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Versions: 13
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Contents
require "test_helper"
class HTML::Pipeline::ImageMaxWidthFilterTest < Minitest::Test
def filter(html)
HTML::Pipeline::ImageMaxWidthFilter.call(html)
end
def test_rewrites_image_style_tags
body = "<p>Screenshot: <img src='screenshot.png'></p>"
doc = Nokogiri::HTML::DocumentFragment.parse(body)
res = filter(doc)
assert_equal_html %q(<p>Screenshot: <a target="_blank" href="screenshot.png"><img src="screenshot.png" style="max-width:100%;"></a></p>),
res.to_html
end
def test_leaves_existing_image_style_tags_alone
body = "<p><img src='screenshot.png' style='width:100px;'></p>"
doc = Nokogiri::HTML::DocumentFragment.parse(body)
res = filter(doc)
assert_equal_html '<p><img src="screenshot.png" style="width:100px;"></p>',
res.to_html
end
def test_links_to_image
body = "<p>Screenshot: <img src='screenshot.png'></p>"
doc = Nokogiri::HTML::DocumentFragment.parse(body)
res = filter(doc)
assert_equal_html '<p>Screenshot: <a target="_blank" href="screenshot.png"><img src="screenshot.png" style="max-width:100%;"></a></p>',
res.to_html
end
def test_doesnt_link_to_image_when_already_linked
body = "<p>Screenshot: <a href='blah.png'><img src='screenshot.png'></a></p>"
doc = Nokogiri::HTML::DocumentFragment.parse(body)
res = filter(doc)
assert_equal_html %q(<p>Screenshot: <a href="blah.png"><img src="screenshot.png" style="max-width:100%;"></a></p>),
res.to_html
end
def test_doesnt_screw_up_inlined_images
body = "<p>Screenshot <img src='screenshot.png'>, yes, this is a <b>screenshot</b> indeed.</p>"
doc = Nokogiri::HTML::DocumentFragment.parse(body)
assert_equal_html %q(<p>Screenshot <a target="_blank" href="screenshot.png"><img src="screenshot.png" style="max-width:100%;"></a>, yes, this is a <b>screenshot</b> indeed.</p>), filter(doc).to_html
end
end
Version data entries
13 entries across 13 versions & 1 rubygems