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-rw-r--r--activesupport/test/callbacks_test.rb316
1 files changed, 277 insertions, 39 deletions
diff --git a/activesupport/test/callbacks_test.rb b/activesupport/test/callbacks_test.rb
index 13f2e3cdaf..32c2dfdfc0 100644
--- a/activesupport/test/callbacks_test.rb
+++ b/activesupport/test/callbacks_test.rb
@@ -1,27 +1,6 @@
require 'abstract_unit'
module CallbacksTest
- class Phone
- include ActiveSupport::Callbacks
- define_callbacks :save
-
- set_callback :save, :before, :before_save1
- set_callback :save, :after, :after_save1
-
- def before_save1; self.history << :before; end
- def after_save1; self.history << :after; end
-
- def save
- run_callbacks :save do
- raise 'boom'
- end
- end
-
- def history
- @history ||= []
- end
- end
-
class Record
include ActiveSupport::Callbacks
@@ -66,6 +45,16 @@ module CallbacksTest
end
end
+ class CallbackClass
+ def self.before(model)
+ model.history << [:before_save, :class]
+ end
+
+ def self.after(model)
+ model.history << [:after_save, :class]
+ end
+ end
+
class Person < Record
[:before_save, :after_save].each do |callback_method|
callback_method_sym = callback_method.to_sym
@@ -73,6 +62,7 @@ module CallbacksTest
send(callback_method, callback_string(callback_method_sym))
send(callback_method, callback_proc(callback_method_sym))
send(callback_method, callback_object(callback_method_sym.to_s.gsub(/_save/, '')))
+ send(callback_method, CallbackClass)
send(callback_method) { |model| model.history << [callback_method_sym, :block] }
end
@@ -86,10 +76,14 @@ module CallbacksTest
skip_callback :save, :after, :before_save_method, :unless => :yes
skip_callback :save, :after, :before_save_method, :if => :no
skip_callback :save, :before, :before_save_method, :unless => :no
+ skip_callback :save, :before, CallbackClass , :if => :yes
def yes; true; end
def no; false; end
end
+ class PersonForProgrammaticSkipping < Person
+ end
+
class ParentController
include ActiveSupport::Callbacks
@@ -430,6 +424,26 @@ module CallbacksTest
[:before_save, :object],
[:before_save, :block],
[:after_save, :block],
+ [:after_save, :class],
+ [:after_save, :object],
+ [:after_save, :proc],
+ [:after_save, :string],
+ [:after_save, :symbol]
+ ], person.history
+ end
+
+ def test_skip_person_programmatically
+ PersonForProgrammaticSkipping._save_callbacks.each do |save_callback|
+ if "before" == save_callback.kind.to_s
+ PersonForProgrammaticSkipping.skip_callback("save", save_callback.kind, save_callback.filter)
+ end
+ end
+ person = PersonForProgrammaticSkipping.new
+ assert_equal [], person.history
+ person.save
+ assert_equal [
+ [:after_save, :block],
+ [:after_save, :class],
[:after_save, :object],
[:after_save, :proc],
[:after_save, :string],
@@ -449,8 +463,10 @@ module CallbacksTest
[:before_save, :string],
[:before_save, :proc],
[:before_save, :object],
+ [:before_save, :class],
[:before_save, :block],
[:after_save, :block],
+ [:after_save, :class],
[:after_save, :object],
[:after_save, :proc],
[:after_save, :string],
@@ -488,7 +504,7 @@ module CallbacksTest
class CallbackTerminator
include ActiveSupport::Callbacks
- define_callbacks :save, :terminator => "result == :halt"
+ define_callbacks :save, :terminator => ->(_,result) { result == :halt }
set_callback :save, :before, :first
set_callback :save, :before, :second
@@ -681,7 +697,7 @@ module CallbacksTest
def test_termination_invokes_hook
terminator = CallbackTerminator.new
terminator.save
- assert_equal ":second", terminator.halted
+ assert_equal :second, terminator.halted
end
def test_block_never_called_if_terminated
@@ -715,8 +731,10 @@ module CallbacksTest
[:before_save, :string],
[:before_save, :proc],
[:before_save, :object],
+ [:before_save, :class],
[:before_save, :block],
[:after_save, :block],
+ [:after_save, :class],
[:after_save, :object],
[:after_save, :proc],
[:after_save, :string],
@@ -733,22 +751,6 @@ module CallbacksTest
end
end
- class PerKeyOptionDeprecationTest < ActiveSupport::TestCase
-
- def test_per_key_option_deprecaton
- assert_raise NotImplementedError do
- Phone.class_eval do
- set_callback :save, :before, :before_save1, :per_key => {:if => "true"}
- end
- end
- assert_raise NotImplementedError do
- Phone.class_eval do
- skip_callback :save, :before, :before_save1, :per_key => {:if => "true"}
- end
- end
- end
- end
-
class ExcludingDuplicatesCallbackTest < ActiveSupport::TestCase
def test_excludes_duplicates_in_separate_calls
model = DuplicatingCallbacks.new
@@ -762,4 +764,240 @@ module CallbacksTest
assert_equal ["two", "one", "three", "yielded"], model.record
end
end
+
+ class CallbackProcTest < ActiveSupport::TestCase
+ def build_class(callback)
+ Class.new {
+ include ActiveSupport::Callbacks
+ define_callbacks :foo
+ set_callback :foo, :before, callback
+ def run; run_callbacks :foo; end
+ }
+ end
+
+ def test_proc_arity_0
+ calls = []
+ klass = build_class(->() { calls << :foo })
+ klass.new.run
+ assert_equal [:foo], calls
+ end
+
+ def test_proc_arity_1
+ calls = []
+ klass = build_class(->(o) { calls << o })
+ instance = klass.new
+ instance.run
+ assert_equal [instance], calls
+ end
+
+ def test_proc_arity_2
+ assert_raises(ArgumentError) do
+ klass = build_class(->(x,y) { })
+ klass.new.run
+ end
+ end
+
+ def test_proc_negative_called_with_empty_list
+ calls = []
+ klass = build_class(->(*args) { calls << args })
+ klass.new.run
+ assert_equal [[]], calls
+ end
+ end
+
+ class ConditionalTests < ActiveSupport::TestCase
+ def build_class(callback)
+ Class.new {
+ include ActiveSupport::Callbacks
+ define_callbacks :foo
+ set_callback :foo, :before, :foo, :if => callback
+ def foo; end
+ def run; run_callbacks :foo; end
+ }
+ end
+
+ # FIXME: do we really want to support classes as conditionals? There were
+ # no tests for it previous to this.
+ def test_class_conditional_with_scope
+ z = []
+ callback = Class.new {
+ define_singleton_method(:foo) { |o| z << o }
+ }
+ klass = Class.new {
+ include ActiveSupport::Callbacks
+ define_callbacks :foo, :scope => [:name]
+ set_callback :foo, :before, :foo, :if => callback
+ def run; run_callbacks :foo; end
+ private
+ def foo; end
+ }
+ object = klass.new
+ object.run
+ assert_equal [object], z
+ end
+
+ # FIXME: do we really want to support classes as conditionals? There were
+ # no tests for it previous to this.
+ def test_class
+ z = []
+ klass = build_class Class.new {
+ define_singleton_method(:before) { |o| z << o }
+ }
+ object = klass.new
+ object.run
+ assert_equal [object], z
+ end
+
+ def test_proc_negative_arity # passes an empty list if *args
+ z = []
+ object = build_class(->(*args) { z << args }).new
+ object.run
+ assert_equal [], z.flatten
+ end
+
+ def test_proc_arity0
+ z = []
+ object = build_class(->() { z << 0 }).new
+ object.run
+ assert_equal [0], z
+ end
+
+ def test_proc_arity1
+ z = []
+ object = build_class(->(x) { z << x }).new
+ object.run
+ assert_equal [object], z
+ end
+
+ def test_proc_arity2
+ assert_raises(ArgumentError) do
+ object = build_class(->(a,b) { }).new
+ object.run
+ end
+ end
+ end
+
+ class ResetCallbackTest < ActiveSupport::TestCase
+ def build_class(memo)
+ klass = Class.new {
+ include ActiveSupport::Callbacks
+ define_callbacks :foo
+ set_callback :foo, :before, :hello
+ def run; run_callbacks :foo; end
+ }
+ klass.class_eval {
+ define_method(:hello) { memo << :hi }
+ }
+ klass
+ end
+
+ def test_reset_callbacks
+ events = []
+ klass = build_class events
+ klass.new.run
+ assert_equal 1, events.length
+
+ klass.reset_callbacks :foo
+ klass.new.run
+ assert_equal 1, events.length
+ end
+
+ def test_reset_impacts_subclasses
+ events = []
+ klass = build_class events
+ subclass = Class.new(klass) { set_callback :foo, :before, :world }
+ subclass.class_eval { define_method(:world) { events << :world } }
+
+ subclass.new.run
+ assert_equal 2, events.length
+
+ klass.reset_callbacks :foo
+ subclass.new.run
+ assert_equal 3, events.length
+ end
+ end
+
+ class CallbackTypeTest < ActiveSupport::TestCase
+ def build_class(callback, n = 10)
+ Class.new {
+ include ActiveSupport::Callbacks
+ 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
+ }
+ end
+
+ def test_add_class
+ calls = []
+ callback = Class.new {
+ define_singleton_method(:before) { |o| calls << o }
+ }
+ build_class(callback).new.run
+ assert_equal 10, calls.length
+ end
+
+ def test_add_lambda
+ calls = []
+ build_class(->(o) { calls << o }).new.run
+ assert_equal 10, calls.length
+ end
+
+ def test_add_symbol
+ calls = []
+ klass = build_class(:bar)
+ klass.class_eval { define_method(:bar) { calls << klass } }
+ klass.new.run
+ assert_equal 1, calls.length
+ end
+
+ def test_add_eval
+ calls = []
+ klass = build_class("bar")
+ klass.class_eval { define_method(:bar) { calls << klass } }
+ klass.new.run
+ assert_equal 1, calls.length
+ end
+
+ def test_skip_class # removes one at a time
+ calls = []
+ callback = Class.new {
+ define_singleton_method(:before) { |o| calls << o }
+ }
+ klass = build_class(callback)
+ 9.downto(0) { |i|
+ klass.skip callback
+ klass.new.run
+ assert_equal i, calls.length
+ calls.clear
+ }
+ end
+
+ def test_skip_lambda # removes nothing
+ calls = []
+ callback = ->(o) { calls << o }
+ klass = build_class(callback)
+ 10.times { klass.skip callback }
+ klass.new.run
+ assert_equal 10, calls.length
+ end
+
+ def test_skip_symbol # removes all
+ calls = []
+ klass = build_class(:bar)
+ klass.class_eval { define_method(:bar) { calls << klass } }
+ klass.skip :bar
+ klass.new.run
+ assert_equal 0, calls.length
+ end
+
+ def test_skip_eval # removes nothing
+ calls = []
+ klass = build_class("bar")
+ klass.class_eval { define_method(:bar) { calls << klass } }
+ klass.skip "bar"
+ klass.new.run
+ assert_equal 1, calls.length
+ end
+ end
end