Module: PageObjectPal::Diff

Includes:
Elements
Included in:
PageObjectPal
Defined in:
lib/page-object-pal/diff.rb

Instance Method Summary collapse

Methods included from Elements

#dsl_to_html, #element_tag, #html_to_dsl, #parse_element, #parse_methods, #standard_tag

Instance Method Details

#diff_page(source, elements) ⇒ Object

Find page object defined methods that do not match code in the source HTML.



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# File 'lib/page-object-pal/diff.rb', line 12

def diff_page(source, elements)
  elements.each do |e_hash|
    e_hash.each do |elem, identifier|
      scrub_source(elem, identifier, source)
    end
  end
end

#failure?(match) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/page-object-pal/diff.rb', line 46

def failure?(match)
  match.to_a.empty?
end

#scrub_source(tag, identifier, source) ⇒ Object

Look for code in the source HTML matching the identifying code defined in the page object class.



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# File 'lib/page-object-pal/diff.rb', line 24

def scrub_source(tag, identifier, source)
  identifier.each do |prop, prop_val|
    match = case prop
    when :class
      source.css("#{tag.to_s}.#{prop_val}")
    when :id
      source.css("#{tag.to_s}##{prop_val}")
    when :index
      source.css("#{tag.to_s}")[prop_val.to_i]
    when :text
      source.search("[text()*='#{prop_val}']")
    when :xpath
      source.xpath(prop_val)
    else
      raise SupportError, "PageObjectPal doesn't support elements identified by '#{prop}'... yet. Consider ", 
        "forking the project at http://github.com/jdenen/page-object-pal."
    end

    raise PageObjectOutdated, "Could not identify '#{html_to_dsl(tag)}' where :#{prop} == '#{prop_val}'" if failure? match
  end
end