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require "cases/helper"
require 'models/post'
require 'models/person'
require 'models/reference'
require 'models/job'
require 'models/reader'
require 'models/comment'
require 'models/tag'
require 'models/tagging'
require 'models/author'
require 'models/owner'
require 'models/pet'
require 'models/toy'
require 'models/contract'
require 'models/company'
require 'models/developer'
require 'models/subscriber'
require 'models/book'
require 'models/subscription'
require 'models/essay'
require 'models/category'
require 'models/owner'
require 'models/categorization'
require 'models/member'
require 'models/membership'
require 'models/club'
class HasManyThroughAssociationsTest < ActiveRecord::TestCase
fixtures :posts, :readers, :people, :comments, :authors, :categories, :taggings, :tags,
:owners, :pets, :toys, :jobs, :references, :companies, :members, :author_addresses,
:subscribers, :books, :subscriptions, :developers, :categorizations, :essays
# Dummies to force column loads so query counts are clean.
def setup
Person.create :first_name => 'gummy'
Reader.create :person_id => 0, :post_id => 0
end
def test_include?
person = Person.new
post = Post.new
person.posts << post
assert person.posts.include?(post)
end
def test_associate_existing
post = posts(:thinking)
person = people(:david)
assert_queries(1) do
post.people << person
end
assert_queries(1) do
assert post.people.include?(person)
end
assert post.reload.people(true).include?(person)
end
def test_associate_existing_record_twice_should_add_to_target_twice
post = posts(:thinking)
person = people(:david)
assert_difference 'post.people.to_a.count', 2 do
post.people << person
post.people << person
end
end
def test_associate_existing_record_twice_should_add_records_twice
post = posts(:thinking)
person = people(:david)
assert_difference 'post.people.count', 2 do
post.people << person
post.people << person
end
end
def test_add_two_instance_and_then_deleting
post = posts(:thinking)
person = people(:david)
post.people << person
post.people << person
counts = ['post.people.count', 'post.people.to_a.count', 'post.readers.count', 'post.readers.to_a.count']
assert_difference counts, -2 do
post.people.delete(person)
end
assert !post.people.reload.include?(person)
end
def test_associating_new
assert_queries(1) { posts(:thinking) }
new_person = nil # so block binding catches it
assert_queries(0) do
new_person = Person.new :first_name => 'bob'
end
# Associating new records always saves them
# Thus, 1 query for the new person record, 1 query for the new join table record
assert_queries(2) do
posts(:thinking).people << new_person
end
assert_queries(1) do
assert posts(:thinking).people.include?(new_person)
end
assert posts(:thinking).reload.people(true).include?(new_person)
end
def test_associate_new_by_building
assert_queries(1) { posts(:thinking) }
assert_queries(0) do
posts(:thinking).people.build(:first_name => "Bob")
posts(:thinking).people.new(:first_name => "Ted")
end
# Should only need to load the association once
assert_queries(1) do
assert posts(:thinking).people.collect(&:first_name).include?("Bob")
assert posts(:thinking).people.collect(&:first_name).include?("Ted")
end
# 2 queries for each new record (1 to save the record itself, 1 for the join model)
# * 2 new records = 4
# + 1 query to save the actual post = 5
assert_queries(5) do
posts(:thinking).body += '-changed'
posts(:thinking).save
end
assert posts(:thinking).reload.people(true).collect(&:first_name).include?("Bob")
assert posts(:thinking).reload.people(true).collect(&:first_name).include?("Ted")
end
def test_build_then_save_with_has_many_inverse
post = posts(:thinking)
person = post.people.build(:first_name => "Bob")
person.save
post.reload
assert post.people.include?(person)
end
def test_build_then_save_with_has_one_inverse
post = posts(:thinking)
person = post.single_people.build(:first_name => "Bob")
person.save
post.reload
assert post.single_people.include?(person)
end
def test_delete_association
assert_queries(2){posts(:welcome);people(:michael); }
assert_queries(1) do
posts(:welcome).people.delete(people(:michael))
end
assert_queries(1) do
assert posts(:welcome).people.empty?
end
assert posts(:welcome).reload.people(true).empty?
end
def test_destroy_association
assert_no_difference "Person.count" do
assert_difference "Reader.count", -1 do
posts(:welcome).people.destroy(people(:michael))
end
end
assert posts(:welcome).reload.people.empty?
assert posts(:welcome).people(true).empty?
end
def test_destroy_all
assert_no_difference "Person.count" do
assert_difference "Reader.count", -1 do
posts(:welcome).people.destroy_all
end
end
assert posts(:welcome).reload.people.empty?
assert posts(:welcome).people(true).empty?
end
def test_should_raise_exception_for_destroying_mismatching_records
assert_no_difference ["Person.count", "Reader.count"] do
assert_raise(ActiveRecord::AssociationTypeMismatch) { posts(:welcome).people.destroy(posts(:thinking)) }
end
end
def test_delete_through_belongs_to_with_dependent_nullify
Reference.make_comments = true
person = people(:michael)
job = jobs(:magician)
reference = Reference.where(:job_id => job.id, :person_id => person.id).first
assert_no_difference ['Job.count', 'Reference.count'] do
assert_difference 'person.jobs.count', -1 do
person.jobs_with_dependent_nullify.delete(job)
end
end
assert_equal nil, reference.reload.job_id
ensure
Reference.make_comments = false
end
def test_delete_through_belongs_to_with_dependent_delete_all
Reference.make_comments = true
person = people(:michael)
job = jobs(:magician)
# Make sure we're not deleting everything
assert person.jobs.count >= 2
assert_no_difference 'Job.count' do
assert_difference ['person.jobs.count', 'Reference.count'], -1 do
person.jobs_with_dependent_delete_all.delete(job)
end
end
# Check that the destroy callback on Reference did not run
assert_equal nil, person.reload.comments
ensure
Reference.make_comments = false
end
def test_delete_through_belongs_to_with_dependent_destroy
Reference.make_comments = true
person = people(:michael)
job = jobs(:magician)
# Make sure we're not deleting everything
assert person.jobs.count >= 2
assert_no_difference 'Job.count' do
assert_difference ['person.jobs.count', 'Reference.count'], -1 do
person.jobs_with_dependent_destroy.delete(job)
end
end
# Check that the destroy callback on Reference ran
assert_equal "Reference destroyed", person.reload.comments
ensure
Reference.make_comments = false
end
def test_belongs_to_with_dependent_destroy
person = PersonWithDependentDestroyJobs.find(1)
# Create a reference which is not linked to a job. This should not be destroyed.
person.references.create!
assert_no_difference 'Job.count' do
assert_difference 'Reference.count', -person.jobs.count do
person.destroy
end
end
end
def test_belongs_to_with_dependent_delete_all
person = PersonWithDependentDeleteAllJobs.find(1)
# Create a reference which is not linked to a job. This should not be destroyed.
person.references.create!
assert_no_difference 'Job.count' do
assert_difference 'Reference.count', -person.jobs.count do
person.destroy
end
end
end
def test_belongs_to_with_dependent_nullify
person = PersonWithDependentNullifyJobs.find(1)
references = person.references.to_a
assert_no_difference ['Reference.count', 'Job.count'] do
person.destroy
end
references.each do |reference|
assert_equal nil, reference.reload.job_id
end
end
def test_update_counter_caches_on_delete
post = posts(:welcome)
tag = post.tags.create!(:name => 'doomed')
assert_difference ['post.reload.taggings_count', 'post.reload.tags_count'], -1 do
posts(:welcome).tags.delete(tag)
end
end
def test_update_counter_caches_on_delete_with_dependent_destroy
post = posts(:welcome)
tag = post.tags.create!(:name => 'doomed')
post.update_columns(tags_with_destroy_count: post.tags.count)
assert_difference ['post.reload.taggings_count', 'post.reload.tags_with_destroy_count'], -1 do
posts(:welcome).tags_with_destroy.delete(tag)
end
end
def test_update_counter_caches_on_delete_with_dependent_nullify
post = posts(:welcome)
tag = post.tags.create!(:name => 'doomed')
post.update_columns(tags_with_nullify_count: post.tags.count)
assert_no_difference 'post.reload.taggings_count' do
assert_difference 'post.reload.tags_with_nullify_count', -1 do
posts(:welcome).tags_with_nullify.delete(tag)
end
end
end
def test_replace_association
assert_queries(4){posts(:welcome);people(:david);people(:michael); posts(:welcome).people(true)}
# 1 query to delete the existing reader (michael)
# 1 query to associate the new reader (david)
assert_queries(2) do
posts(:welcome).people = [people(:david)]
end
assert_queries(0){
assert posts(:welcome).people.include?(people(:david))
assert !posts(:welcome).people.include?(people(:michael))
}
assert posts(:welcome).reload.people(true).include?(people(:david))
assert !posts(:welcome).reload.people(true).include?(people(:michael))
end
def test_replace_order_is_preserved
posts(:welcome).people.clear
posts(:welcome).people = [people(:david), people(:michael)]
assert_equal [people(:david).id, people(:michael).id], posts(:welcome).readers.order('id').map(&:person_id)
# Test the inverse order in case the first success was a coincidence
posts(:welcome).people.clear
posts(:welcome).people = [people(:michael), people(:david)]
assert_equal [people(:michael).id, people(:david).id], posts(:welcome).readers.order('id').map(&:person_id)
end
def test_replace_by_id_order_is_preserved
posts(:welcome).people.clear
posts(:welcome).person_ids = [people(:david).id, people(:michael).id]
assert_equal [people(:david).id, people(:michael).id], posts(:welcome).readers.order('id').map(&:person_id)
# Test the inverse order in case the first success was a coincidence
posts(:welcome).people.clear
posts(:welcome).person_ids = [people(:michael).id, people(:david).id]
assert_equal [people(:michael).id, people(:david).id], posts(:welcome).readers.order('id').map(&:person_id)
end
def test_associate_with_create
assert_queries(1) { posts(:thinking) }
# 1 query for the new record, 1 for the join table record
# No need to update the actual collection yet!
assert_queries(2) do
posts(:thinking).people.create(:first_name=>"Jeb")
end
# *Now* we actually need the collection so it's loaded
assert_queries(1) do
assert posts(:thinking).people.collect(&:first_name).include?("Jeb")
end
assert posts(:thinking).reload.people(true).collect(&:first_name).include?("Jeb")
end
def test_associate_with_create_and_no_options
peeps = posts(:thinking).people.count
posts(:thinking).people.create(:first_name => 'foo')
assert_equal peeps + 1, posts(:thinking).people.count
end
def test_associate_with_create_with_through_having_conditions
impatient_people = posts(:thinking).impatient_people.count
posts(:thinking).impatient_people.create!(:first_name => 'foo')
assert_equal impatient_people + 1, posts(:thinking).impatient_people.count
end
def test_associate_with_create_exclamation_and_no_options
peeps = posts(:thinking).people.count
posts(:thinking).people.create!(:first_name => 'foo')
assert_equal peeps + 1, posts(:thinking).people.count
end
def test_create_on_new_record
p = Post.new
assert_raises(ActiveRecord::RecordNotSaved) { p.people.create(:first_name => "mew") }
assert_raises(ActiveRecord::RecordNotSaved) { p.people.create!(:first_name => "snow") }
end
def test_associate_with_create_and_invalid_options
firm = companies(:first_firm)
assert_no_difference('firm.developers.count') { assert_nothing_raised { firm.developers.create(:name => '0') } }
end
def test_associate_with_create_and_valid_options
firm = companies(:first_firm)
assert_difference('firm.developers.count', 1) { firm.developers.create(:name => 'developer') }
end
def test_associate_with_create_bang_and_invalid_options
firm = companies(:first_firm)
assert_no_difference('firm.developers.count') { assert_raises(ActiveRecord::RecordInvalid) { firm.developers.create!(:name => '0') } }
end
def test_associate_with_create_bang_and_valid_options
firm = companies(:first_firm)
assert_difference('firm.developers.count', 1) { firm.developers.create!(:name => 'developer') }
end
def test_push_with_invalid_record
firm = companies(:first_firm)
assert_raises(ActiveRecord::RecordInvalid) { firm.developers << Developer.new(:name => '0') }
end
def test_push_with_invalid_join_record
repair_validations(Contract) do
Contract.validate {|r| r.errors[:base] << 'Invalid Contract' }
firm = companies(:first_firm)
lifo = Developer.new(:name => 'lifo')
assert_raises(ActiveRecord::RecordInvalid) { firm.developers << lifo }
lifo = Developer.create!(:name => 'lifo')
assert_raises(ActiveRecord::RecordInvalid) { firm.developers << lifo }
end
end
def test_clear_associations
assert_queries(2) { posts(:welcome);posts(:welcome).people(true) }
assert_queries(1) do
posts(:welcome).people.clear
end
assert_queries(0) do
assert posts(:welcome).people.empty?
end
assert posts(:welcome).reload.people(true).empty?
end
def test_association_callback_ordering
Post.reset_log
log = Post.log
post = posts(:thinking)
post.people_with_callbacks << people(:michael)
assert_equal [
[:added, :before, "Michael"],
[:added, :after, "Michael"]
], log.last(2)
post.people_with_callbacks.push(people(:david), Person.create!(:first_name => "Bob"), Person.new(:first_name => "Lary"))
assert_equal [
[:added, :before, "David"],
[:added, :after, "David"],
[:added, :before, "Bob"],
[:added, :after, "Bob"],
[:added, :before, "Lary"],
[:added, :after, "Lary"]
],log.last(6)
post.people_with_callbacks.build(:first_name => "Ted")
assert_equal [
[:added, :before, "Ted"],
[:added, :after, "Ted"]
], log.last(2)
post.people_with_callbacks.create(:first_name => "Sam")
assert_equal [
[:added, :before, "Sam"],
[:added, :after, "Sam"]
], log.last(2)
post.people_with_callbacks = [people(:michael),people(:david), Person.new(:first_name => "Julian"), Person.create!(:first_name => "Roger")]
assert_equal((%w(Ted Bob Sam Lary) * 2).sort, log[-12..-5].collect(&:last).sort)
assert_equal [
[:added, :before, "Julian"],
[:added, :after, "Julian"],
[:added, :before, "Roger"],
[:added, :after, "Roger"]
], log.last(4)
post.people_with_callbacks.clear
assert_equal((%w(Michael David Julian Roger) * 2).sort, log.last(8).collect(&:last).sort)
end
def test_dynamic_find_should_respect_association_include
# SQL error in sort clause if :include is not included
# due to Unknown column 'comments.id'
assert Person.find(1).posts_with_comments_sorted_by_comment_id.find_by_title('Welcome to the weblog')
end
def test_count_with_include_should_alias_join_table
assert_equal 2, people(:michael).posts.includes(:readers).count
end
def test_inner_join_with_quoted_table_name
assert_equal 2, people(:michael).jobs.size
end
def test_get_ids
assert_equal [posts(:welcome).id, posts(:authorless).id].sort, people(:michael).post_ids.sort
end
def test_get_ids_for_has_many_through_with_conditions_should_not_preload
Tagging.create!(:taggable_type => 'Post', :taggable_id => posts(:welcome).id, :tag => tags(:misc))
ActiveRecord::Associations::Preloader.expects(:new).never
posts(:welcome).misc_tag_ids
end
def test_get_ids_for_loaded_associations
person = people(:michael)
person.posts(true)
assert_queries(0) do
person.post_ids
person.post_ids
end
end
def test_get_ids_for_unloaded_associations_does_not_load_them
person = people(:michael)
assert !person.posts.loaded?
assert_equal [posts(:welcome).id, posts(:authorless).id].sort, person.post_ids.sort
assert !person.posts.loaded?
end
def test_association_proxy_transaction_method_starts_transaction_in_association_class
Tag.expects(:transaction)
Post.first.tags.transaction do
# nothing
end
end
def test_has_many_association_through_a_belongs_to_association_where_the_association_doesnt_exist
post = Post.create!(:title => "TITLE", :body => "BODY")
assert_equal [], post.author_favorites
end
def test_has_many_association_through_a_belongs_to_association
author = authors(:mary)
post = Post.create!(:author => author, :title => "TITLE", :body => "BODY")
author.author_favorites.create(:favorite_author_id => 1)
author.author_favorites.create(:favorite_author_id => 2)
author.author_favorites.create(:favorite_author_id => 3)
assert_equal post.author.author_favorites, post.author_favorites
end
def test_has_many_association_through_a_has_many_association_with_nonstandard_primary_keys
assert_equal 1, owners(:blackbeard).toys.count
end
def test_find_on_has_many_association_collection_with_include_and_conditions
post_with_no_comments = people(:michael).posts_with_no_comments.first
assert_equal post_with_no_comments, posts(:authorless)
end
def test_has_many_through_has_one_reflection
assert_equal [comments(:eager_sti_on_associations_vs_comment)], authors(:david).very_special_comments
end
def test_modifying_has_many_through_has_one_reflection_should_raise
[
lambda { authors(:david).very_special_comments = [VerySpecialComment.create!(:body => "Gorp!", :post_id => 1011), VerySpecialComment.create!(:body => "Eep!", :post_id => 1012)] },
lambda { authors(:david).very_special_comments << VerySpecialComment.create!(:body => "Hoohah!", :post_id => 1013) },
lambda { authors(:david).very_special_comments.delete(authors(:david).very_special_comments.first) },
].each {|block| assert_raise(ActiveRecord::HasManyThroughCantAssociateThroughHasOneOrManyReflection, &block) }
end
def test_has_many_association_through_a_has_many_association_to_self
sarah = Person.create!(:first_name => 'Sarah', :primary_contact_id => people(:susan).id, :gender => 'F', :number1_fan_id => 1)
john = Person.create!(:first_name => 'John', :primary_contact_id => sarah.id, :gender => 'M', :number1_fan_id => 1)
assert_equal sarah.agents, [john]
assert_equal people(:susan).agents.map(&:agents).flatten, people(:susan).agents_of_agents
end
def test_associate_existing_with_nonstandard_primary_key_on_belongs_to
Categorization.create(:author => authors(:mary), :named_category_name => categories(:general).name)
assert_equal categories(:general), authors(:mary).named_categories.first
end
def test_collection_build_with_nonstandard_primary_key_on_belongs_to
author = authors(:mary)
category = author.named_categories.build(:name => "Primary")
author.save
assert Categorization.exists?(:author_id => author.id, :named_category_name => category.name)
assert author.named_categories(true).include?(category)
end
def test_collection_create_with_nonstandard_primary_key_on_belongs_to
author = authors(:mary)
category = author.named_categories.create(:name => "Primary")
assert Categorization.exists?(:author_id => author.id, :named_category_name => category.name)
assert author.named_categories(true).include?(category)
end
def test_collection_delete_with_nonstandard_primary_key_on_belongs_to
author = authors(:mary)
category = author.named_categories.create(:name => "Primary")
author.named_categories.delete(category)
assert !Categorization.exists?(:author_id => author.id, :named_category_name => category.name)
assert author.named_categories(true).empty?
end
def test_collection_singular_ids_getter_with_string_primary_keys
book = books(:awdr)
assert_equal 2, book.subscriber_ids.size
assert_equal [subscribers(:first).nick, subscribers(:second).nick].sort, book.subscriber_ids.sort
end
def test_collection_singular_ids_setter
company = companies(:rails_core)
dev = Developer.first
company.developer_ids = [dev.id]
assert_equal [dev], company.developers
end
def test_collection_singular_ids_setter_with_string_primary_keys
assert_nothing_raised do
book = books(:awdr)
book.subscriber_ids = [subscribers(:second).nick]
assert_equal [subscribers(:second)], book.subscribers(true)
book.subscriber_ids = []
assert_equal [], book.subscribers(true)
end
end
def test_collection_singular_ids_setter_raises_exception_when_invalid_ids_set
company = companies(:rails_core)
ids = [Developer.first.id, -9999]
assert_raises(ActiveRecord::RecordNotFound) {company.developer_ids= ids}
end
def test_build_a_model_from_hm_through_association_with_where_clause
assert_nothing_raised { books(:awdr).subscribers.where(:nick => "marklazz").build }
end
def test_attributes_are_being_set_when_initialized_from_hm_through_association_with_where_clause
new_subscriber = books(:awdr).subscribers.where(:nick => "marklazz").build
assert_equal new_subscriber.nick, "marklazz"
end
def test_attributes_are_being_set_when_initialized_from_hm_through_association_with_multiple_where_clauses
new_subscriber = books(:awdr).subscribers.where(:nick => "marklazz").where(:name => 'Marcelo Giorgi').build
assert_equal new_subscriber.nick, "marklazz"
assert_equal new_subscriber.name, "Marcelo Giorgi"
end
def test_include_method_in_association_through_should_return_true_for_instance_added_with_build
person = Person.new
reference = person.references.build
job = reference.build_job
assert person.jobs.include?(job)
end
def test_include_method_in_association_through_should_return_true_for_instance_added_with_nested_builds
author = Author.new
post = author.posts.build
comment = post.comments.build
assert author.comments.include?(comment)
end
def test_through_association_readonly_should_be_false
assert !people(:michael).posts.first.readonly?
assert !people(:michael).posts.to_a.first.readonly?
end
def test_can_update_through_association
assert_nothing_raised do
people(:michael).posts.first.update_attributes!(:title => "Can write")
end
end
def test_has_many_through_polymorphic_with_primary_key_option
assert_equal [categories(:general)], authors(:david).essay_categories
authors = Author.joins(:essay_categories).where('categories.id' => categories(:general).id)
assert_equal authors(:david), authors.first
assert_equal [owners(:blackbeard)], authors(:david).essay_owners
authors = Author.joins(:essay_owners).where("owners.name = 'blackbeard'")
assert_equal authors(:david), authors.first
end
def test_has_many_through_with_primary_key_option
assert_equal [categories(:general)], authors(:david).essay_categories_2
authors = Author.joins(:essay_categories_2).where('categories.id' => categories(:general).id)
assert_equal authors(:david), authors.first
end
def test_size_of_through_association_should_increase_correctly_when_has_many_association_is_added
post = posts(:thinking)
readers = post.readers.size
post.people << people(:michael)
assert_equal readers + 1, post.readers.size
end
def test_has_many_through_with_default_scope_on_join_model
assert_equal posts(:welcome).comments.order('id').to_a, authors(:david).comments_on_first_posts
end
def test_create_has_many_through_with_default_scope_on_join_model
category = authors(:david).special_categories.create(:name => "Foo")
assert_equal 1, category.categorizations.where(:special => true).count
end
def test_joining_has_many_through_with_uniq
mary = Author.joins(:unique_categorized_posts).where(:id => authors(:mary).id).first
assert_equal 1, mary.unique_categorized_posts.length
assert_equal 1, mary.unique_categorized_post_ids.length
end
def test_joining_has_many_through_belongs_to
posts = Post.joins(:author_categorizations).order('posts.id').
where('categorizations.id' => categorizations(:mary_thinking_sti).id)
assert_equal [posts(:eager_other), posts(:misc_by_mary), posts(:other_by_mary)], posts
end
def test_select_chosen_fields_only
author = authors(:david)
assert_equal ['body', 'id'].sort, author.comments.select('comments.body').first.attributes.keys.sort
end
def test_get_has_many_through_belongs_to_ids_with_conditions
assert_equal [categories(:general).id], authors(:mary).categories_like_general_ids
end
def test_get_collection_singular_ids_on_has_many_through_with_conditions_and_include
person = Person.first
assert_equal person.posts_with_no_comment_ids, person.posts_with_no_comments.map(&:id)
end
def test_count_has_many_through_with_named_scope
assert_equal 2, authors(:mary).categories.count
assert_equal 1, authors(:mary).categories.general.count
end
def test_counting_should_not_fire_sql_if_parent_is_unsaved
assert_no_queries do
assert_equal 0, Person.new.posts.count
end
end
def test_has_many_through_belongs_to_should_update_when_the_through_foreign_key_changes
post = posts(:eager_other)
post.author_categorizations
proxy = post.send(:association_instance_get, :author_categorizations)
assert !proxy.stale_target?
assert_equal authors(:mary).categorizations.sort_by(&:id), post.author_categorizations.sort_by(&:id)
post.author_id = authors(:david).id
assert proxy.stale_target?
assert_equal authors(:david).categorizations.sort_by(&:id), post.author_categorizations.sort_by(&:id)
end
def test_create_with_conditions_hash_on_through_association
member = members(:groucho)
club = member.clubs.create!
assert_equal true, club.reload.membership.favourite
end
def test_deleting_from_has_many_through_a_belongs_to_should_not_try_to_update_counter
post = posts(:welcome)
address = author_addresses(:david_address)
assert post.author_addresses.include?(address)
post.author_addresses.delete(address)
assert post[:author_count].nil?
end
def test_primary_key_option_on_source
post = posts(:welcome)
category = categories(:general)
Categorization.create!(:post_id => post.id, :named_category_name => category.name)
assert_equal [category], post.named_categories
assert_equal [category.name], post.named_category_ids # checks when target loaded
assert_equal [category.name], post.reload.named_category_ids # checks when target no loaded
end
def test_create_should_not_raise_exception_when_join_record_has_errors
repair_validations(Categorization) do
Categorization.validate { |r| r.errors[:base] << 'Invalid Categorization' }
Category.create(:name => 'Fishing', :authors => [Author.first])
end
end
def test_save_should_not_raise_exception_when_join_record_has_errors
repair_validations(Categorization) do
Categorization.validate { |r| r.errors[:base] << 'Invalid Categorization' }
c = Category.create(:name => 'Fishing', :authors => [Author.first])
c.save
end
end
def test_assign_array_to_new_record_builds_join_records
c = Category.new(:name => 'Fishing', :authors => [Author.first])
assert_equal 1, c.categorizations.size
end
def test_create_bang_should_raise_exception_when_join_record_has_errors
repair_validations(Categorization) do
Categorization.validate { |r| r.errors[:base] << 'Invalid Categorization' }
assert_raises(ActiveRecord::RecordInvalid) do
Category.create!(:name => 'Fishing', :authors => [Author.first])
end
end
end
def test_save_bang_should_raise_exception_when_join_record_has_errors
repair_validations(Categorization) do
Categorization.validate { |r| r.errors[:base] << 'Invalid Categorization' }
c = Category.new(:name => 'Fishing', :authors => [Author.first])
assert_raises(ActiveRecord::RecordInvalid) do
c.save!
end
end
end
def test_create_bang_returns_falsy_when_join_record_has_errors
repair_validations(Categorization) do
Categorization.validate { |r| r.errors[:base] << 'Invalid Categorization' }
c = Category.new(:name => 'Fishing', :authors => [Author.first])
assert !c.save
end
end
def test_preloading_empty_through_association_via_joins
person = Person.create!(:first_name => "Gaga")
person = Person.where(:id => person.id).where('readers.id = 1 or 1=1').references(:readers).includes(:posts).to_a.first
assert person.posts.loaded?, 'person.posts should be loaded'
assert_equal [], person.posts
end
def test_explicitly_joining_join_table
assert_equal owners(:blackbeard).toys, owners(:blackbeard).toys.with_pet
end
def test_has_many_through_with_polymorphic_source
post = tags(:general).tagged_posts.create! :title => "foo", :body => "bar"
assert_equal [tags(:general)], post.reload.tags
end
end
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