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Diffstat (limited to '')
| -rw-r--r-- | tests/link_resource.rs | 464 |
1 files changed, 464 insertions, 0 deletions
diff --git a/tests/link_resource.rs b/tests/link_resource.rs new file mode 100644 index 0000000..b1e1905 --- /dev/null +++ b/tests/link_resource.rs @@ -0,0 +1,464 @@ +extern crate micromark; +use micromark::{micromark, micromark_with_options, Options}; + +const DANGER: &Options = &Options { + allow_dangerous_html: true, + allow_dangerous_protocol: true, + default_line_ending: None, +}; + +#[test] +fn link_resource() { + assert_eq!( + micromark("[link](/uri \"title\")"), + "<p><a href=\"/uri\" title=\"title\">link</a></p>", + "should support links" + ); + + assert_eq!( + micromark("[link](/uri)"), + "<p><a href=\"/uri\">link</a></p>", + "should support links w/o title" + ); + + assert_eq!( + micromark("[link]()"), + "<p><a href=\"\">link</a></p>", + "should support links w/o destination" + ); + + assert_eq!( + micromark("[link](<>)"), + "<p><a href=\"\">link</a></p>", + "should support links w/ empty enclosed destination" + ); + + assert_eq!( + micromark("[link](/my uri)"), + "<p>[link](/my uri)</p>", + "should not support links w/ spaces in destination" + ); + + assert_eq!( + micromark("[link](</my uri>)"), + "<p><a href=\"/my%20uri\">link</a></p>", + "should support links w/ spaces in enclosed destination" + ); + + assert_eq!( + micromark("[link](foo\nbar)"), + "<p>[link](foo\nbar)</p>", + "should not support links w/ line endings in destination" + ); + + assert_eq!( + micromark_with_options("[link](<foo\nbar>)", DANGER), + "<p>[link](<foo\nbar>)</p>", + "should not support links w/ line endings in enclosed destination" + ); + + assert_eq!( + micromark("[a](<b)c>)"), + "<p><a href=\"b)c\">a</a></p>", + "should support links w/ closing parens in destination" + ); + + assert_eq!( + micromark("[link](<foo\\>)"), + "<p>[link](<foo>)</p>", + "should not support links w/ enclosed destinations w/o end" + ); + + assert_eq!( + micromark_with_options("[a](<b)c\n[a](<b)c>\n[a](<b>c)", DANGER), + "<p>[a](<b)c\n[a](<b)c>\n[a](<b>c)</p>", + "should not support links w/ unmatched enclosed destinations" + ); + + assert_eq!( + micromark("[link](\\(foo\\))"), + "<p><a href=\"(foo)\">link</a></p>", + "should support links w/ destinations w/ escaped parens" + ); + + assert_eq!( + micromark("[link](foo(and(bar)))"), + "<p><a href=\"foo(and(bar))\">link</a></p>", + "should support links w/ destinations w/ balanced parens" + ); + + assert_eq!( + micromark("[link](foo\\(and\\(bar\\))"), + "<p><a href=\"foo(and(bar)\">link</a></p>", + "should support links w/ destinations w/ escaped parens" + ); + + assert_eq!( + micromark("[link](<foo(and(bar)>)"), + "<p><a href=\"foo(and(bar)\">link</a></p>", + "should support links w/ enclosed destinations w/ parens" + ); + + assert_eq!( + micromark_with_options("[link](foo\\)\\:)", DANGER), + "<p><a href=\"foo):\">link</a></p>", + "should support links w/ escapes in destinations" + ); + + assert_eq!( + micromark("[link](#fragment)"), + "<p><a href=\"#fragment\">link</a></p>", + "should support links w/ destinations to fragments" + ); + + assert_eq!( + micromark("[link](http://example.com#fragment)"), + "<p><a href=\"http://example.com#fragment\">link</a></p>", + "should support links w/ destinations to URLs w/ fragments" + ); + + assert_eq!( + micromark("[link](http://example.com?foo=3#frag)"), + "<p><a href=\"http://example.com?foo=3#frag\">link</a></p>", + "should support links w/ destinations to URLs w/ search and fragments" + ); + + assert_eq!( + micromark("[link](foo\\bar)"), + "<p><a href=\"foo%5Cbar\">link</a></p>", + "should not support non-punctuation character escapes in links" + ); + + assert_eq!( + micromark("[link](foo%20bä)"), + "<p><a href=\"foo%20b%C3%A4\">link</a></p>", + "should support character references in links" + ); + + assert_eq!( + micromark("[link](\"title\")"), + "<p><a href=\"%22title%22\">link</a></p>", + "should not support links w/ only a title" + ); + + assert_eq!( + micromark("[link](/url \"title\")"), + "<p><a href=\"/url\" title=\"title\">link</a></p>", + "should support titles w/ double quotes" + ); + + assert_eq!( + micromark("[link](/url 'title')"), + "<p><a href=\"/url\" title=\"title\">link</a></p>", + "should support titles w/ single quotes" + ); + + assert_eq!( + micromark("[link](/url (title))"), + "<p><a href=\"/url\" title=\"title\">link</a></p>", + "should support titles w/ parens" + ); + + assert_eq!( + micromark("[link](/url \"title \\\""\")"), + "<p><a href=\"/url\" title=\"title ""\">link</a></p>", + "should support character references and escapes in titles" + ); + + assert_eq!( + micromark("[link](/url \"title\")"), + "<p><a href=\"/url%C2%A0%22title%22\">link</a></p>", + "should not support unicode whitespace between destination and title" + ); + + assert_eq!( + micromark("[link](/url \"title \"and\" title\")"), + "<p>[link](/url "title "and" title")</p>", + "should not support nested balanced quotes in title" + ); + + assert_eq!( + micromark("[link](/url 'title \"and\" title')"), + "<p><a href=\"/url\" title=\"title "and" title\">link</a></p>", + "should support the other quotes in titles" + ); + + assert_eq!( + micromark("[link]( /uri\n \"title\" )"), + "<p><a href=\"/uri\" title=\"title\">link</a></p>", + "should support whitespace around destination and title (1)" + ); + + assert_eq!( + micromark("[link](\t\n/uri \"title\")"), + "<p><a href=\"/uri\" title=\"title\">link</a></p>", + "should support whitespace around destination and title (2)" + ); + + assert_eq!( + micromark("[link](/uri \"title\"\t\n)"), + "<p><a href=\"/uri\" title=\"title\">link</a></p>", + "should support whitespace around destination and title (3)" + ); + + assert_eq!( + micromark("[link] (/uri)"), + "<p>[link] (/uri)</p>", + "should not support whitespace between label and resource" + ); + + assert_eq!( + micromark("[link [foo [bar]]](/uri)"), + "<p><a href=\"/uri\">link [foo [bar]]</a></p>", + "should support balanced brackets" + ); + + assert_eq!( + micromark("[link] bar](/uri)"), + "<p>[link] bar](/uri)</p>", + "should not support unbalanced brackets (1)" + ); + + assert_eq!( + micromark("[link [bar](/uri)"), + "<p>[link <a href=\"/uri\">bar</a></p>", + "should not support unbalanced brackets (2)" + ); + + assert_eq!( + micromark("[link \\[bar](/uri)"), + "<p><a href=\"/uri\">link [bar</a></p>", + "should support characer escapes" + ); + + // To do: attention. + // assert_eq!( + // micromark("[link *foo **bar** `#`*](/uri)"), + // "<p><a href=\"/uri\">link <em>foo <strong>bar</strong> <code>#</code></em></a></p>", + // "should support content" + // ); + + assert_eq!( + micromark("[](/uri)"), + "<p><a href=\"/uri\"><img src=\"moon.jpg\" alt=\"moon\" /></a></p>", + "should support an image as content" + ); + + assert_eq!( + micromark("[foo [bar](/uri)](/uri)"), + "<p>[foo <a href=\"/uri\">bar</a>](/uri)</p>", + "should not support links in links (1)" + ); + + // To do: attention. + // assert_eq!( + // micromark("[foo *[bar [baz](/uri)](/uri)*](/uri)"), + // "<p>[foo <em>[bar <a href=\"/uri\">baz</a>](/uri)</em>](/uri)</p>", + // "should not support links in links (2)" + // ); + + // To do: tags in images. + // assert_eq!( + // micromark("](uri2)](uri3)"), + // "<p><img src=\"uri3\" alt=\"[foo](uri2)\" /></p>", + // "should not support links in links (3)" + // ); + + assert_eq!( + micromark("*[foo*](/uri)"), + "<p>*<a href=\"/uri\">foo*</a></p>", + "should prefer links over emphasis (1)" + ); + + assert_eq!( + micromark("[foo *bar](baz*)"), + "<p><a href=\"baz*\">foo *bar</a></p>", + "should prefer links over emphasis (2)" + ); + + assert_eq!( + micromark_with_options("[foo <bar attr=\"](baz)\">", DANGER), + "<p>[foo <bar attr=\"](baz)\"></p>", + "should prefer HTML over links" + ); + + assert_eq!( + micromark("[foo`](/uri)`"), + "<p>[foo<code>](/uri)</code></p>", + "should prefer code over links" + ); + + assert_eq!( + micromark("[foo<http://example.com/?search=](uri)>"), + "<p>[foo<a href=\"http://example.com/?search=%5D(uri)\">http://example.com/?search=](uri)</a></p>", + "should prefer autolinks over links" + ); + + assert_eq!( + micromark("[foo<http://example.com/?search=](uri)>"), + "<p>[foo<a href=\"http://example.com/?search=%5D(uri)\">http://example.com/?search=](uri)</a></p>", + "should prefer autolinks over links" + ); + + // Extra + assert_eq!( + micromark("[]()"), + "<p><a href=\"\"></a></p>", + "should support an empty link" + ); + + // See: <https://github.com/commonmark/commonmark.js/issues/192> + assert_eq!( + micromark("[](<> \"\")"), + "<p><a href=\"\"></a></p>", + "should ignore an empty title" + ); + + assert_eq!( + micromark_with_options("[a](<b>\"c\")", DANGER), + "<p>[a](<b>"c")</p>", + "should require whitespace between enclosed destination and title" + ); + + assert_eq!( + micromark("[](<"), + "<p>[](<</p>", + "should not support an unclosed enclosed destination" + ); + + assert_eq!( + micromark("[]("), + "<p>[](</p>", + "should not support an unclosed destination" + ); + + assert_eq!( + micromark("[](\\<)"), + "<p><a href=\"%3C\"></a></p>", + "should support unenclosed link destination starting w/ escapes" + ); + + assert_eq!( + micromark("[](<\\<>)"), + "<p><a href=\"%3C\"></a></p>", + "should support enclosed link destination starting w/ escapes" + ); + + assert_eq!( + micromark("[](\\"), + "<p>[](\\</p>", + "should not support unenclosed link destination starting w/ an incorrect escape" + ); + + assert_eq!( + micromark("[](<\\"), + "<p>[](<\\</p>", + "should not support enclosed link destination starting w/ an incorrect escape" + ); + + assert_eq!( + micromark("[](a \""), + "<p>[](a "</p>", + "should not support an eof in a link title (1)" + ); + + assert_eq!( + micromark("[](a '"), + "<p>[](a '</p>", + "should not support an eof in a link title (2)" + ); + + assert_eq!( + micromark("[](a ("), + "<p>[](a (</p>", + "should not support an eof in a link title (3)" + ); + + assert_eq!( + micromark("[](a \"\\"), + "<p>[](a "\\</p>", + "should not support an eof in a link title escape (1)" + ); + + assert_eq!( + micromark("[](a '\\"), + "<p>[](a '\\</p>", + "should not support an eof in a link title escape (2)" + ); + + assert_eq!( + micromark("[](a (\\"), + "<p>[](a (\\</p>", + "should not support an eof in a link title escape (3)" + ); + + assert_eq!( + micromark("[](a \"\\\"\")"), + "<p><a href=\"a\" title=\""\"></a></p>", + "should support a character escape to start a link title (1)" + ); + + assert_eq!( + micromark("[](a '\\'')"), + "<p><a href=\"a\" title=\"\'\"></a></p>", + "should support a character escape to start a link title (2)" + ); + + assert_eq!( + micromark("[](a (\\)))"), + "<p><a href=\"a\" title=\")\"></a></p>", + "should support a character escape to start a link title (3)" + ); + + assert_eq!( + micromark("[&©&](example.com/&©& \"&©&\")"), + "<p><a href=\"example.com/&%C2%A9&\" title=\"&©&\">&©&</a></p>", + "should support character references in links" + ); + + assert_eq!( + micromark("[a](1())"), + "<p><a href=\"1()\">a</a></p>", + "should support 1 set of parens" + ); + + assert_eq!( + micromark("[a](1(2()))"), + "<p><a href=\"1(2())\">a</a></p>", + "should support 2 sets of parens" + ); + + assert_eq!( + micromark( + "[a](1(2(3(4(5(6(7(8(9(10(11(12(13(14(15(16(17(18(19(20(21(22(23(24(25(26(27(28(29(30(31(32()))))))))))))))))))))))))))))))))" + ), + "<p><a href=\"1(2(3(4(5(6(7(8(9(10(11(12(13(14(15(16(17(18(19(20(21(22(23(24(25(26(27(28(29(30(31(32())))))))))))))))))))))))))))))))\">a</a></p>", + "should support 32 sets of parens" + ); + + assert_eq!( + micromark( + "[a](1(2(3(4(5(6(7(8(9(10(11(12(13(14(15(16(17(18(19(20(21(22(23(24(25(26(27(28(29(30(31(32(33())))))))))))))))))))))))))))))))))" + ), + "<p>[a](1(2(3(4(5(6(7(8(9(10(11(12(13(14(15(16(17(18(19(20(21(22(23(24(25(26(27(28(29(30(31(32(33())))))))))))))))))))))))))))))))))</p>", + "should not support 33 or more sets of parens" + ); + + assert_eq!( + micromark("[a](b \"\n c\")"), + "<p><a href=\"b\" title=\"\nc\">a</a></p>", + "should support an eol at the start of a title" + ); + + assert_eq!( + micromark("[a](b( \"c\")"), + "<p>[a](b( "c")</p>", + "should not support whitespace when unbalanced in a raw destination" + ); + + assert_eq!( + micromark("[a](\0)"), + "<p><a href=\"%EF%BF%BD\">a</a></p>", + "should support a single NUL character as a link resource" + ); +} |