26 lines
805 B
Haskell
26 lines
805 B
Haskell
import Test.Hspec
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import GEval
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import qualified Test.HUnit as HU
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main :: IO ()
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main = hspec $ do
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describe "mean square error" $ do
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it "simple test" $ do
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geval "test/mse-simple/mse-simple/test-A/expected.tsv" "test/mse-simple/mse-simple-solution/test-A/out.tsv" `shouldReturnAlmost` 0.64549722436790
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class AEq a where
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(=~) :: a -> a -> Bool
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instance AEq Double where
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x =~ y = abs ( x - y ) < (1.0e-8 :: Double)
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(@=~?) :: (Show a, AEq a) => a -> a -> HU.Assertion
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(@=~?) expected actual = expected =~ actual HU.@? assertionMsg
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where
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assertionMsg = "Expected : " ++ show expected ++
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"\nActual : " ++ show actual
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shouldReturnAlmost :: (AEq a, Show a, Eq a) => IO a -> a -> Expectation
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shouldReturnAlmost action expected = action >>= (@=~? expected)
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