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mirror of https://github.com/github/semantic.git synced 2024-12-18 20:31:55 +03:00
semantic/test/SpecHelpers.hs
2019-10-18 10:45:59 -04:00

197 lines
7.4 KiB
Haskell

{-# OPTIONS_GHC -fno-warn-orphans #-}
module SpecHelpers
( module X
, runBuilder
, diffFilePaths
, parseFilePath
, parseTestFile
, readFilePathPair
, runTaskOrDie
, runParseWithConfig
, TaskSession(..)
, testEvaluating
, toList
, Config
, LogQueue
, StatQueue
, lookupDeclaration
, lookupMembers
, EdgeLabel(..)
) where
import Control.Abstract
import Control.Carrier.Parse.Simple
import Data.Abstract.ScopeGraph (EdgeLabel(..))
import qualified Data.Abstract.ScopeGraph as ScopeGraph
import qualified Data.Abstract.Heap as Heap
import Control.Effect.Lift
import Control.Effect.Trace as X (runTraceByIgnoring, runTraceByReturning)
import Control.Monad ((>=>))
import Data.Traversable as X (for)
import Data.Abstract.Address.Precise as X
import Data.Abstract.Evaluatable
import Data.Abstract.FreeVariables as X
import Data.Abstract.Module as X
import Data.Abstract.ModuleTable as X hiding (lookup)
import Data.Abstract.Name as X
import Data.Abstract.Value.Concrete (Value(..), ValueError, runValueError)
import Data.Blob as X
import Data.Blob.IO as X
import Data.ByteString.Builder (Builder, toLazyByteString)
import Data.ByteString.Lazy (toStrict)
import Data.Project as X
import Data.Proxy as X
import Data.Foldable (toList)
import Data.Functor.Listable as X
import Data.Language as X hiding (Precise)
import Data.List.NonEmpty as X (NonEmpty(..))
import Data.Semilattice.Lower as X
import Source.Source as X (Source)
import Data.String
import Data.Sum
import Data.Term as X
import Parsing.Parser as X
import Semantic.Task as X
import Semantic.Util as X
import Semantic.Graph (runHeap, runScopeGraph)
import Source.Range as X hiding (start, end, point)
import Source.Span as X hiding (HasSpan(..), start, end, point)
import Debug.Trace as X (traceShowM, traceM)
import Data.ByteString as X (ByteString)
import Data.Edit as X
import Data.Maybe as X
import Data.Monoid as X (Monoid(..), First(..), Last(..))
import Data.Semigroup as X (Semigroup(..))
import Control.Monad as X
import Test.Hspec as X (Spec, SpecWith, context, describe, it, xit, parallel, pendingWith, around, runIO)
import Test.Hspec.Expectations as X
import Test.Hspec.LeanCheck as X
import Test.LeanCheck as X
import Semantic.Config (Config(..), optionsLogLevel)
import Semantic.Telemetry (LogQueue, StatQueue)
import Semantic.Api hiding (File, Blob, BlobPair)
import System.Exit (die)
import Control.Exception (displayException)
import qualified System.Path as Path
runBuilder :: Builder -> ByteString
runBuilder = toStrict . toLazyByteString
-- | This orphan instance is so we don't have to insert @name@ calls
-- in dozens and dozens of environment specs.
instance IsString Name where
fromString = X.name . fromString
-- | Returns an s-expression formatted diff for the specified FilePath pair.
diffFilePaths :: TaskSession -> Path.RelFile -> Path.RelFile -> IO ByteString
diffFilePaths session p1 p2 = do
blobs <- readFilePathPair p1 p2
builder <- runTask session (runParse (configTreeSitterParseTimeout (config session)) (parseDiffBuilder DiffSExpression [ blobs ]))
either (die . displayException) (pure . runBuilder) builder
-- | Returns an s-expression parse tree for the specified path.
parseFilePath :: TaskSession -> Path.RelFile -> IO (Either SomeException ByteString)
parseFilePath session path = do
blob <- readBlobFromFile (fileForTypedPath path)
res <- runTask session . runParse (configTreeSitterParseTimeout (config session)) . runReader defaultLanguageModes $ parseTermBuilder TermSExpression (toList blob)
pure (runBuilder <$> res)
runParseWithConfig :: (Carrier sig m, Member (Reader Config) sig) => ParseC m a -> m a
runParseWithConfig task = asks configTreeSitterParseTimeout >>= \ timeout -> runParse timeout task
-- | Read two files to a BlobPair.
readFilePathPair :: Path.RelFile -> Path.RelFile -> IO BlobPair
readFilePathPair p1 p2 = readFilePair (fileForTypedPath p1) (fileForTypedPath p2)
parseTestFile :: Parser term -> Path.RelFile -> IO (Blob, term)
parseTestFile parser path = runTaskOrDie $ do
blob <- readBlob (fileForPath (Path.toString path))
term <- parse parser blob
pure (blob, term)
-- Run a Task and call `die` if it returns an Exception.
runTaskOrDie :: ParseC TaskC a -> IO a
runTaskOrDie task = runTaskWithOptions defaultOptions { optionsLogLevel = Nothing } (runParseWithConfig task) >>= either (die . displayException) pure
type TestEvaluatingC term
= ResumableC (BaseError (AddressError Precise (Val term)))
( ResumableC (BaseError (ValueError term Precise))
( ResumableC (BaseError ResolutionError)
( ResumableC (BaseError (EvalError term Precise (Val term)))
( ResumableC (BaseError (HeapError Precise))
( ResumableC (BaseError (ScopeError Precise))
( ResumableC (BaseError (UnspecializedError Precise (Val term)))
( ResumableC (BaseError (LoadError Precise (Val term)))
( StateC (Heap Precise Precise (Val term))
( StateC (ScopeGraph Precise)
( FreshC
( TraceByIgnoringC
( LiftC IO))))))))))))
type TestEvaluatingErrors term
= '[ BaseError (AddressError Precise (Val term))
, BaseError (ValueError term Precise)
, BaseError ResolutionError
, BaseError (EvalError term Precise (Val term))
, BaseError (HeapError Precise)
, BaseError (ScopeError Precise)
, BaseError (UnspecializedError Precise (Val term))
, BaseError (LoadError Precise (Val term))
]
testEvaluating :: Evaluator term Precise (Val term) (TestEvaluatingC term) a
-> IO
(ScopeGraph Precise,
(Heap Precise Precise (Value term Precise),
Either (SomeError (Data.Sum.Sum (TestEvaluatingErrors term))) a))
testEvaluating
= runM
. runTraceByIgnoring
. runFresh
. runEvaluator
. runScopeGraph
. runHeap
. fmap reassociate
. runLoadError
. runUnspecialized
. runScopeError
. runHeapError
. runEvalError
. runResolutionError
. runValueError
. runAddressError
type Val term = Value term Precise
members :: EdgeLabel
-> Heap Precise Precise (Value term Precise)
-> ScopeGraph Precise
-> Value term Precise
-> Maybe [Name]
members edgeLabel heap scopeGraph (Data.Abstract.Value.Concrete.Object frame) = frameNames [ edgeLabel ] heap scopeGraph frame
members edgeLabel heap scopeGraph (Class _ _ frame) = frameNames [ edgeLabel ] heap scopeGraph frame
members _ _ _ _ = Nothing
frameNames :: [ EdgeLabel ]
-> Heap Precise Precise (Value term Precise)
-> ScopeGraph Precise
-> Precise
-> Maybe [ Name ]
frameNames edge heap scopeGraph frame = do
scopeAddress <- Heap.scopeLookup frame heap
scope <- ScopeGraph.lookupScope scopeAddress scopeGraph
pure (unDeclaration <$> toList (ScopeGraph.declarationNames edge scope scopeGraph))
lookupMembers :: Name -> EdgeLabel -> (Precise, Precise) -> Heap Precise Precise (Value term Precise) -> ScopeGraph Precise -> Maybe [ Name ]
lookupMembers name edgeLabel scopeAndFrame heap scopeGraph =
(lookupDeclaration name scopeAndFrame heap scopeGraph >>= members edgeLabel heap scopeGraph . Prelude.head)
lookupDeclaration :: Name -> (Precise, Precise) -> Heap Precise Precise (Value term Precise) -> ScopeGraph Precise -> Maybe [ Value term Precise ]
lookupDeclaration name (currentScope, currentFrame) heap scopeGraph = do
path <- ScopeGraph.lookupScopePath name currentScope scopeGraph
frameAddress <- Heap.lookupFrameAddress path currentFrame heap
toList <$> Heap.getSlotValue (Slot frameAddress (Heap.pathPosition path)) heap