+ def test_show_deleted
+ get api_relation_path(create(:relation, :deleted))
+ assert_response :gone
+ end
+
+ def test_show
+ relation = create(:relation, :timestamp => "2021-02-03T00:00:00Z")
+ node = create(:node, :timestamp => "2021-04-05T00:00:00Z")
+ create(:relation_member, :relation => relation, :member => node)
+
+ get api_relation_path(relation)
+
+ assert_response :success
+ assert_not_nil @response.header["Last-Modified"]
+ assert_equal "2021-02-03T00:00:00Z", Time.parse(@response.header["Last-Modified"]).utc.xmlschema
+ assert_dom "node", :count => 0
+ assert_dom "relation", :count => 1 do
+ assert_dom "> @id", :text => relation.id.to_s
+ end
+ end
+
+ def test_full_not_found
+ get api_relation_path(999999, :full => true)
+ assert_response :not_found
+ end
+
+ def test_full_deleted
+ get api_relation_path(create(:relation, :deleted), :full => true)
+ assert_response :gone
+ end
+
+ def test_full_empty
+ relation = create(:relation)
+
+ get api_relation_path(relation, :full => true)
+
+ assert_response :success
+ assert_dom "relation", :count => 1 do
+ assert_dom "> @id", :text => relation.id.to_s
+ end
+ end
+
+ def test_full_with_node_member
+ relation = create(:relation)
+ node = create(:node)
+ create(:relation_member, :relation => relation, :member => node)
+
+ get api_relation_path(relation, :full => true)
+
+ assert_response :success
+ assert_dom "node", :count => 1 do
+ assert_dom "> @id", :text => node.id.to_s
+ end
+ assert_dom "relation", :count => 1 do
+ assert_dom "> @id", :text => relation.id.to_s
+ end
+ end
+
+ def test_full_with_way_member
+ relation = create(:relation)
+ way = create(:way_with_nodes)
+ create(:relation_member, :relation => relation, :member => way)
+
+ get api_relation_path(relation, :full => true)
+
+ assert_response :success
+ assert_dom "node", :count => 1 do
+ assert_dom "> @id", :text => way.nodes[0].id.to_s
+ end
+ assert_dom "way", :count => 1 do
+ assert_dom "> @id", :text => way.id.to_s
+ end
+ assert_dom "relation", :count => 1 do
+ assert_dom "> @id", :text => relation.id.to_s
+ end
+ end
+
+ def test_full_with_node_member_json
+ relation = create(:relation)
+ node = create(:node)
+ create(:relation_member, :relation => relation, :member => node)
+
+ get api_relation_path(relation, :full => true, :format => "json")
+
+ assert_response :success
+ js = ActiveSupport::JSON.decode(@response.body)
+ assert_not_nil js
+ assert_equal 2, js["elements"].count
+
+ js_relations = js["elements"].filter { |e| e["type"] == "relation" }
+ assert_equal 1, js_relations.count
+ assert_equal relation.id, js_relations[0]["id"]
+ assert_equal 1, js_relations[0]["members"].count
+ assert_equal "node", js_relations[0]["members"][0]["type"]
+ assert_equal node.id, js_relations[0]["members"][0]["ref"]
+
+ js_nodes = js["elements"].filter { |e| e["type"] == "node" }
+ assert_equal 1, js_nodes.count
+ assert_equal node.id, js_nodes[0]["id"]
+ end
+
+ def test_relations_for_relation
+ relation = create(:relation)
+ # should include relations with that relation as a member
+ relation_with_relation = create(:relation_member, :member => relation).relation
+ # should ignore any relation without that relation as a member
+ _relation_without_relation = create(:relation_member).relation
+ # should ignore relations with the relation involved indirectly, via a relation
+ second_relation = create(:relation_member, :member => relation).relation
+ _super_relation = create(:relation_member, :member => second_relation).relation
+ # should combine multiple relation_member references into just one relation entry
+ create(:relation_member, :member => relation, :relation => relation_with_relation)
+ # should not include deleted relations
+ deleted_relation = create(:relation, :deleted)
+ create(:relation_member, :member => relation, :relation => deleted_relation)
+ check_relations_for_element(relation_relations_path(relation), "relation",
+ relation.id,
+ [relation_with_relation, second_relation])
+ end
+