Merge branch 'pull/5129'

[rails.git] / test / controllers / api / changesets_controller_test.rb

diff --git a/test/controllers/api/changesets_controller_test.rb b/test/controllers/api/changesets_controller_test.rb
index 50ced0ff1906aef38377086c46e193a674805d63..1d7afa03586130e5041b17a4722857a97f5561cf 100644 (file)
--- a/test/controllers/api/changesets_controller_test.rb
+++ b/test/controllers/api/changesets_controller_test.rb
@@ -51,11 +51,11 @@ module Api
       )
       assert_routing(
         { :path => "/api/0.6/changesets", :method => :get },
       )
       assert_routing(
         { :path => "/api/0.6/changesets", :method => :get },

-        { :controller => "api/changesets", :action => "query" }
+        { :controller => "api/changesets", :action => "index" }

       )
       assert_routing(
         { :path => "/api/0.6/changesets.json", :method => :get },
       )
       assert_routing(
         { :path => "/api/0.6/changesets.json", :method => :get },

-        { :controller => "api/changesets", :action => "query", :format => "json" }
+        { :controller => "api/changesets", :action => "index", :format => "json" }

       )
     end
 
       )
     end
 


@@ -396,7 +396,7 @@ module Api
     # check that a changeset that doesn't exist returns an appropriate message
     def test_show_not_found
       [0, -32, 233455644, "afg", "213"].each do |id|
     # check that a changeset that doesn't exist returns an appropriate message
     def test_show_not_found
       [0, -32, 233455644, "afg", "213"].each do |id|

-        get changeset_show_path(:id => id)
+        get changeset_show_path(id)

         assert_response :not_found, "should get a not found"
       rescue ActionController::UrlGenerationError => e
         assert_match(/No route matches/, e.to_s)
         assert_response :not_found, "should get a not found"
       rescue ActionController::UrlGenerationError => e
         assert_match(/No route matches/, e.to_s)


@@ -424,7 +424,7 @@ module Api
       auth_header = basic_authorization_header user.email, "test"
 
       cs_id = changeset.id
       auth_header = basic_authorization_header user.email, "test"
 
       cs_id = changeset.id

-      put changeset_close_path(:id => cs_id), :headers => auth_header
+      put changeset_close_path(cs_id), :headers => auth_header

       assert_response :success
 
       # test that it really is closed now
       assert_response :success
 
       # test that it really is closed now


@@ -470,7 +470,7 @@ module Api
 
       # First try to do it with no auth
       cs_ids.each do |id|
 
       # First try to do it with no auth
       cs_ids.each do |id|

-        put changeset_close_path(:id => id)
+        put changeset_close_path(id)

         assert_response :unauthorized, "Shouldn't be able close the non-existant changeset #{id}, when not authorized"
       rescue ActionController::UrlGenerationError => e
         assert_match(/No route matches/, e.to_s)
         assert_response :unauthorized, "Shouldn't be able close the non-existant changeset #{id}, when not authorized"
       rescue ActionController::UrlGenerationError => e
         assert_match(/No route matches/, e.to_s)


@@ -479,7 +479,7 @@ module Api
       # Now try with auth
       auth_header = basic_authorization_header create(:user).email, "test"
       cs_ids.each do |id|
       # Now try with auth
       auth_header = basic_authorization_header create(:user).email, "test"
       cs_ids.each do |id|

-        put changeset_close_path(:id => id), :headers => auth_header
+        put changeset_close_path(id), :headers => auth_header

         assert_response :not_found, "The changeset #{id} doesn't exist, so can't be closed"
       rescue ActionController::UrlGenerationError => e
         assert_match(/No route matches/, e.to_s)
         assert_response :not_found, "The changeset #{id} doesn't exist, so can't be closed"
       rescue ActionController::UrlGenerationError => e
         assert_match(/No route matches/, e.to_s)


@@ -636,26 +636,27 @@ module Api
                       "can't upload a simple valid creation to changeset: #{@response.body}"
 
       # check the returned payload
                       "can't upload a simple valid creation to changeset: #{@response.body}"
 
       # check the returned payload

-      assert_select "diffResult[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1
-      assert_select "diffResult>node", 1
-      assert_select "diffResult>way", 1
-      assert_select "diffResult>relation", 1
-
-      # inspect the response to find out what the new element IDs are
-      doc = XML::Parser.string(@response.body).parse
-      new_node_id = doc.find("//diffResult/node").first["new_id"].to_i
-      new_way_id = doc.find("//diffResult/way").first["new_id"].to_i
-      new_rel_id = doc.find("//diffResult/relation").first["new_id"].to_i
-
-      # check the old IDs are all present and negative one
-      assert_equal(-1, doc.find("//diffResult/node").first["old_id"].to_i)
-      assert_equal(-1, doc.find("//diffResult/way").first["old_id"].to_i)
-      assert_equal(-1, doc.find("//diffResult/relation").first["old_id"].to_i)
-
-      # check the versions are present and equal one
-      assert_equal 1, doc.find("//diffResult/node").first["new_version"].to_i
-      assert_equal 1, doc.find("//diffResult/way").first["new_version"].to_i
-      assert_equal 1, doc.find("//diffResult/relation").first["new_version"].to_i
+      new_node_id, new_way_id, new_rel_id = nil
+      assert_dom "diffResult[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1 do
+        # inspect the response to find out what the new element IDs are
+        # check the old IDs are all present and negative one
+        # check the versions are present and equal one
+        assert_dom "> node", 1 do |(node_el)|
+          new_node_id = node_el["new_id"].to_i
+          assert_dom "> @old_id", "-1"
+          assert_dom "> @new_version", "1"
+        end
+        assert_dom "> way", 1 do |(way_el)|
+          new_way_id = way_el["new_id"].to_i
+          assert_dom "> @old_id", "-1"
+          assert_dom "> @new_version", "1"
+        end
+        assert_dom "> relation", 1 do |(rel_el)|
+          new_rel_id = rel_el["new_id"].to_i
+          assert_dom "> @old_id", "-1"
+          assert_dom "> @new_version", "1"
+        end
+      end

 
       # check that the changes made it into the database
       assert_equal 2, Node.find(new_node_id).tags.size, "new node should have two tags"
 
       # check that the changes made it into the database
       assert_equal 2, Node.find(new_node_id).tags.size, "new node should have two tags"


@@ -749,7 +750,11 @@ module Api
     end
 
     def test_upload_large_changeset
     end
 
     def test_upload_large_changeset

-      auth_header = basic_authorization_header create(:user).email, "test"
+      user = create(:user)
+      auth_header = basic_authorization_header user.email, "test"
+
+      # create an old changeset to ensure we have the maximum rate limit
+      create(:changeset, :user => user, :created_at => Time.now.utc - 28.days)

 
       # create a changeset
       put changeset_create_path, :params => "<osm><changeset/></osm>", :headers => auth_header
 
       # create a changeset
       put changeset_create_path, :params => "<osm><changeset/></osm>", :headers => auth_header


@@ -784,7 +789,7 @@ module Api
 
       # upload it, which used to cause an error like "PGError: ERROR:
       # integer out of range" (bug #2152). but shouldn't any more.
 
       # upload it, which used to cause an error like "PGError: ERROR:
       # integer out of range" (bug #2152). but shouldn't any more.

-      post changeset_upload_path(:id => changeset_id), :params => diff, :headers => auth_header
+      post changeset_upload_path(changeset_id), :params => diff, :headers => auth_header

       assert_response :success,
                       "can't upload a spatially-large diff to changeset: #{@response.body}"
 
       assert_response :success,
                       "can't upload a spatially-large diff to changeset: #{@response.body}"
 


@@ -874,28 +879,26 @@ module Api
                       "can't do a conditional delete of in use objects: #{@response.body}"
 
       # check the returned payload
                       "can't do a conditional delete of in use objects: #{@response.body}"
 
       # check the returned payload

-      assert_select "diffResult[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1
-      assert_select "diffResult>node", 1
-      assert_select "diffResult>way", 1
-      assert_select "diffResult>relation", 1
-
-      # parse the response
-      doc = XML::Parser.string(@response.body).parse
-
-      # check the old IDs are all present and what we expect
-      assert_equal used_node.id, doc.find("//diffResult/node").first["old_id"].to_i
-      assert_equal used_way.id, doc.find("//diffResult/way").first["old_id"].to_i
-      assert_equal used_relation.id, doc.find("//diffResult/relation").first["old_id"].to_i
-
-      # check the new IDs are all present and unchanged
-      assert_equal used_node.id, doc.find("//diffResult/node").first["new_id"].to_i
-      assert_equal used_way.id, doc.find("//diffResult/way").first["new_id"].to_i
-      assert_equal used_relation.id, doc.find("//diffResult/relation").first["new_id"].to_i
-
-      # check the new versions are all present and unchanged
-      assert_equal used_node.version, doc.find("//diffResult/node").first["new_version"].to_i
-      assert_equal used_way.version, doc.find("//diffResult/way").first["new_version"].to_i
-      assert_equal used_relation.version, doc.find("//diffResult/relation").first["new_version"].to_i
+      assert_dom "diffResult[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1 do
+        # check the old IDs are all present and what we expect
+        # check the new IDs are all present and unchanged
+        # check the new versions are all present and unchanged
+        assert_dom "> node", 1 do
+          assert_dom "> @old_id", used_node.id.to_s
+          assert_dom "> @new_id", used_node.id.to_s
+          assert_dom "> @new_version", used_node.version.to_s
+        end
+        assert_dom "> way", 1 do
+          assert_dom "> @old_id", used_way.id.to_s
+          assert_dom "> @new_id", used_way.id.to_s
+          assert_dom "> @new_version", used_way.version.to_s
+        end
+        assert_dom "> relation", 1 do
+          assert_dom "> @old_id", used_relation.id.to_s
+          assert_dom "> @new_id", used_relation.id.to_s
+          assert_dom "> @new_version", used_relation.version.to_s
+        end
+      end

 
       # check that nothing was, in fact, deleted
       assert Node.find(used_node.id).visible
 
       # check that nothing was, in fact, deleted
       assert Node.find(used_node.id).visible


@@ -969,14 +972,14 @@ module Api
                       "can't upload a complex diff to changeset: #{@response.body}"
 
       # check the returned payload
                       "can't upload a complex diff to changeset: #{@response.body}"
 
       # check the returned payload

-      assert_select "diffResult[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1
-      assert_select "diffResult>node", 1
-      assert_select "diffResult>way", 1
-      assert_select "diffResult>relation", 1
-
-      # inspect the response to find out what the new element IDs are
-      doc = XML::Parser.string(@response.body).parse
-      new_node_id = doc.find("//diffResult/node").first["new_id"].to_i
+      new_node_id = nil
+      assert_dom "diffResult[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1 do
+        assert_dom "> node", 1 do |(node_el)|
+          new_node_id = node_el["new_id"].to_i
+        end
+        assert_dom "> way", 1
+        assert_dom "> relation", 1
+      end

 
       # check that the changes made it into the database
       assert_equal 2, Node.find(new_node_id).tags.size, "new node should have two tags"
 
       # check that the changes made it into the database
       assert_equal 2, Node.find(new_node_id).tags.size, "new node should have two tags"


@@ -1048,14 +1051,14 @@ module Api
       diff = <<~CHANGESET
         <osmChange>
          <modify>
       diff = <<~CHANGESET
         <osmChange>
          <modify>

-          <node id='#{node.id}' lon='0' lat='0' changeset='#{changeset.id}' version='1'/>
-          <node id='#{node.id}' lon='1' lat='0' changeset='#{changeset.id}' version='2'/>
-          <node id='#{node.id}' lon='1' lat='1' changeset='#{changeset.id}' version='3'/>
-          <node id='#{node.id}' lon='1' lat='2' changeset='#{changeset.id}' version='4'/>
-          <node id='#{node.id}' lon='2' lat='2' changeset='#{changeset.id}' version='5'/>
-          <node id='#{node.id}' lon='3' lat='2' changeset='#{changeset.id}' version='6'/>
-          <node id='#{node.id}' lon='3' lat='3' changeset='#{changeset.id}' version='7'/>
-          <node id='#{node.id}' lon='9' lat='9' changeset='#{changeset.id}' version='8'/>
+          <node id='#{node.id}' lon='0.0' lat='0.0' changeset='#{changeset.id}' version='1'/>
+          <node id='#{node.id}' lon='0.1' lat='0.0' changeset='#{changeset.id}' version='2'/>
+          <node id='#{node.id}' lon='0.1' lat='0.1' changeset='#{changeset.id}' version='3'/>
+          <node id='#{node.id}' lon='0.1' lat='0.2' changeset='#{changeset.id}' version='4'/>
+          <node id='#{node.id}' lon='0.2' lat='0.2' changeset='#{changeset.id}' version='5'/>
+          <node id='#{node.id}' lon='0.3' lat='0.2' changeset='#{changeset.id}' version='6'/>
+          <node id='#{node.id}' lon='0.3' lat='0.3' changeset='#{changeset.id}' version='7'/>
+          <node id='#{node.id}' lon='0.9' lat='0.9' changeset='#{changeset.id}' version='8'/>

          </modify>
         </osmChange>
       CHANGESET
          </modify>
         </osmChange>
       CHANGESET


@@ -1329,9 +1332,9 @@ module Api
       diff = <<~CHANGESET
         <osmChange>
          <create>
       diff = <<~CHANGESET
         <osmChange>
          <create>

-          <node id="-1" lon="0" lat="0" changeset="#{changeset.id}" version="1"/>
-          <node id="-2" lon="1" lat="1" changeset="#{changeset.id}" version="1"/>
-          <node id="-3" lon="2" lat="2" changeset="#{changeset.id}" version="1"/>
+          <node id="-1" lon="0.0" lat="0.0" changeset="#{changeset.id}" version="1"/>
+          <node id="-2" lon="0.1" lat="0.1" changeset="#{changeset.id}" version="1"/>
+          <node id="-3" lon="0.2" lat="0.2" changeset="#{changeset.id}" version="1"/>

           <way id="-1" changeset="#{changeset.id}" version="1">
            <nd ref="-1"/>
            <nd ref="-2"/>
           <way id="-1" changeset="#{changeset.id}" version="1">
            <nd ref="-1"/>
            <nd ref="-2"/>


@@ -1352,9 +1355,9 @@ module Api
       diff = <<~CHANGESET
         <osmChange>
          <create>
       diff = <<~CHANGESET
         <osmChange>
          <create>

-          <node id="-1" lon="0" lat="0" changeset="#{changeset.id}" version="1"/>
-          <node id="-2" lon="1" lat="1" changeset="#{changeset.id}" version="1"/>
-          <node id="-3" lon="2" lat="2" changeset="#{changeset.id}" version="1"/>
+          <node id="-1" lon="0.0" lat="0.0" changeset="#{changeset.id}" version="1"/>
+          <node id="-2" lon="0.1" lat="0.1" changeset="#{changeset.id}" version="1"/>
+          <node id="-3" lon="0.2" lat="0.2" changeset="#{changeset.id}" version="1"/>

           <way id="#{way.id}" changeset="#{changeset.id}" version="1">
            <nd ref="-1"/>
            <nd ref="-2"/>
           <way id="#{way.id}" changeset="#{changeset.id}" version="1">
            <nd ref="-1"/>
            <nd ref="-2"/>


@@ -1384,9 +1387,9 @@ module Api
       diff = <<~CHANGESET
         <osmChange>
          <create>
       diff = <<~CHANGESET
         <osmChange>
          <create>

-          <node id="-1" lon="0" lat="0" changeset="#{changeset.id}" version="1"/>
-          <node id="-2" lon="1" lat="1" changeset="#{changeset.id}" version="1"/>
-          <node id="-3" lon="2" lat="2" changeset="#{changeset.id}" version="1"/>
+          <node id="-1" lon="0.0" lat="0.0" changeset="#{changeset.id}" version="1"/>
+          <node id="-2" lon="0.1" lat="0.1" changeset="#{changeset.id}" version="1"/>
+          <node id="-3" lon="0.2" lat="0.2" changeset="#{changeset.id}" version="1"/>

           <relation id="-1" changeset="#{changeset.id}" version="1">
            <member type="node" role="foo" ref="-1"/>
            <member type="node" role="foo" ref="-2"/>
           <relation id="-1" changeset="#{changeset.id}" version="1">
            <member type="node" role="foo" ref="-1"/>
            <member type="node" role="foo" ref="-2"/>


@@ -1407,9 +1410,9 @@ module Api
       diff = <<~CHANGESET
         <osmChange>
          <create>
       diff = <<~CHANGESET
         <osmChange>
          <create>

-          <node id="-1" lon="0" lat="0" changeset="#{changeset.id}" version="1"/>
-          <node id="-2" lon="1" lat="1" changeset="#{changeset.id}" version="1"/>
-          <node id="-3" lon="2" lat="2" changeset="#{changeset.id}" version="1"/>
+          <node id="-1" lon="0.0" lat="0.0" changeset="#{changeset.id}" version="1"/>
+          <node id="-2" lon="0.1" lat="0.1" changeset="#{changeset.id}" version="1"/>
+          <node id="-3" lon="0.2" lat="0.2" changeset="#{changeset.id}" version="1"/>

           <relation id="#{relation.id}" changeset="#{changeset.id}" version="1">
            <member type="node" role="foo" ref="-1"/>
            <member type="node" role="foo" ref="-2"/>
           <relation id="#{relation.id}" changeset="#{changeset.id}" version="1">
            <member type="node" role="foo" ref="-1"/>
            <member type="node" role="foo" ref="-2"/>


@@ -1453,7 +1456,7 @@ module Api
       diff.root << modify
 
       # upload it
       diff.root << modify
 
       # upload it

-      post changeset_upload_path(:id => changeset_id), :params => diff.to_s, :headers => auth_header
+      post changeset_upload_path(changeset_id), :params => diff.to_s, :headers => auth_header

       assert_response :success,
                       "diff should have uploaded OK"
 
       assert_response :success,
                       "diff should have uploaded OK"
 


@@ -1478,30 +1481,30 @@ module Api
       changeset_id = @response.body.to_i
 
       old_way = create(:way)
       changeset_id = @response.body.to_i
 
       old_way = create(:way)

-      create(:way_node, :way => old_way, :node => create(:node, :lat => 1, :lon => 1))
+      create(:way_node, :way => old_way, :node => create(:node, :lat => 0.1, :lon => 0.1))

 
       diff = XML::Document.new
       diff.root = XML::Node.new "osmChange"
       modify = XML::Node.new "modify"
       xml_old_way = xml_node_for_way(old_way)
       nd_ref = XML::Node.new "nd"
 
       diff = XML::Document.new
       diff.root = XML::Node.new "osmChange"
       modify = XML::Node.new "modify"
       xml_old_way = xml_node_for_way(old_way)
       nd_ref = XML::Node.new "nd"

-      nd_ref["ref"] = create(:node, :lat => 3, :lon => 3).id.to_s
+      nd_ref["ref"] = create(:node, :lat => 0.3, :lon => 0.3).id.to_s

       xml_old_way << nd_ref
       xml_old_way["changeset"] = changeset_id.to_s
       modify << xml_old_way
       diff.root << modify
 
       # upload it
       xml_old_way << nd_ref
       xml_old_way["changeset"] = changeset_id.to_s
       modify << xml_old_way
       diff.root << modify
 
       # upload it

-      post changeset_upload_path(:id => changeset_id), :params => diff.to_s, :headers => auth_header
+      post changeset_upload_path(changeset_id), :params => diff.to_s, :headers => auth_header

       assert_response :success,
                       "diff should have uploaded OK"
 
       # check the bbox
       changeset = Changeset.find(changeset_id)
       assert_response :success,
                       "diff should have uploaded OK"
 
       # check the bbox
       changeset = Changeset.find(changeset_id)

-      assert_equal 1 * GeoRecord::SCALE, changeset.min_lon, "min_lon should be 1 degree"
-      assert_equal 3 * GeoRecord::SCALE, changeset.max_lon, "max_lon should be 3 degrees"
-      assert_equal 1 * GeoRecord::SCALE, changeset.min_lat, "min_lat should be 1 degree"
-      assert_equal 3 * GeoRecord::SCALE, changeset.max_lat, "max_lat should be 3 degrees"
+      assert_equal 0.1 * GeoRecord::SCALE, changeset.min_lon, "min_lon should be 0.1 degree"
+      assert_equal 0.3 * GeoRecord::SCALE, changeset.max_lon, "max_lon should be 0.3 degrees"
+      assert_equal 0.1 * GeoRecord::SCALE, changeset.min_lat, "min_lat should be 0.1 degree"
+      assert_equal 0.3 * GeoRecord::SCALE, changeset.max_lat, "max_lat should be 0.3 degrees"

     end
 
     ##
     end
 
     ##


@@ -1798,6 +1801,71 @@ module Api
       assert_response :too_many_requests, "upload did not hit rate limit"
     end
 
       assert_response :too_many_requests, "upload did not hit rate limit"
     end
 

+    ##
+    # test initial size limit
+    def test_upload_initial_size_limit
+      # create a user
+      user = create(:user)
+
+      # create a changeset that puts us near the initial size limit
+      changeset = create(:changeset, :user => user,
+                                     :min_lat => (-0.5 * GeoRecord::SCALE).round, :min_lon => (0.5 * GeoRecord::SCALE).round,
+                                     :max_lat => (0.5 * GeoRecord::SCALE).round, :max_lon => (2.5 * GeoRecord::SCALE).round)
+
+      # create authentication header
+      auth_header = basic_authorization_header user.email, "test"
+
+      # simple diff to create a node
+      diff = <<~CHANGESET
+        <osmChange>
+         <create>
+          <node id='-1' lon='0.9' lat='2.9' changeset='#{changeset.id}'>
+           <tag k='foo' v='bar'/>
+           <tag k='baz' v='bat'/>
+          </node>
+         </create>
+        </osmChange>
+      CHANGESET
+
+      # upload it
+      post changeset_upload_path(changeset), :params => diff, :headers => auth_header
+      assert_response :payload_too_large, "upload did not hit size limit"
+    end
+
+    ##
+    # test size limit after one week
+    def test_upload_week_size_limit
+      # create a user
+      user = create(:user)
+
+      # create a changeset to establish our initial edit time
+      create(:changeset, :user => user, :created_at => Time.now.utc - 7.days)
+
+      # create a changeset that puts us near the initial size limit
+      changeset = create(:changeset, :user => user,
+                                     :min_lat => (-0.5 * GeoRecord::SCALE).round, :min_lon => (0.5 * GeoRecord::SCALE).round,
+                                     :max_lat => (0.5 * GeoRecord::SCALE).round, :max_lon => (2.5 * GeoRecord::SCALE).round)
+
+      # create authentication header
+      auth_header = basic_authorization_header user.email, "test"
+
+      # simple diff to create a node way and relation using placeholders
+      diff = <<~CHANGESET
+        <osmChange>
+         <create>
+          <node id='-1' lon='35' lat='35' changeset='#{changeset.id}'>
+           <tag k='foo' v='bar'/>
+           <tag k='baz' v='bat'/>
+          </node>
+         </create>
+        </osmChange>
+      CHANGESET
+
+      # upload it
+      post changeset_upload_path(changeset), :params => diff, :headers => auth_header
+      assert_response :payload_too_large, "upload did not hit size limit"
+    end
+

     ##
     # when we make some simple changes we get the same changes back from the
     # diff download.
     ##
     # when we make some simple changes we get the same changes back from the
     # diff download.


@@ -1829,24 +1897,24 @@ module Api
       diff = <<~CHANGESET
         <osmChange>
          <modify>
       diff = <<~CHANGESET
         <osmChange>
          <modify>

-          <node id='#{node.id}' lon='0' lat='0' changeset='#{changeset_id}' version='1'/>
-          <node id='#{node.id}' lon='1' lat='0' changeset='#{changeset_id}' version='2'/>
-          <node id='#{node.id}' lon='1' lat='1' changeset='#{changeset_id}' version='3'/>
-          <node id='#{node.id}' lon='1' lat='2' changeset='#{changeset_id}' version='4'/>
-          <node id='#{node.id}' lon='2' lat='2' changeset='#{changeset_id}' version='5'/>
-          <node id='#{node.id}' lon='3' lat='2' changeset='#{changeset_id}' version='6'/>
-          <node id='#{node.id}' lon='3' lat='3' changeset='#{changeset_id}' version='7'/>
-          <node id='#{node.id}' lon='9' lat='9' changeset='#{changeset_id}' version='8'/>
+          <node id='#{node.id}' lon='0.0' lat='0.0' changeset='#{changeset_id}' version='1'/>
+          <node id='#{node.id}' lon='0.1' lat='0.0' changeset='#{changeset_id}' version='2'/>
+          <node id='#{node.id}' lon='0.1' lat='0.1' changeset='#{changeset_id}' version='3'/>
+          <node id='#{node.id}' lon='0.1' lat='0.2' changeset='#{changeset_id}' version='4'/>
+          <node id='#{node.id}' lon='0.2' lat='0.2' changeset='#{changeset_id}' version='5'/>
+          <node id='#{node.id}' lon='0.3' lat='0.2' changeset='#{changeset_id}' version='6'/>
+          <node id='#{node.id}' lon='0.3' lat='0.3' changeset='#{changeset_id}' version='7'/>
+          <node id='#{node.id}' lon='0.9' lat='0.9' changeset='#{changeset_id}' version='8'/>

          </modify>
         </osmChange>
       CHANGESET
 
       # upload it
          </modify>
         </osmChange>
       CHANGESET
 
       # upload it

-      post changeset_upload_path(:id => changeset_id), :params => diff, :headers => auth_header
+      post changeset_upload_path(changeset_id), :params => diff, :headers => auth_header

       assert_response :success,
                       "can't upload multiple versions of an element in a diff: #{@response.body}"
 
       assert_response :success,
                       "can't upload multiple versions of an element in a diff: #{@response.body}"
 

-      get changeset_download_path(:id => changeset_id)
+      get changeset_download_path(changeset_id)

       assert_response :success
 
       assert_select "osmChange", 1
       assert_response :success
 
       assert_select "osmChange", 1


@@ -1900,11 +1968,11 @@ module Api
       OSMFILE
 
       # upload it
       OSMFILE
 
       # upload it

-      post changeset_upload_path(:id => changeset_id), :params => diff, :headers => auth_header
+      post changeset_upload_path(changeset_id), :params => diff, :headers => auth_header

       assert_response :success,
                       "can't upload a diff from JOSM: #{@response.body}"
 
       assert_response :success,
                       "can't upload a diff from JOSM: #{@response.body}"
 

-      get changeset_download_path(:id => changeset_id)
+      get changeset_download_path(changeset_id)

       assert_response :success
 
       assert_select "osmChange", 1
       assert_response :success
 
       assert_select "osmChange", 1


@@ -1935,15 +2003,15 @@ module Api
       diff = <<~CHANGESET
         <osmChange>
          <delete>
       diff = <<~CHANGESET
         <osmChange>
          <delete>

-          <node id='#{node.id}' lon='0' lat='0' changeset='#{changeset_id}' version='1'/>
+          <node id='#{node.id}' lon='0.0' lat='0.0' changeset='#{changeset_id}' version='1'/>

          </delete>
          <create>
          </delete>
          <create>

-          <node id='-1' lon='9' lat='9' changeset='#{changeset_id}' version='0'/>
-          <node id='-2' lon='8' lat='9' changeset='#{changeset_id}' version='0'/>
-          <node id='-3' lon='7' lat='9' changeset='#{changeset_id}' version='0'/>
+          <node id='-1' lon='0.9' lat='0.9' changeset='#{changeset_id}' version='0'/>
+          <node id='-2' lon='0.8' lat='0.9' changeset='#{changeset_id}' version='0'/>
+          <node id='-3' lon='0.7' lat='0.9' changeset='#{changeset_id}' version='0'/>

          </create>
          <modify>
          </create>
          <modify>

-          <node id='#{node2.id}' lon='20' lat='15' changeset='#{changeset_id}' version='1'/>
+          <node id='#{node2.id}' lon='2.0' lat='1.5' changeset='#{changeset_id}' version='1'/>

           <way id='#{way.id}' changeset='#{changeset_id}' version='1'>
            <nd ref='#{node2.id}'/>
            <nd ref='-1'/>
           <way id='#{way.id}' changeset='#{changeset_id}' version='1'>
            <nd ref='#{node2.id}'/>
            <nd ref='-1'/>


@@ -1955,11 +2023,11 @@ module Api
       CHANGESET
 
       # upload it
       CHANGESET
 
       # upload it

-      post changeset_upload_path(:id => changeset_id), :params => diff, :headers => auth_header
+      post changeset_upload_path(changeset_id), :params => diff, :headers => auth_header

       assert_response :success,
                       "can't upload multiple versions of an element in a diff: #{@response.body}"
 
       assert_response :success,
                       "can't upload multiple versions of an element in a diff: #{@response.body}"
 

-      get changeset_download_path(:id => changeset_id)
+      get changeset_download_path(changeset_id)

       assert_response :success
 
       assert_select "osmChange", 1
       assert_response :success
 
       assert_select "osmChange", 1


@@ -1995,12 +2063,46 @@ module Api
       end
     end
 
       end
     end
 

+    test "sorts downloaded elements by timestamp" do
+      changeset = create(:changeset)
+      node1 = create(:old_node, :version => 2, :timestamp => "2020-02-01", :changeset => changeset)
+      node0 = create(:old_node, :version => 2, :timestamp => "2020-01-01", :changeset => changeset)
+
+      get changeset_download_path(changeset)
+      assert_response :success
+      assert_dom "modify", :count => 2 do |modify|
+        assert_dom modify[0], ">node", :count => 1 do |node|
+          assert_dom node, ">@id", node0.node_id.to_s
+        end
+        assert_dom modify[1], ">node", :count => 1 do |node|
+          assert_dom node, ">@id", node1.node_id.to_s
+        end
+      end
+    end
+
+    test "sorts downloaded elements by version" do
+      changeset = create(:changeset)
+      node1 = create(:old_node, :version => 3, :timestamp => "2020-01-01", :changeset => changeset)
+      node0 = create(:old_node, :version => 2, :timestamp => "2020-01-01", :changeset => changeset)
+
+      get changeset_download_path(changeset)
+      assert_response :success
+      assert_dom "modify", :count => 2 do |modify|
+        assert_dom modify[0], ">node", :count => 1 do |node|
+          assert_dom node, ">@id", node0.node_id.to_s
+        end
+        assert_dom modify[1], ">node", :count => 1 do |node|
+          assert_dom node, ">@id", node1.node_id.to_s
+        end
+      end
+    end
+

     ##
     # check that the bounding box of a changeset gets updated correctly
     # FIXME: This should really be moded to a integration test due to the with_controller
     def test_changeset_bbox
       way = create(:way)
     ##
     # check that the bounding box of a changeset gets updated correctly
     # FIXME: This should really be moded to a integration test due to the with_controller
     def test_changeset_bbox
       way = create(:way)

-      create(:way_node, :way => way, :node => create(:node, :lat => 3, :lon => 3))
+      create(:way_node, :way => way, :node => create(:node, :lat => 0.3, :lon => 0.3))

 
       auth_header = basic_authorization_header create(:user).email, "test"
 
 
       auth_header = basic_authorization_header create(:user).email, "test"
 


@@ -2012,33 +2114,33 @@ module Api
 
       # add a single node to it
       with_controller(NodesController.new) do
 
       # add a single node to it
       with_controller(NodesController.new) do

-        xml = "<osm><node lon='1' lat='2' changeset='#{changeset_id}'/></osm>"
+        xml = "<osm><node lon='0.1' lat='0.2' changeset='#{changeset_id}'/></osm>"

         put node_create_path, :params => xml, :headers => auth_header
         assert_response :success, "Couldn't create node."
       end
 
       # get the bounding box back from the changeset
         put node_create_path, :params => xml, :headers => auth_header
         assert_response :success, "Couldn't create node."
       end
 
       # get the bounding box back from the changeset

-      get changeset_show_path(:id => changeset_id)
+      get changeset_show_path(changeset_id)

       assert_response :success, "Couldn't read back changeset."
       assert_response :success, "Couldn't read back changeset."

-      assert_select "osm>changeset[min_lon='1.0000000']", 1
-      assert_select "osm>changeset[max_lon='1.0000000']", 1
-      assert_select "osm>changeset[min_lat='2.0000000']", 1
-      assert_select "osm>changeset[max_lat='2.0000000']", 1
+      assert_select "osm>changeset[min_lon='0.1000000']", 1
+      assert_select "osm>changeset[max_lon='0.1000000']", 1
+      assert_select "osm>changeset[min_lat='0.2000000']", 1
+      assert_select "osm>changeset[max_lat='0.2000000']", 1

 
       # add another node to it
       with_controller(NodesController.new) do
 
       # add another node to it
       with_controller(NodesController.new) do

-        xml = "<osm><node lon='2' lat='1' changeset='#{changeset_id}'/></osm>"
+        xml = "<osm><node lon='0.2' lat='0.1' changeset='#{changeset_id}'/></osm>"

         put node_create_path, :params => xml, :headers => auth_header
         assert_response :success, "Couldn't create second node."
       end
 
       # get the bounding box back from the changeset
         put node_create_path, :params => xml, :headers => auth_header
         assert_response :success, "Couldn't create second node."
       end
 
       # get the bounding box back from the changeset

-      get changeset_show_path(:id => changeset_id)
+      get changeset_show_path(changeset_id)

       assert_response :success, "Couldn't read back changeset for the second time."
       assert_response :success, "Couldn't read back changeset for the second time."

-      assert_select "osm>changeset[min_lon='1.0000000']", 1
-      assert_select "osm>changeset[max_lon='2.0000000']", 1
-      assert_select "osm>changeset[min_lat='1.0000000']", 1
-      assert_select "osm>changeset[max_lat='2.0000000']", 1
+      assert_select "osm>changeset[min_lon='0.1000000']", 1
+      assert_select "osm>changeset[max_lon='0.2000000']", 1
+      assert_select "osm>changeset[min_lat='0.1000000']", 1
+      assert_select "osm>changeset[max_lat='0.2000000']", 1

 
       # add (delete) a way to it, which contains a point at (3,3)
       with_controller(WaysController.new) do
 
       # add (delete) a way to it, which contains a point at (3,3)
       with_controller(WaysController.new) do


@@ -2048,12 +2150,12 @@ module Api
       end
 
       # get the bounding box back from the changeset
       end
 
       # get the bounding box back from the changeset

-      get changeset_show_path(:id => changeset_id)
+      get changeset_show_path(changeset_id)

       assert_response :success, "Couldn't read back changeset for the third time."
       assert_response :success, "Couldn't read back changeset for the third time."

-      assert_select "osm>changeset[min_lon='1.0000000']", 1
-      assert_select "osm>changeset[max_lon='3.0000000']", 1
-      assert_select "osm>changeset[min_lat='1.0000000']", 1
-      assert_select "osm>changeset[max_lat='3.0000000']", 1
+      assert_select "osm>changeset[min_lon='0.1000000']", 1
+      assert_select "osm>changeset[max_lon='0.3000000']", 1
+      assert_select "osm>changeset[min_lat='0.1000000']", 1
+      assert_select "osm>changeset[max_lat='0.3000000']", 1

     end
 
     ##
     end
 
     ##


@@ -2070,11 +2172,11 @@ module Api
 
       get changesets_path(:bbox => "-10,-10, 10, 10")
       assert_response :success, "can't get changesets in bbox"
 
       get changesets_path(:bbox => "-10,-10, 10, 10")
       assert_response :success, "can't get changesets in bbox"

-      assert_changesets [changeset2, changeset3]
+      assert_changesets_in_order [changeset3, changeset2]

 
       get changesets_path(:bbox => "4.5,4.5,4.6,4.6")
       assert_response :success, "can't get changesets in bbox"
 
       get changesets_path(:bbox => "4.5,4.5,4.6,4.6")
       assert_response :success, "can't get changesets in bbox"

-      assert_changesets [changeset3]
+      assert_changesets_in_order [changeset3]

 
       # not found when looking for changesets of non-existing users
       get changesets_path(:user => User.maximum(:id) + 1)
 
       # not found when looking for changesets of non-existing users
       get changesets_path(:user => User.maximum(:id) + 1)


@@ -2094,11 +2196,11 @@ module Api
       auth_header = basic_authorization_header private_user.email, "test"
       get changesets_path(:user => private_user.id), :headers => auth_header
       assert_response :success, "can't get changesets by user ID"
       auth_header = basic_authorization_header private_user.email, "test"
       get changesets_path(:user => private_user.id), :headers => auth_header
       assert_response :success, "can't get changesets by user ID"

-      assert_changesets [private_user_changeset, private_user_closed_changeset]
+      assert_changesets_in_order [private_user_changeset, private_user_closed_changeset]

 
       get changesets_path(:display_name => private_user.display_name), :headers => auth_header
       assert_response :success, "can't get changesets by user name"
 
       get changesets_path(:display_name => private_user.display_name), :headers => auth_header
       assert_response :success, "can't get changesets by user name"

-      assert_changesets [private_user_changeset, private_user_closed_changeset]
+      assert_changesets_in_order [private_user_changeset, private_user_closed_changeset]

 
       # test json endpoint
       get changesets_path(:display_name => private_user.display_name), :headers => auth_header, :params => { :format => "json" }
 
       # test json endpoint
       get changesets_path(:display_name => private_user.display_name), :headers => auth_header, :params => { :format => "json" }


@@ -2118,39 +2220,39 @@ module Api
 
       get changesets_path(:user => private_user.id, :open => true), :headers => auth_header
       assert_response :success, "can't get changesets by user and open"
 
       get changesets_path(:user => private_user.id, :open => true), :headers => auth_header
       assert_response :success, "can't get changesets by user and open"

-      assert_changesets [private_user_changeset]
+      assert_changesets_in_order [private_user_changeset]

 
       get changesets_path(:time => "2007-12-31"), :headers => auth_header
       assert_response :success, "can't get changesets by time-since"
 
       get changesets_path(:time => "2007-12-31"), :headers => auth_header
       assert_response :success, "can't get changesets by time-since"

-      assert_changesets [private_user_changeset, private_user_closed_changeset, changeset, closed_changeset, changeset2, changeset3]
+      assert_changesets_in_order [changeset3, changeset2, changeset, private_user_changeset, private_user_closed_changeset, closed_changeset]

 
       get changesets_path(:time => "2008-01-01T12:34Z"), :headers => auth_header
       assert_response :success, "can't get changesets by time-since with hour"
 
       get changesets_path(:time => "2008-01-01T12:34Z"), :headers => auth_header
       assert_response :success, "can't get changesets by time-since with hour"

-      assert_changesets [private_user_changeset, private_user_closed_changeset, changeset, closed_changeset, changeset2, changeset3]
+      assert_changesets_in_order [changeset3, changeset2, changeset, private_user_changeset, private_user_closed_changeset, closed_changeset]

 
       get changesets_path(:time => "2007-12-31T23:59Z,2008-01-02T00:01Z"), :headers => auth_header
       assert_response :success, "can't get changesets by time-range"
 
       get changesets_path(:time => "2007-12-31T23:59Z,2008-01-02T00:01Z"), :headers => auth_header
       assert_response :success, "can't get changesets by time-range"

-      assert_changesets [closed_changeset]
+      assert_changesets_in_order [closed_changeset]

 
       get changesets_path(:open => "true"), :headers => auth_header
       assert_response :success, "can't get changesets by open-ness"
 
       get changesets_path(:open => "true"), :headers => auth_header
       assert_response :success, "can't get changesets by open-ness"

-      assert_changesets [private_user_changeset, changeset, changeset2, changeset3]
+      assert_changesets_in_order [changeset3, changeset2, changeset, private_user_changeset]

 
       get changesets_path(:closed => "true"), :headers => auth_header
       assert_response :success, "can't get changesets by closed-ness"
 
       get changesets_path(:closed => "true"), :headers => auth_header
       assert_response :success, "can't get changesets by closed-ness"

-      assert_changesets [private_user_closed_changeset, closed_changeset]
+      assert_changesets_in_order [private_user_closed_changeset, closed_changeset]

 
       get changesets_path(:closed => "true", :user => private_user.id), :headers => auth_header
       assert_response :success, "can't get changesets by closed-ness and user"
 
       get changesets_path(:closed => "true", :user => private_user.id), :headers => auth_header
       assert_response :success, "can't get changesets by closed-ness and user"

-      assert_changesets [private_user_closed_changeset]
+      assert_changesets_in_order [private_user_closed_changeset]

 
       get changesets_path(:closed => "true", :user => user.id), :headers => auth_header
       assert_response :success, "can't get changesets by closed-ness and user"
 
       get changesets_path(:closed => "true", :user => user.id), :headers => auth_header
       assert_response :success, "can't get changesets by closed-ness and user"

-      assert_changesets [closed_changeset]
+      assert_changesets_in_order [closed_changeset]

 
       get changesets_path(:changesets => "#{private_user_changeset.id},#{changeset.id},#{closed_changeset.id}"), :headers => auth_header
       assert_response :success, "can't get changesets by id (as comma-separated string)"
 
       get changesets_path(:changesets => "#{private_user_changeset.id},#{changeset.id},#{closed_changeset.id}"), :headers => auth_header
       assert_response :success, "can't get changesets by id (as comma-separated string)"

-      assert_changesets [private_user_changeset, changeset, closed_changeset]
+      assert_changesets_in_order [changeset, private_user_changeset, closed_changeset]

 
       get changesets_path(:changesets => ""), :headers => auth_header
       assert_response :bad_request, "should be a bad request since changesets is empty"
 
       get changesets_path(:changesets => ""), :headers => auth_header
       assert_response :bad_request, "should be a bad request since changesets is empty"


@@ -2402,7 +2504,7 @@ module Api
         assert_response :success, "can't create a new node"
         node_id = @response.body.to_i
 
         assert_response :success, "can't create a new node"
         node_id = @response.body.to_i
 

-        get api_node_path(:id => node_id)
+        get api_node_path(node_id)

         assert_response :success, "can't read back new node"
         node_doc = XML::Parser.string(@response.body).parse
         node_xml = node_doc.find("//osm/node").first
         assert_response :success, "can't read back new node"
         node_doc = XML::Parser.string(@response.body).parse
         node_xml = node_doc.find("//osm/node").first


@@ -2413,7 +2515,7 @@ module Api
           node_xml["lon"] = rand.to_s
           node_xml["version"] = (i + 1).to_s
 
           node_xml["lon"] = rand.to_s
           node_xml["version"] = (i + 1).to_s
 

-          put api_node_path(:id => node_id), :params => node_doc.to_s, :headers => auth_header
+          put api_node_path(node_id), :params => node_doc.to_s, :headers => auth_header

           assert_response :success, "attempt #{i} should have succeeded"
         end
 
           assert_response :success, "attempt #{i} should have succeeded"
         end
 


@@ -2422,7 +2524,7 @@ module Api
         node_xml["lon"] = rand.to_s
         node_xml["version"] = offset.to_s
 
         node_xml["lon"] = rand.to_s
         node_xml["version"] = offset.to_s
 

-        put api_node_path(:id => node_id), :params => node_doc.to_s, :headers => auth_header
+        put api_node_path(node_id), :params => node_doc.to_s, :headers => auth_header

         assert_response :conflict, "final attempt should have failed"
       end
 
         assert_response :conflict, "final attempt should have failed"
       end
 


@@ -2489,7 +2591,7 @@ module Api
 
       # bad changeset id
       assert_no_difference "changeset.subscribers.count" do
 
       # bad changeset id
       assert_no_difference "changeset.subscribers.count" do

-        post api_changeset_subscribe_path(:id => 999111), :headers => auth_header
+        post api_changeset_subscribe_path(999111), :headers => auth_header

       end
       assert_response :not_found
 
       end
       assert_response :not_found
 


@@ -2539,7 +2641,7 @@ module Api
 
       # bad changeset id
       assert_no_difference "changeset.subscribers.count" do
 
       # bad changeset id
       assert_no_difference "changeset.subscribers.count" do

-        post api_changeset_unsubscribe_path(:id => 999111), :headers => auth_header
+        post api_changeset_unsubscribe_path(999111), :headers => auth_header

       end
       assert_response :not_found
 
       end
       assert_response :not_found
 


@@ -2580,15 +2682,6 @@ module Api
       end
     end
 
       end
     end
 

-    ##
-    # check that certain changesets exist in the output
-    def assert_changesets(changesets)
-      assert_select "osm>changeset", changesets.size
-      changesets.each do |changeset|
-        assert_select "osm>changeset[id='#{changeset.id}']", 1
-      end
-    end
-

     ##
     # check that certain changesets exist in the output in the specified order
     def assert_changesets_in_order(changesets)
     ##
     # check that certain changesets exist in the output in the specified order
     def assert_changesets_in_order(changesets)