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rails--rails/activerecord/test/deprecated_associations_test.rb
David Heinemeier Hansson 098fa94356 Fixed documentation snafus #575, #576, #577, #585
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@525 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
2005-02-07 14:15:53 +00:00

377 lines
12 KiB
Ruby
Executable file

require 'abstract_unit'
require 'fixtures/developer'
require 'fixtures/project'
require 'fixtures/company'
require 'fixtures/topic'
# require File.dirname(__FILE__) + '/../dev-utils/eval_debugger'
require 'fixtures/reply'
# 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 ActiveRecord::ActiveRecordError
bad_collection_keys = true
end
raise "ActiveRecord should have barked on bad collection keys" unless bad_collection_keys
class DeprecatedAssociationsTest < Test::Unit::TestCase
def setup
create_fixtures "accounts", "companies", "developers", "projects", "developers_projects", "topics"
@signals37 = Firm.find(1)
end
def test_has_many_find
assert_equal 2, Firm.find_first.clients.length
end
def test_has_many_orders
assert_equal "Summit", Firm.find_first.clients.first.name
end
def test_has_many_class_name
assert_equal "Microsoft", Firm.find_first.clients_sorted_desc.first.name
end
def test_has_many_foreign_key
assert_equal "Microsoft", Firm.find_first.clients_of_firm.first.name
end
def test_has_many_conditions
assert_equal "Microsoft", Firm.find_first.clients_like_ms.first.name
end
def test_has_many_sql
firm = Firm.find_first
assert_equal "Microsoft", firm.clients_using_sql.first.name
assert_equal 1, firm.clients_using_sql_count
assert_equal 1, Firm.find_first.clients_using_sql_count
end
def test_has_many_counter_sql
assert_equal 1, Firm.find_first.clients_using_counter_sql_count
end
def test_has_many_queries
assert Firm.find_first.has_clients?
firm = Firm.find_first
assert_equal 2, firm.clients_count # tests using class count
firm.clients
assert firm.has_clients?
assert_equal 2, firm.clients_count # tests using collection length
end
def test_has_many_dependence
assert_equal 2, Client.find_all.length
Firm.find_first.destroy
assert_equal 0, Client.find_all.length
end
def test_has_many_dependence_with_transaction_support_on_failure
assert_equal 2, Client.find_all.length
firm = Firm.find_first
clients = firm.clients
clients.last.instance_eval { def before_destroy() raise "Trigger rollback" end }
firm.destroy rescue "do nothing"
assert_equal 2, Client.find_all.length
end
def test_has_one_dependence
firm = Firm.find(1)
assert firm.has_account?
firm.destroy
assert_equal 1, Account.find_all.length
end
def test_has_one_dependence_with_missing_association
Account.destroy_all
firm = Firm.find(1)
assert !firm.has_account?
firm.destroy
end
def test_belongs_to
assert_equal @signals37.name, Client.find(3).firm.name
assert Client.find(3).has_firm?, "Microsoft should have a firm"
# assert !Company.find(1).has_firm?, "37signals shouldn't have a firm"
end
def test_belongs_to_with_different_class_name
assert_equal Company.find(1).name, Company.find(3).firm_with_other_name.name
assert Company.find(3).has_firm_with_other_name?, "Microsoft should have a firm"
end
def test_belongs_to_with_condition
assert_equal Company.find(1).name, Company.find(3).firm_with_condition.name
assert Company.find(3).has_firm_with_condition?, "Microsoft should have a firm"
end
def test_belongs_to_equality
assert Company.find(3).firm?(Company.find(1)), "Microsoft should have 37signals as firm"
assert_raises(RuntimeError) { !Company.find(3).firm?(Company.find(3)) } # "Summit shouldn't have itself as firm"
end
def test_has_one
assert @signals37.account?(Account.find(1))
assert_equal Account.find(1).credit_limit, @signals37.account.credit_limit
assert @signals37.has_account?, "37signals should have an account"
assert Account.find(1).firm?(@signals37), "37signals account should be able to backtrack"
assert Account.find(1).has_firm?, "37signals account should be able to backtrack"
assert !Account.find(2).has_firm?, "Unknown isn't linked"
assert !Account.find(2).firm?(@signals37), "Unknown isn't linked"
end
def test_has_many_dependence_on_account
assert_equal 2, Account.find_all.length
@signals37.destroy
assert_equal 1, Account.find_all.length
end
def test_find_in
assert_equal Client.find(2).name, @signals37.find_in_clients(2).name
assert_raises(ActiveRecord::RecordNotFound) { @signals37.find_in_clients(6) }
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 !firm.has_clients?, "New firm shouldn't have clients"
assert_equal 0, firm.clients_count, "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_count, "New firm should have cached 0 clients count"
assert !firm.clients(true).empty?, "New firm should have reloaded client objects"
assert firm.has_clients?(true), "New firm should have reloaded with a have-clients response"
assert_equal 1, firm.clients_count(true), "New firm should have reloaded clients count"
end
def test_included_in_collection
assert @signals37.clients.include?(Client.find(2))
end
def test_build_to_collection
assert_equal 1, @signals37.clients_of_firm_count
new_client = @signals37.build_to_clients_of_firm("name" => "Another Client")
assert_equal "Another Client", new_client.name
assert new_client.save
assert new_client.firm?(@signals37)
assert_equal 2, @signals37.clients_of_firm_count(true)
end
def test_create_in_collection
assert_equal @signals37.create_in_clients_of_firm("name" => "Another Client"), @signals37.clients_of_firm(true).last
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_create_association
firm = Firm.new("name" => "GlobalMegaCorp")
firm.save
assert_equal firm.create_account("credit_limit" => 1000), firm.account
end
def test_has_and_belongs_to_many
david = Developer.find(1)
assert david.has_projects?
assert_equal 2, david.projects_count
active_record = Project.find(1)
assert active_record.has_developers?
assert_equal 2, active_record.developers_count
assert_equal david.name, active_record.developers.first.name
end
def test_has_and_belongs_to_many_removing
david = Developer.find(1)
active_record = Project.find(1)
david.remove_projects(active_record)
assert_equal 1, david.projects_count
assert_equal 1, active_record.developers_count
end
def test_has_and_belongs_to_many_zero
david = Developer.find(1)
david.remove_projects(Project.find_all)
assert_equal 0, david.projects_count
assert !david.has_projects?
end
def test_has_and_belongs_to_many_adding
jamis = Developer.find(2)
action_controller = Project.find(2)
jamis.add_projects(action_controller)
assert_equal 2, jamis.projects_count
assert_equal 2, action_controller.developers_count
end
def test_has_and_belongs_to_many_adding_from_the_project
jamis = Developer.find(2)
action_controller = Project.find(2)
action_controller.add_developers(jamis)
assert_equal 2, jamis.projects_count
assert_equal 2, action_controller.developers_count
end
def test_has_and_belongs_to_many_adding_a_collection
aredridel = Developer.new("name" => "Aredridel")
aredridel.save
aredridel.add_projects([ Project.find(1), Project.find(2) ])
assert_equal 2, aredridel.projects_count
end
def test_belongs_to_counter
topic = Topic.create("title" => "Apple", "content" => "hello world")
assert_equal 0, topic.send(:read_attribute, "replies_count"), "No replies yet"
reply = topic.create_in_replies("title" => "I'm saying no!", "content" => "over here")
assert_equal 1, Topic.find(topic.id).send(:read_attribute, "replies_count"), "First reply created"
reply.destroy
assert_equal 0, Topic.find(topic.id).send(:read_attribute, "replies_count"), "First reply deleted"
end
def test_natural_assignment_of_has_one
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_of_belongs_to
apple = Firm.create("name" => "Apple")
citibank = Account.create("credit_limit" => 10)
citibank.firm = apple
assert_equal apple.id, citibank.firm_id
end
def test_natural_assignment_of_has_many
apple = Firm.create("name" => "Apple")
natural = Client.create("name" => "Natural Company")
apple.clients << natural
assert_equal apple.id, natural.firm_id
assert_equal Client.find(natural.id), Firm.find(apple.id).clients.find(natural.id)
apple.clients.delete natural
assert_raises(ActiveRecord::RecordNotFound) {
Firm.find(apple.id).clients.find(natural.id)
}
end
def test_natural_adding_of_has_and_belongs_to_many
rails = Project.create("name" => "Rails")
ap = Project.create("name" => "Action Pack")
john = Developer.create("name" => "John")
mike = Developer.create("name" => "Mike")
rails.developers << john
rails.developers << mike
assert_equal Developer.find(john.id), Project.find(rails.id).developers.find(john.id)
assert_equal Developer.find(mike.id), Project.find(rails.id).developers.find(mike.id)
assert_equal Project.find(rails.id), Developer.find(mike.id).projects.find(rails.id)
assert_equal Project.find(rails.id), Developer.find(john.id).projects.find(rails.id)
ap.developers << john
assert_equal Developer.find(john.id), Project.find(ap.id).developers.find(john.id)
assert_equal Project.find(ap.id), Developer.find(john.id).projects.find(ap.id)
ap.developers.delete john
assert_raises(ActiveRecord::RecordNotFound) {
Project.find(ap.id).developers.find(john.id)
}
assert_raises(ActiveRecord::RecordNotFound) {
Developer.find(john.id).projects.find(ap.id)
}
end
def test_storing_in_pstore
require "pstore"
require "tmpdir"
apple = Firm.create("name" => "Apple")
natural = Client.new("name" => "Natural Company")
apple.clients << natural
db = PStore.new(File.join(Dir.tmpdir, "ar-pstore-association-test"))
db.transaction do
db["apple"] = apple
end
db = PStore.new(File.join(Dir.tmpdir, "ar-pstore-association-test"))
db.transaction do
assert_equal "Natural Company", db["apple"].clients.first.name
end
end
def test_has_many_find_all
assert_equal 2, Firm.find_first.find_all_in_clients("type = 'Client'").length
assert_equal 1, Firm.find_first.find_all_in_clients("name = 'Summit'").length
end
def test_has_one
assert @signals37.account?(Account.find(1))
assert @signals37.has_account?, "37signals should have an account"
assert Account.find(1).firm?(@signals37), "37signals account should be able to backtrack"
assert Account.find(1).has_firm?, "37signals account should be able to backtrack"
assert !Account.find(2).has_firm?, "Unknown isn't linked"
assert !Account.find(2).firm?(@signals37), "Unknown isn't linked"
end
def test_has_one_build
firm = Firm.new("name" => "GlobalMegaCorp")
assert firm.save
account = firm.build_account("credit_limit" => 1000)
assert account.save
assert_equal account, firm.account
end
def test_has_one_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_has_one_create
firm = Firm.new("name" => "GlobalMegaCorp")
firm.save
assert_equal firm.create_account("credit_limit" => 1000), firm.account
end
end