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require 'abstract_unit'
require 'fixtures/tag'
require 'fixtures/tagging'
require 'fixtures/post'
require 'fixtures/comment'
require 'fixtures/author'
require 'fixtures/category'
require 'fixtures/categorization'
class AssociationsJoinModelTest < Test::Unit::TestCase
self.use_transactional_fixtures = false
fixtures :posts, :authors, :categories, :categorizations, :comments, :tags, :taggings, :author_favorites
def test_has_many
assert_equal categories(:general), authors(:david).categories.first
end
def test_has_many_inherited
assert_equal categories(:sti_test), authors(:mary).categories.first
end
def test_inherited_has_many
assert_equal authors(:mary), categories(:sti_test).authors.first
end
def test_polymorphic_has_many
assert_equal taggings(:welcome_general), posts(:welcome).taggings.first
end
def test_polymorphic_has_one
assert_equal taggings(:welcome_general), posts(:welcome).tagging
end
def test_polymorphic_belongs_to
assert_equal posts(:welcome), posts(:welcome).taggings.first.taggable
end
def test_polymorphic_has_many_going_through_join_model
assert_equal tags(:general), tag = posts(:welcome).tags.first
assert_no_queries do
tag.tagging
end
end
def test_count_polymorphic_has_many
assert_equal 1, posts(:welcome).taggings.count
assert_equal 1, posts(:welcome).tags.count
end
def test_polymorphic_has_many_going_through_join_model_with_find
assert_equal tags(:general), tag = posts(:welcome).tags.find(:first)
assert_no_queries do
tag.tagging
end
end
def test_polymorphic_has_many_going_through_join_model_with_include_on_source_reflection
assert_equal tags(:general), tag = posts(:welcome).funky_tags.first
assert_no_queries do
tag.tagging
end
end
def test_polymorphic_has_many_going_through_join_model_with_include_on_source_reflection_with_find
assert_equal tags(:general), tag = posts(:welcome).funky_tags.find(:first)
assert_no_queries do
tag.tagging
end
end
def test_polymorphic_has_many_going_through_join_model_with_disabled_include
assert_equal tags(:general), tag = posts(:welcome).tags.add_joins_and_select.first
assert_queries 1 do
tag.tagging
end
end
def test_polymorphic_has_many_going_through_join_model_with_custom_select_and_joins
assert_equal tags(:general), tag = posts(:welcome).tags.add_joins_and_select.first
tag.author_id
end
def test_polymorphic_has_many_going_through_join_model_with_custom_foreign_key
assert_equal tags(:misc), taggings(:welcome_general).super_tag
assert_equal tags(:misc), posts(:welcome).super_tags.first
end
def test_polymorphic_has_many_create_model_with_inheritance_and_custom_base_class
post = SubStiPost.create :title => 'SubStiPost', :body => 'SubStiPost body'
assert_instance_of SubStiPost, post
tagging = tags(:misc).taggings.create(:taggable => post)
assert_equal "SubStiPost", tagging.taggable_type
end
def test_polymorphic_has_many_going_through_join_model_with_inheritance
assert_equal tags(:general), posts(:thinking).tags.first
end
def test_polymorphic_has_many_going_through_join_model_with_inheritance_with_custom_class_name
assert_equal tags(:general), posts(:thinking).funky_tags.first
end
def test_polymorphic_has_many_create_model_with_inheritance
post = posts(:thinking)
assert_instance_of SpecialPost, post
tagging = tags(:misc).taggings.create(:taggable => post)
assert_equal "Post", tagging.taggable_type
end
def test_polymorphic_has_one_create_model_with_inheritance
tagging = tags(:misc).create_tagging(:taggable => posts(:thinking))
assert_equal "Post", tagging.taggable_type
end
def test_set_polymorphic_has_many
tagging = tags(:misc).taggings.create
posts(:thinking).taggings << tagging
assert_equal "Post", tagging.taggable_type
end
def test_set_polymorphic_has_one
tagging = tags(:misc).taggings.create
posts(:thinking).tagging = tagging
assert_equal "Post", tagging.taggable_type
end
def test_create_polymorphic_has_many_with_scope
old_count = posts(:welcome).taggings.count
tagging = posts(:welcome).taggings.create(:tag => tags(:misc))
assert_equal "Post", tagging.taggable_type
assert_equal old_count+1, posts(:welcome).taggings.count
end
def test_create_polymorphic_has_one_with_scope
old_count = Tagging.count
tagging = posts(:welcome).tagging.create(:tag => tags(:misc))
assert_equal "Post", tagging.taggable_type
assert_equal old_count+1, Tagging.count
end
def test_delete_polymorphic_has_many_with_delete_all
assert_equal 1, posts(:welcome).taggings.count
posts(:welcome).taggings.first.update_attribute :taggable_type, 'PostWithHasManyDeleteAll'
post = find_post_with_dependency(1, :has_many, :taggings, :delete_all)
old_count = Tagging.count
post.destroy
assert_equal old_count-1, Tagging.count
assert_equal 0, posts(:welcome).taggings.count
end
def test_delete_polymorphic_has_many_with_destroy
assert_equal 1, posts(:welcome).taggings.count
posts(:welcome).taggings.first.update_attribute :taggable_type, 'PostWithHasManyDestroy'
post = find_post_with_dependency(1, :has_many, :taggings, :destroy)
old_count = Tagging.count
post.destroy
assert_equal old_count-1, Tagging.count
assert_equal 0, posts(:welcome).taggings.count
end
def test_delete_polymorphic_has_many_with_nullify
assert_equal 1, posts(:welcome).taggings.count
posts(:welcome).taggings.first.update_attribute :taggable_type, 'PostWithHasManyNullify'
post = find_post_with_dependency(1, :has_many, :taggings, :nullify)
old_count = Tagging.count
post.destroy
assert_equal old_count, Tagging.count
assert_equal 0, posts(:welcome).taggings.count
end
def test_delete_polymorphic_has_one_with_destroy
assert posts(:welcome).tagging
posts(:welcome).tagging.update_attribute :taggable_type, 'PostWithHasOneDestroy'
post = find_post_with_dependency(1, :has_one, :tagging, :destroy)
old_count = Tagging.count
post.destroy
assert_equal old_count-1, Tagging.count
assert_nil posts(:welcome).tagging(true)
end
def test_delete_polymorphic_has_one_with_nullify
assert posts(:welcome).tagging
posts(:welcome).tagging.update_attribute :taggable_type, 'PostWithHasOneNullify'
post = find_post_with_dependency(1, :has_one, :tagging, :nullify)
old_count = Tagging.count
post.destroy
assert_equal old_count, Tagging.count
assert_nil posts(:welcome).tagging(true)
end
def test_has_many_with_piggyback
assert_equal "2", categories(:sti_test).authors.first.post_id.to_s
end
def test_include_has_many_through
posts = Post.find(:all, :order => 'posts.id')
posts_with_authors = Post.find(:all, :include => :authors, :order => 'posts.id')
assert_equal posts.length, posts_with_authors.length
posts.length.times do |i|
assert_equal posts[i].authors.length, assert_no_queries { posts_with_authors[i].authors.length }
end
end
def test_include_polymorphic_has_one
post = Post.find_by_id(posts(:welcome).id, :include => :tagging)
tagging = taggings(:welcome_general)
assert_no_queries do
assert_equal tagging, post.tagging
end
end
def test_include_polymorphic_has_many_through
posts = Post.find(:all, :order => 'posts.id')
posts_with_tags = Post.find(:all, :include => :tags, :order => 'posts.id')
assert_equal posts.length, posts_with_tags.length
posts.length.times do |i|
assert_equal posts[i].tags.length, assert_no_queries { posts_with_tags[i].tags.length }
end
end
def test_include_polymorphic_has_many
posts = Post.find(:all, :order => 'posts.id')
posts_with_taggings = Post.find(:all, :include => :taggings, :order => 'posts.id')
assert_equal posts.length, posts_with_taggings.length
posts.length.times do |i|
assert_equal posts[i].taggings.length, assert_no_queries { posts_with_taggings[i].taggings.length }
end
end
def test_has_many_find_all
assert_equal [categories(:general)], authors(:david).categories.find(:all)
end
def test_has_many_find_first
assert_equal categories(:general), authors(:david).categories.find(:first)
end
def test_has_many_find_conditions
assert_equal categories(:general), authors(:david).categories.find(:first, :conditions => "categories.name = 'General'")
assert_equal nil, authors(:david).categories.find(:first, :conditions => "categories.name = 'Technology'")
end
def test_has_many_class_methods_called_by_method_missing
assert_equal categories(:general), authors(:david).categories.find_all_by_name('General').first
# assert_equal nil, authors(:david).categories.find_by_name('Technology')
end
def test_has_many_going_through_join_model_with_custom_foreign_key
assert_equal [], posts(:thinking).authors
assert_equal [authors(:mary)], posts(:authorless).authors
end
def test_belongs_to_polymorphic_with_counter_cache
assert_equal 0, posts(:welcome)[:taggings_count]
tagging = posts(:welcome).taggings.create(:tag => tags(:general))
assert_equal 1, posts(:welcome, :reload)[:taggings_count]
tagging.destroy
assert posts(:welcome, :reload)[:taggings_count].zero?
end
def test_unavailable_through_reflection
assert_raises (ActiveRecord::HasManyThroughAssociationNotFoundError) { authors(:david).nothings }
end
def test_has_many_through_join_model_with_conditions
assert_equal [], posts(:welcome).invalid_taggings
assert_equal [], posts(:welcome).invalid_tags
end
def test_has_many_polymorphic
assert_raises ActiveRecord::HasManyThroughAssociationPolymorphicError do
assert_equal [posts(:welcome), posts(:thinking)], tags(:general).taggables
end
assert_raises ActiveRecord::EagerLoadPolymorphicError do
assert_equal [posts(:welcome), posts(:thinking)], tags(:general).taggings.find(:all, :include => :taggable)
end
end
def test_has_many_through_has_many_find_all
assert_equal comments(:greetings), authors(:david).comments.find(:all, :order => 'comments.id').first
end
def test_has_many_through_has_many_find_all_with_custom_class
assert_equal comments(:greetings), authors(:david).funky_comments.find(:all, :order => 'comments.id').first
end
def test_has_many_through_has_many_find_first
assert_equal comments(:greetings), authors(:david).comments.find(:first, :order => 'comments.id')
end
def test_has_many_through_has_many_find_conditions
assert_equal comments(:does_it_hurt), authors(:david).comments.find(:first, :conditions => "comments.type='SpecialComment'", :order => 'comments.id')
end
def test_has_many_through_has_many_find_by_id
assert_equal comments(:more_greetings), authors(:david).comments.find(2)
end
def test_has_many_through_polymorphic_has_one
assert_raise(ActiveRecord::HasManyThroughSourceAssociationMacroError) { authors(:david).tagging }
end
def test_has_many_through_polymorphic_has_many
assert_equal [taggings(:welcome_general), taggings(:thinking_general)], authors(:david).taggings.uniq.sort_by { |t| t.id }
end
def test_include_has_many_through_polymorphic_has_many
author = Author.find_by_id(authors(:david).id, :include => :taggings)
expected_taggings = [taggings(:welcome_general), taggings(:thinking_general)]
assert_no_queries do
assert_equal expected_taggings, author.taggings.uniq.sort_by { |t| t.id }
end
end
def test_has_many_through_has_many_through
assert_raise(ActiveRecord::HasManyThroughSourceAssociationMacroError) { authors(:david).tags }
end
def test_has_many_through_habtm
assert_raise(ActiveRecord::HasManyThroughSourceAssociationMacroError) { authors(:david).post_categories }
end
def test_eager_load_has_many_through_has_many
author = Author.find :first, :conditions => ['name = ?', 'David'], :include => :comments, :order => 'comments.id'
SpecialComment.new; VerySpecialComment.new
assert_no_queries do
assert_equal [1,2,3,5,6,7,8,9,10], author.comments.collect(&:id)
end
end
def test_eager_belongs_to_and_has_one_not_singularized
assert_nothing_raised do
Author.find(:first, :include => :author_address)
AuthorAddress.find(:first, :include => :author)
end
end
def test_self_referential_has_many_through
assert_equal [authors(:mary)], authors(:david).favorite_authors
assert_equal [], authors(:mary).favorite_authors
end
def test_add_to_self_referential_has_many_through
new_author = Author.create(:name => "Bob")
authors(:david).author_favorites.create :favorite_author => new_author
assert_equal new_author, authors(:david).reload.favorite_authors.first
end
def test_has_many_through_uses_correct_attributes
assert_nil posts(:thinking).tags.find_by_name("General").attributes["tag_id"]
end
private
# create dynamic Post models to allow different dependency options
def find_post_with_dependency(post_id, association, association_name, dependency)
class_name = "PostWith#{association.to_s.classify}#{dependency.to_s.classify}"
Post.find(post_id).update_attribute :type, class_name
klass = Object.const_set(class_name, Class.new(ActiveRecord::Base))
klass.set_table_name 'posts'
klass.send(association, association_name, :as => :taggable, :dependent => dependency)
klass.find(post_id)
end
end
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