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Test the specific error message we get for cascading children failures.

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This commit is contained in:
Rob Rix 2017-04-26 11:45:58 -04:00
parent d57df3f5fb
commit e89ea96739
1 changed files with 1 additions and 2 deletions
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3
test/Data/Syntax/Assignment/Spec.hs
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@ -51,8 +51,7 @@ spec = do
() <$ runAssignment (children red) (startingState "a" [Rose (rec Blue 0 1) [Rose (rec Red 0 1) []]]) `shouldBe` Result ()
it "does not match if its subrule does not match" $
let errors r = case r of { Result _ -> Nothing ; Error e -> Just e } in
fmap Prologue.length (errors (runAssignment (children red) (startingState "a" [Rose (rec Blue 0 1) [Rose (rec Green 0 1) []]]))) `shouldBe` Just 1
(runAssignment (children red) (startingState "a" [Rose (rec Blue 0 1) [Rose (rec Green 0 1) []]])) `shouldBe` Error [ "Expected Red but got Green" ]
it "matches nested children" $ do
runAssignment