Improve functional tests for user preferences

test/functional/user_preference_controller_test.rb

@@ -28,16 +28,31 @@ class UserPreferenceControllerTest < ActionController::TestCase
     )
   end
 
+  ##
+  # test read action
   def test_read
     # first try without auth
     get :read
     assert_response :unauthorized, "should be authenticated"
+
+    # authenticate as a user with no preferences
+    basic_authorization("test@example.com", "test")
+
+    # try the read again
+    get :read
+    assert_select "osm" do
+      assert_select "preferences", :count => 1 do
+        assert_select "preference", :count => 0
+      end
+    end
     
-    # now set the auth
+    # authenticate as a user with preferences
     basic_authorization("test@openstreetmap.org", "test")
-    
+
+    # try the read again
     get :read
     assert_response :success
+    assert_equal "text/xml", @response.content_type
     assert_select "osm" do
       assert_select "preferences", :count => 1 do
         assert_select "preference", :count => 2
@@ -46,4 +61,146 @@ class UserPreferenceControllerTest < ActionController::TestCase
       end
     end
   end
+
+  ##
+  # test read_one action
+  def test_read_one
+    # try a read without auth
+    get :read_one, :preference_key => "key"
+    assert_response :unauthorized, "should be authenticated"
+
+    # authenticate as a user with preferences
+    basic_authorization("test@openstreetmap.org", "test")
+
+    # try the read again
+    get :read_one, :preference_key => "key"
+    assert_response :success
+    assert_equal "text/plain", @response.content_type
+    assert_equal "value", @response.body
+
+    # try the read again for a non-existent key
+    get :read_one, :preference_key => "unknown_key"
+    assert_response :not_found
+  end
+
+  ##
+  # test update action
+  def test_update
+    # try a put without auth
+    assert_no_difference "UserPreference.count" do
+      content "<osm><preferences><preference k='key' v='new_value'/><preference k='new_key' v='value'/></preferences></osm>"
+      put :update
+    end
+    assert_response :unauthorized, "should be authenticated"
+    assert_equal "value", UserPreference.find(1, "key").v
+    assert_equal "some_value", UserPreference.find(1, "some_key").v
+    assert_raises ActiveRecord::RecordNotFound do
+      UserPreference.find(1, "new_key")
+    end
+
+    # authenticate as a user with preferences
+    basic_authorization("test@openstreetmap.org", "test")
+
+    # try the put again
+    assert_no_difference "UserPreference.count" do
+      content "<osm><preferences><preference k='key' v='new_value'/><preference k='new_key' v='value'/></preferences></osm>"
+      put :update
+    end
+    assert_response :success
+    assert_equal "text/plain", @response.content_type
+    assert_equal " ", @response.body
+    assert_equal "new_value", UserPreference.find(1, "key").v
+    assert_equal "value", UserPreference.find(1, "new_key").v
+    assert_raises ActiveRecord::RecordNotFound do
+      UserPreference.find(1, "some_key")
+    end
+
+    # try a put with duplicate keys
+    assert_no_difference "UserPreference.count" do
+      content "<osm><preferences><preference k='key' v='value'/><preference k='key' v='newer_value'/></preferences></osm>"
+      put :update
+    end
+    assert_response :not_acceptable
+    assert_equal "text/plain", @response.content_type
+    assert_equal "OH NOES! CAN HAS UNIQUE KEYS?", @response.body
+    assert_equal "new_value", UserPreference.find(1, "key").v
+
+    # try a put with invalid content
+    assert_no_difference "UserPreference.count" do
+      content "nonsense"
+      put :update
+    end
+    assert_response :bad_request
+  end
+
+  ##
+  # test update_one action
+  def test_update_one
+    # try a put without auth
+    assert_no_difference "UserPreference.count" do
+      content "new_value"
+      put :update_one, :preference_key => "new_key"
+    end
+    assert_response :unauthorized, "should be authenticated"
+    assert_raises ActiveRecord::RecordNotFound do
+      UserPreference.find(1, "new_key")
+    end
+
+    # authenticate as a user with preferences
+    basic_authorization("test@openstreetmap.org", "test")
+
+    # try adding a new preference
+    assert_difference "UserPreference.count", 1 do
+      content "new_value"
+      put :update_one, :preference_key => "new_key"
+    end
+    assert_response :success
+    assert_equal "text/plain", @response.content_type
+    assert_equal " ", @response.body
+    assert_equal "new_value", UserPreference.find(1, "new_key").v
+
+    # try changing the value of a preference
+    assert_no_difference "UserPreference.count" do
+      content "newer_value"
+      put :update_one, :preference_key => "new_key"
+    end
+    assert_response :success
+    assert_equal "text/plain", @response.content_type
+    assert_equal " ", @response.body
+    assert_equal "newer_value", UserPreference.find(1, "new_key").v
+  end
+
+  ##
+  # test delete_one action
+  def test_delete_one
+    # try a delete without auth
+    assert_no_difference "UserPreference.count" do
+      delete :delete_one, :preference_key => "key"
+    end
+    assert_response :unauthorized, "should be authenticated"
+    assert_equal "value", UserPreference.find(1, "key").v
+
+    # authenticate as a user with preferences
+    basic_authorization("test@openstreetmap.org", "test")
+
+    # try the delete again
+    assert_difference "UserPreference.count", -1 do
+      get :delete_one, :preference_key => "key"
+    end
+    assert_response :success
+    assert_equal "text/plain", @response.content_type
+    assert_equal " ", @response.body
+    assert_raises ActiveRecord::RecordNotFound do
+      UserPreference.find(1, "key")
+    end
+
+    # try the delete again for the same key
+    assert_no_difference "UserPreference.count" do
+      get :delete_one, :preference_key => "key"
+    end
+    assert_response :not_found
+    assert_raises ActiveRecord::RecordNotFound do
+      UserPreference.find(1, "key")
+    end
+  end
 end