mirror of
https://github.com/github/semantic.git
synced 2024-11-28 10:15:55 +03:00
101 lines
4.8 KiB
Haskell
101 lines
4.8 KiB
Haskell
{-# LANGUAGE DataKinds, FlexibleContexts, GeneralizedNewtypeDeriving #-}
|
|
module CorpusSpec where
|
|
|
|
import Category
|
|
import Control.DeepSeq
|
|
import Data.Functor.Both
|
|
import Data.List (union)
|
|
import Data.Record
|
|
import qualified Data.Text as T
|
|
import Diffing
|
|
import GHC.Show (Show(..))
|
|
import Info
|
|
import Prologue hiding (fst, snd, lookup)
|
|
import Renderer
|
|
import qualified Renderer.JSON as J
|
|
import qualified Renderer.Patch as P
|
|
import qualified Renderer.Split as Split
|
|
import qualified Source as S
|
|
import System.FilePath
|
|
import System.FilePath.Glob
|
|
import Test.Hspec (Spec, describe, it, SpecWith, runIO, parallel)
|
|
import Test.Hspec.Expectations.Pretty
|
|
import Unsafe (unsafeFromJust)
|
|
|
|
spec :: Spec
|
|
spec = parallel $ do
|
|
describe "crashers crash" . runTestsIn "test/crashers-todo/" $ \ a b ->
|
|
a `deepseq` pure (a == b) `shouldThrow` anyException
|
|
describe "crashers should not crash" $ runTestsIn "test/crashers/" shouldBe
|
|
describe "todos are incorrect" $ runTestsIn "test/diffs-todo/" shouldNotBe
|
|
describe "should produce the correct diff" $ runTestsIn "test/diffs/" shouldBe
|
|
|
|
it "lists example fixtures" $ do
|
|
examples "test/crashers/" `shouldNotReturn` []
|
|
examples "test/diffs/" `shouldNotReturn` []
|
|
|
|
where
|
|
runTestsIn :: FilePath -> (Maybe Verbatim -> Maybe Verbatim -> Expectation) -> SpecWith ()
|
|
runTestsIn directory matcher = do
|
|
paths <- runIO $ examples directory
|
|
let tests = correctTests =<< paths
|
|
traverse_ (\ (formatName, renderer, paths, output) ->
|
|
it (maybe "/dev/null" normalizeName (uncurry (<|>) (runJoin paths)) ++ " (" ++ formatName ++ ")") $ testDiff renderer paths output matcher) tests
|
|
|
|
correctTests paths@(_, _, Nothing, Nothing, Nothing) = testsForPaths paths
|
|
correctTests paths = filter (\(_, _, _, output) -> isJust output) $ testsForPaths paths
|
|
testsForPaths (aPath, bPath, json, patch, split) = [ ("json", J.json, paths, json), ("patch", P.patch, paths, patch), ("split", Split.split, paths, split) ]
|
|
where paths = both aPath bPath
|
|
|
|
-- | Return all the examples from the given directory. Examples are expected to
|
|
-- | have the form "foo.A.js", "foo.B.js", "foo.patch.js". Diffs are not
|
|
-- | required as the test may be verifying that the inputs don't crash.
|
|
examples :: FilePath -> IO [(Maybe FilePath, Maybe FilePath, Maybe FilePath, Maybe FilePath, Maybe FilePath)]
|
|
examples directory = do
|
|
as <- globFor "*.A.*"
|
|
bs <- globFor "*.B.*"
|
|
jsons <- globFor "*.json.*"
|
|
patches <- globFor "*.patch.*"
|
|
splits <- globFor "*.split.*"
|
|
|
|
let lookupName name = (lookupNormalized name as, lookupNormalized name bs, lookupNormalized name jsons, lookupNormalized name patches, lookupNormalized name splits)
|
|
|
|
let keys = (normalizeName <$> as) `union` (normalizeName <$> bs)
|
|
pure $ lookupName <$> keys
|
|
where
|
|
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.js".
|
|
normalizeName :: FilePath -> FilePath
|
|
normalizeName path = addExtension (dropExtension $ dropExtension path) (takeExtension path)
|
|
|
|
-- | Given file paths for A, B, and, optionally, a diff, return whether diffing
|
|
-- | the files will produce the diff. If no diff is provided, then the result
|
|
-- | is true, but the diff will still be calculated.
|
|
testDiff :: Renderer (Record '[Cost, Range, Category, SourceSpan]) -> Both (Maybe FilePath) -> Maybe FilePath -> (Maybe Verbatim -> Maybe Verbatim -> Expectation) -> Expectation
|
|
testDiff renderer paths diff matcher = do
|
|
sources <- traverse (traverse readAndTranscodeFile) paths
|
|
actual <- fmap Verbatim <$> traverse ((pure . concatOutputs . pure) <=< diffFiles' sources) parser
|
|
case diff of
|
|
Nothing -> matcher actual actual
|
|
Just file -> do
|
|
expected <- Verbatim <$> readFile file
|
|
matcher actual (Just expected)
|
|
where diffFiles' sources parser = diffFiles parser renderer (sourceBlobs sources paths)
|
|
parser = parserForFilepath <$> runBothWith (<|>) paths
|
|
sourceBlobs :: Both (Maybe (S.Source Char)) -> Both (Maybe FilePath) -> Both S.SourceBlob
|
|
sourceBlobs sources paths = case runJoin paths of
|
|
(Nothing, Nothing) -> Join (S.emptySourceBlob "", S.emptySourceBlob "")
|
|
(Nothing, Just filepath) -> Join (S.emptySourceBlob "", S.sourceBlob (unsafeFromJust $ snd sources) filepath)
|
|
(Just filepath, Nothing) -> Join (S.sourceBlob (unsafeFromJust $ fst sources) filepath, S.emptySourceBlob "")
|
|
(Just path1, Just path2) -> Join (S.sourceBlob (unsafeFromJust $ fst sources) path1, S.sourceBlob (unsafeFromJust $ snd sources) path2)
|
|
|
|
-- | A wrapper around `Text` with a more readable `Show` instance.
|
|
newtype Verbatim = Verbatim Text
|
|
deriving (Eq, NFData)
|
|
|
|
instance Show Verbatim where
|
|
showsPrec _ (Verbatim text) = ('\n':) . (T.unpack text ++)
|