X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/b5f06e06c14f440d3c014b348149fe9ec1b67657..1e8cd9bedd9a16e9c6a8d99ed1ac692155cc3d28:/test/controllers/api/changesets_controller_test.rb?ds=sidebyside
diff --git a/test/controllers/api/changesets_controller_test.rb b/test/controllers/api/changesets_controller_test.rb
index e61831fbd..fd1940d6b 100644
--- a/test/controllers/api/changesets_controller_test.rb
+++ b/test/controllers/api/changesets_controller_test.rb
@@ -21,14 +21,26 @@ module Api
{ :path => "/api/0.6/changeset/1", :method => :get },
{ :controller => "api/changesets", :action => "show", :id => "1" }
)
+ assert_routing(
+ { :path => "/api/0.6/changeset/1.json", :method => :get },
+ { :controller => "api/changesets", :action => "show", :id => "1", :format => "json" }
+ )
assert_routing(
{ :path => "/api/0.6/changeset/1/subscribe", :method => :post },
{ :controller => "api/changesets", :action => "subscribe", :id => "1" }
)
+ assert_routing(
+ { :path => "/api/0.6/changeset/1/subscribe.json", :method => :post },
+ { :controller => "api/changesets", :action => "subscribe", :id => "1", :format => "json" }
+ )
assert_routing(
{ :path => "/api/0.6/changeset/1/unsubscribe", :method => :post },
{ :controller => "api/changesets", :action => "unsubscribe", :id => "1" }
)
+ assert_routing(
+ { :path => "/api/0.6/changeset/1/unsubscribe.json", :method => :post },
+ { :controller => "api/changesets", :action => "unsubscribe", :id => "1", :format => "json" }
+ )
assert_routing(
{ :path => "/api/0.6/changeset/1", :method => :put },
{ :controller => "api/changesets", :action => "update", :id => "1" }
@@ -41,6 +53,10 @@ module Api
{ :path => "/api/0.6/changesets", :method => :get },
{ :controller => "api/changesets", :action => "query" }
)
+ assert_routing(
+ { :path => "/api/0.6/changesets.json", :method => :get },
+ { :controller => "api/changesets", :action => "query", :format => "json" }
+ )
end
# -----------------------
@@ -135,7 +151,7 @@ module Api
get changeset_show_path(changeset)
assert_response :success, "cannot get first changeset"
- assert_select "osm[version='#{Settings.api_version}'][generator='OpenStreetMap server']", 1
+ assert_select "osm[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1
assert_select "osm>changeset[id='#{changeset.id}']", 1
assert_select "osm>changeset>@open", "true"
assert_select "osm>changeset>@created_at", changeset.created_at.xmlschema
@@ -145,7 +161,7 @@ module Api
get changeset_show_path(changeset), :params => { :include_discussion => true }
assert_response :success, "cannot get first changeset with comments"
- assert_select "osm[version='#{Settings.api_version}'][generator='OpenStreetMap server']", 1
+ assert_select "osm[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1
assert_select "osm>changeset[id='#{changeset.id}']", 1
assert_select "osm>changeset>@open", "true"
assert_select "osm>changeset>@created_at", changeset.created_at.xmlschema
@@ -159,7 +175,7 @@ module Api
get changeset_show_path(changeset), :params => { :include_discussion => true }
assert_response :success, "cannot get closed changeset with comments"
- assert_select "osm[version='#{Settings.api_version}'][generator='OpenStreetMap server']", 1
+ assert_select "osm[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1
assert_select "osm>changeset[id='#{changeset.id}']", 1
assert_select "osm>changeset>@open", "false"
assert_select "osm>changeset>@created_at", changeset.created_at.xmlschema
@@ -168,6 +184,99 @@ module Api
assert_select "osm>changeset>discussion>comment", 3
end
+ def test_show_json
+ changeset = create(:changeset)
+
+ get changeset_show_path(changeset), :params => { :format => "json" }
+ assert_response :success, "cannot get first changeset"
+
+ js = ActiveSupport::JSON.decode(@response.body)
+ assert_not_nil js
+
+ assert_equal Settings.api_version, js["version"]
+ assert_equal Settings.generator, js["generator"]
+ assert_equal changeset.id, js["changeset"]["id"]
+ assert js["changeset"]["open"]
+ assert_equal changeset.created_at.xmlschema, js["changeset"]["created_at"]
+ assert_nil js["changeset"]["closed_at"]
+ assert_nil js["changeset"]["tags"]
+ assert_nil js["changeset"]["comments"]
+ assert_equal changeset.user.id, js["changeset"]["uid"]
+ assert_equal changeset.user.display_name, js["changeset"]["user"]
+
+ get changeset_show_path(changeset), :params => { :format => "json", :include_discussion => true }
+ assert_response :success, "cannot get first changeset with comments"
+
+ js = ActiveSupport::JSON.decode(@response.body)
+ assert_not_nil js
+ assert_equal Settings.api_version, js["version"]
+ assert_equal Settings.generator, js["generator"]
+ assert_equal changeset.id, js["changeset"]["id"]
+ assert js["changeset"]["open"]
+ assert_equal changeset.created_at.xmlschema, js["changeset"]["created_at"]
+ assert_nil js["changeset"]["closed_at"]
+ assert_nil js["changeset"]["tags"]
+ assert_nil js["changeset"]["min_lat"]
+ assert_nil js["changeset"]["min_lon"]
+ assert_nil js["changeset"]["max_lat"]
+ assert_nil js["changeset"]["max_lon"]
+ assert_equal 0, js["changeset"]["comments"].count
+ end
+
+ def test_show_tag_and_discussion_json
+ changeset = create(:changeset, :closed)
+
+ tag1 = ChangesetTag.new
+ tag1.changeset_id = changeset.id
+ tag1.k = "created_by"
+ tag1.v = "JOSM/1.5 (18364)"
+
+ tag2 = ChangesetTag.new
+ tag2.changeset_id = changeset.id
+ tag2.k = "comment"
+ tag2.v = "changeset comment"
+
+ changeset.changeset_tags = [tag1, tag2]
+
+ create_list(:changeset_comment, 3, :changeset_id => changeset.id)
+
+ get changeset_show_path(changeset), :params => { :format => "json", :include_discussion => true }
+ assert_response :success, "cannot get closed changeset with comments"
+
+ js = ActiveSupport::JSON.decode(@response.body)
+
+ assert_not_nil js
+ assert_equal Settings.api_version, js["version"]
+ assert_equal Settings.generator, js["generator"]
+ assert_equal changeset.id, js["changeset"]["id"]
+ assert_not js["changeset"]["open"]
+ assert_equal changeset.created_at.xmlschema, js["changeset"]["created_at"]
+ assert_equal changeset.closed_at.xmlschema, js["changeset"]["closed_at"]
+ assert_equal 2, js["changeset"]["tags"].count
+ assert_equal 3, js["changeset"]["comments"].count
+ assert_equal 3, js["changeset"]["comments_count"]
+ assert_equal 0, js["changeset"]["changes_count"]
+ assert_not_nil js["changeset"]["comments"][0]["uid"]
+ assert_not_nil js["changeset"]["comments"][0]["user"]
+ assert_not_nil js["changeset"]["comments"][0]["text"]
+ end
+
+ def test_show_bbox_json
+ # test bbox attribute
+ changeset = create(:changeset, :min_lat => (-5 * GeoRecord::SCALE).round, :min_lon => (5 * GeoRecord::SCALE).round,
+ :max_lat => (15 * GeoRecord::SCALE).round, :max_lon => (12 * GeoRecord::SCALE).round)
+
+ get changeset_show_path(changeset), :params => { :format => "json" }
+ assert_response :success, "cannot get first changeset"
+
+ js = ActiveSupport::JSON.decode(@response.body)
+ assert_not_nil js
+ assert_equal(-5, js["changeset"]["min_lat"])
+ assert_equal 5, js["changeset"]["min_lon"]
+ assert_equal 15, js["changeset"]["max_lat"]
+ assert_equal 12, js["changeset"]["max_lon"]
+ end
+
##
# check that a changeset that doesn't exist returns an appropriate message
def test_show_not_found
@@ -205,7 +314,7 @@ module Api
# test that it really is closed now
cs = Changeset.find(changeset.id)
- assert_not(cs.is_open?,
+ assert_not(cs.open?,
"changeset should be closed now (#{cs.closed_at} > #{Time.now.utc}.")
end
@@ -412,7 +521,7 @@ module Api
"can't upload a simple valid creation to changeset: #{@response.body}"
# check the returned payload
- assert_select "diffResult[version='#{Settings.api_version}'][generator='OpenStreetMap server']", 1
+ 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
@@ -650,7 +759,7 @@ module Api
"can't do a conditional delete of in use objects: #{@response.body}"
# check the returned payload
- assert_select "diffResult[version='#{Settings.api_version}'][generator='OpenStreetMap server']", 1
+ 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
@@ -1007,6 +1116,90 @@ module Api
post changeset_upload_path(changeset), :params => diff, :headers => auth_header
assert_response :bad_request,
"shouldn't be able to re-use placeholder IDs"
+
+ # placeholder_ids must be unique across all action blocks
+ diff = <<~CHANGESET
+
+
+
+
+
+
+
+
+ CHANGESET
+
+ # upload it
+ post changeset_upload_path(changeset), :params => diff, :headers => auth_header
+ assert_response :bad_request,
+ "shouldn't be able to re-use placeholder IDs"
+ end
+
+ def test_upload_process_order
+ changeset = create(:changeset)
+
+ auth_header = basic_authorization_header changeset.user.email, "test"
+
+ diff = <<~CHANGESET
+
+
+
+
+
+
+
+
+
+
+ CHANGESET
+
+ # upload it
+ post changeset_upload_path(changeset), :params => diff, :headers => auth_header
+ assert_response :bad_request,
+ "shouldn't refer elements behind it"
+ end
+
+ def test_upload_duplicate_delete
+ changeset = create(:changeset)
+
+ auth_header = basic_authorization_header changeset.user.email, "test"
+
+ diff = <<~CHANGESET
+
+
+
+
+
+
+
+
+
+ CHANGESET
+
+ # upload it
+ post changeset_upload_path(changeset), :params => diff, :headers => auth_header
+ assert_response :gone,
+ "transaction should be cancelled by second deletion"
+
+ diff = <<~CHANGESET
+
+
+
+
+
+
+
+
+
+ CHANGESET
+
+ # upload it
+ post changeset_upload_path(changeset), :params => diff, :headers => auth_header
+
+ assert_select "diffResult>node", 3
+ assert_select "diffResult>node[old_id='-1']", 3
+ assert_select "diffResult>node[new_version='1']", 1
+ assert_select "diffResult>node[new_version='2']", 1
end
##
@@ -1237,11 +1430,158 @@ module Api
"failed to return error in XML format"
# check the returned payload
- assert_select "osmError[version='#{Settings.api_version}'][generator='OpenStreetMap server']", 1
+ assert_select "osmError[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1
assert_select "osmError>status", 1
assert_select "osmError>message", 1
end
+ def test_upload_not_found
+ changeset = create(:changeset)
+
+ auth_header = basic_authorization_header changeset.user.email, "test"
+
+ # modify node
+ diff = <<~CHANGESET
+
+
+
+
+
+ CHANGESET
+
+ # upload it
+ post changeset_upload_path(changeset), :params => diff, :headers => auth_header
+ assert_response :not_found, "Node should not be found"
+
+ # modify way
+ diff = <<~CHANGESET
+
+
+
+
+
+ CHANGESET
+
+ # upload it
+ post changeset_upload_path(changeset), :params => diff, :headers => auth_header
+ assert_response :not_found, "Way should not be found"
+
+ # modify relation
+ diff = <<~CHANGESET
+
+
+
+
+
+ CHANGESET
+
+ # upload it
+ post changeset_upload_path(changeset), :params => diff, :headers => auth_header
+ assert_response :not_found, "Relation should not be found"
+
+ # delete node
+ diff = <<~CHANGESET
+
+
+
+
+
+ CHANGESET
+
+ # upload it
+ post changeset_upload_path(changeset), :params => diff, :headers => auth_header
+ assert_response :not_found, "Node should not be deleted"
+
+ # delete way
+ diff = <<~CHANGESET
+
+
+
+
+
+ CHANGESET
+
+ # upload it
+ post changeset_upload_path(changeset), :params => diff, :headers => auth_header
+ assert_response :not_found, "Way should not be deleted"
+
+ # delete relation
+ diff = <<~CHANGESET
+
+
+
+
+
+ CHANGESET
+
+ # upload it
+ post changeset_upload_path(changeset), :params => diff, :headers => auth_header
+ assert_response :not_found, "Relation should not be deleted"
+ end
+
+ def test_upload_relation_placeholder_not_fix
+ changeset = create(:changeset)
+
+ auth_header = basic_authorization_header changeset.user.email, "test"
+
+ # modify node
+ diff = <<~CHANGESET
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ CHANGESET
+
+ # upload it
+ post changeset_upload_path(changeset), :params => diff.to_s, :headers => auth_header
+ assert_response :bad_request, "shouldn't be able to use reference -4 in relation -2: #{@response.body}"
+ assert_equal "Placeholder Relation not found for reference -4 in relation -2.", @response.body
+ end
+
+ def test_upload_multiple_delete_block
+ changeset = create(:changeset)
+
+ auth_header = basic_authorization_header changeset.user.email, "test"
+
+ node = create(:node)
+ way = create(:way)
+ create(:way_node, :way => way, :node => node)
+ alone_node = create(:node)
+
+ # modify node
+ diff = <<~CHANGESET
+
+
+
+
+
+
+
+
+ CHANGESET
+
+ # upload it
+ post changeset_upload_path(changeset), :params => diff.to_s, :headers => auth_header
+ assert_response :precondition_failed,
+ "shouldn't be able to upload a invalid deletion diff: #{@response.body}"
+ assert_equal "Precondition failed: Node #{node.id} is still used by ways #{way.id}.", @response.body
+ end
+
##
# when we make some simple changes we get the same changes back from the
# diff download.
@@ -1428,7 +1768,7 @@ module Api
get changeset_download_path(changeset)
assert_response :success
- # print @response.body
+
# FIXME: needs more assert_select tests
assert_select "osmChange[version='#{Settings.api_version}'][generator='#{Settings.generator}']" do
assert_select "create", :count => 5
@@ -1542,6 +1882,17 @@ module Api
assert_response :success, "can't get changesets by user name"
assert_changesets [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" }
+ assert_response :success, "can't get changesets by user name"
+
+ js = ActiveSupport::JSON.decode(@response.body)
+ assert_not_nil js
+
+ assert_equal Settings.api_version, js["version"]
+ assert_equal Settings.generator, js["generator"]
+ assert_equal 2, js["changesets"].count
+
# check that the correct error is given when we provide both UID and name
get changesets_path(:user => private_user.id,
:display_name => private_user.display_name), :headers => auth_header
@@ -1587,6 +1938,117 @@ module Api
assert_response :bad_request, "should be a bad request since changesets is empty"
end
+ ##
+ # test the query functionality of changesets with the limit parameter
+ def test_query_limit
+ user = create(:user)
+ changeset1 = create(:changeset, :closed, :user => user, :created_at => Time.utc(2008, 1, 1, 0, 0, 0), :closed_at => Time.utc(2008, 1, 2, 0, 0, 0))
+ changeset2 = create(:changeset, :closed, :user => user, :created_at => Time.utc(2008, 2, 1, 0, 0, 0), :closed_at => Time.utc(2008, 2, 2, 0, 0, 0))
+ changeset3 = create(:changeset, :closed, :user => user, :created_at => Time.utc(2008, 3, 1, 0, 0, 0), :closed_at => Time.utc(2008, 3, 2, 0, 0, 0))
+ changeset4 = create(:changeset, :closed, :user => user, :created_at => Time.utc(2008, 4, 1, 0, 0, 0), :closed_at => Time.utc(2008, 4, 2, 0, 0, 0))
+ changeset5 = create(:changeset, :closed, :user => user, :created_at => Time.utc(2008, 5, 1, 0, 0, 0), :closed_at => Time.utc(2008, 5, 2, 0, 0, 0))
+
+ get changesets_path
+ assert_response :success
+ assert_changesets_in_order [changeset5, changeset4, changeset3, changeset2, changeset1]
+
+ get changesets_path(:limit => "3")
+ assert_response :success
+ assert_changesets_in_order [changeset5, changeset4, changeset3]
+
+ get changesets_path(:limit => "0")
+ assert_response :bad_request
+
+ get changesets_path(:limit => Settings.max_changeset_query_limit)
+ assert_response :success
+ assert_changesets_in_order [changeset5, changeset4, changeset3, changeset2, changeset1]
+
+ get changesets_path(:limit => Settings.max_changeset_query_limit + 1)
+ assert_response :bad_request
+ end
+
+ ##
+ # test the query functionality of sequential changesets with order and time parameters
+ def test_query_order
+ user = create(:user)
+ changeset1 = create(:changeset, :closed, :user => user, :created_at => Time.utc(2008, 1, 1, 0, 0, 0), :closed_at => Time.utc(2008, 1, 2, 0, 0, 0))
+ changeset2 = create(:changeset, :closed, :user => user, :created_at => Time.utc(2008, 2, 1, 0, 0, 0), :closed_at => Time.utc(2008, 2, 2, 0, 0, 0))
+ changeset3 = create(:changeset, :closed, :user => user, :created_at => Time.utc(2008, 3, 1, 0, 0, 0), :closed_at => Time.utc(2008, 3, 2, 0, 0, 0))
+ changeset4 = create(:changeset, :closed, :user => user, :created_at => Time.utc(2008, 4, 1, 0, 0, 0), :closed_at => Time.utc(2008, 4, 2, 0, 0, 0))
+ changeset5 = create(:changeset, :closed, :user => user, :created_at => Time.utc(2008, 5, 1, 0, 0, 0), :closed_at => Time.utc(2008, 5, 2, 0, 0, 0))
+ changeset6 = create(:changeset, :closed, :user => user, :created_at => Time.utc(2008, 6, 1, 0, 0, 0), :closed_at => Time.utc(2008, 6, 2, 0, 0, 0))
+
+ get changesets_path
+ assert_response :success
+ assert_changesets_in_order [changeset6, changeset5, changeset4, changeset3, changeset2, changeset1]
+
+ get changesets_path(:order => "oldest")
+ assert_response :success
+ assert_changesets_in_order [changeset1, changeset2, changeset3, changeset4, changeset5, changeset6]
+
+ [
+ # lower time bound at the opening time of a changeset
+ ["2008-02-01T00:00:00Z", "2008-05-15T00:00:00Z", [changeset5, changeset4, changeset3, changeset2], [changeset5, changeset4, changeset3, changeset2]],
+ # lower time bound in the middle of a changeset
+ ["2008-02-01T12:00:00Z", "2008-05-15T00:00:00Z", [changeset5, changeset4, changeset3, changeset2], [changeset5, changeset4, changeset3]],
+ # lower time bound at the closing time of a changeset
+ ["2008-02-02T00:00:00Z", "2008-05-15T00:00:00Z", [changeset5, changeset4, changeset3, changeset2], [changeset5, changeset4, changeset3]],
+ # lower time bound after the closing time of a changeset
+ ["2008-02-02T00:00:01Z", "2008-05-15T00:00:00Z", [changeset5, changeset4, changeset3], [changeset5, changeset4, changeset3]],
+ # upper time bound in the middle of a changeset
+ ["2007-09-09T12:00:00Z", "2008-04-01T12:00:00Z", [changeset4, changeset3, changeset2, changeset1], [changeset4, changeset3, changeset2, changeset1]],
+ # empty range
+ ["2009-02-02T00:00:01Z", "2018-05-15T00:00:00Z", [], []]
+ ].each do |from, to, interval_changesets, point_changesets|
+ get changesets_path(:time => "#{from},#{to}")
+ assert_response :success
+ assert_changesets_in_order interval_changesets
+
+ get changesets_path(:from => from, :to => to)
+ assert_response :success
+ assert_changesets_in_order point_changesets
+
+ get changesets_path(:from => from, :to => to, :order => "oldest")
+ assert_response :success
+ assert_changesets_in_order point_changesets.reverse
+ end
+ end
+
+ ##
+ # test the query functionality of overlapping changesets with order and time parameters
+ def test_query_order_overlapping
+ user = create(:user)
+ changeset1 = create(:changeset, :closed, :user => user, :created_at => Time.utc(2015, 6, 4, 17, 0, 0), :closed_at => Time.utc(2015, 6, 4, 17, 0, 0))
+ changeset2 = create(:changeset, :closed, :user => user, :created_at => Time.utc(2015, 6, 4, 16, 0, 0), :closed_at => Time.utc(2015, 6, 4, 18, 0, 0))
+ changeset3 = create(:changeset, :closed, :user => user, :created_at => Time.utc(2015, 6, 4, 14, 0, 0), :closed_at => Time.utc(2015, 6, 4, 20, 0, 0))
+ changeset4 = create(:changeset, :closed, :user => user, :created_at => Time.utc(2015, 6, 3, 23, 0, 0), :closed_at => Time.utc(2015, 6, 4, 23, 0, 0))
+ create(:changeset, :closed, :user => user, :created_at => Time.utc(2015, 6, 2, 23, 0, 0), :closed_at => Time.utc(2015, 6, 3, 23, 0, 0))
+
+ get changesets_path(:time => "2015-06-04T00:00:00Z")
+ assert_response :success
+ assert_changesets_in_order [changeset1, changeset2, changeset3, changeset4]
+
+ get changesets_path(:from => "2015-06-04T00:00:00Z")
+ assert_response :success
+ assert_changesets_in_order [changeset1, changeset2, changeset3]
+
+ get changesets_path(:from => "2015-06-04T00:00:00Z", :order => "oldest")
+ assert_response :success
+ assert_changesets_in_order [changeset3, changeset2, changeset1]
+
+ get changesets_path(:time => "2015-06-04T16:00:00Z,2015-06-04T17:30:00Z")
+ assert_response :success
+ assert_changesets_in_order [changeset1, changeset2, changeset3, changeset4]
+
+ get changesets_path(:from => "2015-06-04T16:00:00Z", :to => "2015-06-04T17:30:00Z")
+ assert_response :success
+ assert_changesets_in_order [changeset1, changeset2]
+
+ get changesets_path(:from => "2015-06-04T16:00:00Z", :to => "2015-06-04T17:30:00Z", :order => "oldest")
+ assert_response :success
+ assert_changesets_in_order [changeset2, changeset1]
+ end
+
##
# check that errors are returned if garbage is inserted
# into query strings
@@ -1614,6 +2076,9 @@ module Api
get changesets_path(:user => uid)
assert_response :bad_request, "'#{uid}' isn't a valid user ID"
end
+
+ get changesets_path(:order => "oldest", :time => "2008-01-01T00:00Z,2018-01-01T00:00Z")
+ assert_response :bad_request, "cannot use order=oldest with time"
end
##
@@ -1743,7 +2208,7 @@ module Api
assert_equal Changeset::MAX_ELEMENTS + 1, changeset.num_changes
# check that the changeset is now closed as well
- assert_not(changeset.is_open?,
+ assert_not(changeset.open?,
"changeset should have been auto-closed by exceeding " \
"element limit.")
end
@@ -1867,8 +2332,7 @@ module Api
private
##
- # boilerplate for checking that certain changesets exist in the
- # output.
+ # check that certain changesets exist in the output
def assert_changesets(changesets)
assert_select "osm>changeset", changesets.size
changesets.each do |changeset|
@@ -1876,6 +2340,15 @@ module Api
end
end
+ ##
+ # check that certain changesets exist in the output in the specified order
+ def assert_changesets_in_order(changesets)
+ assert_select "osm>changeset", changesets.size
+ changesets.each_with_index do |changeset, index|
+ assert_select "osm>changeset:nth-child(#{index + 1})[id='#{changeset.id}']", 1
+ end
+ end
+
##
# update the changeset_id of a way element
def update_changeset(xml, changeset_id)