geval/test/Spec.hs

82 lines
3.3 KiB
Haskell

import Test.Hspec
import GEval.Core
import GEval.OptionsParser
import GEval.BLEU
import Options.Applicative
import qualified Test.HUnit as HU
main :: IO ()
main = hspec $ do
describe "root mean square error" $ do
it "simple test" $ do
geval (defaultGEvalSpecification {gesExpectedDirectory=Just "test/rmse-simple/rmse-simple", gesOutDirectory="test/rmse-simple/rmse-simple-solution"}) `shouldReturnAlmost` 0.64549722436790
describe "mean square error" $ do
it "simple test with arguments" $
runGEvalTest "mse-simple" `shouldReturnAlmost` 0.4166666666666667
describe "BLEU" $ do
it "trivial example from Wikipedia" $
runGEvalTest "bleu-trivial" `shouldReturnAlmost` 0.0
it "complex example" $
runGEvalTest "bleu-complex" `shouldReturnAlmost` 0.6211
it "perfect translation" $
runGEvalTest "bleu-perfect" `shouldReturnAlmost` 1.0000
describe "Accuracy" $ do
it "simple example" $
runGEvalTest "accuracy-simple" `shouldReturnAlmost` 0.6
describe "precision count" $ do
it "simple test" $ do
precisionCount [["Alice", "has", "a", "cat" ]] ["Ala", "has", "cat"] `shouldBe` 2
it "none found" $ do
precisionCount [["Alice", "has", "a", "cat" ]] ["for", "bar", "baz"] `shouldBe` 0
it "multiple values" $ do
precisionCount [["bar", "bar", "bar", "bar", "foo", "xyz", "foo"]] ["foo", "bar", "foo", "baz", "bar", "foo"] `shouldBe` 4
it "multiple refs" $ do
precisionCount [["foo", "baz"], ["bar"], ["baz", "xyz"]] ["foo", "bar", "foo"] `shouldBe` 2
describe "reading options" $ do
it "can get the metric" $ do
extractMetric "bleu-complex" `shouldReturn` (Just BLEU)
describe "error handling" $ do
it "too few lines are handled" $ do
runGEvalTest "error-too-few-lines" `shouldThrow` (== TooFewLines)
it "too many lines are handled" $ do
runGEvalTest "error-too-many-lines" `shouldThrow` (== TooManyLines)
it "empty output is handled" $ do
runGEvalTest "empty-output" `shouldThrow` (== EmptyOutput)
it "unexpected data is handled" $
runGEvalTest "unexpected-data" `shouldThrow` (== UnexpectedData "input does not start with a digit")
it "unwanted data is handled" $
runGEvalTest "unwanted-data" `shouldThrow` (== UnexpectedData "number expected")
extractVal :: (Either (ParserResult GEvalOptions) (Maybe MetricValue)) -> IO MetricValue
extractVal (Right (Just val)) = return val
runGEvalTest testName = (runGEval [
"--expected-directory",
"test/" ++ testName ++ "/" ++ testName,
"--out-directory",
"test/" ++ testName ++ "/" ++ testName ++ "-solution"]) >>= extractVal
extractMetric :: String -> IO (Maybe Metric)
extractMetric testName = do
result <- getOptions ["--expected-directory", "test/" ++ testName ++ "/" ++ testName]
return $ case result of
Left _ -> Nothing
Right opts -> Just $ gesMetric $ geoSpec opts
class AEq a where
(=~) :: a -> a -> Bool
instance AEq Double where
x =~ y = abs ( x - y ) < (1.0e-4 :: Double)
(@=~?) :: (Show a, AEq a) => a -> a -> HU.Assertion
(@=~?) expected actual = expected =~ actual HU.@? assertionMsg
where
assertionMsg = "Expected : " ++ show expected ++
"\nActual : " ++ show actual
shouldReturnAlmost :: (AEq a, Show a, Eq a) => IO a -> a -> Expectation
shouldReturnAlmost action expected = action >>= (@=~? expected)