1 require File.dirname(__FILE__) + '/../test_helper'
2 require 'relation_controller'
4 class RelationControllerTest < ActionController::TestCase
7 # -------------------------------------
8 # Test reading relations.
9 # -------------------------------------
12 # check that a visible relation is returned properly
13 get :read, :id => current_relations(:visible_relation).id
14 assert_response :success
16 # check that an invisible relation is not returned
17 get :read, :id => current_relations(:invisible_relation).id
20 # check chat a non-existent relation is not returned
22 assert_response :not_found
26 # check that all relations containing a particular node, and no extra
27 # relations, are returned from the relations_for_node call.
28 def test_relations_for_node
29 check_relations_for_element(:relations_for_node, "node",
30 current_nodes(:node_used_by_relationship).id,
31 [ :visible_relation, :used_relation ])
34 def test_relations_for_way
35 check_relations_for_element(:relations_for_way, "way",
36 current_ways(:used_way).id,
37 [ :visible_relation ])
40 def test_relations_for_relation
41 check_relations_for_element(:relations_for_relation, "relation",
42 current_relations(:used_relation).id,
43 [ :visible_relation ])
46 def check_relations_for_element(method, type, id, expected_relations)
47 # check the "relations for relation" mode
49 assert_response :success
51 # count one osm element
52 assert_select "osm[version=#{API_VERSION}][generator=\"OpenStreetMap server\"]", 1
54 # we should have only the expected number of relations
55 assert_select "osm>relation", expected_relations.size
57 # and each of them should contain the node we originally searched for
58 expected_relations.each do |r|
59 relation_id = current_relations(r).id
60 assert_select "osm>relation#?", relation_id
61 assert_select "osm>relation#?>member[type=\"#{type}\"][ref=#{id}]", relation_id
66 # check the "full" mode
67 get :full, :id => current_relations(:visible_relation).id
68 assert_response :success
69 # FIXME check whether this contains the stuff we want!
75 # -------------------------------------
76 # Test simple relation creation.
77 # -------------------------------------
80 basic_authorization users(:normal_user).email, "test"
82 # put the relation in a dummy fixture changset
83 changeset_id = changesets(:normal_user_first_change).id
85 # create an relation without members
86 content "<osm><relation changeset='#{changeset_id}'><tag k='test' v='yes' /></relation></osm>"
88 # hope for forbidden, due to user
89 assert_response :forbidden,
90 "relation upload should have failed with forbidden"
93 # create an relation with a node as member
94 # This time try with a role attribute in the relation
95 nid = current_nodes(:used_node_1).id
96 content "<osm><relation changeset='#{changeset_id}'>" +
97 "<member ref='#{nid}' type='node' role='some'/>" +
98 "<tag k='test' v='yes' /></relation></osm>"
100 # hope for forbidden due to user
101 assert_response :forbidden,
102 "relation upload did not return forbidden status"
105 # create an relation with a node as member, this time test that we don't
106 # need a role attribute to be included
107 nid = current_nodes(:used_node_1).id
108 content "<osm><relation changeset='#{changeset_id}'>" +
109 "<member ref='#{nid}' type='node'/>"+
110 "<tag k='test' v='yes' /></relation></osm>"
112 # hope for forbidden due to user
113 assert_response :forbidden,
114 "relation upload did not return forbidden status"
117 # create an relation with a way and a node as members
118 nid = current_nodes(:used_node_1).id
119 wid = current_ways(:used_way).id
120 content "<osm><relation changeset='#{changeset_id}'>" +
121 "<member type='node' ref='#{nid}' role='some'/>" +
122 "<member type='way' ref='#{wid}' role='other'/>" +
123 "<tag k='test' v='yes' /></relation></osm>"
125 # hope for forbidden, due to user
126 assert_response :forbidden,
127 "relation upload did not return success status"
131 ## Now try with the public user
132 basic_authorization users(:public_user).email, "test"
134 # put the relation in a dummy fixture changset
135 changeset_id = changesets(:public_user_first_change).id
137 # create an relation without members
138 content "<osm><relation changeset='#{changeset_id}'><tag k='test' v='yes' /></relation></osm>"
141 assert_response :success,
142 "relation upload did not return success status"
143 # read id of created relation and search for it
144 relationid = @response.body
145 checkrelation = Relation.find(relationid)
146 assert_not_nil checkrelation,
147 "uploaded relation not found in data base after upload"
149 assert_equal checkrelation.members.length, 0,
150 "saved relation contains members but should not"
151 assert_equal checkrelation.tags.length, 1,
152 "saved relation does not contain exactly one tag"
153 assert_equal changeset_id, checkrelation.changeset.id,
154 "saved relation does not belong in the changeset it was assigned to"
155 assert_equal users(:public_user).id, checkrelation.changeset.user_id,
156 "saved relation does not belong to user that created it"
157 assert_equal true, checkrelation.visible,
158 "saved relation is not visible"
159 # ok the relation is there but can we also retrieve it?
160 get :read, :id => relationid
161 assert_response :success
165 # create an relation with a node as member
166 # This time try with a role attribute in the relation
167 nid = current_nodes(:used_node_1).id
168 content "<osm><relation changeset='#{changeset_id}'>" +
169 "<member ref='#{nid}' type='node' role='some'/>" +
170 "<tag k='test' v='yes' /></relation></osm>"
173 assert_response :success,
174 "relation upload did not return success status"
175 # read id of created relation and search for it
176 relationid = @response.body
177 checkrelation = Relation.find(relationid)
178 assert_not_nil checkrelation,
179 "uploaded relation not found in data base after upload"
181 assert_equal checkrelation.members.length, 1,
182 "saved relation does not contain exactly one member"
183 assert_equal checkrelation.tags.length, 1,
184 "saved relation does not contain exactly one tag"
185 assert_equal changeset_id, checkrelation.changeset.id,
186 "saved relation does not belong in the changeset it was assigned to"
187 assert_equal users(:public_user).id, checkrelation.changeset.user_id,
188 "saved relation does not belong to user that created it"
189 assert_equal true, checkrelation.visible,
190 "saved relation is not visible"
191 # ok the relation is there but can we also retrieve it?
193 get :read, :id => relationid
194 assert_response :success
198 # create an relation with a node as member, this time test that we don't
199 # need a role attribute to be included
200 nid = current_nodes(:used_node_1).id
201 content "<osm><relation changeset='#{changeset_id}'>" +
202 "<member ref='#{nid}' type='node'/>"+
203 "<tag k='test' v='yes' /></relation></osm>"
206 assert_response :success,
207 "relation upload did not return success status"
208 # read id of created relation and search for it
209 relationid = @response.body
210 checkrelation = Relation.find(relationid)
211 assert_not_nil checkrelation,
212 "uploaded relation not found in data base after upload"
214 assert_equal checkrelation.members.length, 1,
215 "saved relation does not contain exactly one member"
216 assert_equal checkrelation.tags.length, 1,
217 "saved relation does not contain exactly one tag"
218 assert_equal changeset_id, checkrelation.changeset.id,
219 "saved relation does not belong in the changeset it was assigned to"
220 assert_equal users(:public_user).id, checkrelation.changeset.user_id,
221 "saved relation does not belong to user that created it"
222 assert_equal true, checkrelation.visible,
223 "saved relation is not visible"
224 # ok the relation is there but can we also retrieve it?
226 get :read, :id => relationid
227 assert_response :success
230 # create an relation with a way and a node as members
231 nid = current_nodes(:used_node_1).id
232 wid = current_ways(:used_way).id
233 content "<osm><relation changeset='#{changeset_id}'>" +
234 "<member type='node' ref='#{nid}' role='some'/>" +
235 "<member type='way' ref='#{wid}' role='other'/>" +
236 "<tag k='test' v='yes' /></relation></osm>"
239 assert_response :success,
240 "relation upload did not return success status"
241 # read id of created relation and search for it
242 relationid = @response.body
243 checkrelation = Relation.find(relationid)
244 assert_not_nil checkrelation,
245 "uploaded relation not found in data base after upload"
247 assert_equal checkrelation.members.length, 2,
248 "saved relation does not have exactly two members"
249 assert_equal checkrelation.tags.length, 1,
250 "saved relation does not contain exactly one tag"
251 assert_equal changeset_id, checkrelation.changeset.id,
252 "saved relation does not belong in the changeset it was assigned to"
253 assert_equal users(:public_user).id, checkrelation.changeset.user_id,
254 "saved relation does not belong to user that created it"
255 assert_equal true, checkrelation.visible,
256 "saved relation is not visible"
257 # ok the relation is there but can we also retrieve it?
258 get :read, :id => relationid
259 assert_response :success
263 # ------------------------------------
264 # Test updating relations
265 # ------------------------------------
268 # test that, when tags are updated on a relation, the correct things
269 # happen to the correct tables and the API gives sensible results.
270 # this is to test a case that gregory marler noticed and posted to
272 ## FIXME Move this to an integration test
273 def test_update_relation_tags
274 basic_authorization "test@example.com", "test"
275 rel_id = current_relations(:multi_tag_relation).id
276 cs_id = changesets(:public_user_first_change).id
278 with_relation(rel_id) do |rel|
279 # alter one of the tags
280 tag = rel.find("//osm/relation/tag").first
281 tag['v'] = 'some changed value'
282 update_changeset(rel, cs_id)
284 # check that the downloaded tags are the same as the uploaded tags...
285 new_version = with_update(rel) do |new_rel|
286 assert_tags_equal rel, new_rel
289 # check the original one in the current_* table again
290 with_relation(rel_id) { |r| assert_tags_equal rel, r }
292 # now check the version in the history
293 with_relation(rel_id, new_version) { |r| assert_tags_equal rel, r }
298 # test that, when tags are updated on a relation when using the diff
299 # upload function, the correct things happen to the correct tables
300 # and the API gives sensible results. this is to test a case that
301 # gregory marler noticed and posted to josm-dev.
302 def test_update_relation_tags_via_upload
303 basic_authorization users(:public_user).email, "test"
304 rel_id = current_relations(:multi_tag_relation).id
305 cs_id = changesets(:public_user_first_change).id
307 with_relation(rel_id) do |rel|
308 # alter one of the tags
309 tag = rel.find("//osm/relation/tag").first
310 tag['v'] = 'some changed value'
311 update_changeset(rel, cs_id)
313 # check that the downloaded tags are the same as the uploaded tags...
314 new_version = with_update_diff(rel) do |new_rel|
315 assert_tags_equal rel, new_rel
318 # check the original one in the current_* table again
319 with_relation(rel_id) { |r| assert_tags_equal rel, r }
321 # now check the version in the history
322 with_relation(rel_id, new_version) { |r| assert_tags_equal rel, r }
326 # -------------------------------------
327 # Test creating some invalid relations.
328 # -------------------------------------
330 def test_create_invalid
331 basic_authorization users(:public_user).email, "test"
333 # put the relation in a dummy fixture changset
334 changeset_id = changesets(:public_user_first_change).id
336 # create a relation with non-existing node as member
337 content "<osm><relation changeset='#{changeset_id}'>" +
338 "<member type='node' ref='0'/><tag k='test' v='yes' />" +
342 assert_response :precondition_failed,
343 "relation upload with invalid node did not return 'precondition failed'"
346 # -------------------------------------
347 # Test creating a relation, with some invalid XML
348 # -------------------------------------
349 def test_create_invalid_xml
350 basic_authorization users(:public_user).email, "test"
352 # put the relation in a dummy fixture changeset that works
353 changeset_id = changesets(:public_user_first_change).id
355 # create some xml that should return an error
356 content "<osm><relation changeset='#{changeset_id}'>" +
357 "<member type='type' ref='#{current_nodes(:used_node_1).id}' role=''/>" +
358 "<tag k='tester' v='yep'/></relation></osm>"
361 assert_response :bad_request
362 assert_match(/Cannot parse valid relation from xml string/, @response.body)
363 assert_match(/The type is not allowed only, /, @response.body)
367 # -------------------------------------
368 # Test deleting relations.
369 # -------------------------------------
372 # first try to delete relation without auth
373 delete :delete, :id => current_relations(:visible_relation).id
374 assert_response :unauthorized
376 ## First try with the private user, to make sure that you get a forbidden
377 basic_authorization(users(:normal_user).email, "test")
379 # this shouldn't work, as we should need the payload...
380 delete :delete, :id => current_relations(:visible_relation).id
381 assert_response :forbidden
383 # try to delete without specifying a changeset
384 content "<osm><relation id='#{current_relations(:visible_relation).id}'/></osm>"
385 delete :delete, :id => current_relations(:visible_relation).id
386 assert_response :forbidden
388 # try to delete with an invalid (closed) changeset
389 content update_changeset(current_relations(:visible_relation).to_xml,
390 changesets(:normal_user_closed_change).id)
391 delete :delete, :id => current_relations(:visible_relation).id
392 assert_response :forbidden
394 # try to delete with an invalid (non-existent) changeset
395 content update_changeset(current_relations(:visible_relation).to_xml,0)
396 delete :delete, :id => current_relations(:visible_relation).id
397 assert_response :forbidden
399 # this won't work because the relation is in-use by another relation
400 content(relations(:used_relation).to_xml)
401 delete :delete, :id => current_relations(:used_relation).id
402 assert_response :forbidden
404 # this should work when we provide the appropriate payload...
405 content(relations(:visible_relation).to_xml)
406 delete :delete, :id => current_relations(:visible_relation).id
407 assert_response :forbidden
409 # this won't work since the relation is already deleted
410 content(relations(:invisible_relation).to_xml)
411 delete :delete, :id => current_relations(:invisible_relation).id
412 assert_response :forbidden
414 # this works now because the relation which was using this one
416 content(relations(:used_relation).to_xml)
417 delete :delete, :id => current_relations(:used_relation).id
418 assert_response :forbidden
420 # this won't work since the relation never existed
421 delete :delete, :id => 0
422 assert_response :forbidden
426 # now set auth for the private user
427 basic_authorization(users(:public_user).email, "test");
429 # this shouldn't work, as we should need the payload...
430 delete :delete, :id => current_relations(:visible_relation).id
431 assert_response :bad_request
433 # try to delete without specifying a changeset
434 content "<osm><relation id='#{current_relations(:visible_relation).id}'/></osm>"
435 delete :delete, :id => current_relations(:visible_relation).id
436 assert_response :bad_request
437 assert_match(/You are missing the required changeset in the relation/, @response.body)
439 # try to delete with an invalid (closed) changeset
440 content update_changeset(current_relations(:visible_relation).to_xml,
441 changesets(:normal_user_closed_change).id)
442 delete :delete, :id => current_relations(:visible_relation).id
443 assert_response :conflict
445 # try to delete with an invalid (non-existent) changeset
446 content update_changeset(current_relations(:visible_relation).to_xml,0)
447 delete :delete, :id => current_relations(:visible_relation).id
448 assert_response :conflict
450 # this won't work because the relation is in a changeset owned by someone else
451 content(relations(:used_relation).to_xml)
452 delete :delete, :id => current_relations(:used_relation).id
453 assert_response :conflict,
454 "shouldn't be able to delete a relation in a changeset owned by someone else (#{@response.body})"
456 # this won't work because the relation in the payload is different to that passed
457 content(relations(:public_used_relation).to_xml)
458 delete :delete, :id => current_relations(:used_relation).id
459 assert_not_equal relations(:public_used_relation).id, current_relations(:used_relation).id
460 assert_response :bad_request, "shouldn't be able to delete a relation when payload is different to the url"
462 # this won't work because the relation is in-use by another relation
463 content(relations(:public_used_relation).to_xml)
464 delete :delete, :id => current_relations(:public_used_relation).id
465 assert_response :precondition_failed,
466 "shouldn't be able to delete a relation used in a relation (#{@response.body})"
468 # this should work when we provide the appropriate payload...
469 content(relations(:multi_tag_relation).to_xml)
470 delete :delete, :id => current_relations(:multi_tag_relation).id
471 assert_response :success
473 # valid delete should return the new version number, which should
474 # be greater than the old version number
475 assert @response.body.to_i > current_relations(:visible_relation).version,
476 "delete request should return a new version number for relation"
478 # this won't work since the relation is already deleted
479 content(relations(:invisible_relation).to_xml)
480 delete :delete, :id => current_relations(:invisible_relation).id
481 assert_response :gone
483 # this works now because the relation which was using this one
485 content(relations(:public_used_relation).to_xml)
486 delete :delete, :id => current_relations(:public_used_relation).id
487 assert_response :success,
488 "should be able to delete a relation used in an old relation (#{@response.body})"
490 # this won't work since the relation never existed
491 delete :delete, :id => 0
492 assert_response :not_found
496 # when a relation's tag is modified then it should put the bounding
497 # box of all its members into the changeset.
498 def test_tag_modify_bounding_box
499 # in current fixtures, relation 5 contains nodes 3 and 5 (node 3
500 # indirectly via way 3), so the bbox should be [3,3,5,5].
501 check_changeset_modify([3,3,5,5]) do |changeset_id|
502 # add a tag to an existing relation
503 relation_xml = current_relations(:visible_relation).to_xml
504 relation_element = relation_xml.find("//osm/relation").first
505 new_tag = XML::Node.new("tag")
506 new_tag['k'] = "some_new_tag"
507 new_tag['v'] = "some_new_value"
508 relation_element << new_tag
510 # update changeset ID to point to new changeset
511 update_changeset(relation_xml, changeset_id)
515 put :update, :id => current_relations(:visible_relation).id
516 assert_response :success, "can't update relation for tag/bbox test"
521 # add a member to a relation and check the bounding box is only that
523 def test_add_member_bounding_box
524 check_changeset_modify([4,4,4,4]) do |changeset_id|
525 # add node 4 (4,4) to an existing relation
526 relation_xml = current_relations(:visible_relation).to_xml
527 relation_element = relation_xml.find("//osm/relation").first
528 new_member = XML::Node.new("member")
529 new_member['ref'] = current_nodes(:used_node_2).id.to_s
530 new_member['type'] = "node"
531 new_member['role'] = "some_role"
532 relation_element << new_member
534 # update changeset ID to point to new changeset
535 update_changeset(relation_xml, changeset_id)
539 put :update, :id => current_relations(:visible_relation).id
540 assert_response :success, "can't update relation for add node/bbox test"
545 # remove a member from a relation and check the bounding box is
547 def test_remove_member_bounding_box
548 check_changeset_modify([5,5,5,5]) do |changeset_id|
549 # remove node 5 (5,5) from an existing relation
550 relation_xml = current_relations(:visible_relation).to_xml
552 find("//osm/relation/member[@type='node'][@ref='5']").
555 # update changeset ID to point to new changeset
556 update_changeset(relation_xml, changeset_id)
560 put :update, :id => current_relations(:visible_relation).id
561 assert_response :success, "can't update relation for remove node/bbox test"
566 # check that relations are ordered
567 def test_relation_member_ordering
568 basic_authorization(users(:public_user).email, "test")
572 <relation changeset='4'>
573 <member ref='1' type='node' role='first'/>
574 <member ref='3' type='node' role='second'/>
575 <member ref='1' type='way' role='third'/>
576 <member ref='3' type='way' role='fourth'/>
580 doc = XML::Parser.string(doc_str).parse
584 assert_response :success, "can't create a relation: #{@response.body}"
585 relation_id = @response.body.to_i
587 # get it back and check the ordering
588 get :read, :id => relation_id
589 assert_response :success, "can't read back the relation: #{@response.body}"
590 check_ordering(doc, @response.body)
592 # insert a member at the front
593 new_member = XML::Node.new "member"
594 new_member['ref'] = 5.to_s
595 new_member['type'] = 'node'
596 new_member['role'] = 'new first'
597 doc.find("//osm/relation").first.child.prev = new_member
598 # update the version, should be 1?
599 doc.find("//osm/relation").first['id'] = relation_id.to_s
600 doc.find("//osm/relation").first['version'] = 1.to_s
602 # upload the next version of the relation
604 put :update, :id => relation_id
605 assert_response :success, "can't update relation: #{@response.body}"
606 new_version = @response.body.to_i
608 # get it back again and check the ordering again
609 get :read, :id => relation_id
610 assert_response :success, "can't read back the relation: #{@response.body}"
611 check_ordering(doc, @response.body)
615 # check that relations can contain duplicate members
616 def test_relation_member_duplicates
617 ## First try with the private user
618 basic_authorization(users(:normal_user).email, "test");
622 <relation changeset='4'>
623 <member ref='1' type='node' role='forward'/>
624 <member ref='3' type='node' role='forward'/>
625 <member ref='1' type='node' role='forward'/>
626 <member ref='3' type='node' role='forward'/>
630 doc = XML::Parser.string(doc_str).parse
634 assert_response :forbidden
637 ## Now try with the public user
638 basic_authorization(users(:public_user).email, "test");
642 <relation changeset='4'>
643 <member ref='1' type='node' role='forward'/>
644 <member ref='3' type='node' role='forward'/>
645 <member ref='1' type='node' role='forward'/>
646 <member ref='3' type='node' role='forward'/>
650 doc = XML::Parser.string(doc_str).parse
654 assert_response :success, "can't create a relation: #{@response.body}"
655 relation_id = @response.body.to_i
657 # get it back and check the ordering
658 get :read, :id => relation_id
659 assert_response :success, "can't read back the relation: #{@response.body}"
660 check_ordering(doc, @response.body)
663 # ============================================================
665 # ============================================================
668 # checks that the XML document and the string arguments have
669 # members in the same order.
670 def check_ordering(doc, xml)
671 new_doc = XML::Parser.string(xml).parse
673 doc_members = doc.find("//osm/relation/member").collect do |m|
674 [m['ref'].to_i, m['type'].to_sym, m['role']]
677 new_members = new_doc.find("//osm/relation/member").collect do |m|
678 [m['ref'].to_i, m['type'].to_sym, m['role']]
681 doc_members.zip(new_members).each do |d, n|
682 assert_equal d, n, "members are not equal - ordering is wrong? (#{doc}, #{xml})"
687 # create a changeset and yield to the caller to set it up, then assert
688 # that the changeset bounding box is +bbox+.
689 def check_changeset_modify(bbox)
690 ## First test with the private user to check that you get a forbidden
691 basic_authorization(users(:normal_user).email, "test");
693 # create a new changeset for this operation, so we are assured
694 # that the bounding box will be newly-generated.
695 changeset_id = with_controller(ChangesetController.new) do
696 content "<osm><changeset/></osm>"
698 assert_response :forbidden, "shouldn't be able to create changeset for modify test, as should get forbidden"
702 ## Now do the whole thing with the public user
703 basic_authorization(users(:public_user).email, "test")
705 # create a new changeset for this operation, so we are assured
706 # that the bounding box will be newly-generated.
707 changeset_id = with_controller(ChangesetController.new) do
708 content "<osm><changeset/></osm>"
710 assert_response :success, "couldn't create changeset for modify test"
714 # go back to the block to do the actual modifies
717 # now download the changeset to check its bounding box
718 with_controller(ChangesetController.new) do
719 get :read, :id => changeset_id
720 assert_response :success, "can't re-read changeset for modify test"
721 assert_select "osm>changeset", 1
722 assert_select "osm>changeset[id=#{changeset_id}]", 1
723 assert_select "osm>changeset[min_lon=#{bbox[0].to_f}]", 1
724 assert_select "osm>changeset[min_lat=#{bbox[1].to_f}]", 1
725 assert_select "osm>changeset[max_lon=#{bbox[2].to_f}]", 1
726 assert_select "osm>changeset[max_lat=#{bbox[3].to_f}]", 1
731 # yields the relation with the given +id+ (and optional +version+
732 # to read from the history tables) into the block. the parsed XML
734 def with_relation(id, ver = nil)
738 with_controller(OldRelationController.new) do
739 get :version, :id => id, :version => ver
742 assert_response :success
743 yield xml_parse(@response.body)
747 # updates the relation (XML) +rel+ and
748 # yields the new version of that relation into the block.
749 # the parsed XML doc is retured.
751 rel_id = rel.find("//osm/relation").first["id"].to_i
753 put :update, :id => rel_id
754 assert_response :success, "can't update relation: #{@response.body}"
755 version = @response.body.to_i
757 # now get the new version
758 get :read, :id => rel_id
759 assert_response :success
760 new_rel = xml_parse(@response.body)
768 # updates the relation (XML) +rel+ via the diff-upload API and
769 # yields the new version of that relation into the block.
770 # the parsed XML doc is retured.
771 def with_update_diff(rel)
772 rel_id = rel.find("//osm/relation").first["id"].to_i
773 cs_id = rel.find("//osm/relation").first['changeset'].to_i
776 with_controller(ChangesetController.new) do
777 doc = OSM::API.new.get_xml_doc
778 change = XML::Node.new 'osmChange'
780 modify = XML::Node.new 'modify'
782 modify << doc.import(rel.find("//osm/relation").first)
785 post :upload, :id => cs_id
786 assert_response :success, "can't upload diff relation: #{@response.body}"
787 version = xml_parse(@response.body).find("//diffResult/relation").first["new_version"].to_i
790 # now get the new version
791 get :read, :id => rel_id
792 assert_response :success
793 new_rel = xml_parse(@response.body)
801 # returns a k->v hash of tags from an xml doc
802 def get_tags_as_hash(a)
803 a.find("//osm/relation/tag").inject({}) do |h,v|
810 # assert that all tags on relation documents +a+ and +b+
812 def assert_tags_equal(a, b)
813 # turn the XML doc into tags hashes
814 a_tags = get_tags_as_hash(a)
815 b_tags = get_tags_as_hash(b)
817 assert_equal a_tags.keys, b_tags.keys, "Tag keys should be identical."
818 a_tags.each do |k, v|
819 assert_equal v, b_tags[k],
820 "Tags which were not altered should be the same. " +
821 "#{a_tags.inspect} != #{b_tags.inspect}"
826 # update the changeset_id of a node element
827 def update_changeset(xml, changeset_id)
828 xml_attr_rewrite(xml, 'changeset', changeset_id)
832 # update an attribute in the node element
833 def xml_attr_rewrite(xml, name, value)
834 xml.find("//osm/relation").first[name] = value.to_s
841 parser = XML::Parser.string(xml)