test/Tests/Readers/HTML.hs · typeable/pandoc

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typeable/pandoc/test/Tests/Readers/HTML.hs

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1{-# LANGUAGE NoImplicitPrelude #-}

2{-# LANGUAGE OverloadedStrings #-}

3{- |

4 Module : Tests.Readers.HTML

6 License : GNU GPL, version 2 or above

8 Maintainer : John MacFarlane <jgm@berkeley.edu>

9 Stability : alpha

10 Portability : portable

12Tests for the HTML reader.

13-}

14module Tests.Readers.HTML (tests) where

16import Prelude

17import Data.Text (Text)

18import qualified Data.Text as T

19import Test.Tasty

20import Test.Tasty.QuickCheck

21import Test.Tasty.Options (IsOption(defaultValue))

22import Tests.Helpers

23import Text.Pandoc

24import Text.Pandoc.Shared (isHeaderBlock)

25import Text.Pandoc.Arbitrary ()

26import Text.Pandoc.Builder

27import Text.Pandoc.Walk (walk)

29html :: Text -> Pandoc

30html = purely $ readHtml def

32htmlNativeDivs :: Text -> Pandoc

33htmlNativeDivs = purely $ readHtml def { readerExtensions = enableExtension Ext_native_divs $ readerExtensions def }

35makeRoundTrip :: Block -> Block

36makeRoundTrip CodeBlock{} = Para [Str "code block was here"]

37makeRoundTrip LineBlock{} = Para [Str "line block was here"]

38makeRoundTrip RawBlock{} = Para [Str "raw block was here"]

39makeRoundTrip (Div attr bs) = Div attr $ filter (not . isHeaderBlock) bs

40-- avoids round-trip failures related to makeSections

41-- e.g. with [Div ("loc",[],[("a","11"),("b_2","a b c")]) [Header 3 ("",[],[]) []]]

42makeRoundTrip x = x

44removeRawInlines :: Inline -> Inline

45removeRawInlines RawInline{} = Str "raw inline was here"

46removeRawInlines x = x

48roundTrip :: Blocks -> Bool

49roundTrip b = d'' == d'''

50 where d = walk removeRawInlines $

51 walk makeRoundTrip $ Pandoc nullMeta $ toList b

52 d' = rewrite d

53 d'' = rewrite d'

54 d''' = rewrite d''

55 rewrite = html . T.pack . (++ "\n") . T.unpack .

56 purely (writeHtml5String def

57 { writerWrapText = WrapPreserve })

59tests :: [TestTree]

60tests = [ testGroup "base tag"

61 [ test html "simple" $

62 "<head><base href=\"http://www.w3schools.com/images/foo\" ></head><body><img src=\"stickman.gif\" alt=\"Stickman\"></head>" =?>

63 plain (image "http://www.w3schools.com/images/stickman.gif" "" (text "Stickman"))

64 , test html "slash at end of base" $

65 "<head><base href=\"http://www.w3schools.com/images/\" ></head><body><img src=\"stickman.gif\" alt=\"Stickman\"></head>" =?>

66 plain (image "http://www.w3schools.com/images/stickman.gif" "" (text "Stickman"))

67 , test html "slash at beginning of href" $

68 "<head><base href=\"http://www.w3schools.com/images/\" ></head><body><img src=\"/stickman.gif\" alt=\"Stickman\"></head>" =?>

69 plain (image "http://www.w3schools.com/stickman.gif" "" (text "Stickman"))

70 , test html "absolute URL" $

71 "<head><base href=\"http://www.w3schools.com/images/\" ></head><body><img src=\"http://example.com/stickman.gif\" alt=\"Stickman\"></head>" =?>

72 plain (image "http://example.com/stickman.gif" "" (text "Stickman"))

73 ]

74 , testGroup "anchors"

75 [ test html "anchor without href" $ "<a name=\"anchor\"/>" =?>

76 plain (spanWith ("anchor",[],[]) mempty)

77 ]

78 , testGroup "lang"

79 [ test html "lang on <html>" $ "<html lang=\"es\">hola" =?>

80 setMeta "lang" (text "es") (doc (plain (text "hola")))

81 , test html "xml:lang on <html>" $ "<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"es\"><head></head><body>hola</body></html>" =?>

82 setMeta "lang" (text "es") (doc (plain (text "hola")))

83 ]

84 , testGroup "main"

85 [ test htmlNativeDivs "<main> becomes <div role=main>" $ "<main>hello</main>" =?>

86 doc (divWith ("", [], [("role", "main")]) (plain (text "hello")))

87 , test htmlNativeDivs "<main role=X> becomes <div role=X>" $ "<main role=foobar>hello</main>" =?>

88 doc (divWith ("", [], [("role", "foobar")]) (plain (text "hello")))

89 , test htmlNativeDivs "<main> has attributes preserved" $ "<main id=foo class=bar data-baz=qux>hello</main>" =?>

90 doc (divWith ("foo", ["bar"], [("role", "main"), ("baz", "qux")]) (plain (text "hello")))

91 , test htmlNativeDivs "<main> closes <p>" $ "<p>hello<main>main content</main>" =?>

92 doc (para (text "hello") <> divWith ("", [], [("role", "main")]) (plain (text "main content")))

93 , test htmlNativeDivs "<main> followed by text" $ "<main>main content</main>non-main content" =?>

94 doc (divWith ("", [], [("role", "main")]) (plain (text "main content")) <> plain (text "non-main content"))

95 ]

96 , testGroup "samp"

97 [

98 test html "inline samp block" $

99 "<samp>Answer is 42</samp>" =?>

100 plain (codeWith ("",["sample"],[]) "Answer is 42")

101 ]

102 , testGroup "var"

103 [

104 test html "inline var block" $

105 "<var>result</var>" =?>

106 plain (codeWith ("",["variable"],[]) "result")

107 ]

108 , askOption $ \(QuickCheckTests numtests) ->

109 testProperty "Round trip" $

110 withMaxSuccess (if QuickCheckTests numtests == defaultValue

111 then 25

112 else numtests) roundTrip

113 ]