discourse/spec/support/match_html_matcher.rb

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require 'nokogiri/xml/parse_options'
RSpec::Matchers.define :match_html do |expected|
match do |actual|
a = make_canonical_html(expected).to_html.gsub("\r\n", "\n")
b = make_canonical_html(actual).to_html.gsub("\r\n", "\n")
a == b
end
failure_message_for_should do |actual|
"after sanitizing for extra white space and compactness, expected:\n#{actual}\n to match:\n#{expected}"
end
failure_message_for_should_not do |actual|
"after sanitizing for extra white space and compactness, expected:\n#{actual}\n not to match:\n#{expected}"
end
def make_canonical_html(html)
Nokogiri::HTML(html) { |config| config.options = Nokogiri::XML::ParseOptions::NOBLANKS | Nokogiri::XML::ParseOptions::COMPACT }
end
end