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mirror of https://github.com/github/semantic.git synced 2024-12-18 20:31:55 +03:00
semantic/test/SemanticGitDiffSpec.hs

54 lines
2.6 KiB
Haskell

module SemanticGitDiffSpec where
import Arguments
import Data.Aeson
import Data.Map.Strict as Map
import Control.Exception
import qualified Data.ByteString.Lazy as DL
import JSONTestCase
import Test.Hspec (Spec, describe, it, SpecWith, runIO, parallel)
import Prelude
import Prologue
import Renderer
import SemanticDiff
import System.FilePath.Glob
import Data.Maybe (fromJust)
import Test.Hspec.Expectations.Pretty
catchException :: IO [Text] -> IO [Text]
catchException = handle errorHandler
where errorHandler :: (SomeException -> IO [Text])
errorHandler exception = return [toS . encode $ ["Crashed: " <> Prologue.show exception :: Text]]
assertDiffSummary :: JSONTestCase -> Format -> (Either String (Map Text (Map Text [Value])) -> Either String (Map Text (Map Text [Value])) -> Expectation) -> Expectation
assertDiffSummary JSONTestCase {..} format matcher = do
diffs <- fetchDiffs $ args gitDir sha1 sha2 filePaths format
result <- catchException . pure . pure . concatOutputs $ diffs
let actual = eitherDecode . DL.fromStrict . encodeUtf8 . fromJust $ listToMaybe result
matcher actual (Right expectedResult)
runTestsIn :: [FilePath] -> Format -> (Either String (Map Text (Map Text [Value])) -> Either String (Map Text (Map Text [Value])) -> Expectation) -> SpecWith ()
runTestsIn filePaths format matcher = do
contents <- runIO $ traverse DL.readFile filePaths
let filePathContents = zip filePaths contents
let jsonContents = (\(filePath, content) -> (filePath, eitherDecode content)) <$> filePathContents :: [(FilePath, Either String [JSONTestCase])]
traverse_ handleJSONTestCase jsonContents
where handleJSONTestCase :: (FilePath, Either String [JSONTestCase]) -> SpecWith ()
handleJSONTestCase (filePath, eitherJSONTestCase) =
case eitherJSONTestCase of
Left err -> it ("An error occurred " <> err <> " (" <> filePath <> ")") $ True `shouldBe` False
Right testCases -> traverse_ (\testCase -> it (testCaseDescription testCase) $ assertDiffSummary testCase format matcher) testCases
spec :: Spec
spec = parallel $ do
diffSummaryFiles <- runIO $ testCaseFiles "test/corpus/diff-summaries"
diffSummaryToDoFiles <- runIO $ testCaseFiles "test/corpus/diff-summaries-todo"
diffSummaryCrasherFiles <- runIO $ testCaseFiles "test/corpus/diff-summary-crashers"
describe "diff summaries" $ runTestsIn diffSummaryFiles Summary shouldBe
describe "diff summaries todo" $ runTestsIn diffSummaryToDoFiles Summary shouldNotBe
describe "diff summaries crashers todo" $ runTestsIn diffSummaryCrasherFiles Summary shouldBe
where testCaseFiles :: String -> IO [FilePath]
testCaseFiles = globDir1 (compile "*/*.json")