diff options
| -rw-r--r-- | activesupport/lib/active_support/deprecation/proxy_wrappers.rb | 27 | ||||
| -rw-r--r-- | activesupport/test/deprecation_test.rb | 17 |
2 files changed, 41 insertions, 3 deletions
diff --git a/activesupport/lib/active_support/deprecation/proxy_wrappers.rb b/activesupport/lib/active_support/deprecation/proxy_wrappers.rb index 56f1e23136..24c75b5661 100644 --- a/activesupport/lib/active_support/deprecation/proxy_wrappers.rb +++ b/activesupport/lib/active_support/deprecation/proxy_wrappers.rb @@ -120,7 +120,14 @@ module ActiveSupport # # => DEPRECATION WARNING: PLANETS is deprecated! Use PLANETS_POST_2006 instead. # (Backtrace information…) # ["Mercury", "Venus", "Earth", "Mars", "Jupiter", "Saturn", "Uranus", "Neptune"] - class DeprecatedConstantProxy < DeprecationProxy + class DeprecatedConstantProxy < Module + def self.new(*args, &block) + object = args.first + + return object unless object + super + end + def initialize(old_const, new_const, deprecator = ActiveSupport::Deprecation.instance, message: "#{old_const} is deprecated! Use #{new_const} instead.") require "active_support/inflector/methods" @@ -130,6 +137,14 @@ module ActiveSupport @message = message end + instance_methods.each { |m| undef_method m unless /^__|^object_id$/.match?(m) } + + # Don't give a deprecation warning on inspect since test/unit and error + # logs rely on it for diagnostics. + def inspect + target.inspect + end + # Returns the class of the new constant. # # PLANETS_POST_2006 = %w(mercury venus earth mars jupiter saturn uranus neptune) @@ -144,8 +159,14 @@ module ActiveSupport ActiveSupport::Inflector.constantize(@new_const.to_s) end - def warn(callstack, called, args) - @deprecator.warn(@message, callstack) + def const_missing(name) + @deprecator.warn(@message, caller_locations) + target.const_get(name) + end + + def method_missing(called, *args, &block) + @deprecator.warn(@message, caller_locations) + target.__send__(called, *args, &block) end end end diff --git a/activesupport/test/deprecation_test.rb b/activesupport/test/deprecation_test.rb index f25c704586..ae2f4a6e58 100644 --- a/activesupport/test/deprecation_test.rb +++ b/activesupport/test/deprecation_test.rb @@ -38,6 +38,11 @@ class Deprecatee C = 1 end A = ActiveSupport::Deprecation::DeprecatedConstantProxy.new("Deprecatee::A", "Deprecatee::B::C") + + module New + class Descendant; end + end + Old = ActiveSupport::Deprecation::DeprecatedConstantProxy.new("Deprecatee::Old", "Deprecatee::New") end class DeprecateeWithAccessor @@ -210,6 +215,18 @@ class DeprecationTest < ActiveSupport::TestCase assert_not_deprecated { assert_equal Deprecatee::B::C.class, Deprecatee::A.class } end + def test_deprecated_constant_descendant + assert_not_deprecated { Deprecatee::New::Descendant } + + assert_deprecated("Deprecatee::Old") do + assert_equal Deprecatee::Old::Descendant, Deprecatee::New::Descendant + end + + assert_raises(NameError) do + assert_deprecated("Deprecatee::Old") { Deprecatee::Old::NON_EXISTENCE } + end + end + def test_deprecated_constant_accessor assert_not_deprecated { DeprecateeWithAccessor::B::C } assert_deprecated("DeprecateeWithAccessor::A") { assert_equal DeprecateeWithAccessor::B::C, DeprecateeWithAccessor::A } |