Add a Plutus Tx test utility package (#6086)

Signed-off-by: Ana Pantilie <ana.pantilie95@gmail.com>
IntersectMBO · May 23, 2024 · 252b634 · 252b634
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diff --git a/cabal.project b/cabal.project
@@ -26,6 +26,7 @@ packages: doc/read-the-docs-site
           plutus-metatheory
           plutus-tx
           plutus-tx-plugin
+          plutus-tx-test-util
           prettyprinter-configurable
           stubs/plutus-ghc-stub
 

diff --git a/plutus-benchmark/common/PlutusBenchmark/Common.hs b/plutus-benchmark/common/PlutusBenchmark/Common.hs
@@ -35,14 +35,13 @@ import PlutusBenchmark.ProtocolParameters as PP
 
 import PlutusLedgerApi.Common qualified as LedgerApi
 
-import PlutusTx qualified as Tx
-
 import PlutusCore qualified as PLC
 import PlutusCore.Default
 import PlutusCore.Evaluation.Machine.ExBudget (ExBudget (..))
 import PlutusCore.Evaluation.Machine.ExBudgetingDefaults qualified as PLC
 import PlutusCore.Evaluation.Machine.ExMemory (ExCPU (..), ExMemory (..))
 
+import PlutusTx.Test.Util.Compiled
 import UntypedPlutusCore qualified as UPLC
 import UntypedPlutusCore.Evaluation.Machine.Cek as Cek
 import UntypedPlutusCore.Evaluation.Machine.Cek qualified as UPLC
@@ -52,7 +51,6 @@ import Criterion.Main
 import Criterion.Types (Config (..))
 import Data.ByteString qualified as BS
 import Data.SatInt (fromSatInt)
-import Data.Text (Text)
 import Flat qualified
 import GHC.IO.Encoding (setLocaleEncoding)
 import System.Directory
@@ -78,58 +76,6 @@ getConfig limit = do
                 timeLimit = limit
               }
 
-type Term = UPLC.Term PLC.NamedDeBruijn DefaultUni DefaultFun ()
-type Program = UPLC.Program PLC.NamedDeBruijn DefaultUni DefaultFun ()
-
-{- | Given a DeBruijn-named term, give every variable the name "v".  If we later
-   call unDeBruijn, that will rename the variables to things like "v123", where
-   123 is the relevant de Bruijn index.-}
-toNamedDeBruijnTerm
-    :: UPLC.Term UPLC.DeBruijn DefaultUni DefaultFun ()
-    -> UPLC.Term UPLC.NamedDeBruijn DefaultUni DefaultFun ()
-toNamedDeBruijnTerm = UPLC.termMapNames UPLC.fakeNameDeBruijn
-
-{- | Remove the textual names from a NamedDeBruijn term -}
-toAnonDeBruijnTerm
-    :: Term
-    -> UPLC.Term UPLC.DeBruijn DefaultUni DefaultFun ()
-toAnonDeBruijnTerm = UPLC.termMapNames UPLC.unNameDeBruijn
-
-toAnonDeBruijnProg
-    :: UPLC.Program UPLC.NamedDeBruijn DefaultUni DefaultFun ()
-    -> UPLC.Program UPLC.DeBruijn      DefaultUni DefaultFun ()
-toAnonDeBruijnProg (UPLC.Program () ver body) =
-    UPLC.Program () ver $ toAnonDeBruijnTerm body
-
-
-{- | Just extract the body of a program wrapped in a 'CompiledCodeIn'.  We use this a lot. -}
-compiledCodeToTerm
-    :: Tx.CompiledCodeIn DefaultUni DefaultFun a -> Term
-compiledCodeToTerm (Tx.getPlcNoAnn -> UPLC.Program _ _ body) = body
-
-{- | Lift a Haskell value to a PLC term.  The constraints get a bit out of control
-   if we try to do this over an arbitrary universe.-}
-haskellValueToTerm
-    :: Tx.Lift DefaultUni a => a -> Term
-haskellValueToTerm = compiledCodeToTerm . Tx.liftCodeDef
-
-{- | Just run a term to obtain an `EvaluationResult` (used for tests etc.) -}
-unsafeRunTermCek :: Term -> EvaluationResult Term
-unsafeRunTermCek =
-    unsafeExtractEvaluationResult
-        . (\(res, _, _) -> res)
-        . runCekDeBruijn PLC.defaultCekParameters Cek.restrictingEnormous Cek.noEmitter
-
--- | Just run a term.
-runTermCek ::
-    Term ->
-    ( Either (CekEvaluationException UPLC.NamedDeBruijn DefaultUni DefaultFun) Term
-    , [Text]
-    )
-runTermCek =
-    (\(res, _, logs) -> (res, logs))
-        . runCekDeBruijn PLC.defaultCekParameters Cek.restrictingEnormous Cek.logEmitter
-
 -- | Evaluate a script and return the CPU and memory costs (according to the cost model)
 getCostsCek :: UPLC.Program UPLC.NamedDeBruijn DefaultUni DefaultFun () -> (Integer, Integer)
 getCostsCek (UPLC.Program _ _ prog) =
@@ -138,21 +84,6 @@ getCostsCek (UPLC.Program _ _ prog) =
           let ExBudget (ExCPU cpu)(ExMemory mem) = budget
           in (fromSatInt cpu, fromSatInt mem)
 
-{- | Evaluate a PLC term and check that the result matches a given Haskell value
-   (perhaps obtained by running the Haskell code that the term was compiled
-   from).  We evaluate the lifted Haskell value as well, because lifting may
-   produce reducible terms. The function is polymorphic in the comparison
-   operator so that we can use it with both HUnit Assertions and QuickCheck
-   Properties.  -}
-cekResultMatchesHaskellValue
-    :: Tx.Lift DefaultUni a
-    => Term
-    -> (EvaluationResult Term -> EvaluationResult Term -> b)
-    -> a
-    -> b
-cekResultMatchesHaskellValue term matches value =
-    (unsafeRunTermCek term) `matches` (unsafeRunTermCek $ haskellValueToTerm value)
-
 -- | Create the evaluation context for the benchmarks. This doesn't exactly match how it's done
 -- on-chain, but that's okay because the evaluation context is cached by the ledger, so we're
 -- deliberately not including it in the benchmarks.

diff --git a/plutus-benchmark/plutus-benchmark.cabal b/plutus-benchmark/plutus-benchmark.cabal
@@ -8,8 +8,8 @@ license-files:
 
 maintainer:    michael.peyton-jones@iohk.io
 author:        Plutus Core Team
-homepage:      https://github.com/iohk/plutus#readme
-bug-reports:   https://github.com/iohk/plutus/issues
+homepage:      https://github.com/IntersectMBO/plutus
+bug-reports:   https://github.com/IntersectMBO/plutus/issues
 description:
   Please see the README on GitHub at <https://github.com/IntersectMBO/plutus#readme>
 
@@ -22,7 +22,7 @@ data-files:
 
 source-repository head
   type:     git
-  location: https://github.com/iohk/plutus
+  location: https://github.com/IntersectMBO/plutus
 
 -- Any files that use a `$$(...)` splice from the plugin should mention
 -- `PlutusTx.Plugin()` somewhere, even if it's just `import PlutusTx.Plugin()`.
@@ -83,20 +83,19 @@ library plutus-benchmark-common
 
   other-modules:   Paths_plutus_benchmark
   build-depends:
-    , base               >=4.9   && <5
+    , base                 >=4.9   && <5
     , bytestring
     , criterion
     , deepseq
     , directory
     , filepath
-    , flat               ^>=0.6
-    , plutus-core        ^>=1.28
-    , plutus-ledger-api  ^>=1.28
-    , plutus-tx          ^>=1.28
+    , flat                 ^>=0.6
+    , plutus-core          ^>=1.28
+    , plutus-ledger-api    ^>=1.28
+    , plutus-tx-test-util
     , tasty
     , tasty-golden
     , temporary
-    , text
 
 ---------------- nofib ----------------
 

diff --git a/plutus-tx-plugin/plutus-tx-plugin.cabal b/plutus-tx-plugin/plutus-tx-plugin.cabal
@@ -172,7 +172,6 @@ test-suite plutus-tx-plugin-tests
     TH.Spec
     TH.TestTH
     Unicode.Spec
-    Util.Common
 
   build-depends:
     , base                                            >=4.9   && <5
@@ -186,6 +185,7 @@ test-suite plutus-tx-plugin-tests
     , mtl
     , plutus-core:{plutus-core, plutus-core-testlib}  ^>=1.28
     , plutus-tx-plugin                                ^>=1.28
+    , plutus-tx-test-util
     , plutus-tx:{plutus-tx, plutus-tx-testlib}        ^>=1.28
     , serialise
     , tasty

diff --git a/plutus-tx-plugin/test/AssocMap/Spec.hs b/plutus-tx-plugin/test/AssocMap/Spec.hs
@@ -35,11 +35,12 @@ import PlutusTx.List qualified as PlutusTx
 import PlutusTx.Prelude qualified as PlutusTx
 import PlutusTx.Show qualified as PlutusTx
 import PlutusTx.Test
+import PlutusTx.Test.Util.Compiled (cekResultMatchesHaskellValue, compiledCodeToTerm,
+                                    unsafeRunTermCek)
 import PlutusTx.TH (compile)
 import PlutusTx.These (These (..), these)
 import Test.Tasty (TestTree, testGroup)
 import Test.Tasty.Hedgehog (testProperty)
-import Util.Common (cekResultMatchesHaskellValue, compiledCodeToTerm, unsafeRunTermCek)
 
 
 -- | Test the performance and interaction between 'insert', 'delete' and 'lookup'.

diff --git a/plutus-tx-test-util/LICENSE b/plutus-tx-test-util/LICENSE
@@ -0,0 +1,53 @@
+Apache License
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+
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+
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diff --git a/plutus-tx-test-util/NOTICE b/plutus-tx-test-util/NOTICE
@@ -0,0 +1,14 @@
+Copyright 2024 Input Output Global, Inc.
+
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+   you may not use this file except in compliance with the License.
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+
diff --git a/plutus-tx-test-util/plutus-tx-test-util.cabal b/plutus-tx-test-util/plutus-tx-test-util.cabal
@@ -0,0 +1,79 @@
+cabal-version: 3.0
+name:          plutus-tx-test-util
+version:       0.1.0.0
+description:   Test utilities for Plutus Tx
+homepage:      https://github.com/IntersectMBO/plutus
+bug-reports:   https://github.com/IntersectMBO/plutus/issues
+license:       Apache-2.0
+license-files:
+  LICENSE
+  NOTICE
+
+author:        Plutus Core Team
+maintainer:    ana.pantilie@iohk.io
+build-type:    Simple
+
+source-repository head
+  type:     git
+  location: https://github.com/IntersectMBO/plutus
+
+-- Any files that use a `$$(...)` splice from the plugin should mention
+-- `PlutusTx.Plugin()` somewhere, even if it's just `import PlutusTx.Plugin()`.
+-- If none of your files mention the plugin explicitly then the code will still
+-- compile (assuming that there's a dependence on `plutus-tx-plugin`) but you'll
+-- get a warning that `plutus-tx-plugin` was not needed for compilation, and
+-- that will cause a CI failure.
+
+
+-- This should be used for anything that depends on plutus-tx-plugin, even
+-- transitively.  If you miss it out somewhere then nix will probably produce an
+-- error message saying "the component is not buildable in the current
+-- environment" if e.g. the nix shell supplies an unsupported GCH version.  See
+-- the section on GHC versions in `CONTRIBUTING.md`.
+common ghc-version-support
+  if (impl(ghc <9.6) || impl(ghc >=9.7))
+    buildable: False
+
+common lang
+  default-language:   Haskell2010
+  default-extensions:
+    DeriveFoldable
+    DeriveFunctor
+    DeriveGeneric
+    DeriveLift
+    DeriveTraversable
+    DerivingStrategies
+    DerivingVia
+    ExplicitForAll
+    FlexibleContexts
+    GeneralizedNewtypeDeriving
+    ImportQualifiedPost
+    ScopedTypeVariables
+    StandaloneDeriving
+
+  -- See Note [-fno-full-laziness in Plutus Tx]
+  ghc-options:
+    -fno-specialise -fno-spec-constr -fno-strictness
+    -fno-ignore-interface-pragmas -fno-omit-interface-pragmas
+    -fno-unbox-strict-fields -fno-unbox-small-strict-fields
+    -fno-full-laziness
+
+  ghc-options:
+    -Wall -Wnoncanonical-monad-instances -Wincomplete-uni-patterns
+    -Wincomplete-record-updates -Wredundant-constraints -Widentities
+    -Wunused-packages -Wmissing-deriving-strategies
+
+library
+  import:           lang
+  exposed-modules:  PlutusTx.Test.Util.Compiled
+
+  -- other-modules:
+  -- other-extensions:
+  build-depends:
+    , base         >=4.9   && <5
+    , plutus-core  ^>=1.28
+    , plutus-tx    ^>=1.28
+    , text
+
+  hs-source-dirs:   testlib
+  default-language: Haskell2010