--- /dev/null
+require File.dirname(__FILE__) + '/../test_helper'
+require 'old_node_controller'
+
+# Re-raise errors caught by the controller.
+class OldNodeController; def rescue_action(e) raise e end; end
+
+class OldNodeControllerTest < Test::Unit::TestCase
+ api_fixtures
+
+ def setup
+ @controller = OldNodeController.new
+ @request = ActionController::TestRequest.new
+ @response = ActionController::TestResponse.new
+ end
+
+ #
+ # TODO: test history
+ #
+
+ ##
+ # test the version call by submitting several revisions of a new node
+ # to the API and ensuring that later calls to version return the
+ # matching versions of the object.
+ def test_version
+ basic_authorization(users(:normal_user).email, "test")
+ changeset_id = changesets(:normal_user_first_change).id
+
+ # setup a simple XML node
+ xml_doc = current_nodes(:visible_node).to_xml
+ xml_node = xml_doc.find("//osm/node").first
+ nodeid = current_nodes(:visible_node).id
+
+ # keep a hash of the versions => string, as we'll need something
+ # to test against later
+ versions = Hash.new
+
+ # save a version for later checking
+ versions[xml_node['version']] = xml_doc.to_s
+
+ # randomly move the node about
+ 20.times do
+ # move the node somewhere else
+ xml_node['lat'] = precision(rand * 180 - 90).to_s
+ xml_node['lon'] = precision(rand * 360 - 180).to_s
+ with_controller(NodeController.new) do
+ content xml_doc
+ put :update, :id => nodeid
+ assert_response :success
+ xml_node['version'] = @response.body.to_s
+ end
+ # save a version for later checking
+ versions[xml_node['version']] = xml_doc.to_s
+ end
+
+ # add a bunch of random tags
+ 30.times do
+ xml_tag = XML::Node.new("tag")
+ xml_tag['k'] = random_string
+ xml_tag['v'] = random_string
+ xml_node << xml_tag
+ with_controller(NodeController.new) do
+ content xml_doc
+ put :update, :id => nodeid
+ assert_response :success,
+ "couldn't update node #{nodeid} (#{@response.body})"
+ xml_node['version'] = @response.body.to_s
+ end
+ # save a version for later checking
+ versions[xml_node['version']] = xml_doc.to_s
+ end
+
+ # check all the versions
+ versions.keys.each do |key|
+ get :version, :id => nodeid, :version => key.to_i
+
+ assert_response :success,
+ "couldn't get version #{key.to_i} of node #{nodeid}"
+
+ check_node = Node.from_xml(versions[key])
+ api_node = Node.from_xml(@response.body.to_s)
+
+ assert_nodes_are_equal check_node, api_node
+ end
+ end
+
+ ##
+ # for some reason a==b is false, but there doesn't seem to be any
+ # difference between the nodes, so i'm checking all the attributes
+ # manually and blaming it on ActiveRecord
+ def assert_nodes_are_equal(a, b)
+ assert_equal a.id, b.id, "node IDs"
+ assert_equal a.latitude, b.latitude, "latitude"
+ assert_equal a.longitude, b.longitude, "longitude"
+ assert_equal a.changeset_id, b.changeset_id, "changeset ID"
+ assert_equal a.visible, b.visible, "visible"
+ assert_equal a.version, b.version, "version"
+ assert_equal a.tags, b.tags, "tags"
+ end
+
+ ##
+ # returns a 16 character long string with some nasty characters in it.
+ # this ought to stress-test the tag handling as well as the versioning.
+ def random_string
+ letters = [['!','"','$','&',';','@'],
+ ('a'..'z').to_a,
+ ('A'..'Z').to_a,
+ ('0'..'9').to_a].flatten
+ (1..16).map { |i| letters[ rand(letters.length) ] }.join
+ end
+
+ ##
+ # truncate a floating point number to the scale that it is stored in
+ # the database. otherwise rounding errors can produce failing unit
+ # tests when they shouldn't.
+ def precision(f)
+ return (f * GeoRecord::SCALE).round.to_f / GeoRecord::SCALE
+ end
+
+ def basic_authorization(user, pass)
+ @request.env["HTTP_AUTHORIZATION"] = "Basic %s" % Base64.encode64("#{user}:#{pass}")
+ end
+
+ def content(c)
+ @request.env["RAW_POST_DATA"] = c.to_s
+ end
+
+ ##
+ # takes a block which is executed in the context of a different
+ # ActionController instance. this is used so that code can call methods
+ # on the node controller whilst testing the old_node controller.
+ def with_controller(new_controller)
+ controller_save = @controller
+ begin
+ @controller = new_controller
+ yield
+ ensure
+ @controller = controller_save
+ end
+ end
+
+end