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mirror of https://github.com/github/semantic.git synced 2024-12-22 06:11:49 +03:00
semantic/test/IntegrationFormatSpec.hs
2016-11-03 16:02:56 -07:00

62 lines
3.0 KiB
Haskell

module IntegrationFormatSpec where
import Arguments
import Data.Aeson
import Data.List.Split
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 ExpectedResult -> Either String ExpectedResult -> Expectation) -> Expectation
assertDiffSummary JSONTestCase {..} format matcher = do
diffs <- fetchDiffs $ args gitDir (Prelude.head shas') (Prelude.last shas') filePaths format
result <- catchException . pure . pure . concatOutputs $ diffs
let actual = eitherDecode . DL.fromStrict . encodeUtf8 . fromJust . listToMaybe $ result
matcher actual (Right expectedResult)
where shas' = splitOn ".." shas
runTestsIn :: [FilePath] -> Format -> (Either String ExpectedResult -> Either String ExpectedResult -> 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 :: Maybe String -> Spec
spec maybeLanguage = parallel $ do
summaryFormatFiles <- runIO $ testCaseFiles maybeLanguage "test/corpus/diff-summaries"
summaryFormatToDoFiles <- runIO $ testCaseFiles maybeLanguage "test/corpus/diff-summaries-todo"
summaryFormatCrasherFiles <- runIO $ testCaseFiles maybeLanguage "test/corpus/diff-summary-crashers"
jsonFormatFiles <- runIO $ testCaseFiles maybeLanguage "test/corpus/json"
describe "Summary format" $ runTestsIn summaryFormatFiles Summary shouldBe
describe "Summary format todo" $ runTestsIn summaryFormatToDoFiles Summary shouldNotBe
describe "Summary format crashers todo" $ runTestsIn summaryFormatCrasherFiles Summary shouldBe
describe "JSON format" $ runTestsIn jsonFormatFiles JSON shouldBe
where
testCaseFiles :: Maybe String -> String -> IO [FilePath]
testCaseFiles maybeLanguage dir = case maybeLanguage of
Just language -> globDir1 (compile (language <> "/*.json")) dir
Nothing -> globDir1 (compile "*/*.json") dir