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semantic/test/Analysis/Python/Spec.hs
2019-02-01 15:04:23 -08:00

76 lines
4.1 KiB
Haskell

module Analysis.Python.Spec (spec) where
import Data.Abstract.Evaluatable (EvalError(..))
import qualified Data.Abstract.ModuleTable as ModuleTable
import Data.Abstract.Value.Concrete
import qualified Language.Python.Assignment as Python
import qualified Data.Language as Language
import SpecHelpers
spec :: TaskSession -> Spec
spec session = parallel $ do
describe "Python" $ do
it "imports" $ do
(scopeGraph, (heap, res)) <- evaluate ["main.py", "a.py", "b/__init__.py", "b/c.py"]
case ModuleTable.lookup "main.py" <$> res of
Right (Just (Module _ (scopeAndFrame, _))) -> do
const () <$> SpecHelpers.lookupDeclaration "a" scopeAndFrame heap scopeGraph `shouldBe` Just ()
const () <$> SpecHelpers.lookupDeclaration "b" scopeAndFrame heap scopeGraph `shouldBe` Just ()
fromJust (SpecHelpers.lookupMembers "a" Import scopeAndFrame heap scopeGraph) `shouldContain` [ "foo" ]
fromJust (SpecHelpers.lookupMembers "b" Import scopeAndFrame heap scopeGraph) `shouldContain` ["c"]
-- (derefQName heap ("b" :| ["c"]) env >>= deNamespace heap) `shouldBe` Just ("c", ["baz"])
other -> expectationFailure (show other)
it "imports with aliases" $ do
(scopeGraph, (heap, res)) <- evaluate ["main1.py", "a.py", "b/__init__.py", "b/c.py"]
case ModuleTable.lookup "main1.py" <$> res of
Right (Just (Module _ (scopeAndFrame, value))) -> do
const () <$> SpecHelpers.lookupDeclaration "b" scopeAndFrame heap scopeGraph `shouldBe` Just ()
const () <$> SpecHelpers.lookupDeclaration "e" scopeAndFrame heap scopeGraph `shouldBe` Just ()
other -> expectationFailure (show other)
it "imports using from syntax" $ do
(scopeGraph, (heap, res)) <- evaluate ["main2.py", "a.py", "b/__init__.py", "b/c.py"]
case ModuleTable.lookup "main2.py" <$> res of
Right (Just (Module _ (scopeAndFrame, value))) -> do
const () <$> SpecHelpers.lookupDeclaration "bar" scopeAndFrame heap scopeGraph `shouldBe` Just ()
const () <$> SpecHelpers.lookupDeclaration "foo" scopeAndFrame heap scopeGraph `shouldBe` Just ()
-- TODO: Enable when we constrain edge paths with path predicates
-- () <$ SpecHelpers.lookupDeclaration "baz" heap scopeGraph `shouldBe` Nothing
other -> expectationFailure (show other)
it "imports with relative syntax" $ do
(scopeGraph, (heap, res)) <- evaluate ["main3.py", "c/__init__.py", "c/utils.py"]
case ModuleTable.lookup "main3.py" <$> res of
Right (Just (Module _ (scopeAndFrame, value))) -> do
const () <$> SpecHelpers.lookupDeclaration "utils" scopeAndFrame heap scopeGraph `shouldBe` Just ()
-- (lookupDeclaration "utils" heap >>= deNamespace heap) `shouldBe` Just ("utils", ["to_s"])
other -> expectationFailure (show other)
it "subclasses" $ do
(scopeGraph, (heap, res)) <- evaluate ["subclass.py"]
case ModuleTable.lookup "subclass.py" <$> res of
Right (Just (Module _ (scopeAndFrame, value))) -> do
() <$ SpecHelpers.lookupDeclaration "Foo" scopeAndFrame heap scopeGraph `shouldBe` Just ()
() <$ SpecHelpers.lookupDeclaration "Bar" scopeAndFrame heap scopeGraph `shouldBe` Just ()
SpecHelpers.lookupMembers "Bar" Superclass scopeAndFrame heap scopeGraph `shouldBe` Just [ "dang" ]
value `shouldBe` String "\"bar\""
other -> expectationFailure (show other)
it "handles multiple inheritance left-to-right" $ do
(scopeGraph, (heap, res)) <- evaluate ["multiple_inheritance.py"]
case ModuleTable.lookup "multiple_inheritance.py" <$> res of
Right (Just (Module _ (scopeAndFrame, value))) -> do
SpecHelpers.lookupMembers "Baz" Superclass scopeAndFrame heap scopeGraph `shouldBe` Just [ "dang" ]
value `shouldBe` String "\"bar!\""
other -> expectationFailure (show other)
where
fixtures = "test/fixtures/python/analysis/"
evaluate = evalPythonProject . map (fixtures <>)
evalPythonProject = testEvaluating <=< evaluateProject' session (Proxy :: Proxy 'Language.Python) pythonParser