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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'
# Can't declare new classes in test case methods, so tests before that
bad_collection_keys = false
begin
class Car < ActiveRecord::Base; has_many :wheels, :name => "wheels"; end
rescue ArgumentError
bad_collection_keys = true
end
raise "ActiveRecord should have barked on bad collection keys" unless bad_collection_keys
class AssociationsTest < Test::Unit::TestCase
fixtures :accounts, :companies, :developers, :projects, :developers_projects,
:computers
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 !firm.has_clients?, "New firm shouldn't have clients"
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 !firm.has_clients?, "New firm should have cached a no-clients response"
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 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_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?
firm.destroy
assert_equal num_accounts - 1, Account.count
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_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
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_equal 2, Firm.find(:first).plain_clients.count('1=1')
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_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
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
def test_find_all_sanitized
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
def test_find_first
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
def test_find_first_sanitized
firm = Firm.find_first
client2 = Client.find(2)
assert_equal client2, firm.clients.find_first(["#{QUOTED_TYPE} = ?", "Client"])
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
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_first("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_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
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)
developers(:jamis).projects.push_with_attributes(ac, :access_level => 3)
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")
ken.projects.push_with_attributes( Project.find(1), :joined_on => now )
p = Project.new("name" => "Foomatic")
ken.projects.push_with_attributes( p, :joined_on => now )
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
devel = Developer.new(:name => "Marcel", :salary => 75000)
proj1 = devel.projects.build(:name => "Make bed")
proj2 = devel.projects.build(:name => "Lie in it")
assert_equal devel.projects.last, proj2
assert proj2.new_record?
devel.save
assert !devel.new_record?
assert !proj2.new_record?
assert_equal devel.projects.last, proj2
assert_equal Developer.find_by_name("Marcel").projects.last, proj2 # prove join table is updated
end
def test_create
devel = Developer.find(1)
proj = devel.projects.create("name" => "Projekt")
assert_equal devel.projects.last, proj
assert !proj.new_record?
assert_equal Developer.find(1).projects.sort_by(&:id).last, proj # prove join table is updated
end
def test_create_by_new_record
devel = Developer.new(:name => "Marcel", :salary => 75000)
proj1 = devel.projects.create(:name => "Make bed")
proj2 = devel.projects.create(:name => "Lie in it")
assert_equal devel.projects.last, proj2
assert proj2.new_record?
devel.save
assert !devel.new_record?
assert !proj2.new_record?
assert_equal devel.projects.last, proj2
assert_equal Developer.find_by_name("Marcel").projects.last, proj2 # prove join table is updated
end
def test_uniq_after_the_fact
developers(:jamis).projects << projects(:active_record)
developers(:jamis).projects << projects(:active_record)
assert_equal 3, developers(:jamis).projects.size
assert_equal 1, developers(:jamis).projects.uniq.size
end
def test_uniq_before_the_fact
projects(:active_record).developers << developers(:jamis)
projects(:active_record).developers << developers(:david)
assert_equal 3, projects(:active_record, :reload).developers.size
end
def test_deleting
david = Developer.find(1)
active_record = Project.find(1)
david.projects.reload
assert_equal 2, david.projects.size
assert_equal 3, active_record.developers.size
david.projects.delete(active_record)
assert_equal 1, david.projects.size
assert_equal 1, david.projects(true).size
assert_equal 2, active_record.developers(true).size
end
def test_deleting_array
david = Developer.find(1)
david.projects.reload
david.projects.delete(Project.find(:all))
assert_equal 0, david.projects.size
assert_equal 0, david.projects(true).size
end
def test_deleting_with_sql
david = Developer.find(1)
active_record = Project.find(1)
active_record.developers.reload
assert_equal 3, active_record.developers_by_sql.size
active_record.developers_by_sql.delete(david)
assert_equal 2, active_record.developers_by_sql(true).size
end
def test_deleting_array_with_sql
active_record = Project.find(1)
active_record.developers.reload
assert_equal 3, active_record.developers_by_sql.size
active_record.developers_by_sql.delete(Developer.find(:all))
assert_equal 0, active_record.developers_by_sql(true).size
end
def test_deleting_all
david = Developer.find(1)
david.projects.reload
david.projects.clear
assert_equal 0, david.projects.size
assert_equal 0, david.projects(true).size
end
def test_removing_associations_on_destroy
david = DeveloperWithBeforeDestroyRaise.find(1)
assert !david.projects.empty?
assert_nothing_raised { david.destroy }
assert david.projects.empty?
assert DeveloperWithBeforeDestroyRaise.connection.select_all("SELECT * FROM developers_projects WHERE developer_id = 1").empty?
end
def test_additional_columns_from_join_table
assert_date_from_db Date.new(2004, 10, 10), Developer.find(1).projects.first.joined_on
end
def test_destroy_all
david = Developer.find(1)
david.projects.reload
assert !david.projects.empty?
david.projects.destroy_all
assert david.projects.empty?
assert david.projects(true).empty?
end
def test_rich_association
jamis = developers(:jamis)
jamis.projects.push_with_attributes(projects(:action_controller), :joined_on => Date.today)
assert_date_from_db Date.today, jamis.projects.select { |p| p.name == projects(:action_controller).name }.first.joined_on
assert_date_from_db Date.today, developers(:jamis).projects.select { |p| p.name == projects(:action_controller).name }.first.joined_on
end
def test_associations_with_conditions
assert_equal 3, projects(:active_record).developers.size
assert_equal 1, projects(:active_record).developers_named_david.size
assert_equal developers(:david), projects(:active_record).developers_named_david.find(developers(:david).id)
assert_equal developers(:david), projects(:active_record).salaried_developers.find(developers(:david).id)
projects(:active_record).developers_named_david.clear
assert_equal 2, projects(:active_record, :reload).developers.size
end
def test_find_in_association
# Using sql
assert_equal developers(:david), projects(:active_record).developers.find(developers(:david).id), "SQL find"
# Using ruby
active_record = projects(:active_record)
active_record.developers.reload
assert_equal developers(:david), active_record.developers.find(developers(:david).id), "Ruby find"
end
def test_find_in_association_with_custom_finder_sql
assert_equal developers(:david), projects(:active_record).developers_with_finder_sql.find(developers(:david).id), "SQL find"
active_record = projects(:active_record)
active_record.developers_with_finder_sql.reload
assert_equal developers(:david), active_record.developers_with_finder_sql.find(developers(:david).id), "Ruby find"
end
def test_find_in_association_with_custom_finder_sql_and_string_id
assert_equal developers(:david), projects(:active_record).developers_with_finder_sql.find(developers(:david).id.to_s), "SQL find"
end
def test_find_with_merged_options
assert_equal 1, projects(:active_record).limited_developers.size
assert_equal 1, projects(:active_record).limited_developers.find(:all).size
assert_equal 3, projects(:active_record).limited_developers.find(:all, :limit => nil).size
end
def test_new_with_values_in_collection
jamis = DeveloperForProjectWithAfterCreateHook.find_by_name('Jamis')
david = DeveloperForProjectWithAfterCreateHook.find_by_name('David')
project = ProjectWithAfterCreateHook.new(:name => "Cooking with Bertie")
project.developers << jamis
project.save!
project.reload
assert project.developers.include?(jamis)
assert project.developers.include?(david)
end
def test_find_in_association_with_options
developers = projects(:active_record).developers.find(:all)
assert_equal 3, developers.size
assert_equal developers(:poor_jamis), projects(:active_record).developers.find(:first, :conditions => "salary < 10000")
assert_equal developers(:jamis), projects(:active_record).developers.find(:first, :order => "salary DESC")
end
def test_replace_with_less
david = developers(:david)
david.projects = [projects(:action_controller)]
assert david.save
assert_equal 1, david.projects.length
end
def test_replace_with_new
david = developers(:david)
david.projects = [projects(:action_controller), Project.new("name" => "ActionWebSearch")]
david.save
assert_equal 2, david.projects.length
assert !david.projects.include?(projects(:active_record))
end
def test_replace_on_new_object
new_developer = Developer.new("name" => "Matz")
new_developer.projects = [projects(:action_controller), Project.new("name" => "ActionWebSearch")]
new_developer.save
assert_equal 2, new_developer.projects.length
end
def test_consider_type
developer = Developer.find(:first)
special_project = SpecialProject.create("name" => "Special Project")
other_project = developer.projects.first
developer.special_projects << special_project
developer.reload
assert developer.projects.include?(special_project)
assert developer.special_projects.include?(special_project)
assert !developer.special_projects.include?(other_project)
end
def test_update_attributes_after_push_without_duplicate_join_table_rows
developer = Developer.new("name" => "Kano")
project = SpecialProject.create("name" => "Special Project")
assert developer.save
developer.projects << project
developer.update_attribute("name", "Bruza")
assert_equal 1, Developer.connection.select_value(<<-end_sql).to_i
SELECT count(*) FROM developers_projects
WHERE project_id = #{project.id}
AND developer_id = #{developer.id}
end_sql
end
def test_updating_attributes_on_non_rich_associations
welcome = categories(:technology).posts.first
welcome.title = "Something else"
assert welcome.save!
end
def test_updating_attributes_on_rich_associations
david = projects(:action_controller).developers.first
david.name = "DHH"
assert_raises(ActiveRecord::ReadOnlyRecord) { david.save! }
end
def test_updating_attributes_on_rich_associations_with_limited_find
david = projects(:action_controller).developers.find(:all, :select => "developers.*").first
david.name = "DHH"
assert david.save!
end
def test_join_table_alias
assert_equal 3, Developer.find(:all, :include => {:projects => :developers}, :conditions => 'developers_projects_join.joined_on IS NOT NULL').size
end
def test_join_with_group
group = Developer.columns.inject([]) do |g, c|
g << "developers.#{c.name}"
g << "developers_projects_2.#{c.name}"
end
Project.columns.each { |c| group << "projects.#{c.name}" }
assert_equal 3, Developer.find(:all, :include => {:projects => :developers}, :conditions => 'developers_projects_join.joined_on IS NOT NULL', :group => group.join(",")).size
end
end
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