2011-06-06 14:17:44 -04:00
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require "cases/helper"
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2005-01-01 11:14:15 -05:00
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class CallbackDeveloper < ActiveRecord::Base
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self.table_name = 'developers'
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2005-06-13 06:52:53 -04:00
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class << self
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def callback_string(callback_method)
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"history << [#{callback_method.to_sym.inspect}, :string]"
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end
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def callback_proc(callback_method)
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Proc.new { |model| model.history << [callback_method, :proc] }
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end
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def define_callback_method(callback_method)
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define_method(callback_method) do
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self.history << [callback_method, :method]
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end
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send(callback_method, :"#{callback_method}")
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end
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2009-09-08 11:22:45 -04:00
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def callback_object(callback_method)
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klass = Class.new
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klass.send(:define_method, callback_method) do |model|
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model.history << [callback_method, :object]
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end
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klass.new
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end
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end
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2010-09-05 20:20:54 -04:00
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ActiveRecord::Callbacks::CALLBACKS.each do |callback_method|
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next if callback_method.to_s =~ /^around_/
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define_callback_method(callback_method)
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send(callback_method, callback_string(callback_method))
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send(callback_method, callback_proc(callback_method))
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send(callback_method, callback_object(callback_method))
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send(callback_method) { |model| model.history << [callback_method, :block] }
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end
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def history
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@history ||= []
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end
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end
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2010-03-16 16:51:26 -04:00
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class CallbackDeveloperWithFalseValidation < CallbackDeveloper
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before_validation proc { |model| model.history << [:before_validation, :returning_false]; return false }
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before_validation proc { |model| model.history << [:before_validation, :should_never_get_here] }
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end
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2007-01-23 22:04:48 -05:00
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class ParentDeveloper < ActiveRecord::Base
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self.table_name = 'developers'
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attr_accessor :after_save_called
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before_validation {|record| record.after_save_called = true}
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end
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class ChildDeveloper < ParentDeveloper
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end
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2005-06-13 06:52:53 -04:00
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class RecursiveCallbackDeveloper < ActiveRecord::Base
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self.table_name = 'developers'
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before_save :on_before_save
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after_save :on_after_save
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attr_reader :on_before_save_called, :on_after_save_called
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def on_before_save
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@on_before_save_called ||= 0
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@on_before_save_called += 1
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save unless @on_before_save_called > 1
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end
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def on_after_save
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@on_after_save_called ||= 0
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@on_after_save_called += 1
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save unless @on_after_save_called > 1
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end
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end
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2005-09-27 20:09:50 -04:00
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class ImmutableDeveloper < ActiveRecord::Base
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self.table_name = 'developers'
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2005-10-01 22:00:50 -04:00
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validates_inclusion_of :salary, :in => 50000..200000
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before_save :cancel
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before_destroy :cancel
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def cancelled?
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@cancelled == true
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end
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private
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def cancel
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@cancelled = true
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false
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end
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end
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class ImmutableMethodDeveloper < ActiveRecord::Base
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self.table_name = 'developers'
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2005-10-01 22:00:50 -04:00
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validates_inclusion_of :salary, :in => 50000..200000
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def cancelled?
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@cancelled == true
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end
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before_save do
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@cancelled = true
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false
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end
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before_destroy do
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@cancelled = true
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false
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end
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end
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2005-01-01 11:14:15 -05:00
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2010-01-06 16:16:49 -05:00
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class OnCallbacksDeveloper < ActiveRecord::Base
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self.table_name = 'developers'
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before_validation { history << :before_validation }
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before_validation(:on => :create){ history << :before_validation_on_create }
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before_validation(:on => :update){ history << :before_validation_on_update }
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validate do
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history << :validate
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end
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after_validation { history << :after_validation }
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after_validation(:on => :create){ history << :after_validation_on_create }
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after_validation(:on => :update){ history << :after_validation_on_update }
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def history
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@history ||= []
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end
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end
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2006-10-04 11:38:59 -04:00
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class CallbackCancellationDeveloper < ActiveRecord::Base
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self.table_name = 'developers'
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attr_reader :after_save_called, :after_create_called, :after_update_called, :after_destroy_called
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attr_accessor :cancel_before_save, :cancel_before_create, :cancel_before_update, :cancel_before_destroy
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2010-03-18 13:23:14 -04:00
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before_save {defined?(@cancel_before_save) ? !@cancel_before_save : false}
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before_create { !@cancel_before_create }
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before_update { !@cancel_before_update }
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before_destroy { !@cancel_before_destroy }
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2009-09-08 11:10:14 -04:00
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after_save { @after_save_called = true }
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after_update { @after_update_called = true }
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after_create { @after_create_called = true }
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after_destroy { @after_destroy_called = true }
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end
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2008-01-21 12:20:51 -05:00
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class CallbacksTest < ActiveRecord::TestCase
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fixtures :developers
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def test_initialize
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david = CallbackDeveloper.new
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assert_equal [
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[ :after_initialize, :method ],
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[ :after_initialize, :string ],
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[ :after_initialize, :proc ],
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[ :after_initialize, :object ],
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[ :after_initialize, :block ],
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], david.history
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end
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def test_find
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david = CallbackDeveloper.find(1)
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assert_equal [
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[ :after_find, :method ],
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[ :after_find, :string ],
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[ :after_find, :proc ],
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[ :after_find, :object ],
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[ :after_find, :block ],
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[ :after_initialize, :method ],
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[ :after_initialize, :string ],
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[ :after_initialize, :proc ],
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[ :after_initialize, :object ],
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[ :after_initialize, :block ],
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], david.history
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end
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def test_new_valid?
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david = CallbackDeveloper.new
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david.valid?
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assert_equal [
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[ :after_initialize, :method ],
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[ :after_initialize, :string ],
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[ :after_initialize, :proc ],
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[ :after_initialize, :object ],
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[ :after_initialize, :block ],
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2009-09-08 11:10:14 -04:00
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[ :before_validation, :method ],
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2005-01-01 11:14:15 -05:00
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[ :before_validation, :string ],
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[ :before_validation, :proc ],
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[ :before_validation, :object ],
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[ :before_validation, :block ],
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2009-09-08 11:10:14 -04:00
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[ :after_validation, :method ],
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2005-01-01 11:14:15 -05:00
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[ :after_validation, :string ],
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[ :after_validation, :proc ],
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[ :after_validation, :object ],
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[ :after_validation, :block ],
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], david.history
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end
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def test_existing_valid?
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david = CallbackDeveloper.find(1)
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david.valid?
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assert_equal [
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[ :after_find, :method ],
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2005-03-13 19:04:14 -05:00
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[ :after_find, :string ],
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[ :after_find, :proc ],
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[ :after_find, :object ],
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[ :after_find, :block ],
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2009-09-08 11:10:14 -04:00
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[ :after_initialize, :method ],
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2005-03-13 19:04:14 -05:00
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[ :after_initialize, :string ],
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[ :after_initialize, :proc ],
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[ :after_initialize, :object ],
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[ :after_initialize, :block ],
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2009-09-08 11:10:14 -04:00
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[ :before_validation, :method ],
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2005-01-01 11:14:15 -05:00
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[ :before_validation, :string ],
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[ :before_validation, :proc ],
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[ :before_validation, :object ],
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[ :before_validation, :block ],
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2009-09-08 11:10:14 -04:00
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[ :after_validation, :method ],
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2005-01-01 11:14:15 -05:00
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[ :after_validation, :string ],
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[ :after_validation, :proc ],
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[ :after_validation, :object ],
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[ :after_validation, :block ],
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], david.history
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end
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def test_create
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david = CallbackDeveloper.create('name' => 'David', 'salary' => 1000000)
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assert_equal [
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[ :after_initialize, :method ],
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2005-03-13 19:04:14 -05:00
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[ :after_initialize, :string ],
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[ :after_initialize, :proc ],
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[ :after_initialize, :object ],
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[ :after_initialize, :block ],
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2009-09-08 11:10:14 -04:00
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[ :before_validation, :method ],
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2005-01-01 11:14:15 -05:00
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[ :before_validation, :string ],
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[ :before_validation, :proc ],
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[ :before_validation, :object ],
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[ :before_validation, :block ],
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2009-09-08 11:10:14 -04:00
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[ :after_validation, :method ],
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2005-01-01 11:14:15 -05:00
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[ :after_validation, :string ],
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[ :after_validation, :proc ],
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[ :after_validation, :object ],
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[ :after_validation, :block ],
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2009-09-08 11:10:14 -04:00
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[ :before_save, :method ],
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2005-01-01 11:14:15 -05:00
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[ :before_save, :string ],
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[ :before_save, :proc ],
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[ :before_save, :object ],
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[ :before_save, :block ],
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2009-09-08 11:10:14 -04:00
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[ :before_create, :method ],
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2005-01-01 11:14:15 -05:00
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[ :before_create, :string ],
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[ :before_create, :proc ],
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[ :before_create, :object ],
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[ :before_create, :block ],
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2009-09-08 11:10:14 -04:00
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[ :after_create, :method ],
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2005-01-01 11:14:15 -05:00
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[ :after_create, :string ],
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[ :after_create, :proc ],
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[ :after_create, :object ],
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[ :after_create, :block ],
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2009-09-08 11:10:14 -04:00
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[ :after_save, :method ],
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2005-01-01 11:14:15 -05:00
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[ :after_save, :string ],
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[ :after_save, :proc ],
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[ :after_save, :object ],
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[ :after_save, :block ]
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], david.history
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end
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2010-01-06 16:16:49 -05:00
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def test_validate_on_create
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david = OnCallbacksDeveloper.create('name' => 'David', 'salary' => 1000000)
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assert_equal [
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:before_validation,
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:before_validation_on_create,
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:validate,
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:after_validation,
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:after_validation_on_create
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], david.history
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end
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def test_update
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david = CallbackDeveloper.find(1)
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david.save
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assert_equal [
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[ :after_find, :method ],
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[ :after_find, :string ],
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[ :after_find, :proc ],
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[ :after_find, :object ],
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[ :after_find, :block ],
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2009-09-08 11:10:14 -04:00
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[ :after_initialize, :method ],
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2005-03-13 19:04:14 -05:00
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[ :after_initialize, :string ],
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[ :after_initialize, :proc ],
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[ :after_initialize, :object ],
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[ :after_initialize, :block ],
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2009-09-08 11:10:14 -04:00
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[ :before_validation, :method ],
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2005-01-01 11:14:15 -05:00
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[ :before_validation, :string ],
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[ :before_validation, :proc ],
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[ :before_validation, :object ],
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[ :before_validation, :block ],
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2009-09-08 11:10:14 -04:00
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[ :after_validation, :method ],
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2005-01-01 11:14:15 -05:00
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[ :after_validation, :string ],
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[ :after_validation, :proc ],
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[ :after_validation, :object ],
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[ :after_validation, :block ],
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2009-09-08 11:10:14 -04:00
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[ :before_save, :method ],
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2005-01-01 11:14:15 -05:00
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[ :before_save, :string ],
|
|
|
|
[ :before_save, :proc ],
|
|
|
|
[ :before_save, :object ],
|
|
|
|
[ :before_save, :block ],
|
2009-09-08 11:10:14 -04:00
|
|
|
[ :before_update, :method ],
|
2005-01-01 11:14:15 -05:00
|
|
|
[ :before_update, :string ],
|
|
|
|
[ :before_update, :proc ],
|
|
|
|
[ :before_update, :object ],
|
|
|
|
[ :before_update, :block ],
|
2009-09-08 11:10:14 -04:00
|
|
|
[ :after_update, :method ],
|
2005-01-01 11:14:15 -05:00
|
|
|
[ :after_update, :string ],
|
|
|
|
[ :after_update, :proc ],
|
|
|
|
[ :after_update, :object ],
|
|
|
|
[ :after_update, :block ],
|
2009-09-08 11:10:14 -04:00
|
|
|
[ :after_save, :method ],
|
2005-01-01 11:14:15 -05:00
|
|
|
[ :after_save, :string ],
|
|
|
|
[ :after_save, :proc ],
|
|
|
|
[ :after_save, :object ],
|
|
|
|
[ :after_save, :block ]
|
|
|
|
], david.history
|
|
|
|
end
|
|
|
|
|
2010-01-06 16:16:49 -05:00
|
|
|
def test_validate_on_update
|
|
|
|
david = OnCallbacksDeveloper.find(1)
|
|
|
|
david.save
|
|
|
|
assert_equal [
|
|
|
|
:before_validation,
|
|
|
|
:before_validation_on_update,
|
|
|
|
:validate,
|
|
|
|
:after_validation,
|
|
|
|
:after_validation_on_update
|
|
|
|
], david.history
|
|
|
|
end
|
|
|
|
|
2005-01-01 11:14:15 -05:00
|
|
|
def test_destroy
|
|
|
|
david = CallbackDeveloper.find(1)
|
|
|
|
david.destroy
|
|
|
|
assert_equal [
|
2009-09-08 11:10:14 -04:00
|
|
|
[ :after_find, :method ],
|
2005-03-13 19:04:14 -05:00
|
|
|
[ :after_find, :string ],
|
|
|
|
[ :after_find, :proc ],
|
|
|
|
[ :after_find, :object ],
|
|
|
|
[ :after_find, :block ],
|
2009-09-08 11:10:14 -04:00
|
|
|
[ :after_initialize, :method ],
|
2005-03-13 19:04:14 -05:00
|
|
|
[ :after_initialize, :string ],
|
|
|
|
[ :after_initialize, :proc ],
|
|
|
|
[ :after_initialize, :object ],
|
|
|
|
[ :after_initialize, :block ],
|
2009-09-08 11:10:14 -04:00
|
|
|
[ :before_destroy, :method ],
|
2005-01-01 11:14:15 -05:00
|
|
|
[ :before_destroy, :string ],
|
|
|
|
[ :before_destroy, :proc ],
|
|
|
|
[ :before_destroy, :object ],
|
|
|
|
[ :before_destroy, :block ],
|
2009-09-08 11:10:14 -04:00
|
|
|
[ :after_destroy, :method ],
|
2005-01-01 11:14:15 -05:00
|
|
|
[ :after_destroy, :string ],
|
|
|
|
[ :after_destroy, :proc ],
|
|
|
|
[ :after_destroy, :object ],
|
|
|
|
[ :after_destroy, :block ]
|
|
|
|
], david.history
|
|
|
|
end
|
|
|
|
|
|
|
|
def test_delete
|
|
|
|
david = CallbackDeveloper.find(1)
|
|
|
|
CallbackDeveloper.delete(david.id)
|
|
|
|
assert_equal [
|
2009-09-08 11:10:14 -04:00
|
|
|
[ :after_find, :method ],
|
2005-03-13 19:04:14 -05:00
|
|
|
[ :after_find, :string ],
|
|
|
|
[ :after_find, :proc ],
|
|
|
|
[ :after_find, :object ],
|
|
|
|
[ :after_find, :block ],
|
2009-09-08 11:10:14 -04:00
|
|
|
[ :after_initialize, :method ],
|
2005-03-13 19:04:14 -05:00
|
|
|
[ :after_initialize, :string ],
|
|
|
|
[ :after_initialize, :proc ],
|
|
|
|
[ :after_initialize, :object ],
|
|
|
|
[ :after_initialize, :block ],
|
2005-01-01 11:14:15 -05:00
|
|
|
], david.history
|
|
|
|
end
|
2005-10-01 22:00:50 -04:00
|
|
|
|
|
|
|
def test_before_save_returning_false
|
|
|
|
david = ImmutableDeveloper.find(1)
|
|
|
|
assert david.valid?
|
|
|
|
assert !david.save
|
2009-03-08 16:11:58 -04:00
|
|
|
assert_raise(ActiveRecord::RecordNotSaved) { david.save! }
|
2005-10-01 22:00:50 -04:00
|
|
|
|
2006-02-28 15:37:21 -05:00
|
|
|
david = ImmutableDeveloper.find(1)
|
2005-10-01 22:00:50 -04:00
|
|
|
david.salary = 10_000_000
|
|
|
|
assert !david.valid?
|
|
|
|
assert !david.save
|
2009-03-08 16:11:58 -04:00
|
|
|
assert_raise(ActiveRecord::RecordInvalid) { david.save! }
|
2009-01-09 18:09:50 -05:00
|
|
|
|
|
|
|
someone = CallbackCancellationDeveloper.find(1)
|
|
|
|
someone.cancel_before_save = true
|
|
|
|
assert someone.valid?
|
|
|
|
assert !someone.save
|
|
|
|
assert_save_callbacks_not_called(someone)
|
2005-10-01 22:00:50 -04:00
|
|
|
end
|
|
|
|
|
2006-10-04 11:38:59 -04:00
|
|
|
def test_before_create_returning_false
|
|
|
|
someone = CallbackCancellationDeveloper.new
|
2009-01-09 18:09:50 -05:00
|
|
|
someone.cancel_before_create = true
|
2006-10-04 11:38:59 -04:00
|
|
|
assert someone.valid?
|
|
|
|
assert !someone.save
|
2009-01-09 18:09:50 -05:00
|
|
|
assert_save_callbacks_not_called(someone)
|
|
|
|
end
|
|
|
|
|
|
|
|
def test_before_update_returning_false
|
|
|
|
someone = CallbackCancellationDeveloper.find(1)
|
|
|
|
someone.cancel_before_update = true
|
|
|
|
assert someone.valid?
|
|
|
|
assert !someone.save
|
|
|
|
assert_save_callbacks_not_called(someone)
|
2006-10-04 11:38:59 -04:00
|
|
|
end
|
|
|
|
|
2005-09-27 20:09:50 -04:00
|
|
|
def test_before_destroy_returning_false
|
|
|
|
david = ImmutableDeveloper.find(1)
|
2006-02-28 15:37:21 -05:00
|
|
|
assert !david.destroy
|
2005-10-01 22:00:50 -04:00
|
|
|
assert_not_nil ImmutableDeveloper.find_by_id(1)
|
2009-01-09 18:09:50 -05:00
|
|
|
|
|
|
|
someone = CallbackCancellationDeveloper.find(1)
|
|
|
|
someone.cancel_before_destroy = true
|
|
|
|
assert !someone.destroy
|
|
|
|
assert !someone.after_destroy_called
|
|
|
|
end
|
|
|
|
|
|
|
|
def assert_save_callbacks_not_called(someone)
|
|
|
|
assert !someone.after_save_called
|
|
|
|
assert !someone.after_create_called
|
|
|
|
assert !someone.after_update_called
|
2008-01-18 02:30:42 -05:00
|
|
|
end
|
2009-01-09 18:09:50 -05:00
|
|
|
private :assert_save_callbacks_not_called
|
2005-01-15 12:45:16 -05:00
|
|
|
|
2010-03-16 16:51:26 -04:00
|
|
|
def test_callback_returning_false
|
|
|
|
david = CallbackDeveloperWithFalseValidation.find(1)
|
2005-01-15 12:45:16 -05:00
|
|
|
david.save
|
|
|
|
assert_equal [
|
2009-09-08 11:10:14 -04:00
|
|
|
[ :after_find, :method ],
|
2005-03-13 19:04:14 -05:00
|
|
|
[ :after_find, :string ],
|
|
|
|
[ :after_find, :proc ],
|
|
|
|
[ :after_find, :object ],
|
|
|
|
[ :after_find, :block ],
|
2009-09-08 11:10:14 -04:00
|
|
|
[ :after_initialize, :method ],
|
2005-03-13 19:04:14 -05:00
|
|
|
[ :after_initialize, :string ],
|
|
|
|
[ :after_initialize, :proc ],
|
|
|
|
[ :after_initialize, :object ],
|
|
|
|
[ :after_initialize, :block ],
|
2009-09-08 11:10:14 -04:00
|
|
|
[ :before_validation, :method ],
|
2005-01-15 12:45:16 -05:00
|
|
|
[ :before_validation, :string ],
|
|
|
|
[ :before_validation, :proc ],
|
|
|
|
[ :before_validation, :object ],
|
|
|
|
[ :before_validation, :block ],
|
2010-08-20 03:06:25 -04:00
|
|
|
[ :before_validation, :returning_false ],
|
|
|
|
[ :after_rollback, :block ],
|
|
|
|
[ :after_rollback, :object ],
|
|
|
|
[ :after_rollback, :proc ],
|
|
|
|
[ :after_rollback, :string ],
|
|
|
|
[ :after_rollback, :method ],
|
2005-01-15 12:45:16 -05:00
|
|
|
], david.history
|
|
|
|
end
|
2008-01-18 02:30:42 -05:00
|
|
|
|
2007-01-23 22:04:48 -05:00
|
|
|
def test_inheritence_of_callbacks
|
|
|
|
parent = ParentDeveloper.new
|
|
|
|
assert !parent.after_save_called
|
|
|
|
parent.save
|
|
|
|
assert parent.after_save_called
|
2008-01-18 02:30:42 -05:00
|
|
|
|
2007-01-23 22:04:48 -05:00
|
|
|
child = ChildDeveloper.new
|
|
|
|
assert !child.after_save_called
|
|
|
|
child.save
|
|
|
|
assert child.after_save_called
|
|
|
|
end
|
2008-01-18 02:30:42 -05:00
|
|
|
|
2005-01-01 11:14:15 -05:00
|
|
|
end
|