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executable file 371 lines (307 sloc) 13.378 kB
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/categorization'
require 'models/category'
require 'models/post'
require 'models/author'
require 'models/comment'
require 'models/tag'
require 'models/tagging'
require 'models/person'
require 'models/reader'
require 'models/parrot'
require 'models/pirate'
require 'models/treasure'
require 'models/price_estimate'
require 'models/club'
require 'models/member'
require 'models/membership'
require 'models/sponsor'
class AssociationsTest < ActiveRecord::TestCase
fixtures :accounts, :companies, :developers, :projects, :developers_projects,
:computers
def test_include_with_order_works
assert_nothing_raised {Account.find(:first, :order => 'id', :include => :firm)}
assert_nothing_raised {Account.find(:first, :order => :id, :include => :firm)}
end
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_should_construct_new_finder_sql_after_create
person = Person.new :first_name => 'clark'
assert_equal [], person.readers.find(:all)
person.save!
reader = Reader.create! :person => person, :post => Post.new(:title => "foo", :body => "bar")
assert_equal [reader], person.readers.find(:all)
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_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_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.exist?(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 < ActiveRecord::TestCase
fixtures :authors, :posts, :categorizations, :categories, :developers, :projects, :developers_projects
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.class # 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.class # force load target
assert_equal david.posts_with_extension, david.posts_with_extension.testing_proxy_target
end
def test_push_does_not_load_target
david = authors(:david)
david.posts << (post = Post.new(:title => "New on Edge", :body => "More cool stuff!"))
assert !david.posts.loaded?
assert david.posts.include?(post)
end
def test_push_has_many_through_does_not_load_target
david = authors(:david)
david.categories << categories(:technology)
assert !david.categories.loaded?
assert david.categories.include?(categories(:technology))
end
def test_push_followed_by_save_does_not_load_target
david = authors(:david)
david.posts << (post = Post.new(:title => "New on Edge", :body => "More cool stuff!"))
assert !david.posts.loaded?
david.save
assert !david.posts.loaded?
assert david.posts.include?(post)
end
def test_push_does_not_lose_additions_to_new_record
josh = Author.new(:name => "Josh")
josh.posts << Post.new(:title => "New on Edge", :body => "More cool stuff!")
assert josh.posts.loaded?
assert_equal 1, josh.posts.size
end
def test_save_on_parent_does_not_load_target
david = developers(:david)
assert !david.projects.loaded?
david.update_attribute(:created_at, Time.now)
assert !david.projects.loaded?
end
def test_inspect_does_not_reload_a_not_yet_loaded_target
andreas = Developer.new :name => 'Andreas', :log => 'new developer added'
assert !andreas.audit_logs.loaded?
assert_match(/message: "new developer added"/, andreas.audit_logs.inspect)
end
def test_save_on_parent_saves_children
developer = Developer.create :name => "Bryan", :salary => 50_000
assert_equal 1, developer.reload.audit_logs.size
end
def test_create_via_association_with_block
post = authors(:david).posts.create(:title => "New on Edge") {|p| p.body = "More cool stuff!"}
assert_equal post.title, "New on Edge"
assert_equal post.body, "More cool stuff!"
end
def test_create_with_bang_via_association_with_block
post = authors(:david).posts.create!(:title => "New on Edge") {|p| p.body = "More cool stuff!"}
assert_equal post.title, "New on Edge"
assert_equal post.body, "More cool stuff!"
end
def test_failed_reload_returns_nil
p = setup_dangling_association
assert_nil p.author.reload
end
def test_failed_reset_returns_nil
p = setup_dangling_association
assert_nil p.author.reset
end
def test_reload_returns_assocition
david = developers(:david)
assert_nothing_raised do
assert_equal david.projects, david.projects.reload.reload
end
end
def test_belongs_to_mass_assignment
post_attributes = { :title => 'Associations', :body => 'Are They Accessible?' }
author_attributes = { :name => 'David Dollar' }
assert_no_difference 'Author.count' do
assert_raise(ActiveRecord::AssociationTypeMismatch) do
Post.create(post_attributes.merge({:author => author_attributes}))
end
end
assert_difference 'Author.count' do
post = Post.create(post_attributes.merge({:creatable_author => author_attributes}))
assert_equal post.creatable_author.name, author_attributes[:name]
end
end
def test_has_one_mass_assignment
post_attributes = { :title => 'Associations', :body => 'Are They Accessible?' }
comment_attributes = { :body => 'Setter Takes Hash' }
assert_no_difference 'Comment.count' do
assert_raise(ActiveRecord::AssociationTypeMismatch) do
Post.create(post_attributes.merge({:uncreatable_comment => comment_attributes}))
end
end
assert_difference 'Comment.count' do
post = Post.create(post_attributes.merge({:creatable_comment => comment_attributes}))
assert_equal post.creatable_comment.body, comment_attributes[:body]
end
end
def test_has_many_mass_assignment
post = posts(:welcome)
post_attributes = { :title => 'Associations', :body => 'Are They Accessible?' }
comment_attributes = { :body => 'Setter Takes Hash' }
assert_no_difference 'Comment.count' do
assert_raise(ActiveRecord::AssociationTypeMismatch) do
Post.create(post_attributes.merge({:comments => [comment_attributes]}))
end
assert_raise(ActiveRecord::AssociationTypeMismatch) do
post.comments << comment_attributes
end
end
assert_difference 'Comment.count' do
post = Post.create(post_attributes.merge({:creatable_comments => [comment_attributes]}))
assert_equal post.creatable_comments.last.body, comment_attributes[:body]
end
assert_difference 'Comment.count' do
post.creatable_comments << comment_attributes
assert_equal post.comments.last.body, comment_attributes[:body]
end
post.creatable_comments = [comment_attributes, comment_attributes]
assert_equal post.creatable_comments.count, 2
end
def test_has_and_belongs_to_many_mass_assignment
post = posts(:welcome)
post_attributes = { :title => 'Associations', :body => 'Are They Accessible?' }
category_attributes = { :name => 'Accessible Association', :type => 'Category' }
assert_no_difference 'Category.count' do
assert_raise(ActiveRecord::AssociationTypeMismatch) do
Post.create(post_attributes.merge({:categories => [category_attributes]}))
end
assert_raise(ActiveRecord::AssociationTypeMismatch) do
post.categories << category_attributes
end
end
assert_difference 'Category.count' do
post = Post.create(post_attributes.merge({:creatable_categories => [category_attributes]}))
assert_equal post.creatable_categories.last.name, category_attributes[:name]
end
assert_difference 'Category.count' do
post.creatable_categories << category_attributes
assert_equal post.creatable_categories.last.name, category_attributes[:name]
end
post.creatable_categories = [category_attributes, category_attributes]
assert_equal post.creatable_categories.count, 2
end
def test_association_proxy_setter_can_take_hash
special_comment_attributes = { :body => 'Setter Takes Hash' }
post = posts(:welcome)
post.creatable_comment = { :body => 'Setter Takes Hash' }
assert_equal post.creatable_comment.body, special_comment_attributes[:body]
end
def test_association_collection_can_take_hash
post_attributes = { :title => 'Setter Takes', :body => 'Hash' }
david = authors(:david)
post = (david.posts << post_attributes).last
assert_equal post.title, post_attributes[:title]
david.posts = [post_attributes, post_attributes]
assert_equal david.posts.count, 2
end
def setup_dangling_association
josh = Author.create(:name => "Josh")
p = Post.create(:title => "New on Edge", :body => "More cool stuff!", :author => josh)
josh.destroy
p
end
end
class OverridingAssociationsTest < ActiveRecord::TestCase
class Person < ActiveRecord::Base; end
class DifferentPerson < ActiveRecord::Base; end
class PeopleList < ActiveRecord::Base
has_and_belongs_to_many :has_and_belongs_to_many, :before_add => :enlist
has_many :has_many, :before_add => :enlist
belongs_to :belongs_to
has_one :has_one
end
class DifferentPeopleList < PeopleList
# Different association with the same name, callbacks should be omitted here.
has_and_belongs_to_many :has_and_belongs_to_many, :class_name => 'DifferentPerson'
has_many :has_many, :class_name => 'DifferentPerson'
belongs_to :belongs_to, :class_name => 'DifferentPerson'
has_one :has_one, :class_name => 'DifferentPerson'
end
def test_habtm_association_redefinition_callbacks_should_differ_and_not_inherited
# redeclared association on AR descendant should not inherit callbacks from superclass
callbacks = PeopleList.read_inheritable_attribute(:before_add_for_has_and_belongs_to_many)
assert_equal([:enlist], callbacks)
callbacks = DifferentPeopleList.read_inheritable_attribute(:before_add_for_has_and_belongs_to_many)
assert_equal([], callbacks)
end
def test_has_many_association_redefinition_callbacks_should_differ_and_not_inherited
# redeclared association on AR descendant should not inherit callbacks from superclass
callbacks = PeopleList.read_inheritable_attribute(:before_add_for_has_many)
assert_equal([:enlist], callbacks)
callbacks = DifferentPeopleList.read_inheritable_attribute(:before_add_for_has_many)
assert_equal([], callbacks)
end
def test_habtm_association_redefinition_reflections_should_differ_and_not_inherited
assert_not_equal(
PeopleList.reflect_on_association(:has_and_belongs_to_many),
DifferentPeopleList.reflect_on_association(:has_and_belongs_to_many)
)
end
def test_has_many_association_redefinition_reflections_should_differ_and_not_inherited
assert_not_equal(
PeopleList.reflect_on_association(:has_many),
DifferentPeopleList.reflect_on_association(:has_many)
)
end
def test_belongs_to_association_redefinition_reflections_should_differ_and_not_inherited
assert_not_equal(
PeopleList.reflect_on_association(:belongs_to),
DifferentPeopleList.reflect_on_association(:belongs_to)
)
end
def test_has_one_association_redefinition_reflections_should_differ_and_not_inherited
assert_not_equal(
PeopleList.reflect_on_association(:has_one),
DifferentPeopleList.reflect_on_association(:has_one)
)
end
end
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