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262 lines
9.1 KiB
Ruby
262 lines
9.1 KiB
Ruby
require "cases/helper"
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require 'models/company'
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require 'models/project'
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require 'models/subscriber'
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class InheritanceTest < ActiveRecord::TestCase
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fixtures :companies, :projects, :subscribers, :accounts
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def test_class_with_store_full_sti_class_returns_full_name
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old = ActiveRecord::Base.store_full_sti_class
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ActiveRecord::Base.store_full_sti_class = true
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assert_equal 'Namespaced::Company', Namespaced::Company.sti_name
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ensure
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ActiveRecord::Base.store_full_sti_class = old
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end
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def test_class_without_store_full_sti_class_returns_demodulized_name
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old = ActiveRecord::Base.store_full_sti_class
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ActiveRecord::Base.store_full_sti_class = false
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assert_equal 'Company', Namespaced::Company.sti_name
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ensure
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ActiveRecord::Base.store_full_sti_class = old
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end
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def test_should_store_demodulized_class_name_with_store_full_sti_class_option_disabled
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old = ActiveRecord::Base.store_full_sti_class
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ActiveRecord::Base.store_full_sti_class = false
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item = Namespaced::Company.new
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assert_equal 'Company', item[:type]
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ensure
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ActiveRecord::Base.store_full_sti_class = old
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end
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def test_should_store_full_class_name_with_store_full_sti_class_option_enabled
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old = ActiveRecord::Base.store_full_sti_class
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ActiveRecord::Base.store_full_sti_class = true
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item = Namespaced::Company.new
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assert_equal 'Namespaced::Company', item[:type]
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ensure
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ActiveRecord::Base.store_full_sti_class = old
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end
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def test_different_namespace_subclass_should_load_correctly_with_store_full_sti_class_option
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old = ActiveRecord::Base.store_full_sti_class
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ActiveRecord::Base.store_full_sti_class = true
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item = Namespaced::Company.create :name => "Wolverine 2"
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assert_not_nil Company.find(item.id)
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assert_not_nil Namespaced::Company.find(item.id)
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ensure
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ActiveRecord::Base.store_full_sti_class = old
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end
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def test_company_descends_from_active_record
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assert_raise(NoMethodError) { ActiveRecord::Base.descends_from_active_record? }
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assert AbstractCompany.descends_from_active_record?, 'AbstractCompany should descend from ActiveRecord::Base'
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assert Company.descends_from_active_record?, 'Company should descend from ActiveRecord::Base'
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assert !Class.new(Company).descends_from_active_record?, 'Company subclass should not descend from ActiveRecord::Base'
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end
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def test_a_bad_type_column
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#SQLServer need to turn Identity Insert On before manually inserting into the Identity column
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if current_adapter?(:SybaseAdapter)
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Company.connection.execute "SET IDENTITY_INSERT companies ON"
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end
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Company.connection.insert "INSERT INTO companies (id, #{QUOTED_TYPE}, name) VALUES(100, 'bad_class!', 'Not happening')"
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#We then need to turn it back Off before continuing.
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if current_adapter?(:SybaseAdapter)
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Company.connection.execute "SET IDENTITY_INSERT companies OFF"
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end
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assert_raises(ActiveRecord::SubclassNotFound) { Company.find(100) }
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end
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def test_inheritance_find
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assert Company.find(1).kind_of?(Firm), "37signals should be a firm"
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assert Firm.find(1).kind_of?(Firm), "37signals should be a firm"
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assert Company.find(2).kind_of?(Client), "Summit should be a client"
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assert Client.find(2).kind_of?(Client), "Summit should be a client"
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end
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def test_alt_inheritance_find
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switch_to_alt_inheritance_column
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test_inheritance_find
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switch_to_default_inheritance_column
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end
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def test_inheritance_find_all
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companies = Company.find(:all, :order => 'id')
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assert companies[0].kind_of?(Firm), "37signals should be a firm"
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assert companies[1].kind_of?(Client), "Summit should be a client"
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end
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def test_alt_inheritance_find_all
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switch_to_alt_inheritance_column
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test_inheritance_find_all
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switch_to_default_inheritance_column
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end
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def test_inheritance_save
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firm = Firm.new
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firm.name = "Next Angle"
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firm.save
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next_angle = Company.find(firm.id)
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assert next_angle.kind_of?(Firm), "Next Angle should be a firm"
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end
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def test_alt_inheritance_save
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switch_to_alt_inheritance_column
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test_inheritance_save
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switch_to_default_inheritance_column
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end
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def test_inheritance_condition
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assert_equal 9, Company.count
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assert_equal 2, Firm.count
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assert_equal 3, Client.count
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end
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def test_alt_inheritance_condition
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switch_to_alt_inheritance_column
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test_inheritance_condition
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switch_to_default_inheritance_column
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end
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def test_finding_incorrect_type_data
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assert_raises(ActiveRecord::RecordNotFound) { Firm.find(2) }
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assert_nothing_raised { Firm.find(1) }
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end
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def test_alt_finding_incorrect_type_data
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switch_to_alt_inheritance_column
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test_finding_incorrect_type_data
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switch_to_default_inheritance_column
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end
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def test_update_all_within_inheritance
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Client.update_all "name = 'I am a client'"
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assert_equal "I am a client", Client.find(:all).first.name
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assert_equal "37signals", Firm.find(:all).first.name
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end
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def test_alt_update_all_within_inheritance
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switch_to_alt_inheritance_column
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test_update_all_within_inheritance
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switch_to_default_inheritance_column
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end
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def test_destroy_all_within_inheritance
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Client.destroy_all
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assert_equal 0, Client.count
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assert_equal 2, Firm.count
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end
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def test_alt_destroy_all_within_inheritance
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switch_to_alt_inheritance_column
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test_destroy_all_within_inheritance
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switch_to_default_inheritance_column
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end
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def test_find_first_within_inheritance
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assert_kind_of Firm, Company.find(:first, :conditions => "name = '37signals'")
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assert_kind_of Firm, Firm.find(:first, :conditions => "name = '37signals'")
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assert_nil Client.find(:first, :conditions => "name = '37signals'")
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end
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def test_alt_find_first_within_inheritance
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switch_to_alt_inheritance_column
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test_find_first_within_inheritance
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switch_to_default_inheritance_column
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end
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def test_complex_inheritance
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very_special_client = VerySpecialClient.create("name" => "veryspecial")
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assert_equal very_special_client, VerySpecialClient.find(:first, :conditions => "name = 'veryspecial'")
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assert_equal very_special_client, SpecialClient.find(:first, :conditions => "name = 'veryspecial'")
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assert_equal very_special_client, Company.find(:first, :conditions => "name = 'veryspecial'")
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assert_equal very_special_client, Client.find(:first, :conditions => "name = 'veryspecial'")
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assert_equal 1, Client.find(:all, :conditions => "name = 'Summit'").size
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assert_equal very_special_client, Client.find(very_special_client.id)
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end
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def test_alt_complex_inheritance
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switch_to_alt_inheritance_column
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test_complex_inheritance
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switch_to_default_inheritance_column
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end
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def test_eager_load_belongs_to_something_inherited
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account = Account.find(1, :include => :firm)
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assert_not_nil account.instance_variable_get("@firm"), "nil proves eager load failed"
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end
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def test_eager_load_belongs_to_primary_key_quoting
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con = Account.connection
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assert_sql(/\(#{con.quote_table_name('companies')}.#{con.quote_column_name('id')} = 1\)/) do
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Account.find(1, :include => :firm)
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end
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end
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def test_alt_eager_loading
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switch_to_alt_inheritance_column
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test_eager_load_belongs_to_something_inherited
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switch_to_default_inheritance_column
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end
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def test_inheritance_without_mapping
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assert_kind_of SpecialSubscriber, SpecialSubscriber.find("webster132")
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assert_nothing_raised { s = SpecialSubscriber.new("name" => "And breaaaaathe!"); s.id = 'roger'; s.save }
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end
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private
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def switch_to_alt_inheritance_column
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# we don't want misleading test results, so get rid of the values in the type column
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Company.find(:all, :order => 'id').each do |c|
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c['type'] = nil
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c.save
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end
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[ Company, Firm, Client].each { |klass| klass.reset_column_information }
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Company.set_inheritance_column('ruby_type')
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end
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def switch_to_default_inheritance_column
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[ Company, Firm, Client].each { |klass| klass.reset_column_information }
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Company.set_inheritance_column('type')
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end
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end
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class InheritanceComputeTypeTest < ActiveRecord::TestCase
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fixtures :companies
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def setup
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ActiveSupport::Dependencies.log_activity = true
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end
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def teardown
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ActiveSupport::Dependencies.log_activity = false
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self.class.const_remove :FirmOnTheFly rescue nil
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Firm.const_remove :FirmOnTheFly rescue nil
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end
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def test_instantiation_doesnt_try_to_require_corresponding_file
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foo = Firm.find(:first).clone
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foo.ruby_type = foo.type = 'FirmOnTheFly'
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foo.save!
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# Should fail without FirmOnTheFly in the type condition.
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assert_raise(ActiveRecord::RecordNotFound) { Firm.find(foo.id) }
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# Nest FirmOnTheFly in the test case where Dependencies won't see it.
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self.class.const_set :FirmOnTheFly, Class.new(Firm)
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assert_raise(ActiveRecord::SubclassNotFound) { Firm.find(foo.id) }
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# Nest FirmOnTheFly in Firm where Dependencies will see it.
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# This is analogous to nesting models in a migration.
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Firm.const_set :FirmOnTheFly, Class.new(Firm)
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# And instantiate will find the existing constant rather than trying
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# to require firm_on_the_fly.
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assert_nothing_raised { assert_kind_of Firm::FirmOnTheFly, Firm.find(foo.id) }
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end
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end
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