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mirror of https://github.com/github/semantic.git synced 2024-12-18 20:31:55 +03:00
semantic/test/CommandSpec.hs
2017-07-28 14:37:02 -04:00

85 lines
3.2 KiB
Haskell

module CommandSpec where
import Files
import Data.Blob
import Data.Functor.Both as Both
import Data.Maybe
import Data.String
import Language
import Prelude hiding (readFile)
import System.Exit (ExitCode(..))
import System.IO (IOMode(..), openFile)
import Test.Hspec hiding (shouldBe, shouldNotBe, shouldThrow, errorCall)
import Test.Hspec.Expectations.Pretty
spec :: Spec
spec = parallel $ do
describe "readFile" $ do
it "returns a blob for extant files" $ do
blob <- readFile "semantic-diff.cabal" Nothing
blobPath blob `shouldBe` "semantic-diff.cabal"
it "returns a nullBlob for absent files" $ do
blob <- readFile "this file should not exist" Nothing
nullBlob blob `shouldBe` True
describe "readBlobPairsFromHandle" $ do
let a = sourceBlob "method.rb" (Just Ruby) "def foo; end"
let b = sourceBlob "method.rb" (Just Ruby) "def bar(x); end"
it "returns blobs for valid JSON encoded diff input" $ do
blobs <- blobsFromFilePath "test/fixtures/input/diff.json"
blobs `shouldBe` [both a b]
it "returns blobs when there's no before" $ do
blobs <- blobsFromFilePath "test/fixtures/input/diff-no-before.json"
blobs `shouldBe` [both (emptyBlob "method.rb") b]
it "returns blobs when there's null before" $ do
blobs <- blobsFromFilePath "test/fixtures/input/diff-null-before.json"
blobs `shouldBe` [both (emptyBlob "method.rb") b]
it "returns blobs when there's no after" $ do
blobs <- blobsFromFilePath "test/fixtures/input/diff-no-after.json"
blobs `shouldBe` [both a (emptyBlob "method.rb")]
it "returns blobs when there's null after" $ do
blobs <- blobsFromFilePath "test/fixtures/input/diff-null-after.json"
blobs `shouldBe` [both a (emptyBlob "method.rb")]
it "returns blobs for unsupported language" $ do
h <- openFile "test/fixtures/input/diff-unsupported-language.json" ReadMode
blobs <- readBlobPairsFromHandle h
let b' = sourceBlob "test.kt" Nothing "fun main(args: Array<String>) {\nprintln(\"hi\")\n}\n"
blobs `shouldBe` [both (emptyBlob "test.kt") b']
it "detects language based on filepath for empty language" $ do
blobs <- blobsFromFilePath "test/fixtures/input/diff-empty-language.json"
blobs `shouldBe` [both a b]
it "throws on blank input" $ do
h <- openFile "test/fixtures/input/blank.json" ReadMode
readBlobPairsFromHandle h `shouldThrow` (== ExitFailure 1)
it "throws if language field not given" $ do
h <- openFile "test/fixtures/input/diff-no-language.json" ReadMode
readBlobsFromHandle h `shouldThrow` (== ExitFailure 1)
describe "readBlobsFromHandle" $ do
it "returns blobs for valid JSON encoded parse input" $ do
h <- openFile "test/fixtures/input/parse.json" ReadMode
blobs <- readBlobsFromHandle h
let a = sourceBlob "method.rb" (Just Ruby) "def foo; end"
blobs `shouldBe` [a]
it "throws on blank input" $ do
h <- openFile "test/fixtures/input/blank.json" ReadMode
readBlobsFromHandle h `shouldThrow` (== ExitFailure 1)
where blobsFromFilePath path = do
h <- openFile path ReadMode
blobs <- readBlobPairsFromHandle h
pure blobs
data Fixture = Fixture { shas :: Both String, expectedBlobs :: [Both Blob] }