{-# LANGUAGE OverloadedStrings #-} import Test.Hspec import GEval.Core import GEval.OptionsParser import GEval.BLEU import GEval.ClippEU import GEval.PrecisionRecall import GEval.ClusteringMetrics import Data.Attoparsec.Text import Options.Applicative import Data.Text import qualified Test.HUnit as HU informationRetrievalBookExample :: [(String, Int)] informationRetrievalBookExample = [("o", 2), ("o", 2), ("d", 2), ("x", 3), ("d", 3), ("x", 1), ("o", 1), ("x", 1), ( "x", 1), ("x", 1), ("x", 1), ("x", 2), ("o", 2), ("o", 2), ("x", 3), ("d", 3), ("d", 3)] perfectClustering :: [(Int, Char)] perfectClustering = [(0, 'a'), (2, 'b'), (3, 'c'), (2, 'b'), (2, 'b'), (1, 'd'), (0, 'a')] stupidClusteringOneBigCluster :: [(Int, Int)] stupidClusteringOneBigCluster = [(0, 2), (2, 2), (1, 2), (2, 2), (0, 2), (0, 2), (0, 2), (0, 2), (1, 2), (1, 2)] stupidClusteringManySmallClusters :: [(Int, Int)] stupidClusteringManySmallClusters = [(0, 0), (2, 1), (1, 2), (2, 3), (0, 4), (0, 5), (0, 6), (0, 7), (1, 8), (1, 9)] 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 "F-measure" $ do it "simple example" $ runGEvalTest "f-measure-simple" `shouldReturnAlmost` 0.57142857 it "perfect classifier" $ runGEvalTest "f-measure-perfect" `shouldReturnAlmost` 1.0 it "stupid classifier" $ runGEvalTest "f-measure-stupid" `shouldReturnAlmost` 0.0 it "all false" $ runGEvalTest "f-measure-all-false" `shouldReturnAlmost` 1.0 it "F2-measure" $ runGEvalTest "f2-simple" `shouldReturnAlmost` 0.714285714 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 "purity (in flat clustering)" $ do it "the example from Information Retrieval Book" $ do purity informationRetrievalBookExample `shouldBeAlmost` 0.70588 describe "NMI (in flat clustering)" $ do it "the example from Information Retrieval Book" $ do normalizedMutualInformation informationRetrievalBookExample `shouldBeAlmost` 0.36456 it "perfect clustering" $ do normalizedMutualInformation perfectClustering `shouldBeAlmost` 1.0 it "stupid clustering with one big cluster" $ do normalizedMutualInformation stupidClusteringOneBigCluster `shouldBeAlmost` 0.0 it "stupid clustering with many small clusters" $ do normalizedMutualInformation stupidClusteringManySmallClusters `shouldBeAlmost` 0.61799 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") describe "precision and recall" $ do it "null test" $ do precision neverMatch ['a', 'b', 'c'] [0, 1, 2, 3, 4, 5] `shouldBeAlmost` 0.0 recall neverMatch ['a', 'b', 'c'] [0, 1, 2, 3, 4, 5] `shouldBeAlmost` 0.0 f1Measure neverMatch ['a', 'b', 'c'] [0, 1, 2, 3, 4, 5] `shouldBeAlmost` 0.0 it "basic test" $ do precision testMatchFun ['a', 'b', 'c'] [0, 1, 2, 3, 4, 5] `shouldBeAlmost` 0.3333333333333333 recall testMatchFun ['a', 'b', 'c'] [0, 1, 2, 3, 4, 5] `shouldBeAlmost` 0.66666666666666666 f1Measure testMatchFun ['a', 'b', 'c'] [0, 1, 2, 3, 4, 5] `shouldBeAlmost` 0.444444444444444 it "perfect result" $ do precision alwaysMatch ['a', 'b', 'c'] [0, 1, 2] `shouldBeAlmost` 1.0 recall alwaysMatch ['a', 'b', 'c'] [0, 1, 2] `shouldBeAlmost` 1.0 f1Measure alwaysMatch ['a', 'b', 'c'] [0, 1, 2] `shouldBeAlmost` 1.0 it "full match" $ do precision alwaysMatch ['a', 'b', 'c'] [0, 1, 2, 3, 4, 5] `shouldBeAlmost` 0.5 recall alwaysMatch ['a', 'b', 'c'] [0, 1, 2, 3, 4, 5] `shouldBeAlmost` 1.0 f1Measure alwaysMatch ['a', 'b', 'c'] [0, 1, 2, 3 , 4, 5] `shouldBeAlmost` 0.66666666666666 describe "ClippEU" $ do it "parsing rectangles" $ do let (Right r) = parseOnly (lineClippingsParser <* endOfInput) "2/0,0,2,3 10/20,30,40,50 18/0,1,500,3 " r `shouldBe` [Clipping (PageNumber 2) (Rectangle (Point 0 0) (Point 2 3)), Clipping (PageNumber 10) (Rectangle (Point 20 30) (Point 40 50)), Clipping (PageNumber 18) (Rectangle (Point 0 1) (Point 500 3))] it "no rectangles" $ do let (Right r) = parseOnly (lineClippingsParser <* endOfInput) "" r `shouldBe` [] it "just spaces" $ do let (Right r) = parseOnly lineClippingsParser " " r `shouldBe` [] it "parsing specs" $ do let (Right r) = parseOnly lineClippingSpecsParser " 2/0,0,2,3/5 10/20,30,40,50/10" r `shouldBe` [ClippingSpec (PageNumber 2) (Rectangle (Point 5 5) (Point 0 0)) (Rectangle (Point 0 0) (Point 7 8)), ClippingSpec (PageNumber 10) (Rectangle (Point 30 40) (Point 30 40)) (Rectangle (Point 10 20) (Point 50 60))] it "full test" $ do runGEvalTest "clippeu-simple" `shouldReturnAlmost` 0.399999999999 describe "evaluation metric specification is parsed" $ do it "for simple names" $ do let metrics = [RMSE, MSE, BLEU, Accuracy, ClippEU] let parsedMetrics = Prelude.map (read . show) metrics metrics `shouldBe` parsedMetrics it "for F-Measure" $ do read "F2" `shouldBe` (FMeasure 2.0) read "F1" `shouldBe` (FMeasure 1.0) read "F0.5" `shouldBe` (FMeasure 0.5) neverMatch :: Char -> Int -> Bool neverMatch _ _ = False alwaysMatch :: Char -> Int -> Bool alwaysMatch _ _ = True testMatchFun :: Char -> Int -> Bool testMatchFun 'a' 1 = True testMatchFun 'a' 2 = True testMatchFun 'a' 3 = True testMatchFun 'b' 1 = True testMatchFun 'c' 1 = True testMatchFun _ _ = False 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 (@=~?) actual expected = expected =~ actual HU.@? assertionMsg where assertionMsg = "Expected : " ++ show expected ++ "\nActual : " ++ show actual shouldBeAlmost got expected = got @=~? expected shouldReturnAlmost :: (AEq a, Show a, Eq a) => IO a -> a -> Expectation shouldReturnAlmost action expected = action >>= (@=~? expected)