Split associations_test.rb into multiple files based on association type. [Pratik]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@9233 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 380 insertions, 0 deletions

diff --git a/activerecord/test/cases/associations/belongs_to_associations_test.rb b/activerecord/test/cases/associations/belongs_to_associations_test.rb
new file mode 100644
index 0000000000..b8ec9117af
--- /dev/null
+++ b/activerecord/test/cases/associations/belongs_to_associations_test.rb
@@ -0,0 +1,380 @@
+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
+
+end