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50 lines
2.0 KiB
Haskell
50 lines
2.0 KiB
Haskell
{-# LANGUAGE PackageImports #-}
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module Graphing.Calls.Spec ( spec ) where
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import Prelude hiding (readFile)
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import Prologue
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import SpecHelpers hiding (readFile)
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import Algebra.Graph
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import Data.List (uncons)
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import Data.Abstract.Module
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import "semantic" Data.Graph (Graph (..), topologicalSort)
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import Data.Graph.ControlFlowVertex
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import Data.Span
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import qualified Data.Language as Language
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import Semantic.Config (defaultOptions)
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import Semantic.Graph
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import Semantic.IO
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callGraphPythonProject paths = runTask $ do
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let proxy = Proxy @'Language.Python
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let lang = Language.Python
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blobs <- catMaybes <$> traverse readBlobFromFile (flip File lang <$> paths)
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package <- fmap snd <$> parsePackage pythonParser (Project (takeDirectory (maybe "/" fst (uncons paths))) blobs lang [])
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modules <- topologicalSort <$> runImportGraphToModules proxy package
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runCallGraph proxy False modules package
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spec :: Spec
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spec = describe "call graphing" $ do
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let needs r v = unGraph r `shouldSatisfy` hasVertex v
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it "should work for a simple example" $ do
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res <- callGraphPythonProject ["test/fixtures/python/graphing/simple/simple.py"]
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res `needs` Variable "magnus" "simple.py" (Span (Pos 4 1) (Pos 4 7))
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it "should evaluate both sides of an if-statement" $ do
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res <- callGraphPythonProject ["test/fixtures/python/graphing/conditional/conditional.py"]
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res `needs` Variable "merle" "conditional.py" (Span (Pos 5 5) (Pos 5 10))
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res `needs` Variable "taako" "conditional.py" (Span (Pos 8 5) (Pos 8 10))
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it "should continue even when a type error is encountered" $ do
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res <- callGraphPythonProject ["test/fixtures/python/graphing/typeerror/typeerror.py"]
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res `needs` Variable "lup" "typeerror.py" (Span (Pos 5 1) (Pos 5 4))
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it "should continue when an unbound variable is encountered" $ do
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res <- callGraphPythonProject ["test/fixtures/python/graphing/unbound/unbound.py"]
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res `needs` Variable "lucretia" "unbound.py" (Span (Pos 5 1) (Pos 5 9))
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