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require "cases/helper"
require 'models/company'
require 'models/project'
require 'models/subscriber'
require 'models/vegetables'
class InheritanceTest < ActiveRecord::TestCase
fixtures :companies, :projects, :subscribers, :accounts, :vegetables
def test_class_with_store_full_sti_class_returns_full_name
old = ActiveRecord::Base.store_full_sti_class
ActiveRecord::Base.store_full_sti_class = true
assert_equal 'Namespaced::Company', Namespaced::Company.sti_name
ensure
ActiveRecord::Base.store_full_sti_class = old
end
def test_class_with_blank_sti_name
company = Company.find(:first)
company = company.dup
company.extend(Module.new {
def read_attribute(name)
return ' ' if name == 'type'
super
end
})
company.save!
company = Company.find(:all).find { |x| x.id == company.id }
assert_equal ' ', company.type
end
def test_class_without_store_full_sti_class_returns_demodulized_name
old = ActiveRecord::Base.store_full_sti_class
ActiveRecord::Base.store_full_sti_class = false
assert_equal 'Company', Namespaced::Company.sti_name
ensure
ActiveRecord::Base.store_full_sti_class = old
end
def test_should_store_demodulized_class_name_with_store_full_sti_class_option_disabled
old = ActiveRecord::Base.store_full_sti_class
ActiveRecord::Base.store_full_sti_class = false
item = Namespaced::Company.new
assert_equal 'Company', item[:type]
ensure
ActiveRecord::Base.store_full_sti_class = old
end
def test_should_store_full_class_name_with_store_full_sti_class_option_enabled
old = ActiveRecord::Base.store_full_sti_class
ActiveRecord::Base.store_full_sti_class = true
item = Namespaced::Company.new
assert_equal 'Namespaced::Company', item[:type]
ensure
ActiveRecord::Base.store_full_sti_class = old
end
def test_different_namespace_subclass_should_load_correctly_with_store_full_sti_class_option
old = ActiveRecord::Base.store_full_sti_class
ActiveRecord::Base.store_full_sti_class = true
item = Namespaced::Company.create :name => "Wolverine 2"
assert_not_nil Company.find(item.id)
assert_not_nil Namespaced::Company.find(item.id)
ensure
ActiveRecord::Base.store_full_sti_class = old
end
def test_company_descends_from_active_record
assert_raise(NoMethodError) { ActiveRecord::Base.descends_from_active_record? }
assert AbstractCompany.descends_from_active_record?, 'AbstractCompany should descend from ActiveRecord::Base'
assert Company.descends_from_active_record?, 'Company should descend from ActiveRecord::Base'
assert !Class.new(Company).descends_from_active_record?, 'Company subclass should not descend from ActiveRecord::Base'
end
def test_a_bad_type_column
#SQLServer need to turn Identity Insert On before manually inserting into the Identity column
if current_adapter?(:SybaseAdapter)
Company.connection.execute "SET IDENTITY_INSERT companies ON"
end
Company.connection.insert "INSERT INTO companies (id, #{QUOTED_TYPE}, name) VALUES(100, 'bad_class!', 'Not happening')"
#We then need to turn it back Off before continuing.
if current_adapter?(:SybaseAdapter)
Company.connection.execute "SET IDENTITY_INSERT companies OFF"
end
assert_raise(ActiveRecord::SubclassNotFound) { Company.find(100) }
end
def test_inheritance_find
assert_kind_of Firm, Company.find(1), "37signals should be a firm"
assert_kind_of Firm, Firm.find(1), "37signals should be a firm"
assert_kind_of Client, Company.find(2), "Summit should be a client"
assert_kind_of Client, Client.find(2), "Summit should be a client"
end
def test_alt_inheritance_find
switch_to_alt_inheritance_column
test_inheritance_find
switch_to_default_inheritance_column
end
def test_alt_becomes_works_with_sti
vegetable = Vegetable.find(1)
assert_kind_of Vegetable, vegetable
cabbage = vegetable.becomes(Cabbage)
assert_kind_of Cabbage, cabbage
end
def test_inheritance_find_all
companies = Company.find(:all, :order => 'id')
assert_kind_of Firm, companies[0], "37signals should be a firm"
assert_kind_of Client, companies[1], "Summit should be a client"
end
def test_alt_inheritance_find_all
switch_to_alt_inheritance_column
test_inheritance_find_all
switch_to_default_inheritance_column
end
def test_inheritance_save
firm = Firm.new
firm.name = "Next Angle"
firm.save
next_angle = Company.find(firm.id)
assert_kind_of Firm, next_angle, "Next Angle should be a firm"
end
def test_alt_inheritance_save
switch_to_alt_inheritance_column
test_inheritance_save
switch_to_default_inheritance_column
end
def test_inheritance_condition
assert_equal 10, Company.count
assert_equal 2, Firm.count
assert_equal 4, Client.count
end
def test_alt_inheritance_condition
switch_to_alt_inheritance_column
test_inheritance_condition
switch_to_default_inheritance_column
end
def test_finding_incorrect_type_data
assert_raise(ActiveRecord::RecordNotFound) { Firm.find(2) }
assert_nothing_raised { Firm.find(1) }
end
def test_alt_finding_incorrect_type_data
switch_to_alt_inheritance_column
test_finding_incorrect_type_data
switch_to_default_inheritance_column
end
def test_update_all_within_inheritance
Client.update_all "name = 'I am a client'"
assert_equal "I am a client", Client.find(:all).first.name
# Order by added as otherwise Oracle tests were failing because of different order of results
assert_equal "37signals", Firm.find(:all, :order => "id").first.name
end
def test_alt_update_all_within_inheritance
switch_to_alt_inheritance_column
test_update_all_within_inheritance
switch_to_default_inheritance_column
end
def test_destroy_all_within_inheritance
Client.destroy_all
assert_equal 0, Client.count
assert_equal 2, Firm.count
end
def test_alt_destroy_all_within_inheritance
switch_to_alt_inheritance_column
test_destroy_all_within_inheritance
switch_to_default_inheritance_column
end
def test_find_first_within_inheritance
assert_kind_of Firm, Company.find(:first, :conditions => "name = '37signals'")
assert_kind_of Firm, Firm.find(:first, :conditions => "name = '37signals'")
assert_nil Client.find(:first, :conditions => "name = '37signals'")
end
def test_alt_find_first_within_inheritance
switch_to_alt_inheritance_column
test_find_first_within_inheritance
switch_to_default_inheritance_column
end
def test_complex_inheritance
very_special_client = VerySpecialClient.create("name" => "veryspecial")
assert_equal very_special_client, VerySpecialClient.where("name = 'veryspecial'").first
assert_equal very_special_client, SpecialClient.find(:first, :conditions => "name = 'veryspecial'")
assert_equal very_special_client, Company.find(:first, :conditions => "name = 'veryspecial'")
assert_equal very_special_client, Client.find(:first, :conditions => "name = 'veryspecial'")
assert_equal 1, Client.find(:all, :conditions => "name = 'Summit'").size
assert_equal very_special_client, Client.find(very_special_client.id)
end
def test_alt_complex_inheritance
switch_to_alt_inheritance_column
test_complex_inheritance
switch_to_default_inheritance_column
end
def test_eager_load_belongs_to_something_inherited
account = Account.find(1, :include => :firm)
assert account.association_cache.key?(:firm), "nil proves eager load failed"
end
def test_eager_load_belongs_to_primary_key_quoting
con = Account.connection
assert_sql(/#{con.quote_table_name('companies')}.#{con.quote_column_name('id')} IN \(1\)/) do
Account.find(1, :include => :firm)
end
end
def test_alt_eager_loading
switch_to_alt_inheritance_column
test_eager_load_belongs_to_something_inherited
switch_to_default_inheritance_column
end
def test_inherits_custom_primary_key
assert_equal Subscriber.primary_key, SpecialSubscriber.primary_key
end
def test_inheritance_without_mapping
assert_kind_of SpecialSubscriber, SpecialSubscriber.find("webster132")
assert_nothing_raised { s = SpecialSubscriber.new("name" => "And breaaaaathe!"); s.id = 'roger'; s.save }
end
def test_scope_inherited_properly
assert_nothing_raised { Company.of_first_firm }
assert_nothing_raised { Client.of_first_firm }
end
private
def switch_to_alt_inheritance_column
# we don't want misleading test results, so get rid of the values in the type column
Company.find(:all, :order => 'id').each do |c|
c['type'] = nil
c.save
end
[ Company, Firm, Client].each { |klass| klass.reset_column_information }
Company.inheritance_column = 'ruby_type'
end
def switch_to_default_inheritance_column
[ Company, Firm, Client].each { |klass| klass.reset_column_information }
Company.inheritance_column = 'type'
end
end
class InheritanceComputeTypeTest < ActiveRecord::TestCase
fixtures :companies
def setup
ActiveSupport::Dependencies.log_activity = true
end
def teardown
ActiveSupport::Dependencies.log_activity = false
self.class.const_remove :FirmOnTheFly rescue nil
Firm.const_remove :FirmOnTheFly rescue nil
end
def test_instantiation_doesnt_try_to_require_corresponding_file
ActiveRecord::Base.store_full_sti_class = false
foo = Firm.find(:first).clone
foo.ruby_type = foo.type = 'FirmOnTheFly'
foo.save!
# Should fail without FirmOnTheFly in the type condition.
assert_raise(ActiveRecord::RecordNotFound) { Firm.find(foo.id) }
# Nest FirmOnTheFly in the test case where Dependencies won't see it.
self.class.const_set :FirmOnTheFly, Class.new(Firm)
assert_raise(ActiveRecord::SubclassNotFound) { Firm.find(foo.id) }
# Nest FirmOnTheFly in Firm where Dependencies will see it.
# This is analogous to nesting models in a migration.
Firm.const_set :FirmOnTheFly, Class.new(Firm)
# And instantiate will find the existing constant rather than trying
# to require firm_on_the_fly.
assert_nothing_raised { assert_kind_of Firm::FirmOnTheFly, Firm.find(foo.id) }
ensure
ActiveRecord::Base.store_full_sti_class = true
end
end
class GlobalInheritanceColumnTest < ActiveRecord::TestCase
fixtures :companies
setup do
@inheritance_column = ActiveRecord::Base.inheritance_column
end
teardown do
ActiveRecord::Base.inheritance_column = @inheritance_column
end
def test_changing_global_inheritance_column
ActiveRecord::Base.inheritance_column = 'ruby_type'
firm = Firm.create('name' => 'FirmWithAltInheritanceColumn')
assert_equal 'Firm', firm.ruby_type
assert_equal 'ruby_type', Company.inheritance_column
assert_equal 'ruby_type', Firm.inheritance_column
end
end
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