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rails--rails/activerecord/test/callbacks_test.rb
David Heinemeier Hansson 7ad83b8df2 Added block-style for callbacks #332 [bitsweat]
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@296 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
2005-01-01 16:14:15 +00:00

230 lines
8.2 KiB
Ruby

require 'abstract_unit'
class CallbackDeveloper < ActiveRecord::Base
class << self
def table_name; 'developers' end
def callback_string(callback_method)
"history << [#{callback_method.to_sym.inspect}, :string]"
end
def callback_proc(callback_method)
Proc.new { |model| model.history << [callback_method, :proc] }
end
def define_callback_method(callback_method)
define_method("#{callback_method}_method") do |model|
model.history << [callback_method, :method]
end
end
def callback_object(callback_method)
klass = Class.new
klass.send(:define_method, callback_method) do |model|
model.history << [callback_method, :object]
end
klass.new
end
end
ActiveRecord::Callbacks::CALLBACKS.each do |callback_method|
callback_method_sym = callback_method.to_sym
define_callback_method(callback_method_sym)
send(callback_method, callback_method_sym)
send(callback_method, callback_string(callback_method_sym))
send(callback_method, callback_proc(callback_method_sym))
send(callback_method, callback_object(callback_method_sym))
send(callback_method) { |model| model.history << [callback_method_sym, :block] }
end
def history
@history ||= []
end
# after_initialize and after_find may not be declared using class methods.
# They are invoked only if instance methods have been defined.
def after_initialize
history << [:after_initialize, :method]
end
def after_find
history << [:after_find, :method]
end
end
class CallbacksTest < Test::Unit::TestCase
def setup
@developers = create_fixtures('developers')
end
def test_initialize
david = CallbackDeveloper.new
assert_equal [
[ :after_initialize, :method ]
], david.history
end
def test_find
david = CallbackDeveloper.find(1)
assert_equal [
[ :after_find, :method ],
[ :after_initialize, :method ]
], david.history
end
def test_new_valid?
david = CallbackDeveloper.new
david.valid?
assert_equal [
[ :after_initialize, :method ],
[ :before_validation, :string ],
[ :before_validation, :proc ],
[ :before_validation, :object ],
[ :before_validation, :block ],
[ :before_validation_on_create, :string ],
[ :before_validation_on_create, :proc ],
[ :before_validation_on_create, :object ],
[ :before_validation_on_create, :block ],
[ :after_validation, :string ],
[ :after_validation, :proc ],
[ :after_validation, :object ],
[ :after_validation, :block ],
[ :after_validation_on_create, :string ],
[ :after_validation_on_create, :proc ],
[ :after_validation_on_create, :object ],
[ :after_validation_on_create, :block ]
], david.history
end
def test_existing_valid?
david = CallbackDeveloper.find(1)
david.valid?
assert_equal [
[ :after_find, :method ],
[ :after_initialize, :method ],
[ :before_validation, :string ],
[ :before_validation, :proc ],
[ :before_validation, :object ],
[ :before_validation, :block ],
[ :before_validation_on_update, :string ],
[ :before_validation_on_update, :proc ],
[ :before_validation_on_update, :object ],
[ :before_validation_on_update, :block ],
[ :after_validation, :string ],
[ :after_validation, :proc ],
[ :after_validation, :object ],
[ :after_validation, :block ],
[ :after_validation_on_update, :string ],
[ :after_validation_on_update, :proc ],
[ :after_validation_on_update, :object ],
[ :after_validation_on_update, :block ]
], david.history
end
def test_create
david = CallbackDeveloper.create('name' => 'David', 'salary' => 1000000)
assert_equal [
[ :after_initialize, :method ],
[ :before_validation, :string ],
[ :before_validation, :proc ],
[ :before_validation, :object ],
[ :before_validation, :block ],
[ :before_validation_on_create, :string ],
[ :before_validation_on_create, :proc ],
[ :before_validation_on_create, :object ],
[ :before_validation_on_create, :block ],
[ :after_validation, :string ],
[ :after_validation, :proc ],
[ :after_validation, :object ],
[ :after_validation, :block ],
[ :after_validation_on_create, :string ],
[ :after_validation_on_create, :proc ],
[ :after_validation_on_create, :object ],
[ :after_validation_on_create, :block ],
[ :before_save, :string ],
[ :before_save, :proc ],
[ :before_save, :object ],
[ :before_save, :block ],
[ :before_create, :string ],
[ :before_create, :proc ],
[ :before_create, :object ],
[ :before_create, :block ],
[ :after_create, :string ],
[ :after_create, :proc ],
[ :after_create, :object ],
[ :after_create, :block ],
[ :after_save, :string ],
[ :after_save, :proc ],
[ :after_save, :object ],
[ :after_save, :block ]
], david.history
end
def test_save
david = CallbackDeveloper.find(1)
david.save
assert_equal [
[ :after_find, :method ],
[ :after_initialize, :method ],
[ :before_validation, :string ],
[ :before_validation, :proc ],
[ :before_validation, :object ],
[ :before_validation, :block ],
[ :before_validation_on_update, :string ],
[ :before_validation_on_update, :proc ],
[ :before_validation_on_update, :object ],
[ :before_validation_on_update, :block ],
[ :after_validation, :string ],
[ :after_validation, :proc ],
[ :after_validation, :object ],
[ :after_validation, :block ],
[ :after_validation_on_update, :string ],
[ :after_validation_on_update, :proc ],
[ :after_validation_on_update, :object ],
[ :after_validation_on_update, :block ],
[ :before_save, :string ],
[ :before_save, :proc ],
[ :before_save, :object ],
[ :before_save, :block ],
[ :before_update, :string ],
[ :before_update, :proc ],
[ :before_update, :object ],
[ :before_update, :block ],
[ :after_update, :string ],
[ :after_update, :proc ],
[ :after_update, :object ],
[ :after_update, :block ],
[ :after_save, :string ],
[ :after_save, :proc ],
[ :after_save, :object ],
[ :after_save, :block ]
], david.history
end
def test_destroy
david = CallbackDeveloper.find(1)
david.destroy
assert_equal [
[ :after_find, :method ],
[ :after_initialize, :method ],
[ :before_destroy, :string ],
[ :before_destroy, :proc ],
[ :before_destroy, :object ],
[ :before_destroy, :block ],
[ :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 [
[ :after_find, :method ],
[ :after_initialize, :method ]
], david.history
end
end