require "cases/helper" require 'models/minimalistic' require 'models/developer' require 'models/auto_id' require 'models/boolean' require 'models/computer' require 'models/topic' require 'models/company' require 'models/category' require 'models/reply' require 'models/contact' require 'models/keyboard' class AttributeMethodsTest < ActiveRecord::TestCase include InTimeZone fixtures :topics, :developers, :companies, :computers def setup @old_matchers = ActiveRecord::Base.send(:attribute_method_matchers).dup @target = Class.new(ActiveRecord::Base) @target.table_name = 'topics' end teardown do ActiveRecord::Base.send(:attribute_method_matchers).clear ActiveRecord::Base.send(:attribute_method_matchers).concat(@old_matchers) end def test_attribute_for_inspect_string t = topics(:first) t.title = "The First Topic Now Has A Title With\nNewlines And More Than 50 Characters" assert_equal '"The First Topic Now Has A Title With\nNewlines And ..."', t.attribute_for_inspect(:title) end def test_attribute_for_inspect_date t = topics(:first) assert_equal %("#{t.written_on.to_s(:db)}"), t.attribute_for_inspect(:written_on) end def test_attribute_for_inspect_array t = topics(:first) t.content = [Object.new] assert_match %r(\[#\]), t.attribute_for_inspect(:content) end def test_attribute_for_inspect_long_array t = topics(:first) t.content = (1..11).to_a assert_equal "[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]", t.attribute_for_inspect(:content) end def test_attribute_present t = Topic.new t.title = "hello there!" t.written_on = Time.now t.author_name = "" assert t.attribute_present?("title") assert t.attribute_present?("written_on") assert !t.attribute_present?("content") assert !t.attribute_present?("author_name") end def test_attribute_present_with_booleans b1 = Boolean.new b1.value = false assert b1.attribute_present?(:value) b2 = Boolean.new b2.value = true assert b2.attribute_present?(:value) b3 = Boolean.new assert !b3.attribute_present?(:value) b4 = Boolean.new b4.value = false b4.save! assert Boolean.find(b4.id).attribute_present?(:value) end def test_caching_nil_primary_key klass = Class.new(Minimalistic) assert_called(klass, :reset_primary_key, returns: nil) do 2.times { klass.primary_key } end end def test_attribute_keys_on_new_instance t = Topic.new assert_equal nil, t.title, "The topics table has a title column, so it should be nil" assert_raise(NoMethodError) { t.title2 } end def test_boolean_attributes assert !Topic.find(1).approved? assert Topic.find(2).approved? end def test_set_attributes topic = Topic.find(1) topic.attributes = { "title" => "Budget", "author_name" => "Jason" } topic.save assert_equal("Budget", topic.title) assert_equal("Jason", topic.author_name) assert_equal(topics(:first).author_email_address, Topic.find(1).author_email_address) end def test_set_attributes_without_hash topic = Topic.new assert_raise(ArgumentError) { topic.attributes = '' } end def test_integers_as_nil test = AutoId.create('value' => '') assert_nil AutoId.find(test.id).value end def test_set_attributes_with_block topic = Topic.new do |t| t.title = "Budget" t.author_name = "Jason" end assert_equal("Budget", topic.title) assert_equal("Jason", topic.author_name) end def test_respond_to? topic = Topic.find(1) assert_respond_to topic, "title" assert_respond_to topic, "title?" assert_respond_to topic, "title=" assert_respond_to topic, :title assert_respond_to topic, :title? assert_respond_to topic, :title= assert_respond_to topic, "author_name" assert_respond_to topic, "attribute_names" assert !topic.respond_to?("nothingness") assert !topic.respond_to?(:nothingness) end def test_respond_to_with_custom_primary_key keyboard = Keyboard.create assert_not_nil keyboard.key_number assert_equal keyboard.key_number, keyboard.id assert keyboard.respond_to?('key_number') assert keyboard.respond_to?('id') end def test_id_before_type_cast_with_custom_primary_key keyboard = Keyboard.create keyboard.key_number = '10' assert_equal '10', keyboard.id_before_type_cast assert_equal nil, keyboard.read_attribute_before_type_cast('id') assert_equal '10', keyboard.read_attribute_before_type_cast('key_number') assert_equal '10', keyboard.read_attribute_before_type_cast(:key_number) end # Syck calls respond_to? before actually calling initialize def test_respond_to_with_allocated_object klass = Class.new(ActiveRecord::Base) do self.table_name = 'topics' end topic = klass.allocate assert !topic.respond_to?("nothingness") assert !topic.respond_to?(:nothingness) assert_respond_to topic, "title" assert_respond_to topic, :title end # IRB inspects the return value of "MyModel.allocate". def test_allocated_object_can_be_inspected topic = Topic.allocate assert_equal "#", topic.inspect end def test_array_content topic = Topic.new topic.content = %w( one two three ) topic.save assert_equal(%w( one two three ), Topic.find(topic.id).content) end def test_read_attributes_before_type_cast category = Category.new({:name=>"Test category", :type => nil}) category_attrs = {"name"=>"Test category", "id" => nil, "type" => nil, "categorizations_count" => nil} assert_equal category_attrs , category.attributes_before_type_cast end if current_adapter?(:Mysql2Adapter) def test_read_attributes_before_type_cast_on_boolean bool = Boolean.create!({ "value" => false }) if RUBY_PLATFORM =~ /java/ # JRuby will return the value before typecast as string assert_equal "0", bool.reload.attributes_before_type_cast["value"] else assert_equal 0, bool.reload.attributes_before_type_cast["value"] end end end def test_read_attributes_before_type_cast_on_datetime in_time_zone "Pacific Time (US & Canada)" do record = @target.new record.written_on = "345643456" assert_equal "345643456", record.written_on_before_type_cast assert_equal nil, record.written_on record.written_on = "2009-10-11 12:13:14" assert_equal "2009-10-11 12:13:14", record.written_on_before_type_cast assert_equal Time.zone.parse("2009-10-11 12:13:14"), record.written_on assert_equal ActiveSupport::TimeZone["Pacific Time (US & Canada)"], record.written_on.time_zone end end def test_read_attributes_after_type_cast_on_datetime tz = "Pacific Time (US & Canada)" in_time_zone tz do record = @target.new date_string = "2011-03-24" time = Time.zone.parse date_string record.written_on = date_string assert_equal date_string, record.written_on_before_type_cast assert_equal time, record.written_on assert_equal ActiveSupport::TimeZone[tz], record.written_on.time_zone record.save record.reload assert_equal time, record.written_on end end def test_hash_content topic = Topic.new topic.content = { "one" => 1, "two" => 2 } topic.save assert_equal 2, Topic.find(topic.id).content["two"] topic.content_will_change! topic.content["three"] = 3 topic.save assert_equal 3, Topic.find(topic.id).content["three"] end def test_update_array_content topic = Topic.new topic.content = %w( one two three ) topic.content.push "four" assert_equal(%w( one two three four ), topic.content) topic.save topic = Topic.find(topic.id) topic.content << "five" assert_equal(%w( one two three four five ), topic.content) end def test_case_sensitive_attributes_hash # DB2 is not case-sensitive return true if current_adapter?(:DB2Adapter) assert_equal @loaded_fixtures['computers']['workstation'].to_hash, Computer.first.attributes end def test_attributes_without_primary_key klass = Class.new(ActiveRecord::Base) do self.table_name = 'developers_projects' end assert_equal klass.column_names, klass.new.attributes.keys assert_not klass.new.has_attribute?('id') end def test_hashes_not_mangled new_topic = { :title => "New Topic" } new_topic_values = { :title => "AnotherTopic" } topic = Topic.new(new_topic) assert_equal new_topic[:title], topic.title topic.attributes= new_topic_values assert_equal new_topic_values[:title], topic.title end def test_create_through_factory topic = Topic.create("title" => "New Topic") topicReloaded = Topic.find(topic.id) assert_equal(topic, topicReloaded) end def test_write_attribute topic = Topic.new topic.send(:write_attribute, :title, "Still another topic") assert_equal "Still another topic", topic.title topic[:title] = "Still another topic: part 2" assert_equal "Still another topic: part 2", topic.title topic.send(:write_attribute, "title", "Still another topic: part 3") assert_equal "Still another topic: part 3", topic.title topic["title"] = "Still another topic: part 4" assert_equal "Still another topic: part 4", topic.title end def test_read_attribute topic = Topic.new topic.title = "Don't change the topic" assert_equal "Don't change the topic", topic.read_attribute("title") assert_equal "Don't change the topic", topic["title"] assert_equal "Don't change the topic", topic.read_attribute(:title) assert_equal "Don't change the topic", topic[:title] end def test_read_attribute_raises_missing_attribute_error_when_not_exists computer = Computer.select('id').first assert_raises(ActiveModel::MissingAttributeError) { computer[:developer] } assert_raises(ActiveModel::MissingAttributeError) { computer[:extendedWarranty] } assert_raises(ActiveModel::MissingAttributeError) { computer[:no_column_exists] = 'Hello!' } assert_nothing_raised { computer[:developer] = 'Hello!' } end def test_read_attribute_when_false topic = topics(:first) topic.approved = false assert !topic.approved?, "approved should be false" topic.approved = "false" assert !topic.approved?, "approved should be false" end def test_read_attribute_when_true topic = topics(:first) topic.approved = true assert topic.approved?, "approved should be true" topic.approved = "true" assert topic.approved?, "approved should be true" end def test_read_write_boolean_attribute topic = Topic.new topic.approved = "false" assert !topic.approved?, "approved should be false" topic.approved = "false" assert !topic.approved?, "approved should be false" topic.approved = "true" assert topic.approved?, "approved should be true" topic.approved = "true" assert topic.approved?, "approved should be true" end def test_overridden_write_attribute topic = Topic.new def topic.write_attribute(attr_name, value) super(attr_name, value.downcase) end topic.send(:write_attribute, :title, "Yet another topic") assert_equal "yet another topic", topic.title topic[:title] = "Yet another topic: part 2" assert_equal "yet another topic: part 2", topic.title topic.send(:write_attribute, "title", "Yet another topic: part 3") assert_equal "yet another topic: part 3", topic.title topic["title"] = "Yet another topic: part 4" assert_equal "yet another topic: part 4", topic.title end def test_overridden_read_attribute topic = Topic.new topic.title = "Stop changing the topic" def topic.read_attribute(attr_name) super(attr_name).upcase end assert_equal "STOP CHANGING THE TOPIC", topic.read_attribute("title") assert_equal "STOP CHANGING THE TOPIC", topic["title"] assert_equal "STOP CHANGING THE TOPIC", topic.read_attribute(:title) assert_equal "STOP CHANGING THE TOPIC", topic[:title] end def test_read_overridden_attribute topic = Topic.new(:title => 'a') def topic.title() 'b' end assert_equal 'a', topic[:title] end def test_query_attribute_string [nil, "", " "].each do |value| assert_equal false, Topic.new(:author_name => value).author_name? end assert_equal true, Topic.new(:author_name => "Name").author_name? end def test_query_attribute_number [nil, 0, "0"].each do |value| assert_equal false, Developer.new(:salary => value).salary? end assert_equal true, Developer.new(:salary => 1).salary? assert_equal true, Developer.new(:salary => "1").salary? end def test_query_attribute_boolean [nil, "", false, "false", "f", 0].each do |value| assert_equal false, Topic.new(:approved => value).approved? end [true, "true", "1", 1].each do |value| assert_equal true, Topic.new(:approved => value).approved? end end def test_query_attribute_with_custom_fields object = Company.find_by_sql(<<-SQL).first SELECT c1.*, c2.type as string_value, c2.rating as int_value FROM companies c1, companies c2 WHERE c1.firm_id = c2.id AND c1.id = 2 SQL assert_equal "Firm", object.string_value assert object.string_value? object.string_value = " " assert !object.string_value? assert_equal 1, object.int_value.to_i assert object.int_value? object.int_value = "0" assert !object.int_value? end def test_non_attribute_access_and_assignment topic = Topic.new assert !topic.respond_to?("mumbo") assert_raise(NoMethodError) { topic.mumbo } assert_raise(NoMethodError) { topic.mumbo = 5 } end def test_undeclared_attribute_method_does_not_affect_respond_to_and_method_missing topic = @target.new(:title => 'Budget') assert topic.respond_to?('title') assert_equal 'Budget', topic.title assert !topic.respond_to?('title_hello_world') assert_raise(NoMethodError) { topic.title_hello_world } end def test_declared_prefixed_attribute_method_affects_respond_to_and_method_missing topic = @target.new(:title => 'Budget') %w(default_ title_).each do |prefix| @target.class_eval "def #{prefix}attribute(*args) args end" @target.attribute_method_prefix prefix meth = "#{prefix}title" assert topic.respond_to?(meth) assert_equal ['title'], topic.send(meth) assert_equal ['title', 'a'], topic.send(meth, 'a') assert_equal ['title', 1, 2, 3], topic.send(meth, 1, 2, 3) end end def test_declared_suffixed_attribute_method_affects_respond_to_and_method_missing %w(_default _title_default _it! _candidate= able?).each do |suffix| @target.class_eval "def attribute#{suffix}(*args) args end" @target.attribute_method_suffix suffix topic = @target.new(:title => 'Budget') meth = "title#{suffix}" assert topic.respond_to?(meth) assert_equal ['title'], topic.send(meth) assert_equal ['title', 'a'], topic.send(meth, 'a') assert_equal ['title', 1, 2, 3], topic.send(meth, 1, 2, 3) end end def test_declared_affixed_attribute_method_affects_respond_to_and_method_missing [['mark_', '_for_update'], ['reset_', '!'], ['default_', '_value?']].each do |prefix, suffix| @target.class_eval "def #{prefix}attribute#{suffix}(*args) args end" @target.attribute_method_affix({ :prefix => prefix, :suffix => suffix }) topic = @target.new(:title => 'Budget') meth = "#{prefix}title#{suffix}" assert topic.respond_to?(meth) assert_equal ['title'], topic.send(meth) assert_equal ['title', 'a'], topic.send(meth, 'a') assert_equal ['title', 1, 2, 3], topic.send(meth, 1, 2, 3) end end def test_should_unserialize_attributes_for_frozen_records myobj = {:value1 => :value2} topic = Topic.create("content" => myobj) topic.freeze assert_equal myobj, topic.content end def test_typecast_attribute_from_select_to_false Topic.create(:title => 'Budget') # Oracle does not support boolean expressions in SELECT if current_adapter?(:OracleAdapter, :FbAdapter) topic = Topic.all.merge!(:select => "topics.*, 0 as is_test").first else topic = Topic.all.merge!(:select => "topics.*, 1=2 as is_test").first end assert !topic.is_test? end def test_typecast_attribute_from_select_to_true Topic.create(:title => 'Budget') # Oracle does not support boolean expressions in SELECT if current_adapter?(:OracleAdapter, :FbAdapter) topic = Topic.all.merge!(:select => "topics.*, 1 as is_test").first else topic = Topic.all.merge!(:select => "topics.*, 2=2 as is_test").first end assert topic.is_test? end def test_raises_dangerous_attribute_error_when_defining_activerecord_method_in_model %w(save create_or_update).each do |method| klass = Class.new ActiveRecord::Base klass.class_eval "def #{method}() 'defined #{method}' end" assert_raise ActiveRecord::DangerousAttributeError do klass.instance_method_already_implemented?(method) end end end def test_converted_values_are_returned_after_assignment developer = Developer.new(name: 1337, salary: "50000") assert_equal "50000", developer.salary_before_type_cast assert_equal 1337, developer.name_before_type_cast assert_equal 50000, developer.salary assert_equal "1337", developer.name developer.save! assert_equal 50000, developer.salary assert_equal "1337", developer.name end def test_write_nil_to_time_attributes in_time_zone "Pacific Time (US & Canada)" do record = @target.new record.written_on = nil assert_nil record.written_on end end def test_write_time_to_date_attributes in_time_zone "Pacific Time (US & Canada)" do record = @target.new record.last_read = Time.utc(2010, 1, 1, 10) assert_equal Date.civil(2010, 1, 1), record.last_read end end def test_time_attributes_are_retrieved_in_current_time_zone in_time_zone "Pacific Time (US & Canada)" do utc_time = Time.utc(2008, 1, 1) record = @target.new record[:written_on] = utc_time assert_equal utc_time, record.written_on # record.written on is equal to (i.e., simultaneous with) utc_time assert_kind_of ActiveSupport::TimeWithZone, record.written_on # but is a TimeWithZone assert_equal ActiveSupport::TimeZone["Pacific Time (US & Canada)"], record.written_on.time_zone # and is in the current Time.zone assert_equal Time.utc(2007, 12, 31, 16), record.written_on.time # and represents time values adjusted accordingly end end def test_setting_time_zone_aware_attribute_to_utc in_time_zone "Pacific Time (US & Canada)" do utc_time = Time.utc(2008, 1, 1) record = @target.new record.written_on = utc_time assert_equal utc_time, record.written_on assert_equal ActiveSupport::TimeZone["Pacific Time (US & Canada)"], record.written_on.time_zone assert_equal Time.utc(2007, 12, 31, 16), record.written_on.time end end def test_setting_time_zone_aware_attribute_in_other_time_zone utc_time = Time.utc(2008, 1, 1) cst_time = utc_time.in_time_zone("Central Time (US & Canada)") in_time_zone "Pacific Time (US & Canada)" do record = @target.new record.written_on = cst_time assert_equal utc_time, record.written_on assert_equal ActiveSupport::TimeZone["Pacific Time (US & Canada)"], record.written_on.time_zone assert_equal Time.utc(2007, 12, 31, 16), record.written_on.time end end def test_setting_time_zone_aware_read_attribute utc_time = Time.utc(2008, 1, 1) cst_time = utc_time.in_time_zone("Central Time (US & Canada)") in_time_zone "Pacific Time (US & Canada)" do record = @target.create(:written_on => cst_time).reload assert_equal utc_time, record[:written_on] assert_equal ActiveSupport::TimeZone["Pacific Time (US & Canada)"], record[:written_on].time_zone assert_equal Time.utc(2007, 12, 31, 16), record[:written_on].time end end def test_setting_time_zone_aware_attribute_with_string utc_time = Time.utc(2008, 1, 1) (-11..13).each do |timezone_offset| time_string = utc_time.in_time_zone(timezone_offset).to_s in_time_zone "Pacific Time (US & Canada)" do record = @target.new record.written_on = time_string assert_equal Time.zone.parse(time_string), record.written_on assert_equal ActiveSupport::TimeZone["Pacific Time (US & Canada)"], record.written_on.time_zone assert_equal Time.utc(2007, 12, 31, 16), record.written_on.time end end end def test_time_zone_aware_attribute_saved in_time_zone 1 do record = @target.create(:written_on => '2012-02-20 10:00') record.written_on = '2012-02-20 09:00' record.save assert_equal Time.zone.local(2012, 02, 20, 9), record.reload.written_on end end def test_setting_time_zone_aware_attribute_to_blank_string_returns_nil in_time_zone "Pacific Time (US & Canada)" do record = @target.new record.written_on = ' ' assert_nil record.written_on assert_nil record[:written_on] end end def test_setting_time_zone_aware_attribute_interprets_time_zone_unaware_string_in_time_zone time_string = 'Tue Jan 01 00:00:00 2008' (-11..13).each do |timezone_offset| in_time_zone timezone_offset do record = @target.new record.written_on = time_string assert_equal Time.zone.parse(time_string), record.written_on assert_equal ActiveSupport::TimeZone[timezone_offset], record.written_on.time_zone assert_equal Time.utc(2008, 1, 1), record.written_on.time end end end def test_setting_time_zone_aware_datetime_in_current_time_zone utc_time = Time.utc(2008, 1, 1) in_time_zone "Pacific Time (US & Canada)" do record = @target.new record.written_on = utc_time.in_time_zone assert_equal utc_time, record.written_on assert_equal ActiveSupport::TimeZone["Pacific Time (US & Canada)"], record.written_on.time_zone assert_equal Time.utc(2007, 12, 31, 16), record.written_on.time end end def test_yaml_dumping_record_with_time_zone_aware_attribute in_time_zone "Pacific Time (US & Canada)" do record = Topic.new(id: 1) record.written_on = "Jan 01 00:00:00 2014" assert_equal record, YAML.load(YAML.dump(record)) end end def test_setting_time_zone_aware_time_in_current_time_zone in_time_zone "Pacific Time (US & Canada)" do record = @target.new time_string = "10:00:00" expected_time = Time.zone.parse("2000-01-01 #{time_string}") record.bonus_time = time_string assert_equal expected_time, record.bonus_time assert_equal ActiveSupport::TimeZone["Pacific Time (US & Canada)"], record.bonus_time.time_zone record.bonus_time = '' assert_nil record.bonus_time end end def test_setting_time_zone_aware_time_with_dst in_time_zone "Pacific Time (US & Canada)" do current_time = Time.zone.local(2014, 06, 15, 10) record = @target.new(bonus_time: current_time) time_before_save = record.bonus_time record.save record.reload assert_equal time_before_save, record.bonus_time assert_equal ActiveSupport::TimeZone["Pacific Time (US & Canada)"], record.bonus_time.time_zone end end def test_removing_time_zone_aware_types with_time_zone_aware_types(:datetime) do in_time_zone "Pacific Time (US & Canada)" do record = @target.new(bonus_time: "10:00:00") expected_time = Time.utc(2000, 01, 01, 10) assert_equal expected_time, record.bonus_time assert record.bonus_time.utc? end end end def test_time_zone_aware_attributes_dont_recurse_infinitely_on_invalid_values in_time_zone "Pacific Time (US & Canada)" do record = @target.new(bonus_time: []) assert_equal nil, record.bonus_time end end def test_setting_time_zone_conversion_for_attributes_should_write_value_on_class_variable Topic.skip_time_zone_conversion_for_attributes = [:field_a] Minimalistic.skip_time_zone_conversion_for_attributes = [:field_b] assert_equal [:field_a], Topic.skip_time_zone_conversion_for_attributes assert_equal [:field_b], Minimalistic.skip_time_zone_conversion_for_attributes end def test_read_attributes_respect_access_control privatize("title") topic = @target.new(:title => "The pros and cons of programming naked.") assert !topic.respond_to?(:title) exception = assert_raise(NoMethodError) { topic.title } assert exception.message.include?("private method") assert_equal "I'm private", topic.send(:title) end def test_write_attributes_respect_access_control privatize("title=(value)") topic = @target.new assert !topic.respond_to?(:title=) exception = assert_raise(NoMethodError) { topic.title = "Pants"} assert exception.message.include?("private method") topic.send(:title=, "Very large pants") end def test_question_attributes_respect_access_control privatize("title?") topic = @target.new(:title => "Isaac Newton's pants") assert !topic.respond_to?(:title?) exception = assert_raise(NoMethodError) { topic.title? } assert exception.message.include?("private method") assert topic.send(:title?) end def test_bulk_update_respects_access_control privatize("title=(value)") assert_raise(ActiveRecord::UnknownAttributeError) { @target.new(:title => "Rants about pants") } assert_raise(ActiveRecord::UnknownAttributeError) { @target.new.attributes = { :title => "Ants in pants" } } end def test_bulk_update_raise_unknown_attribute_error error = assert_raises(ActiveRecord::UnknownAttributeError) { Topic.new(hello: "world") } assert_instance_of Topic, error.record assert_equal "hello", error.attribute assert_equal "unknown attribute 'hello' for Topic.", error.message end def test_methods_override_in_multi_level_subclass klass = Class.new(Developer) do def name "dev:#{read_attribute(:name)}" end end 2.times { klass = Class.new klass } dev = klass.new(name: 'arthurnn') dev.save! assert_equal 'dev:arthurnn', dev.reload.name end def test_global_methods_are_overwritten klass = Class.new(ActiveRecord::Base) do self.table_name = 'computers' end assert !klass.instance_method_already_implemented?(:system) computer = klass.new assert_nil computer.system end def test_global_methods_are_overwritten_when_subclassing klass = Class.new(ActiveRecord::Base) { self.abstract_class = true } subklass = Class.new(klass) do self.table_name = 'computers' end assert !klass.instance_method_already_implemented?(:system) assert !subklass.instance_method_already_implemented?(:system) computer = subklass.new assert_nil computer.system end def test_instance_method_should_be_defined_on_the_base_class subklass = Class.new(Topic) Topic.define_attribute_methods instance = subklass.new instance.id = 5 assert_equal 5, instance.id assert subklass.method_defined?(:id), "subklass is missing id method" Topic.undefine_attribute_methods assert_equal 5, instance.id assert subklass.method_defined?(:id), "subklass is missing id method" end def test_read_attribute_with_nil_should_not_asplode assert_equal nil, Topic.new.read_attribute(nil) end # If B < A, and A defines an accessor for 'foo', we don't want to override # that by defining a 'foo' method in the generated methods module for B. # (That module will be inserted between the two, e.g. [B, , A].) def test_inherited_custom_accessors klass = new_topic_like_ar_class do self.abstract_class = true def title; "omg"; end def title=(val); self.author_name = val; end end subklass = Class.new(klass) [klass, subklass].each(&:define_attribute_methods) topic = subklass.find(1) assert_equal "omg", topic.title topic.title = "lol" assert_equal "lol", topic.author_name end def test_inherited_custom_accessors_with_reserved_names klass = Class.new(ActiveRecord::Base) do self.table_name = 'computers' self.abstract_class = true def system; "omg"; end def system=(val); self.developer = val; end end subklass = Class.new(klass) [klass, subklass].each(&:define_attribute_methods) computer = subklass.find(1) assert_equal "omg", computer.system computer.developer = 99 assert_equal 99, computer.developer end def test_on_the_fly_super_invokable_generated_attribute_methods_via_method_missing klass = new_topic_like_ar_class do def title super + '!' end end real_topic = topics(:first) assert_equal real_topic.title + '!', klass.find(real_topic.id).title end def test_on_the_fly_super_invokable_generated_predicate_attribute_methods_via_method_missing klass = new_topic_like_ar_class do def title? !super end end real_topic = topics(:first) assert_equal !real_topic.title?, klass.find(real_topic.id).title? end def test_calling_super_when_parent_does_not_define_method_raises_error klass = new_topic_like_ar_class do def some_method_that_is_not_on_super super end end assert_raise(NoMethodError) do klass.new.some_method_that_is_not_on_super end end def test_attribute_method? assert @target.attribute_method?(:title) assert @target.attribute_method?(:title=) assert_not @target.attribute_method?(:wibble) end def test_attribute_method_returns_false_if_table_does_not_exist @target.table_name = 'wibble' assert_not @target.attribute_method?(:title) end def test_attribute_names_on_new_record model = @target.new assert_equal @target.column_names, model.attribute_names end def test_attribute_names_on_queried_record model = @target.last! assert_equal @target.column_names, model.attribute_names end def test_attribute_names_with_custom_select model = @target.select('id').last! assert_equal ['id'], model.attribute_names # Sanity check, make sure other columns exist assert_not_equal ['id'], @target.column_names end def test_came_from_user model = @target.first assert_not model.id_came_from_user? model.id = "omg" assert model.id_came_from_user? end def test_accessed_fields model = @target.first assert_equal [], model.accessed_fields model.title assert_equal ["title"], model.accessed_fields end private def new_topic_like_ar_class(&block) klass = Class.new(ActiveRecord::Base) do self.table_name = 'topics' class_eval(&block) end assert_empty klass.generated_attribute_methods.instance_methods(false) klass end def with_time_zone_aware_types(*types) old_types = ActiveRecord::Base.time_zone_aware_types ActiveRecord::Base.time_zone_aware_types = types yield ensure ActiveRecord::Base.time_zone_aware_types = old_types end def cached_columns Topic.columns.map(&:name) end def time_related_columns_on_topic Topic.columns.select { |c| [:time, :date, :datetime, :timestamp].include?(c.type) } end def privatize(method_signature) @target.class_eval(<<-private_method, __FILE__, __LINE__ + 1) private def #{method_signature} "I'm private" end private_method end end