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{-# LANGUAGE ScopedTypeVariables #-}
module Main where
import GF.Compile.PMCFGTestHooks
import Control.Exception (SomeException, evaluate, try)
import Control.Monad (unless)
import Data.List (nub)
import System.Exit (exitFailure)
data Test = Test String (IO (Either String ()))
main :: IO ()
main = do
let tests = enumerationTests ++ singletonTests ++ finalizerTests
results <- mapM runTest tests
let failures = [(name,msg) | (name,Left msg) <- results]
unless (null failures) $ do
putStrLn ""
putStrLn (show (length failures) ++ " PMCFG differential test(s) failed")
mapM_ printFailure failures
exitFailure
runTest :: Test -> IO (String, Either String ())
runTest (Test name action) = do
result <- action
putStrLn (name ++ ": " ++ either (const "FAIL") (const "OK") result)
return (name,result)
printFailure :: (String, String) -> IO ()
printFailure (name,msg) = do
putStrLn ("--- " ++ name)
putStrLn msg
enumerationTests :: [Test]
enumerationTests =
[ enumCase "no parameters" TestStr
, enumCase "one parameter" (TestPar 1 [0,1,2])
, enumCase "multiple parameters" (TestRec [TestPar 1 [0,1], TestPar 2 [0,1]])
, enumCase "record nesting" (TestRec [TestStr, TestRec [TestPar 3 [0,1], TestPar 9 [0,1]]])
, enumCase "table nesting" (TestTbl [TestPar 1 [0,1], TestRec [TestStr, TestPar 4 [0,1]]])
, enumCase "restricted singleton" (TestPar 3 [2])
, enumCase "mixed singleton and multi-choice" (TestRec [TestPar 1 [0], TestPar 10 [0,1,2]])
, enumCase "duplicate weighted choices" (TestRec [TestPar 2 [0,0,1], TestPar 1 [0,1]])
, enumCorpusCase "generated small schema corpus" generatedSchemas
]
enumCase :: String -> TestSchema -> Test
enumCase name schema =
Test ("getFIds/" ++ name) (return (compareSchema schema))
enumCorpusCase :: String -> [TestSchema] -> Test
enumCorpusCase name schemas =
Test ("getFIds/" ++ name) $
return $
case [(schema,msg) | schema <- schemas, Left msg <- [compareSchema schema]] of
[] -> Right ()
failures ->
Left $
unlines $
("checked: " ++ show (length schemas) ++ " schemas")
: concatMap describeFailure (take 5 failures)
where
describeFailure (schema,msg) =
[ "schema: " ++ show schema
, msg
]
compareSchema :: TestSchema -> Either String ()
compareSchema schema =
let pre = getFIdsPre schema
optimized = getFIdsOptimized schema
(cached1,cached2) = getFIdsOptimizedCached schema
in if pre == optimized && pre == cached1 && pre == cached2
then Right ()
else Left $
unlines [ "schema: " ++ show schema
, "pre: " ++ show pre
, "optimized: " ++ show optimized
, "cached #1: " ++ show cached1
, "cached #2: " ++ show cached2
]
singletonTests :: [Test]
singletonTests =
[ singleCase "no-parameter singleton" TestStr
, singleCase "restricted singleton" (TestRec [TestPar 3 [2], TestStr])
, singleFailureCase "non-singleton result" (TestPar 1 [0,1])
, singleFailureCase "nested non-singleton result" (TestRec [TestPar 1 [0], TestPar 4 [0,1]])
]
singleCase :: String -> TestSchema -> Test
singleCase name schema =
Test ("getSingleFId/" ++ name) $
return $
let pre = getSingleFIdPre schema
optimized = getSingleFIdOptimized schema
in if pre == optimized
then Right ()
else Left $
unlines [ "schema: " ++ show schema
, "pre: " ++ show pre
, "optimized: " ++ show optimized
]
singleFailureCase :: String -> TestSchema -> Test
singleFailureCase name schema =
Test ("getSingleFId/" ++ name) $ do
pre <- throws (getSingleFIdPre schema)
optimized <- throws (getSingleFIdOptimized schema)
return $
if pre && optimized
then Right ()
else Left $
unlines [ "schema: " ++ show schema
, "pre threw: " ++ show pre
, "optimized threw: " ++ show optimized
]
throws :: a -> IO Bool
throws value = do
result <- try (evaluate value)
return $ case result of
Left (_ :: SomeException) -> True
Right _ -> False
finalizerTests :: [Test]
finalizerTests =
[ pmcfgCase "duplicate argument products are ignored"
[ TestProduction 0 [1,2] [[10],[20]]
, TestProduction 0 [1,2] [[10],[20]]
]
, pmcfgCase "complete products are compressed"
[ TestProduction 0 [1] [[1],[10]]
, TestProduction 0 [1] [[1],[20]]
, TestProduction 0 [1] [[2],[10]]
, TestProduction 0 [1] [[2],[20]]
]
, pmcfgCase "incomplete products remain uncompressed"
[ TestProduction 0 [1] [[1],[10]]
, TestProduction 0 [1] [[1],[20]]
, TestProduction 0 [1] [[2],[10]]
]
, pmcfgCase "overlapping argument products preserve area predicate"
[ TestProduction 0 [1] [[1,2],[10]]
, TestProduction 0 [1] [[1],[10,20]]
]
, pmcfgCase "different arities remain equivalent"
[ TestProduction 0 [1] [[1]]
, TestProduction 0 [1] [[1],[2]]
]
, pmcfgCase "fun ids are first-encounter based"
[ TestProduction 0 [5] [[1]]
, TestProduction 0 [6] [[2]]
, TestProduction 1 [5] [[3]]
, TestProduction 1 [6] [[4]]
]
, pmcfgCase "nullary production"
[ TestProduction 0 [10] []
]
, pmcfgCase "lindef-shaped production"
[ TestProduction 0 [7,8] [[-4]]
]
, pmcfgCase "linref-shaped production"
[ TestProduction (-4) [9] [[1,2,3]]
]
, pmcfgCorpusCase "generated production corpus" generatedProductionCorpora
]
pmcfgCase :: String -> [TestProduction] -> Test
pmcfgCase name prods =
Test ("pmcfg/" ++ name) (return (compareProductions prods))
pmcfgCorpusCase :: String -> [[TestProduction]] -> Test
pmcfgCorpusCase name corpora =
Test ("pmcfg/" ++ name) $
return $
case [(i,prods,msg) | (i,prods) <- zip [(1 :: Int)..] corpora, Left msg <- [compareProductions prods]] of
[] -> Right ()
failures ->
Left $
unlines $
("checked: " ++ show (length corpora) ++ " corpora")
: concatMap describeFailure (take 5 failures)
where
describeFailure (i,prods,msg) =
[ "corpus: " ++ show i
, "inputs: " ++ show prods
, msg
]
compareProductions :: [TestProduction] -> Either String ()
compareProductions prods =
let results = pmcfgResults prods
pre = pmcfgPre results
optimized = pmcfgOptimized results
in if pre == optimized
then Right ()
else Left $
unlines [ "inputs: " ++ show prods
, "pre: " ++ show pre
, "optimized: " ++ show optimized
]
generatedSchemas :: [TestSchema]
generatedSchemas =
take 160 $
filter ((<= 128) . schemaAlternatives) $
nub $
concat levels
where
leafs =
[ TestStr
, TestPar 1 [0]
, TestPar 1 [0,1]
, TestPar 2 [0,1]
, TestPar 3 [1,2]
, TestPar 2 [0,0,1]
]
levels = take 4 (iterate grow leafs)
grow schemas =
leafs ++
[ TestRec [a,b] | a <- schemas, b <- leafs, schemaAlternatives a * schemaAlternatives b <= 128 ] ++
[ TestTbl [a,b] | a <- schemas, b <- leafs, schemaAlternatives a * schemaAlternatives b <= 128 ] ++
[ TestRec [a, TestTbl [b,c]]
| a <- take 8 schemas
, b <- take 4 leafs
, c <- take 4 leafs
, schemaAlternatives a * schemaAlternatives b * schemaAlternatives c <= 128
]
schemaAlternatives :: TestSchema -> Int
schemaAlternatives TestStr = 1
schemaAlternatives (TestPar _ choices) = length choices
schemaAlternatives (TestRec schemas) = product (map schemaAlternatives schemas)
schemaAlternatives (TestTbl schemas) = product (map schemaAlternatives schemas)
generatedProductionCorpora :: [[TestProduction]]
generatedProductionCorpora =
[ take n generatedProductions
| n <- [1..40]
] ++
[ [generatedProductions !! i | i <- indexes]
| indexes <- [ [0,1,2,1]
, [3,4,5,6,7]
, [8,9,10,11,12,13]
, [14,15,16,17,18,19,20]
]
]
generatedProductions :: [TestProduction]
generatedProductions =
[ TestProduction fid seqs args
| fid <- [0,1,2,-4]
, seqs <- [[1], [1,2], [2,1], [3,4,5]]
, args <- [ []
, [[1]]
, [[1,2]]
, [[1],[10]]
, [[1],[10,20]]
, [[1,2],[10]]
, [[1],[10],[20,30]]
, [[-4]]
]
]
|
