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{-# LANGUAGE CPP #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE ScopedTypeVariables #-}
import Commonmark
import Commonmark.Extensions
import Control.Monad (when)
import Data.Functor.Identity
import Data.List (groupBy)
import Data.Text (Text)
import qualified Data.Text as T
import qualified Data.Text.IO as T
import System.IO (hSetEncoding, utf8, openFile,
IOMode(..))
import qualified Data.Text.Lazy as TL
import Test.Tasty
import Test.Tasty.HUnit
import Text.Parsec
import Text.Parsec.Pos
readTextFile :: FilePath -> IO Text
readTextFile fp = do
h <- openFile fp ReadMode
hSetEncoding h utf8
T.hGetContents h
main :: IO ()
main = do
tests <- mapM (uncurry getSpecTestTree)
[ ("test/smart.md", smartPunctuationSpec)
, ("test/hard_line_breaks.md", hardLineBreaksSpec)
, ("test/strikethrough.md", strikethroughSpec)
, ("test/superscript.md", superscriptSpec)
, ("test/subscript.md", subscriptSpec)
, ("test/pipe_tables.md", pipeTableSpec)
, ("test/footnotes.md", footnoteSpec)
, ("test/math.md", mathSpec)
, ("test/emoji.md", emojiSpec)
, ("test/autolinks.md", autolinkSpec)
, ("test/definition_lists.md", definitionListSpec)
, ("test/fancy_lists.md", fancyListSpec)
, ("test/task_lists.md", taskListSpec)
, ("test/attributes.md", attributesSpec)
, ("test/raw_attribute.md", rawAttributeSpec)
, ("test/bracketed_spans.md", bracketedSpanSpec)
, ("test/fenced_divs.md", fencedDivSpec)
, ("test/auto_identifiers.md", autoIdentifiersSpec <> attributesSpec)
, ("test/auto_identifiers_ascii.md", autoIdentifiersAsciiSpec <> attributesSpec)
, ("test/implicit_heading_references.md",
autoIdentifiersSpec <> attributesSpec <> implicitHeadingReferencesSpec)
, ("test/wikilinks_title_before_pipe.md", wikilinksSpec TitleBeforePipe)
, ("test/wikilinks_title_after_pipe.md", wikilinksSpec TitleAfterPipe)
, ("test/alerts.md", alertSpec)
]
defaultMain $ testGroup "Tests" (tests ++ [rebaseRelativePathTests])
getSpecTestTree :: FilePath
-> SyntaxSpec Identity (Html ()) (Html ())
-> IO TestTree
getSpecTestTree fp syntaxspec = do
spectests <- getSpecTests fp
let spectestgroups = groupBy (\t1 t2 -> section t1 == section t2)
spectests
let spectestsecs = [(section (head xs), xs) | xs <- spectestgroups]
let parser = runIdentity . parseCommonmarkWith
(syntaxspec <> defaultSyntaxSpec)
return $ testGroup fp $
map (\(secname, tests) ->
testGroup (T.unpack secname) $
map (toSpecTest parser) tests)
spectestsecs
getSpecTests :: FilePath -> IO [SpecTest]
getSpecTests fp = do
speclines <- zip [1..] . T.lines . T.replace "→" "\t"
<$> readTextFile fp
return $ either (error . show) id $ runParser
(many (try (skipMany normalLine *> parseSpecTest))
<* skipMany normalLine <* eof) ("",1) fp
speclines
data SpecTest = SpecTest
{ section :: Text
, example :: Int
, markdown :: Text
, end_line :: Int
, start_line :: Int
, html :: Text }
deriving (Show)
toSpecTest :: ([Tok] -> Either ParseError (Html ()))
-> SpecTest -> TestTree
toSpecTest parser st =
testCase name (actual @?= expected)
where name = T.unpack (section st) ++ " example " ++ show (example st) ++
" (" ++ show (start_line st) ++ "-" ++
show (end_line st) ++ ")"
expected = normalizeHtml $ html st
actual = normalizeHtml . TL.toStrict . renderHtml .
fromRight mempty $
(parser (tokenize "" (markdown st))
:: Either ParseError (Html ()))
normalizeHtml :: Text -> Text
normalizeHtml = T.replace "\n</li>" "</li>" .
T.replace "<li>\n" "<li>"
fromRight :: b -> Either a b -> b
fromRight fallback (Left _) = fallback
fromRight _ (Right x) = x
--- parser for spec test cases
satisfyLine :: (Text -> Bool)
-> Parsec [(Int, Text)] (Text, Int) Text
satisfyLine f = token showTok posFromTok testTok
where
showTok (_,t) = T.unpack t
posFromTok (pos,_) = newPos "" pos 1
testTok (_,t) = if f t then Just t else Nothing
parseSpecTest :: Parsec [(Int, Text)] (Text, Int) SpecTest
parseSpecTest = do
startpos <- getPosition
() <$ satisfyLine (== "```````````````````````````````` example")
markdownTxt <- T.unlines <$> manyTill (satisfyLine (const True))
(satisfyLine (=="."))
htmlTxt <- T.unlines <$> manyTill (satisfyLine (const True))
(satisfyLine (== "````````````````````````````````"))
endline <- (\x -> x - 1) . sourceLine <$> getPosition
(sectionName, exampleNumber) <- getState
putState (sectionName, exampleNumber + 1)
return SpecTest{
section = sectionName
, example = exampleNumber
, markdown = markdownTxt
, end_line = endline
, start_line = sourceLine startpos
, html = htmlTxt
}
normalLine :: Parsec [(Int, Text)] (Text, Int) ()
normalLine = do
t <- satisfyLine (/= "```````````````````````````````` example")
when ("#" `T.isPrefixOf` t) $ updateState $ \(_secname, exampnum) ->
(T.strip $ T.dropWhile (=='#') t, exampnum)
rebaseRelativePathTests :: TestTree
rebaseRelativePathTests = do
let parser = runIdentity . parseCommonmarkWith
(rebaseRelativePathsSpec <> defaultSyntaxSpec)
let md = T.unlines
[ ""
, "[link](http://example.com/foo.jpg)"
, "![image]()"
, "[link](#foobar)"
, "![image][ref]"
, ""
, ""
]
let mdref = "[ref]: baz.png"
let toks = tokenize "chap1/text.md" md ++ tokenize "extra/refs.md" mdref
let actual = normalizeHtml . TL.toStrict . renderHtml .
fromRight mempty $ (parser toks
:: Either ParseError (Html ()))
let expected = T.unlines
[ "<p><img src=\"chap1/foo.jpg\" alt=\"image\" />"
, "<a href=\"http://example.com/foo.jpg\">link</a>"
, "<img src=\"\" alt=\"image\" />"
, "<a href=\"#foobar\">link</a>"
, "<img src=\"extra/baz.png\" alt=\"image\" />"
, "<img src=\"/absolute/path.jpg\" alt=\"image\" /></p>"
]
testCase "rebase_relative_paths" (actual @?= expected)
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