Add support to click_button for IDs (Patch form Gwyn Morfey)

History.txt

@@ -26,6 +26,7 @@
   * Support clicking links by title (Patch from Dan Barry)
   * Added missing spec for clicking image buttons (Patch from Tim Harper)
   * Switched tests to specs, and from Mocha to RSpec's mocking library
+  * Add support to click_button for IDs (Patch form Gwyn Morfey)
   
 * Bug fixes
 

lib/webrat/core/field.rb

@@ -138,6 +138,10 @@ module Webrat
       @element.innerHTML =~ /#{Regexp.escape(text.to_s)}/i
     end
 
+    # def matches_id?(id)
+    #   @element["id"] =~ /^\W*#{Regexp.escape(id.to_s)}/i
+    # end
+    
     def matches_value?(value)
       @element["value"] =~ /^\W*#{Regexp.escape(value.to_s)}/i || matches_text?(value) || matches_alt?(value)
     end

lib/webrat/core/form.rb

@@ -31,6 +31,7 @@ module Webrat
     def find_button(value = nil)
       return fields_by_type([ButtonField]).first if value.nil?      
       possible_buttons = fields_by_type([ButtonField])
+      possible_buttons.detect { |possible_button| possible_button.matches_id?(value) } ||
       possible_buttons.detect { |possible_button| possible_button.matches_value?(value) }
     end
 

spec/api/clicks_button_spec.rb

@@ -344,6 +344,16 @@ describe "clicks_button" do
     @session.clicks_button
   end
   
+  it "should find buttons by their IDs" do
+    @session.response_body = <<-EOS
+      <form action="/">
+        <input type="submit" id="my_button" />
+      </form>
+    EOS
+    @session.should_receive(:get)
+    @session.clicks_button "my_button"
+  end
+  
   it "should find image buttons by their alt text" do
     @session.response_body = <<-EOS
       <form action="/">