module Semantic.Spec (spec) where

import Data.Diff
import Data.Patch
import Semantic.Parse
import System.Exit

import SpecHelpers


spec :: Spec
spec = parallel $ do
  describe "parseBlob" $ do
    it "returns error if given an unknown language (json)" $ do
      output <- fmap runBuilder . runTask $ runParse JSONTermRenderer [ methodsBlob { blobLanguage = Unknown } ]
      output `shouldBe` "{\"trees\":[{\"error\":{\"path\":\"methods.rb\",\"language\":\"Unknown\",\"message\":\"NoLanguageForBlob \\\"methods.rb\\\"\"}}]}\n"

    it "throws if given an unknown language for sexpression output" $ do
      runTask (runParse SExpressionTermRenderer [methodsBlob { blobLanguage = Unknown }]) `shouldThrow` (== ExitFailure 1)

    it "renders with the specified renderer" $ do
      output <- fmap runBuilder . runTask $ runParse SExpressionTermRenderer [methodsBlob]
      output `shouldBe` "(Statements\n  (Method\n    (Empty)\n    (Identifier)\n    (Statements)))\n"
  where
    methodsBlob = Blob "def foo\nend\n" "methods.rb" Ruby