Module: Merb::Test::Unit::HpricotAsserts

Includes:
Test::Unit::Assertions
Defined in:
lib/asserts/hpricot_asserts.rb

Overview

yehudakatz.com/2007/01/27/a-better-assert_select-assert_elements/ based on assert_elements Author: Yehuda Katz Email: wycats @[email protected] gmail.com Web: www.yehudakatz.com

which was based on HpricotTestHelper Author: Luke Redpath Email: contact @[email protected] lukeredpath.co.uk Web: www.lukeredpath.co.uk / opensource.agileevolved.com

Instance Method Summary collapse

Instance Method Details

#assert_elements(css_query, output = nil, equality = {}, &block) ⇒ Object

include Merb::Test::HpricotHelper


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# File 'lib/asserts/hpricot_asserts.rb', line 16

def assert_elements(css_query, output = nil, equality = {}, &block)
  message = equality.delete(:message) if equality.is_a?(Hash)

  case equality
    when Numeric then equality = {:count => equality}
    when Range then equality = {:minimum => equality.to_a.first, :maximum => equality.to_a.last }
    else equality ||= {}
  end
  
  equality.merge!({:minimum => 1}) if (equality.keys & [:minimum, :maximum, :count]).empty?
  
  els = get_elements(css_query, equality[:text], output)

  ret = equality.keys.include?(:minimum) ? (els.size >= equality[:minimum]) : true 
  ret &&= (els.size <= equality[:maximum]) if equality.keys.include?(:maximum)
  ret &&= (els.size == equality[:count]) if equality.keys.include?(:count)
  
  if block && !els.empty?
    ret &&= self.dup.instance_eval do
      @output = HpricotTestHelper::DocumentOutput.new(els.inner_html)
      @block = true 
      instance_eval(&block)
    end
  end
  
  if(equality[:count] != 0)
    assert(ret, "#{ message } \"#{ css_query }\" with \"#{ equality.inspect }\" was not found.")
  else
    assert(ret, "#{ message } \"#{ css_query }\" with \"#{ equality.reject{|k,v| k == :count}.inspect }\" was found, but you specified :count => 0.")
  end
  ret
end