39 lines
1.6 KiB
Haskell
39 lines
1.6 KiB
Haskell
module CheckSpec where
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import Data.List (isSuffixOf, isInfixOf, isPrefixOf)
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import Language.Haskell.GhcMod
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import System.FilePath
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import Test.Hspec
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import TestUtils
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import Dir
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spec :: Spec
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spec = do
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describe "checkSyntax" $ do
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it "works even if an executable depends on the library defined in the same cabal file" $ do
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withDirectory_ "test/data/ghc-mod-check" $ do
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res <- runID $ checkSyntax ["main.hs"]
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res `shouldBe` "main.hs:5:1:Warning: Top-level binding with no type signature: main :: IO ()\n"
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it "works even if a module imports another module from a different directory" $ do
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withDirectory_ "test/data/check-test-subdir" $ do
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res <- runID $ checkSyntax ["test/Bar/Baz.hs"]
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res `shouldSatisfy` (("test" </> "Foo.hs:3:1:Warning: Top-level binding with no type signature: foo :: [Char]\n") `isSuffixOf`)
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it "detects cyclic imports" $ do
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withDirectory_ "test/data" $ do
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res <- runID $ checkSyntax ["Mutual1.hs"]
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res `shouldSatisfy` ("Module imports form a cycle" `isInfixOf`)
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it "works with modules using QuasiQuotes" $ do
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withDirectory_ "test/data" $ do
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res <- runID $ checkSyntax ["Baz.hs"]
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res `shouldSatisfy` ("Baz.hs:5:1:Warning:" `isPrefixOf`)
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context "when no errors are found" $ do
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it "doesn't output an empty line" $ do
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withDirectory_ "test/data/ghc-mod-check/Data" $ do
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res <- runID $ checkSyntax ["Foo.hs"]
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res `shouldBe` ""
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