diff options
Diffstat (limited to 'activesupport')
| -rw-r--r-- | activesupport/lib/active_support/testing/time_helpers.rb | 57 |
1 files changed, 53 insertions, 4 deletions
diff --git a/activesupport/lib/active_support/testing/time_helpers.rb b/activesupport/lib/active_support/testing/time_helpers.rb index 94230e56ba..0ee6332d6f 100644 --- a/activesupport/lib/active_support/testing/time_helpers.rb +++ b/activesupport/lib/active_support/testing/time_helpers.rb @@ -1,7 +1,51 @@ module ActiveSupport module Testing + class SimpleStubs # :nodoc: + Stub = Struct.new(:object, :method_name, :original_method) + + def initialize + @stubs = {} + end + + def stub_object(object, method_name, return_value) + key = [object.object_id, method_name] + + if (stub = @stubs[key]) + unstub_object(stub) + end + + new_name = "__simple_stub__#{method_name}" + + @stubs[key] = Stub.new(object, method_name, new_name) + + object.singleton_class.send :alias_method, new_name, method_name + object.define_singleton_method(method_name) { return_value } + end + + def unstub_all! + @stubs.each_value do |stub| + unstub_object(stub) + end + @stubs = {} + end + + private + + def unstub_object(stub) + singleton_class = stub.object.singleton_class + singleton_class.send :undef_method, stub.method_name + singleton_class.send :alias_method, stub.method_name, stub.original_method + singleton_class.send :undef_method, stub.original_method + end + end + # Containing helpers that helps you test passage of time. module TimeHelpers + def after_teardown #:nodoc: + simple_stubs.unstub_all! + super + end + # Change current time to the time in the future or in the past by a given time difference by # stubbing +Time.now+ and +Date.today+. Note that the stubs are automatically removed # at the end of each test. @@ -41,15 +85,20 @@ module ActiveSupport # end # Time.current # => Sat, 09 Nov 2013 15:34:49 EST -05:00 def travel_to(date_or_time, &block) - Time.stubs now: date_or_time.to_time - Date.stubs today: date_or_time.to_date + simple_stubs.stub_object(Time, :now, date_or_time.to_time) + simple_stubs.stub_object(Date, :today, date_or_time.to_date) if block_given? block.call - Time.unstub :now - Date.unstub :today + simple_stubs.unstub_all! end end + + private + + def simple_stubs + @simple_stubs ||= SimpleStubs.new + end end end end |