X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/9186a6155c4a9bbfd60eddd50f3eb63db78fd07e..b38343e5bd95230c6bb2159700102dbca247fa03:/test/controllers/api/ways_controller_test.rb
diff --git a/test/controllers/api/ways_controller_test.rb b/test/controllers/api/ways_controller_test.rb
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+++ b/test/controllers/api/ways_controller_test.rb
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+require "test_helper"
+
+module Api
+ class WaysControllerTest < ActionController::TestCase
+ ##
+ # test all routes which lead to this controller
+ def test_routes
+ assert_routing(
+ { :path => "/api/0.6/way/create", :method => :put },
+ { :controller => "api/ways", :action => "create" }
+ )
+ assert_routing(
+ { :path => "/api/0.6/way/1/full", :method => :get },
+ { :controller => "api/ways", :action => "full", :id => "1" }
+ )
+ assert_routing(
+ { :path => "/api/0.6/way/1", :method => :get },
+ { :controller => "api/ways", :action => "show", :id => "1" }
+ )
+ assert_routing(
+ { :path => "/api/0.6/way/1", :method => :put },
+ { :controller => "api/ways", :action => "update", :id => "1" }
+ )
+ assert_routing(
+ { :path => "/api/0.6/way/1", :method => :delete },
+ { :controller => "api/ways", :action => "delete", :id => "1" }
+ )
+ assert_routing(
+ { :path => "/api/0.6/ways", :method => :get },
+ { :controller => "api/ways", :action => "index" }
+ )
+ end
+
+ # -------------------------------------
+ # Test showing ways.
+ # -------------------------------------
+
+ def test_show
+ # check that a visible way is returned properly
+ get :show, :params => { :id => create(:way).id }
+ assert_response :success
+
+ # check that an invisible way is not returned
+ get :show, :params => { :id => create(:way, :deleted).id }
+ assert_response :gone
+
+ # check chat a non-existent way is not returned
+ get :show, :params => { :id => 0 }
+ assert_response :not_found
+ end
+
+ ##
+ # check the "full" mode
+ def test_full
+ Way.all.each do |way|
+ get :full, :params => { :id => way.id }
+
+ # full call should say "gone" for non-visible ways...
+ unless way.visible
+ assert_response :gone
+ next
+ end
+
+ # otherwise it should say success
+ assert_response :success
+
+ # Check the way is correctly returned
+ assert_select "osm way[id='#{way.id}'][version='#{way.version}'][visible='#{way.visible}']", 1
+
+ # check that each node in the way appears once in the output as a
+ # reference and as the node element.
+ way.nodes.each do |n|
+ count = (way.nodes - (way.nodes - [n])).length
+ assert_select "osm way nd[ref='#{n.id}']", count
+ assert_select "osm node[id='#{n.id}'][version='#{n.version}'][lat='#{format('%.7f', n.lat)}'][lon='#{format('%.7f', n.lon)}']", 1
+ end
+ end
+ end
+
+ ##
+ # test fetching multiple ways
+ def test_index
+ way1 = create(:way)
+ way2 = create(:way, :deleted)
+ way3 = create(:way)
+ way4 = create(:way)
+
+ # check error when no parameter provided
+ get :index
+ assert_response :bad_request
+
+ # check error when no parameter value provided
+ get :index, :params => { :ways => "" }
+ assert_response :bad_request
+
+ # test a working call
+ get :index, :params => { :ways => "#{way1.id},#{way2.id},#{way3.id},#{way4.id}" }
+ assert_response :success
+ assert_select "osm" do
+ assert_select "way", :count => 4
+ assert_select "way[id='#{way1.id}'][visible='true']", :count => 1
+ assert_select "way[id='#{way2.id}'][visible='false']", :count => 1
+ assert_select "way[id='#{way3.id}'][visible='true']", :count => 1
+ assert_select "way[id='#{way4.id}'][visible='true']", :count => 1
+ end
+
+ # check error when a non-existent way is included
+ get :index, :params => { :ways => "#{way1.id},#{way2.id},#{way3.id},#{way4.id},0" }
+ assert_response :not_found
+ end
+
+ # -------------------------------------
+ # Test simple way creation.
+ # -------------------------------------
+
+ def test_create
+ node1 = create(:node)
+ node2 = create(:node)
+ private_user = create(:user, :data_public => false)
+ private_changeset = create(:changeset, :user => private_user)
+ user = create(:user)
+ changeset = create(:changeset, :user => user)
+
+ ## First check that it fails when creating a way using a non-public user
+ basic_authorization private_user.email, "test"
+
+ # use the first user's open changeset
+ changeset_id = private_changeset.id
+
+ # create a way with pre-existing nodes
+ xml = "" \
+ "" \
+ ""
+ put :create, :body => xml
+ # hope for failure
+ assert_response :forbidden,
+ "way upload did not return forbidden status"
+
+ ## Now use a public user
+ basic_authorization user.email, "test"
+
+ # use the first user's open changeset
+ changeset_id = changeset.id
+
+ # create a way with pre-existing nodes
+ xml = "" \
+ "" \
+ ""
+ put :create, :body => xml
+ # hope for success
+ assert_response :success,
+ "way upload did not return success status"
+ # read id of created way and search for it
+ wayid = @response.body
+ checkway = Way.find(wayid)
+ assert_not_nil checkway,
+ "uploaded way not found in data base after upload"
+ # compare values
+ assert_equal checkway.nds.length, 2,
+ "saved way does not contain exactly one node"
+ assert_equal checkway.nds[0], node1.id,
+ "saved way does not contain the right node on pos 0"
+ assert_equal checkway.nds[1], node2.id,
+ "saved way does not contain the right node on pos 1"
+ assert_equal checkway.changeset_id, changeset_id,
+ "saved way does not belong to the correct changeset"
+ assert_equal user.id, checkway.changeset.user_id,
+ "saved way does not belong to user that created it"
+ assert_equal true, checkway.visible,
+ "saved way is not visible"
+ end
+
+ # -------------------------------------
+ # Test creating some invalid ways.
+ # -------------------------------------
+
+ def test_create_invalid
+ node = create(:node)
+ private_user = create(:user, :data_public => false)
+ private_open_changeset = create(:changeset, :user => private_user)
+ private_closed_changeset = create(:changeset, :closed, :user => private_user)
+ user = create(:user)
+ open_changeset = create(:changeset, :user => user)
+ closed_changeset = create(:changeset, :closed, :user => user)
+
+ ## First test with a private user to make sure that they are not authorized
+ basic_authorization private_user.email, "test"
+
+ # use the first user's open changeset
+ # create a way with non-existing node
+ xml = "" \
+ ""
+ put :create, :body => xml
+ # expect failure
+ assert_response :forbidden,
+ "way upload with invalid node using a private user did not return 'forbidden'"
+
+ # create a way with no nodes
+ xml = "" \
+ ""
+ put :create, :body => xml
+ # expect failure
+ assert_response :forbidden,
+ "way upload with no node using a private userdid not return 'forbidden'"
+
+ # create a way inside a closed changeset
+ xml = "" \
+ ""
+ put :create, :body => xml
+ # expect failure
+ assert_response :forbidden,
+ "way upload to closed changeset with a private user did not return 'forbidden'"
+
+ ## Now test with a public user
+ basic_authorization user.email, "test"
+
+ # use the first user's open changeset
+ # create a way with non-existing node
+ xml = "" \
+ ""
+ put :create, :body => xml
+ # expect failure
+ assert_response :precondition_failed,
+ "way upload with invalid node did not return 'precondition failed'"
+ assert_equal "Precondition failed: Way requires the nodes with id in (0), which either do not exist, or are not visible.", @response.body
+
+ # create a way with no nodes
+ xml = "" \
+ ""
+ put :create, :body => xml
+ # expect failure
+ assert_response :precondition_failed,
+ "way upload with no node did not return 'precondition failed'"
+ assert_equal "Precondition failed: Cannot create way: data is invalid.", @response.body
+
+ # create a way inside a closed changeset
+ xml = "" \
+ ""
+ put :create, :body => xml
+ # expect failure
+ assert_response :conflict,
+ "way upload to closed changeset did not return 'conflict'"
+
+ # create a way with a tag which is too long
+ xml = "" \
+ "" \
+ "" \
+ ""
+ put :create, :body => xml
+ # expect failure
+ assert_response :bad_request,
+ "way upload to with too long tag did not return 'bad_request'"
+ end
+
+ # -------------------------------------
+ # Test deleting ways.
+ # -------------------------------------
+
+ def test_delete
+ private_user = create(:user, :data_public => false)
+ private_open_changeset = create(:changeset, :user => private_user)
+ private_closed_changeset = create(:changeset, :closed, :user => private_user)
+ private_way = create(:way, :changeset => private_open_changeset)
+ private_deleted_way = create(:way, :deleted, :changeset => private_open_changeset)
+ private_used_way = create(:way, :changeset => private_open_changeset)
+ create(:relation_member, :member => private_used_way)
+ user = create(:user)
+ open_changeset = create(:changeset, :user => user)
+ closed_changeset = create(:changeset, :closed, :user => user)
+ way = create(:way, :changeset => open_changeset)
+ deleted_way = create(:way, :deleted, :changeset => open_changeset)
+ used_way = create(:way, :changeset => open_changeset)
+ relation_member = create(:relation_member, :member => used_way)
+ relation = relation_member.relation
+
+ # first try to delete way without auth
+ delete :delete, :params => { :id => way.id }
+ assert_response :unauthorized
+
+ # now set auth using the private user
+ basic_authorization private_user.email, "test"
+
+ # this shouldn't work as with the 0.6 api we need pay load to delete
+ delete :delete, :params => { :id => private_way.id }
+ assert_response :forbidden
+
+ # Now try without having a changeset
+ xml = ""
+ delete :delete, :params => { :id => private_way.id }, :body => xml.to_s
+ assert_response :forbidden
+
+ # try to delete with an invalid (closed) changeset
+ xml = update_changeset(private_way.to_xml, private_closed_changeset.id)
+ delete :delete, :params => { :id => private_way.id }, :body => xml.to_s
+ assert_response :forbidden
+
+ # try to delete with an invalid (non-existent) changeset
+ xml = update_changeset(private_way.to_xml, 0)
+ delete :delete, :params => { :id => private_way.id }, :body => xml.to_s
+ assert_response :forbidden
+
+ # Now try with a valid changeset
+ xml = private_way.to_xml
+ delete :delete, :params => { :id => private_way.id }, :body => xml.to_s
+ assert_response :forbidden
+
+ # check the returned value - should be the new version number
+ # valid delete should return the new version number, which should
+ # be greater than the old version number
+ # assert @response.body.to_i > current_ways(:visible_way).version,
+ # "delete request should return a new version number for way"
+
+ # this won't work since the way is already deleted
+ xml = private_deleted_way.to_xml
+ delete :delete, :params => { :id => private_deleted_way.id }, :body => xml.to_s
+ assert_response :forbidden
+
+ # this shouldn't work as the way is used in a relation
+ xml = private_used_way.to_xml
+ delete :delete, :params => { :id => private_used_way.id }, :body => xml.to_s
+ assert_response :forbidden,
+ "shouldn't be able to delete a way used in a relation (#{@response.body}), when done by a private user"
+
+ # this won't work since the way never existed
+ delete :delete, :params => { :id => 0 }
+ assert_response :forbidden
+
+ ### Now check with a public user
+ # now set auth
+ basic_authorization user.email, "test"
+
+ # this shouldn't work as with the 0.6 api we need pay load to delete
+ delete :delete, :params => { :id => way.id }
+ assert_response :bad_request
+
+ # Now try without having a changeset
+ xml = ""
+ delete :delete, :params => { :id => way.id }, :body => xml.to_s
+ assert_response :bad_request
+
+ # try to delete with an invalid (closed) changeset
+ xml = update_changeset(way.to_xml, closed_changeset.id)
+ delete :delete, :params => { :id => way.id }, :body => xml.to_s
+ assert_response :conflict
+
+ # try to delete with an invalid (non-existent) changeset
+ xml = update_changeset(way.to_xml, 0)
+ delete :delete, :params => { :id => way.id }, :body => xml.to_s
+ assert_response :conflict
+
+ # Now try with a valid changeset
+ xml = way.to_xml
+ delete :delete, :params => { :id => way.id }, :body => xml.to_s
+ assert_response :success
+
+ # check the returned value - should be the new version number
+ # valid delete should return the new version number, which should
+ # be greater than the old version number
+ assert @response.body.to_i > way.version,
+ "delete request should return a new version number for way"
+
+ # this won't work since the way is already deleted
+ xml = deleted_way.to_xml
+ delete :delete, :params => { :id => deleted_way.id }, :body => xml.to_s
+ assert_response :gone
+
+ # this shouldn't work as the way is used in a relation
+ xml = used_way.to_xml
+ delete :delete, :params => { :id => used_way.id }, :body => xml.to_s
+ assert_response :precondition_failed,
+ "shouldn't be able to delete a way used in a relation (#{@response.body})"
+ assert_equal "Precondition failed: Way #{used_way.id} is still used by relations #{relation.id}.", @response.body
+
+ # this won't work since the way never existed
+ delete :delete, :params => { :id => 0 }
+ assert_response :not_found
+ end
+
+ ##
+ # tests whether the API works and prevents incorrect use while trying
+ # to update ways.
+ def test_update
+ private_user = create(:user, :data_public => false)
+ private_way = create(:way, :changeset => create(:changeset, :user => private_user))
+ user = create(:user)
+ way = create(:way, :changeset => create(:changeset, :user => user))
+ node = create(:node)
+ create(:way_node, :way => private_way, :node => node)
+ create(:way_node, :way => way, :node => node)
+
+ ## First test with no user credentials
+ # try and update a way without authorisation
+ xml = way.to_xml
+ put :update, :params => { :id => way.id }, :body => xml.to_s
+ assert_response :unauthorized
+
+ ## Second test with the private user
+
+ # setup auth
+ basic_authorization private_user.email, "test"
+
+ ## trying to break changesets
+
+ # try and update in someone else's changeset
+ xml = update_changeset(private_way.to_xml,
+ create(:changeset).id)
+ put :update, :params => { :id => private_way.id }, :body => xml.to_s
+ assert_require_public_data "update with other user's changeset should be forbidden when date isn't public"
+
+ # try and update in a closed changeset
+ xml = update_changeset(private_way.to_xml,
+ create(:changeset, :closed, :user => private_user).id)
+ put :update, :params => { :id => private_way.id }, :body => xml.to_s
+ assert_require_public_data "update with closed changeset should be forbidden, when data isn't public"
+
+ # try and update in a non-existant changeset
+ xml = update_changeset(private_way.to_xml, 0)
+ put :update, :params => { :id => private_way.id }, :body => xml.to_s
+ assert_require_public_data("update with changeset=0 should be forbidden, when data isn't public")
+
+ ## try and submit invalid updates
+ xml = xml_replace_node(private_way.to_xml, node.id, 9999)
+ put :update, :params => { :id => private_way.id }, :body => xml.to_s
+ assert_require_public_data "way with non-existent node should be forbidden, when data isn't public"
+
+ xml = xml_replace_node(private_way.to_xml, node.id, create(:node, :deleted).id)
+ put :update, :params => { :id => private_way.id }, :body => xml.to_s
+ assert_require_public_data "way with deleted node should be forbidden, when data isn't public"
+
+ ## finally, produce a good request which will still not work
+ xml = private_way.to_xml
+ put :update, :params => { :id => private_way.id }, :body => xml.to_s
+ assert_require_public_data "should have failed with a forbidden when data isn't public"
+
+ ## Finally test with the public user
+
+ # setup auth
+ basic_authorization user.email, "test"
+
+ ## trying to break changesets
+
+ # try and update in someone else's changeset
+ xml = update_changeset(way.to_xml,
+ create(:changeset).id)
+ put :update, :params => { :id => way.id }, :body => xml.to_s
+ assert_response :conflict, "update with other user's changeset should be rejected"
+
+ # try and update in a closed changeset
+ xml = update_changeset(way.to_xml,
+ create(:changeset, :closed, :user => user).id)
+ put :update, :params => { :id => way.id }, :body => xml.to_s
+ assert_response :conflict, "update with closed changeset should be rejected"
+
+ # try and update in a non-existant changeset
+ xml = update_changeset(way.to_xml, 0)
+ put :update, :params => { :id => way.id }, :body => xml.to_s
+ assert_response :conflict, "update with changeset=0 should be rejected"
+
+ ## try and submit invalid updates
+ xml = xml_replace_node(way.to_xml, node.id, 9999)
+ put :update, :params => { :id => way.id }, :body => xml.to_s
+ assert_response :precondition_failed, "way with non-existent node should be rejected"
+
+ xml = xml_replace_node(way.to_xml, node.id, create(:node, :deleted).id)
+ put :update, :params => { :id => way.id }, :body => xml.to_s
+ assert_response :precondition_failed, "way with deleted node should be rejected"
+
+ ## next, attack the versioning
+ current_way_version = way.version
+
+ # try and submit a version behind
+ xml = xml_attr_rewrite(way.to_xml,
+ "version", current_way_version - 1)
+ put :update, :params => { :id => way.id }, :body => xml.to_s
+ assert_response :conflict, "should have failed on old version number"
+
+ # try and submit a version ahead
+ xml = xml_attr_rewrite(way.to_xml,
+ "version", current_way_version + 1)
+ put :update, :params => { :id => way.id }, :body => xml.to_s
+ assert_response :conflict, "should have failed on skipped version number"
+
+ # try and submit total crap in the version field
+ xml = xml_attr_rewrite(way.to_xml,
+ "version", "p1r4t3s!")
+ put :update, :params => { :id => way.id }, :body => xml.to_s
+ assert_response :conflict,
+ "should not be able to put 'p1r4at3s!' in the version field"
+
+ ## try an update with the wrong ID
+ xml = create(:way).to_xml
+ put :update, :params => { :id => way.id }, :body => xml.to_s
+ assert_response :bad_request,
+ "should not be able to update a way with a different ID from the XML"
+
+ ## try an update with a minimal valid XML doc which isn't a well-formed OSM doc.
+ xml = ""
+ put :update, :params => { :id => way.id }, :body => xml.to_s
+ assert_response :bad_request,
+ "should not be able to update a way with non-OSM XML doc."
+
+ ## finally, produce a good request which should work
+ xml = way.to_xml
+ put :update, :params => { :id => way.id }, :body => xml.to_s
+ assert_response :success, "a valid update request failed"
+ end
+
+ # ------------------------------------------------------------
+ # test tags handling
+ # ------------------------------------------------------------
+
+ ##
+ # Try adding a new tag to a way
+ def test_add_tags
+ private_user = create(:user, :data_public => false)
+ private_way = create(:way_with_nodes, :nodes_count => 2, :changeset => create(:changeset, :user => private_user))
+ user = create(:user)
+ way = create(:way_with_nodes, :nodes_count => 2, :changeset => create(:changeset, :user => user))
+
+ ## Try with the non-public user
+ # setup auth
+ basic_authorization private_user.email, "test"
+
+ # add an identical tag to the way
+ tag_xml = XML::Node.new("tag")
+ tag_xml["k"] = "new"
+ tag_xml["v"] = "yes"
+
+ # add the tag into the existing xml
+ way_xml = private_way.to_xml
+ way_xml.find("//osm/way").first << tag_xml
+
+ # try and upload it
+ put :update, :params => { :id => private_way.id }, :body => way_xml.to_s
+ assert_response :forbidden,
+ "adding a duplicate tag to a way for a non-public should fail with 'forbidden'"
+
+ ## Now try with the public user
+ # setup auth
+ basic_authorization user.email, "test"
+
+ # add an identical tag to the way
+ tag_xml = XML::Node.new("tag")
+ tag_xml["k"] = "new"
+ tag_xml["v"] = "yes"
+
+ # add the tag into the existing xml
+ way_xml = way.to_xml
+ way_xml.find("//osm/way").first << tag_xml
+
+ # try and upload it
+ put :update, :params => { :id => way.id }, :body => way_xml.to_s
+ assert_response :success,
+ "adding a new tag to a way should succeed"
+ assert_equal way.version + 1, @response.body.to_i
+ end
+
+ ##
+ # Try adding a duplicate of an existing tag to a way
+ def test_add_duplicate_tags
+ private_user = create(:user, :data_public => false)
+ private_way = create(:way, :changeset => create(:changeset, :user => private_user))
+ private_existing_tag = create(:way_tag, :way => private_way)
+ user = create(:user)
+ way = create(:way, :changeset => create(:changeset, :user => user))
+ existing_tag = create(:way_tag, :way => way)
+
+ ## Try with the non-public user
+ # setup auth
+ basic_authorization private_user.email, "test"
+
+ # add an identical tag to the way
+ tag_xml = XML::Node.new("tag")
+ tag_xml["k"] = private_existing_tag.k
+ tag_xml["v"] = private_existing_tag.v
+
+ # add the tag into the existing xml
+ way_xml = private_way.to_xml
+ way_xml.find("//osm/way").first << tag_xml
+
+ # try and upload it
+ put :update, :params => { :id => private_way.id }, :body => way_xml.to_s
+ assert_response :forbidden,
+ "adding a duplicate tag to a way for a non-public should fail with 'forbidden'"
+
+ ## Now try with the public user
+ # setup auth
+ basic_authorization user.email, "test"
+
+ # add an identical tag to the way
+ tag_xml = XML::Node.new("tag")
+ tag_xml["k"] = existing_tag.k
+ tag_xml["v"] = existing_tag.v
+
+ # add the tag into the existing xml
+ way_xml = way.to_xml
+ way_xml.find("//osm/way").first << tag_xml
+
+ # try and upload it
+ put :update, :params => { :id => way.id }, :body => way_xml.to_s
+ assert_response :bad_request,
+ "adding a duplicate tag to a way should fail with 'bad request'"
+ assert_equal "Element way/#{way.id} has duplicate tags with key #{existing_tag.k}", @response.body
+ end
+
+ ##
+ # Try adding a new duplicate tags to a way
+ def test_new_duplicate_tags
+ private_user = create(:user, :data_public => false)
+ private_way = create(:way, :changeset => create(:changeset, :user => private_user))
+ user = create(:user)
+ way = create(:way, :changeset => create(:changeset, :user => user))
+
+ ## First test with the non-public user so should be rejected
+ # setup auth
+ basic_authorization private_user.email, "test"
+
+ # create duplicate tag
+ tag_xml = XML::Node.new("tag")
+ tag_xml["k"] = "i_am_a_duplicate"
+ tag_xml["v"] = "foobar"
+
+ # add the tag into the existing xml
+ way_xml = private_way.to_xml
+
+ # add two copies of the tag
+ way_xml.find("//osm/way").first << tag_xml.copy(true) << tag_xml
+
+ # try and upload it
+ put :update, :params => { :id => private_way.id }, :body => way_xml.to_s
+ assert_response :forbidden,
+ "adding new duplicate tags to a way using a non-public user should fail with 'forbidden'"
+
+ ## Now test with the public user
+ # setup auth
+ basic_authorization user.email, "test"
+
+ # create duplicate tag
+ tag_xml = XML::Node.new("tag")
+ tag_xml["k"] = "i_am_a_duplicate"
+ tag_xml["v"] = "foobar"
+
+ # add the tag into the existing xml
+ way_xml = way.to_xml
+
+ # add two copies of the tag
+ way_xml.find("//osm/way").first << tag_xml.copy(true) << tag_xml
+
+ # try and upload it
+ put :update, :params => { :id => way.id }, :body => way_xml.to_s
+ assert_response :bad_request,
+ "adding new duplicate tags to a way should fail with 'bad request'"
+ assert_equal "Element way/#{way.id} has duplicate tags with key i_am_a_duplicate", @response.body
+ end
+
+ ##
+ # Try adding a new duplicate tags to a way.
+ # But be a bit subtle - use unicode decoding ambiguities to use different
+ # binary strings which have the same decoding.
+ def test_invalid_duplicate_tags
+ private_user = create(:user, :data_public => false)
+ private_changeset = create(:changeset, :user => private_user)
+ user = create(:user)
+ changeset = create(:changeset, :user => user)
+
+ ## First make sure that you can't with a non-public user
+ # setup auth
+ basic_authorization private_user.email, "test"
+
+ # add the tag into the existing xml
+ way_str = ""
+ way_str << ""
+ way_str << ""
+ way_str << ""
+
+ # try and upload it
+ put :create, :body => way_str
+ assert_response :forbidden,
+ "adding new duplicate tags to a way with a non-public user should fail with 'forbidden'"
+
+ ## Now do it with a public user
+ # setup auth
+ basic_authorization user.email, "test"
+
+ # add the tag into the existing xml
+ way_str = ""
+ way_str << ""
+ way_str << ""
+ way_str << ""
+
+ # try and upload it
+ put :create, :body => way_str
+ assert_response :bad_request,
+ "adding new duplicate tags to a way should fail with 'bad request'"
+ assert_equal "Element way/ has duplicate tags with key addr:housenumber", @response.body
+ end
+
+ ##
+ # test that a call to ways_for_node returns all ways that contain the node
+ # and none that don't.
+ def test_ways_for_node
+ node = create(:node)
+ way1 = create(:way)
+ way2 = create(:way)
+ create(:way_node, :way => way1, :node => node)
+ create(:way_node, :way => way2, :node => node)
+ # create an unrelated way
+ create(:way_with_nodes, :nodes_count => 2)
+ # create a way which used to use the node
+ way3_v1 = create(:old_way, :version => 1)
+ _way3_v2 = create(:old_way, :current_way => way3_v1.current_way, :version => 2)
+ create(:old_way_node, :old_way => way3_v1, :node => node)
+
+ get :ways_for_node, :params => { :id => node.id }
+ assert_response :success
+ ways_xml = XML::Parser.string(@response.body).parse
+ assert_not_nil ways_xml, "failed to parse ways_for_node response"
+
+ # check that the set of IDs match expectations
+ expected_way_ids = [way1.id,
+ way2.id]
+ found_way_ids = ways_xml.find("//osm/way").collect { |w| w["id"].to_i }
+ assert_equal expected_way_ids.sort, found_way_ids.sort,
+ "expected ways for node #{node.id} did not match found"
+
+ # check the full ways to ensure we're not missing anything
+ expected_way_ids.each do |id|
+ way_xml = ways_xml.find("//osm/way[@id='#{id}']").first
+ assert_ways_are_equal(Way.find(id),
+ Way.from_xml_node(way_xml))
+ end
+ end
+
+ ##
+ # update the changeset_id of a way element
+ def update_changeset(xml, changeset_id)
+ xml_attr_rewrite(xml, "changeset", changeset_id)
+ end
+
+ ##
+ # update an attribute in the way element
+ def xml_attr_rewrite(xml, name, value)
+ xml.find("//osm/way").first[name] = value.to_s
+ xml
+ end
+
+ ##
+ # replace a node in a way element
+ def xml_replace_node(xml, old_node, new_node)
+ xml.find("//osm/way/nd[@ref='#{old_node}']").first["ref"] = new_node.to_s
+ xml
+ end
+ end
+end