Very early basics for form submission

lib/webcat/driver/rack_test_driver.rb

@@ -21,7 +21,16 @@ class Webcat::Driver::RackTest
     end
 
     def click
-      session.visit(self[:href])
+      if tag_name == 'a'
+        session.visit(self[:href])
+      elsif tag_name == 'input' and self[:type] == 'submit'
+        form = node.ancestors('form').first
+        attributes = form.xpath('//input').inject({}) do |agg, node|
+          agg[node['name'].to_s] = node['value'].to_s
+          agg
+        end
+        session.submit(form['action'].to_s, attributes) 
+      end
     end
     
     def tag_name
@@ -41,12 +50,23 @@ class Webcat::Driver::RackTest
   
   def visit(path)
     get(path)
-    @body = response.body
-    @html = Nokogiri::HTML(body)
+    cache_body
+  end
+
+  def submit(path, attributes)
+    post(path, attributes)
+    cache_body  
   end
   
   def find(selector)
     html.xpath(selector).map { |node| Node.new(self, node) }
   end
 
+  private
+
+  def cache_body
+    @body = response.body
+    @html = Nokogiri::HTML(body)
+  end
+
 end

lib/webcat/session.rb

@@ -25,6 +25,10 @@ class Webcat::Session
     find_element("//a[@id='#{locator}']", %{//a[text()="#{locator}"]}, %{//a[@title="#{locator}"]}).click
   end
 
+  def click_button(locator)
+    find_element("//input[@type='submit'][@id='#{locator}']", "//input[@type='submit'][@value='#{locator}']").click
+  end
+
   def body
     driver.body
   end

spec/session_spec.rb

@@ -50,6 +50,20 @@ shared_examples_for "session" do
       end
     end
   end
+
+  describe '#click_button' do
+    before do
+      @session.visit('/form')
+    end
+
+    context "with value given" do
+      it "should submit the associated form" do
+        @session.click_button('awesome')
+        results = YAML.load(@session.body)
+        results['foo'].should == 'blah'
+      end
+    end
+  end
 end
   
   

spec/test_app.rb

@@ -21,4 +21,12 @@ class TestApp < Sinatra::Base
   get '/with_simple_html' do
     erb :with_simple_html
   end
-end
+
+  get '/form' do
+    erb :form
+  end
+
+  post '/form' do
+    params[:form].to_yaml
+  end
+end

spec/views/form.erb

@@ -0,0 +1,16 @@
+<h1>Form</h1>
+
+<form action="/form" method="post">
+  <p>
+    <input type="text" name="form[foo]" value="blah" id="foo"/>
+  </p>
+
+  <p>
+    <input type="text" name="form[bar]" value="fish" id="bar"/>
+  </p>
+
+  <p>
+    <input type="submit" name="form[awesome]" value="awesome"/>
+    <input type="submit" name="form[crappy]" value="crappy"/>
+  </p>
+</form>