require 'abstract_unit'
require 'active_record/acts/list'
require 'fixtures/post'
require 'fixtures/comment'
require 'fixtures/author'
require 'fixtures/category'
require 'fixtures/categorization'
require 'fixtures/mixin'
require 'fixtures/company'
require 'fixtures/topic'
require 'fixtures/reply'
class CascadedEagerLoadingTest < Test::Unit::TestCase
fixtures :authors, :mixins, :companies, :posts, :topics
def test_eager_association_loading_with_cascaded_two_levels
authors = Author.find(:all, :include=>{:posts=>:comments}, :order=>"authors.id")
assert_equal 2, authors.size
assert_equal 5, authors[0].posts.size
assert_equal 1, authors[1].posts.size
assert_equal 9, authors[0].posts.collect{|post| post.comments.size }.inject(0){|sum,i| sum+i}
end
def test_eager_association_loading_with_cascaded_two_levels_and_one_level
authors = Author.find(:all, :include=>[{:posts=>:comments}, :categorizations], :order=>"authors.id")
assert_equal 2, authors.size
assert_equal 5, authors[0].posts.size
assert_equal 1, authors[1].posts.size
assert_equal 9, authors[0].posts.collect{|post| post.comments.size }.inject(0){|sum,i| sum+i}
assert_equal 1, authors[0].categorizations.size
assert_equal 2, authors[1].categorizations.size
end
def test_eager_association_loading_with_cascaded_two_levels_with_two_has_many_associations
authors = Author.find(:all, :include=>{:posts=>[:comments, :categorizations]}, :order=>"authors.id")
assert_equal 2, authors.size
assert_equal 5, authors[0].posts.size
assert_equal 1, authors[1].posts.size
assert_equal 9, authors[0].posts.collect{|post| post.comments.size }.inject(0){|sum,i| sum+i}
end
def test_eager_association_loading_with_cascaded_two_levels_and_self_table_reference
authors = Author.find(:all, :include=>{:posts=>[:comments, :author]}, :order=>"authors.id")
assert_equal 2, authors.size
assert_equal 5, authors[0].posts.size
assert_equal authors(:david).name, authors[0].name
assert_equal [authors(:david).name], authors[0].posts.collect{|post| post.author.name}.uniq
end
def test_eager_association_loading_with_cascaded_two_levels_with_condition
authors = Author.find(:all, :include=>{:posts=>:comments}, :conditions=>"authors.id=1", :order=>"authors.id")
assert_equal 1, authors.size
assert_equal 5, authors[0].posts.size
end
def test_eager_association_loading_with_acts_as_tree
roots = TreeMixin.find(:all, :include=>"children", :conditions=>"mixins.parent_id IS NULL", :order=>"mixins.id")
assert_equal [mixins(:tree_1), mixins(:tree2_1), mixins(:tree3_1)], roots
assert_no_queries do
assert_equal 2, roots[0].children.size
assert_equal 0, roots[1].children.size
assert_equal 0, roots[2].children.size
end
end
def test_eager_association_loading_with_cascaded_three_levels_by_ping_pong
firms = Firm.find(:all, :include=>{:account=>{:firm=>:account}}, :order=>"companies.id")
assert_equal 2, firms.size
assert_equal firms.first.account, firms.first.account.firm.account
assert_equal companies(:first_firm).account, assert_no_queries { firms.first.account.firm.account }
assert_equal companies(:first_firm).account.firm.account, assert_no_queries { firms.first.account.firm.account }
end
def test_eager_association_loading_with_has_many_sti
topics = Topic.find(:all, :include => :replies, :order => 'topics.id')
assert_equal [topics(:first), topics(:second)], topics
assert_no_queries do
assert_equal 1, topics[0].replies.size
assert_equal 0, topics[1].replies.size
end
end
def test_eager_association_loading_with_belongs_to_sti
replies = Reply.find(:all, :include => :topic, :order => 'topics.id')
assert_equal [topics(:second)], replies
assert_equal topics(:first), assert_no_queries { replies.first.topic }
end
def test_eager_association_loading_with_multiple_stis_and_order
author = Author.find(:first, :include => { :posts => [ :special_comments , :very_special_comment ] }, :order => 'authors.name, comments.body, very_special_comments_posts.body', :conditions => 'posts.id = 4')
assert_equal authors(:david), author
assert_no_queries do
author.posts.first.special_comments
author.posts.first.very_special_comment
end
end
def test_eager_association_loading_of_stis_with_multiple_references
authors = Author.find(:all, :include => { :posts => { :special_comments => { :post => [ :special_comments, :very_special_comment ] } } }, :order => 'comments.body, very_special_comments_posts.body', :conditions => 'posts.id = 4')
assert_equal [authors(:david)], authors
assert_no_queries do
authors.first.posts.first.special_comments.first.post.special_comments
authors.first.posts.first.special_comments.first.post.very_special_comment
end
end
def test_eager_association_loading_with_recursive_cascading_three_levels_has_many
root_node = RecursivelyCascadedTreeMixin.find(:first, :include=>{:children=>{:children=>:children}}, :order => 'mixins.id')
assert_equal mixins(:recursively_cascaded_tree_4), assert_no_queries { root_node.children.first.children.first.children.first }
end
def test_eager_association_loading_with_recursive_cascading_three_levels_has_one
root_node = RecursivelyCascadedTreeMixin.find(:first, :include=>{:first_child=>{:first_child=>:first_child}}, :order => 'mixins.id')
assert_equal mixins(:recursively_cascaded_tree_4), assert_no_queries { root_node.first_child.first_child.first_child }
end
def test_eager_association_loading_with_recursive_cascading_three_levels_belongs_to
leaf_node = RecursivelyCascadedTreeMixin.find(:first, :include=>{:parent=>{:parent=>:parent}}, :order => 'mixins.id DESC')
assert_equal mixins(:recursively_cascaded_tree_1), assert_no_queries { leaf_node.parent.parent.parent }
end
end
require 'fixtures/vertex'
require 'fixtures/edge'
class CascadedEagerLoadingTest < Test::Unit::TestCase
fixtures :edges, :vertices
def test_eager_association_loading_with_recursive_cascading_four_levels_has_many_through
source = Vertex.find(:first, :include=>{:sinks=>{:sinks=>{:sinks=>:sinks}}}, :order => 'vertices.id')
assert_equal vertices(:vertex_4), assert_no_queries { source.sinks.first.sinks.first.sinks.first }
end
def test_eager_association_loading_with_recursive_cascading_four_levels_has_and_belongs_to_many
sink = Vertex.find(:first, :include=>{:sources=>{:sources=>{:sources=>:sources}}}, :order => 'vertices.id DESC')
assert_equal vertices(:vertex_1), assert_no_queries { sink.sources.first.sources.first.sources.first.sources.first }
end
end
