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-rw-r--r--activesupport/CHANGELOG.md5
-rw-r--r--activesupport/lib/active_support.rb8
-rw-r--r--activesupport/lib/active_support/cache/file_store.rb1
-rw-r--r--activesupport/lib/active_support/callbacks.rb34
-rw-r--r--activesupport/lib/active_support/railtie.rb7
-rw-r--r--activesupport/test/caching_test.rb6
-rw-r--r--activesupport/test/callbacks_test.rb32
7 files changed, 62 insertions, 31 deletions
diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md
index 7eaad6340f..3ad2392365 100644
--- a/activesupport/CHANGELOG.md
+++ b/activesupport/CHANGELOG.md
@@ -1,3 +1,8 @@
+* `ActiveSupport::Callbacks#skip_callback` now raises an `ArgumentError` if
+ an unrecognized callback is removed.
+
+ *Iain Beeston*
+
* Added `ActiveSupport::ArrayInquirer` and `Array#inquiry`.
Wrapping an array in an `ArrayInquirer` gives a friendlier way to check its
diff --git a/activesupport/lib/active_support.rb b/activesupport/lib/active_support.rb
index 9af3f8b447..588d6c49f9 100644
--- a/activesupport/lib/active_support.rb
+++ b/activesupport/lib/active_support.rb
@@ -73,6 +73,14 @@ module ActiveSupport
end
cattr_accessor :test_order # :nodoc:
+
+ def self.halt_callback_chains_on_return_false
+ Callbacks::CallbackChain.halt_and_display_warning_on_return_false
+ end
+
+ def self.halt_callback_chains_on_return_false=(value)
+ Callbacks::CallbackChain.halt_and_display_warning_on_return_false = value
+ end
end
autoload :I18n, "active_support/i18n"
diff --git a/activesupport/lib/active_support/cache/file_store.rb b/activesupport/lib/active_support/cache/file_store.rb
index d08ecd2f7d..e6a8b84214 100644
--- a/activesupport/lib/active_support/cache/file_store.rb
+++ b/activesupport/lib/active_support/cache/file_store.rb
@@ -29,6 +29,7 @@ module ActiveSupport
def clear(options = nil)
root_dirs = Dir.entries(cache_path).reject {|f| (EXCLUDED_DIRS + [".gitkeep"]).include?(f)}
FileUtils.rm_r(root_dirs.collect{|f| File.join(cache_path, f)})
+ rescue Errno::ENOENT
end
# Preemptively iterates through all stored keys and removes the ones which have expired.
diff --git a/activesupport/lib/active_support/callbacks.rb b/activesupport/lib/active_support/callbacks.rb
index 9cf09ab266..814fd288cf 100644
--- a/activesupport/lib/active_support/callbacks.rb
+++ b/activesupport/lib/active_support/callbacks.rb
@@ -80,14 +80,10 @@ module ActiveSupport
# save
# end
def run_callbacks(kind, &block)
- send "_run_#{kind}_callbacks", &block
- end
-
- private
+ callbacks = send("_#{kind}_callbacks")
- def _run_callbacks(callbacks, &block)
if callbacks.empty?
- block.call if block
+ yield if block_given?
else
runner = callbacks.compile
e = Filters::Environment.new(self, false, nil, block)
@@ -95,6 +91,8 @@ module ActiveSupport
end
end
+ private
+
# A hook invoked every time a before callback is halted.
# This can be overridden in AS::Callback implementors in order
# to provide better debugging/logging.
@@ -691,19 +689,27 @@ module ActiveSupport
# class Writer < Person
# skip_callback :validate, :before, :check_membership, if: -> { self.age > 18 }
# end
+ #
+ # An <tt>ArgumentError</tt> will be raised if the callback has not
+ # already been set (unless the <tt>:raise</tt> option is set to <tt>false</tt>).
def skip_callback(name, *filter_list, &block)
type, filters, options = normalize_callback_params(filter_list, block)
+ options[:raise] = true unless options.key?(:raise)
__update_callbacks(name) do |target, chain|
filters.each do |filter|
- filter = chain.find {|c| c.matches?(type, filter) }
+ callback = chain.find {|c| c.matches?(type, filter) }
+
+ if !callback && options[:raise]
+ raise ArgumentError, "#{type.to_s.capitalize} #{name} callback #{filter.inspect} has not been defined"
+ end
- if filter && options.any?
- new_filter = filter.merge_conditional_options(chain, if_option: options[:if], unless_option: options[:unless])
- chain.insert(chain.index(filter), new_filter)
+ if callback && (options.key?(:if) || options.key?(:unless))
+ new_callback = callback.merge_conditional_options(chain, if_option: options[:if], unless_option: options[:unless])
+ chain.insert(chain.index(callback), new_callback)
end
- chain.delete(filter)
+ chain.delete(callback)
end
target.set_callbacks name, chain
end
@@ -800,12 +806,6 @@ module ActiveSupport
names.each do |name|
class_attribute "_#{name}_callbacks"
set_callbacks name, CallbackChain.new(name, options)
-
- module_eval <<-RUBY, __FILE__, __LINE__ + 1
- def _run_#{name}_callbacks(&block)
- _run_callbacks(_#{name}_callbacks, &block)
- end
- RUBY
end
end
diff --git a/activesupport/lib/active_support/railtie.rb b/activesupport/lib/active_support/railtie.rb
index ef22433491..cd0fb51009 100644
--- a/activesupport/lib/active_support/railtie.rb
+++ b/activesupport/lib/active_support/railtie.rb
@@ -13,13 +13,6 @@ module ActiveSupport
end
end
- initializer "active_support.halt_callback_chains_on_return_false", after: :load_config_initializers do |app|
- if app.config.active_support.key? :halt_callback_chains_on_return_false
- ActiveSupport::Callbacks::CallbackChain.halt_and_display_warning_on_return_false = \
- app.config.active_support.halt_callback_chains_on_return_false
- end
- end
-
# Sets the default value for Time.zone
# If assigned value cannot be matched to a TimeZone, an exception will be raised.
initializer "active_support.initialize_time_zone" do |app|
diff --git a/activesupport/test/caching_test.rb b/activesupport/test/caching_test.rb
index 4953550c45..527538ed9a 100644
--- a/activesupport/test/caching_test.rb
+++ b/activesupport/test/caching_test.rb
@@ -684,6 +684,7 @@ class FileStoreTest < ActiveSupport::TestCase
def teardown
FileUtils.rm_r(cache_dir)
+ rescue Errno::ENOENT
end
def cache_dir
@@ -703,6 +704,11 @@ class FileStoreTest < ActiveSupport::TestCase
assert File.exist?(filepath)
end
+ def test_clear_without_cache_dir
+ FileUtils.rm_r(cache_dir)
+ @cache.clear
+ end
+
def test_long_keys
@cache.write("a"*10000, 1)
assert_equal 1, @cache.read("a"*10000)
diff --git a/activesupport/test/callbacks_test.rb b/activesupport/test/callbacks_test.rb
index f6abef8cee..cda9732cae 100644
--- a/activesupport/test/callbacks_test.rb
+++ b/activesupport/test/callbacks_test.rb
@@ -73,8 +73,8 @@ module CallbacksTest
class PersonSkipper < Person
skip_callback :save, :before, :before_save_method, :if => :yes
- skip_callback :save, :after, :before_save_method, :unless => :yes
- skip_callback :save, :after, :before_save_method, :if => :no
+ skip_callback :save, :after, :after_save_method, :unless => :yes
+ skip_callback :save, :after, :after_save_method, :if => :no
skip_callback :save, :before, :before_save_method, :unless => :no
skip_callback :save, :before, CallbackClass , :if => :yes
def yes; true; end
@@ -1021,7 +1021,7 @@ module CallbacksTest
define_callbacks :foo
n.times { set_callback :foo, :before, callback }
def run; run_callbacks :foo; end
- def self.skip(thing); skip_callback :foo, :before, thing; end
+ def self.skip(*things); skip_callback :foo, :before, *things; end
}
end
@@ -1070,11 +1070,11 @@ module CallbacksTest
}
end
- def test_skip_lambda # removes nothing
+ def test_skip_lambda # raises error
calls = []
callback = ->(o) { calls << o }
klass = build_class(callback)
- 10.times { klass.skip callback }
+ assert_raises(ArgumentError) { klass.skip callback }
klass.new.run
assert_equal 10, calls.length
end
@@ -1088,11 +1088,29 @@ module CallbacksTest
assert_equal 0, calls.length
end
- def test_skip_eval # removes nothing
+ def test_skip_string # raises error
calls = []
klass = build_class("bar")
klass.class_eval { define_method(:bar) { calls << klass } }
- klass.skip "bar"
+ assert_raises(ArgumentError) { klass.skip "bar" }
+ klass.new.run
+ assert_equal 1, calls.length
+ end
+
+ def test_skip_undefined_callback # raises error
+ calls = []
+ klass = build_class(:bar)
+ klass.class_eval { define_method(:bar) { calls << klass } }
+ assert_raises(ArgumentError) { klass.skip :qux }
+ klass.new.run
+ assert_equal 1, calls.length
+ end
+
+ def test_skip_without_raise # removes nothing
+ calls = []
+ klass = build_class(:bar)
+ klass.class_eval { define_method(:bar) { calls << klass } }
+ klass.skip :qux, raise: false
klass.new.run
assert_equal 1, calls.length
end