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mirror of https://github.com/github/semantic.git synced 2024-11-24 17:04:47 +03:00
semantic/test/Integration/Spec.hs

95 lines
3.9 KiB
Haskell

module Integration.Spec (spec) where
import Data.Foldable (find, traverse_, for_)
import Data.List (union, concat, transpose)
import qualified Data.ByteString as B
import System.FilePath.Glob
import System.FilePath.Posix
import SpecHelpers
languages :: [FilePath]
languages = ["go", "javascript", "json", "python", "ruby", "typescript"]
spec :: TaskConfig -> Spec
spec config = parallel $ do
for_ languages $ \language -> do
let dir = "test/fixtures" </> language </> "corpus"
it (language <> " corpus exists") $ examples dir `shouldNotReturn` []
describe (language <> " corpus") $ runTestsIn dir []
where
runTestsIn :: FilePath -> [(FilePath, String)] -> SpecWith ()
runTestsIn directory pending = do
examples <- runIO $ examples directory
traverse_ (runTest pending) examples
runTest pending ParseExample{..} = it ("parses " <> file) $ maybe (testParse config file parseOutput) pendingWith (lookup parseOutput pending)
runTest pending DiffExample{..} = it ("diffs " <> diffOutput) $ maybe (testDiff config (both fileA fileB) diffOutput) pendingWith (lookup diffOutput pending)
data Example = DiffExample { fileA :: FilePath, fileB :: FilePath, diffOutput :: FilePath }
| ParseExample { file :: FilePath, parseOutput :: FilePath }
deriving (Eq, Show)
-- | Return all the examples from the given directory. Examples are expected to
-- | have the form:
-- |
-- | example-name.A.rb - The left hand side of the diff.
-- | example-name.B.rb - The right hand side of the diff.
-- |
-- | example-name.diffA-B.txt - The expected sexpression diff output for A -> B.
-- | example-name.diffB-A.txt - The expected sexpression diff output for B -> A.
-- |
-- | example-name.parseA.txt - The expected sexpression parse tree for example-name.A.rb
-- | example-name.parseB.txt - The expected sexpression parse tree for example-name.B.rb
examples :: FilePath -> IO [Example]
examples directory = do
as <- globFor "*.A.*"
bs <- globFor "*.B.*"
sExpAs <- globFor "*.parseA.txt"
sExpBs <- globFor "*.parseB.txt"
sExpDiffsAB <- globFor "*.diffA-B.txt"
sExpDiffsBA <- globFor "*.diffB-A.txt"
let exampleDiff lefts rights out name = DiffExample (lookupNormalized name lefts) (lookupNormalized name rights) out
let exampleParse files out name = ParseExample (lookupNormalized name files) out
let keys = (normalizeName <$> as) `union` (normalizeName <$> bs)
pure $ merge [ getExamples (exampleParse as) sExpAs keys
, getExamples (exampleParse bs) sExpBs keys
, getExamples (exampleDiff as bs) sExpDiffsAB keys
, getExamples (exampleDiff bs as) sExpDiffsBA keys ]
where
merge = concat . transpose
-- Only returns examples if they exist
getExamples f list = foldr (go f list) []
where go f list name acc = case lookupNormalized' name list of
Just out -> f out name : acc
Nothing -> acc
lookupNormalized :: FilePath -> [FilePath] -> FilePath
lookupNormalized name xs = fromMaybe
(error ("cannot find " <> name <> " make sure .A, .B and exist."))
(lookupNormalized' name xs)
lookupNormalized' :: FilePath -> [FilePath] -> Maybe FilePath
lookupNormalized' name = find ((== name) . normalizeName)
globFor :: FilePath -> IO [FilePath]
globFor p = globDir1 (compile p) directory
-- | Given a test name like "foo.A.js", return "foo".
normalizeName :: FilePath -> FilePath
normalizeName path = dropExtension $ dropExtension path
testParse :: TaskConfig -> FilePath -> FilePath -> Expectation
testParse config path expectedOutput = do
actual <- verbatim <$> parseFilePath config path
expected <- verbatim <$> B.readFile expectedOutput
actual `shouldBe` expected
testDiff :: TaskConfig -> Both FilePath -> FilePath -> Expectation
testDiff config paths expectedOutput = do
actual <- verbatim <$> diffFilePaths config paths
expected <- verbatim <$> B.readFile expectedOutput
actual `shouldBe` expected