left problem -> error (show problem)

sampleEventStored :: ReplayTargetEvent
sampleEventStored = Stored (StoredData sampleRetainedId (snd (NonEmpty.head (fixtureCases Bindings.replayEnvelopeFixtures))))

acceptStore :: Bool
acceptStore =
  case step replayTargetTransducer (ReplayTargetReady, initialReplayTargetRegs) (Store (StoreData sampleRetainedId (snd (NonEmpty.head (fixtureCases Bindings.replayEnvelopeFixtures))))) of
    Just (v, _, _) -> v == ReplayTargetReady
    Nothing -> False

-- forward/replay equality (plan 147): cross the persisted codec boundary,
-- replay the emitted chain, and compare the final vertex and every register.
forwardReplayStore :: [(String, Bool)]
forwardReplayStore =
  case step replayTargetTransducer (ReplayTargetReady, initialReplayTargetRegs) (Store (StoreData sampleRetainedId (snd (NonEmpty.head (fixtureCases Bindings.replayEnvelopeFixtures))))) of
    Nothing -> [(prefix <> "forward step accepted", False)]
    Just (forwardVertex, forwardRegs, emitted) ->
      case mapM (\event -> parseReplayTargetEvent (eventType replayTargetCodec event) (encodeReplayTargetEvent event)) emitted of
        Left _ -> [(prefix <> "emitted chain decodes", False)]
        Right decodedEvents ->
          case applyEventsEither replayTargetTransducer (ReplayTargetReady, initialReplayTargetRegs) decodedEvents of
            Left _ -> [(prefix <> "replay succeeds", False)]
            Right (replayVertex, replayRegs) ->
              [ (prefix <> "final vertex", replayVertex == forwardVertex)
              , (prefix <> "register latest", (replayRegs ! #latest) == (forwardRegs ! #latest))
              ]
  where
    prefix = "forward/replay equality: Store from ReplayTargetReady -- "

mappedConformanceAssertions :: [(String, Bool)]
mappedConformanceAssertions =
  concat
    [ storedEnvelopeAssertions
    , structuralWirePolicyAssertions
    ]

storedEnvelopeAssertions :: [(String, Bool)]
storedEnvelopeAssertions =
  [ ("mapped codec round-trip: Stored/envelope/" <> T.unpack label, roundTrips (Stored (StoredData sampleRetainedId mappedValue)))
  | (label, mappedValue) <- NonEmpty.toList (fixtureCases Bindings.replayEnvelopeFixtures)
  ]

structuralWirePolicyAssertions :: [(String, Bool)]
structuralWirePolicyAssertions =
  [ ("wire policy missing default: conformance.checked-mapping-replay.ReplayEnvelope.v1/optionalLabels", case decodeReplayEnvelopeMapped (deleteObjectField "optionalLabels" (encodeReplayEnvelopeMapped (snd (NonEmpty.head (fixtureCases Bindings.replayEnvelopeFixtures))))) of Left _ -> False; Right decoded -> objectField "optionalLabels" (encodeReplayEnvelopeMapped decoded) == Just (Aeson.Null))
  , ("wire policy explicit null: conformance.checked-mapping-replay.ReplayEnvelope.v1/optionalLabels", isRight (decodeReplayEnvelopeMapped (insertObjectField "optionalLabels" Aeson.Null (encodeReplayEnvelopeMapped (snd (NonEmpty.head (fixtureCases Bindings.replayEnvelopeFixtures)))))))
  , ("wire policy unknown fields: conformance.checked-mapping-replay.ReplayEnvelope.v1", all (\(_, value) -> isLeft (decodeReplayEnvelopeMapped (insertObjectField "__keiro_unknown" (Aeson.Bool True) (encodeReplayEnvelopeMapped value)))) (NonEmpty.toList (fixtureCases Bindings.replayEnvelopeFixtures)))
  ]

deleteObjectField :: T.Text -> Aeson.Value -> Aeson.Value
deleteObjectField key (Aeson.Object objectValue) = Aeson.Object (AesonKeyMap.delete (AesonKey.fromText key) objectValue)
deleteObjectField _ value = value

insertObjectField :: T.Text -> Aeson.Value -> Aeson.Value -> Aeson.Value
insertObjectField key inserted (Aeson.Object objectValue) = Aeson.Object (AesonKeyMap.insert (AesonKey.fromText key) inserted objectValue)
insertObjectField _ _ value = value

objectField :: T.Text -> Aeson.Value -> Maybe Aeson.Value
objectField key (Aeson.Object objectValue) = AesonKeyMap.lookup (AesonKey.fromText key) objectValue
objectField _ _ = Nothing