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{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE OverloadedStrings #-}
{- |
Module : Tests.Readers.HTML
Copyright : © 2006-2019 John MacFarlane
License : GNU GPL, version 2 or above
Maintainer : John MacFarlane <jgm@berkeley.edu>
Stability : alpha
Portability : portable
Tests for the HTML reader.
-}
module Tests.Readers.HTML (tests) where
import Prelude
import Data.Text (Text)
import qualified Data.Text as T
import Test.Tasty
import Test.Tasty.QuickCheck
import Test.Tasty.Options (IsOption(defaultValue))
import Tests.Helpers
import Text.Pandoc
import Text.Pandoc.Shared (isHeaderBlock)
import Text.Pandoc.Arbitrary ()
import Text.Pandoc.Builder
import Text.Pandoc.Walk (walk)
html :: Text -> Pandoc
html = purely $ readHtml def
htmlNativeDivs :: Text -> Pandoc
htmlNativeDivs = purely $ readHtml def { readerExtensions = enableExtension Ext_native_divs $ readerExtensions def }
makeRoundTrip :: Block -> Block
makeRoundTrip CodeBlock{} = Para [Str "code block was here"]
makeRoundTrip LineBlock{} = Para [Str "line block was here"]
makeRoundTrip RawBlock{} = Para [Str "raw block was here"]
makeRoundTrip (Div attr bs) = Div attr $ filter (not . isHeaderBlock) bs
-- avoids round-trip failures related to makeSections
-- e.g. with [Div ("loc",[],[("a","11"),("b_2","a b c")]) [Header 3 ("",[],[]) []]]
makeRoundTrip x = x
removeRawInlines :: Inline -> Inline
removeRawInlines RawInline{} = Str "raw inline was here"
removeRawInlines x = x
roundTrip :: Blocks -> Bool
roundTrip b = d'' == d'''
where d = walk removeRawInlines $
walk makeRoundTrip $ Pandoc nullMeta $ toList b
d' = rewrite d
d'' = rewrite d'
d''' = rewrite d''
rewrite = html . T.pack . (++ "\n") . T.unpack .
purely (writeHtml5String def
{ writerWrapText = WrapPreserve })
tests :: [TestTree]
tests = [ testGroup "base tag"
[ test html "simple" $
"<head><base href=\"http://www.w3schools.com/images/foo\" ></head><body><img src=\"stickman.gif\" alt=\"Stickman\"></head>" =?>
plain (image "http://www.w3schools.com/images/stickman.gif" "" (text "Stickman"))
, test html "slash at end of base" $
"<head><base href=\"http://www.w3schools.com/images/\" ></head><body><img src=\"stickman.gif\" alt=\"Stickman\"></head>" =?>
plain (image "http://www.w3schools.com/images/stickman.gif" "" (text "Stickman"))
, test html "slash at beginning of href" $
"<head><base href=\"http://www.w3schools.com/images/\" ></head><body><img src=\"/stickman.gif\" alt=\"Stickman\"></head>" =?>
plain (image "http://www.w3schools.com/stickman.gif" "" (text "Stickman"))
, test html "absolute URL" $
"<head><base href=\"http://www.w3schools.com/images/\" ></head><body><img src=\"http://example.com/stickman.gif\" alt=\"Stickman\"></head>" =?>
plain (image "http://example.com/stickman.gif" "" (text "Stickman"))
]
, testGroup "anchors"
[ test html "anchor without href" $ "<a name=\"anchor\"/>" =?>
plain (spanWith ("anchor",[],[]) mempty)
]
, testGroup "lang"
[ test html "lang on <html>" $ "<html lang=\"es\">hola" =?>
setMeta "lang" (text "es") (doc (plain (text "hola")))
, test html "xml:lang on <html>" $ "<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"es\"><head></head><body>hola</body></html>" =?>
setMeta "lang" (text "es") (doc (plain (text "hola")))
]
, testGroup "main"
[ test htmlNativeDivs "<main> becomes <div role=main>" $ "<main>hello</main>" =?>
doc (divWith ("", [], [("role", "main")]) (plain (text "hello")))
, test htmlNativeDivs "<main role=X> becomes <div role=X>" $ "<main role=foobar>hello</main>" =?>
doc (divWith ("", [], [("role", "foobar")]) (plain (text "hello")))
, test htmlNativeDivs "<main> has attributes preserved" $ "<main id=foo class=bar data-baz=qux>hello</main>" =?>
doc (divWith ("foo", ["bar"], [("role", "main"), ("baz", "qux")]) (plain (text "hello")))
, test htmlNativeDivs "<main> closes <p>" $ "<p>hello<main>main content</main>" =?>
doc (para (text "hello") <> divWith ("", [], [("role", "main")]) (plain (text "main content")))
, test htmlNativeDivs "<main> followed by text" $ "<main>main content</main>non-main content" =?>
doc (divWith ("", [], [("role", "main")]) (plain (text "main content")) <> plain (text "non-main content"))
]
, testGroup "samp"
[
test html "inline samp block" $
"<samp>Answer is 42</samp>" =?>
plain (codeWith ("",["sample"],[]) "Answer is 42")
]
, testGroup "var"
[
test html "inline var block" $
"<var>result</var>" =?>
plain (codeWith ("",["variable"],[]) "result")
]
, askOption $ \(QuickCheckTests numtests) ->
testProperty "Round trip" $
withMaxSuccess (if QuickCheckTests numtests == defaultValue
then 25
else numtests) roundTrip
]
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