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mirror of https://github.com/github/semantic.git synced 2024-12-22 22:31:36 +03:00
semantic/semantic-python/test/Test.hs
2019-09-17 10:46:20 -04:00

97 lines
4.1 KiB
Haskell

{-# LANGUAGE DeriveAnyClass, DerivingStrategies, GeneralizedNewtypeDeriving, OverloadedStrings, TypeApplications, TypeOperators #-}
module Main (main) where
import qualified Analysis.Eval as Eval
import Control.Effect
import Control.Effect.Fail
import Control.Monad hiding (fail)
import Control.Monad.Catch
import Control.Monad.IO.Class
import qualified Data.Aeson as Aeson
import qualified Data.Aeson.Encode.Pretty as Aeson
import qualified Data.ByteString.Char8 as ByteString
import qualified Data.ByteString.Lazy.Char8 as ByteString.Lazy
import qualified Data.ByteString.Streaming.Char8 as ByteStream
import Data.Core
import Data.Core.Pretty
import Data.File
import Data.Foldable
import Data.Function
import Data.List (sort)
import Data.Loc
import Data.Maybe
import Data.Name
import Data.Term
import GHC.Stack
import qualified Language.Python.Core as Py
import Prelude hiding (fail)
import Streaming
import qualified Streaming.Process
import System.Directory
import System.Exit
import System.FilePath
import qualified TreeSitter.Span as TS (Span)
import qualified TreeSitter.Python as TSP
import qualified TreeSitter.Python.AST as TSP
import qualified TreeSitter.Unmarshal as TS
import qualified Test.Tasty as Tasty
import qualified Test.Tasty.HUnit as HUnit
import Analysis.ScopeGraph
import qualified Directive
import Instances ()
assertJQExpressionSucceeds :: Directive.Directive -> Term (Ann :+: Core) Name -> HUnit.Assertion
assertJQExpressionSucceeds directive core = do
bod <- case scopeGraph Eval.eval [File interactive core] of
(heap, [File _ (Right result)]) -> pure $ Aeson.object
[ "scope" Aeson..= heap
, "heap" Aeson..= result
, "tree" Aeson..= Aeson.toJSON1 core
]
_other -> HUnit.assertFailure "Couldn't run scope dumping mechanism; this shouldn't happen"
let ignore = ByteStream.effects . hoist ByteStream.effects
sgJSON = ByteStream.fromLazy $ Aeson.encode bod
jqPipeline = Streaming.Process.withStreamingProcess (Directive.toProcess directive) sgJSON ignore
errorMsg = "jq(1) returned non-zero exit code"
dirMsg = "jq expression: " <> show directive
jsonMsg = "JSON value: " <> ByteString.Lazy.unpack (Aeson.encodePretty bod)
treeMsg = "Core expr: " <> showCore (stripAnnotations core)
catch @_ @Streaming.Process.ProcessExitedUnsuccessfully jqPipeline $ \err -> do
HUnit.assertFailure (unlines [errorMsg, dirMsg, jsonMsg, treeMsg, show err])
fixtureTestTreeForFile :: HasCallStack => FilePath -> Tasty.TestTree
fixtureTestTreeForFile fp = HUnit.testCaseSteps fp $ \step -> withFrozenCallStack $ do
fileContents <- ByteString.readFile ("semantic-python/test/fixtures" </> fp)
directives <- case Directive.parseDirectives fileContents of
Right dir -> pure dir
Left err -> HUnit.assertFailure ("Directive parsing error: " <> err)
result <- TS.parseByteString TSP.tree_sitter_python fileContents
let coreResult = fmap (Control.Effect.run . runFail . Py.compile @(TSP.Module TS.Span) @_ @(Term (Ann :+: Core))) result
for_ directives $ \directive -> do
step (Directive.describe directive)
case coreResult of
Left err -> HUnit.assertFailure ("Parsing failed: " <> err)
Right (Left _) | directive == Directive.Fails -> pure ()
Right (Right _) | directive == Directive.Fails -> HUnit.assertFailure ("Expected translation to fail")
Right (Right item) -> assertJQExpressionSucceeds directive item
Right (Left err) -> HUnit.assertFailure ("Compilation failed: " <> err)
milestoneFixtures :: IO Tasty.TestTree
milestoneFixtures = do
files <- liftIO (listDirectory "semantic-python/test/fixtures")
let pythons = sort (filter ("py" `isExtensionOf`) files)
pure $ Tasty.testGroup "Translation" (fmap fixtureTestTreeForFile pythons)
main :: IO ()
main = do
jq <- findExecutable "jq"
when (isNothing jq) (die "Error: jq(1) not found in $PATH.")
milestoneFixtures >>= Tasty.defaultMain