ghc-mod/test/BrowseSpec.hs

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module BrowseSpec where
import Control.Applicative
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import Language.Haskell.GhcMod
import Test.Hspec
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import Prelude
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import TestUtils
import Dir
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spec :: Spec
spec = do
describe "browse Data.Map" $ do
it "contains at least `differenceWithKey'" $ do
syms <- runD $ lines <$> browse defaultBrowseOpts "Data.Map"
syms `shouldContain` ["differenceWithKey"]
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describe "browse -d Data.Either" $ do
it "contains functions (e.g. `either') including their type signature" $ do
syms <- runD
$ lines <$> browse defaultBrowseOpts{ optBrowseDetailed = True } "Data.Either"
syms `shouldContain` ["either :: (a -> c) -> (b -> c) -> Either a b -> c"]
it "contains type constructors (e.g. `Left') including their type signature" $ do
syms <- runD
$ lines <$> browse defaultBrowseOpts{ optBrowseDetailed = True } "Data.Either"
syms `shouldContain` ["Left :: a -> Either a b"]
describe "`browse' in a project directory" $ do
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it "can list symbols defined in a a local module" $ do
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withDirectory_ "test/data/ghc-mod-check/" $ do
syms <- runD $ lines <$> browse defaultBrowseOpts "Data.Foo"
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syms `shouldContain` ["foo"]
syms `shouldContain` ["fibonacci"]