test/controllers/api/ways/relations_controller_test.rb

   1 require "test_helper"
   2
   3 module Api
   4   module Ways
   5     class RelationsControllerTest < ActionDispatch::IntegrationTest
   6       ##
   7       # test all routes which lead to this controller
   8       def test_routes
   9         assert_routing(
  10           { :path => "/api/0.6/way/1/relations", :method => :get },
  11           { :controller => "api/ways/relations", :action => "index", :way_id => "1" }
  12         )
  13         assert_routing(
  14           { :path => "/api/0.6/way/1/relations.json", :method => :get },
  15           { :controller => "api/ways/relations", :action => "index", :way_id => "1", :format => "json" }
  16         )
  17       end
  18
  19       def test_index
  20         way = create(:way)
  21         # should include relations with that way as a member
  22         relation_with_way = create(:relation_member, :member => way).relation
  23         # should ignore relations without that way as a member
  24         _relation_without_way = create(:relation_member).relation
  25         # should ignore relations with the way involved indirectly, via a relation
  26         second_relation = create(:relation_member, :member => way).relation
  27         _super_relation = create(:relation_member, :member => second_relation).relation
  28         # should combine multiple relation_member references into just one relation entry
  29         create(:relation_member, :member => way, :relation => relation_with_way)
  30         # should not include deleted relations
  31         deleted_relation = create(:relation, :deleted)
  32         create(:relation_member, :member => way, :relation => deleted_relation)
  33
  34         get api_way_relations_path(way)
  35
  36         assert_response :success
  37
  38         # count one osm element
  39         assert_select "osm[version='#{Settings.api_version}'][generator='#{Settings.generator}']", 1
  40
  41         # we should have only the expected number of relations
  42         expected_relations = [relation_with_way, second_relation]
  43         assert_select "osm>relation", expected_relations.size
  44
  45         # and each of them should contain the element we originally searched for
  46         expected_relations.each do |containing_relation|
  47           # The relation should appear once, but the element could appear multiple times
  48           assert_select "osm>relation[id='#{containing_relation.id}']", 1
  49           assert_select "osm>relation[id='#{containing_relation.id}']>member[type='way'][ref='#{way.id}']"
  50         end
  51       end
  52
  53       def test_index_json
  54         way = create(:way)
  55         containing_relation = create(:relation_member, :member => way).relation
  56
  57         get api_way_relations_path(way, :format => "json")
  58
  59         assert_response :success
  60         js = ActiveSupport::JSON.decode(@response.body)
  61         assert_not_nil js
  62         assert_equal 1, js["elements"].count
  63         js_relations = js["elements"].filter { |e| e["type"] == "relation" }
  64         assert_equal 1, js_relations.count
  65         assert_equal containing_relation.id, js_relations[0]["id"]
  66       end
  67     end
  68   end
  69 end