mirror of
https://github.com/github/semantic.git
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157 lines
7.5 KiB
Haskell
157 lines
7.5 KiB
Haskell
module CommandSpec where
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import Command
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import Data.Aeson
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import Data.Aeson.Types hiding (parse)
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import Data.Functor.Both as Both
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import Data.Map
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import Data.Maybe
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import Data.Record
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import Data.String
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import Info (DefaultFields, HasDefaultFields)
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import Language
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import Prologue hiding (readFile, toList)
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import qualified Data.Vector as V
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import qualified Git.Types as Git
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import Renderer hiding (errors)
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import Source
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import Semantic
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import Term
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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 <- runCommand (readFile "semantic-diff.cabal" Nothing)
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path blob `shouldBe` "semantic-diff.cabal"
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it "returns a nullBlob for absent files" $ do
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blob <- runCommand (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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it "returns blobs for valid JSON encoded diff input" $ do
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h <- openFile "test/fixtures/input/diff.json" ReadMode
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blobs <- runCommand (readBlobPairsFromHandle h)
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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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blobs `shouldBe` [both a b]
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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 <- runCommand (readBlobPairsFromHandle h)
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let a = emptySourceBlob "test.kt"
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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 a b]
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it "detects language based on filepath for empty language" $ do
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h <- openFile "test/fixtures/input/diff-empty-language.json" ReadMode
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blobs <- runCommand (readBlobPairsFromHandle h)
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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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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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runCommand (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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runCommand (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 <- runCommand (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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runCommand (readBlobsFromHandle h) `shouldThrow` (== ExitFailure 1)
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describe "readFilesAtSHA" $ do
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it "returns blobs for the specified paths" $ do
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blobs <- runCommand (readFilesAtSHA repoPath [] [("methods.rb", Just Ruby)] (Both.snd (shas methodsFixture)))
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blobs `shouldBe` [methodsBlob]
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it "returns emptySourceBlob if path doesn't exist at sha" $ do
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blobs <- runCommand (readFilesAtSHA repoPath [] [("methods.rb", Just Ruby)] (Both.fst (shas methodsFixture)))
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nonExistentBlob <$> blobs `shouldBe` [True]
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describe "readFilesAtSHAs" $ do
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it "returns blobs for the specified paths" $ do
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blobs <- runCommand (readFilesAtSHAs repoPath [] [("methods.rb", Just Ruby)] (shas methodsFixture))
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blobs `shouldBe` expectedBlobs methodsFixture
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it "returns blobs for all paths if none are specified" $ do
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blobs <- runCommand (readFilesAtSHAs repoPath [] [] (shas methodsFixture))
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blobs `shouldBe` expectedBlobs methodsFixture
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it "returns entries for missing paths" $ do
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blobs <- runCommand (readFilesAtSHAs repoPath [] [("this file should not exist", Nothing)] (shas methodsFixture))
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let b = emptySourceBlob "this file should not exist"
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blobs `shouldBe` [both b b]
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describe "fetchDiffs" $ do
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it "generates toc summaries for two shas" $ do
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(errors, summaries) <- fetchDiffsOutput termText "test/fixtures/git/examples/all-languages.git" "dfac8fd681b0749af137aebf3203e77a06fbafc2" "2e4144eb8c44f007463ec34cb66353f0041161fe" [("methods.rb", Just Ruby)] declarationDecorator Renderer.ToCRenderer
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errors `shouldBe` Just (fromList [])
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summaries `shouldBe` Just (fromList [("methods.rb", ["foo"])])
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it "generates toc summaries for two shas inferring paths" $ do
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(errors, summaries) <- fetchDiffsOutput termText "test/fixtures/git/examples/all-languages.git" "dfac8fd681b0749af137aebf3203e77a06fbafc2" "2e4144eb8c44f007463ec34cb66353f0041161fe" [] declarationDecorator Renderer.ToCRenderer
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errors `shouldBe` Just (fromList [])
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summaries `shouldBe` Just (fromList [("methods.rb", ["foo"])])
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it "errors with bad shas" $
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fetchDiffsOutput termText "test/fixtures/git/examples/all-languages.git" "dead" "beef" [("methods.rb", Just Ruby)] declarationDecorator Renderer.ToCRenderer
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`shouldThrow` (== Git.BackendError "Could not lookup dead: Object not found - no match for prefix (dead000000000000000000000000000000000000)")
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it "errors with bad repo path" $
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fetchDiffsOutput termText "test/fixtures/git/examples/not-a-repo.git" "dfac8fd681b0749af137aebf3203e77a06fbafc2" "2e4144eb8c44f007463ec34cb66353f0041161fe" [("methods.rb", Just Ruby)] declarationDecorator Renderer.ToCRenderer
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`shouldThrow` errorCall "Could not open repository \"test/fixtures/git/examples/not-a-repo.git\""
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where repoPath = "test/fixtures/git/examples/all-languages.git"
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methodsFixture = Fixture
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(both "dfac8fd681b0749af137aebf3203e77a06fbafc2" "2e4144eb8c44f007463ec34cb66353f0041161fe")
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[ both (emptySourceBlob "methods.rb") methodsBlob ]
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methodsBlob = SourceBlob (Source "def foo\nend\n") "ff7bbbe9495f61d9e1e58c597502d152bab1761e" "methods.rb" (Just defaultPlainBlob) (Just Ruby)
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data Fixture = Fixture { shas :: Both String, expectedBlobs :: [Both SourceBlob] }
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fetchDiffsOutput :: (HasDefaultFields fields, NFData (Record fields)) => (Object -> Text) -> FilePath -> String -> String -> [(FilePath, Maybe Language)] -> (Source -> SyntaxTerm Text DefaultFields -> SyntaxTerm Text fields) -> DiffRenderer fields Summaries -> IO (Maybe (Map Text Value), Maybe (Map Text [Text]))
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fetchDiffsOutput f gitDir sha1 sha2 filePaths decorator renderer = do
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blobs <- runCommand $ readFilesAtSHAs gitDir [] filePaths (both sha1 sha2)
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results <- Semantic.diffBlobPairs decorator renderer blobs
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let json = fromJust (decode (toS results))
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pure (errors json, summaries f json)
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-- Diff Summaries payloads look like this:
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-- {
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-- "changes": { "methods.rb": [{ "span":{"insert":{"start":[1,1],"end":[2,4]}}, "summary":"Added the 'foo()' method" }] },
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-- "errors":{}
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-- }
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-- TOC Summaries payloads look like this:
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-- {
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-- "changes": { "methods.rb": [{ "span":{"start":[1,1],"end":[2,4]}, "category":"Method", "term":"foo", "changeType":"added" }]
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-- },
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-- "errors":{}
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-- }
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summaries :: (Object -> Text) -> Object -> Maybe (Map Text [Text])
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summaries f = parseMaybe $ \o -> do
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changes <- o .: "changes" :: Parser (Map Text (V.Vector Object))
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xs <- for (toList changes) $ \(path, s) -> do
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let ys = fmap f s
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pure (path, V.toList ys)
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pure $ fromList xs
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termText :: Object -> Text
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termText o = fromMaybe (panic "key 'term' not found") $
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parseMaybe (.: "term") o
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errors :: Object -> Maybe (Map Text Value)
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errors = parseMaybe (.: "errors")
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