Add next-previous links to project detail pages. Closes #379

git-svn-id: http://www.rousette.org.uk/svn/tracks-repos/trunk@470 a4c988fc-2ded-0310-b66e-134b36920a42

tracks/test/functional/projects_controller_test.rb

@@ -18,9 +18,8 @@ class ProjectsControllerTest < TodoContainerControllerTestBase
   end
   
   def test_show_exposes_deferred_todos
-    @request.session['user_id'] = users(:admin_user).id
     p = projects(:timemachine)
-    get :show, :id => p.to_param
+    show p
     assert_not_nil assigns['deferred']
     assert_equal 1, assigns['deferred'].size
 
@@ -32,6 +31,16 @@ class ProjectsControllerTest < TodoContainerControllerTestBase
     assert_equal 2, assigns['deferred'].size
   end
 
+  def test_show_exposes_next_project_in_same_state
+    show projects(:timemachine)
+    assert_equal(projects(:moremoney), assigns['next_project'])
+  end
+
+  def test_show_exposes_previous_project_in_same_state
+    show projects(:moremoney)
+    assert_equal(projects(:timemachine), assigns['previous_project'])
+  end
+
   def test_create_project_via_ajax_increments_number_of_projects
     assert_ajax_create_increments_count 'My New Project'
   end
@@ -190,5 +199,11 @@ class ProjectsControllerTest < TodoContainerControllerTestBase
     get :index, { :format => "txt", :token => users(:admin_user).word }
     assert_response :ok
   end
+
+  private
+  def show(project)
+    @request.session['user_id'] = project.user_id
+    get :show, :id => project.to_param
+  end
   
 end

tracks/test/unit/user_test.rb

@@ -1,7 +1,7 @@
 require File.dirname(__FILE__) + '/../test_helper'
 
 class UserTest < Test::Unit::TestCase
-  fixtures :users, :preferences
+  fixtures :users, :preferences, :projects, :todos
 
   def setup
     assert_equal "test", ENV['RAILS_ENV']
@@ -150,6 +150,30 @@ class UserTest < Test::Unit::TestCase
     assert_nil User.authenticate(@admin_user.login, "abracadabra")
     assert_not_nil User.authenticate(@admin_user.login, "foobar")
   end
+
+  def test_projects_next_project
+      moremoney = projects(:moremoney)
+      next_project = @admin_user.projects.next_from(moremoney)
+      assert_equal projects(:gardenclean), next_project
+  end
+
+  def test_projects_previous_project
+      moremoney = projects(:moremoney)
+      previous_project = @admin_user.projects.previous_from(moremoney)
+      assert_equal projects(:timemachine), previous_project
+  end
+
+  def test_projects_next_project_nil
+      gardenclean = projects(:gardenclean)
+      next_project = @admin_user.projects.next_from(gardenclean)
+      assert_nil next_project
+  end
+
+  def test_projects_previous_project_nil
+      timemachine = projects(:timemachine)
+      previous_project = @admin_user.projects.previous_from(timemachine)
+      assert_nil previous_project
+  end
   
 
 end