test/controllers/api/ways/relations_controller_test.rb

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