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82 lines
3.1 KiB
Haskell
82 lines
3.1 KiB
Haskell
module Semantic.IO.Spec (spec) where
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import Prelude hiding (readFile)
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import Semantic.IO
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import System.Exit (ExitCode(..))
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import System.IO (IOMode(..), openFile)
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import SpecHelpers
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spec :: Spec
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spec = parallel $ do
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describe "readFile" $ do
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it "returns a blob for extant files" $ do
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Just blob <- readFile (File "semantic.cabal" Nothing)
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blobPath blob `shouldBe` "semantic.cabal"
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it "throws for absent files" $ do
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readFile (File "this file should not exist" Nothing) `shouldThrow` anyIOException
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describe "readBlobPairsFromHandle" $ do
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let a = sourceBlob "method.rb" (Just Ruby) "def foo; end"
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let b = sourceBlob "method.rb" (Just Ruby) "def bar(x); end"
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it "returns blobs for valid JSON encoded diff input" $ do
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blobs <- blobsFromFilePath "test/fixtures/cli/diff.json"
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blobs `shouldBe` [blobPairDiffing a b]
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it "returns blobs when there's no before" $ do
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blobs <- blobsFromFilePath "test/fixtures/cli/diff-no-before.json"
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blobs `shouldBe` [blobPairInserting b]
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it "returns blobs when there's null before" $ do
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blobs <- blobsFromFilePath "test/fixtures/cli/diff-null-before.json"
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blobs `shouldBe` [blobPairInserting b]
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it "returns blobs when there's no after" $ do
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blobs <- blobsFromFilePath "test/fixtures/cli/diff-no-after.json"
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blobs `shouldBe` [blobPairDeleting a]
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it "returns blobs when there's null after" $ do
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blobs <- blobsFromFilePath "test/fixtures/cli/diff-null-after.json"
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blobs `shouldBe` [blobPairDeleting a]
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it "returns blobs for unsupported language" $ do
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h <- openFile "test/fixtures/cli/diff-unsupported-language.json" ReadMode
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blobs <- readBlobPairsFromHandle h
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let b' = sourceBlob "test.kt" Nothing "fun main(args: Array<String>) {\nprintln(\"hi\")\n}\n"
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blobs `shouldBe` [blobPairInserting b']
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it "detects language based on filepath for empty language" $ do
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blobs <- blobsFromFilePath "test/fixtures/cli/diff-empty-language.json"
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blobs `shouldBe` [blobPairDiffing a b]
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it "throws on blank input" $ do
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h <- openFile "test/fixtures/cli/blank.json" ReadMode
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readBlobPairsFromHandle h `shouldThrow` (== ExitFailure 1)
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it "throws if language field not given" $ do
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h <- openFile "test/fixtures/cli/diff-no-language.json" ReadMode
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readBlobsFromHandle h `shouldThrow` (== ExitFailure 1)
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it "throws if null on before and after" $ do
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h <- openFile "test/fixtures/cli/diff-null-both-sides.json" ReadMode
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readBlobPairsFromHandle h `shouldThrow` (== ExitFailure 1)
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describe "readBlobsFromHandle" $ do
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it "returns blobs for valid JSON encoded parse input" $ do
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h <- openFile "test/fixtures/cli/parse.json" ReadMode
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blobs <- readBlobsFromHandle h
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let a = sourceBlob "method.rb" (Just Ruby) "def foo; end"
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blobs `shouldBe` [a]
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it "throws on blank input" $ do
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h <- openFile "test/fixtures/cli/blank.json" ReadMode
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readBlobsFromHandle h `shouldThrow` (== ExitFailure 1)
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where blobsFromFilePath path = do
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h <- openFile path ReadMode
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blobs <- readBlobPairsFromHandle h
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pure blobs
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