mirror of
https://github.com/github/semantic.git
synced 2024-11-24 08:54:07 +03:00
226 lines
12 KiB
Haskell
226 lines
12 KiB
Haskell
{-# OPTIONS_GHC -fno-warn-orphans #-}
|
|
{-# LANGUAGE DataKinds, TypeOperators #-}
|
|
module TOCSpec where
|
|
|
|
import Data.Aeson
|
|
import Category as C
|
|
import Data.Functor.Both
|
|
import Data.Functor.Listable
|
|
import Data.Record
|
|
import Data.Text.Listable
|
|
import Data.These
|
|
import Diff
|
|
import Info
|
|
import Interpreter
|
|
import Language
|
|
import Patch
|
|
import Prologue hiding (fst, snd, readFile)
|
|
import Renderer
|
|
import Renderer.TOC
|
|
import RWS
|
|
import Semantic
|
|
import Semantic.Task
|
|
import Source
|
|
import SpecHelpers
|
|
import Syntax as S
|
|
import Term
|
|
import Test.Hspec (Spec, describe, it, parallel)
|
|
import Test.Hspec.Expectations.Pretty
|
|
import Test.Hspec.LeanCheck
|
|
import Test.LeanCheck
|
|
|
|
spec :: Spec
|
|
spec = parallel $ do
|
|
describe "tableOfContentsBy" $ do
|
|
prop "drops all nodes with the constant Nothing function" $
|
|
\ diff -> tableOfContentsBy (const Nothing :: a -> Maybe ()) (unListableDiff diff :: Diff (Syntax ()) ()) `shouldBe` []
|
|
|
|
let diffSize = max 1 . sum . fmap (const 1)
|
|
let lastValue a = fromMaybe (extract a) (getLast (foldMap (Last . Just) a))
|
|
prop "includes all nodes with a constant Just function" $
|
|
\ diff -> let diff' = (unListableDiff diff :: Diff (Syntax ()) ()) in entryPayload <$> tableOfContentsBy (const (Just ())) diff' `shouldBe` replicate (diffSize diff') ()
|
|
|
|
prop "produces an unchanged entry for identity diffs" $
|
|
\ term -> let term' = (unListableF term :: Term (Syntax ()) (Record '[Category])) in tableOfContentsBy (Just . headF) (diffTerms (pure term')) `shouldBe` [Unchanged (lastValue term')]
|
|
|
|
prop "produces inserted/deleted/replaced entries for relevant nodes within patches" $
|
|
\ patch -> let patch' = (unListableF <$> patch :: Patch (Term (Syntax ()) Int)) in tableOfContentsBy (Just . headF) (pure patch') `shouldBe` these (pure . Deleted) (pure . Inserted) ((<>) `on` pure . Replaced) (unPatch (lastValue <$> patch'))
|
|
|
|
prop "produces changed entries for relevant nodes containing irrelevant patches" $
|
|
\ diff -> let diff' = fmap (1 <$) <$> mapAnnotations (const (0 :: Int)) (wrap (pure 0 :< Indexed [unListableDiff diff :: Diff (Syntax ()) Int])) in
|
|
tableOfContentsBy (\ (n :< _) -> if n == 0 then Just n else Nothing) diff' `shouldBe`
|
|
if Prologue.null diff' then [Unchanged 0]
|
|
else replicate (Prologue.length diff') (Changed 0)
|
|
|
|
describe "diffTOC" $ do
|
|
it "blank if there are no methods" $
|
|
diffTOC blankDiff `shouldBe` [ ]
|
|
|
|
it "summarizes changed methods" $ do
|
|
sourceBlobs <- blobsForPaths (both "ruby/methods.A.rb" "ruby/methods.B.rb")
|
|
Just diff <- runTask (diffBlobPair IdentityDiffRenderer sourceBlobs)
|
|
diffTOC diff `shouldBe`
|
|
[ JSONSummary "Method" "self.foo" (sourceSpanBetween (1, 1) (2, 4)) "added"
|
|
, JSONSummary "Method" "bar" (sourceSpanBetween (4, 1) (6, 4)) "modified"
|
|
, JSONSummary "Method" "baz" (sourceSpanBetween (4, 1) (5, 4)) "removed" ]
|
|
|
|
it "dedupes changes in same parent method" $ do
|
|
sourceBlobs <- blobsForPaths (both "javascript/duplicate-parent.A.js" "javascript/duplicate-parent.B.js")
|
|
Just diff <- runTask (diffBlobPair IdentityDiffRenderer sourceBlobs)
|
|
diffTOC diff `shouldBe`
|
|
[ JSONSummary "Function" "myFunction" (sourceSpanBetween (1, 1) (6, 2)) "modified" ]
|
|
|
|
it "dedupes similar methods" $ do
|
|
sourceBlobs <- blobsForPaths (both "javascript/erroneous-duplicate-method.A.js" "javascript/erroneous-duplicate-method.B.js")
|
|
Just diff <- runTask (diffBlobPair IdentityDiffRenderer sourceBlobs)
|
|
diffTOC diff `shouldBe`
|
|
[ JSONSummary "Function" "performHealthCheck" (sourceSpanBetween (8, 1) (29, 2)) "modified" ]
|
|
|
|
it "summarizes Go methods with receivers with special formatting" $ do
|
|
sourceBlobs <- blobsForPaths (both "go/method-with-receiver.A.go" "go/method-with-receiver.B.go")
|
|
Just diff <- runTask (diffBlobPair IdentityDiffRenderer sourceBlobs)
|
|
diffTOC diff `shouldBe`
|
|
[ JSONSummary "Method" "(*apiClient) CheckAuth" (sourceSpanBetween (3,1) (3,101)) "added" ]
|
|
|
|
it "summarizes Ruby methods that start with two identifiers" $ do
|
|
sourceBlobs <- blobsForPaths (both "ruby/method-starts-with-two-identifiers.A.rb" "ruby/method-starts-with-two-identifiers.B.rb")
|
|
Just diff <- runTask (diffBlobPair IdentityDiffRenderer sourceBlobs)
|
|
diffTOC diff `shouldBe`
|
|
[ JSONSummary "Method" "foo" (sourceSpanBetween (1, 1) (4, 4)) "modified" ]
|
|
|
|
it "handles unicode characters in file" $ do
|
|
sourceBlobs <- blobsForPaths (both "ruby/unicode.A.rb" "ruby/unicode.B.rb")
|
|
Just diff <- runTask (diffBlobPair IdentityDiffRenderer sourceBlobs)
|
|
diffTOC diff `shouldBe`
|
|
[ JSONSummary "Method" "foo" (sourceSpanBetween (6, 1) (7, 4)) "added" ]
|
|
|
|
prop "inserts of methods and functions are summarized" $
|
|
\name body ->
|
|
let diff = programWithInsert name (unListableF body)
|
|
in numTocSummaries diff `shouldBe` 1
|
|
|
|
prop "deletes of methods and functions are summarized" $
|
|
\name body ->
|
|
let diff = programWithDelete name (unListableF body)
|
|
in numTocSummaries diff `shouldBe` 1
|
|
|
|
prop "replacements of methods and functions are summarized" $
|
|
\name body ->
|
|
let diff = programWithReplace name (unListableF body)
|
|
in numTocSummaries diff `shouldBe` 1
|
|
|
|
prop "changes inside methods and functions are summarizied" . forAll (isMeaningfulTerm `filterT` tiers) $
|
|
\body ->
|
|
let diff = programWithChange (unListableF body)
|
|
in numTocSummaries diff `shouldBe` 1
|
|
|
|
prop "other changes don't summarize" . forAll ((not . isMethodOrFunction) `filterT` tiers) $
|
|
\body ->
|
|
let diff = programWithChangeOutsideFunction (unListableF body)
|
|
in numTocSummaries diff `shouldBe` 0
|
|
|
|
prop "equal terms produce identity diffs" $
|
|
\a -> let term = defaultFeatureVectorDecorator (Info.category . headF) (unListableF a :: Term') in
|
|
diffTOC (diffTerms (pure term)) `shouldBe` []
|
|
|
|
describe "JSONSummary" $ do
|
|
it "encodes modified summaries to JSON" $ do
|
|
let summary = JSONSummary "Method" "foo" (sourceSpanBetween (1, 1) (4, 4)) "modified"
|
|
encode summary `shouldBe` "{\"span\":{\"start\":[1,1],\"end\":[4,4]},\"category\":\"Method\",\"term\":\"foo\",\"changeType\":\"modified\"}"
|
|
|
|
it "encodes added summaries to JSON" $ do
|
|
let summary = JSONSummary "Method" "self.foo" (sourceSpanBetween (1, 1) (2, 4)) "added"
|
|
encode summary `shouldBe` "{\"span\":{\"start\":[1,1],\"end\":[2,4]},\"category\":\"Method\",\"term\":\"self.foo\",\"changeType\":\"added\"}"
|
|
|
|
describe "diff with ToCDiffRenderer" $ do
|
|
it "produces JSON output" $ do
|
|
blobs <- blobsForPaths (both "ruby/methods.A.rb" "ruby/methods.B.rb")
|
|
output <- runTask (diffBlobPair ToCDiffRenderer blobs)
|
|
toS output `shouldBe` ("{\"changes\":{\"test/fixtures/toc/ruby/methods.A.rb -> test/fixtures/toc/ruby/methods.B.rb\":[{\"span\":{\"start\":[1,1],\"end\":[2,4]},\"category\":\"Method\",\"term\":\"self.foo\",\"changeType\":\"added\"},{\"span\":{\"start\":[4,1],\"end\":[6,4]},\"category\":\"Method\",\"term\":\"bar\",\"changeType\":\"modified\"},{\"span\":{\"start\":[4,1],\"end\":[5,4]},\"category\":\"Method\",\"term\":\"baz\",\"changeType\":\"removed\"}]},\"errors\":{}}\n" :: ByteString)
|
|
|
|
it "produces JSON output if there are parse errors" $ do
|
|
blobs <- blobsForPaths (both "ruby/methods.A.rb" "ruby/methods.X.rb")
|
|
output <- runTask (diffBlobPair ToCDiffRenderer blobs)
|
|
toS output `shouldBe` ("{\"changes\":{\"test/fixtures/toc/ruby/methods.A.rb -> test/fixtures/toc/ruby/methods.X.rb\":[{\"span\":{\"start\":[4,1],\"end\":[5,4]},\"category\":\"Method\",\"term\":\"baz\",\"changeType\":\"removed\"}]},\"errors\":{\"test/fixtures/toc/ruby/methods.A.rb -> test/fixtures/toc/ruby/methods.X.rb\":[{\"span\":{\"start\":[1,1],\"end\":[3,1]},\"error\":\"def bar\\nen\\n\"}]}}\n" :: ByteString)
|
|
|
|
type Diff' = SyntaxDiff Text (Maybe Declaration ': DefaultFields)
|
|
type Term' = SyntaxTerm Text (Maybe Declaration ': DefaultFields)
|
|
|
|
numTocSummaries :: Diff' -> Int
|
|
numTocSummaries diff = Prologue.length $ filter isValidSummary (diffTOC diff)
|
|
|
|
-- Return a diff where body is inserted in the expressions of a function. The function is present in both sides of the diff.
|
|
programWithChange :: Term' -> Diff'
|
|
programWithChange body = wrap (pure programInfo :< Indexed [ function' ])
|
|
where
|
|
function' = wrap (pure (Just (FunctionDeclaration "foo") :. functionInfo) :< S.Function name' [] [ inserting body ] )
|
|
name' = wrap (pure (Nothing :. Range 0 0 :. C.Identifier :. sourceSpanBetween (0,0) (0,0) :. Nil) :< Leaf "foo")
|
|
|
|
-- Return a diff where term is inserted in the program, below a function found on both sides of the diff.
|
|
programWithChangeOutsideFunction :: Term' -> Diff'
|
|
programWithChangeOutsideFunction term = wrap (pure programInfo :< Indexed [ function', term' ])
|
|
where
|
|
function' = wrap (pure (Just (FunctionDeclaration "foo") :. functionInfo) :< S.Function name' [] [] )
|
|
name' = wrap (pure (Nothing :. Range 0 0 :. C.Identifier :. sourceSpanBetween (0,0) (0,0) :. Nil) :< Leaf "foo")
|
|
term' = inserting term
|
|
|
|
programWithInsert :: Text -> Term' -> Diff'
|
|
programWithInsert name body = programOf $ inserting (functionOf name body)
|
|
|
|
programWithDelete :: Text -> Term' -> Diff'
|
|
programWithDelete name body = programOf $ deleting (functionOf name body)
|
|
|
|
programWithReplace :: Text -> Term' -> Diff'
|
|
programWithReplace name body = programOf $ replacing (functionOf name body) (functionOf (name <> "2") body)
|
|
|
|
programOf :: Diff' -> Diff'
|
|
programOf diff = wrap (pure programInfo :< Indexed [ diff ])
|
|
|
|
functionOf :: Text -> Term' -> Term'
|
|
functionOf name body = cofree $ (Just (FunctionDeclaration name) :. functionInfo) :< S.Function name' [] [body]
|
|
where
|
|
name' = cofree $ (Nothing :. Range 0 0 :. C.Identifier :. sourceSpanBetween (0,0) (0,0) :. Nil) :< Leaf name
|
|
|
|
programInfo :: Record (Maybe Declaration ': DefaultFields)
|
|
programInfo = Nothing :. Range 0 0 :. C.Program :. sourceSpanBetween (0,0) (0,0) :. Nil
|
|
|
|
functionInfo :: Record DefaultFields
|
|
functionInfo = Range 0 0 :. C.Function :. sourceSpanBetween (0,0) (0,0) :. Nil
|
|
|
|
-- Filter tiers for terms that we consider "meaniningful" in TOC summaries.
|
|
isMeaningfulTerm :: ListableF (Term (Syntax leaf)) a -> Bool
|
|
isMeaningfulTerm a = case runCofree (unListableF a) of
|
|
(_ :< S.Indexed _) -> False
|
|
(_ :< S.Fixed _) -> False
|
|
(_ :< S.Commented _ _) -> False
|
|
(_ :< S.ParseError _) -> False
|
|
_ -> True
|
|
|
|
-- Filter tiers for terms if the Syntax is a Method or a Function.
|
|
isMethodOrFunction :: HasField fields Category => ListableF (Term (Syntax leaf)) (Record fields) -> Bool
|
|
isMethodOrFunction a = case runCofree (unListableF a) of
|
|
(_ :< S.Method{}) -> True
|
|
(_ :< S.Function{}) -> True
|
|
(a :< _) | getField a == C.Function -> True
|
|
(a :< _) | getField a == C.Method -> True
|
|
(a :< _) | getField a == C.SingletonMethod -> True
|
|
_ -> False
|
|
|
|
blobsForPaths :: Both FilePath -> IO (Both SourceBlob)
|
|
blobsForPaths = traverse (readFile . ("test/fixtures/toc/" <>))
|
|
|
|
sourceSpanBetween :: (Int, Int) -> (Int, Int) -> SourceSpan
|
|
sourceSpanBetween (s1, e1) (s2, e2) = SourceSpan (SourcePos s1 e1) (SourcePos s2 e2)
|
|
|
|
blankDiff :: Diff'
|
|
blankDiff = wrap (pure arrayInfo :< Indexed [ inserting (cofree $ literalInfo :< Leaf "\"a\"") ])
|
|
where
|
|
arrayInfo = Nothing :. Range 0 3 :. ArrayLiteral :. sourceSpanBetween (1, 1) (1, 5) :. Nil
|
|
literalInfo = Nothing :. Range 1 2 :. StringLiteral :. sourceSpanBetween (1, 2) (1, 4) :. Nil
|
|
|
|
blankDiffBlobs :: Both SourceBlob
|
|
blankDiffBlobs = both (SourceBlob (fromText "[]") nullOid "a.js" (Just defaultPlainBlob) (Just TypeScript)) (SourceBlob (fromText "[a]") nullOid "b.js" (Just defaultPlainBlob) (Just TypeScript))
|
|
|
|
instance Listable Text where
|
|
tiers = unListableText `mapT` tiers
|