From 0d9f45ff99c092cce6b7642f653b8fdf9f930f0c Mon Sep 17 00:00:00 2001 From: Bogdan Gusiev Date: Mon, 2 Apr 2018 14:17:24 +0300 Subject: Add AR::Base.base_class? predicate --- activerecord/CHANGELOG.md | 4 ++++ activerecord/lib/active_record/attribute_methods.rb | 2 +- activerecord/lib/active_record/attribute_methods/primary_key.rb | 2 +- activerecord/lib/active_record/inheritance.rb | 8 +++++++- activerecord/lib/active_record/model_schema.rb | 7 +++---- activerecord/lib/active_record/translation.rb | 2 +- activerecord/test/cases/attribute_methods/read_test.rb | 2 +- activerecord/test/cases/inheritance_test.rb | 9 +++++++++ 8 files changed, 27 insertions(+), 9 deletions(-) diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index 2623a3226a..9393bb83f0 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,7 @@ +* Add `AR::Base.base_class?` predicate + + *Bogdan Gusiev* + * Add custom prefix option to ActiveRecord::Store.store_accessor. *Tan Huynh* diff --git a/activerecord/lib/active_record/attribute_methods.rb b/activerecord/lib/active_record/attribute_methods.rb index 7db9bbe46b..83b5a5e698 100644 --- a/activerecord/lib/active_record/attribute_methods.rb +++ b/activerecord/lib/active_record/attribute_methods.rb @@ -59,7 +59,7 @@ module ActiveRecord # attribute methods. generated_attribute_methods.synchronize do return false if @attribute_methods_generated - superclass.define_attribute_methods unless self == base_class + superclass.define_attribute_methods unless base_class? super(attribute_names) @attribute_methods_generated = true end diff --git a/activerecord/lib/active_record/attribute_methods/primary_key.rb b/activerecord/lib/active_record/attribute_methods/primary_key.rb index 2907547634..9b267bb7c0 100644 --- a/activerecord/lib/active_record/attribute_methods/primary_key.rb +++ b/activerecord/lib/active_record/attribute_methods/primary_key.rb @@ -83,7 +83,7 @@ module ActiveRecord end def reset_primary_key #:nodoc: - if self == base_class + if base_class? self.primary_key = get_primary_key(base_class.name) else self.primary_key = base_class.primary_key diff --git a/activerecord/lib/active_record/inheritance.rb b/activerecord/lib/active_record/inheritance.rb index 208ba95c52..6891c575c7 100644 --- a/activerecord/lib/active_record/inheritance.rb +++ b/activerecord/lib/active_record/inheritance.rb @@ -55,7 +55,7 @@ module ActiveRecord if has_attribute?(inheritance_column) subclass = subclass_from_attributes(attributes) - if subclass.nil? && base_class == self + if subclass.nil? && base_class? subclass = subclass_from_attributes(column_defaults) end end @@ -104,6 +104,12 @@ module ActiveRecord end end + # Returns whether the class is a base class. + # See #base_class for more information. + def base_class? + base_class == self + end + # Set this to +true+ if this is an abstract class (see # abstract_class?). # If you are using inheritance with Active Record and don't want a class diff --git a/activerecord/lib/active_record/model_schema.rb b/activerecord/lib/active_record/model_schema.rb index b04dc04899..694ff85fa1 100644 --- a/activerecord/lib/active_record/model_schema.rb +++ b/activerecord/lib/active_record/model_schema.rb @@ -276,7 +276,7 @@ module ActiveRecord end def sequence_name - if base_class == self + if base_class? @sequence_name ||= reset_sequence_name else (@sequence_name ||= nil) || base_class.sequence_name @@ -501,8 +501,7 @@ module ActiveRecord # Computes and returns a table name according to default conventions. def compute_table_name - base = base_class - if self == base + if base_class? # Nested classes are prefixed with singular parent table name. if parent < Base && !parent.abstract_class? contained = parent.table_name @@ -513,7 +512,7 @@ module ActiveRecord "#{full_table_name_prefix}#{contained}#{undecorated_table_name(name)}#{full_table_name_suffix}" else # STI subclasses always use their superclass' table. - base.table_name + base_class.table_name end end end diff --git a/activerecord/lib/active_record/translation.rb b/activerecord/lib/active_record/translation.rb index 3cf70eafb8..82661a328a 100644 --- a/activerecord/lib/active_record/translation.rb +++ b/activerecord/lib/active_record/translation.rb @@ -10,7 +10,7 @@ module ActiveRecord classes = [klass] return classes if klass == ActiveRecord::Base - while klass != klass.base_class + while !klass.base_class? classes << klass = klass.superclass end classes diff --git a/activerecord/test/cases/attribute_methods/read_test.rb b/activerecord/test/cases/attribute_methods/read_test.rb index 0170a6e98d..54512068ee 100644 --- a/activerecord/test/cases/attribute_methods/read_test.rb +++ b/activerecord/test/cases/attribute_methods/read_test.rb @@ -12,7 +12,7 @@ module ActiveRecord def setup @klass = Class.new(Class.new { def self.initialize_generated_modules; end }) do def self.superclass; Base; end - def self.base_class; self; end + def self.base_class?; true; end def self.decorate_matching_attribute_types(*); end include ActiveRecord::DefineCallbacks diff --git a/activerecord/test/cases/inheritance_test.rb b/activerecord/test/cases/inheritance_test.rb index e3ca79af99..7a5c06b894 100644 --- a/activerecord/test/cases/inheritance_test.rb +++ b/activerecord/test/cases/inheritance_test.rb @@ -174,17 +174,26 @@ class InheritanceTest < ActiveRecord::TestCase def test_inheritance_base_class assert_equal Post, Post.base_class + assert_predicate Post, :base_class? assert_equal Post, SpecialPost.base_class + assert_not_predicate SpecialPost, :base_class? assert_equal Post, StiPost.base_class + assert_not_predicate StiPost, :base_class? assert_equal Post, SubStiPost.base_class + assert_not_predicate SubStiPost, :base_class? assert_equal SubAbstractStiPost, SubAbstractStiPost.base_class + assert_predicate SubAbstractStiPost, :base_class? end def test_abstract_inheritance_base_class assert_equal LoosePerson, LoosePerson.base_class + assert_predicate LoosePerson, :base_class? assert_equal LooseDescendant, LooseDescendant.base_class + assert_predicate LooseDescendant, :base_class? assert_equal TightPerson, TightPerson.base_class + assert_predicate TightPerson, :base_class? assert_equal TightPerson, TightDescendant.base_class + assert_not_predicate TightDescendant, :base_class? end def test_base_class_activerecord_error -- cgit v1.2.3