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104 lines
4.7 KiB
Haskell
104 lines
4.7 KiB
Haskell
{-# LANGUAGE DataKinds #-}
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module SummarySpec where
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import Category
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import Data.Functor.Both
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import Data.Functor.Listable
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import Data.List (partition)
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import Data.RandomWalkSimilarity
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import Data.Record
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import Data.String
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import Diff
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import Renderer.Summary
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import Info
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import Interpreter
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import Patch
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import Prologue
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import Source
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import Syntax
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import Term
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import Test.Hspec (Spec, describe, it, parallel)
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import Test.Hspec.Expectations.Pretty
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import Test.Hspec.LeanCheck
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import Data.These
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sourceSpanBetween :: (Int, Int) -> (Int, Int) -> SourceSpan
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sourceSpanBetween (s1, e1) (s2, e2) = SourceSpan (SourcePos s1 e1) (SourcePos s2 e2)
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arrayInfo :: Record '[Category, Range, SourceSpan]
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arrayInfo = ArrayLiteral :. Range 0 3 :. sourceSpanBetween (1, 1) (1, 5) :. Nil
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literalInfo :: Record '[Category, Range, SourceSpan]
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literalInfo = StringLiteral :. Range 1 2 :. sourceSpanBetween (1, 2) (1, 4) :. Nil
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testDiff :: Diff (Syntax Text) (Record '[Category, Range, SourceSpan])
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testDiff = free $ Free (pure arrayInfo :< Indexed [ free $ Pure (Insert (cofree $ literalInfo :< Leaf "\"a\"")) ])
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testSummary :: DiffSummary DiffInfo
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testSummary = DiffSummary { diffSummaryPatch = Insert (LeafInfo StringLiteral "a" $ sourceSpanBetween (1,1) (1, 2)), parentAnnotation = [] }
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replacementSummary :: DiffSummary DiffInfo
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replacementSummary = DiffSummary { diffSummaryPatch = Replace (LeafInfo StringLiteral "a" $ sourceSpanBetween (1, 2) (1, 4)) (LeafInfo SymbolLiteral "b" $ sourceSpanBetween (1,1) (1, 2)), parentAnnotation = [Left (Info.FunctionCall, "foo")] }
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blobs :: Both SourceBlob
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blobs = both (SourceBlob (fromText "[]") nullOid "a.js" (Just defaultPlainBlob)) (SourceBlob (fromText "[a]") nullOid "b.js" (Just defaultPlainBlob))
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spec :: Spec
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spec = parallel $ do
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describe "diffSummaries" $ do
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it "outputs a diff summary" $
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diffSummaries blobs testDiff `shouldBe` [ JSONSummary "Added the \"a\" string" (SourceSpans . That $ sourceSpanBetween (1, 2) (1, 4)) ]
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prop "equal terms produce identity diffs" $
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\ a -> let term = defaultFeatureVectorDecorator (category . headF) (unListableF a :: SyntaxTerm String '[Category, Range, SourceSpan]) in
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diffSummaries blobs (diffTerms term term) `shouldBe` []
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describe "DiffInfo" $ do
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prop "patches in summaries match the patches in diffs" $
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\a -> let
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diff = unListableDiff a :: SyntaxDiff String '[Category, Range, SourceSpan]
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summaries = diffToDiffSummaries (source <$> blobs) diff
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patches = toList diff
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in
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case (partition isBranchNode (diffSummaryPatch <$> summaries), partition isIndexedOrFixed patches) of
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((branchPatches, otherPatches), (branchDiffPatches, otherDiffPatches)) ->
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(() <$ branchPatches, () <$ otherPatches) `shouldBe` (() <$ branchDiffPatches, () <$ otherDiffPatches)
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prop "generates one LeafInfo for each child in an arbitrary branch patch" $
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\a -> let
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diff = unListableDiff a :: SyntaxDiff String '[Category, Range, SourceSpan]
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diffInfoPatches = diffSummaryPatch <$> diffToDiffSummaries (source <$> blobs) diff
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syntaxPatches = toList diff
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extractLeaves :: DiffInfo -> [DiffInfo]
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extractLeaves (BranchInfo children _ _) = join $ extractLeaves <$> children
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extractLeaves leaf = [ leaf ]
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extractDiffLeaves :: SyntaxTerm String '[Category, Range, SourceSpan] -> [ SyntaxTerm String '[Category, Range, SourceSpan] ]
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extractDiffLeaves term = case unwrap term of
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(Indexed children) -> join $ extractDiffLeaves <$> children
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(Fixed children) -> join $ extractDiffLeaves <$> children
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Commented children leaf -> children <> maybeToList leaf >>= extractDiffLeaves
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_ -> [ term ]
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in
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case (partition isBranchNode diffInfoPatches, partition isIndexedOrFixed syntaxPatches) of
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((branchPatches, _), (diffPatches, _)) ->
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let listOfLeaves = foldMap extractLeaves (join $ toList <$> branchPatches)
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listOfDiffLeaves = foldMap extractDiffLeaves (diffPatches >>= toList)
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in
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Prologue.length listOfLeaves `shouldBe` Prologue.length listOfDiffLeaves
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isIndexedOrFixed :: Patch (Term (Syntax a) annotation) -> Bool
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isIndexedOrFixed = any (isIndexedOrFixed' . unwrap)
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isIndexedOrFixed' :: Syntax a f -> Bool
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isIndexedOrFixed' syntax = case syntax of
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(Indexed _) -> True
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(Fixed _) -> True
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(Commented _ _) -> True
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_ -> False
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isBranchNode :: Patch DiffInfo -> Bool
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isBranchNode = any isBranchInfo
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unListableDiff :: Functor f => ListableF (Free (TermF f (ListableF (Join (,)) annotation))) (Patch (ListableF (Term f) annotation)) -> Diff f annotation
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unListableDiff diff = hoistFree (first unListableF) $ fmap unListableF <$> unListableF diff
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