Merge pull request #178 from reprah/fix-pagination

Fix pagination links for support questions

app/views/questions/index.html.haml

@@ -26,4 +26,4 @@
 %ul.questions
   = render :partial => "list", :collection => collection, :as => :question
 
-= will_paginate
+= will_paginate(@questions, renderer: @support ? PrefixLinkRenderer.new('/support') : nil)

features/questions_pagination.feature

@@ -0,0 +1,13 @@
+Feature: Pagination for different types of questions
+
+	As a user of the site, I can view pages of different types of questions
+
+	Scenario: View support questions
+		Given support questions exist
+		When I visit the support questions page
+		Then I should see a link to the next page of support questions
+
+	Scenario: View non-support questions
+		Given questions exist
+		When I visit the questions page
+		Then I should see a link to the next page of questions

features/step_definitions/question_steps.rb

@@ -76,3 +76,19 @@ def create_question_for(user)
   visit question_path(@question)
   page.should_not have_content('Delete')
 end
+
+Given /^(\w*)\s?questions exist$/ do |type|
+  30.times do
+    Question.create(title: 'Test', description: 'Test',
+    support: type == 'support' ? true : false)
+  end
+end
+
+When /^I visit the (\w*)\s?questions page$/ do |type|
+  visit(type == 'support' ? support_questions_path : questions_path)
+end
+
+Then /^I should see a link to the next page of (\w*)\s?questions$/ do |type|
+  href = type == 'support' ? '/support/questions?page=2' : '/questions?page=2'
+  page.should have_link '2', href: href
+end

lib/prefix_link_renderer.rb

@@ -0,0 +1,12 @@
+class PrefixLinkRenderer < WillPaginate::ActionView::LinkRenderer
+  def initialize(prefix)
+    @prefix = prefix
+    super()
+  end
+
+  protected
+
+  def url(page)
+    @prefix + super
+  end
+end