{-# LANGUAGE OverloadedStrings, FlexibleInstances #-}
{-# OPTIONS_GHC -fno-warn-orphans #-}
module Documentation.Haddock.ParserSpec (main, spec) where
import Data.String
import qualified Documentation.Haddock.Parser as Parse
import Documentation.Haddock.Types
import Documentation.Haddock.Doc (docAppend)
import Test.Hspec
import Test.QuickCheck
import Prelude hiding ((<>))
infixr 6 <>
(<>) :: Doc id -> Doc id -> Doc id
(<>) = docAppend
type Doc id = DocH () id
instance IsString (Doc String) where
fromString = DocString
instance IsString a => IsString (Maybe a) where
fromString = Just . fromString
emptyMeta :: Meta
emptyMeta =
Meta {
_version = Nothing
, _package = Nothing
}
parseParas :: String -> MetaDoc () String
parseParas = overDoc Parse.toRegular . Parse.parseParas Nothing
parseString :: String -> Doc String
parseString = Parse.toRegular . Parse.parseString
hyperlink :: String -> Maybe (Doc String) -> Doc String
hyperlink url = DocHyperlink . Hyperlink url
main :: IO ()
main = hspec spec
spec :: Spec
spec = do
describe "parseString" $ do
let infix 1 `shouldParseTo`
shouldParseTo :: String -> Doc String -> Expectation
shouldParseTo input ast = parseString input `shouldBe` ast
it "is total" $ do
property $ \xs ->
(length . show . parseString) xs `shouldSatisfy` (> 0)
context "when parsing text" $ do
it "can handle unicode" $ do
"灼眼のシャナ" `shouldParseTo` "灼眼のシャナ"
it "accepts numeric character references" $ do
"foo bar baz λ" `shouldParseTo` "foo bar baz λ"
it "accepts hexadecimal character references" $ do
"e" `shouldParseTo` "e"
it "allows to backslash-escape characters except \\r" $ do
property $ \y -> case y of
'\r' -> "\\\r" `shouldParseTo` DocString "\\"
x -> ['\\', x] `shouldParseTo` DocString [x]
context "when parsing strings contaning numeric character references" $ do
it "will implicitly convert digits to characters" $ do
"AAAA" `shouldParseTo` "AAAA"
"灼眼のシャナ"
`shouldParseTo` "灼眼のシャナ"
it "will implicitly convert hex encoded characters" $ do
"eeee" `shouldParseTo` "eeee"
context "when parsing identifiers" $ do
it "parses identifiers enclosed within single ticks" $ do
"'foo'" `shouldParseTo` DocIdentifier "foo"
it "parses identifiers enclosed within backticks" $ do
"`foo`" `shouldParseTo` DocIdentifier "foo"
it "parses identifiers preceded by a backtick and followed by a single quote" $ do
"`foo'" `shouldParseTo` DocIdentifier "foo"
it "parses identifiers preceded by a single quote and followed by a backtick" $ do
"'foo`" `shouldParseTo` DocIdentifier "foo"
it "can parse a constructor identifier" $ do
"'Foo'" `shouldParseTo` DocIdentifier "Foo"
it "can parse a qualified identifier" $ do
"'Foo.bar'" `shouldParseTo` DocIdentifier "Foo.bar"
it "parses a word with an one of the delimiters in it as DocString" $ do
"don't" `shouldParseTo` "don't"
it "doesn't pass pairs of delimiters with spaces between them" $ do
"hel'lo w'orld" `shouldParseTo` "hel'lo w'orld"
it "don't use apostrophe's in the wrong place's" $ do
" don't use apostrophe's in the wrong place's" `shouldParseTo`
"don't use apostrophe's in the wrong place's"
it "doesn't parse empty identifiers" $ do
"``" `shouldParseTo` "``"
it "can parse an identifier in infix notation enclosed within backticks" $ do
"``infix``" `shouldParseTo` "`" <> DocIdentifier "infix" <> "`"
it "can parse identifiers containing a single quote" $ do
"'don't'" `shouldParseTo` DocIdentifier "don't"
it "can parse identifiers ending with a single quote" $ do
"'foo''" `shouldParseTo` DocIdentifier "foo'"
it "can parse an identifier containing a digit" $ do
"'f0'" `shouldParseTo` DocIdentifier "f0"
it "can parse an identifier containing unicode characters" $ do
"'λ'" `shouldParseTo` DocIdentifier "λ"
it "can parse a single quote followed by an identifier" $ do
"''foo'" `shouldParseTo` "'" <> DocIdentifier "foo"
it "can parse an identifier that starts with an underscore" $ do
"'_x'" `shouldParseTo` DocIdentifier "_x"
it "can parse value-namespaced identifiers" $ do
"v'foo'" `shouldParseTo` DocIdentifier "foo"
it "can parse type-namespaced identifiers" $ do
"t'foo'" `shouldParseTo` DocIdentifier "foo"
context "when parsing operators" $ do
it "can parse an operator enclosed within single quotes" $ do
"'.='" `shouldParseTo` DocIdentifier ".="
it "can parse a qualified operator" $ do
"'F..'" `shouldParseTo` DocIdentifier "F.."
it "can parse a constructor operator" $ do
"':='" `shouldParseTo` DocIdentifier ":="
it "can parse a qualified constructor operator" $ do
"'F.:='" `shouldParseTo` DocIdentifier "F.:="
it "can parse a unicode operator" $ do
"'∧'" `shouldParseTo` DocIdentifier "∧"
context "when parsing URLs" $ do
it "parses a URL" $ do
"" `shouldParseTo` hyperlink "http://example.com/" Nothing
it "accepts an optional label" $ do
"" `shouldParseTo` hyperlink "http://example.com/" "some link"
it "does not accept newlines in label" $ do
"" `shouldParseTo` ""
-- new behaviour test, this will be now consistent with other markup
it "allows us to escape > inside the URL" $ do
"le.com>" `shouldParseTo`
hyperlink "http://examp>le.com" Nothing
"mp\\>le.com>" `shouldParseTo`
hyperlink "http://exa>mp>le.com" Nothing
-- Likewise in label
"oo>" `shouldParseTo`
hyperlink "http://example.com" "f>oo"
it "parses inline URLs" $ do
"foo bar" `shouldParseTo`
"foo " <> hyperlink "http://example.com/" Nothing <> " bar"
it "doesn't allow for multi-line link tags" $ do
"" `shouldParseTo` ""
context "when parsing markdown links" $ do
it "parses a simple link" $ do
"[some label](url)" `shouldParseTo`
hyperlink "url" "some label"
it "allows whitespace between label and URL" $ do
"[some label] \t (url)" `shouldParseTo`
hyperlink "url" "some label"
it "allows newlines in label" $ do
"[some\n\nlabel](url)" `shouldParseTo`
hyperlink "url" "some\n\nlabel"
it "allows escaping in label" $ do
"[some\\] label](url)" `shouldParseTo`
hyperlink "url" "some] label"
it "strips leading and trailing whitespace from label" $ do
"[ some label ](url)" `shouldParseTo`
hyperlink "url" "some label"
it "rejects whitespace in URL" $ do
"[some label]( url)" `shouldParseTo`
"[some label]( url)"
it "allows inline markup in the label" $ do
"[something /emphasized/](url)" `shouldParseTo`
hyperlink "url" (Just ("something " <> DocEmphasis "emphasized"))
context "when URL is on a separate line" $ do
it "allows URL to be on a separate line" $ do
"[some label]\n(url)" `shouldParseTo`
hyperlink "url" "some label"
it "allows leading whitespace" $ do
"[some label]\n \t (url)" `shouldParseTo`
hyperlink "url" "some label"
it "rejects additional newlines" $ do
"[some label]\n\n(url)" `shouldParseTo`
"[some label]\n\n(url)"
context "when autolinking URLs" $ do
it "autolinks HTTP URLs" $ do
"http://example.com/" `shouldParseTo` hyperlink "http://example.com/" Nothing
it "autolinks HTTPS URLs" $ do
"https://www.example.com/" `shouldParseTo` hyperlink "https://www.example.com/" Nothing
it "autolinks FTP URLs" $ do
"ftp://example.com/" `shouldParseTo` hyperlink "ftp://example.com/" Nothing
it "does not include a trailing comma" $ do
"http://example.com/, Some other sentence." `shouldParseTo`
hyperlink "http://example.com/" Nothing <> ", Some other sentence."
it "does not include a trailing dot" $ do
"http://example.com/. Some other sentence." `shouldParseTo`
hyperlink "http://example.com/" Nothing <> ". Some other sentence."
it "does not include a trailing exclamation mark" $ do
"http://example.com/! Some other sentence." `shouldParseTo`
hyperlink "http://example.com/" Nothing <> "! Some other sentence."
it "does not include a trailing question mark" $ do
"http://example.com/? Some other sentence." `shouldParseTo`
hyperlink "http://example.com/" Nothing <> "? Some other sentence."
it "autolinks URLs occuring mid-sentence with multiple ‘/’s" $ do
"foo https://example.com/example bar" `shouldParseTo`
"foo " <> hyperlink "https://example.com/example" Nothing <> " bar"
context "when parsing images" $ do
let image :: String -> Maybe String -> Doc String
image uri = DocPic . Picture uri
it "accepts markdown syntax for images" $ do
"![label](url)" `shouldParseTo` image "url" "label"
it "accepts Unicode" $ do
"![灼眼のシャナ](url)" `shouldParseTo` image "url" "灼眼のシャナ"
it "supports deprecated picture syntax" $ do
"<>" `shouldParseTo` image "baz" Nothing
it "supports title for deprecated picture syntax" $ do
"<>" `shouldParseTo` image "b" "a z"
context "when parsing display math" $ do
it "accepts markdown syntax for display math containing newlines" $ do
"\\[\\pi\n\\pi\\]" `shouldParseTo` DocMathDisplay "\\pi\n\\pi"
context "when parsing anchors" $ do
it "parses a single word anchor" $ do
"#foo#" `shouldParseTo` DocAName "foo"
it "parses a multi word anchor" $ do
"#foo bar#" `shouldParseTo` DocAName "foo bar"
it "parses a unicode anchor" $ do
"#灼眼のシャナ#" `shouldParseTo` DocAName "灼眼のシャナ"
it "does not accept newlines in anchors" $ do
"#foo\nbar#" `shouldParseTo` "#foo\nbar#"
it "accepts anchors mid-paragraph" $ do
"Hello #someAnchor# world!"
`shouldParseTo` "Hello " <> DocAName "someAnchor" <> " world!"
it "does not accept empty anchors" $ do
"##" `shouldParseTo` "##"
context "when parsing emphasised text" $ do
it "emphasises a word on its own" $ do
"/foo/" `shouldParseTo` DocEmphasis "foo"
it "emphasises inline correctly" $ do
"foo /bar/ baz" `shouldParseTo` "foo " <> DocEmphasis "bar" <> " baz"
it "emphasises unicode" $ do
"/灼眼のシャナ/" `shouldParseTo` DocEmphasis "灼眼のシャナ"
it "does not emphasise multi-line strings" $ do
" /foo\nbar/" `shouldParseTo` "/foo\nbar/"
it "does not emphasise the empty string" $ do
"//" `shouldParseTo` "//"
it "parses escaped slashes literally" $ do
"/foo\\/bar/" `shouldParseTo` DocEmphasis "foo/bar"
it "recognizes other markup constructs within emphasised text" $ do
"/foo @bar@ baz/" `shouldParseTo`
DocEmphasis ("foo " <> DocMonospaced "bar" <> " baz")
it "allows other markup inside of emphasis" $ do
"/__inner bold__/" `shouldParseTo` DocEmphasis (DocBold "inner bold")
it "doesn't mangle inner markup unicode" $ do
"/__灼眼のシャナ A__/" `shouldParseTo` DocEmphasis (DocBold "灼眼のシャナ A")
it "properly converts HTML escape sequences" $ do
"/AAAA/" `shouldParseTo` DocEmphasis "AAAA"
it "allows to escape the emphasis delimiter inside of emphasis" $ do
"/empha\\/sis/" `shouldParseTo` DocEmphasis "empha/sis"
context "when parsing monospaced text" $ do
it "parses simple monospaced text" $ do
"@foo@" `shouldParseTo` DocMonospaced "foo"
it "parses inline monospaced text" $ do
"foo @bar@ baz" `shouldParseTo` "foo " <> DocMonospaced "bar" <> " baz"
it "allows to escape @" $ do
"@foo \\@ bar@" `shouldParseTo` DocMonospaced "foo @ bar"
it "accepts unicode" $ do
"@foo 灼眼のシャナ bar@" `shouldParseTo` DocMonospaced "foo 灼眼のシャナ bar"
it "accepts other markup in monospaced text" $ do
"@/foo/@" `shouldParseTo` DocMonospaced (DocEmphasis "foo")
it "requires the closing @" $ do
"@foo /bar/ baz" `shouldParseTo` "@foo " <> DocEmphasis "bar" <> " baz"
context "when parsing bold strings" $ do
it "allows for a bold string on its own" $ do
"__bold string__" `shouldParseTo`
DocBold "bold string"
it "bolds inline correctly" $ do
"hello __everyone__ there" `shouldParseTo`
"hello "
<> DocBold "everyone" <> " there"
it "bolds unicode" $ do
"__灼眼のシャナ__" `shouldParseTo`
DocBold "灼眼のシャナ"
it "does not do __multi-line\\n bold__" $ do
" __multi-line\n bold__" `shouldParseTo` "__multi-line\n bold__"
it "allows other markup inside of bold" $ do
"__/inner emphasis/__" `shouldParseTo`
(DocBold $ DocEmphasis "inner emphasis")
it "doesn't mangle inner markup unicode" $ do
"__/灼眼のシャナ A/__" `shouldParseTo`
(DocBold $ DocEmphasis "灼眼のシャナ A")
it "properly converts HTML escape sequences" $ do
"__AAAA__" `shouldParseTo`
DocBold "AAAA"
it "allows to escape the bold delimiter inside of bold" $ do
"__bo\\__ld__" `shouldParseTo`
DocBold "bo__ld"
it "doesn't allow for empty bold" $ do
"____" `shouldParseTo` "____"
context "when parsing module strings" $ do
it "should parse a module on its own" $ do
"\"Module\"" `shouldParseTo`
DocModule "Module"
it "should parse a module inline" $ do
"This is a \"Module\"." `shouldParseTo`
"This is a " <> DocModule "Module" <> "."
it "can accept a simple module name" $ do
"\"Hello\"" `shouldParseTo` DocModule "Hello"
it "can accept a module name with dots" $ do
"\"Hello.World\"" `shouldParseTo` DocModule "Hello.World"
it "can accept a module name with unicode" $ do
"\"Hello.Worldλ\"" `shouldParseTo` DocModule "Hello.Worldλ"
it "parses a module name with a trailing dot as regular quoted string" $ do
"\"Hello.\"" `shouldParseTo` "\"Hello.\""
it "parses a module name with a space as regular quoted string" $ do
"\"Hello World\"" `shouldParseTo` "\"Hello World\""
it "parses a module name with invalid characters as regular quoted string" $ do
"\"Hello&[{}(=*)+]!\"" `shouldParseTo` "\"Hello&[{}(=*)+]!\""
it "accepts a module name with unicode" $ do
"\"Foo.Barλ\"" `shouldParseTo` DocModule "Foo.Barλ"
it "treats empty module name as regular double quotes" $ do
"\"\"" `shouldParseTo` "\"\""
it "accepts anchor reference syntax as DocModule" $ do
"\"Foo#bar\"" `shouldParseTo` DocModule "Foo#bar"
it "accepts old anchor reference syntax as DocModule" $ do
"\"Foo\\#bar\"" `shouldParseTo` DocModule "Foo\\#bar"
describe "parseParas" $ do
let infix 1 `shouldParseTo`
shouldParseTo :: String -> Doc String -> Expectation
shouldParseTo input ast = _doc (parseParas input) `shouldBe` ast
it "is total" $ do
property $ \xs ->
(length . show . parseParas) xs `shouldSatisfy` (> 0)
context "when parsing @since" $ do
it "adds specified version to the result" $ do
parseParas "@since 0.5.0" `shouldBe`
MetaDoc { _meta = emptyMeta { _version = Just [0,5,0] }
, _doc = DocEmpty }
it "ignores trailing whitespace" $ do
parseParas "@since 0.5.0 \t " `shouldBe`
MetaDoc { _meta = emptyMeta { _version = Just [0,5,0] }
, _doc = DocEmpty }
it "does not allow trailing input" $ do
parseParas "@since 0.5.0 foo" `shouldBe`
MetaDoc { _meta = emptyMeta { _version = Nothing }
, _doc = DocParagraph "@since 0.5.0 foo" }
context "when given multiple times" $ do
it "gives last occurrence precedence" $ do
(parseParas . unlines) [
"@since 0.5.0"
, "@since 0.6.0"
, "@since 0.7.0"
] `shouldBe` MetaDoc { _meta = emptyMeta { _version = Just [0,7,0] }
, _doc = DocEmpty }
context "when parsing text paragraphs" $ do
let filterSpecial = filter (`notElem` (".(=#-[*`\v\f\n\t\r\\\"'_/@<> " :: String))
it "parses an empty paragraph" $ do
"" `shouldParseTo` DocEmpty
it "parses a simple text paragraph" $ do
"foo bar baz" `shouldParseTo` DocParagraph "foo bar baz"
it "accepts markup in text paragraphs" $ do
"foo /bar/ baz" `shouldParseTo` DocParagraph ("foo " <> DocEmphasis "bar" <> " baz")
it "preserve all regular characters" $ do
property $ \xs -> let input = filterSpecial xs in (not . null) input ==>
input `shouldParseTo` DocParagraph (DocString input)
it "separates paragraphs by empty lines" $ do
unlines [
"foo"
, " \t "
, "bar"
] `shouldParseTo` DocParagraph "foo" <> DocParagraph "bar"
context "when a pragraph only contains monospaced text" $ do
it "turns it into a code block" $ do
"@foo@" `shouldParseTo` DocCodeBlock "foo"
context "when a paragraph starts with a markdown link" $ do
it "correctly parses it as a text paragraph (not a definition list)" $ do
"[label](url)" `shouldParseTo`
DocParagraph (hyperlink "url" "label")
it "can be followed by an other paragraph" $ do
"[label](url)\n\nfoobar" `shouldParseTo`
DocParagraph (hyperlink "url" "label") <> DocParagraph "foobar"
context "when paragraph contains additional text" $ do
it "accepts more text after the link" $ do
"[label](url) foo bar baz" `shouldParseTo`
DocParagraph (hyperlink "url" "label" <> " foo bar baz")
it "accepts a newline right after the markdown link" $ do
"[label](url)\nfoo bar baz" `shouldParseTo`
DocParagraph (hyperlink "url" "label" <> " foo bar baz")
it "can be followed by an other paragraph" $ do
"[label](url)foo\n\nbar" `shouldParseTo`
DocParagraph (hyperlink "url" "label" <> "foo") <> DocParagraph "bar"
context "when parsing birdtracks" $ do
it "parses them as a code block" $ do
unlines [
">foo"
, ">bar"
, ">baz"
] `shouldParseTo` DocCodeBlock "foo\nbar\nbaz"
it "ignores leading whitespace" $ do
unlines [
" >foo"
, " \t >bar"
, " >baz"
]
`shouldParseTo` DocCodeBlock "foo\nbar\nbaz"
it "strips one leading space from each line of the block" $ do
unlines [
"> foo"
, "> bar"
, "> baz"
] `shouldParseTo` DocCodeBlock "foo\n bar\nbaz"
it "ignores empty lines when stripping spaces" $ do
unlines [
"> foo"
, ">"
, "> bar"
] `shouldParseTo` DocCodeBlock "foo\n\nbar"
context "when any non-empty line does not start with a space" $ do
it "does not strip any spaces" $ do
unlines [
">foo"
, "> bar"
] `shouldParseTo` DocCodeBlock "foo\n bar"
it "ignores nested markup" $ do
unlines [
">/foo/"
] `shouldParseTo` DocCodeBlock "/foo/"
it "treats them as regular text inside text paragraphs" $ do
unlines [
"foo"
, ">bar"
] `shouldParseTo` DocParagraph "foo\n>bar"
context "when parsing code blocks" $ do
it "accepts a simple code block" $ do
unlines [
"@"
, "foo"
, "bar"
, "baz"
, "@"
] `shouldParseTo` DocCodeBlock "foo\nbar\nbaz\n"
it "ignores trailing whitespace after the opening @" $ do
unlines [
"@ "
, "foo"
, "@"
] `shouldParseTo` DocCodeBlock "foo\n"
it "rejects code blocks that are not closed" $ do
unlines [
"@"
, "foo"
] `shouldParseTo` DocParagraph "@\nfoo"
it "accepts nested markup" $ do
unlines [
"@"
, "/foo/"
, "@"
] `shouldParseTo` DocCodeBlock (DocEmphasis "foo" <> "\n")
it "allows to escape the @" $ do
unlines [
"@"
, "foo"
, "\\@"
, "bar"
, "@"
] `shouldParseTo` DocCodeBlock "foo\n@\nbar\n"
it "accepts horizontal space before the @" $ do
unlines [ " @"
, "foo"
, ""
, "bar"
, "@"
] `shouldParseTo` DocCodeBlock "foo\n\nbar\n"
it "strips a leading space from a @ block if present" $ do
unlines [ " @"
, " hello"
, " world"
, " @"
] `shouldParseTo` DocCodeBlock "hello\nworld\n"
unlines [ " @"
, " hello"
, ""
, " world"
, " @"
] `shouldParseTo` DocCodeBlock "hello\n\nworld\n"
it "only drops whitespace if there's some before closing @" $ do
unlines [ "@"
, " Formatting"
, " matters."
, "@"
]
`shouldParseTo` DocCodeBlock " Formatting\n matters.\n"
it "accepts unicode" $ do
"@foo 灼眼のシャナ bar@" `shouldParseTo` DocCodeBlock "foo 灼眼のシャナ bar"
it "requires the closing @" $ do
"@foo /bar/ baz"
`shouldParseTo` DocParagraph ("@foo " <> DocEmphasis "bar" <> " baz")
context "when parsing examples" $ do
it "parses a simple example" $ do
">>> foo" `shouldParseTo` DocExamples [Example "foo" []]
it "parses an example with result" $ do
unlines [
">>> foo"
, "bar"
, "baz"
] `shouldParseTo` DocExamples [Example "foo" ["bar", "baz"]]
it "parses consecutive examples" $ do
unlines [
">>> fib 5"
, "5"
, ">>> fib 10"
, "55"
] `shouldParseTo` DocExamples [
Example "fib 5" ["5"]
, Example "fib 10" ["55"]
]
it ("requires an example to be separated"
++ " from a previous paragraph by an empty line") $ do
"foobar\n\n>>> fib 10\n55" `shouldParseTo`
DocParagraph "foobar"
<> DocExamples [Example "fib 10" ["55"]]
it "parses bird-tracks inside of paragraphs as plain strings" $ do
let xs = "foo\n>>> bar"
xs `shouldParseTo` DocParagraph (DocString xs)
it "skips empty lines in front of an example" $ do
"\n \n\n>>> foo" `shouldParseTo` DocExamples [Example "foo" []]
it "terminates example on empty line" $ do
unlines [
">>> foo"
, "bar"
, " "
, "baz"
]
`shouldParseTo`
DocExamples [Example "foo" ["bar"]] <> DocParagraph "baz"
it "parses a result as an empty result" $ do
unlines [
">>> foo"
, "bar"
, ""
, "baz"
]
`shouldParseTo` DocExamples [Example "foo" ["bar", "", "baz"]]
it "accepts unicode in examples" $ do
">>> 灼眼\nシャナ" `shouldParseTo` DocExamples [Example "灼眼" ["シャナ"]]
context "when prompt is prefixed by whitespace" $ do
it "strips the exact same amount of whitespace from result lines" $ do
unlines [
" >>> foo"
, " bar"
, " baz"
] `shouldParseTo` DocExamples [Example "foo" ["bar", "baz"]]
it "preserves additional whitespace" $ do
unlines [
" >>> foo"
, " bar"
] `shouldParseTo` DocExamples [Example "foo" [" bar"]]
it "keeps original if stripping is not possible" $ do
unlines [
" >>> foo"
, " bar"
] `shouldParseTo` DocExamples [Example "foo" [" bar"]]
context "when parsing paragraphs nested in lists" $ do
it "can nest the same type of list" $ do
"* foo\n\n * bar" `shouldParseTo`
DocUnorderedList [ DocParagraph "foo"
<> DocUnorderedList [DocParagraph "bar"]]
it "can nest another type of list inside" $ do
"* foo\n\n 1. bar" `shouldParseTo`
DocUnorderedList [ DocParagraph "foo"
<> DocOrderedList [DocParagraph "bar"]]
it "can nest a code block inside" $ do
"* foo\n\n @foo bar baz@" `shouldParseTo`
DocUnorderedList [ DocParagraph "foo"
<> DocCodeBlock "foo bar baz"]
"* foo\n\n @\n foo bar baz\n @" `shouldParseTo`
DocUnorderedList [ DocParagraph "foo"
<> DocCodeBlock "foo bar baz\n"]
it "can nest more than one level" $ do
"* foo\n\n * bar\n\n * baz\n qux" `shouldParseTo`
DocUnorderedList [ DocParagraph "foo"
<> DocUnorderedList [ DocParagraph "bar"
<> DocUnorderedList [DocParagraph "baz\nqux"]
]
]
it "won't fail on not fully indented paragraph" $ do
"* foo\n\n * bar\n\n * qux\nquux" `shouldParseTo`
DocUnorderedList [ DocParagraph "foo"
<> DocUnorderedList [ DocParagraph "bar" ]
, DocParagraph "qux\nquux"]
it "can nest definition lists" $ do
"[a]: foo\n\n [b]: bar\n\n [c]: baz\n qux" `shouldParseTo`
DocDefList [ ("a", "foo"
<> DocDefList [ ("b", "bar"
<> DocDefList [("c", "baz\nqux")])
])
]
it "can come back to top level with a different list" $ do
"* foo\n\n * bar\n\n1. baz" `shouldParseTo`
DocUnorderedList [ DocParagraph "foo"
<> DocUnorderedList [ DocParagraph "bar" ]
]
<> DocOrderedList [ DocParagraph "baz" ]
it "allows arbitrary initial indent of a list" $ do
unlines
[ " * foo"
, " * bar"
, ""
, " * quux"
, ""
, " * baz"
]
`shouldParseTo`
DocUnorderedList
[ DocParagraph "foo"
, DocParagraph "bar"
<> DocUnorderedList [ DocParagraph "quux" ]
, DocParagraph "baz"
]
it "definition lists can come back to top level with a different list" $ do
"[foo]: foov\n\n [bar]: barv\n\n1. baz" `shouldParseTo`
DocDefList [ ("foo", "foov"
<> DocDefList [ ("bar", "barv") ])
]
<> DocOrderedList [ DocParagraph "baz" ]
it "list order is preserved in presence of nesting + extra text" $ do
"1. Foo\n\n > Some code\n\n2. Bar\n\nSome text"
`shouldParseTo`
DocOrderedList [ DocParagraph "Foo" <> DocCodeBlock "Some code"
, DocParagraph "Bar"
]
<> DocParagraph (DocString "Some text")
"1. Foo\n\n2. Bar\n\nSome text"
`shouldParseTo`
DocOrderedList [ DocParagraph "Foo"
, DocParagraph "Bar"
]
<> DocParagraph (DocString "Some text")
context "when parsing properties" $ do
it "can parse a single property" $ do
"prop> 23 == 23" `shouldParseTo` DocProperty "23 == 23"
it "can parse multiple subsequent properties" $ do
unlines [
"prop> 23 == 23"
, "prop> 42 == 42"
]
`shouldParseTo`
DocProperty "23 == 23" <> DocProperty "42 == 42"
it "accepts unicode in properties" $ do
"prop> 灼眼のシャナ ≡ 愛" `shouldParseTo`
DocProperty "灼眼のシャナ ≡ 愛"
it "can deal with whitespace before and after the prop> prompt" $ do
" prop> xs == (reverse $ reverse xs) " `shouldParseTo`
DocProperty "xs == (reverse $ reverse xs)"
context "when parsing unordered lists" $ do
it "parses a simple list" $ do
unlines [
" * one"
, " * two"
, " * three"
]
`shouldParseTo` DocUnorderedList [
DocParagraph "one"
, DocParagraph "two"
, DocParagraph "three"
]
it "ignores empty lines between list items" $ do
unlines [
"* one"
, ""
, "* two"
]
`shouldParseTo` DocUnorderedList [
DocParagraph "one"
, DocParagraph "two"
]
it "accepts an empty list item" $ do
"*" `shouldParseTo` DocUnorderedList [DocParagraph DocEmpty]
it "accepts multi-line list items" $ do
unlines [
"* point one"
, " more one"
, "* point two"
, "more two"
]
`shouldParseTo` DocUnorderedList [
DocParagraph "point one\n more one"
, DocParagraph "point two\nmore two"
]
it "accepts markup in list items" $ do
"* /foo/" `shouldParseTo` DocUnorderedList [DocParagraph (DocEmphasis "foo")]
it "requires empty lines between list and other paragraphs" $ do
unlines [
"foo"
, ""
, "* bar"
, ""
, "baz"
]
`shouldParseTo` DocParagraph "foo" <> DocUnorderedList [DocParagraph "bar"] <> DocParagraph "baz"
context "when parsing ordered lists" $ do
it "parses a simple list" $ do
unlines [
" 1. one"
, " (1) two"
, " 3. three"
]
`shouldParseTo` DocOrderedList [
DocParagraph "one"
, DocParagraph "two"
, DocParagraph "three"
]
it "ignores empty lines between list items" $ do
unlines [
"1. one"
, ""
, "2. two"
]
`shouldParseTo` DocOrderedList [
DocParagraph "one"
, DocParagraph "two"
]
it "accepts an empty list item" $ do
"1." `shouldParseTo` DocOrderedList [DocParagraph DocEmpty]
it "accepts multi-line list items" $ do
unlines [
"1. point one"
, " more one"
, "1. point two"
, "more two"
]
`shouldParseTo` DocOrderedList [
DocParagraph "point one\n more one"
, DocParagraph "point two\nmore two"
]
it "accepts markup in list items" $ do
"1. /foo/" `shouldParseTo` DocOrderedList [DocParagraph (DocEmphasis "foo")]
it "requires empty lines between list and other paragraphs" $ do
unlines [
"foo"
, ""
, "1. bar"
, ""
, "baz"
]
`shouldParseTo` DocParagraph "foo" <> DocOrderedList [DocParagraph "bar"] <> DocParagraph "baz"
context "when parsing definition lists" $ do
it "parses a simple list" $ do
unlines [
" [foo]: one"
, " [bar]: two"
, " [baz]: three"
]
`shouldParseTo` DocDefList [
("foo", "one")
, ("bar", "two")
, ("baz", "three")
]
it "ignores empty lines between list items" $ do
unlines [
"[foo]: one"
, ""
, "[bar]: two"
]
`shouldParseTo` DocDefList [
("foo", "one")
, ("bar", "two")
]
it "accepts an empty list item" $ do
"[foo]:" `shouldParseTo` DocDefList [("foo", DocEmpty)]
it "accepts multi-line list items" $ do
unlines [
"[foo]: point one"
, " more one"
, "[bar]: point two"
, "more two"
]
`shouldParseTo` DocDefList [
("foo", "point one\n more one")
, ("bar", "point two\nmore two")
]
it "accepts markup in list items" $ do
"[foo]: /foo/" `shouldParseTo` DocDefList [("foo", DocEmphasis "foo")]
it "accepts markup for the label" $ do
"[/foo/]: bar" `shouldParseTo` DocDefList [(DocEmphasis "foo", "bar")]
it "requires empty lines between list and other paragraphs" $ do
unlines [
"foo"
, ""
, "[foo]: bar"
, ""
, "baz"
]
`shouldParseTo` DocParagraph "foo" <> DocDefList [("foo", "bar")] <> DocParagraph "baz"
it "dose not require the colon (deprecated - this will be removed in a future release)" $ do
unlines [
" [foo] one"
, " [bar] two"
, " [baz] three"
]
`shouldParseTo` DocDefList [
("foo", "one")
, ("bar", "two")
, ("baz", "three")
]
context "when parsing consecutive paragraphs" $ do
it "will not capture irrelevant consecutive lists" $ do
unlines [ " * bullet"
, ""
, ""
, " - different bullet"
, ""
, ""
, " (1) ordered"
, " "
, " 2. different bullet"
, " "
, " [cat]: kitten"
, " "
, " [pineapple]: fruit"
] `shouldParseTo`
DocUnorderedList [ DocParagraph "bullet"
, DocParagraph "different bullet"]
<> DocOrderedList [ DocParagraph "ordered"
, DocParagraph "different bullet"
]
<> DocDefList [ ("cat", "kitten")
, ("pineapple", "fruit")
]
context "when parsing function documentation headers" $ do
it "can parse a simple header" $ do
"= Header 1\nHello." `shouldParseTo`
(DocHeader (Header 1 "Header 1"))
<> DocParagraph "Hello."
it "allow consecutive headers" $ do
"= Header 1\n== Header 2" `shouldParseTo`
DocHeader (Header 1 "Header 1")
<> DocHeader (Header 2 "Header 2")
it "accepts markup in the header" $ do
"= /Header/ __1__\nFoo" `shouldParseTo`
DocHeader (Header 1 (DocEmphasis "Header" <> " " <> DocBold "1"))
<> DocParagraph "Foo"