]> git.openstreetmap.org Git - rails.git/blob - test/controllers/api/changesets/uploads_controller_test.rb
Update number of deleted ways in changeset
[rails.git] / test / controllers / api / changesets / uploads_controller_test.rb
1 require "test_helper"
2
3 module Api
4   module Changesets
5     class UploadsControllerTest < ActionDispatch::IntegrationTest
6       ##
7       # test all routes which lead to this controller
8       def test_routes
9         assert_routing(
10           { :path => "/api/0.6/changeset/1/upload", :method => :post },
11           { :controller => "api/changesets/uploads", :action => "create", :changeset_id => "1" }
12         )
13       end
14
15       def test_upload_when_unauthorized
16         changeset = create(:changeset)
17         node = create(:node, :latitude => 0, :longitude => 0)
18
19         diff = <<~CHANGESET
20           <osmChange>
21             <modify>
22               <node id='#{node.id}' lon='1' lat='2' changeset='#{changeset.id}' version='1'/>
23             </modify>
24           </osmChange>
25         CHANGESET
26
27         post api_changeset_upload_path(changeset), :params => diff
28
29         assert_response :unauthorized
30
31         assert_no_changes_in changeset
32
33         node.reload
34         assert_equal 1, node.version
35         assert_equal 0, node.latitude
36         assert_equal 0, node.longitude
37       end
38
39       def test_upload_by_private_user
40         user = create(:user, :data_public => false)
41         changeset = create(:changeset, :user => user)
42         node = create(:node, :latitude => 0, :longitude => 0)
43
44         diff = <<~CHANGESET
45           <osmChange>
46             <modify>
47               <node id='#{node.id}' lon='1' lat='2' changeset='#{changeset.id}' version='1'/>
48             </modify>
49           </osmChange>
50         CHANGESET
51
52         auth_header = bearer_authorization_header user
53
54         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
55
56         assert_response :forbidden
57
58         assert_no_changes_in changeset
59
60         node.reload
61         assert_equal 1, node.version
62         assert_equal 0, node.latitude
63         assert_equal 0, node.longitude
64       end
65
66       def test_upload_without_required_scope
67         user = create(:user)
68         changeset = create(:changeset, :user => user)
69         node = create(:node, :latitude => 0, :longitude => 0)
70
71         diff = <<~CHANGESET
72           <osmChange>
73             <modify>
74               <node id='#{node.id}' lon='1' lat='2' changeset='#{changeset.id}' version='1'/>
75             </modify>
76           </osmChange>
77         CHANGESET
78
79         auth_header = bearer_authorization_header user, :scopes => %w[read_prefs]
80
81         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
82
83         assert_response :forbidden
84
85         assert_no_changes_in changeset
86
87         node.reload
88         assert_equal 1, node.version
89         assert_equal 0, node.latitude
90         assert_equal 0, node.longitude
91       end
92
93       def test_upload_with_required_scope
94         user = create(:user)
95         changeset = create(:changeset, :user => user)
96         node = create(:node, :latitude => 0, :longitude => 0)
97
98         diff = <<~CHANGESET
99           <osmChange>
100             <modify>
101               <node id='#{node.id}' lon='1' lat='2' changeset='#{changeset.id}' version='1'/>
102             </modify>
103           </osmChange>
104         CHANGESET
105
106         auth_header = bearer_authorization_header user, :scopes => %w[write_api]
107
108         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
109
110         assert_response :success
111
112         assert_dom "diffResult[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1 do
113           assert_dom "> node", 1 do
114             assert_dom "> @old_id", node.id.to_s
115             assert_dom "> @new_id", node.id.to_s
116             assert_dom "> @new_version", "2"
117           end
118         end
119
120         changeset.reload
121         assert_equal 1, changeset.num_changes
122         assert_predicate changeset, :num_type_changes_in_sync?
123         assert_equal 1, changeset.num_modified_nodes
124
125         node.reload
126         assert_equal 2, node.version
127         assert_equal 2 * GeoRecord::SCALE, node.latitude
128         assert_equal 1 * GeoRecord::SCALE, node.longitude
129       end
130
131       ##
132       # try to upload with commands other than create, modify, or delete
133       def test_upload_unknown_action
134         changeset = create(:changeset)
135
136         diff = <<~CHANGESET
137           <osmChange>
138             <ping>
139               <node id='1' lon='1' lat='1' changeset='#{changeset.id}' />
140             </ping>
141           </osmChange>
142         CHANGESET
143
144         auth_header = bearer_authorization_header changeset.user
145
146         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
147
148         assert_response :bad_request
149         assert_equal "Unknown action ping, choices are create, modify, delete", @response.body
150
151         assert_no_changes_in changeset
152       end
153
154       ##
155       # test for issues in https://github.com/openstreetmap/trac-tickets/issues/1568
156       def test_upload_empty_changeset
157         changeset = create(:changeset)
158
159         auth_header = bearer_authorization_header changeset.user
160
161         ["<osmChange/>",
162          "<osmChange></osmChange>",
163          "<osmChange><modify/></osmChange>",
164          "<osmChange><modify></modify></osmChange>"].each do |diff|
165           post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
166
167           assert_response :success
168         end
169
170         assert_no_changes_in changeset
171       end
172
173       ##
174       # test that the X-Error-Format header works to request XML errors
175       def test_upload_xml_errors
176         changeset = create(:changeset)
177         node = create(:node)
178         create(:relation_member, :member => node)
179
180         # try and delete a node that is in use
181         diff = XML::Document.new
182         diff.root = XML::Node.new "osmChange"
183         delete = XML::Node.new "delete"
184         diff.root << delete
185         delete << xml_node_for_node(node)
186
187         auth_header = bearer_authorization_header changeset.user
188         error_header = error_format_header "xml"
189
190         post api_changeset_upload_path(changeset), :params => diff.to_s, :headers => auth_header.merge(error_header)
191
192         assert_response :success
193
194         assert_dom "osmError[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1
195         assert_dom "osmError>status", 1
196         assert_dom "osmError>message", 1
197       end
198
199       # -------------------------------------
200       # Test creating elements.
201       # -------------------------------------
202
203       def test_upload_create_node
204         user = create(:user)
205         changeset = create(:changeset, :user => user)
206
207         diff = <<~CHANGESET
208           <osmChange>
209             <create>
210               <node id='-1' lon='30' lat='60' changeset='#{changeset.id}'>
211                 <tag k='amenity' v='bar'/>
212                 <tag k='name' v='Foo'/>
213               </node>
214             </create>
215           </osmChange>
216         CHANGESET
217
218         auth_header = bearer_authorization_header user
219
220         assert_difference "Node.count" => 1,
221                           "OldNode.count" => 1,
222                           "NodeTag.count" => 2,
223                           "OldNodeTag.count" => 2 do
224           post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
225
226           assert_response :success
227         end
228
229         node = nil
230         assert_dom "diffResult[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1 do
231           assert_dom "> node", 1 do |(node_el)|
232             node = Node.find(node_el["new_id"].to_i)
233             assert_dom "> @old_id", "-1"
234             assert_dom "> @new_version", "1"
235           end
236         end
237
238         changeset.reload
239         assert_equal 1, changeset.num_changes
240         assert_predicate changeset, :num_type_changes_in_sync?
241         assert_equal 1, changeset.num_created_nodes
242
243         assert_equal 1, node.version
244         assert_equal changeset, node.changeset
245         assert_predicate node, :visible?
246         assert_equal({ "name" => "Foo", "amenity" => "bar" }, node.tags)
247         assert_equal 60, node.lat
248         assert_equal 30, node.lon
249       end
250
251       def test_upload_create_way
252         node1 = create(:node)
253         node2 = create(:node)
254         user = create(:user)
255         changeset = create(:changeset, :user => user)
256
257         diff = <<~CHANGESET
258           <osmChange>
259             <create>
260               <way id='-1' changeset='#{changeset.id}'>
261                 <tag k='highway' v='primary'/>
262                 <tag k='name' v='Foo'/>
263                 <nd ref='#{node1.id}'/>
264                 <nd ref='#{node2.id}'/>
265               </way>
266             </create>
267           </osmChange>
268         CHANGESET
269
270         auth_header = bearer_authorization_header user
271
272         assert_difference "Way.count" => 1,
273                           "OldWay.count" => 1,
274                           "WayTag.count" => 2,
275                           "OldWayTag.count" => 2,
276                           "WayNode.count" => 2,
277                           "OldWayNode.count" => 2 do
278           post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
279
280           assert_response :success
281         end
282
283         way = nil
284         assert_dom "diffResult[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1 do
285           assert_dom "> way", 1 do |(way_el)|
286             way = Way.find(way_el["new_id"].to_i)
287             assert_dom "> @old_id", "-1"
288             assert_dom "> @new_version", "1"
289           end
290         end
291
292         changeset.reload
293         assert_equal 1, changeset.num_changes
294         assert_predicate changeset, :num_type_changes_in_sync?
295         assert_equal 1, changeset.num_created_ways
296
297         assert_equal 1, way.version
298         assert_equal changeset, way.changeset
299         assert_predicate way, :visible?
300         assert_equal({ "name" => "Foo", "highway" => "primary" }, way.tags)
301         assert_equal [node1, node2], way.nodes
302       end
303
304       def test_upload_create_relation
305         node1 = create(:node)
306         way1 = create(:way_with_nodes)
307         relation1 = create(:relation)
308         user = create(:user)
309         changeset = create(:changeset, :user => user)
310
311         diff = <<~CHANGESET
312           <osmChange>
313             <create>
314               <relation id='-1' changeset='#{changeset.id}'>
315                 <member type='node' role='n_role' ref='#{node1.id}'/>
316                 <member type='way' role='w_role' ref='#{way1.id}'/>
317                 <member type='relation' role='r_role' ref='#{relation1.id}'/>
318                 <tag k='type' v='collection'/>
319               </relation>
320             </create>
321           </osmChange>
322         CHANGESET
323
324         auth_header = bearer_authorization_header user
325
326         assert_difference "Relation.count" => 1,
327                           "OldRelation.count" => 1,
328                           "RelationTag.count" => 1,
329                           "OldRelationTag.count" => 1,
330                           "RelationMember.count" => 3,
331                           "OldRelationMember.count" => 3 do
332           post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
333
334           assert_response :success
335         end
336
337         relation = nil
338         assert_dom "diffResult[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1 do
339           assert_dom "> relation", 1 do |(relation_el)|
340             relation = Relation.find(relation_el["new_id"].to_i)
341             assert_dom "> @old_id", "-1"
342             assert_dom "> @new_version", "1"
343           end
344         end
345
346         changeset.reload
347         assert_equal 1, changeset.num_changes
348         assert_predicate changeset, :num_type_changes_in_sync?
349         assert_equal 1, changeset.num_created_relations
350
351         assert_equal 1, relation.version
352         assert_equal changeset, relation.changeset
353         assert_predicate relation, :visible?
354         assert_equal({ "type" => "collection" }, relation.tags)
355         assert_equal [["Node", node1.id, "n_role"],
356                       ["Way", way1.id, "w_role"],
357                       ["Relation", relation1.id, "r_role"]], relation.members
358       end
359
360       def test_upload_create_elements
361         user = create(:user)
362         changeset = create(:changeset, :user => user)
363         node = create(:node)
364         way = create(:way_with_nodes, :nodes_count => 2)
365         relation = create(:relation)
366
367         diff = <<~CHANGESET
368           <osmChange>
369             <create>
370               <node id='-1' lon='0' lat='0' changeset='#{changeset.id}'>
371                 <tag k='foo' v='bar'/>
372                 <tag k='baz' v='bat'/>
373               </node>
374               <way id='-1' changeset='#{changeset.id}'>
375                 <nd ref='#{node.id}'/>
376               </way>
377             </create>
378             <create>
379               <relation id='-1' changeset='#{changeset.id}'>
380                 <member type='way' role='some' ref='#{way.id}'/>
381                 <member type='node' role='some' ref='#{node.id}'/>
382                 <member type='relation' role='some' ref='#{relation.id}'/>
383               </relation>
384             </create>
385           </osmChange>
386         CHANGESET
387
388         auth_header = bearer_authorization_header user
389
390         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
391
392         assert_response :success
393
394         new_node_id, new_way_id, new_rel_id = nil
395         assert_dom "diffResult[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1 do
396           # inspect the response to find out what the new element IDs are
397           # check the old IDs are all present and negative one
398           # check the versions are present and equal one
399           assert_dom "> node", 1 do |(node_el)|
400             new_node_id = node_el["new_id"].to_i
401             assert_dom "> @old_id", "-1"
402             assert_dom "> @new_version", "1"
403           end
404           assert_dom "> way", 1 do |(way_el)|
405             new_way_id = way_el["new_id"].to_i
406             assert_dom "> @old_id", "-1"
407             assert_dom "> @new_version", "1"
408           end
409           assert_dom "> relation", 1 do |(rel_el)|
410             new_rel_id = rel_el["new_id"].to_i
411             assert_dom "> @old_id", "-1"
412             assert_dom "> @new_version", "1"
413           end
414         end
415
416         changeset.reload
417         assert_equal 3, changeset.num_changes
418         assert_predicate changeset, :num_type_changes_in_sync?
419         assert_equal 1, changeset.num_created_nodes
420         assert_equal 1, changeset.num_created_ways
421         assert_equal 1, changeset.num_created_relations
422
423         assert_equal 2, Node.find(new_node_id).tags.size, "new node should have two tags"
424         assert_equal 0, Way.find(new_way_id).tags.size, "new way should have no tags"
425         assert_equal 0, Relation.find(new_rel_id).tags.size, "new relation should have no tags"
426       end
427
428       ##
429       # upload an element with a really long tag value
430       def test_upload_create_node_with_tag_too_long
431         changeset = create(:changeset)
432
433         diff = <<~CHANGESET
434           <osmChange>
435             <create>
436               <node id='-1' lon='0' lat='0' changeset='#{changeset.id}'>
437                 <tag k='foo' v='#{'x' * 256}'/>
438               </node>
439             </create>
440           </osmChange>
441         CHANGESET
442
443         auth_header = bearer_authorization_header changeset.user
444
445         assert_no_difference "Node.count" do
446           post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
447
448           assert_response :bad_request
449         end
450
451         assert_no_changes_in changeset
452       end
453
454       def test_upload_create_nodes_with_invalid_placeholder_reuse_in_one_action_block
455         changeset = create(:changeset)
456
457         diff = <<~CHANGESET
458           <osmChange>
459             <create>
460               <node id='-1' lon='0' lat='0' changeset='#{changeset.id}' version='1'/>
461               <node id='-1' lon='1' lat='1' changeset='#{changeset.id}' version='1'/>
462             </create>
463           </osmChange>
464         CHANGESET
465
466         auth_header = bearer_authorization_header changeset.user
467
468         assert_no_difference "Node.count" do
469           post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
470
471           assert_response :bad_request
472         end
473
474         assert_no_changes_in changeset
475       end
476
477       def test_upload_create_nodes_with_invalid_placeholder_reuse_in_two_action_blocks
478         changeset = create(:changeset)
479
480         diff = <<~CHANGESET
481           <osmChange>
482             <create>
483               <node id='-1' lon='0' lat='0' changeset='#{changeset.id}' version='1'/>
484             </create>
485             <create>
486               <node id='-1' lon='1' lat='1' changeset='#{changeset.id}' version='1'/>
487             </create>
488           </osmChange>
489         CHANGESET
490
491         auth_header = bearer_authorization_header changeset.user
492
493         assert_no_difference "Node.count" do
494           post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
495
496           assert_response :bad_request
497         end
498
499         assert_no_changes_in changeset
500       end
501
502       def test_upload_create_way_referring_node_placeholder_defined_later
503         changeset = create(:changeset)
504
505         diff = <<~CHANGESET
506           <osmChange>
507             <create>
508               <way id="-1" changeset="#{changeset.id}">
509                 <nd ref="-1"/>
510               </way>
511               <node id="-1" lat="1" lon="2" changeset="#{changeset.id}"/>
512             </create>
513           </osmChange>
514         CHANGESET
515
516         auth_header = bearer_authorization_header changeset.user
517
518         assert_no_difference "Node.count" do
519           assert_no_difference "Way.count" do
520             post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
521
522             assert_response :bad_request
523           end
524         end
525         assert_equal "Placeholder node not found for reference -1 in way -1", @response.body
526
527         assert_no_changes_in changeset
528       end
529
530       def test_upload_create_way_referring_undefined_node_placeholder
531         changeset = create(:changeset)
532
533         diff = <<~CHANGESET
534           <osmChange>
535             <create>
536               <way id="-1" changeset="#{changeset.id}">
537                 <nd ref="-1"/>
538               </way>
539             </create>
540           </osmChange>
541         CHANGESET
542
543         auth_header = bearer_authorization_header changeset.user
544
545         assert_no_difference "Way.count" do
546           post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
547
548           assert_response :bad_request
549         end
550         assert_equal "Placeholder node not found for reference -1 in way -1", @response.body
551
552         assert_no_changes_in changeset
553       end
554
555       def test_upload_create_existing_way_referring_undefined_node_placeholder
556         changeset = create(:changeset)
557         way = create(:way)
558
559         diff = <<~CHANGESET
560           <osmChange>
561             <create>
562               <way id="#{way.id}" changeset="#{changeset.id}" version="1">
563                 <nd ref="-1"/>
564               </way>
565             </create>
566           </osmChange>
567         CHANGESET
568
569         auth_header = bearer_authorization_header changeset.user
570
571         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
572
573         assert_response :bad_request
574         assert_equal "Placeholder node not found for reference -1 in way #{way.id}", @response.body
575
576         assert_no_changes_in changeset
577
578         way.reload
579         assert_equal 1, way.version
580       end
581
582       def test_upload_create_relation_referring_undefined_node_placeholder
583         changeset = create(:changeset)
584
585         diff = <<~CHANGESET
586           <osmChange>
587             <create>
588               <relation id="-1" changeset="#{changeset.id}" version="1">
589                 <member type="node" role="foo" ref="-1"/>
590               </relation>
591             </create>
592           </osmChange>
593         CHANGESET
594
595         auth_header = bearer_authorization_header changeset.user
596
597         assert_no_difference "Relation.count" do
598           post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
599
600           assert_response :bad_request
601         end
602         assert_equal "Placeholder Node not found for reference -1 in relation -1.", @response.body
603
604         assert_no_changes_in changeset
605       end
606
607       def test_upload_create_existing_relation_referring_undefined_way_placeholder
608         changeset = create(:changeset)
609         relation = create(:relation)
610
611         diff = <<~CHANGESET
612           <osmChange>
613             <create>
614               <relation id="#{relation.id}" changeset="#{changeset.id}" version="1">
615                 <member type="way" role="bar" ref="-1"/>
616               </relation>
617             </create>
618           </osmChange>
619         CHANGESET
620
621         auth_header = bearer_authorization_header changeset.user
622
623         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
624
625         assert_response :bad_request
626         assert_equal "Placeholder Way not found for reference -1 in relation #{relation.id}.", @response.body
627
628         assert_no_changes_in changeset
629
630         relation.reload
631         assert_equal 1, relation.version
632       end
633
634       def test_upload_create_relations_with_circular_references
635         changeset = create(:changeset)
636
637         diff = <<~CHANGESET
638           <osmChange version='0.6'>
639             <create>
640               <relation id='-2' version='0' changeset='#{changeset.id}'>
641                 <member type='relation' role='' ref='-4' />
642                 <tag k='type' v='route' />
643                 <tag k='name' v='AtoB' />
644               </relation>
645               <relation id='-3' version='0' changeset='#{changeset.id}'>
646                 <tag k='type' v='route' />
647                 <tag k='name' v='BtoA' />
648               </relation>
649               <relation id='-4' version='0' changeset='#{changeset.id}'>
650                 <member type='relation' role='' ref='-2' />
651                 <member type='relation' role='' ref='-3' />
652                 <tag k='type' v='route_master' />
653                 <tag k='name' v='master' />
654               </relation>
655             </create>
656           </osmChange>
657         CHANGESET
658
659         auth_header = bearer_authorization_header changeset.user
660
661         post api_changeset_upload_path(changeset), :params => diff.to_s, :headers => auth_header
662
663         assert_response :bad_request
664         assert_equal "Placeholder Relation not found for reference -4 in relation -2.", @response.body
665
666         assert_no_changes_in changeset
667       end
668
669       # -------------------------------------
670       # Test modifying elements.
671       # -------------------------------------
672
673       def test_upload_modify_node
674         user = create(:user)
675         changeset = create(:changeset, :user => user)
676         node = create(:node, :latitude => 0, :longitude => 0)
677         create(:node_tag, :node => node)
678
679         diff = <<~CHANGESET
680           <osmChange>
681             <modify>
682               <node id='#{node.id}' lon='1' lat='2' changeset='#{changeset.id}' version='1'/>
683             </modify>
684           </osmChange>
685         CHANGESET
686
687         auth_header = bearer_authorization_header user
688
689         assert_difference "Node.count" => 0,
690                           "OldNode.count" => 1,
691                           "NodeTag.count" => -1,
692                           "OldNodeTag.count" => 0 do
693           post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
694
695           assert_response :success
696         end
697
698         assert_dom "diffResult[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1 do
699           assert_dom "> node", 1 do
700             assert_dom "> @old_id", node.id.to_s
701             assert_dom "> @new_id", node.id.to_s
702             assert_dom "> @new_version", "2"
703           end
704         end
705
706         changeset.reload
707         assert_equal 1, changeset.num_changes
708         assert_predicate changeset, :num_type_changes_in_sync?
709         assert_equal 1, changeset.num_modified_nodes
710
711         node.reload
712         assert_equal 2, node.version
713         assert_equal 2 * GeoRecord::SCALE, node.latitude
714         assert_equal 1 * GeoRecord::SCALE, node.longitude
715         assert_equal 0, node.tags.size, "node #{node.id} should now have no tags"
716       end
717
718       def test_upload_modify_way
719         user = create(:user)
720         changeset = create(:changeset, :user => user)
721         node = create(:node)
722         way = create(:way_with_nodes, :nodes_count => 3)
723         create(:way_tag, :way => way)
724
725         diff = <<~CHANGESET
726           <osmChange>
727             <modify>
728               <way id='#{way.id}' changeset='#{changeset.id}' version='1'>
729                 <nd ref='#{node.id}'/>
730               </way>
731             </modify>
732           </osmChange>
733         CHANGESET
734
735         auth_header = bearer_authorization_header user
736
737         assert_difference "Way.count" => 0,
738                           "OldWay.count" => 1,
739                           "WayTag.count" => -1,
740                           "OldWayTag.count" => 0,
741                           "WayNode.count" => -2,
742                           "OldWayNode.count" => 1 do
743           post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
744
745           assert_response :success
746         end
747
748         assert_dom "diffResult[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1 do
749           assert_dom "> way", 1 do
750             assert_dom "> @old_id", way.id.to_s
751             assert_dom "> @new_id", way.id.to_s
752             assert_dom "> @new_version", "2"
753           end
754         end
755
756         changeset.reload
757         assert_equal 1, changeset.num_changes
758         assert_predicate changeset, :num_type_changes_in_sync?
759         assert_equal 1, changeset.num_modified_ways
760
761         way.reload
762         assert_equal 2, way.version
763         assert_equal 0, way.tags.size, "way #{way.id} should now have no tags"
764         assert_equal [node], way.nodes
765       end
766
767       def test_upload_modify_relation
768         user = create(:user)
769         changeset = create(:changeset, :user => user)
770         node = create(:node)
771         way = create(:way_with_nodes)
772         relation = create(:relation)
773         other_relation = create(:relation)
774         create(:relation_tag, :relation => relation)
775
776         diff = <<~CHANGESET
777           <osmChange>
778             <modify>
779               <relation id='#{relation.id}' changeset='#{changeset.id}' version='1'>
780                 <member type='way' role='some' ref='#{way.id}'/>
781                 <member type='node' role='some' ref='#{node.id}'/>
782                 <member type='relation' role='some' ref='#{other_relation.id}'/>
783               </relation>
784             </modify>
785           </osmChange>
786         CHANGESET
787
788         auth_header = bearer_authorization_header user
789
790         assert_difference "Relation.count" => 0,
791                           "OldRelation.count" => 1,
792                           "RelationTag.count" => -1,
793                           "OldRelationTag.count" => 0,
794                           "RelationMember.count" => 3,
795                           "OldRelationMember.count" => 3 do
796           post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
797
798           assert_response :success
799         end
800
801         assert_dom "diffResult[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1 do
802           assert_dom "> relation", 1 do
803             assert_dom "> @old_id", relation.id.to_s
804             assert_dom "> @new_id", relation.id.to_s
805             assert_dom "> @new_version", "2"
806           end
807         end
808
809         changeset.reload
810         assert_equal 1, changeset.num_changes
811         assert_predicate changeset, :num_type_changes_in_sync?
812         assert_equal 1, changeset.num_modified_relations
813
814         relation.reload
815         assert_equal 2, relation.version
816         assert_equal 0, relation.tags.size, "relation #{relation.id} should now have no tags"
817         assert_equal [["Way", way.id, "some"], ["Node", node.id, "some"], ["Relation", other_relation.id, "some"]], relation.members
818       end
819
820       def test_upload_modify_elements
821         user = create(:user)
822         changeset = create(:changeset, :user => user)
823         node = create(:node, :latitude => 0, :longitude => 0)
824         way = create(:way)
825         relation = create(:relation)
826         other_relation = create(:relation)
827
828         # create some tags, since we test that they are removed later
829         create(:node_tag, :node => node)
830         create(:way_tag, :way => way)
831         create(:relation_tag, :relation => relation)
832
833         # simple diff to change a node, way and relation by removing their tags
834         diff = <<~CHANGESET
835           <osmChange>
836             <modify>
837               <node id='#{node.id}' lon='1' lat='2' changeset='#{changeset.id}' version='1'/>
838               <way id='#{way.id}' changeset='#{changeset.id}' version='1'>
839                 <nd ref='#{node.id}'/>
840               </way>
841             </modify>
842             <modify>
843               <relation id='#{relation.id}' changeset='#{changeset.id}' version='1'>
844                 <member type='way' role='some' ref='#{way.id}'/>
845                 <member type='node' role='some' ref='#{node.id}'/>
846                 <member type='relation' role='some' ref='#{other_relation.id}'/>
847               </relation>
848             </modify>
849           </osmChange>
850         CHANGESET
851
852         auth_header = bearer_authorization_header user
853
854         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
855
856         assert_response :success
857
858         assert_dom "diffResult[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1 do
859           assert_dom "> node", 1 do
860             assert_dom "> @old_id", node.id.to_s
861             assert_dom "> @new_id", node.id.to_s
862             assert_dom "> @new_version", "2"
863           end
864           assert_dom "> way", 1 do
865             assert_dom "> @old_id", way.id.to_s
866             assert_dom "> @new_id", way.id.to_s
867             assert_dom "> @new_version", "2"
868           end
869           assert_dom "> relation", 1 do
870             assert_dom "> @old_id", relation.id.to_s
871             assert_dom "> @new_id", relation.id.to_s
872             assert_dom "> @new_version", "2"
873           end
874         end
875
876         changeset.reload
877         assert_equal 3, changeset.num_changes
878         assert_predicate changeset, :num_type_changes_in_sync?
879         assert_equal 1, changeset.num_modified_nodes
880         assert_equal 1, changeset.num_modified_ways
881         assert_equal 1, changeset.num_modified_relations
882
883         node.reload
884         assert_equal 2, node.version
885         assert_equal 2 * GeoRecord::SCALE, node.latitude
886         assert_equal 1 * GeoRecord::SCALE, node.longitude
887         assert_equal 0, node.tags.size, "node #{node.id} should now have no tags"
888         way.reload
889         assert_equal 2, way.version
890         assert_equal 0, way.tags.size, "way #{way.id} should now have no tags"
891         assert_equal [node], way.nodes
892         relation.reload
893         assert_equal 2, relation.version
894         assert_equal 0, relation.tags.size, "relation #{relation.id} should now have no tags"
895         assert_equal [["Way", way.id, "some"], ["Node", node.id, "some"], ["Relation", other_relation.id, "some"]], relation.members
896       end
897
898       ##
899       # upload multiple versions of the same element in the same diff.
900       def test_upload_modify_multiple_node_versions
901         node = create(:node)
902         changeset = create(:changeset)
903
904         # change the location of a node multiple times, each time referencing
905         # the last version. doesn't this depend on version numbers being
906         # sequential?
907         diff = <<~CHANGESET
908           <osmChange>
909             <modify>
910               <node id='#{node.id}' lon='0.0' lat='0.0' changeset='#{changeset.id}' version='1'/>
911               <node id='#{node.id}' lon='0.1' lat='0.0' changeset='#{changeset.id}' version='2'/>
912               <node id='#{node.id}' lon='0.1' lat='0.1' changeset='#{changeset.id}' version='3'/>
913               <node id='#{node.id}' lon='0.1' lat='0.2' changeset='#{changeset.id}' version='4'/>
914               <node id='#{node.id}' lon='0.2' lat='0.2' changeset='#{changeset.id}' version='5'/>
915               <node id='#{node.id}' lon='0.3' lat='0.2' changeset='#{changeset.id}' version='6'/>
916               <node id='#{node.id}' lon='0.3' lat='0.3' changeset='#{changeset.id}' version='7'/>
917               <node id='#{node.id}' lon='0.9' lat='0.9' changeset='#{changeset.id}' version='8'/>
918             </modify>
919           </osmChange>
920         CHANGESET
921
922         auth_header = bearer_authorization_header changeset.user
923
924         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
925
926         assert_response :success
927
928         assert_dom "diffResult>node", 8
929
930         changeset.reload
931         assert_equal 8, changeset.num_changes
932         assert_predicate changeset, :num_type_changes_in_sync?
933         assert_equal 8, changeset.num_modified_nodes
934
935         node.reload
936         assert_equal 9, node.version
937         assert_equal 0.9 * GeoRecord::SCALE, node.latitude
938         assert_equal 0.9 * GeoRecord::SCALE, node.longitude
939       end
940
941       ##
942       # upload multiple versions of the same element in the same diff, but
943       # keep the version numbers the same.
944       def test_upload_modify_duplicate_node_versions
945         node = create(:node, :latitude => 0, :longitude => 0)
946         changeset = create(:changeset)
947
948         diff = <<~CHANGESET
949           <osmChange>
950             <modify>
951               <node id='#{node.id}' lon='1' lat='1' changeset='#{changeset.id}' version='1'/>
952               <node id='#{node.id}' lon='2' lat='2' changeset='#{changeset.id}' version='1'/>
953             </modify>
954           </osmChange>
955         CHANGESET
956
957         auth_header = bearer_authorization_header changeset.user
958
959         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
960
961         assert_response :conflict
962
963         assert_no_changes_in changeset
964
965         node.reload
966         assert_equal 1, node.version
967         assert_equal 0, node.latitude
968         assert_equal 0, node.longitude
969       end
970
971       ##
972       # try to upload some elements without specifying the version
973       def test_upload_modify_missing_node_version
974         node = create(:node, :latitude => 0, :longitude => 0)
975         changeset = create(:changeset)
976
977         diff = <<~CHANGESET
978           <osmChange>
979             <modify>
980               <node id='#{node.id}' lon='1' lat='1' changeset='#{changeset.id}'/>
981             </modify>
982           </osmChange>
983         CHANGESET
984
985         auth_header = bearer_authorization_header changeset.user
986
987         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
988
989         assert_response :bad_request
990
991         assert_no_changes_in changeset
992
993         node.reload
994         assert_equal 1, node.version
995         assert_equal 0, node.latitude
996         assert_equal 0, node.longitude
997       end
998
999       ##
1000       # create a diff which references several changesets, which should cause
1001       # a rollback and none of the diff gets committed
1002       def test_upload_modify_with_references_to_different_changesets
1003         changeset1 = create(:changeset)
1004         changeset2 = create(:changeset, :user => changeset1.user)
1005         node1 = create(:node)
1006         node2 = create(:node)
1007
1008         # simple diff to create a node way and relation using placeholders
1009         diff = <<~CHANGESET
1010           <osmChange>
1011             <modify>
1012               <node id='#{node1.id}' lon='0' lat='0' changeset='#{changeset1.id}' version='1'/>
1013             </modify>
1014             <modify>
1015               <node id='#{node2.id}' lon='0' lat='0' changeset='#{changeset2.id}' version='1'/>
1016             </modify>
1017           </osmChange>
1018         CHANGESET
1019
1020         auth_header = bearer_authorization_header changeset1.user
1021
1022         post api_changeset_upload_path(changeset1), :params => diff, :headers => auth_header
1023
1024         assert_response :conflict
1025
1026         assert_no_changes_in changeset1
1027         assert_no_changes_in changeset2
1028
1029         assert_nodes_are_equal(node1, Node.find(node1.id))
1030         assert_nodes_are_equal(node2, Node.find(node2.id))
1031       end
1032
1033       ##
1034       # upload a valid changeset which has a mixture of whitespace
1035       # to check a bug https://github.com/openstreetmap/trac-tickets/issues/1565
1036       def test_upload_modify_with_mixed_whitespace
1037         changeset = create(:changeset)
1038         node = create(:node)
1039         way = create(:way_with_nodes, :nodes_count => 2)
1040         relation = create(:relation)
1041         other_relation = create(:relation)
1042         create(:relation_tag, :relation => relation)
1043
1044         diff = <<~CHANGESET
1045           <osmChange>
1046           <modify><node id='#{node.id}' lon='0' lat='0' changeset='#{changeset.id}'
1047             version='1'></node>
1048             <node id='#{node.id}' lon='1' lat='1' changeset='#{changeset.id}' version='2'><tag k='k' v='v'/></node></modify>
1049           <modify>
1050           <relation id='#{relation.id}' changeset='#{changeset.id}' version='1'><member
1051             type='way' role='some' ref='#{way.id}'/><member
1052               type='node' role='some' ref='#{node.id}'/>
1053             <member type='relation' role='some' ref='#{other_relation.id}'/>
1054             </relation>
1055           </modify></osmChange>
1056         CHANGESET
1057
1058         auth_header = bearer_authorization_header changeset.user
1059
1060         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
1061
1062         assert_response :success
1063
1064         assert_dom "diffResult>node", 2
1065         assert_dom "diffResult>relation", 1
1066
1067         changeset.reload
1068         assert_equal 3, changeset.num_changes
1069         assert_predicate changeset, :num_type_changes_in_sync?
1070         assert_equal 2, changeset.num_modified_nodes
1071         assert_equal 1, changeset.num_modified_relations
1072
1073         assert_equal 1, Node.find(node.id).tags.size, "node #{node.id} should now have one tag"
1074         assert_equal 0, Relation.find(relation.id).tags.size, "relation #{relation.id} should now have no tags"
1075       end
1076
1077       def test_upload_modify_unknown_node_placeholder
1078         check_upload_results_in_not_found do |changeset|
1079           "<modify><node id='-1' lon='0' lat='0' changeset='#{changeset.id}' version='1'/></modify>"
1080         end
1081       end
1082
1083       def test_upload_modify_unknown_way_placeholder
1084         check_upload_results_in_not_found do |changeset|
1085           "<modify><way id='-1' changeset='#{changeset.id}' version='1'/></modify>"
1086         end
1087       end
1088
1089       def test_upload_modify_unknown_relation_placeholder
1090         check_upload_results_in_not_found do |changeset|
1091           "<modify><relation id='-1' changeset='#{changeset.id}' version='1'/></modify>"
1092         end
1093       end
1094
1095       # -------------------------------------
1096       # Test deleting elements.
1097       # -------------------------------------
1098
1099       def test_upload_delete_node
1100         changeset = create(:changeset)
1101         node = create(:node, :lat => 0, :lon => 0)
1102         create(:node_tag, :node => node)
1103
1104         diff = <<~CHANGESET
1105           <osmChange>
1106             <delete>
1107               <node id='#{node.id}' changeset='#{changeset.id}' version='1' lat='0' lon='0'/>
1108             </delete>
1109           </osmChange>
1110         CHANGESET
1111
1112         auth_header = bearer_authorization_header changeset.user
1113
1114         assert_difference "Node.count" => 0,
1115                           "OldNode.count" => 1,
1116                           "NodeTag.count" => -1,
1117                           "OldNodeTag.count" => 0 do
1118           post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
1119
1120           assert_response :success
1121         end
1122
1123         assert_dom "diffResult", 1 do
1124           assert_dom "> node", 1 do
1125             assert_dom "> @old_id", node.id.to_s
1126           end
1127         end
1128
1129         changeset.reload
1130         assert_equal 1, changeset.num_changes
1131         assert_predicate changeset, :num_type_changes_in_sync?
1132         assert_equal 1, changeset.num_deleted_nodes
1133
1134         node.reload
1135         assert_not_predicate node, :visible?
1136       end
1137
1138       def test_upload_delete_way
1139         changeset = create(:changeset)
1140         way = create(:way_with_nodes, :nodes_count => 3)
1141         create(:way_tag, :way => way)
1142
1143         diff = <<~CHANGESET
1144           <osmChange>
1145             <delete>
1146               <way id='#{way.id}' changeset='#{changeset.id}' version='1'/>
1147             </delete>
1148           </osmChange>
1149         CHANGESET
1150
1151         auth_header = bearer_authorization_header changeset.user
1152
1153         assert_difference "Way.count" => 0,
1154                           "OldWay.count" => 1,
1155                           "WayTag.count" => -1,
1156                           "OldWayTag.count" => 0,
1157                           "WayNode.count" => -3,
1158                           "OldWayNode.count" => 0 do
1159           post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
1160
1161           assert_response :success
1162         end
1163
1164         assert_dom "diffResult", 1 do
1165           assert_dom "> way", 1 do
1166             assert_dom "> @old_id", way.id.to_s
1167           end
1168         end
1169
1170         changeset.reload
1171         assert_equal 1, changeset.num_changes
1172         assert_predicate changeset, :num_type_changes_in_sync?
1173         assert_equal 1, changeset.num_deleted_ways
1174
1175         way.reload
1176         assert_not_predicate way, :visible?
1177       end
1178
1179       def test_upload_delete_relation
1180         changeset = create(:changeset)
1181         relation = create(:relation)
1182         create(:relation_member, :relation => relation, :member => create(:node))
1183         create(:relation_tag, :relation => relation)
1184
1185         diff = <<~CHANGESET
1186           <osmChange>
1187             <delete>
1188               <relation id='#{relation.id}' changeset='#{changeset.id}' version='1'/>
1189             </delete>
1190           </osmChange>
1191         CHANGESET
1192
1193         auth_header = bearer_authorization_header changeset.user
1194
1195         assert_difference "Relation.count" => 0,
1196                           "OldRelation.count" => 1,
1197                           "RelationTag.count" => -1,
1198                           "OldRelationTag.count" => 0,
1199                           "RelationMember.count" => -1,
1200                           "OldRelationMember.count" => 0 do
1201           post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
1202
1203           assert_response :success
1204         end
1205
1206         assert_dom "diffResult", 1 do
1207           assert_dom "> relation", 1 do
1208             assert_dom "> @old_id", relation.id.to_s
1209           end
1210         end
1211
1212         relation.reload
1213         assert_not_predicate relation, :visible?
1214       end
1215
1216       ##
1217       # test a complex delete where we delete elements which rely on each other
1218       # in the same transaction.
1219       def test_upload_delete_elements
1220         changeset = create(:changeset)
1221         super_relation = create(:relation)
1222         used_relation = create(:relation)
1223         used_way = create(:way)
1224         used_node = create(:node)
1225         create(:relation_member, :relation => super_relation, :member => used_relation)
1226         create(:relation_member, :relation => super_relation, :member => used_way)
1227         create(:relation_member, :relation => super_relation, :member => used_node)
1228
1229         diff = XML::Document.new
1230         diff.root = XML::Node.new "osmChange"
1231         delete = XML::Node.new "delete"
1232         diff.root << delete
1233         delete << xml_node_for_relation(super_relation)
1234         delete << xml_node_for_relation(used_relation)
1235         delete << xml_node_for_way(used_way)
1236         delete << xml_node_for_node(used_node)
1237         %w[node way relation].each do |type|
1238           delete.find("//osmChange/delete/#{type}").each do |n|
1239             n["changeset"] = changeset.id.to_s
1240           end
1241         end
1242
1243         auth_header = bearer_authorization_header changeset.user
1244
1245         post api_changeset_upload_path(changeset), :params => diff.to_s, :headers => auth_header
1246
1247         assert_response :success
1248
1249         assert_dom "diffResult", 1 do
1250           assert_dom "> node", 1
1251           assert_dom "> way", 1
1252           assert_dom "> relation", 2
1253         end
1254
1255         assert_not Node.find(used_node.id).visible
1256         assert_not Way.find(used_way.id).visible
1257         assert_not Relation.find(super_relation.id).visible
1258         assert_not Relation.find(used_relation.id).visible
1259       end
1260
1261       ##
1262       # test uploading a delete with no lat/lon, as they are optional in the osmChange spec.
1263       def test_upload_delete_node_without_latlon
1264         node = create(:node)
1265         changeset = create(:changeset)
1266
1267         diff = "<osmChange><delete><node id='#{node.id}' version='#{node.version}' changeset='#{changeset.id}'/></delete></osmChange>"
1268
1269         auth_header = bearer_authorization_header changeset.user
1270
1271         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
1272
1273         assert_response :success
1274
1275         assert_dom "diffResult", 1 do
1276           assert_dom "> node", 1 do
1277             assert_dom "> @old_id", node.id.to_s
1278             assert_dom "> @new_id", 0
1279             assert_dom "> @new_version", 0
1280           end
1281         end
1282
1283         changeset.reload
1284         assert_equal 1, changeset.num_changes
1285         assert_predicate changeset, :num_type_changes_in_sync?
1286         assert_equal 1, changeset.num_deleted_nodes
1287
1288         node.reload
1289         assert_not node.visible
1290       end
1291
1292       ##
1293       # test that deleting stuff in a transaction doesn't bypass the checks
1294       # to ensure that used elements are not deleted.
1295       def test_upload_delete_referenced_elements
1296         changeset = create(:changeset)
1297         relation = create(:relation)
1298         other_relation = create(:relation)
1299         used_way = create(:way)
1300         used_node = create(:node)
1301         create(:relation_member, :relation => relation, :member => used_way)
1302         create(:relation_member, :relation => relation, :member => used_node)
1303
1304         diff = XML::Document.new
1305         diff.root = XML::Node.new "osmChange"
1306         delete = XML::Node.new "delete"
1307         diff.root << delete
1308         delete << xml_node_for_relation(other_relation)
1309         delete << xml_node_for_way(used_way)
1310         delete << xml_node_for_node(used_node)
1311         %w[node way relation].each do |type|
1312           delete.find("//osmChange/delete/#{type}").each do |n|
1313             n["changeset"] = changeset.id.to_s
1314           end
1315         end
1316
1317         auth_header = bearer_authorization_header changeset.user
1318
1319         post api_changeset_upload_path(changeset), :params => diff.to_s, :headers => auth_header
1320
1321         assert_response :precondition_failed
1322         assert_equal "Precondition failed: Way #{used_way.id} is still used by relations #{relation.id}.", @response.body
1323
1324         assert_no_changes_in changeset
1325
1326         assert Node.find(used_node.id).visible
1327         assert Way.find(used_way.id).visible
1328         assert Relation.find(relation.id).visible
1329         assert Relation.find(other_relation.id).visible
1330       end
1331
1332       ##
1333       # test that a conditional delete of an in use object works.
1334       def test_upload_delete_if_unused
1335         changeset = create(:changeset)
1336         super_relation = create(:relation)
1337         used_relation = create(:relation)
1338         used_way = create(:way)
1339         used_node = create(:node)
1340         create(:relation_member, :relation => super_relation, :member => used_relation)
1341         create(:relation_member, :relation => super_relation, :member => used_way)
1342         create(:relation_member, :relation => super_relation, :member => used_node)
1343
1344         diff = XML::Document.new
1345         diff.root = XML::Node.new "osmChange"
1346         delete = XML::Node.new "delete"
1347         diff.root << delete
1348         delete["if-unused"] = ""
1349         delete << xml_node_for_relation(used_relation)
1350         delete << xml_node_for_way(used_way)
1351         delete << xml_node_for_node(used_node)
1352         %w[node way relation].each do |type|
1353           delete.find("//osmChange/delete/#{type}").each do |n|
1354             n["changeset"] = changeset.id.to_s
1355           end
1356         end
1357
1358         auth_header = bearer_authorization_header changeset.user
1359
1360         post api_changeset_upload_path(changeset), :params => diff.to_s, :headers => auth_header
1361
1362         assert_response :success
1363
1364         assert_dom "diffResult[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1 do
1365           assert_dom "> node", 1 do
1366             assert_dom "> @old_id", used_node.id.to_s
1367             assert_dom "> @new_id", used_node.id.to_s
1368             assert_dom "> @new_version", used_node.version.to_s
1369           end
1370           assert_dom "> way", 1 do
1371             assert_dom "> @old_id", used_way.id.to_s
1372             assert_dom "> @new_id", used_way.id.to_s
1373             assert_dom "> @new_version", used_way.version.to_s
1374           end
1375           assert_dom "> relation", 1 do
1376             assert_dom "> @old_id", used_relation.id.to_s
1377             assert_dom "> @new_id", used_relation.id.to_s
1378             assert_dom "> @new_version", used_relation.version.to_s
1379           end
1380         end
1381
1382         assert_no_changes_in changeset
1383
1384         assert Node.find(used_node.id).visible
1385         assert Way.find(used_way.id).visible
1386         assert Relation.find(used_relation.id).visible
1387       end
1388
1389       def test_upload_delete_with_multiple_blocks_and_if_unused
1390         changeset = create(:changeset)
1391         node = create(:node)
1392         way = create(:way)
1393         create(:way_node, :way => way, :node => node)
1394         alone_node = create(:node)
1395
1396         diff = <<~CHANGESET
1397           <osmChange version='0.6'>
1398             <delete version="0.6">
1399               <node id="#{node.id}" version="#{node.version}" changeset="#{changeset.id}"/>
1400             </delete>
1401             <delete version="0.6" if-unused="true">
1402               <node id="#{alone_node.id}" version="#{alone_node.version}" changeset="#{changeset.id}"/>
1403             </delete>
1404           </osmChange>
1405         CHANGESET
1406
1407         auth_header = bearer_authorization_header changeset.user
1408
1409         post api_changeset_upload_path(changeset), :params => diff.to_s, :headers => auth_header
1410
1411         assert_response :precondition_failed
1412         assert_equal "Precondition failed: Node #{node.id} is still used by ways #{way.id}.", @response.body
1413
1414         assert_no_changes_in changeset
1415       end
1416
1417       def test_upload_delete_unknown_node_placeholder
1418         check_upload_results_in_not_found do |changeset|
1419           "<delete><node id='-1' changeset='#{changeset.id}' version='1'/></delete>"
1420         end
1421       end
1422
1423       def test_upload_delete_unknown_way_placeholder
1424         check_upload_results_in_not_found do |changeset|
1425           "<delete><way id='-1' changeset='#{changeset.id}' version='1'/></delete>"
1426         end
1427       end
1428
1429       def test_upload_delete_unknown_relation_placeholder
1430         check_upload_results_in_not_found do |changeset|
1431           "<delete><relation id='-1' changeset='#{changeset.id}' version='1'/></delete>"
1432         end
1433       end
1434
1435       # -------------------------------------
1436       # Test combined element changes.
1437       # -------------------------------------
1438
1439       ##
1440       # upload something which creates new objects and inserts them into
1441       # existing containers using placeholders.
1442       def test_upload_create_and_insert_elements
1443         way = create(:way)
1444         node = create(:node)
1445         relation = create(:relation)
1446         create(:way_node, :way => way, :node => node)
1447         changeset = create(:changeset)
1448
1449         diff = <<~CHANGESET
1450           <osmChange>
1451             <create>
1452               <node id='-1' lon='0' lat='0' changeset='#{changeset.id}'>
1453                 <tag k='foo' v='bar'/>
1454                 <tag k='baz' v='bat'/>
1455               </node>
1456             </create>
1457             <modify>
1458               <way id='#{way.id}' changeset='#{changeset.id}' version='1'>
1459                 <nd ref='-1'/>
1460                 <nd ref='#{node.id}'/>
1461               </way>
1462               <relation id='#{relation.id}' changeset='#{changeset.id}' version='1'>
1463                 <member type='way' role='some' ref='#{way.id}'/>
1464                 <member type='node' role='some' ref='-1'/>
1465                 <member type='relation' role='some' ref='#{relation.id}'/>
1466               </relation>
1467             </modify>
1468           </osmChange>
1469         CHANGESET
1470
1471         auth_header = bearer_authorization_header changeset.user
1472
1473         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
1474
1475         assert_response :success
1476
1477         new_node_id = nil
1478         assert_dom "diffResult[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1 do
1479           assert_dom "> node", 1 do |(node_el)|
1480             new_node_id = node_el["new_id"].to_i
1481           end
1482           assert_dom "> way", 1
1483           assert_dom "> relation", 1
1484         end
1485
1486         changeset.reload
1487         assert_equal 3, changeset.num_changes
1488         assert_predicate changeset, :num_type_changes_in_sync?
1489         assert_equal 1, changeset.num_created_nodes
1490         assert_equal 1, changeset.num_modified_ways
1491         assert_equal 1, changeset.num_modified_relations
1492
1493         assert_equal 2, Node.find(new_node_id).tags.size, "new node should have two tags"
1494         assert_equal [new_node_id, node.id], Way.find(way.id).nds, "way nodes should match"
1495         Relation.find(relation.id).members.each do |type, id, _role|
1496           assert_equal new_node_id, id, "relation should contain new node" if type == "node"
1497         end
1498       end
1499
1500       ##
1501       # test that a placeholder can be reused within the same upload.
1502       def test_upload_create_modify_delete_node_reusing_placeholder
1503         changeset = create(:changeset)
1504
1505         diff = <<~CHANGESET
1506           <osmChange>
1507             <create>
1508               <node id='-1' lon='0' lat='0' changeset='#{changeset.id}'>
1509                 <tag k="foo" v="bar"/>
1510               </node>
1511             </create>
1512             <modify>
1513               <node id='-1' lon='1' lat='1' changeset='#{changeset.id}' version='1'/>
1514             </modify>
1515             <delete>
1516               <node id='-1' lon='2' lat='2' changeset='#{changeset.id}' version='2'/>
1517             </delete>
1518           </osmChange>
1519         CHANGESET
1520
1521         auth_header = bearer_authorization_header changeset.user
1522
1523         assert_difference "Node.count", 1 do
1524           post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
1525
1526           assert_response :success
1527         end
1528
1529         assert_dom "diffResult>node", 3
1530         assert_dom "diffResult>node[old_id='-1']", 3
1531
1532         changeset.reload
1533         assert_equal 3, changeset.num_changes
1534         assert_predicate changeset, :num_type_changes_in_sync?
1535         assert_equal 1, changeset.num_created_nodes
1536         assert_equal 1, changeset.num_modified_nodes
1537         assert_equal 1, changeset.num_deleted_nodes
1538
1539         node = Node.last
1540         assert_equal 3, node.version
1541         assert_not node.visible
1542       end
1543
1544       def test_upload_create_and_duplicate_delete
1545         changeset = create(:changeset)
1546
1547         diff = <<~CHANGESET
1548           <osmChange>
1549             <create>
1550               <node id="-1" lat="39" lon="116" changeset="#{changeset.id}" />
1551             </create>
1552             <delete>
1553               <node id="-1" version="1" changeset="#{changeset.id}" />
1554               <node id="-1" version="1" changeset="#{changeset.id}" />
1555             </delete>
1556           </osmChange>
1557         CHANGESET
1558
1559         auth_header = bearer_authorization_header changeset.user
1560
1561         assert_no_difference "Node.count" do
1562           post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
1563
1564           assert_response :gone
1565         end
1566
1567         assert_no_changes_in changeset
1568       end
1569
1570       def test_upload_create_and_duplicate_delete_if_unused
1571         changeset = create(:changeset)
1572
1573         diff = <<~CHANGESET
1574           <osmChange>
1575             <create>
1576               <node id="-1" lat="39" lon="116" changeset="#{changeset.id}" />
1577             </create>
1578             <delete if-unused="true">
1579               <node id="-1" version="1" changeset="#{changeset.id}" />
1580               <node id="-1" version="1" changeset="#{changeset.id}" />
1581             </delete>
1582           </osmChange>
1583         CHANGESET
1584
1585         auth_header = bearer_authorization_header changeset.user
1586
1587         assert_difference "Node.count", 1 do
1588           post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
1589
1590           assert_response :success
1591         end
1592
1593         assert_dom "diffResult>node", 3
1594         assert_dom "diffResult>node[old_id='-1']", 3
1595         assert_dom "diffResult>node[new_version='1']", 1
1596         assert_dom "diffResult>node[new_version='2']", 1
1597
1598         changeset.reload
1599         assert_equal 2, changeset.num_changes
1600         assert_predicate changeset, :num_type_changes_in_sync?
1601         assert_equal 1, changeset.num_created_nodes
1602         assert_equal 1, changeset.num_deleted_nodes
1603
1604         node = Node.last
1605         assert_equal 2, node.version
1606         assert_not node.visible
1607       end
1608
1609       # -------------------------------------
1610       # Test bounding boxes.
1611       # -------------------------------------
1612
1613       def test_upload_bbox_of_widely_spaced_nodes
1614         user = create(:user)
1615
1616         # create an old changeset to ensure we have the maximum rate limit
1617         create(:changeset, :user => user, :created_at => Time.now.utc - 28.days)
1618
1619         changeset = create(:changeset, :user => user)
1620
1621         # upload some widely-spaced nodes, spiralling positive and negative
1622         diff = <<~CHANGESET
1623           <osmChange>
1624             <create>
1625               <node id='-1' lon='-20' lat='-10' changeset='#{changeset.id}'/>
1626               <node id='-10' lon='20'  lat='10' changeset='#{changeset.id}'/>
1627               <node id='-2' lon='-40' lat='-20' changeset='#{changeset.id}'/>
1628               <node id='-11' lon='40'  lat='20' changeset='#{changeset.id}'/>
1629               <node id='-3' lon='-60' lat='-30' changeset='#{changeset.id}'/>
1630               <node id='-12' lon='60'  lat='30' changeset='#{changeset.id}'/>
1631               <node id='-4' lon='-80' lat='-40' changeset='#{changeset.id}'/>
1632               <node id='-13' lon='80'  lat='40' changeset='#{changeset.id}'/>
1633               <node id='-5' lon='-100' lat='-50' changeset='#{changeset.id}'/>
1634               <node id='-14' lon='100'  lat='50' changeset='#{changeset.id}'/>
1635               <node id='-6' lon='-120' lat='-60' changeset='#{changeset.id}'/>
1636               <node id='-15' lon='120'  lat='60' changeset='#{changeset.id}'/>
1637               <node id='-7' lon='-140' lat='-70' changeset='#{changeset.id}'/>
1638               <node id='-16' lon='140'  lat='70' changeset='#{changeset.id}'/>
1639               <node id='-8' lon='-160' lat='-80' changeset='#{changeset.id}'/>
1640               <node id='-17' lon='160'  lat='80' changeset='#{changeset.id}'/>
1641               <node id='-9' lon='-179.9' lat='-89.9' changeset='#{changeset.id}'/>
1642               <node id='-18' lon='179.9'  lat='89.9' changeset='#{changeset.id}'/>
1643             </create>
1644           </osmChange>
1645         CHANGESET
1646
1647         auth_header = bearer_authorization_header user
1648
1649         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
1650
1651         assert_response :success
1652
1653         changeset.reload
1654         assert_equal 18, changeset.num_changes
1655         assert_predicate changeset, :num_type_changes_in_sync?
1656         assert_equal 18, changeset.num_created_nodes
1657
1658         # check that the changeset bbox is within bounds
1659         assert_operator changeset.min_lon, :>=, -180 * GeoRecord::SCALE, "Minimum longitude (#{changeset.min_lon / GeoRecord::SCALE}) should be >= -180 to be valid."
1660         assert_operator changeset.max_lon, :<=, 180 * GeoRecord::SCALE, "Maximum longitude (#{changeset.max_lon / GeoRecord::SCALE}) should be <= 180 to be valid."
1661         assert_operator changeset.min_lat, :>=, -90 * GeoRecord::SCALE, "Minimum latitude (#{changeset.min_lat / GeoRecord::SCALE}) should be >= -90 to be valid."
1662         assert_operator changeset.max_lat, :<=, 90 * GeoRecord::SCALE, "Maximum latitude (#{changeset.max_lat / GeoRecord::SCALE}) should be <= 90 to be valid."
1663       end
1664
1665       def test_upload_bbox_of_moved_node
1666         changeset = create(:changeset)
1667         node = create(:node, :lat => 1.0, :lon => 2.0)
1668
1669         diff = <<~CHANGESET
1670           <osmChange>
1671             <modify>
1672               <node id='#{node.id}' lat='1.1' lon='2.1' changeset='#{changeset.id}' version='1'/>
1673             </modify>
1674           </osmChange>
1675         CHANGESET
1676
1677         auth_header = bearer_authorization_header changeset.user
1678
1679         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
1680
1681         assert_response :success
1682
1683         changeset.reload
1684         assert_equal 1, changeset.num_changes
1685         assert_predicate changeset, :num_type_changes_in_sync?
1686         assert_equal 1, changeset.num_modified_nodes
1687
1688         # check the bbox
1689         assert_equal 1.0 * GeoRecord::SCALE, changeset.min_lat, "min_lat should be 1.0 degrees"
1690         assert_equal 2.0 * GeoRecord::SCALE, changeset.min_lon, "min_lon should be 2.0 degrees"
1691         assert_equal 1.1 * GeoRecord::SCALE, changeset.max_lat, "max_lat should be 1.1 degrees"
1692         assert_equal 2.1 * GeoRecord::SCALE, changeset.max_lon, "max_lon should be 2.1 degrees"
1693       end
1694
1695       def test_upload_bbox_of_extended_way
1696         way = create(:way)
1697         initial_node = create(:node, :lat => 1.1, :lon => 2.1)
1698         create(:way_node, :way => way, :node => initial_node)
1699         added_node = create(:node, :lat => 1.3, :lon => 2.3)
1700         changeset = create(:changeset)
1701
1702         diff = <<~CHANGESET
1703           <osmChange>
1704             <modify>
1705               <way id='#{way.id}' changeset='#{changeset.id}' version='1'>
1706                 <nd ref='#{initial_node.id}'/>
1707                 <nd ref='#{added_node.id}'/>
1708               </way>
1709             </modify>
1710           </osmChange>
1711         CHANGESET
1712
1713         auth_header = bearer_authorization_header changeset.user
1714
1715         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
1716
1717         assert_response :success
1718
1719         changeset.reload
1720         assert_equal 1, changeset.num_changes
1721         assert_predicate changeset, :num_type_changes_in_sync?
1722         assert_equal 1, changeset.num_modified_ways
1723
1724         # check the bbox
1725         assert_equal 1.1 * GeoRecord::SCALE, changeset.min_lat, "min_lat should be 1.1 degrees"
1726         assert_equal 2.1 * GeoRecord::SCALE, changeset.min_lon, "min_lon should be 2.1 degrees"
1727         assert_equal 1.3 * GeoRecord::SCALE, changeset.max_lat, "max_lat should be 1.3 degrees"
1728         assert_equal 2.3 * GeoRecord::SCALE, changeset.max_lon, "max_lon should be 2.3 degrees"
1729       end
1730
1731       # -------------------------------------
1732       # Test upload rate/size limits.
1733       # -------------------------------------
1734
1735       def test_upload_initial_rate_limit
1736         user = create(:user)
1737         node = create(:node)
1738         way = create(:way_with_nodes, :nodes_count => 2)
1739         relation = create(:relation)
1740
1741         # create a changeset that puts us near the initial rate limit
1742         num_changes = Settings.initial_changes_per_hour - 2
1743         changeset = create(:changeset, :user => user,
1744                                        :created_at => Time.now.utc - 5.minutes,
1745                                        :num_changes => num_changes,
1746                                        :num_created_nodes => num_changes)
1747
1748         diff = <<~CHANGESET
1749           <osmChange>
1750             <create>
1751               <node id='-1' lon='0' lat='0' changeset='#{changeset.id}'>
1752                 <tag k='foo' v='bar'/>
1753                 <tag k='baz' v='bat'/>
1754               </node>
1755               <way id='-1' changeset='#{changeset.id}'>
1756                 <nd ref='#{node.id}'/>
1757               </way>
1758             </create>
1759             <create>
1760               <relation id='-1' changeset='#{changeset.id}'>
1761                 <member type='way' role='some' ref='#{way.id}'/>
1762                 <member type='node' role='some' ref='#{node.id}'/>
1763                 <member type='relation' role='some' ref='#{relation.id}'/>
1764               </relation>
1765             </create>
1766           </osmChange>
1767         CHANGESET
1768
1769         auth_header = bearer_authorization_header user
1770
1771         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
1772
1773         assert_response :too_many_requests, "upload did not hit rate limit"
1774
1775         changeset.reload
1776         assert_equal num_changes, changeset.num_changes
1777         assert_predicate changeset, :num_type_changes_in_sync?
1778       end
1779
1780       def test_upload_maximum_rate_limit
1781         user = create(:user)
1782         node = create(:node)
1783         way = create(:way_with_nodes, :nodes_count => 2)
1784         relation = create(:relation)
1785
1786         # create a changeset to establish our initial edit time
1787         changeset = create(:changeset, :user => user,
1788                                        :created_at => Time.now.utc - 28.days)
1789
1790         # create changeset to put us near the maximum rate limit
1791         remaining_num_changes = Settings.max_changes_per_hour - 2
1792         num_changes = 0
1793         while remaining_num_changes.positive?
1794           num_changes = [remaining_num_changes, Changeset::MAX_ELEMENTS].min
1795           changeset = create(:changeset, :user => user,
1796                                          :created_at => Time.now.utc - 5.minutes,
1797                                          :num_changes => num_changes,
1798                                          :num_created_nodes => num_changes)
1799           remaining_num_changes -= num_changes
1800         end
1801
1802         diff = <<~CHANGESET
1803           <osmChange>
1804             <create>
1805               <node id='-1' lon='0' lat='0' changeset='#{changeset.id}'>
1806                 <tag k='foo' v='bar'/>
1807                 <tag k='baz' v='bat'/>
1808               </node>
1809               <way id='-1' changeset='#{changeset.id}'>
1810                 <nd ref='#{node.id}'/>
1811               </way>
1812             </create>
1813             <create>
1814               <relation id='-1' changeset='#{changeset.id}'>
1815                 <member type='way' role='some' ref='#{way.id}'/>
1816                 <member type='node' role='some' ref='#{node.id}'/>
1817                 <member type='relation' role='some' ref='#{relation.id}'/>
1818               </relation>
1819             </create>
1820           </osmChange>
1821         CHANGESET
1822
1823         auth_header = bearer_authorization_header user
1824
1825         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
1826
1827         assert_response :too_many_requests, "upload did not hit rate limit"
1828
1829         changeset.reload
1830         assert_equal num_changes, changeset.num_changes
1831         assert_predicate changeset, :num_type_changes_in_sync?
1832       end
1833
1834       def test_upload_initial_size_limit
1835         user = create(:user)
1836
1837         # create a changeset that puts us near the initial size limit
1838         changeset = create(:changeset, :user => user,
1839                                        :min_lat => (-0.5 * GeoRecord::SCALE).round, :min_lon => (0.5 * GeoRecord::SCALE).round,
1840                                        :max_lat => (0.5 * GeoRecord::SCALE).round, :max_lon => (2.5 * GeoRecord::SCALE).round)
1841
1842         diff = <<~CHANGESET
1843           <osmChange>
1844             <create>
1845               <node id='-1' lon='0.9' lat='2.9' changeset='#{changeset.id}'>
1846                 <tag k='foo' v='bar'/>
1847                 <tag k='baz' v='bat'/>
1848               </node>
1849             </create>
1850           </osmChange>
1851         CHANGESET
1852
1853         auth_header = bearer_authorization_header user
1854
1855         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
1856
1857         assert_response :payload_too_large, "upload did not hit size limit"
1858
1859         assert_no_changes_in changeset
1860       end
1861
1862       def test_upload_size_limit_after_one_week
1863         user = create(:user)
1864
1865         # create a changeset to establish our initial edit time
1866         create(:changeset, :user => user, :created_at => Time.now.utc - 7.days)
1867
1868         # create a changeset that puts us near the initial size limit
1869         changeset = create(:changeset, :user => user, :bbox => [0.5, -0.5, 2.5, 0.5])
1870
1871         diff = <<~CHANGESET
1872           <osmChange>
1873             <create>
1874               <node id='-1' lon='35' lat='35' changeset='#{changeset.id}'>
1875                 <tag k='foo' v='bar'/>
1876                 <tag k='baz' v='bat'/>
1877               </node>
1878             </create>
1879           </osmChange>
1880         CHANGESET
1881
1882         auth_header = bearer_authorization_header user
1883
1884         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
1885
1886         assert_response :payload_too_large, "upload did not hit size limit"
1887
1888         assert_no_changes_in changeset
1889       end
1890
1891       private
1892
1893       def check_upload_results_in_not_found(&)
1894         changeset = create(:changeset)
1895         diff = "<osmChange>#{yield changeset}</osmChange>"
1896         auth_header = bearer_authorization_header changeset.user
1897
1898         post api_changeset_upload_path(changeset), :params => diff, :headers => auth_header
1899
1900         assert_response :not_found
1901
1902         assert_no_changes_in changeset
1903       end
1904
1905       def assert_no_changes_in(changeset)
1906         changeset.reload
1907         assert_equal 0, changeset.num_changes
1908         assert_predicate changeset, :num_type_changes_in_sync?
1909       end
1910     end
1911   end
1912 end