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redcarpet_test.rb
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redcarpet_test.rb
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# coding: UTF-8
rootdir = File.dirname(File.dirname(__FILE__))
$LOAD_PATH.unshift "#{rootdir}/lib"
if defined? Encoding
Encoding.default_internal = 'UTF-8'
end
require 'test/unit'
require 'redcarpet'
require 'redcarpet/render_man'
require 'nokogiri'
def html_equal(html_a, html_b)
assert_equal Nokogiri::HTML::DocumentFragment.parse(html_a).to_html,
Nokogiri::HTML::DocumentFragment.parse(html_b).to_html
end
class SmartyPantsTest < Test::Unit::TestCase
def setup
@pants = Redcarpet::Render::SmartyPants
end
def test_that_smart_converts_single_quotes_in_words_that_end_in_re
markdown = @pants.render("<p>They're not for sale.</p>")
assert_equal "<p>They’re not for sale.</p>", markdown
end
def test_that_smart_converts_single_quotes_in_words_that_end_in_ll
markdown = @pants.render("<p>Well that'll be the day</p>")
assert_equal "<p>Well that’ll be the day</p>", markdown
end
def test_that_smart_converts_double_quotes_to_curly_quotes
rd = @pants.render(%(<p>"Quoted text"</p>))
assert_equal %(<p>“Quoted text”</p>), rd
end
def test_that_smart_gives_ve_suffix_a_rsquo
rd = @pants.render("<p>I've been meaning to tell you ..</p>")
assert_equal "<p>I’ve been meaning to tell you ..</p>", rd
end
def test_that_smart_gives_m_suffix_a_rsquo
rd = @pants.render("<p>I'm not kidding</p>")
assert_equal "<p>I’m not kidding</p>", rd
end
def test_that_smart_gives_d_suffix_a_rsquo
rd = @pants.render("<p>what'd you say?</p>")
assert_equal "<p>what’d you say?</p>", rd
end
end
class HTMLRenderTest < Test::Unit::TestCase
def setup
@markdown = Redcarpet::Markdown.new(Redcarpet::Render::HTML)
@rndr = {
:no_html => Redcarpet::Render::HTML.new(:filter_html => true),
:no_images => Redcarpet::Render::HTML.new(:no_images => true),
:no_links => Redcarpet::Render::HTML.new(:no_links => true),
:safe_links => Redcarpet::Render::HTML.new(:safe_links_only => true),
:escape_html => Redcarpet::Render::HTML.new(:escape_html => true),
:hard_wrap => Redcarpet::Render::HTML.new(:hard_wrap => true),
}
end
def render_with(rndr, text)
Redcarpet::Markdown.new(rndr).render(text)
end
# Hint: overrides filter_html, no_images and no_links
def test_that_escape_html_works
source = <<EOS
Through <em>NO</em> <script>DOUBLE NO</script>
<script>BAD</script>
<img src="/favicon.ico" />
EOS
expected = <<EOE
<p>Through <em>NO</em> <script>DOUBLE NO</script></p>
<p><script>BAD</script></p>
<p><img src="/favicon.ico" />
EOE
markdown = render_with(@rndr[:escape_html], source)
html_equal expected, markdown
end
def test_that_filter_html_works
markdown = render_with(@rndr[:no_html], 'Through <em>NO</em> <script>DOUBLE NO</script>')
html_equal "<p>Through NO DOUBLE NO</p>", markdown
end
def test_filter_html_doesnt_break_two_space_hard_break
markdown = render_with(@rndr[:no_html], "Lorem, \nipsum\n")
html_equal "<p>Lorem,<br/>\nipsum</p>\n", markdown
end
def test_that_no_image_flag_works
rd = render_with(@rndr[:no_images], %(![dust mite](http://dust.mite/image.png) <img src="image.png" />))
assert rd !~ /<img/
end
def test_that_no_links_flag_works
rd = render_with(@rndr[:no_links], %([This link](http://example.net/) <a href="links.html">links</a>))
assert rd !~ /<a /
end
def test_that_safelink_flag_works
rd = render_with(@rndr[:safe_links], "[IRC](irc://chat.freenode.org/#freenode)")
html_equal "<p>[IRC](irc://chat.freenode.org/#freenode)</p>\n", rd
end
def test_that_hard_wrap_works
rd = render_with(@rndr[:hard_wrap], <<EOE)
Hello world,
this is just a simple test
With hard wraps
and other *things*.
EOE
assert rd =~ /<br>/
end
end
class MarkdownTest < Test::Unit::TestCase
def setup
@markdown = Redcarpet::Markdown.new(Redcarpet::Render::HTML)
end
def render_with(flags, text)
Redcarpet::Markdown.new(Redcarpet::Render::HTML, flags).render(text)
end
def test_that_simple_one_liner_goes_to_html
assert_respond_to @markdown, :render
html_equal "<p>Hello World.</p>", @markdown.render("Hello World.")
end
def test_that_inline_markdown_goes_to_html
markdown = @markdown.render('_Hello World_!')
html_equal "<p><em>Hello World</em>!</p>", markdown
end
def test_that_inline_markdown_starts_and_ends_correctly
markdown = render_with({:no_intra_emphasis => true}, '_start _ foo_bar bar_baz _ end_ *italic* **bold** <a>_blah_</a>')
html_equal "<p><em>start _ foo_bar bar_baz _ end</em> <em>italic</em> <strong>bold</strong> <a><em>blah</em></a></p>", markdown
markdown = @markdown.render("Run 'rake radiant:extensions:rbac_base:migrate'")
html_equal "<p>Run 'rake radiant:extensions:rbac_base:migrate'</p>", markdown
end
def test_that_urls_are_not_doubly_escaped
markdown = @markdown.render('[Page 2](/search?query=Markdown+Test&page=2)')
html_equal "<p><a href=\"/search?query=Markdown+Test&page=2\">Page 2</a></p>\n", markdown
end
def test_simple_inline_html
#markdown = Markdown.new("before\n\n<div>\n foo\n</div>\nafter")
markdown = @markdown.render("before\n\n<div>\n foo\n</div>\n\nafter")
html_equal "<p>before</p>\n\n<div>\n foo\n</div>\n\n<p>after</p>\n", markdown
end
def test_that_html_blocks_do_not_require_their_own_end_tag_line
markdown = @markdown.render("Para 1\n\n<div><pre>HTML block\n</pre></div>\n\nPara 2 [Link](#anchor)")
html_equal "<p>Para 1</p>\n\n<div><pre>HTML block\n</pre></div>\n\n<p>Para 2 <a href=\"#anchor\">Link</a></p>\n",
markdown
end
# This isn't in the spec but is Markdown.pl behavior.
def test_block_quotes_preceded_by_spaces
markdown = @markdown.render(
"A wise man once said:\n\n" +
" > Isn't it wonderful just to be alive.\n"
)
html_equal "<p>A wise man once said:</p>\n\n" +
"<blockquote><p>Isn't it wonderful just to be alive.</p>\n</blockquote>\n",
markdown
end
def test_para_before_block_html_should_not_wrap_in_p_tag
markdown = render_with({:lax_html_blocks => true},
"Things to watch out for\n" +
"<ul>\n<li>Blah</li>\n</ul>\n")
html_equal "<p>Things to watch out for</p>\n\n" +
"<ul>\n<li>Blah</li>\n</ul>\n", markdown
end
# http://github.com/rtomayko/rdiscount/issues/#issue/13
def test_headings_with_trailing_space
text = "The Ant-Sugar Tales \n" +
"=================== \n\n" +
"By Candice Yellowflower \n"
html_equal "<h1>The Ant-Sugar Tales </h1>\n\n<p>By Candice Yellowflower </p>\n", @markdown.render(text)
end
def test_that_intra_emphasis_works
rd = render_with({}, "foo_bar_baz")
html_equal "<p>foo<em>bar</em>baz</p>\n", rd
rd = render_with({:no_intra_emphasis => true},"foo_bar_baz")
html_equal "<p>foo_bar_baz</p>\n", rd
end
def test_that_autolink_flag_works
rd = render_with({:autolink => true}, "http://github.com/rtomayko/rdiscount")
html_equal "<p><a href=\"http://github.com/rtomayko/rdiscount\">http://github.com/rtomayko/rdiscount</a></p>\n", rd
end
if "".respond_to?(:encoding)
def test_should_return_string_in_same_encoding_as_input
input = "Yogācāra"
output = @markdown.render(input)
assert_equal input.encoding.name, output.encoding.name
end
def test_should_return_string_in_same_encoding_not_in_utf8
input = "testing".encode('US-ASCII')
output = @markdown.render(input)
assert_equal input.encoding.name, output.encoding.name
end
def test_should_accept_non_utf8_or_ascii
input = "testing \xAB\xCD".force_encoding('ASCII-8BIT')
output = @markdown.render(input)
assert_equal 'ASCII-8BIT', output.encoding.name
end
end
def test_that_tags_can_have_dashes_and_underscores
rd = @markdown.render("foo <asdf-qwerty>bar</asdf-qwerty> and <a_b>baz</a_b>")
html_equal "<p>foo <asdf-qwerty>bar</asdf-qwerty> and <a_b>baz</a_b></p>\n", rd
end
def test_link_syntax_is_not_processed_within_code_blocks
markdown = @markdown.render(" This is a code block\n This is a link [[1]] inside\n")
html_equal "<pre><code>This is a code block\nThis is a link [[1]] inside\n</code></pre>\n",
markdown
end
def test_whitespace_after_urls
rd = render_with({:autolink => true}, "Japan: http://www.abc.net.au/news/events/japan-quake-2011/beforeafter.htm (yes, japan)")
exp = %{<p>Japan: <a href="http://www.abc.net.au/news/events/japan-quake-2011/beforeafter.htm">http://www.abc.net.au/news/events/japan-quake-2011/beforeafter.htm</a> (yes, japan)</p>}
html_equal exp, rd
end
def test_memory_leak_when_parsing_char_links
@markdown.render(<<-leaks)
2. Identify the wild-type cluster and determine all clusters
containing or contained by it:
wildtype <- wildtype.cluster(h)
wildtype.mask <- logical(nclust)
wildtype.mask[c(contains(h, wildtype),
wildtype,
contained.by(h, wildtype))] <- TRUE
This could be more elegant.
leaks
end
def test_infinite_loop_in_header
html_equal @markdown.render(<<-header), "<h1>Body</h1>"
######
#Body#
######
header
end
def test_that_tables_flag_works
text = <<EOS
aaa | bbbb
-----|------
hello|sailor
EOS
assert render_with({}, text) !~ /<table/
assert render_with({:tables => true}, text) =~ /<table/
end
def test_strikethrough_flag_works
text = "this is ~some~ striked ~~text~~"
assert render_with({}, text) !~ /<del/
assert render_with({:strikethrough => true}, text) =~ /<del/
end
def test_that_fenced_flag_works
text = <<fenced
This is a simple test
~~~~~
This is some awesome code
with tabs and shit
~~~
fenced
assert render_with({}, text) !~ /<code/
assert render_with({:fenced_code_blocks => true}, text) =~ /<code/
end
def test_that_headers_are_linkable
markdown = @markdown.render('### Hello [GitHub](http://github.com)')
html_equal "<h3>Hello <a href=\"http://github.com\">GitHub</a></h3>", markdown
end
def test_autolinking_with_ent_chars
markdown = render_with({:autolink => true}, <<text)
This a stupid link: https://github.com/rtomayko/tilt/issues?milestone=1&state=open
text
html_equal "<p>This a stupid link: <a href=\"https://github.com/rtomayko/tilt/issues?milestone=1&state=open\">https://github.com/rtomayko/tilt/issues?milestone=1&state=open</a></p>\n", markdown
end
def test_spaced_headers
rd = render_with({:space_after_headers => true}, "#123 a header yes\n")
assert rd !~ /<h1>/
end
end
class CustomRenderTest < Test::Unit::TestCase
class SimpleRender < Redcarpet::Render::HTML
def emphasis(text)
"<em class=\"cool\">#{text}</em>"
end
end
def test_simple_overload
md = Redcarpet::Markdown.new(SimpleRender)
html_equal "<p>This is <em class=\"cool\">just</em> a test</p>",
md.render("This is *just* a test")
end
class NilPreprocessRenderer < Redcarpet::Render::HTML
def preprocess(fulldoc)
nil
end
end
def test_preprocess_returning_nil
md = Redcarpet::Markdown.new(NilPreprocessRenderer)
assert_equal(nil,md.render("Anything"))
end
end
class RedcarpetCompatTest < Test::Unit::TestCase
def test_simple_compat_api
html = RedcarpetCompat.new("This is_just_a test").to_html
html_equal "<p>This is<em>just</em>a test</p>", html
end
def test_compat_api_enables_extensions
html = RedcarpetCompat.new("This is_just_a test", :no_intra_emphasis).to_html
html_equal "<p>This is_just_a test</p>", html
end
def test_compat_api_knows_fenced_code_extension
text = "```ruby\nx = 'foo'\n```"
html = RedcarpetCompat.new(text, :fenced_code).to_html
html_equal "<pre><code class=\"ruby\">x = 'foo'\n</code></pre>", html
end
def test_compat_api_ignores_gh_blockcode_extension
text = "```ruby\nx = 'foo'\n```"
html = RedcarpetCompat.new(text, :fenced_code, :gh_blockcode).to_html
html_equal "<pre><code class=\"ruby\">x = 'foo'\n</code></pre>", html
end
def test_compat_api_knows_no_intraemphasis_extension
html = RedcarpetCompat.new("This is_just_a test", :no_intraemphasis).to_html
html_equal "<p>This is_just_a test</p>", html
end
def test_translate_outdated_extensions
# these extensions are no longer used
exts = [:gh_blockcode, :no_tables, :smart, :strict]
html = RedcarpetCompat.new('"TEST"', *exts).to_html
html_equal "<p>"TEST"</p>", html
end
end
# Disabled by default
# (these are the easy ones -- the evil ones are not disclosed)
class PathologicalInputsTest # < Test::Unit::TestCase
def setup
@markdown = Redcarpet::Markdown.new(Redcarpet::Render::HTML)
end
def test_pathological_1
star = '*' * 250000
@markdown.render("#{star}#{star} hi #{star}#{star}")
end
def test_pathological_2
crt = '^' * 255
str = "#{crt}(\\)"
@markdown.render("#{str*300}")
end
def test_pathological_3
c = "`t`t`t`t`t`t" * 20000000
@markdown.render(c)
end
def test_pathological_4
@markdown.render(" [^a]: #{ "A" * 10000 }\n#{ "[^a][]" * 1000000 }\n")
end
def test_unbound_recursion
@markdown.render(("[" * 10000) + "foo" + ("](bar)" * 10000))
end
end