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semantic/test/Semantic/Spec.hs
2019-06-19 12:58:40 -04:00

49 lines
2.3 KiB
Haskell

module Semantic.Spec (spec) where
import Control.Exception (fromException)
import SpecHelpers
import Data.Blob (NoLanguageForBlob (..))
import Semantic.Api hiding (Blob)
import Semantic.Git
-- we need some lenses here, oof
setBlobLanguage :: Language -> Blob -> Blob
setBlobLanguage lang b = b { blobFile = (blobFile b) { fileLanguage = lang }}
spec :: Spec
spec = parallel $ do
describe "parseBlob" $ do
it "returns error if given an unknown language (json)" $ do
output <- fmap runBuilder . runTaskOrDie $ 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 (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 $ parseTermBuilder TermSExpression [methodsBlob]
output `shouldBe` "(Statements\n (Method\n (Empty)\n (Identifier)\n (Statements)))\n"
describe "git ls-tree parsing" $ do
it "parses a git output string" $ do
let input = "100644 tree abcdef\t/this/is/the/path"
let expected = Right $ TreeEntry NormalMode TreeObject (OID "abcdef") "/this/is/the/path"
parseEntry input `shouldBe` expected
it "allows whitespace in the path" $ do
let input = "100644 tree 12345\t/this\n/is\t/the /path\r"
let expected = Right $ TreeEntry NormalMode TreeObject (OID "12345") "/this\n/is\t/the /path\r"
parseEntry input `shouldBe` expected
it "parses many outputs separated by \\NUL" $ do
let input = "100644 tree abcdef\t/this/is/the/path\NUL120000 blob 17776\t/dev/urandom\NUL\n"
let expected = [ TreeEntry NormalMode TreeObject (OID "abcdef") "/this/is/the/path", TreeEntry SymlinkMode BlobObject (OID "17776") "/dev/urandom"]
parseEntries input `shouldBe` expected
where
methodsBlob = makeBlob "def foo\nend\n" "methods.rb" Ruby mempty