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require "cases/helper"
require 'models/developer'
require 'models/project'
require 'models/company'
require 'models/topic'
require 'models/reply'
require 'models/computer'
require 'models/customer'
require 'models/order'
require 'models/post'
require 'models/author'
require 'models/tag'
require 'models/tagging'
require 'models/comment'
class BelongsToAssociationsTest < ActiveRecord::TestCase
fixtures :accounts, :companies, :developers, :projects, :topics,
:developers_projects, :computers, :authors, :posts, :tags, :taggings, :comments
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_no_unexpected_aliasing
first_firm = companies(:first_firm)
another_firm = companies(:another_firm)
citibank = Account.create("credit_limit" => 10)
citibank.firm = first_firm
original_proxy = citibank.firm
citibank.firm = another_firm
assert_equal first_firm.object_id, original_proxy.object_id
assert_equal another_firm.object_id, citibank.firm.object_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_assigning_nil
p = Post.find(1)
c = Comment.find(1)
assert_equal p.id, c.post_id
assert_equal 2, Post.find(p.id).comments.size
c.post = nil
assert_equal 1, Post.find(p.id).comments.size
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_belongs_to_counter_after_save
topic = Topic.create!(:title => "monday night")
topic.replies.create!(:title => "re: monday night", :content => "football")
assert_equal 1, Topic.find(topic.id)[:replies_count]
topic.save!
assert_equal 1, Topic.find(topic.id)[:replies_count]
end
def test_belongs_to_counter_after_update_attributes
topic = Topic.create!(:title => "37s")
topic.replies.create!(:title => "re: 37s", :content => "rails")
assert_equal 1, Topic.find(topic.id)[:replies_count]
topic.update_attributes(:title => "37signals")
assert_equal 1, Topic.find(topic.id)[:replies_count]
end
def test_belongs_to_counter_after_save
topic = Topic.create("title" => "monday night")
topic.replies.create("title" => "re: monday night", "content" => "football")
assert_equal 1, Topic.find(topic.id).send(:read_attribute, "replies_count")
topic.save
assert_equal 1, Topic.find(topic.id).send(:read_attribute, "replies_count")
end
def test_belongs_to_counter_after_update_attributes
topic = Topic.create("title" => "37s")
topic.replies.create("title" => "re: 37s", "content" => "rails")
assert_equal 1, Topic.find(topic.id).send(:read_attribute, "replies_count")
topic.update_attributes("title" => "37signals")
assert_equal 1, Topic.find(topic.id).send(:read_attribute, "replies_count")
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
def test_cant_save_readonly_association
assert_raise(ActiveRecord::ReadOnlyRecord) { companies(:first_client).readonly_firm.save! }
assert companies(:first_client).readonly_firm.readonly?
end
def test_save_fails_for_invalid_belongs_to
log = AuditLog.new
assert log.valid?
log.build_developer # Build invalid association
assert !log.developer.valid?
assert !log.valid?
assert_equal "is invalid", log.errors.on("developer")
assert !log.save
end
end
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