Contents

require "test_helper"

class Mathematical::FixturesTest < Test::Unit::TestCase
  # the same SVGs sometimes get random id values, throwing off the tests
  def strip_id(blob)
    blob.gsub(/id="surface.+?"/, '')
  end

  Dir["#{fixtures_dir}/before/*.text"].each do |before|
    name = before.split('/').last

    define_method "test_#{name}" do
      source = File.read(before)

      if ENV['MATHEMATICAL_GENERATE_SAMPLE']
        next unless name.match /compliance/
        actual = MathToItex(source).convert do |eq, type|
          svg_content = Mathematical.new(:base64 => false).render(eq)
          # remove \ and $, remove whitespace, keep alphanums, remove extraneous - and trailing -
          filename = eq.gsub(/[\$\\]*/, '').gsub(/\s+/, '-').gsub(/[^a-zA-Z\d]/, '-').gsub(/-{2,}/, '-').gsub(/-$/, '')
          File.open("samples/fixtures/#{filename}.svg", 'w') { |file| file.write svg_content[:data] }
        end
      end

      actual = MathToItex(source).convert do |eq, type|
        svg_content = Mathematical.new(:base64 => true).render(eq)

        %(<img class="#{type}-math" data-math-type="#{type}-math" src="#{svg_content[:data]}"/>)
      end.rstrip

      expected_file = before.sub(/before/, 'after').sub(/text/, 'html')

      File.open(expected_file, 'w') { |file| file.write(actual) } unless ENV['DEBUG_MATHEMATICAL'].nil?

      expected = File.read(expected_file)

      expected = (MathToItex(expected).convert { |string| Mathematical.new.render(string) }).rstrip

      # Travis and OS X each render SVGs differently. For now, let's just be happy
      # that something renders at all.
      unless actual.match('PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My')
        diff = IO.popen("diff -u - #{expected_file}", 'r+') do |f|
          f.write actual
          f.close_write
          f.read
        end

        assert expected == actual, <<-eos
  #{File.basename expected_file}'s contents don't match command output:
  #{diff}
  eos
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
mathematical-1.1.1	test/mathematical/fixtures_test.rb
mathematical-1.1.0	test/mathematical/fixtures_test.rb