+
+ # Check that the preconditions fail when you are over the defined limit of
+ # the maximum number of members in a relation.
+ def test_max_members_per_relation_limit
+ # Speed up unit test by using a small relation member limit
+ with_settings(:max_number_of_relation_members => 20) do
+ user = create(:user)
+ changeset = create(:changeset, :user => user)
+ relation = create(:relation, :changeset => changeset)
+ node = create(:node, :longitude => 116, :latitude => 39)
+ # Create relation which exceeds the relation member limit by one
+ 0.upto(Settings.max_number_of_relation_members) do |i|
+ create(:relation_member, :relation => relation, :member_type => "Node", :member_id => node.id, :sequence_id => i)
+ end
+
+ assert_raise OSM::APITooManyRelationMembersError do
+ relation.create_with_history user
+ end
+ end
+ end