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This introduces match_html, which converts actual and expected HTML strings into "canonical" HTML using Nokogiri with NOBLANKS and COMPACT, and then does a simple equality comparison. This eliminates whitespace differences introduced by library changes (e.g. the libxml2 2.9.0 change). pretty_text_spec.rb has been changed to use match_html where appropriate. and all tests pass under libxml2 2.7.6, 2.8.0 or 2.9.0
21 lines
695 B
Ruby
21 lines
695 B
Ruby
require 'nokogiri/xml/parse_options'
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RSpec::Matchers.define :match_html do |expected|
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match do |actual|
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a = make_canonical_html expected
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b = make_canonical_html actual
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a.to_html == b.to_html
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end
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failure_message_for_should do |actual|
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"after sanitizing for extra white space and compactness, expected #{actual} to match #{expected}"
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end
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failure_message_for_should_not do |actual|
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"after sanitizing for extra white space and compactness, expected #{actual} not to match #{expected}"
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end
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def make_canonical_html(html)
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Nokogiri::HTML(html) { |config| config.options = Nokogiri::XML::ParseOptions::NOBLANKS | Nokogiri::XML::ParseOptions::COMPACT }
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end
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end
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