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-rw-r--r--actionpack/lib/action_dispatch/testing/assertions/routing.rb42
1 files changed, 40 insertions, 2 deletions
diff --git a/actionpack/lib/action_dispatch/testing/assertions/routing.rb b/actionpack/lib/action_dispatch/testing/assertions/routing.rb
index 4bc5275e04..fc477afb17 100644
--- a/actionpack/lib/action_dispatch/testing/assertions/routing.rb
+++ b/actionpack/lib/action_dispatch/testing/assertions/routing.rb
@@ -46,7 +46,6 @@ module ActionDispatch
request_method = nil
end
- ActionController::Routing::Routes.reload if ActionController::Routing::Routes.empty?
request = recognized_request_for(path, request_method)
expected_options = expected_options.clone
@@ -80,7 +79,6 @@ module ActionDispatch
def assert_generates(expected_path, options, defaults={}, extras = {}, message=nil)
expected_path = "/#{expected_path}" unless expected_path[0] == ?/
# Load routes.rb if it hasn't been loaded.
- ActionController::Routing::Routes.reload if ActionController::Routing::Routes.empty?
generated_path, extra_keys = ActionController::Routing::Routes.generate_extras(options, defaults)
found_extras = options.reject {|k, v| ! extra_keys.include? k}
@@ -126,6 +124,46 @@ module ActionDispatch
assert_generates(path.is_a?(Hash) ? path[:path] : path, options, defaults, extras, message)
end
+ # A helper to make it easier to test different route configurations.
+ # This method temporarily replaces ActionController::Routing::Routes
+ # with a new RouteSet instance.
+ #
+ # The new instance is yielded to the passed block. Typically the block
+ # will create some routes using <tt>map.draw { map.connect ... }</tt>:
+ #
+ # with_routing do |set|
+ # set.draw do |map|
+ # map.connect ':controller/:action/:id'
+ # assert_equal(
+ # ['/content/10/show', {}],
+ # map.generate(:controller => 'content', :id => 10, :action => 'show')
+ # end
+ # end
+ # end
+ #
+ def with_routing
+ real_routes = ActionController::Routing::Routes
+ ActionController::Routing.module_eval { remove_const :Routes }
+
+ temporary_routes = ActionController::Routing::RouteSet.new
+ ActionController::Routing.module_eval { const_set :Routes, temporary_routes }
+
+ yield temporary_routes
+ ensure
+ if ActionController::Routing.const_defined? :Routes
+ ActionController::Routing.module_eval { remove_const :Routes }
+ end
+ ActionController::Routing.const_set(:Routes, real_routes) if real_routes
+ end
+
+ def method_missing(selector, *args, &block)
+ if @controller && ActionController::Routing::Routes.named_routes.helpers.include?(selector)
+ @controller.send(selector, *args, &block)
+ else
+ super
+ end
+ end
+
private
# Recognizes the route for a given path.
def recognized_request_for(path, request_method = nil)