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//
// Blackfriday Markdown Processor
// Available at http://github.com/russross/blackfriday
//
// Copyright © 2011 Russ Ross <russ@russross.com>.
// Distributed under the Simplified BSD License.
// See README.md for details.
//
//
// Unit tests for inline parsing
//
package blackfriday
import (
"testing"
)
func runMarkdownInline(input string, extensions, htmlFlags int) string {
extensions |= EXTENSION_AUTOLINK
extensions |= EXTENSION_STRIKETHROUGH
htmlFlags |= HTML_USE_XHTML
renderer := HtmlRenderer(htmlFlags, "", "")
return string(Markdown([]byte(input), renderer, extensions))
}
func doTestsInline(t *testing.T, tests []string) {
doTestsInlineParam(t, tests, 0, 0)
}
func doTestsInlineParam(t *testing.T, tests []string, extensions, htmlFlags int) {
// catch and report panics
var candidate string
defer func() {
if err := recover(); err != nil {
t.Errorf("\npanic while processing [%#v]\n", candidate)
}
}()
for i := 0; i+1 < len(tests); i += 2 {
input := tests[i]
candidate = input
expected := tests[i+1]
actual := runMarkdownInline(candidate, extensions, htmlFlags)
if actual != expected {
t.Errorf("\nInput [%#v]\nExpected[%#v]\nActual [%#v]",
candidate, expected, actual)
}
// now test every substring to stress test bounds checking
if !testing.Short() {
for start := 0; start < len(input); start++ {
for end := start + 1; end <= len(input); end++ {
candidate = input[start:end]
_ = runMarkdownInline(candidate, extensions, htmlFlags)
}
}
}
}
}
func TestRawHtmlTag(t *testing.T) {
tests := []string{
"zz <style>p {}</style>\n",
"<p>zz p {}</p>\n",
"zz <STYLE>p {}</STYLE>\n",
"<p>zz p {}</p>\n",
"<SCRIPT>alert()</SCRIPT>\n",
"<p>alert()</p>\n",
"zz <SCRIPT>alert()</SCRIPT>\n",
"<p>zz alert()</p>\n",
"zz <script>alert()</script>\n",
"<p>zz alert()</p>\n",
" <script>alert()</script>\n",
"<p>alert()</p>\n",
"<script>alert()</script>\n",
"<p>alert()</p>\n",
"<script src='foo'></script>\n",
"<p></p>\n",
"zz <script src='foo'></script>\n",
"<p>zz </p>\n",
"zz <script src=foo></script>\n",
"<p>zz </p>\n",
}
doTestsInlineParam(t, tests, 0, HTML_SKIP_STYLE|HTML_SKIP_SCRIPT)
}
func TestEmphasis(t *testing.T) {
var tests = []string{
"nothing inline\n",
"<p>nothing inline</p>\n",
"simple *inline* test\n",
"<p>simple <em>inline</em> test</p>\n",
"*at the* beginning\n",
"<p><em>at the</em> beginning</p>\n",
"at the *end*\n",
"<p>at the <em>end</em></p>\n",
"*try two* in *one line*\n",
"<p><em>try two</em> in <em>one line</em></p>\n",
"over *two\nlines* test\n",
"<p>over <em>two\nlines</em> test</p>\n",
"odd *number of* markers* here\n",
"<p>odd <em>number of</em> markers* here</p>\n",
"odd *number\nof* markers* here\n",
"<p>odd <em>number\nof</em> markers* here</p>\n",
"simple _inline_ test\n",
"<p>simple <em>inline</em> test</p>\n",
"_at the_ beginning\n",
"<p><em>at the</em> beginning</p>\n",
"at the _end_\n",
"<p>at the <em>end</em></p>\n",
"_try two_ in _one line_\n",
"<p><em>try two</em> in <em>one line</em></p>\n",
"over _two\nlines_ test\n",
"<p>over <em>two\nlines</em> test</p>\n",
"odd _number of_ markers_ here\n",
"<p>odd <em>number of</em> markers_ here</p>\n",
"odd _number\nof_ markers_ here\n",
"<p>odd <em>number\nof</em> markers_ here</p>\n",
"mix of *markers_\n",
"<p>mix of *markers_</p>\n",
}
doTestsInline(t, tests)
}
func TestStrong(t *testing.T) {
var tests = []string{
"nothing inline\n",
"<p>nothing inline</p>\n",
"simple **inline** test\n",
"<p>simple <strong>inline</strong> test</p>\n",
"**at the** beginning\n",
"<p><strong>at the</strong> beginning</p>\n",
"at the **end**\n",
"<p>at the <strong>end</strong></p>\n",
"**try two** in **one line**\n",
"<p><strong>try two</strong> in <strong>one line</strong></p>\n",
"over **two\nlines** test\n",
"<p>over <strong>two\nlines</strong> test</p>\n",
"odd **number of** markers** here\n",
"<p>odd <strong>number of</strong> markers** here</p>\n",
"odd **number\nof** markers** here\n",
"<p>odd <strong>number\nof</strong> markers** here</p>\n",
"simple __inline__ test\n",
"<p>simple <strong>inline</strong> test</p>\n",
"__at the__ beginning\n",
"<p><strong>at the</strong> beginning</p>\n",
"at the __end__\n",
"<p>at the <strong>end</strong></p>\n",
"__try two__ in __one line__\n",
"<p><strong>try two</strong> in <strong>one line</strong></p>\n",
"over __two\nlines__ test\n",
"<p>over <strong>two\nlines</strong> test</p>\n",
"odd __number of__ markers__ here\n",
"<p>odd <strong>number of</strong> markers__ here</p>\n",
"odd __number\nof__ markers__ here\n",
"<p>odd <strong>number\nof</strong> markers__ here</p>\n",
"mix of **markers__\n",
"<p>mix of **markers__</p>\n",
}
doTestsInline(t, tests)
}
func TestEmphasisMix(t *testing.T) {
var tests = []string{
"***triple emphasis***\n",
"<p><strong><em>triple emphasis</em></strong></p>\n",
"***triple\nemphasis***\n",
"<p><strong><em>triple\nemphasis</em></strong></p>\n",
"___triple emphasis___\n",
"<p><strong><em>triple emphasis</em></strong></p>\n",
"***triple emphasis___\n",
"<p>***triple emphasis___</p>\n",
"*__triple emphasis__*\n",
"<p><em><strong>triple emphasis</strong></em></p>\n",
"__*triple emphasis*__\n",
"<p><strong><em>triple emphasis</em></strong></p>\n",
"**improper *nesting** is* bad\n",
"<p><strong>improper *nesting</strong> is* bad</p>\n",
"*improper **nesting* is** bad\n",
"<p><em>improper **nesting</em> is** bad</p>\n",
}
doTestsInline(t, tests)
}
func TestStrikeThrough(t *testing.T) {
var tests = []string{
"nothing inline\n",
"<p>nothing inline</p>\n",
"simple ~~inline~~ test\n",
"<p>simple <del>inline</del> test</p>\n",
"~~at the~~ beginning\n",
"<p><del>at the</del> beginning</p>\n",
"at the ~~end~~\n",
"<p>at the <del>end</del></p>\n",
"~~try two~~ in ~~one line~~\n",
"<p><del>try two</del> in <del>one line</del></p>\n",
"over ~~two\nlines~~ test\n",
"<p>over <del>two\nlines</del> test</p>\n",
"odd ~~number of~~ markers~~ here\n",
"<p>odd <del>number of</del> markers~~ here</p>\n",
"odd ~~number\nof~~ markers~~ here\n",
"<p>odd <del>number\nof</del> markers~~ here</p>\n",
}
doTestsInline(t, tests)
}
func TestCodeSpan(t *testing.T) {
var tests = []string{
"`source code`\n",
"<p><code>source code</code></p>\n",
"` source code with spaces `\n",
"<p><code>source code with spaces</code></p>\n",
"` source code with spaces `not here\n",
"<p><code>source code with spaces</code>not here</p>\n",
"a `single marker\n",
"<p>a `single marker</p>\n",
"a single multi-tick marker with ``` no text\n",
"<p>a single multi-tick marker with ``` no text</p>\n",
"markers with ` ` a space\n",
"<p>markers with a space</p>\n",
"`source code` and a `stray\n",
"<p><code>source code</code> and a `stray</p>\n",
"`source *with* _awkward characters_ in it`\n",
"<p><code>source *with* _awkward characters_ in it</code></p>\n",
"`split over\ntwo lines`\n",
"<p><code>split over\ntwo lines</code></p>\n",
"```multiple ticks``` for the marker\n",
"<p><code>multiple ticks</code> for the marker</p>\n",
"```multiple ticks `with` ticks inside```\n",
"<p><code>multiple ticks `with` ticks inside</code></p>\n",
}
doTestsInline(t, tests)
}
func TestLineBreak(t *testing.T) {
var tests = []string{
"this line \nhas a break\n",
"<p>this line<br />\nhas a break</p>\n",
"this line \ndoes not\n",
"<p>this line\ndoes not</p>\n",
"this has an \nextra space\n",
"<p>this has an<br />\nextra space</p>\n",
}
doTestsInline(t, tests)
}
func TestInlineLink(t *testing.T) {
var tests = []string{
"[foo](/bar/)\n",
"<p><a href=\"/bar/\">foo</a></p>\n",
"[foo with a title](/bar/ \"title\")\n",
"<p><a href=\"/bar/\" title=\"title\">foo with a title</a></p>\n",
"[foo with a title](/bar/\t\"title\")\n",
"<p><a href=\"/bar/\" title=\"title\">foo with a title</a></p>\n",
"[foo with a title](/bar/ \"title\" )\n",
"<p><a href=\"/bar/\" title=\"title\">foo with a title</a></p>\n",
"[foo with a title](/bar/ title with no quotes)\n",
"<p><a href=\"/bar/ title with no quotes\">foo with a title</a></p>\n",
"[foo]()\n",
"<p>[foo]()</p>\n",
"\n",
"<p><img src=\"/bar/\" alt=\"foo\" />\n</p>\n",
"![foo with a title](/bar/ \"title\")\n",
"<p><img src=\"/bar/\" alt=\"foo with a title\" title=\"title\" />\n</p>\n",
"![foo with a title](/bar/\t\"title\")\n",
"<p><img src=\"/bar/\" alt=\"foo with a title\" title=\"title\" />\n</p>\n",
"![foo with a title](/bar/ \"title\" )\n",
"<p><img src=\"/bar/\" alt=\"foo with a title\" title=\"title\" />\n</p>\n",
"\n",
"<p><img src=\"/bar/ title with no quotes\" alt=\"foo with a title\" />\n</p>\n",
"![foo]()\n",
"<p>![foo]()</p>\n",
"[a link]\t(/with_a_tab/)\n",
"<p><a href=\"/with_a_tab/\">a link</a></p>\n",
"[a link] (/with_spaces/)\n",
"<p><a href=\"/with_spaces/\">a link</a></p>\n",
"[text (with) [[nested] (brackets)]](/url/)\n",
"<p><a href=\"/url/\">text (with) [[nested] (brackets)]</a></p>\n",
"[text (with) [broken nested] (brackets)]](/url/)\n",
"<p>[text (with) <a href=\"brackets\">broken nested</a>]](/url/)</p>\n",
"[text\nwith a newline](/link/)\n",
"<p><a href=\"/link/\">text\nwith a newline</a></p>\n",
"[text in brackets] [followed](/by a link/)\n",
"<p>[text in brackets] <a href=\"/by a link/\">followed</a></p>\n",
"[link with\\] a closing bracket](/url/)\n",
"<p><a href=\"/url/\">link with] a closing bracket</a></p>\n",
"[link with\\[ an opening bracket](/url/)\n",
"<p><a href=\"/url/\">link with[ an opening bracket</a></p>\n",
"[link with\\) a closing paren](/url/)\n",
"<p><a href=\"/url/\">link with) a closing paren</a></p>\n",
"[link with\\( an opening paren](/url/)\n",
"<p><a href=\"/url/\">link with( an opening paren</a></p>\n",
"[link]( with whitespace)\n",
"<p><a href=\"with whitespace\">link</a></p>\n",
"[link]( with whitespace )\n",
"<p><a href=\"with whitespace\">link</a></p>\n",
"[link](url \"one quote)\n",
"<p><a href=\"url "one quote\">link</a></p>\n",
"[link](url 'one quote)\n",
"<p><a href=\"url 'one quote\">link</a></p>\n",
"[link](<url>)\n",
"<p><a href=\"url\">link</a></p>\n",
"[link & ampersand](/url/)\n",
"<p><a href=\"/url/\">link & ampersand</a></p>\n",
"[link & ampersand](/url/)\n",
"<p><a href=\"/url/\">link & ampersand</a></p>\n",
"[link](/url/&query)\n",
"<p><a href=\"/url/&query\">link</a></p>\n",
}
doTestsInline(t, tests)
}
func TestReferenceLink(t *testing.T) {
var tests = []string{
"[link][ref]\n",
"<p>[link][ref]</p>\n",
"[link][ref]\n [ref]: /url/ \"title\"\n",
"<p><a href=\"/url/\" title=\"title\">link</a></p>\n",
"[link][ref]\n [ref]: /url/\n",
"<p><a href=\"/url/\">link</a></p>\n",
" [ref]: /url/\n",
"",
" [ref]: /url/\n[ref2]: /url/\n [ref3]: /url/\n",
"",
" [ref]: /url/\n[ref2]: /url/\n [ref3]: /url/\n [4spaces]: /url/\n",
"<pre><code>[4spaces]: /url/\n</code></pre>\n",
"[hmm](ref2)\n [ref]: /url/\n[ref2]: /url/\n [ref3]: /url/\n",
"<p><a href=\"ref2\">hmm</a></p>\n",
"[ref]\n",
"<p>[ref]</p>\n",
"[ref]\n [ref]: /url/ \"title\"\n",
"<p><a href=\"/url/\" title=\"title\">ref</a></p>\n",
}
doTestsInline(t, tests)
}
func TestTags(t *testing.T) {
var tests = []string{
"a <span>tag</span>\n",
"<p>a <span>tag</span></p>\n",
"<span>tag</span>\n",
"<p><span>tag</span></p>\n",
"<span>mismatch</spandex>\n",
"<p><span>mismatch</spandex></p>\n",
"a <singleton /> tag\n",
"<p>a <singleton /> tag</p>\n",
}
doTestsInline(t, tests)
}
func TestAutoLink(t *testing.T) {
var tests = []string{
"go to <http://foo.com/>\n",
"<p>go to <a href=\"http://foo.com/\">http://foo.com/</a></p>\n",
"a secure <https://link.org>\n",
"<p>a secure <a href=\"https://link.org\">https://link.org</a></p>\n",
"an email <mailto:some@one.com>\n",
"<p>an email <a href=\"mailto:some@one.com\">some@one.com</a></p>\n",
"an email <mailto://some@one.com>\n",
"<p>an email <a href=\"mailto://some@one.com\">some@one.com</a></p>\n",
"an email <some@one.com>\n",
"<p>an email <a href=\"mailto:some@one.com\">some@one.com</a></p>\n",
"an ftp <ftp://old.com>\n",
"<p>an ftp <a href=\"ftp://old.com\">ftp://old.com</a></p>\n",
"an ftp <ftp:old.com>\n",
"<p>an ftp <a href=\"ftp:old.com\">ftp:old.com</a></p>\n",
"a link with <http://new.com?query=foo&bar>\n",
"<p>a link with <a href=\"http://new.com?query=foo&bar\">" +
"http://new.com?query=foo&bar</a></p>\n",
"quotes mean a tag <http://new.com?query=\"foo\"&bar>\n",
"<p>quotes mean a tag <http://new.com?query=\"foo\"&bar></p>\n",
"quotes mean a tag <http://new.com?query='foo'&bar>\n",
"<p>quotes mean a tag <http://new.com?query='foo'&bar></p>\n",
"unless escaped <http://new.com?query=\\\"foo\\\"&bar>\n",
"<p>unless escaped <a href=\"http://new.com?query="foo"&bar\">" +
"http://new.com?query="foo"&bar</a></p>\n",
"even a > can be escaped <http://new.com?q=\\>&etc>\n",
"<p>even a > can be escaped <a href=\"http://new.com?q=>&etc\">" +
"http://new.com?q=>&etc</a></p>\n",
}
doTestsInline(t, tests)
}