Improving the not found handling of preferences. adding a user preference test. adding some utility methods to the test helper

app/controllers/user_preference_controller.rb

@@ -5,11 +5,9 @@ class UserPreferenceController < ApplicationController
   def read_one
     pref = UserPreference.find(@user.id, params[:preference_key])
 
-    if pref
     render :text => pref.v.to_s
-    else
-      render :text => 'OH NOES! PREF NOT FOUND!', :status => 404
-    end
+  rescue ActiveRecord::RecordNotFound => ex
+    render :text => 'OH NOES! PREF NOT FOUND!', :status => :not_found
   end
 
   def update_one
@@ -32,6 +30,8 @@ class UserPreferenceController < ApplicationController
     UserPreference.delete(@user.id, params[:preference_key])
 
     render :nothing => true
+  rescue ActiveRecord::RecordNotFound => ex
+    render :text => "param: #{params[:preference_key]} not found", :status => :not_found
   end
 
   # print out all the preferences as a big xml block
@@ -52,7 +52,6 @@ class UserPreferenceController < ApplicationController
 
   # update the entire set of preferences
   def update
-    begin
     p = XML::Parser.new
     p.string = request.raw_post
     doc = p.parse
@@ -66,7 +65,6 @@ class UserPreferenceController < ApplicationController
 
       unless keyhash[pt['k']].nil? # already have that key
         render :text => 'OH NOES! CAN HAS UNIQUE KEYS?', :status => :not_acceptable
-          return
       end
 
       keyhash[pt['k']] = 1
@@ -79,7 +77,6 @@ class UserPreferenceController < ApplicationController
 
     if prefs.size > 150
       render :text => 'Too many preferences', :status => :request_entity_too_large
-        return
     end
 
     # kill the existing ones
@@ -89,12 +86,9 @@ class UserPreferenceController < ApplicationController
     prefs.each do |pref|
       pref.save!
     end
+    render :nothing => true
 
   rescue Exception => ex
     render :text => 'OH NOES! FAIL!: ' + ex.to_s, :status => :internal_server_error
-      return
-    end
-
-    render :nothing => true
   end
 end

test/functional/node_controller_test.rb

@@ -1,5 +1,4 @@
 require File.dirname(__FILE__) + '/../test_helper'
-require 'node_controller'
 
 class NodeControllerTest < ActionController::TestCase
   api_fixtures

test/functional/user_preference_controller_test.rb

@@ -1,8 +1,26 @@
 require File.dirname(__FILE__) + '/../test_helper'
 
 class UserPreferenceControllerTest < ActionController::TestCase
-  # Replace this with your real tests.
-  def test_truth
-    assert true
+  fixtures :users, :user_preferences
+  
+  def test_read
+    # first try without auth
+    get :read
+    assert_response :unauthorized, "should be authenticated"
+    
+    # now set the auth
+    basic_authorization("test@openstreetmap.org", "test")
+    
+    get :read
+    assert_response :success
+    print @response.body
+    assert_select "osm:root" do
+      assert_select "preferences", :count => 1 do
+        assert_select "preference", :count => 2
+        assert_select "preference[k=\"#{user_preferences(:a).k}\"][v=\"#{user_preferences(:a).v}\"]", :count => 1
+        assert_select "preference[k=\"#{user_preferences(:two).k}\"][v=\"#{user_preferences(:two).v}\"]", :count => 1
       end
     end
+  end
+
+end

test/test_helper.rb

@@ -106,5 +106,13 @@ class Test::Unit::TestCase
     assert_equal a.tags, b.tags, "tags on node #{a.id}"
   end
 
+  def basic_authorization(user, pass)
+    @request.env["HTTP_AUTHORIZATION"] = "Basic %s" % Base64.encode64("#{user}:#{pass}")
+  end
+
+  def content(c)
+    @request.env["RAW_POST_DATA"] = c.to_s
+  end
+
   # Add more helper methods to be used by all tests here...
 end