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