diff options
Diffstat (limited to 'activerecord/test')
-rw-r--r-- | activerecord/test/callbacks_test.rb | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/activerecord/test/callbacks_test.rb b/activerecord/test/callbacks_test.rb new file mode 100644 index 0000000000..3992c0a6a0 --- /dev/null +++ b/activerecord/test/callbacks_test.rb @@ -0,0 +1,230 @@ +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 |