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85 lines
3.1 KiB
Haskell
85 lines
3.1 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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module Semantic.IO.Spec (spec) where
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import Prelude hiding (readFile)
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import Data.Blob
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import Data.Handle
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import SpecHelpers
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spec :: Spec
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spec = 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 <- readBlobFromFile (File "semantic.cabal" Unknown)
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blobPath blob `shouldBe` "semantic.cabal"
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it "throws for absent files" $ do
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readBlobFromFile (File "this file should not exist" Unknown) `shouldThrow` anyIOException
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describe "readBlobPairsFromHandle" $ do
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let a = sourceBlob "method.rb" Ruby "def foo; end"
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let b = sourceBlob "method.rb" 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` [Compare 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` [Insert 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` [Insert 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` [Delete 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` [Delete a]
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it "returns blobs for unsupported language" $ do
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h <- openFileForReading "test/fixtures/cli/diff-unsupported-language.json"
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blobs <- readBlobPairsFromHandle h
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let b' = sourceBlob "test.kt" Unknown "fun main(args: Array<String>) {\nprintln(\"hi\")\n}\n"
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blobs `shouldBe` [Insert 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` [Compare a b]
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it "throws on blank input" $ do
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h <- openFileForReading "test/fixtures/cli/blank.json"
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readBlobPairsFromHandle h `shouldThrow` jsonException
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it "throws if language field not given" $ do
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h <- openFileForReading "test/fixtures/cli/diff-no-language.json"
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readBlobsFromHandle h `shouldThrow` jsonException
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it "throws if null on before and after" $ do
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h <- openFileForReading "test/fixtures/cli/diff-null-both-sides.json"
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readBlobPairsFromHandle h `shouldThrow` jsonException
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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 <- openFileForReading "test/fixtures/cli/parse.json"
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blobs <- readBlobsFromHandle h
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let a = sourceBlob "method.rb" 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 <- openFileForReading "test/fixtures/cli/blank.json"
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readBlobsFromHandle h `shouldThrow` jsonException
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where blobsFromFilePath path = do
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h <- openFileForReading path
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blobs <- readBlobPairsFromHandle h
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pure blobs
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jsonException :: Selector InvalidJSONException
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jsonException = const True
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