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Diffstat (limited to 'tests/Tests/Helpers.hs')
-rw-r--r-- | tests/Tests/Helpers.hs | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/tests/Tests/Helpers.hs b/tests/Tests/Helpers.hs deleted file mode 100644 index b8d6b83a7..000000000 --- a/tests/Tests/Helpers.hs +++ /dev/null @@ -1,116 +0,0 @@ -{-# LANGUAGE TypeSynonymInstances, FlexibleInstances, TemplateHaskell #-} --- Utility functions for the test suite. - -module Tests.Helpers ( lit - , file - , test - , (=?>) - , property - , ToString(..) - , ToPandoc(..) - ) - where - -import Text.Pandoc.Definition -import Text.Pandoc.Builder (Inlines, Blocks, doc, plain) -import Test.Framework -import Test.Framework.Providers.HUnit -import Test.Framework.Providers.QuickCheck2 -import Test.HUnit (assertBool) -import Text.Pandoc.Shared (normalize, defaultWriterOptions, - WriterOptions(..), removeTrailingSpace) -import Text.Pandoc.Writers.Native (writeNative) -import Language.Haskell.TH.Quote (QuasiQuoter(..)) -import Language.Haskell.TH.Syntax (Q, runIO) -import qualified Test.QuickCheck.Property as QP -import System.Console.ANSI -import Data.Algorithm.Diff - -lit :: QuasiQuoter -lit = QuasiQuoter { - quoteExp = (\a -> let b = rnl a in [|b|]) . filter (/= '\r') - , quotePat = error "Cannot use lit as a pattern" - } - where rnl ('\n':xs) = xs - rnl xs = xs - -file :: QuasiQuoter -file = quoteFile lit - --- adapted from TH 2.5 code -quoteFile :: QuasiQuoter -> QuasiQuoter -quoteFile (QuasiQuoter { quoteExp = qe, quotePat = qp }) = - QuasiQuoter { quoteExp = get qe, quotePat = get qp } - where - get :: (String -> Q a) -> String -> Q a - get old_quoter file_name = do { file_cts <- runIO (readFile file_name) - ; old_quoter file_cts } - -test :: (ToString a, ToString b, ToString c) - => (a -> b) -- ^ function to test - -> String -- ^ name of test case - -> (a, c) -- ^ (input, expected value) - -> Test -test fn name (input, expected) = - testCase name $ assertBool msg (actual' == expected') - where msg = nl ++ dashes "input" ++ nl ++ input' ++ nl ++ - dashes "expected" ++ nl ++ expected'' ++ - dashes "got" ++ nl ++ actual'' ++ - dashes "" - nl = "\n" - input' = toString input - actual' = toString $ fn input - expected' = toString expected - diff = getDiff (lines expected') (lines actual') - expected'' = unlines $ map vividize $ filter (\(d,_) -> d /= S) diff - actual'' = unlines $ map vividize $ filter (\(d,_) -> d /= F) diff - dashes "" = replicate 72 '-' - dashes x = replicate (72 - length x - 5) '-' ++ " " ++ x ++ " ---" - -vividize :: (DI,String) -> String -vividize (B,s) = s -vividize (_,s) = vivid s - -property :: QP.Testable a => TestName -> a -> Test -property = testProperty - -vivid :: String -> String -vivid s = setSGRCode [SetColor Background Dull Red - , SetColor Foreground Vivid White] ++ s - ++ setSGRCode [Reset] - -infix 6 =?> -(=?>) :: a -> b -> (a,b) -x =?> y = (x, y) - -class ToString a where - toString :: a -> String - -instance ToString Pandoc where - toString d = writeNative defaultWriterOptions{ writerStandalone = s } - $ toPandoc d - where s = case d of - (Pandoc (Meta [] [] []) _) -> False - _ -> True - -instance ToString Blocks where - toString = writeNative defaultWriterOptions . toPandoc - -instance ToString Inlines where - toString = removeTrailingSpace . writeNative defaultWriterOptions . - toPandoc - -instance ToString String where - toString = id - -class ToPandoc a where - toPandoc :: a -> Pandoc - -instance ToPandoc Pandoc where - toPandoc = normalize - -instance ToPandoc Blocks where - toPandoc = normalize . doc - -instance ToPandoc Inlines where - toPandoc = normalize . doc . plain |