spec/support/have_styling_matcher.rb in roadie-2.4.3 vs spec/support/have_styling_matcher.rb in roadie-3.0.0.pre1

@@ -1,25 +1,59 @@
 RSpec::Matchers.define :have_styling do |rules|
   @selector = 'body > *:first'
+  normalized_rules = StylingExpectation.new(rules)
 
-  chain :at_selector do |selector|
-    @selector = selector
+  chain(:at_selector) { |selector| @selector = selector }
+  match { |document| normalized_rules == styles_at_selector(document) }
+
+  description {
+    "have styles #{normalized_rules.inspect} at selector #{@selector.inspect}"
+  }
+
+  failure_message_for_should { |document|
+    "expected styles at #{@selector.inspect} to be:\n#{normalized_rules}\nbut was:\n#{styles_at_selector(document)}"
+  }
+
+  failure_message_for_should_not {
+    "expected styles at #{@selector.inspect} to not be:\n#{normalized_rules}"
+  }
+
+  def styles_at_selector(document)
+    document.should have_selector(@selector)
+    StylingExpectation.new document.at_css(@selector)['style']
   end
+end
 
-  match do |document|
-    if rules.nil?
-      parsed_styles(document).blank?
-    else
-      rules.to_a.should == parsed_styles(document)
+class StylingExpectation
+  def initialize(styling)
+    case styling
+    when String then @rules = parse_rules(styling)
+    when Array then @rules = styling
+    when Hash then @rules = styling.to_a
+    else fail "I don't understand #{styling.inspect}!"
     end
   end
 
-  description { "have styles #{rules.inspect} at selector #{@selector.inspect}" }
-  failure_message_for_should { |document| "expected styles at #{@selector.inspect} to be #{rules.inspect} but was #{parsed_styles(document).inspect}" }
-  failure_message_for_should_not { "expected styles at #{@selector.inspect} to not be #{rules.inspect}" }
+  def ==(other)
+    rules == other.rules
+  end
 
-  def parsed_styles(document)
-    node = document.css(@selector).first
-    SpecHelpers.styling_of_node(node)
+  def to_s() rules.to_s end
+
+  protected
+  attr_reader :rules
+
+  private
+  def parse_rules(css)
+    css.split(';').map { |property| parse_property(property) }
   end
-end
 
+  def parse_property(property)
+    rule, value = property.split(':', 2).map(&:strip)
+    [rule, normalize_quotes(value)]
+  end
+
+  # JRuby's Nokogiri encodes quotes
+  def normalize_quotes(string)
+    string.gsub '%22', '"'
+  end
+end