X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/11cc4a5e601dd288d601e6e35a72d159062f18b5..51d2a846ece990db7c4109ecf923ad9201c6f8e6:/test/controllers/api/relations_controller_test.rb?ds=sidebyside

diff --git a/test/controllers/api/relations_controller_test.rb b/test/controllers/api/relations_controller_test.rb
index f16a85b3e..982df1dd7 100644
--- a/test/controllers/api/relations_controller_test.rb
+++ b/test/controllers/api/relations_controller_test.rb
@@ -1,7 +1,7 @@
 require "test_helper"
 
 module Api
-  class RelationsControllerTest < ActionController::TestCase
+  class RelationsControllerTest < ActionDispatch::IntegrationTest
     ##
     # test all routes which lead to this controller
     def test_routes
@@ -11,11 +11,19 @@ module Api
       )
       assert_routing(
         { :path => "/api/0.6/relation/1/full", :method => :get },
-        { :controller => "api/relations", :action => "full", :id => "1", :format => "xml" }
+        { :controller => "api/relations", :action => "full", :id => "1" }
+      )
+      assert_routing(
+        { :path => "/api/0.6/relation/1/full.json", :method => :get },
+        { :controller => "api/relations", :action => "full", :id => "1", :format => "json" }
       )
       assert_routing(
         { :path => "/api/0.6/relation/1", :method => :get },
-        { :controller => "api/relations", :action => "show", :id => "1", :format => "xml" }
+        { :controller => "api/relations", :action => "show", :id => "1" }
+      )
+      assert_routing(
+        { :path => "/api/0.6/relation/1.json", :method => :get },
+        { :controller => "api/relations", :action => "show", :id => "1", :format => "json" }
       )
       assert_routing(
         { :path => "/api/0.6/relation/1", :method => :put },
@@ -27,20 +35,36 @@ module Api
       )
       assert_routing(
         { :path => "/api/0.6/relations", :method => :get },
-        { :controller => "api/relations", :action => "index", :format => "xml" }
+        { :controller => "api/relations", :action => "index" }
+      )
+      assert_routing(
+        { :path => "/api/0.6/relations.json", :method => :get },
+        { :controller => "api/relations", :action => "index", :format => "json" }
       )
 
       assert_routing(
         { :path => "/api/0.6/node/1/relations", :method => :get },
-        { :controller => "api/relations", :action => "relations_for_node", :id => "1", :format => "xml" }
+        { :controller => "api/relations", :action => "relations_for_node", :id => "1" }
       )
       assert_routing(
         { :path => "/api/0.6/way/1/relations", :method => :get },
-        { :controller => "api/relations", :action => "relations_for_way", :id => "1", :format => "xml" }
+        { :controller => "api/relations", :action => "relations_for_way", :id => "1" }
       )
       assert_routing(
         { :path => "/api/0.6/relation/1/relations", :method => :get },
-        { :controller => "api/relations", :action => "relations_for_relation", :id => "1", :format => "xml" }
+        { :controller => "api/relations", :action => "relations_for_relation", :id => "1" }
+      )
+      assert_routing(
+        { :path => "/api/0.6/node/1/relations.json", :method => :get },
+        { :controller => "api/relations", :action => "relations_for_node", :id => "1", :format => "json" }
+      )
+      assert_routing(
+        { :path => "/api/0.6/way/1/relations.json", :method => :get },
+        { :controller => "api/relations", :action => "relations_for_way", :id => "1", :format => "json" }
+      )
+      assert_routing(
+        { :path => "/api/0.6/relation/1/relations.json", :method => :get },
+        { :controller => "api/relations", :action => "relations_for_relation", :id => "1", :format => "json" }
       )
     end
 
@@ -50,15 +74,15 @@ module Api
 
     def test_show
       # check that a visible relation is returned properly
-      get :show, :params => { :id => create(:relation).id }, :format => :xml
+      get api_relation_path(create(:relation))
       assert_response :success
 
       # check that an invisible relation is not returned
-      get :show, :params => { :id => create(:relation, :deleted).id }, :format => :xml
+      get api_relation_path(create(:relation, :deleted))
       assert_response :gone
 
       # check chat a non-existent relation is not returned
-      get :show, :params => { :id => 0 }, :format => :xml
+      get api_relation_path(0)
       assert_response :not_found
     end
 
@@ -78,12 +102,12 @@ module Api
       second_relation = create(:relation_member, :member => node).relation
       _super_relation = create(:relation_member, :member => second_relation).relation
       # should combine multiple relation_member references into just one relation entry
-      create(:relation_member, :member => node, :relation => relation_with_node, :sequence_id => 2)
+      create(:relation_member, :member => node, :relation => relation_with_node)
       # should not include deleted relations
       deleted_relation = create(:relation, :deleted)
       create(:relation_member, :member => node, :relation => deleted_relation)
 
-      check_relations_for_element(:relations_for_node, "node",
+      check_relations_for_element(node_relations_path(node), "node",
                                   node.id,
                                   [relation_with_node, second_relation])
     end
@@ -98,12 +122,12 @@ module Api
       second_relation = create(:relation_member, :member => way).relation
       _super_relation = create(:relation_member, :member => second_relation).relation
       # should combine multiple relation_member references into just one relation entry
-      create(:relation_member, :member => way, :relation => relation_with_way, :sequence_id => 2)
+      create(:relation_member, :member => way, :relation => relation_with_way)
       # should not include deleted relations
       deleted_relation = create(:relation, :deleted)
       create(:relation_member, :member => way, :relation => deleted_relation)
 
-      check_relations_for_element(:relations_for_way, "way",
+      check_relations_for_element(way_relations_path(way), "way",
                                   way.id,
                                   [relation_with_way, second_relation])
     end
@@ -118,43 +142,24 @@ module Api
       second_relation = create(:relation_member, :member => relation).relation
       _super_relation = create(:relation_member, :member => second_relation).relation
       # should combine multiple relation_member references into just one relation entry
-      create(:relation_member, :member => relation, :relation => relation_with_relation, :sequence_id => 2)
+      create(:relation_member, :member => relation, :relation => relation_with_relation)
       # should not include deleted relations
       deleted_relation = create(:relation, :deleted)
       create(:relation_member, :member => relation, :relation => deleted_relation)
-      check_relations_for_element(:relations_for_relation, "relation",
+      check_relations_for_element(relation_relations_path(relation), "relation",
                                   relation.id,
                                   [relation_with_relation, second_relation])
     end
 
-    def check_relations_for_element(method, type, id, expected_relations)
-      # check the "relations for relation" mode
-      get method, :params => { :id => id }, :format => :xml
-      assert_response :success
-
-      # count one osm element
-      assert_select "osm[version='#{Settings.api_version}'][generator='OpenStreetMap server']", 1
-
-      # we should have only the expected number of relations
-      assert_select "osm>relation", expected_relations.size
-
-      # and each of them should contain the element we originally searched for
-      expected_relations.each do |relation|
-        # The relation should appear once, but the element could appear multiple times
-        assert_select "osm>relation[id='#{relation.id}']", 1
-        assert_select "osm>relation[id='#{relation.id}']>member[type='#{type}'][ref='#{id}']"
-      end
-    end
-
     def test_full
       # check the "full" mode
-      get :full, :params => { :id => 999999 }, :format => :xml
+      get relation_full_path(:id => 999999)
       assert_response :not_found
 
-      get :full, :params => { :id => create(:relation, :deleted).id }, :format => :xml
+      get relation_full_path(:id => create(:relation, :deleted).id)
       assert_response :gone
 
-      get :full, :params => { :id => create(:relation).id }, :format => :xml
+      get relation_full_path(:id => create(:relation).id)
       assert_response :success
       # FIXME: check whether this contains the stuff we want!
     end
@@ -169,15 +174,15 @@ module Api
       relation4.old_relations.find_by(:version => 1).redact!(create(:redaction))
 
       # check error when no parameter provided
-      get :index, :format => :xml
+      get relations_path
       assert_response :bad_request
 
       # check error when no parameter value provided
-      get :index, :params => { :relations => "" }, :format => :xml
+      get relations_path(:relations => "")
       assert_response :bad_request
 
       # test a working call
-      get :index, :params => { :relations => "#{relation1.id},#{relation2.id},#{relation3.id},#{relation4.id}" }, :format => :xml
+      get relations_path(:relations => "#{relation1.id},#{relation2.id},#{relation3.id},#{relation4.id}")
       assert_response :success
       assert_select "osm" do
         assert_select "relation", :count => 4
@@ -187,8 +192,20 @@ module Api
         assert_select "relation[id='#{relation4.id}'][visible='true']", :count => 1
       end
 
+      # test a working call with json format
+      get relations_path(:relations => "#{relation1.id},#{relation2.id},#{relation3.id},#{relation4.id}", :format => "json")
+
+      js = ActiveSupport::JSON.decode(@response.body)
+      assert_not_nil js
+      assert_equal 4, js["elements"].count
+      assert_equal 4, (js["elements"].count { |a| a["type"] == "relation" })
+      assert_equal 1, (js["elements"].count { |a| a["id"] == relation1.id && a["visible"].nil? })
+      assert_equal 1, (js["elements"].count { |a| a["id"] == relation2.id && a["visible"] == false })
+      assert_equal 1, (js["elements"].count { |a| a["id"] == relation3.id && a["visible"].nil? })
+      assert_equal 1, (js["elements"].count { |a| a["id"] == relation4.id && a["visible"].nil? })
+
       # check error when a non-existent relation is included
-      get :index, :params => { :relations => "#{relation1.id},#{relation2.id},#{relation3.id},#{relation4.id},0" }, :format => :xml
+      get relations_path(:relations => "#{relation1.id},#{relation2.id},#{relation3.id},#{relation4.id},0")
       assert_response :not_found
     end
 
@@ -204,11 +221,11 @@ module Api
       node = create(:node)
       way = create(:way_with_nodes, :nodes_count => 2)
 
-      basic_authorization private_user.email, "test"
+      auth_header = basic_authorization_header private_user.email, "test"
 
       # create an relation without members
       xml = "<osm><relation changeset='#{private_changeset.id}'><tag k='test' v='yes' /></relation></osm>"
-      put :create, :body => xml
+      put relation_create_path, :params => xml, :headers => auth_header
       # hope for forbidden, due to user
       assert_response :forbidden,
                       "relation upload should have failed with forbidden"
@@ -219,7 +236,7 @@ module Api
       xml = "<osm><relation changeset='#{private_changeset.id}'>" \
             "<member  ref='#{node.id}' type='node' role='some'/>" \
             "<tag k='test' v='yes' /></relation></osm>"
-      put :create, :body => xml
+      put relation_create_path, :params => xml, :headers => auth_header
       # hope for forbidden due to user
       assert_response :forbidden,
                       "relation upload did not return forbidden status"
@@ -228,8 +245,8 @@ module Api
       # create an relation with a node as member, this time test that we don't
       # need a role attribute to be included
       xml = "<osm><relation changeset='#{private_changeset.id}'>" \
-            "<member  ref='#{node.id}' type='node'/>" + "<tag k='test' v='yes' /></relation></osm>"
-      put :create, :body => xml
+            "<member  ref='#{node.id}' type='node'/><tag k='test' v='yes' /></relation></osm>"
+      put relation_create_path, :params => xml, :headers => auth_header
       # hope for forbidden due to user
       assert_response :forbidden,
                       "relation upload did not return forbidden status"
@@ -240,17 +257,17 @@ module Api
             "<member type='node' ref='#{node.id}' role='some'/>" \
             "<member type='way' ref='#{way.id}' role='other'/>" \
             "<tag k='test' v='yes' /></relation></osm>"
-      put :create, :body => xml
+      put relation_create_path, :params => xml, :headers => auth_header
       # hope for forbidden, due to user
       assert_response :forbidden,
                       "relation upload did not return success status"
 
       ## Now try with the public user
-      basic_authorization user.email, "test"
+      auth_header = basic_authorization_header user.email, "test"
 
       # create an relation without members
       xml = "<osm><relation changeset='#{changeset.id}'><tag k='test' v='yes' /></relation></osm>"
-      put :create, :body => xml
+      put relation_create_path, :params => xml, :headers => auth_header
       # hope for success
       assert_response :success,
                       "relation upload did not return success status"
@@ -260,18 +277,16 @@ module Api
       assert_not_nil checkrelation,
                      "uploaded relation not found in data base after upload"
       # compare values
-      assert_equal checkrelation.members.length, 0,
-                   "saved relation contains members but should not"
-      assert_equal checkrelation.tags.length, 1,
-                   "saved relation does not contain exactly one tag"
+      assert_equal(0, checkrelation.members.length, "saved relation contains members but should not")
+      assert_equal(1, checkrelation.tags.length, "saved relation does not contain exactly one tag")
       assert_equal changeset.id, checkrelation.changeset.id,
                    "saved relation does not belong in the changeset it was assigned to"
       assert_equal user.id, checkrelation.changeset.user_id,
                    "saved relation does not belong to user that created it"
-      assert_equal true, checkrelation.visible,
-                   "saved relation is not visible"
+      assert checkrelation.visible,
+             "saved relation is not visible"
       # ok the relation is there but can we also retrieve it?
-      get :show, :params => { :id => relationid }, :format => :xml
+      get api_relation_path(relationid)
       assert_response :success
 
       ###
@@ -280,7 +295,7 @@ module Api
       xml = "<osm><relation changeset='#{changeset.id}'>" \
             "<member  ref='#{node.id}' type='node' role='some'/>" \
             "<tag k='test' v='yes' /></relation></osm>"
-      put :create, :body => xml
+      put relation_create_path, :params => xml, :headers => auth_header
       # hope for success
       assert_response :success,
                       "relation upload did not return success status"
@@ -290,27 +305,25 @@ module Api
       assert_not_nil checkrelation,
                      "uploaded relation not found in data base after upload"
       # compare values
-      assert_equal checkrelation.members.length, 1,
-                   "saved relation does not contain exactly one member"
-      assert_equal checkrelation.tags.length, 1,
-                   "saved relation does not contain exactly one tag"
+      assert_equal(1, checkrelation.members.length, "saved relation does not contain exactly one member")
+      assert_equal(1, checkrelation.tags.length, "saved relation does not contain exactly one tag")
       assert_equal changeset.id, checkrelation.changeset.id,
                    "saved relation does not belong in the changeset it was assigned to"
       assert_equal user.id, checkrelation.changeset.user_id,
                    "saved relation does not belong to user that created it"
-      assert_equal true, checkrelation.visible,
-                   "saved relation is not visible"
+      assert checkrelation.visible,
+             "saved relation is not visible"
       # ok the relation is there but can we also retrieve it?
 
-      get :show, :params => { :id => relationid }, :format => :xml
+      get api_relation_path(relationid)
       assert_response :success
 
       ###
       # create an relation with a node as member, this time test that we don't
       # need a role attribute to be included
       xml = "<osm><relation changeset='#{changeset.id}'>" \
-            "<member  ref='#{node.id}' type='node'/>" + "<tag k='test' v='yes' /></relation></osm>"
-      put :create, :body => xml
+            "<member  ref='#{node.id}' type='node'/><tag k='test' v='yes' /></relation></osm>"
+      put relation_create_path, :params => xml, :headers => auth_header
       # hope for success
       assert_response :success,
                       "relation upload did not return success status"
@@ -320,19 +333,17 @@ module Api
       assert_not_nil checkrelation,
                      "uploaded relation not found in data base after upload"
       # compare values
-      assert_equal checkrelation.members.length, 1,
-                   "saved relation does not contain exactly one member"
-      assert_equal checkrelation.tags.length, 1,
-                   "saved relation does not contain exactly one tag"
+      assert_equal(1, checkrelation.members.length, "saved relation does not contain exactly one member")
+      assert_equal(1, checkrelation.tags.length, "saved relation does not contain exactly one tag")
       assert_equal changeset.id, checkrelation.changeset.id,
                    "saved relation does not belong in the changeset it was assigned to"
       assert_equal user.id, checkrelation.changeset.user_id,
                    "saved relation does not belong to user that created it"
-      assert_equal true, checkrelation.visible,
-                   "saved relation is not visible"
+      assert checkrelation.visible,
+             "saved relation is not visible"
       # ok the relation is there but can we also retrieve it?
 
-      get :show, :params => { :id => relationid }, :format => :xml
+      get api_relation_path(relationid)
       assert_response :success
 
       ###
@@ -341,7 +352,7 @@ module Api
             "<member type='node' ref='#{node.id}' role='some'/>" \
             "<member type='way' ref='#{way.id}' role='other'/>" \
             "<tag k='test' v='yes' /></relation></osm>"
-      put :create, :body => xml
+      put relation_create_path, :params => xml, :headers => auth_header
       # hope for success
       assert_response :success,
                       "relation upload did not return success status"
@@ -351,18 +362,16 @@ module Api
       assert_not_nil checkrelation,
                      "uploaded relation not found in data base after upload"
       # compare values
-      assert_equal checkrelation.members.length, 2,
-                   "saved relation does not have exactly two members"
-      assert_equal checkrelation.tags.length, 1,
-                   "saved relation does not contain exactly one tag"
+      assert_equal(2, checkrelation.members.length, "saved relation does not have exactly two members")
+      assert_equal(1, checkrelation.tags.length, "saved relation does not contain exactly one tag")
       assert_equal changeset.id, checkrelation.changeset.id,
                    "saved relation does not belong in the changeset it was assigned to"
       assert_equal user.id, checkrelation.changeset.user_id,
                    "saved relation does not belong to user that created it"
-      assert_equal true, checkrelation.visible,
-                   "saved relation is not visible"
+      assert checkrelation.visible,
+             "saved relation is not visible"
       # ok the relation is there but can we also retrieve it?
-      get :show, :params => { :id => relationid }, :format => :xml
+      get api_relation_path(relationid)
       assert_response :success
     end
 
@@ -382,7 +391,7 @@ module Api
       relation = create(:relation)
       create_list(:relation_tag, 4, :relation => relation)
 
-      basic_authorization user.email, "test"
+      auth_header = basic_authorization_header user.email, "test"
 
       with_relation(relation.id) do |rel|
         # alter one of the tags
@@ -391,7 +400,7 @@ module Api
         update_changeset(rel, changeset.id)
 
         # check that the downloaded tags are the same as the uploaded tags...
-        new_version = with_update(rel) do |new_rel|
+        new_version = with_update(rel, auth_header) do |new_rel|
           assert_tags_equal rel, new_rel
         end
 
@@ -414,7 +423,7 @@ module Api
       relation = create(:relation)
       create_list(:relation_tag, 4, :relation => relation)
 
-      basic_authorization user.email, "test"
+      auth_header = basic_authorization_header user.email, "test"
 
       with_relation(relation.id) do |rel|
         # alter one of the tags
@@ -423,7 +432,7 @@ module Api
         update_changeset(rel, changeset.id)
 
         # check that the downloaded tags are the same as the uploaded tags...
-        new_version = with_update_diff(rel) do |new_rel|
+        new_version = with_update_diff(rel, auth_header) do |new_rel|
           assert_tags_equal rel, new_rel
         end
 
@@ -441,10 +450,10 @@ module Api
       relation = create(:relation)
       other_relation = create(:relation)
 
-      basic_authorization user.email, "test"
+      auth_header = basic_authorization_header user.email, "test"
       with_relation(relation.id) do |rel|
         update_changeset(rel, changeset.id)
-        put :update, :params => { :id => other_relation.id }, :body => rel.to_s
+        put api_relation_path(other_relation), :params => rel.to_s, :headers => auth_header
         assert_response :bad_request
       end
     end
@@ -457,13 +466,13 @@ module Api
       user = create(:user)
       changeset = create(:changeset, :user => user)
 
-      basic_authorization user.email, "test"
+      auth_header = basic_authorization_header user.email, "test"
 
       # create a relation with non-existing node as member
       xml = "<osm><relation changeset='#{changeset.id}'>" \
             "<member type='node' ref='0'/><tag k='test' v='yes' />" \
             "</relation></osm>"
-      put :create, :body => xml
+      put relation_create_path, :params => xml, :headers => auth_header
       # expect failure
       assert_response :precondition_failed,
                       "relation upload with invalid node did not return 'precondition failed'"
@@ -478,13 +487,13 @@ module Api
       changeset = create(:changeset, :user => user)
       node = create(:node)
 
-      basic_authorization user.email, "test"
+      auth_header = basic_authorization_header user.email, "test"
 
       # create some xml that should return an error
       xml = "<osm><relation changeset='#{changeset.id}'>" \
             "<member type='type' ref='#{node.id}' role=''/>" \
             "<tag k='tester' v='yep'/></relation></osm>"
-      put :create, :body => xml
+      put relation_create_path, :params => xml, :headers => auth_header
       # expect failure
       assert_response :bad_request
       assert_match(/Cannot parse valid relation from xml string/, @response.body)
@@ -509,122 +518,121 @@ module Api
       create_list(:relation_tag, 4, :relation => multi_tag_relation)
 
       ## First try to delete relation without auth
-      delete :delete, :params => { :id => relation.id }
+      delete api_relation_path(relation)
       assert_response :unauthorized
 
       ## Then try with the private user, to make sure that you get a forbidden
-      basic_authorization private_user.email, "test"
+      auth_header = basic_authorization_header private_user.email, "test"
 
       # this shouldn't work, as we should need the payload...
-      delete :delete, :params => { :id => relation.id }
+      delete api_relation_path(relation), :headers => auth_header
       assert_response :forbidden
 
       # try to delete without specifying a changeset
       xml = "<osm><relation id='#{relation.id}'/></osm>"
-      delete :delete, :params => { :id => relation.id }, :body => xml.to_s
+      delete api_relation_path(relation), :params => xml.to_s, :headers => auth_header
       assert_response :forbidden
 
       # try to delete with an invalid (closed) changeset
-      xml = update_changeset(relation.to_xml,
+      xml = update_changeset(xml_for_relation(relation),
                              private_user_closed_changeset.id)
-      delete :delete, :params => { :id => relation.id }, :body => xml.to_s
+      delete api_relation_path(relation), :params => xml.to_s, :headers => auth_header
       assert_response :forbidden
 
       # try to delete with an invalid (non-existent) changeset
-      xml = update_changeset(relation.to_xml, 0)
-      delete :delete, :params => { :id => relation.id }, :body => xml.to_s
+      xml = update_changeset(xml_for_relation(relation), 0)
+      delete api_relation_path(relation), :params => xml.to_s, :headers => auth_header
       assert_response :forbidden
 
       # this won't work because the relation is in-use by another relation
-      xml = used_relation.to_xml
-      delete :delete, :params => { :id => used_relation.id }, :body => xml.to_s
+      xml = xml_for_relation(used_relation)
+      delete api_relation_path(used_relation), :params => xml.to_s, :headers => auth_header
       assert_response :forbidden
 
       # this should work when we provide the appropriate payload...
-      xml = relation.to_xml
-      delete :delete, :params => { :id => relation.id }, :body => xml.to_s
+      xml = xml_for_relation(relation)
+      delete api_relation_path(relation), :params => xml.to_s, :headers => auth_header
       assert_response :forbidden
 
       # this won't work since the relation is already deleted
-      xml = deleted_relation.to_xml
-      delete :delete, :params => { :id => deleted_relation.id }, :body => xml.to_s
+      xml = xml_for_relation(deleted_relation)
+      delete api_relation_path(deleted_relation), :params => xml.to_s, :headers => auth_header
       assert_response :forbidden
 
       # this won't work since the relation never existed
-      delete :delete, :params => { :id => 0 }
+      delete api_relation_path(0), :headers => auth_header
       assert_response :forbidden
 
       ## now set auth for the public user
-      basic_authorization user.email, "test"
+      auth_header = basic_authorization_header user.email, "test"
 
       # this shouldn't work, as we should need the payload...
-      delete :delete, :params => { :id => relation.id }
+      delete api_relation_path(relation), :headers => auth_header
       assert_response :bad_request
 
       # try to delete without specifying a changeset
       xml = "<osm><relation id='#{relation.id}' version='#{relation.version}' /></osm>"
-      delete :delete, :params => { :id => relation.id }, :body => xml.to_s
+      delete api_relation_path(relation), :params => xml.to_s, :headers => auth_header
       assert_response :bad_request
       assert_match(/Changeset id is missing/, @response.body)
 
       # try to delete with an invalid (closed) changeset
-      xml = update_changeset(relation.to_xml,
+      xml = update_changeset(xml_for_relation(relation),
                              closed_changeset.id)
-      delete :delete, :params => { :id => relation.id }, :body => xml.to_s
+      delete api_relation_path(relation), :params => xml.to_s, :headers => auth_header
       assert_response :conflict
 
       # try to delete with an invalid (non-existent) changeset
-      xml = update_changeset(relation.to_xml, 0)
-      delete :delete, :params => { :id => relation.id }, :body => xml.to_s
+      xml = update_changeset(xml_for_relation(relation), 0)
+      delete api_relation_path(relation), :params => xml.to_s, :headers => auth_header
       assert_response :conflict
 
       # this won't work because the relation is in a changeset owned by someone else
-      xml = update_changeset(relation.to_xml, create(:changeset).id)
-      delete :delete, :params => { :id => relation.id }, :body => xml.to_s
+      xml = update_changeset(xml_for_relation(relation), create(:changeset).id)
+      delete api_relation_path(relation), :params => xml.to_s, :headers => auth_header
       assert_response :conflict,
                       "shouldn't be able to delete a relation in a changeset owned by someone else (#{@response.body})"
 
       # this won't work because the relation in the payload is different to that passed
-      xml = update_changeset(relation.to_xml, changeset.id)
-      delete :delete, :params => { :id => create(:relation).id }, :body => xml.to_s
+      xml = update_changeset(xml_for_relation(relation), changeset.id)
+      delete api_relation_path(create(:relation)), :params => xml.to_s, :headers => auth_header
       assert_response :bad_request, "shouldn't be able to delete a relation when payload is different to the url"
 
       # this won't work because the relation is in-use by another relation
-      xml = update_changeset(used_relation.to_xml, changeset.id)
-      delete :delete, :params => { :id => used_relation.id }, :body => xml.to_s
+      xml = update_changeset(xml_for_relation(used_relation), changeset.id)
+      delete api_relation_path(used_relation), :params => xml.to_s, :headers => auth_header
       assert_response :precondition_failed,
                       "shouldn't be able to delete a relation used in a relation (#{@response.body})"
       assert_equal "Precondition failed: The relation #{used_relation.id} is used in relation #{super_relation.id}.", @response.body
 
       # this should work when we provide the appropriate payload...
-      xml = update_changeset(multi_tag_relation.to_xml, changeset.id)
-      delete :delete, :params => { :id => multi_tag_relation.id }, :body => xml.to_s
+      xml = update_changeset(xml_for_relation(multi_tag_relation), changeset.id)
+      delete api_relation_path(multi_tag_relation), :params => xml.to_s, :headers => auth_header
       assert_response :success
 
       # valid delete should return the new version number, which should
       # be greater than the old version number
-      assert @response.body.to_i > multi_tag_relation.version,
-             "delete request should return a new version number for relation"
+      assert_operator @response.body.to_i, :>, multi_tag_relation.version, "delete request should return a new version number for relation"
 
       # this won't work since the relation is already deleted
-      xml = update_changeset(deleted_relation.to_xml, changeset.id)
-      delete :delete, :params => { :id => deleted_relation.id }, :body => xml.to_s
+      xml = update_changeset(xml_for_relation(deleted_relation), changeset.id)
+      delete api_relation_path(deleted_relation), :params => xml.to_s, :headers => auth_header
       assert_response :gone
 
       # Public visible relation needs to be deleted
-      xml = update_changeset(super_relation.to_xml, changeset.id)
-      delete :delete, :params => { :id => super_relation.id }, :body => xml.to_s
+      xml = update_changeset(xml_for_relation(super_relation), changeset.id)
+      delete api_relation_path(super_relation), :params => xml.to_s, :headers => auth_header
       assert_response :success
 
       # this works now because the relation which was using this one
       # has been deleted.
-      xml = update_changeset(used_relation.to_xml, changeset.id)
-      delete :delete, :params => { :id => used_relation.id }, :body => xml.to_s
+      xml = update_changeset(xml_for_relation(used_relation), changeset.id)
+      delete api_relation_path(used_relation), :params => xml.to_s, :headers => auth_header
       assert_response :success,
                       "should be able to delete a relation used in an old relation (#{@response.body})"
 
       # this won't work since the relation never existed
-      delete :delete, :params => { :id => 0 }
+      delete api_relation_path(0), :headers => auth_header
       assert_response :not_found
     end
 
@@ -633,17 +641,17 @@ module Api
     # box of all its members into the changeset.
     def test_tag_modify_bounding_box
       relation = create(:relation)
-      node1 = create(:node, :lat => 3, :lon => 3)
-      node2 = create(:node, :lat => 5, :lon => 5)
+      node1 = create(:node, :lat => 0.3, :lon => 0.3)
+      node2 = create(:node, :lat => 0.5, :lon => 0.5)
       way = create(:way)
       create(:way_node, :way => way, :node => node1)
       create(:relation_member, :relation => relation, :member => way)
       create(:relation_member, :relation => relation, :member => node2)
       # the relation contains nodes1 and node2 (node1
-      # indirectly via the way), so the bbox should be [3,3,5,5].
-      check_changeset_modify(BoundingBox.new(3, 3, 5, 5)) do |changeset_id|
+      # indirectly via the way), so the bbox should be [0.3,0.3,0.5,0.5].
+      check_changeset_modify(BoundingBox.new(0.3, 0.3, 0.5, 0.5)) do |changeset_id, auth_header|
         # add a tag to an existing relation
-        relation_xml = relation.to_xml
+        relation_xml = xml_for_relation(relation)
         relation_element = relation_xml.find("//osm/relation").first
         new_tag = XML::Node.new("tag")
         new_tag["k"] = "some_new_tag"
@@ -654,7 +662,7 @@ module Api
         update_changeset(relation_xml, changeset_id)
 
         # upload the change
-        put :update, :params => { :id => relation.id }, :body => relation_xml.to_s
+        put api_relation_path(relation), :params => relation_xml.to_s, :headers => auth_header
         assert_response :success, "can't update relation for tag/bbox test"
       end
     end
@@ -674,8 +682,8 @@ module Api
 
       [node1, node2, way1, way2].each do |element|
         bbox = element.bbox.to_unscaled
-        check_changeset_modify(bbox) do |changeset_id|
-          relation_xml = Relation.find(relation.id).to_xml
+        check_changeset_modify(bbox) do |changeset_id, auth_header|
+          relation_xml = xml_for_relation(Relation.find(relation.id))
           relation_element = relation_xml.find("//osm/relation").first
           new_member = XML::Node.new("member")
           new_member["ref"] = element.id.to_s
@@ -687,11 +695,11 @@ module Api
           update_changeset(relation_xml, changeset_id)
 
           # upload the change
-          put :update, :params => { :id => relation.id }, :body => relation_xml.to_s
+          put api_relation_path(relation), :params => relation_xml.to_s, :headers => auth_header
           assert_response :success, "can't update relation for add #{element.class}/bbox test: #{@response.body}"
 
           # get it back and check the ordering
-          get :show, :params => { :id => relation.id }, :format => :xml
+          get api_relation_path(relation)
           assert_response :success, "can't read back the relation: #{@response.body}"
           check_ordering(relation_xml, @response.body)
         end
@@ -708,9 +716,9 @@ module Api
       create(:relation_member, :relation => relation, :member => node1)
       create(:relation_member, :relation => relation, :member => node2)
 
-      check_changeset_modify(BoundingBox.new(5, 5, 5, 5)) do |changeset_id|
+      check_changeset_modify(BoundingBox.new(5, 5, 5, 5)) do |changeset_id, auth_header|
         # remove node 5 (5,5) from an existing relation
-        relation_xml = relation.to_xml
+        relation_xml = xml_for_relation(relation)
         relation_xml
           .find("//osm/relation/member[@type='node'][@ref='#{node2.id}']")
           .first.remove!
@@ -719,7 +727,7 @@ module Api
         update_changeset(relation_xml, changeset_id)
 
         # upload the change
-        put :update, :params => { :id => relation.id }, :body => relation_xml.to_s
+        put api_relation_path(relation), :params => relation_xml.to_s, :headers => auth_header
         assert_response :success, "can't update relation for remove node/bbox test"
       end
     end
@@ -735,9 +743,9 @@ module Api
       way1 = create(:way_with_nodes, :nodes_count => 2)
       way2 = create(:way_with_nodes, :nodes_count => 2)
 
-      basic_authorization user.email, "test"
+      auth_header = basic_authorization_header user.email, "test"
 
-      doc_str = <<OSM.strip_heredoc
+      doc_str = <<~OSM
         <osm>
          <relation changeset='#{changeset.id}'>
           <member ref='#{node1.id}' type='node' role='first'/>
@@ -746,15 +754,15 @@ module Api
           <member ref='#{way2.id}' type='way' role='fourth'/>
          </relation>
         </osm>
-OSM
+      OSM
       doc = XML::Parser.string(doc_str).parse
 
-      put :create, :body => doc.to_s
+      put relation_create_path, :params => doc.to_s, :headers => auth_header
       assert_response :success, "can't create a relation: #{@response.body}"
       relation_id = @response.body.to_i
 
       # get it back and check the ordering
-      get :show, :params => { :id => relation_id }, :format => :xml
+      get api_relation_path(relation_id)
       assert_response :success, "can't read back the relation: #{@response.body}"
       check_ordering(doc, @response.body)
 
@@ -769,18 +777,18 @@ OSM
       doc.find("//osm/relation").first["version"] = 1.to_s
 
       # upload the next version of the relation
-      put :update, :params => { :id => relation_id }, :body => doc.to_s
+      put api_relation_path(relation_id), :params => doc.to_s, :headers => auth_header
       assert_response :success, "can't update relation: #{@response.body}"
       assert_equal 2, @response.body.to_i
 
       # get it back again and check the ordering again
-      get :show, :params => { :id => relation_id }, :format => :xml
+      get api_relation_path(relation_id)
       assert_response :success, "can't read back the relation: #{@response.body}"
       check_ordering(doc, @response.body)
 
       # check the ordering in the history tables:
       with_controller(OldRelationsController.new) do
-        get :version, :params => { :id => relation_id, :version => 2 }, :format => :xml
+        get api_old_relation_path(relation_id, 2)
         assert_response :success, "can't read back version 2 of the relation #{relation_id}"
         check_ordering(doc, @response.body)
       end
@@ -795,7 +803,7 @@ OSM
       node1 = create(:node)
       node2 = create(:node)
 
-      doc_str = <<OSM.strip_heredoc
+      doc_str = <<~OSM
         <osm>
          <relation changeset='#{changeset.id}'>
           <member ref='#{node1.id}' type='node' role='forward'/>
@@ -804,24 +812,24 @@ OSM
           <member ref='#{node2.id}' type='node' role='forward'/>
          </relation>
         </osm>
-OSM
+      OSM
       doc = XML::Parser.string(doc_str).parse
 
       ## First try with the private user
-      basic_authorization private_user.email, "test"
+      auth_header = basic_authorization_header private_user.email, "test"
 
-      put :create, :body => doc.to_s
+      put relation_create_path, :params => doc.to_s, :headers => auth_header
       assert_response :forbidden
 
       ## Now try with the public user
-      basic_authorization user.email, "test"
+      auth_header = basic_authorization_header user.email, "test"
 
-      put :create, :body => doc.to_s
+      put relation_create_path, :params => doc.to_s, :headers => auth_header
       assert_response :success, "can't create a relation: #{@response.body}"
       relation_id = @response.body.to_i
 
       # get it back and check the ordering
-      get :show, :params => { :id => relation_id }, :format => :xml
+      get api_relation_path(relation_id)
       assert_response :success, "can't read back the relation: #{relation_id}"
       check_ordering(doc, @response.body)
     end
@@ -836,7 +844,7 @@ OSM
       node3 = create(:node)
       node4 = create(:node)
 
-      doc_str = <<OSM.strip_heredoc
+      doc_str = <<~OSM
         <osm>
          <relation changeset='#{changeset.id}'>
           <member ref='#{node1.id}' type='node' role='forward'/>
@@ -845,22 +853,22 @@ OSM
           <member ref='#{node2.id}' type='node' role='forward'/>
          </relation>
         </osm>
-OSM
+      OSM
       doc = XML::Parser.string(doc_str).parse
-      basic_authorization user.email, "test"
+      auth_header = basic_authorization_header user.email, "test"
 
-      put :create, :body => doc.to_s
+      put relation_create_path, :params => doc.to_s, :headers => auth_header
       assert_response :success, "can't create a relation: #{@response.body}"
       relation_id = @response.body.to_i
 
       # check the ordering in the current tables:
-      get :show, :params => { :id => relation_id }, :format => :xml
+      get api_relation_path(relation_id)
       assert_response :success, "can't read back the relation: #{@response.body}"
       check_ordering(doc, @response.body)
 
       # check the ordering in the history tables:
       with_controller(OldRelationsController.new) do
-        get :version, :params => { :id => relation_id, :version => 1 }, :format => :xml
+        get api_old_relation_path(relation_id, 1)
         assert_response :success, "can't read back version 1 of the relation: #{@response.body}"
         check_ordering(doc, @response.body)
       end
@@ -871,15 +879,15 @@ OSM
     # still technically valid.
     def test_remove_all_members
       relation = create(:relation)
-      node1 = create(:node, :lat => 3, :lon => 3)
-      node2 = create(:node, :lat => 5, :lon => 5)
+      node1 = create(:node, :lat => 0.3, :lon => 0.3)
+      node2 = create(:node, :lat => 0.5, :lon => 0.5)
       way = create(:way)
       create(:way_node, :way => way, :node => node1)
       create(:relation_member, :relation => relation, :member => way)
       create(:relation_member, :relation => relation, :member => node2)
 
-      check_changeset_modify(BoundingBox.new(3, 3, 5, 5)) do |changeset_id|
-        relation_xml = relation.to_xml
+      check_changeset_modify(BoundingBox.new(0.3, 0.3, 0.5, 0.5)) do |changeset_id, auth_header|
+        relation_xml = xml_for_relation(relation)
         relation_xml
           .find("//osm/relation/member")
           .each(&:remove!)
@@ -888,7 +896,7 @@ OSM
         update_changeset(relation_xml, changeset_id)
 
         # upload the change
-        put :update, :params => { :id => relation.id }, :body => relation_xml.to_s
+        put api_relation_path(relation), :params => relation_xml.to_s, :headers => auth_header
         assert_response :success, "can't update relation for remove all members test"
         checkrelation = Relation.find(relation.id)
         assert_not_nil(checkrelation,
@@ -898,9 +906,137 @@ OSM
       end
     end
 
-    # ============================================================
-    # utility functions
-    # ============================================================
+    ##
+    # test initial rate limit
+    def test_initial_rate_limit
+      # create a user
+      user = create(:user)
+
+      # create some nodes
+      node1 = create(:node)
+      node2 = create(:node)
+
+      # create a changeset that puts us near the initial rate limit
+      changeset = create(:changeset, :user => user,
+                                     :created_at => Time.now.utc - 5.minutes,
+                                     :num_changes => Settings.initial_changes_per_hour - 1)
+
+      # create authentication header
+      auth_header = basic_authorization_header user.email, "test"
+
+      # try creating a relation
+      xml = "<osm><relation changeset='#{changeset.id}'>" \
+            "<member  ref='#{node1.id}' type='node' role='some'/>" \
+            "<member  ref='#{node2.id}' type='node' role='some'/>" \
+            "<tag k='test' v='yes' /></relation></osm>"
+      put relation_create_path, :params => xml, :headers => auth_header
+      assert_response :success, "relation create did not return success status"
+
+      # get the id of the relation we created
+      relationid = @response.body
+
+      # try updating the relation, which should be rate limited
+      xml = "<osm><relation id='#{relationid}' version='1' changeset='#{changeset.id}'>" \
+            "<member  ref='#{node2.id}' type='node' role='some'/>" \
+            "<member  ref='#{node1.id}' type='node' role='some'/>" \
+            "<tag k='test' v='yes' /></relation></osm>"
+      put api_relation_path(relationid), :params => xml, :headers => auth_header
+      assert_response :too_many_requests, "relation update did not hit rate limit"
+
+      # try deleting the relation, which should be rate limited
+      xml = "<osm><relation id='#{relationid}' version='2' changeset='#{changeset.id}'/></osm>"
+      delete api_relation_path(relationid), :params => xml, :headers => auth_header
+      assert_response :too_many_requests, "relation delete did not hit rate limit"
+
+      # try creating a relation, which should be rate limited
+      xml = "<osm><relation changeset='#{changeset.id}'>" \
+            "<member  ref='#{node1.id}' type='node' role='some'/>" \
+            "<member  ref='#{node2.id}' type='node' role='some'/>" \
+            "<tag k='test' v='yes' /></relation></osm>"
+      put relation_create_path, :params => xml, :headers => auth_header
+      assert_response :too_many_requests, "relation create did not hit rate limit"
+    end
+
+    ##
+    # test maximum rate limit
+    def test_maximum_rate_limit
+      # create a user
+      user = create(:user)
+
+      # create some nodes
+      node1 = create(:node)
+      node2 = create(:node)
+
+      # create a changeset to establish our initial edit time
+      changeset = create(:changeset, :user => user,
+                                     :created_at => Time.now.utc - 28.days)
+
+      # create changeset to put us near the maximum rate limit
+      total_changes = Settings.max_changes_per_hour - 1
+      while total_changes.positive?
+        changes = [total_changes, Changeset::MAX_ELEMENTS].min
+        changeset = create(:changeset, :user => user,
+                                       :created_at => Time.now.utc - 5.minutes,
+                                       :num_changes => changes)
+        total_changes -= changes
+      end
+
+      # create authentication header
+      auth_header = basic_authorization_header user.email, "test"
+
+      # try creating a relation
+      xml = "<osm><relation changeset='#{changeset.id}'>" \
+            "<member  ref='#{node1.id}' type='node' role='some'/>" \
+            "<member  ref='#{node2.id}' type='node' role='some'/>" \
+            "<tag k='test' v='yes' /></relation></osm>"
+      put relation_create_path, :params => xml, :headers => auth_header
+      assert_response :success, "relation create did not return success status"
+
+      # get the id of the relation we created
+      relationid = @response.body
+
+      # try updating the relation, which should be rate limited
+      xml = "<osm><relation id='#{relationid}' version='1' changeset='#{changeset.id}'>" \
+            "<member  ref='#{node2.id}' type='node' role='some'/>" \
+            "<member  ref='#{node1.id}' type='node' role='some'/>" \
+            "<tag k='test' v='yes' /></relation></osm>"
+      put api_relation_path(relationid), :params => xml, :headers => auth_header
+      assert_response :too_many_requests, "relation update did not hit rate limit"
+
+      # try deleting the relation, which should be rate limited
+      xml = "<osm><relation id='#{relationid}' version='2' changeset='#{changeset.id}'/></osm>"
+      delete api_relation_path(relationid), :params => xml, :headers => auth_header
+      assert_response :too_many_requests, "relation delete did not hit rate limit"
+
+      # try creating a relation, which should be rate limited
+      xml = "<osm><relation changeset='#{changeset.id}'>" \
+            "<member  ref='#{node1.id}' type='node' role='some'/>" \
+            "<member  ref='#{node2.id}' type='node' role='some'/>" \
+            "<tag k='test' v='yes' /></relation></osm>"
+      put relation_create_path, :params => xml, :headers => auth_header
+      assert_response :too_many_requests, "relation create did not hit rate limit"
+    end
+
+    private
+
+    def check_relations_for_element(path, type, id, expected_relations)
+      # check the "relations for relation" mode
+      get path
+      assert_response :success
+
+      # count one osm element
+      assert_select "osm[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1
+
+      # we should have only the expected number of relations
+      assert_select "osm>relation", expected_relations.size
+
+      # and each of them should contain the element we originally searched for
+      expected_relations.each do |relation|
+        # The relation should appear once, but the element could appear multiple times
+        assert_select "osm>relation[id='#{relation.id}']", 1
+        assert_select "osm>relation[id='#{relation.id}']>member[type='#{type}'][ref='#{id}']"
+      end
+    end
 
     ##
     # checks that the XML document and the string arguments have
@@ -926,41 +1062,41 @@ OSM
     # that the changeset bounding box is +bbox+.
     def check_changeset_modify(bbox)
       ## First test with the private user to check that you get a forbidden
-      basic_authorization create(:user, :data_public => false).email, "test"
+      auth_header = basic_authorization_header create(:user, :data_public => false).email, "test"
 
       # create a new changeset for this operation, so we are assured
       # that the bounding box will be newly-generated.
       changeset_id = with_controller(Api::ChangesetsController.new) do
         xml = "<osm><changeset/></osm>"
-        put :create, :body => xml
+        put changeset_create_path, :params => xml, :headers => auth_header
         assert_response :forbidden, "shouldn't be able to create changeset for modify test, as should get forbidden"
       end
 
       ## Now do the whole thing with the public user
-      basic_authorization create(:user).email, "test"
+      auth_header = basic_authorization_header create(:user).email, "test"
 
       # create a new changeset for this operation, so we are assured
       # that the bounding box will be newly-generated.
       changeset_id = with_controller(Api::ChangesetsController.new) do
         xml = "<osm><changeset/></osm>"
-        put :create, :body => xml
+        put changeset_create_path, :params => xml, :headers => auth_header
         assert_response :success, "couldn't create changeset for modify test"
         @response.body.to_i
       end
 
       # go back to the block to do the actual modifies
-      yield changeset_id
+      yield changeset_id, auth_header
 
       # now download the changeset to check its bounding box
       with_controller(Api::ChangesetsController.new) do
-        get :show, :params => { :id => changeset_id }, :format => :xml
+        get changeset_show_path(:id => changeset_id)
         assert_response :success, "can't re-read changeset for modify test"
         assert_select "osm>changeset", 1, "Changeset element doesn't exist in #{@response.body}"
         assert_select "osm>changeset[id='#{changeset_id}']", 1, "Changeset id=#{changeset_id} doesn't exist in #{@response.body}"
-        assert_select "osm>changeset[min_lon='#{format('%.7f', bbox.min_lon)}']", 1, "Changeset min_lon wrong in #{@response.body}"
-        assert_select "osm>changeset[min_lat='#{format('%.7f', bbox.min_lat)}']", 1, "Changeset min_lat wrong in #{@response.body}"
-        assert_select "osm>changeset[max_lon='#{format('%.7f', bbox.max_lon)}']", 1, "Changeset max_lon wrong in #{@response.body}"
-        assert_select "osm>changeset[max_lat='#{format('%.7f', bbox.max_lat)}']", 1, "Changeset max_lat wrong in #{@response.body}"
+        assert_select "osm>changeset[min_lon='#{format('%<lon>.7f', :lon => bbox.min_lon)}']", 1, "Changeset min_lon wrong in #{@response.body}"
+        assert_select "osm>changeset[min_lat='#{format('%<lat>.7f', :lat => bbox.min_lat)}']", 1, "Changeset min_lat wrong in #{@response.body}"
+        assert_select "osm>changeset[max_lon='#{format('%<lon>.7f', :lon => bbox.max_lon)}']", 1, "Changeset max_lon wrong in #{@response.body}"
+        assert_select "osm>changeset[max_lat='#{format('%<lat>.7f', :lat => bbox.max_lat)}']", 1, "Changeset max_lat wrong in #{@response.body}"
       end
     end
 
@@ -970,10 +1106,10 @@ OSM
     # doc is returned.
     def with_relation(id, ver = nil)
       if ver.nil?
-        get :show, :params => { :id => id }, :format => :xml
+        get api_relation_path(id)
       else
         with_controller(OldRelationsController.new) do
-          get :version, :params => { :id => id, :version => ver }, :format => :xml
+          get api_old_relation_path(id, ver)
         end
       end
       assert_response :success
@@ -983,15 +1119,15 @@ OSM
     ##
     # updates the relation (XML) +rel+ and
     # yields the new version of that relation into the block.
-    # the parsed XML doc is retured.
-    def with_update(rel)
+    # the parsed XML doc is returned.
+    def with_update(rel, headers)
       rel_id = rel.find("//osm/relation").first["id"].to_i
-      put :update, :params => { :id => rel_id }, :body => rel.to_s
+      put api_relation_path(rel_id), :params => rel.to_s, :headers => headers
       assert_response :success, "can't update relation: #{@response.body}"
       version = @response.body.to_i
 
       # now get the new version
-      get :show, :params => { :id => rel_id }, :format => :xml
+      get api_relation_path(rel_id)
       assert_response :success
       new_rel = xml_parse(@response.body)
 
@@ -1003,27 +1139,27 @@ OSM
     ##
     # updates the relation (XML) +rel+ via the diff-upload API and
     # yields the new version of that relation into the block.
-    # the parsed XML doc is retured.
-    def with_update_diff(rel)
+    # the parsed XML doc is returned.
+    def with_update_diff(rel, headers)
       rel_id = rel.find("//osm/relation").first["id"].to_i
       cs_id = rel.find("//osm/relation").first["changeset"].to_i
       version = nil
 
       with_controller(Api::ChangesetsController.new) do
-        doc = OSM::API.new.get_xml_doc
+        doc = OSM::API.new.xml_doc
         change = XML::Node.new "osmChange"
         doc.root = change
         modify = XML::Node.new "modify"
         change << modify
         modify << doc.import(rel.find("//osm/relation").first)
 
-        post :upload, :params => { :id => cs_id }, :body => doc.to_s
+        post changeset_upload_path(:id => cs_id), :params => doc.to_s, :headers => headers
         assert_response :success, "can't upload diff relation: #{@response.body}"
         version = xml_parse(@response.body).find("//diffResult/relation").first["new_version"].to_i
       end
 
       # now get the new version
-      get :show, :params => { :id => rel_id }, :format => :xml
+      get api_relation_path(rel_id)
       assert_response :success
       new_rel = xml_parse(@response.body)