/vendor/rails/activerecord/test/associations_test.rb
Ruby | 1809 lines | 1524 code | 271 blank | 14 comment | 7 complexity | 50e5a90b0a2c3cd00dffa3167d900fbf MD5 | raw file
Possible License(s): Apache-2.0
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- require 'abstract_unit'
- require 'fixtures/developer'
- require 'fixtures/project'
- require 'fixtures/company'
- require 'fixtures/topic'
- require 'fixtures/reply'
- require 'fixtures/computer'
- require 'fixtures/customer'
- require 'fixtures/order'
- require 'fixtures/category'
- require 'fixtures/post'
- require 'fixtures/author'
- class AssociationsTest < Test::Unit::TestCase
- fixtures :accounts, :companies, :developers, :projects, :developers_projects,
- :computers
- def test_bad_collection_keys
- assert_raise(ArgumentError, 'ActiveRecord should have barked on bad collection keys') do
- Class.new(ActiveRecord::Base).has_many(:wheels, :name => 'wheels')
- end
- end
- def test_force_reload
- firm = Firm.new("name" => "A New Firm, Inc")
- firm.save
- firm.clients.each {|c|} # forcing to load all clients
- assert firm.clients.empty?, "New firm shouldn't have client objects"
- assert_deprecated do
- assert !firm.has_clients?, "New firm shouldn't have clients"
- end
- assert_equal 0, firm.clients.size, "New firm should have 0 clients"
- client = Client.new("name" => "TheClient.com", "firm_id" => firm.id)
- client.save
- assert firm.clients.empty?, "New firm should have cached no client objects"
- assert_deprecated do
- assert !firm.has_clients?, "New firm should have cached a no-clients response"
- end
- assert_equal 0, firm.clients.size, "New firm should have cached 0 clients count"
- assert !firm.clients(true).empty?, "New firm should have reloaded client objects"
- assert_equal 1, firm.clients(true).size, "New firm should have reloaded clients count"
- end
- def test_storing_in_pstore
- require "tmpdir"
- store_filename = File.join(Dir.tmpdir, "ar-pstore-association-test")
- File.delete(store_filename) if File.exists?(store_filename)
- require "pstore"
- apple = Firm.create("name" => "Apple")
- natural = Client.new("name" => "Natural Company")
- apple.clients << natural
- db = PStore.new(store_filename)
- db.transaction do
- db["apple"] = apple
- end
- db = PStore.new(store_filename)
- db.transaction do
- assert_equal "Natural Company", db["apple"].clients.first.name
- end
- end
- end
- class AssociationProxyTest < Test::Unit::TestCase
- fixtures :authors, :posts
-
- def test_proxy_accessors
- welcome = posts(:welcome)
- assert_equal welcome, welcome.author.proxy_owner
- assert_equal welcome.class.reflect_on_association(:author), welcome.author.proxy_reflection
- welcome.author.class # force load target
- assert_equal welcome.author, welcome.author.proxy_target
- david = authors(:david)
- assert_equal david, david.posts.proxy_owner
- assert_equal david.class.reflect_on_association(:posts), david.posts.proxy_reflection
- david.posts.first # force load target
- assert_equal david.posts, david.posts.proxy_target
-
- assert_equal david, david.posts_with_extension.testing_proxy_owner
- assert_equal david.class.reflect_on_association(:posts_with_extension), david.posts_with_extension.testing_proxy_reflection
- david.posts_with_extension.first # force load target
- assert_equal david.posts_with_extension, david.posts_with_extension.testing_proxy_target
- end
- end
- class HasOneAssociationsTest < Test::Unit::TestCase
- fixtures :accounts, :companies, :developers, :projects, :developers_projects
-
- def setup
- Account.destroyed_account_ids.clear
- end
-
- def test_has_one
- assert_equal companies(:first_firm).account, Account.find(1)
- assert_equal Account.find(1).credit_limit, companies(:first_firm).account.credit_limit
- end
- def test_has_one_cache_nils
- firm = companies(:another_firm)
- assert_queries(1) { assert_nil firm.account }
- assert_queries(0) { assert_nil firm.account }
- firms = Firm.find(:all, :include => :account)
- assert_queries(0) { firms.each(&:account) }
- end
- def test_can_marshal_has_one_association_with_nil_target
- firm = Firm.new
- assert_nothing_raised do
- assert_equal firm.attributes, Marshal.load(Marshal.dump(firm)).attributes
- end
- firm.account
- assert_nothing_raised do
- assert_equal firm.attributes, Marshal.load(Marshal.dump(firm)).attributes
- end
- end
- def test_proxy_assignment
- company = companies(:first_firm)
- assert_nothing_raised { company.account = company.account }
- end
- def test_triple_equality
- assert Account === companies(:first_firm).account
- assert companies(:first_firm).account === Account
- end
- def test_type_mismatch
- assert_raises(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).account = 1 }
- assert_raises(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).account = Project.find(1) }
- end
- def test_natural_assignment
- apple = Firm.create("name" => "Apple")
- citibank = Account.create("credit_limit" => 10)
- apple.account = citibank
- assert_equal apple.id, citibank.firm_id
- end
-
- def test_natural_assignment_to_nil
- old_account_id = companies(:first_firm).account.id
- companies(:first_firm).account = nil
- companies(:first_firm).save
- assert_nil companies(:first_firm).account
- # account is dependent, therefore is destroyed when reference to owner is lost
- assert_raises(ActiveRecord::RecordNotFound) { Account.find(old_account_id) }
- end
-
- def test_assignment_without_replacement
- apple = Firm.create("name" => "Apple")
- citibank = Account.create("credit_limit" => 10)
- apple.account = citibank
- assert_equal apple.id, citibank.firm_id
-
- hsbc = apple.build_account({ :credit_limit => 20}, false)
- assert_equal apple.id, hsbc.firm_id
- hsbc.save
- assert_equal apple.id, citibank.firm_id
- nykredit = apple.create_account({ :credit_limit => 30}, false)
- assert_equal apple.id, nykredit.firm_id
- assert_equal apple.id, citibank.firm_id
- assert_equal apple.id, hsbc.firm_id
- end
- def test_assignment_without_replacement_on_create
- apple = Firm.create("name" => "Apple")
- citibank = Account.create("credit_limit" => 10)
- apple.account = citibank
- assert_equal apple.id, citibank.firm_id
-
- hsbc = apple.create_account({:credit_limit => 10}, false)
- assert_equal apple.id, hsbc.firm_id
- hsbc.save
- assert_equal apple.id, citibank.firm_id
- end
- def test_dependence
- num_accounts = Account.count
- firm = Firm.find(1)
- assert !firm.account.nil?
- account_id = firm.account.id
- assert_equal [], Account.destroyed_account_ids[firm.id]
- firm.destroy
- assert_equal num_accounts - 1, Account.count
- assert_equal [account_id], Account.destroyed_account_ids[firm.id]
- end
- def test_deprecated_exclusive_dependence
- assert_deprecated(/:exclusively_dependent.*:dependent => :delete_all/) do
- Firm.has_many :deprecated_exclusively_dependent_clients, :class_name => 'Client', :exclusively_dependent => true
- end
- end
- def test_exclusive_dependence
- num_accounts = Account.count
- firm = ExclusivelyDependentFirm.find(9)
- assert !firm.account.nil?
- account_id = firm.account.id
- assert_equal [], Account.destroyed_account_ids[firm.id]
- firm.destroy
- assert_equal num_accounts - 1, Account.count
- assert_equal [], Account.destroyed_account_ids[firm.id]
- end
- def test_dependence_with_nil_associate
- firm = DependentFirm.new(:name => 'nullify')
- firm.save!
- assert_nothing_raised { firm.destroy }
- end
- def test_succesful_build_association
- firm = Firm.new("name" => "GlobalMegaCorp")
- firm.save
- account = firm.build_account("credit_limit" => 1000)
- assert account.save
- assert_equal account, firm.account
- end
- def test_failing_build_association
- firm = Firm.new("name" => "GlobalMegaCorp")
- firm.save
- account = firm.build_account
- assert !account.save
- assert_equal "can't be empty", account.errors.on("credit_limit")
- end
- def test_build_association_twice_without_saving_affects_nothing
- count_of_account = Account.count
- firm = Firm.find(:first)
- account1 = firm.build_account("credit_limit" => 1000)
- account2 = firm.build_account("credit_limit" => 2000)
- assert_equal count_of_account, Account.count
- end
- def test_create_association
- firm = Firm.new("name" => "GlobalMegaCorp")
- firm.save
- assert_equal firm.create_account("credit_limit" => 1000), firm.account
- end
- def test_build
- firm = Firm.new("name" => "GlobalMegaCorp")
- firm.save
- firm.account = account = Account.new("credit_limit" => 1000)
- assert_equal account, firm.account
- assert account.save
- assert_equal account, firm.account
- end
- def test_build_before_child_saved
- firm = Firm.find(1)
- account = firm.account.build("credit_limit" => 1000)
- assert_equal account, firm.account
- assert account.new_record?
- assert firm.save
- assert_equal account, firm.account
- assert !account.new_record?
- end
- def test_build_before_either_saved
- firm = Firm.new("name" => "GlobalMegaCorp")
- firm.account = account = Account.new("credit_limit" => 1000)
- assert_equal account, firm.account
- assert account.new_record?
- assert firm.save
- assert_equal account, firm.account
- assert !account.new_record?
- end
- def test_failing_build_association
- firm = Firm.new("name" => "GlobalMegaCorp")
- firm.save
-
- firm.account = account = Account.new
- assert_equal account, firm.account
- assert !account.save
- assert_equal account, firm.account
- assert_equal "can't be empty", account.errors.on("credit_limit")
- end
- def test_create
- firm = Firm.new("name" => "GlobalMegaCorp")
- firm.save
- firm.account = account = Account.create("credit_limit" => 1000)
- assert_equal account, firm.account
- end
- def test_create_before_save
- firm = Firm.new("name" => "GlobalMegaCorp")
- firm.account = account = Account.create("credit_limit" => 1000)
- assert_equal account, firm.account
- end
- def test_dependence_with_missing_association
- Account.destroy_all
- firm = Firm.find(1)
- assert firm.account.nil?
- firm.destroy
- end
- def test_assignment_before_parent_saved
- firm = Firm.new("name" => "GlobalMegaCorp")
- firm.account = a = Account.find(1)
- assert firm.new_record?
- assert_equal a, firm.account
- assert firm.save
- assert_equal a, firm.account
- assert_equal a, firm.account(true)
- end
- def test_finding_with_interpolated_condition
- firm = Firm.find(:first)
- superior = firm.clients.create(:name => 'SuperiorCo')
- superior.rating = 10
- superior.save
- assert_equal 10, firm.clients_with_interpolated_conditions.first.rating
- end
- def test_assignment_before_child_saved
- firm = Firm.find(1)
- firm.account = a = Account.new("credit_limit" => 1000)
- assert !a.new_record?
- assert_equal a, firm.account
- assert_equal a, firm.account
- assert_equal a, firm.account(true)
- end
- def test_assignment_before_either_saved
- firm = Firm.new("name" => "GlobalMegaCorp")
- firm.account = a = Account.new("credit_limit" => 1000)
- assert firm.new_record?
- assert a.new_record?
- assert_equal a, firm.account
- assert firm.save
- assert !firm.new_record?
- assert !a.new_record?
- assert_equal a, firm.account
- assert_equal a, firm.account(true)
- end
- def test_not_resaved_when_unchanged
- firm = Firm.find(:first, :include => :account)
- assert_queries(1) { firm.save! }
- firm = Firm.find(:first)
- firm.account = Account.find(:first)
- assert_queries(1) { firm.save! }
- firm = Firm.find(:first).clone
- firm.account = Account.find(:first)
- assert_queries(2) { firm.save! }
- firm = Firm.find(:first).clone
- firm.account = Account.find(:first).clone
- assert_queries(2) { firm.save! }
- end
-
- def test_save_still_works_after_accessing_nil_has_one
- jp = Company.new :name => 'Jaded Pixel'
- jp.dummy_account.nil?
-
- assert_nothing_raised do
- jp.save!
- end
- end
-
- def test_deprecated_inferred_foreign_key
- assert_not_deprecated { Company.belongs_to :firm }
- assert_not_deprecated { Company.belongs_to :client, :foreign_key => "firm_id" }
- assert_not_deprecated { Company.belongs_to :firm, :class_name => "Firm", :foreign_key => "client_of" }
- assert_deprecated("inferred foreign_key name") { Company.belongs_to :client, :class_name => "Firm" }
- end
- end
- class HasManyAssociationsTest < Test::Unit::TestCase
- fixtures :accounts, :companies, :developers, :projects,
- :developers_projects, :topics
- def setup
- Client.destroyed_client_ids.clear
- end
- def force_signal37_to_load_all_clients_of_firm
- companies(:first_firm).clients_of_firm.each {|f| }
- end
- def test_counting_with_counter_sql
- assert_equal 2, Firm.find(:first).clients.count
- end
- def test_counting
- assert_equal 2, Firm.find(:first).plain_clients.count
- end
- def test_counting_with_single_conditions
- assert_deprecated 'count' do
- assert_equal 2, Firm.find(:first).plain_clients.count('1=1')
- end
- end
- def test_counting_with_single_hash
- assert_equal 2, Firm.find(:first).plain_clients.count(:conditions => '1=1')
- end
- def test_counting_with_column_name_and_hash
- assert_equal 2, Firm.find(:first).plain_clients.count(:all, :conditions => '1=1')
- end
- def test_finding
- assert_equal 2, Firm.find(:first).clients.length
- end
- def test_find_many_with_merged_options
- assert_equal 1, companies(:first_firm).limited_clients.size
- assert_equal 1, companies(:first_firm).limited_clients.find(:all).size
- assert_equal 2, companies(:first_firm).limited_clients.find(:all, :limit => nil).size
- end
- def test_triple_equality
- assert !(Array === Firm.find(:first).clients)
- assert Firm.find(:first).clients === Array
- end
- def test_finding_default_orders
- assert_equal "Summit", Firm.find(:first).clients.first.name
- end
- def test_finding_with_different_class_name_and_order
- assert_equal "Microsoft", Firm.find(:first).clients_sorted_desc.first.name
- end
- def test_finding_with_foreign_key
- assert_equal "Microsoft", Firm.find(:first).clients_of_firm.first.name
- end
- def test_finding_with_condition
- assert_equal "Microsoft", Firm.find(:first).clients_like_ms.first.name
- end
- def test_finding_with_condition_hash
- assert_equal "Microsoft", Firm.find(:first).clients_like_ms_with_hash_conditions.first.name
- end
- def test_finding_using_sql
- firm = Firm.find(:first)
- first_client = firm.clients_using_sql.first
- assert_not_nil first_client
- assert_equal "Microsoft", first_client.name
- assert_equal 1, firm.clients_using_sql.size
- assert_equal 1, Firm.find(:first).clients_using_sql.size
- end
- def test_counting_using_sql
- assert_equal 1, Firm.find(:first).clients_using_counter_sql.size
- assert_equal 0, Firm.find(:first).clients_using_zero_counter_sql.size
- end
- def test_counting_non_existant_items_using_sql
- assert_equal 0, Firm.find(:first).no_clients_using_counter_sql.size
- end
-
- def test_belongs_to_sanity
- c = Client.new
- assert_nil c.firm
- if c.firm
- assert false, "belongs_to failed if check"
- end
- unless c.firm
- else
- assert false, "belongs_to failed unless check"
- end
- end
- def test_find_ids
- firm = Firm.find(:first)
- assert_raises(ActiveRecord::RecordNotFound) { firm.clients.find }
- client = firm.clients.find(2)
- assert_kind_of Client, client
- client_ary = firm.clients.find([2])
- assert_kind_of Array, client_ary
- assert_equal client, client_ary.first
- client_ary = firm.clients.find(2, 3)
- assert_kind_of Array, client_ary
- assert_equal 2, client_ary.size
- assert_equal client, client_ary.first
- assert_raises(ActiveRecord::RecordNotFound) { firm.clients.find(2, 99) }
- end
- def test_find_all
- assert_deprecated 'find_all' do
- firm = Firm.find_first
- assert_equal firm.clients, firm.clients.find_all
- assert_equal 2, firm.clients.find(:all, :conditions => "#{QUOTED_TYPE} = 'Client'").length
- assert_equal 1, firm.clients.find(:all, :conditions => "name = 'Summit'").length
- end
- end
- def test_find_all_sanitized
- assert_deprecated 'find_all' do
- firm = Firm.find_first
- assert_equal firm.clients.find_all("name = 'Summit'"), firm.clients.find_all(["name = '%s'", "Summit"])
- summit = firm.clients.find(:all, :conditions => "name = 'Summit'")
- assert_equal summit, firm.clients.find(:all, :conditions => ["name = ?", "Summit"])
- assert_equal summit, firm.clients.find(:all, :conditions => ["name = :name", { :name => "Summit" }])
- end
- end
- def test_find_first
- assert_deprecated 'find_first' do
- firm = Firm.find_first
- client2 = Client.find(2)
- assert_equal firm.clients.first, firm.clients.find_first
- assert_equal client2, firm.clients.find_first("#{QUOTED_TYPE} = 'Client'")
- assert_equal client2, firm.clients.find(:first, :conditions => "#{QUOTED_TYPE} = 'Client'")
- end
- end
- def test_find_first_sanitized
- assert_deprecated 'find_first' do
- firm = Firm.find_first
- client2 = Client.find(2)
- assert_deprecated(/find_first/) do
- assert_equal client2, firm.clients.find_first(["#{QUOTED_TYPE} = ?", "Client"])
- end
- assert_equal client2, firm.clients.find(:first, :conditions => ["#{QUOTED_TYPE} = ?", 'Client'])
- assert_equal client2, firm.clients.find(:first, :conditions => ["#{QUOTED_TYPE} = :type", { :type => 'Client' }])
- end
- end
- def test_find_in_collection
- assert_equal Client.find(2).name, companies(:first_firm).clients.find(2).name
- assert_raises(ActiveRecord::RecordNotFound) { companies(:first_firm).clients.find(6) }
- end
- def test_find_grouped
- all_clients_of_firm1 = Client.find(:all, :conditions => "firm_id = 1")
- grouped_clients_of_firm1 = Client.find(:all, :conditions => "firm_id = 1", :group => "firm_id", :select => 'firm_id, count(id) as clients_count')
- assert_equal 2, all_clients_of_firm1.size
- assert_equal 1, grouped_clients_of_firm1.size
- end
- def test_adding
- force_signal37_to_load_all_clients_of_firm
- natural = Client.new("name" => "Natural Company")
- companies(:first_firm).clients_of_firm << natural
- assert_equal 2, companies(:first_firm).clients_of_firm.size # checking via the collection
- assert_equal 2, companies(:first_firm).clients_of_firm(true).size # checking using the db
- assert_equal natural, companies(:first_firm).clients_of_firm.last
- end
- def test_adding_using_create
- first_firm = companies(:first_firm)
- assert_equal 2, first_firm.plain_clients.size
- natural = first_firm.plain_clients.create(:name => "Natural Company")
- assert_equal 3, first_firm.plain_clients.length
- assert_equal 3, first_firm.plain_clients.size
- end
-
- def test_adding_a_mismatch_class
- assert_raises(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).clients_of_firm << nil }
- assert_raises(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).clients_of_firm << 1 }
- assert_raises(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).clients_of_firm << Topic.find(1) }
- end
-
- def test_adding_a_collection
- force_signal37_to_load_all_clients_of_firm
- companies(:first_firm).clients_of_firm.concat([Client.new("name" => "Natural Company"), Client.new("name" => "Apple")])
- assert_equal 3, companies(:first_firm).clients_of_firm.size
- assert_equal 3, companies(:first_firm).clients_of_firm(true).size
- end
- def test_adding_before_save
- no_of_firms = Firm.count
- no_of_clients = Client.count
- new_firm = Firm.new("name" => "A New Firm, Inc")
- new_firm.clients_of_firm.push Client.new("name" => "Natural Company")
- new_firm.clients_of_firm << (c = Client.new("name" => "Apple"))
- assert new_firm.new_record?
- assert c.new_record?
- assert_equal 2, new_firm.clients_of_firm.size
- assert_equal no_of_firms, Firm.count # Firm was not saved to database.
- assert_equal no_of_clients, Client.count # Clients were not saved to database.
- assert new_firm.save
- assert !new_firm.new_record?
- assert !c.new_record?
- assert_equal new_firm, c.firm
- assert_equal no_of_firms+1, Firm.count # Firm was saved to database.
- assert_equal no_of_clients+2, Client.count # Clients were saved to database.
- assert_equal 2, new_firm.clients_of_firm.size
- assert_equal 2, new_firm.clients_of_firm(true).size
- end
- def test_invalid_adding
- firm = Firm.find(1)
- assert !(firm.clients_of_firm << c = Client.new)
- assert c.new_record?
- assert !firm.valid?
- assert !firm.save
- assert c.new_record?
- end
- def test_invalid_adding_before_save
- no_of_firms = Firm.count
- no_of_clients = Client.count
- new_firm = Firm.new("name" => "A New Firm, Inc")
- new_firm.clients_of_firm.concat([c = Client.new, Client.new("name" => "Apple")])
- assert c.new_record?
- assert !c.valid?
- assert !new_firm.valid?
- assert !new_firm.save
- assert c.new_record?
- assert new_firm.new_record?
- end
- def test_build
- new_client = companies(:first_firm).clients_of_firm.build("name" => "Another Client")
- assert_equal "Another Client", new_client.name
- assert new_client.new_record?
- assert_equal new_client, companies(:first_firm).clients_of_firm.last
- assert companies(:first_firm).save
- assert !new_client.new_record?
- assert_equal 2, companies(:first_firm).clients_of_firm(true).size
- end
- def test_build_many
- new_clients = companies(:first_firm).clients_of_firm.build([{"name" => "Another Client"}, {"name" => "Another Client II"}])
- assert_equal 2, new_clients.size
- assert companies(:first_firm).save
- assert_equal 3, companies(:first_firm).clients_of_firm(true).size
- end
- def test_build_without_loading_association
- first_topic = topics(:first)
- Reply.column_names
- assert_equal 1, first_topic.replies.length
-
- assert_no_queries do
- first_topic.replies.build(:title => "Not saved", :content => "Superstars")
- assert_equal 2, first_topic.replies.size
- end
- assert_equal 2, first_topic.replies.to_ary.size
- end
- def test_create_without_loading_association
- first_firm = companies(:first_firm)
- Firm.column_names
- Client.column_names
- assert_equal 1, first_firm.clients_of_firm.size
- first_firm.clients_of_firm.reset
-
- assert_queries(1) do
- first_firm.clients_of_firm.create(:name => "Superstars")
- end
-
- assert_equal 2, first_firm.clients_of_firm.size
- end
- def test_invalid_build
- new_client = companies(:first_firm).clients_of_firm.build
- assert new_client.new_record?
- assert !new_client.valid?
- assert_equal new_client, companies(:first_firm).clients_of_firm.last
- assert !companies(:first_firm).save
- assert new_client.new_record?
- assert_equal 1, companies(:first_firm).clients_of_firm(true).size
- end
-
- def test_create
- force_signal37_to_load_all_clients_of_firm
- new_client = companies(:first_firm).clients_of_firm.create("name" => "Another Client")
- assert !new_client.new_record?
- assert_equal new_client, companies(:first_firm).clients_of_firm.last
- assert_equal new_client, companies(:first_firm).clients_of_firm(true).last
- end
-
- def test_create_many
- companies(:first_firm).clients_of_firm.create([{"name" => "Another Client"}, {"name" => "Another Client II"}])
- assert_equal 3, companies(:first_firm).clients_of_firm(true).size
- end
- def test_find_or_create
- number_of_clients = companies(:first_firm).clients.size
- the_client = companies(:first_firm).clients.find_or_create_by_name("Yet another client")
- assert_equal number_of_clients + 1, companies(:first_firm, :refresh).clients.size
- assert_equal the_client, companies(:first_firm).clients.find_or_create_by_name("Yet another client")
- assert_equal number_of_clients + 1, companies(:first_firm, :refresh).clients.size
- end
- def test_deleting
- force_signal37_to_load_all_clients_of_firm
- companies(:first_firm).clients_of_firm.delete(companies(:first_firm).clients_of_firm.first)
- assert_equal 0, companies(:first_firm).clients_of_firm.size
- assert_equal 0, companies(:first_firm).clients_of_firm(true).size
- end
- def test_deleting_before_save
- new_firm = Firm.new("name" => "A New Firm, Inc.")
- new_client = new_firm.clients_of_firm.build("name" => "Another Client")
- assert_equal 1, new_firm.clients_of_firm.size
- new_firm.clients_of_firm.delete(new_client)
- assert_equal 0, new_firm.clients_of_firm.size
- end
- def test_deleting_a_collection
- force_signal37_to_load_all_clients_of_firm
- companies(:first_firm).clients_of_firm.create("name" => "Another Client")
- assert_equal 2, companies(:first_firm).clients_of_firm.size
- companies(:first_firm).clients_of_firm.delete([companies(:first_firm).clients_of_firm[0], companies(:first_firm).clients_of_firm[1]])
- assert_equal 0, companies(:first_firm).clients_of_firm.size
- assert_equal 0, companies(:first_firm).clients_of_firm(true).size
- end
-
- def test_delete_all
- force_signal37_to_load_all_clients_of_firm
- companies(:first_firm).clients_of_firm.create("name" => "Another Client")
- assert_equal 2, companies(:first_firm).clients_of_firm.size
- companies(:first_firm).clients_of_firm.delete_all
- assert_equal 0, companies(:first_firm).clients_of_firm.size
- assert_equal 0, companies(:first_firm).clients_of_firm(true).size
- end
- def test_delete_all_with_not_yet_loaded_association_collection
- force_signal37_to_load_all_clients_of_firm
- companies(:first_firm).clients_of_firm.create("name" => "Another Client")
- assert_equal 2, companies(:first_firm).clients_of_firm.size
- companies(:first_firm).clients_of_firm.reset
- companies(:first_firm).clients_of_firm.delete_all
- assert_equal 0, companies(:first_firm).clients_of_firm.size
- assert_equal 0, companies(:first_firm).clients_of_firm(true).size
- end
- def test_clearing_an_association_collection
- firm = companies(:first_firm)
- client_id = firm.clients_of_firm.first.id
- assert_equal 1, firm.clients_of_firm.size
- firm.clients_of_firm.clear
- assert_equal 0, firm.clients_of_firm.size
- assert_equal 0, firm.clients_of_firm(true).size
- assert_equal [], Client.destroyed_client_ids[firm.id]
- # Should not be destroyed since the association is not dependent.
- assert_nothing_raised do
- assert Client.find(client_id).firm.nil?
- end
- end
- def test_clearing_a_dependent_association_collection
- firm = companies(:first_firm)
- client_id = firm.dependent_clients_of_firm.first.id
- assert_equal 1, firm.dependent_clients_of_firm.size
- # :dependent means destroy is called on each client
- firm.dependent_clients_of_firm.clear
- assert_equal 0, firm.dependent_clients_of_firm.size
- assert_equal 0, firm.dependent_clients_of_firm(true).size
- assert_equal [client_id], Client.destroyed_client_ids[firm.id]
- # Should be destroyed since the association is dependent.
- assert Client.find_by_id(client_id).nil?
- end
- def test_clearing_an_exclusively_dependent_association_collection
- firm = companies(:first_firm)
- client_id = firm.exclusively_dependent_clients_of_firm.first.id
- assert_equal 1, firm.exclusively_dependent_clients_of_firm.size
- assert_equal [], Client.destroyed_client_ids[firm.id]
- # :exclusively_dependent means each client is deleted directly from
- # the database without looping through them calling destroy.
- firm.exclusively_dependent_clients_of_firm.clear
- assert_equal 0, firm.exclusively_dependent_clients_of_firm.size
- assert_equal 0, firm.exclusively_dependent_clients_of_firm(true).size
- assert_equal [3], Client.destroyed_client_ids[firm.id]
- # Should be destroyed since the association is exclusively dependent.
- assert Client.find_by_id(client_id).nil?
- end
- def test_clearing_without_initial_access
- firm = companies(:first_firm)
- firm.clients_of_firm.clear
- assert_equal 0, firm.clients_of_firm.size
- assert_equal 0, firm.clients_of_firm(true).size
- end
- def test_deleting_a_item_which_is_not_in_the_collection
- force_signal37_to_load_all_clients_of_firm
- summit = Client.find_by_name('Summit')
- companies(:first_firm).clients_of_firm.delete(summit)
- assert_equal 1, companies(:first_firm).clients_of_firm.size
- assert_equal 1, companies(:first_firm).clients_of_firm(true).size
- assert_equal 2, summit.client_of
- end
- def test_deleting_type_mismatch
- david = Developer.find(1)
- david.projects.reload
- assert_raises(ActiveRecord::AssociationTypeMismatch) { david.projects.delete(1) }
- end
- def test_deleting_self_type_mismatch
- david = Developer.find(1)
- david.projects.reload
- assert_raises(ActiveRecord::AssociationTypeMismatch) { david.projects.delete(Project.find(1).developers) }
- end
- def test_destroy_all
- force_signal37_to_load_all_clients_of_firm
- assert !companies(:first_firm).clients_of_firm.empty?, "37signals has clients after load"
- companies(:first_firm).clients_of_firm.destroy_all
- assert companies(:first_firm).clients_of_firm.empty?, "37signals has no clients after destroy all"
- assert companies(:first_firm).clients_of_firm(true).empty?, "37signals has no clients after destroy all and refresh"
- end
- def test_dependence
- firm = companies(:first_firm)
- assert_equal 2, firm.clients.size
- firm.destroy
- assert Client.find(:all, :conditions => "firm_id=#{firm.id}").empty?
- end
- def test_destroy_dependent_when_deleted_from_association
- firm = Firm.find(:first)
- assert_equal 2, firm.clients.size
- client = firm.clients.first
- firm.clients.delete(client)
- assert_raise(ActiveRecord::RecordNotFound) { Client.find(client.id) }
- assert_raise(ActiveRecord::RecordNotFound) { firm.clients.find(client.id) }
- assert_equal 1, firm.clients.size
- end
- def test_three_levels_of_dependence
- topic = Topic.create "title" => "neat and simple"
- reply = topic.replies.create "title" => "neat and simple", "content" => "still digging it"
- silly_reply = reply.replies.create "title" => "neat and simple", "content" => "ain't complaining"
-
- assert_nothing_raised { topic.destroy }
- end
- uses_transaction :test_dependence_with_transaction_support_on_failure
- def test_dependence_with_transaction_support_on_failure
- firm = companies(:first_firm)
- clients = firm.clients
- assert_equal 2, clients.length
- clients.last.instance_eval { def before_destroy() raise "Trigger rollback" end }
- firm.destroy rescue "do nothing"
- assert_equal 2, Client.find(:all, :conditions => "firm_id=#{firm.id}").size
- end
- def test_dependence_on_account
- num_accounts = Account.count
- companies(:first_firm).destroy
- assert_equal num_accounts - 1, Account.count
- end
- def test_depends_and_nullify
- num_accounts = Account.count
- num_companies = Company.count
-
- core = companies(:rails_core)
- assert_equal accounts(:rails_core_account), core.account
- assert_equal [companies(:leetsoft), companies(:jadedpixel)], core.companies
- core.destroy
- assert_nil accounts(:rails_core_account).reload.firm_id
- assert_nil companies(:leetsoft).reload.client_of
- assert_nil companies(:jadedpixel).reload.client_of
-
-
- assert_equal num_accounts, Account.count
- end
- def test_included_in_collection
- assert companies(:first_firm).clients.include?(Client.find(2))
- end
- def test_adding_array_and_collection
- assert_nothing_raised { Firm.find(:first).clients + Firm.find(:all).last.clients }
- end
- def test_find_all_without_conditions
- firm = companies(:first_firm)
- assert_equal 2, firm.clients.find(:all).length
- end
- def test_replace_with_less
- firm = Firm.find(:first)
- firm.clients = [companies(:first_client)]
- assert firm.save, "Could not save firm"
- firm.reload
- assert_equal 1, firm.clients.length
- end
-
-
- def test_replace_with_new
- firm = Firm.find(:first)
- new_client = Client.new("name" => "New Client")
- firm.clients = [companies(:second_client),new_client]
- firm.save
- firm.reload
- assert_equal 2, firm.clients.length
- assert !firm.clients.include?(:first_client)
- end
-
- def test_replace_on_new_object
- firm = Firm.new("name" => "New Firm")
- firm.clients = [companies(:second_client), Client.new("name" => "New Client")]
- assert firm.save
- firm.reload
- assert_equal 2, firm.clients.length
- assert firm.clients.include?(Client.find_by_name("New Client"))
- end
-
- def test_get_ids
- assert_equal [companies(:first_client).id, companies(:second_client).id], companies(:first_firm).client_ids
- end
-
- def test_assign_ids
- firm = Firm.new("name" => "Apple")
- firm.client_ids = [companies(:first_client).id, companies(:second_client).id]
- firm.save
- firm.reload
- assert_equal 2, firm.clients.length
- assert firm.clients.include?(companies(:second_client))
- end
- def test_assign_ids_ignoring_blanks
- firm = Firm.new("name" => "Apple")
- firm.client_ids = [companies(:first_client).id, nil, companies(:second_client).id, '']
- firm.save
- firm.reload
- assert_equal 2, firm.clients.length
- assert firm.clients.include?(companies(:second_client))
- end
- end
- class BelongsToAssociationsTest < Test::Unit::TestCase
- fixtures :accounts, :companies, :developers, :projects, :topics,
- :developers_projects, :computers, :authors, :posts
-
- def test_belongs_to
- Client.find(3).firm.name
- assert_equal companies(:first_firm).name, Client.find(3).firm.name
- assert !Client.find(3).firm.nil?, "Microsoft should have a firm"
- end
- def test_proxy_assignment
- account = Account.find(1)
- assert_nothing_raised { account.firm = account.firm }
- end
- def test_triple_equality
- assert Client.find(3).firm === Firm
- assert Firm === Client.find(3).firm
- end
- def test_type_mismatch
- assert_raise(ActiveRecord::AssociationTypeMismatch) { Account.find(1).firm = 1 }
- assert_raise(ActiveRecord::AssociationTypeMismatch) { Account.find(1).firm = Project.find(1) }
- end
- def test_natural_assignment
- apple = Firm.create("name" => "Apple")
- citibank = Account.create("credit_limit" => 10)
- citibank.firm = apple
- assert_equal apple.id, citibank.firm_id
- end
-
- def test_creating_the_belonging_object
- citibank = Account.create("credit_limit" => 10)
- apple = citibank.create_firm("name" => "Apple")
- assert_equal apple, citibank.firm
- citibank.save
- citibank.reload
- assert_equal apple, citibank.firm
- end
- def test_building_the_belonging_object
- citibank = Account.create("credit_limit" => 10)
- apple = citibank.build_firm("name" => "Apple")
- citibank.save
- assert_equal apple.id, citibank.firm_id
- end
-
- def test_natural_assignment_to_nil
- client = Client.find(3)
- client.firm = nil
- client.save
- assert_nil client.firm(true)
- assert_nil client.client_of
- end
-
- def test_with_different_class_name
- assert_equal Company.find(1).name, Company.find(3).firm_with_other_name.name
- assert_not_nil Company.find(3).firm_with_other_name, "Microsoft should have a firm"
- end
- def test_with_condition
- assert_equal Company.find(1).name, Company.find(3).firm_with_condition.name
- assert_not_nil Company.find(3).firm_with_condition, "Microsoft should have a firm"
- end
-
- def test_belongs_to_counter
- debate = Topic.create("title" => "debate")
- assert_equal 0, debate.send(:read_attribute, "replies_count"), "No replies yet"
- trash = debate.replies.create("title" => "blah!", "content" => "world around!")
- assert_equal 1, Topic.find(debate.id).send(:read_attribute, "replies_count"), "First reply created"
- trash.destroy
- assert_equal 0, Topic.find(debate.id).send(:read_attribute, "replies_count"), "First reply deleted"
- end
- def test_belongs_to_counter_with_reassigning
- t1 = Topic.create("title" => "t1")
- t2 = Topic.create("title" => "t2")
- r1 = Reply.new("title" => "r1", "content" => "r1")
- r1.topic = t1
- assert r1.save
- assert_equal 1, Topic.find(t1.id).replies.size
- assert_equal 0, Topic.find(t2.id).replies.size
- r1.topic = Topic.find(t2.id)
- assert r1.save
- assert_equal 0, Topic.find(t1.id).replies.size
- assert_equal 1, Topic.find(t2.id).replies.size
- r1.topic = nil
- assert_equal 0, Topic.find(t1.id).replies.size
- assert_equal 0, Topic.find(t2.id).replies.size
- r1.topic = t1
- assert_equal 1, Topic.find(t1.id).replies.size
- assert_equal 0, Topic.find(t2.id).replies.size
- r1.destroy
- assert_equal 0, Topic.find(t1.id).replies.size
- assert_equal 0, Topic.find(t2.id).replies.size
- end
- def test_assignment_before_parent_saved
- client = Client.find(:first)
- apple = Firm.new("name" => "Apple")
- client.firm = apple
- assert_equal apple, client.firm
- assert apple.new_record?
- assert client.save
- assert apple.save
- assert !apple.new_record?
- assert_equal apple, client.firm
- assert_equal apple, client.firm(true)
- end
- def test_assignment_before_child_saved
- final_cut = Client.new("name" => "Final Cut")
- firm = Firm.find(1)
- final_cut.firm = firm
- assert final_cut.new_record?
- assert final_cut.save
- assert !final_cut.new_record?
- assert !firm.new_record?
- assert_equal firm, final_cut.firm
- assert_equal firm, final_cut.firm(true)
- end
- def test_assignment_before_either_saved
- final_cut = Client.new("name" => "Final Cut")
- apple = Firm.new("name" => "Apple")
- final_cut.firm = apple
- assert final_cut.new_record?
- assert apple.new_record?
- assert final_cut.save
- assert !final_cut.new_record?
- assert !apple.new_record?
- assert_equal apple, final_cut.firm
- assert_equal apple, final_cut.firm(true)
- end
- def test_new_record_with_foreign_key_but_no_object
- c = Client.new("firm_id" => 1)
- assert_equal Firm.find(:first), c.firm_with_basic_id
- end
- def test_forgetting_the_load_when_foreign_key_enters_late
- c = Client.new
- assert_nil c.firm_with_basic_id
- c.firm_id = 1
- assert_equal Firm.find(:first), c.firm_with_basic_id
- end
- def test_field_name_same_as_foreign_key
- computer = Computer.find(1)
- assert_not_nil computer.developer, ":foreign key == attribute didn't lock up" # '
- end
- def test_counter_cache
- topic = Topic.create :title => "Zoom-zoom-zoom"
- assert_equal 0, topic[:replies_count]
-
- reply = Reply.create(:title => "re: zoom", :content => "speedy quick!")
- reply.topic = topic
- assert_equal 1, topic.reload[:replies_count]
- assert_equal 1, topic.replies.size
- topic[:replies_count] = 15
- assert_equal 15, topic.replies.size
- end
- def test_custom_counter_cache
- reply = Reply.create(:title => "re: zoom", :content => "speedy quick!")
- assert_equal 0, reply[:replies_count]
- silly = SillyReply.create(:title => "gaga", :content => "boo-boo")
- silly.reply = reply
- assert_equal 1, reply.reload[:replies_count]
- assert_equal 1, reply.replies.size
- reply[:replies_count] = 17
- assert_equal 17, reply.replies.size
- end
- def test_store_two_association_with_one_save
- num_orders = Order.count
- num_customers = Customer.count
- order = Order.new
- customer1 = order.billing = Customer.new
- customer2 = order.shipping = Customer.new
- assert order.save
- assert_equal customer1, order.billing
- assert_equal customer2, order.shipping
- order.reload
- assert_equal customer1, order.billing
- assert_equal customer2, order.shipping
- assert_equal num_orders +1, Order.count
- assert_equal num_customers +2, Customer.count
- end
-
- def test_store_association_in_two_relations_with_one_save
- num_orders = Order.count
- num_customers = Customer.count
- order = Order.new
-
- customer = order.billing = order.shipping = Customer.new
- assert order.save
- assert_equal customer, order.billing
- assert_equal customer, order.shipping
-
- order.reload
-
- assert_equal customer, order.billing
- assert_equal customer, order.shipping
-
- assert_equal num_orders +1, Order.count
- assert_equal num_customers +1, Customer.count
- end
- def test_store_association_in_two_relations_with_one_save_in_existing_object
- num_orders = Order.count
- num_customers = Customer.count
- order = Order.create
-
- customer = order.billing = order.shipping = Customer.new
- assert order.save
- assert_equal customer, order.billing
- assert_equal customer, order.shipping
-
- order.reload
-
- assert_equal customer, order.billing
- assert_equal customer, order.shipping
-
- assert_equal num_orders +1, Order.count
- assert_equal num_customers +1, Customer.count
- end
-
- def test_store_association_in_two_relations_with_one_save_in_existing_object_with_values
- num_orders = Order.count
- num_customers = Customer.count
- order = Order.create
-
- customer = order.billing = order.shipping = Customer.new
- assert order.save
- assert_equal customer, order.billing
- assert_equal customer, order.shipping
-
- order.reload
-
- customer = order.billing = order.shipping = Customer.new
-
- assert order.save
- order.reload
-
- assert_equal customer, order.billing
- assert_equal customer, order.shipping
-
- assert_equal num_orders +1, Order.count
- assert_equal num_customers +2, Customer.count
- end
-
-
- def test_association_assignment_sticks
- post = Post.find(:first)
- author1, author2 = Author.find(:all, :limit => 2)
- assert_not_nil author1
- assert_not_nil author2
- # make sure the association is loaded
- post.author
- # set the association by id, directly
- post.author_id = author2.id
- # save and reload
- post.save!
- post.reload
- # the author id of the post should be the id we set
- assert_equal post.author_id, author2.id
- end
-
- end
- class ProjectWithAfterCreateHook < ActiveRecord::Base
- set_table_name 'projects'
- has_and_belongs_to_many :developers,
- :class_name => "DeveloperForProjectWithAfterCreateHook",
- :join_table => "developers_projects",
- :foreign_key => "project_id",
- :association_foreign_key => "developer_id"
- after_create :add_david
- def add_david
- david = DeveloperForProjectWithAfterCreateHook.find_by_name('David')
- david.projects << self
- end
- end
- class DeveloperForProjectWithAfterCreateHook < ActiveRecord::Base
- set_table_name 'developers'
- has_and_belongs_to_many :projects,
- :class_name => "ProjectWithAfterCreateHook",
- :join_table => "developers_projects",
- :association_foreign_key => "project_id",
- :foreign_key => "developer_id"
- end
- class HasAndBelongsToManyAssociationsTest < Test::Unit::TestCase
- fixtures :accounts, :companies, :categories, :posts, :categories_posts, :developers, :projects, :developers_projects
-
- def test_has_and_belongs_to_many
- david = Developer.find(1)
- assert !david.projects.empty?
- assert_equal 2, david.projects.size
- active_record = Project.find(1)
- assert !active_record.developers.empty?
- assert_equal 3, active_record.developers.size
- assert active_record.developers.include?(david)
- end
- def test_triple_equality
- assert !(Array === Developer.find(1).projects)
- assert Developer.find(1).projects === Array
- end
- def test_adding_single
- jamis = Developer.find(2)
- jamis.projects.reload # causing the collection to load
- action_controller = Project.find(2)
- assert_equal 1, jamis.projects.size
- assert_equal 1, action_controller.developers.size
-
- jamis.projects << action_controller
- assert_equal 2, jamis.projects.size
- assert_equal 2, jamis.projects(true).size
- assert_equal 2, action_controller.developers(true).size
- end
- def test_adding_type_mismatch
- jamis = Developer.find(2)
- assert_raise(ActiveRecord::AssociationTypeMismatch) { jamis.projects << nil }
- assert_raise(ActiveRecord::AssociationTypeMismatch) { jamis.projects << 1 }
- end
- def test_adding_from_the_project
- jamis = Developer.find(2)
- action_controller = Project.find(2)
- action_controller.developers.reload
- assert_equal 1, jamis.projects.size
- assert_equal 1, action_controller.developers.size
- action_controller.developers << jamis
-
- assert_equal 2, jamis.projects(true).size
- assert_equal 2, action_controller.developers.size
- assert_equal 2, action_controller.developers(true).size
- end
- def test_adding_from_the_project_fixed_timestamp
- jamis = Developer.find(2)
- action_controller = Project.find(2)
- action_controller.developers.reload
- assert_equal 1, jamis.projects.size
- assert_equal 1, action_controller.developers.size
- updated_at = jamis.updated_at
- action_controller.developers << jamis
- assert_equal updated_at, jamis.updated_at
- assert_equal 2, jamis.projects(true).size
- assert_equal 2, action_controller.developers.size
- assert_equal 2, action_controller.developers(true).size
- end
- def test_adding_multiple
- aredridel = Developer.new("name" => "Aredridel")
- aredridel.save
- aredridel.projects.reload
- aredridel.projects.push(Project.find(1), Project.find(2))
- assert_equal 2, aredridel.projects.size
- assert_equal 2, aredridel.projects(true).size
- end
- def test_adding_a_collection
- aredridel = Developer.new("name" => "Aredridel")
- aredridel.save
- aredridel.projects.reload
- aredridel.projects.concat([Project.find(1), Project.find(2)])
- assert_equal 2, aredridel.projects.size
- assert_equal 2, aredridel.projects(true).size
- end
- def test_adding_uses_default_values_on_join_table
- ac = projects(:action_controller)
- assert !developers(:jamis).projects.include?(ac)
- developers(:jamis).projects << ac
- assert developers(:jamis, :reload).projects.include?(ac)
- project = developers(:jamis).projects.detect { |p| p == ac }
- assert_equal 1, project.access_level.to_i
- end
- def test_adding_uses_explicit_values_on_join_table
- ac = projects(:action_controller)
- assert !developers(:jamis).projects.include?(ac)
- assert_deprecated do
- developers(:jamis).projects.push_with_attributes(ac, :access_level => 3)
- end
- assert developers(:jamis, :reload).projects.include?(ac)
- project = developers(:jamis).projects.detect { |p| p == ac }
- assert_equal 3, project.access_level.to_i
- end
- def test_hatbm_attribute_access_and_respond_to
- project = developers(:jamis).projects[0]
- assert project.has_attribute?("name")
- assert project.has_attribute?("joined_on")
- assert project.has_attribute?("access_level")
- assert project.respond_to?("name")
- assert project.respond_to?("name=")
- assert project.respond_to?("name?")
- assert project.respond_to?("joined_on")
- assert project.respond_to?("joined_on=")
- assert project.respond_to?("joined_on?")
- assert project.respond_to?("access_level")
- assert project.respond_to?("access_level=")
- assert project.respond_to?("access_level?")
- end
- def test_habtm_adding_before_save
- no_of_devels = Developer.count
- no_of_projects = Project.count
- aredridel = Developer.new("name" => "Aredridel")
- aredridel.projects.concat([Project.find(1), p = Project.new("name" => "Projekt")])
- assert aredridel.new_record?
- assert p.new_record?
- assert aredridel.save
- assert !aredridel.new_record?
- assert_equal no_of_devels+1, Developer.count
- assert_equal no_of_projects+1, Project.count
- assert_equal 2, aredridel.projects.size
- assert_equal 2, aredridel.projects(true).size
- end
- def test_habtm_adding_before_save_with_join_attributes
- no_of_devels = Developer.count
- no_of_projects = Project.count
- now = Date.today
- ken = Developer.new("name" => "Ken")
- assert_deprecated do
- ken.projects.push_with_attributes( Project.find(1), :joined_on => now )
- end
- p = Project.new("name" => "Foomatic")
- assert_deprecated do
- ken.projects.push_with_attributes( p, :joined_on => now )
- end
- assert ken.new_record?
- assert p.new_record?
- assert ken.save
- assert !ken.new_record?
- assert_equal no_of_devels+1, Developer.count
- assert_equal no_of_projects+1, Project.count
- assert_equal 2, ken.projects.size
- assert_equal 2, ken.projects(true).size
- kenReloaded = Developer.find_by_name 'Ken'
- kenReloaded.projects.each {|prj| assert_date_from_db(now, prj.joined_on)}
- end
- def test_habtm_saving_multiple_relationships
- new_project = Project.new("name" => "Grimetime")
- amount_of_developers = 4
- developers = (0...amount_of_developers).collect {|i| Developer.create(:name => "JME #{i}") }.reverse
- new_project.developer_ids = [developers[0].id, developers[1].id]
- new_project.developers_with_callback_ids = [developers[2].id, developers[3].id]
- assert new_project.save
- new_project.reload
- assert_equal amount_of_developers, new_project.developers.size
- assert_equal developers, new_project.developers
- end
- def test_habtm_unique_order_preserved
- assert_equal [developers(:poor_jamis), developers(:jamis), developers(:david)], projects(:active_record).non_unique_developers
- assert_equal [developers(:poor_jamis), developers(:jamis), developers(:david)], projects(:active_record).developers
- end
- def test_build
- devel = Developer.find(1)
- proj = devel.projects.build("name" => "Projekt")
- assert_equal devel.projects.last, proj
- assert proj.new_record?
- devel.save
- assert !proj.new_record?
- assert_equal devel.projects.last, proj
- assert_equal Developer.find(1).projects.sort_by(&:id).last, proj # prove join table is updated
- end
-
- def test_build_by_new_record
- …
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