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85 lines
3.2 KiB
Haskell
85 lines
3.2 KiB
Haskell
module CommandSpec where
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import Files
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import Data.Blob
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import Data.Functor.Both as Both
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import Data.Maybe
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import Data.String
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import Language
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import Prelude hiding (readFile)
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import System.Exit (ExitCode(..))
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import System.IO (IOMode(..), openFile)
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import Test.Hspec hiding (shouldBe, shouldNotBe, shouldThrow, errorCall)
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import Test.Hspec.Expectations.Pretty
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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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blob <- readFile "semantic-diff.cabal" Nothing
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blobPath blob `shouldBe` "semantic-diff.cabal"
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it "returns a nullBlob for absent files" $ do
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blob <- readFile "this file should not exist" Nothing
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nullBlob blob `shouldBe` True
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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/input/diff.json"
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blobs `shouldBe` [both a b]
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it "returns blobs when there's no before" $ do
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blobs <- blobsFromFilePath "test/fixtures/input/diff-no-before.json"
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blobs `shouldBe` [both (emptyBlob "method.rb") b]
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it "returns blobs when there's null before" $ do
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blobs <- blobsFromFilePath "test/fixtures/input/diff-null-before.json"
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blobs `shouldBe` [both (emptyBlob "method.rb") b]
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it "returns blobs when there's no after" $ do
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blobs <- blobsFromFilePath "test/fixtures/input/diff-no-after.json"
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blobs `shouldBe` [both a (emptyBlob "method.rb")]
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it "returns blobs when there's null after" $ do
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blobs <- blobsFromFilePath "test/fixtures/input/diff-null-after.json"
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blobs `shouldBe` [both a (emptyBlob "method.rb")]
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it "returns blobs for unsupported language" $ do
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h <- openFile "test/fixtures/input/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` [both (emptyBlob "test.kt") b']
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it "detects language based on filepath for empty language" $ do
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blobs <- blobsFromFilePath "test/fixtures/input/diff-empty-language.json"
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blobs `shouldBe` [both a b]
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it "throws on blank input" $ do
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h <- openFile "test/fixtures/input/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/input/diff-no-language.json" ReadMode
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readBlobsFromHandle 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/input/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/input/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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data Fixture = Fixture { shas :: Both String, expectedBlobs :: [Both Blob] }
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