add error text tests, flash test, leyout content_for, and revert side…

…bar vertical-align:top

app/assets/stylesheets/layout.css.scss

@@ -135,7 +135,7 @@ td.main {
 td.sidebar {
   width: 30%;
   padding: 1em;
-  vertical-align: middle;
+  vertical-align: top;
   background: #ffc;
 }
 

app/helpers/users_helper.rb

@@ -1,8 +1,10 @@
 module UsersHelper
+
   # Returns the Gravatar (http://gravatar.com/) for the given user.
-  def gravatar_for(user)
+  def gravatar_for(user, options = { size: 50 })
     gravatar_id = Digest::MD5::hexdigest(user.email.downcase)
-    gravatar_url = "http://gravatar.com/avatar/#{gravatar_id}.png"
+    size = options[:size]
+    gravatar_url = "http://gravatar.com/avatar/#{gravatar_id}.png?s=#{size}"
     image_tag(gravatar_url, alt: user.name, class: "gravatar")
   end
 end

app/views/layouts/application.html.erb

@@ -11,8 +11,8 @@
 
       <section class="round">
         <% flash.each do |key, value| %>
-          <div class="flash <%= key %>"><%= value %></div>
-        <% end %>
+          <%= content_tag(:div, value, class: "flash #{key}") %>
+        <% end %> 
         <%= yield %>
       </section>
 

app/views/users/show.html.erb

@@ -4,7 +4,7 @@
   <tr>
     <td class="main">
       <h1>
-        <%= gravatar_for @user %>
+        <%= gravatar_for @user, size:50 %>
         <%= @user.name %>
       </h1>
     </td>

spec/requests/user_pages_spec.rb

@@ -40,6 +40,23 @@
       it "should create a user" do
         expect { click_button "Sign up" }.to change(User, :count).by(1)
       end
+
+      describe "after saving the user" do
+        before { click_button "Sign up" }
+        let(:user) { User.find_by_email('user@example.com') }
+
+        it { should have_selector('title', text: user.name) }
+        it { should have_selector('div.flash.success', text: 'Welcome') }
+      end
+    end
+
+    describe "error messages" do
+      before { click_button "Sign up" }
+
+      let(:error_text) { 'errors prohibited this user from being saved' }
+
+      it { should have_selector('title', text: 'Sign up') }
+      it { should have_content(error_text) }
     end
   end