Test a loop in view file

Test file

#Assign @similar_products the same way as view file
@similar_taxon = @product.taxons.first
@similar_products = (@product.similar_products.length > 0) ? @product.similar_products.first(3) : Spree::Product.in_taxon(@similar_taxon).limit(3)

if @similar_products.length >= 3
  #Display a similar products container div, only if there are 3 similar products
  page.should have_selector(".title-bar h4", :content => "Similar Products")
  #Anything else that doesn't need to be looped goes here...
  #In a loop, check for the divs corresponding to each similar product
  @similar_products.each do |sp|
    it "should have an entry for each similar product" do
      page.should have_content(link_to(image_tag(sp.images[0].attachment.url(:mini)), product_path(sp))
      #Test other view stuff
    end
  end
end

view file

<% @similar_taxon = @product.taxons.first %>
<% @similar_products = (@product.similar_products.length > 0) ? @product.similar_products.first(3) : Spree::Product.in_taxon(@similar_taxon).limit(3) %>
<% if @similar_products.length >= 3 %>
  <!-- start similar products -->
  <div class="title-bar">
    <h4>Similar Products</h4>
  </div>
  <div class="module-cnt border">
  <% @similar_products.each_with_index do |sp, i| %>
    <div class="module-row <%= (i==2) ? "" : "border-bottom" %> clearfix">
      <%= (sp.images[0]) ? link_to(image_tag(sp.images[0].attachment.url(:mini), :width => "48", :class => "pull-left"),  product_path(sp)) : link_to(image_tag("img/global/placeholder-48x48.gif", :width => "48", :class => "pull-left"),  product_path(sp)) %>
	<p class="pull-left">
	  <%= link_to sp.name.html_safe, product_path(sp) %><span class="stars stars-<%= sp.avg_rating %>"></span>
	  <span><%= number_to_currency(sp.price) %></span>
	</p>
    </div>
  <% end %>
</div>