semantic/test/Semantic/Spec.hs

{-# LANGUAGE OverloadedStrings #-}
module Semantic.Spec (spec) where

import           Analysis.File
import           Control.Carrier.Reader
import           Control.Exception (fromException)
import qualified Data.Blob as Blob
import           SpecHelpers
import qualified System.Path as Path

import Semantic.Api hiding (Blob)

 -- we need some lenses here, oof
setBlobLanguage :: Language -> Blob -> Blob
setBlobLanguage lang b = b { blobFile = (blobFile b) { fileBody = lang }}

spec :: Spec
spec = do
  describe "parseBlob" $ do
    let methodsBlob = Blob.fromSource (Path.relFile "methods.rb") Ruby "def foo\nend\n"

    it "returns error if given an unknown language (json)" $ do
      output <- fmap runBuilder . runTaskOrDie . runReader defaultLanguageModes $ parseTermBuilder TermJSONTree [ setBlobLanguage Unknown methodsBlob ]
      output `shouldBe` "{\"trees\":[{\"path\":\"methods.rb\",\"error\":\"NoLanguageForBlob \\\"methods.rb\\\"\",\"language\":\"Unknown\"}]}\n"

    it "throws if given an unknown language for sexpression output" $ do
      res <- runTaskWithOptions defaultOptions (runReader defaultLanguageModes (runParseWithConfig (parseTermBuilder TermSExpression [setBlobLanguage Unknown methodsBlob])))
      case res of
        Left exc   -> fromException exc `shouldBe` Just (NoLanguageForBlob "methods.rb")
        Right _bad -> fail "Expected parseTermBuilder to fail for an unknown language"

    it "renders with the specified renderer" $ do
      output <- fmap runBuilder . runTaskOrDie . runReader defaultLanguageModes $ parseTermBuilder TermSExpression [methodsBlob]
      output `shouldBe` "(Statements\n  (Method\n    (Empty)\n    (Identifier)\n    (Statements)))\n"