diff options
Diffstat (limited to 'activerecord/test/cases/attribute_methods_test.rb')
-rw-r--r-- | activerecord/test/cases/attribute_methods_test.rb | 98 |
1 files changed, 84 insertions, 14 deletions
diff --git a/activerecord/test/cases/attribute_methods_test.rb b/activerecord/test/cases/attribute_methods_test.rb index 9c66ed354e..952baaca36 100644 --- a/activerecord/test/cases/attribute_methods_test.rb +++ b/activerecord/test/cases/attribute_methods_test.rb @@ -22,7 +22,7 @@ class AttributeMethodsTest < ActiveRecord::TestCase @target.table_name = 'topics' end - def teardown + teardown do ActiveRecord::Base.send(:attribute_method_matchers).clear ActiveRecord::Base.send(:attribute_method_matchers).concat(@old_matchers) end @@ -555,6 +555,24 @@ class AttributeMethodsTest < ActiveRecord::TestCase 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_before_type_cast + assert_equal 1337, developer.name_before_type_cast + + 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 @@ -728,19 +746,40 @@ class AttributeMethodsTest < ActiveRecord::TestCase assert "unknown attribute: hello", error.message end - def test_read_attribute_overwrites_private_method_not_considered_implemented - # simulate a model with a db column that shares its name an inherited - # private method (e.g. Object#system) - # - Object.class_eval do - private - def title; "private!"; end + def test_methods_override_in_multi_level_subclass + klass = Class.new(Developer) do + def name + "dev:#{read_attribute(:name)}" + end end - assert !@target.instance_method_already_implemented?(:title) - topic = @target.new - assert_nil topic.title - Object.send(:undef_method, :title) # remove test method from object + 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_overwritte_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 @@ -767,8 +806,7 @@ class AttributeMethodsTest < ActiveRecord::TestCase # that by defining a 'foo' method in the generated methods module for B. # (That module will be inserted between the two, e.g. [B, <GeneratedAttributes>, A].) def test_inherited_custom_accessors - klass = Class.new(ActiveRecord::Base) do - self.table_name = "topics" + klass = new_topic_like_ar_class do self.abstract_class = true def title; "omg"; end def title=(val); self.author_name = val; end @@ -783,8 +821,40 @@ class AttributeMethodsTest < ActiveRecord::TestCase assert_equal "lol", topic.author_name 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 + 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 cached_columns Topic.columns.map(&:name) - Topic.serialized_attributes.keys end |