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require "cases/helper"
require 'models/developer'
require 'models/project'
require 'models/company'
require 'models/contract'
require 'models/topic'
require 'models/reply'
require 'models/category'
require 'models/post'
require 'models/author'
require 'models/essay'
require 'models/comment'
require 'models/person'
require 'models/reader'
require 'models/tagging'
require 'models/tag'
require 'models/invoice'
require 'models/line_item'
require 'models/car'
require 'models/bulb'
require 'models/engine'
class HasManyAssociationsTestForCountWithFinderSql < ActiveRecord::TestCase
class Invoice < ActiveRecord::Base
ActiveSupport::Deprecation.silence do
has_many :custom_line_items, :class_name => 'LineItem', :finder_sql => "SELECT line_items.* from line_items"
end
end
def test_should_fail
assert_raise(ArgumentError) do
Invoice.create.custom_line_items.count(:conditions => {:amount => 0})
end
end
end
class HasManyAssociationsTestForCountWithCountSql < ActiveRecord::TestCase
class Invoice < ActiveRecord::Base
ActiveSupport::Deprecation.silence do
has_many :custom_line_items, :class_name => 'LineItem', :counter_sql => "SELECT COUNT(*) line_items.* from line_items"
end
end
def test_should_fail
assert_raise(ArgumentError) do
Invoice.create.custom_line_items.count(:conditions => {:amount => 0})
end
end
end
class HasManyAssociationsTestForCountWithVariousFinderSqls < ActiveRecord::TestCase
class Invoice < ActiveRecord::Base
ActiveSupport::Deprecation.silence do
has_many :custom_line_items, :class_name => 'LineItem', :finder_sql => "SELECT DISTINCT line_items.amount from line_items"
has_many :custom_full_line_items, :class_name => 'LineItem', :finder_sql => "SELECT line_items.invoice_id, line_items.amount from line_items"
has_many :custom_star_line_items, :class_name => 'LineItem', :finder_sql => "SELECT * from line_items"
has_many :custom_qualified_star_line_items, :class_name => 'LineItem', :finder_sql => "SELECT line_items.* from line_items"
end
end
def test_should_count_distinct_results
invoice = Invoice.new
invoice.custom_line_items << LineItem.new(:amount => 0)
invoice.custom_line_items << LineItem.new(:amount => 0)
invoice.save!
assert_equal 1, invoice.custom_line_items.count
end
def test_should_count_results_with_multiple_fields
invoice = Invoice.new
invoice.custom_full_line_items << LineItem.new(:amount => 0)
invoice.custom_full_line_items << LineItem.new(:amount => 0)
invoice.save!
assert_equal 2, invoice.custom_full_line_items.count
end
def test_should_count_results_with_star
invoice = Invoice.new
invoice.custom_star_line_items << LineItem.new(:amount => 0)
invoice.custom_star_line_items << LineItem.new(:amount => 0)
invoice.save!
assert_equal 2, invoice.custom_star_line_items.count
end
def test_should_count_results_with_qualified_star
invoice = Invoice.new
invoice.custom_qualified_star_line_items << LineItem.new(:amount => 0)
invoice.custom_qualified_star_line_items << LineItem.new(:amount => 0)
invoice.save!
assert_equal 2, invoice.custom_qualified_star_line_items.count
end
end
class HasManyAssociationsTestForReorderWithJoinDependency < ActiveRecord::TestCase
fixtures :authors, :posts, :comments
def test_should_generate_valid_sql
author = authors(:david)
# this can fail on adapters which require ORDER BY expressions to be included in the SELECT expression
# if the reorder clauses are not correctly handled
assert author.posts_with_comments_sorted_by_comment_id.where('comments.id > 0').reorder('posts.comments_count DESC', 'posts.taggings_count DESC').last
end
end
class HasManyAssociationsTest < ActiveRecord::TestCase
fixtures :accounts, :categories, :companies, :developers, :projects,
:developers_projects, :topics, :authors, :comments,
:people, :posts, :readers, :taggings, :cars, :essays
def setup
Client.destroyed_client_ids.clear
end
def test_create_from_association_should_respect_default_scope
car = Car.create(:name => 'honda')
assert_equal 'honda', car.name
bulb = Bulb.create
assert_equal 'defaulty', bulb.name
bulb = car.bulbs.build
assert_equal 'defaulty', bulb.name
bulb = car.bulbs.create
assert_equal 'defaulty', bulb.name
bulb = car.bulbs.create(:name => 'exotic')
assert_equal 'exotic', bulb.name
end
def test_create_from_association_with_nil_values_should_work
car = Car.create(:name => 'honda')
bulb = car.bulbs.new(nil)
assert_equal 'defaulty', bulb.name
bulb = car.bulbs.build(nil)
assert_equal 'defaulty', bulb.name
bulb = car.bulbs.create(nil)
assert_equal 'defaulty', bulb.name
end
def test_association_keys_bypass_attribute_protection
car = Car.create(:name => 'honda')
bulb = car.bulbs.new
assert_equal car.id, bulb.car_id
bulb = car.bulbs.new :car_id => car.id + 1
assert_equal car.id, bulb.car_id
bulb = car.bulbs.build
assert_equal car.id, bulb.car_id
bulb = car.bulbs.build :car_id => car.id + 1
assert_equal car.id, bulb.car_id
bulb = car.bulbs.create
assert_equal car.id, bulb.car_id
bulb = car.bulbs.create :car_id => car.id + 1
assert_equal car.id, bulb.car_id
end
def test_association_protect_foreign_key
invoice = Invoice.create
line_item = invoice.line_items.new
assert_equal invoice.id, line_item.invoice_id
line_item = invoice.line_items.new :invoice_id => invoice.id + 1
assert_equal invoice.id, line_item.invoice_id
line_item = invoice.line_items.build
assert_equal invoice.id, line_item.invoice_id
line_item = invoice.line_items.build :invoice_id => invoice.id + 1
assert_equal invoice.id, line_item.invoice_id
line_item = invoice.line_items.create
assert_equal invoice.id, line_item.invoice_id
line_item = invoice.line_items.create :invoice_id => invoice.id + 1
assert_equal invoice.id, line_item.invoice_id
end
# When creating objects on the association, we must not do it within a scope (even though it
# would be convenient), because this would cause that scope to be applied to any callbacks etc.
def test_build_and_create_should_not_happen_within_scope
car = cars(:honda)
scoped_count = car.foo_bulbs.where_values.count
bulb = car.foo_bulbs.build
assert_not_equal scoped_count, bulb.scope_after_initialize.where_values.count
bulb = car.foo_bulbs.create
assert_not_equal scoped_count, bulb.scope_after_initialize.where_values.count
bulb = car.foo_bulbs.create!
assert_not_equal scoped_count, bulb.scope_after_initialize.where_values.count
end
def test_no_sql_should_be_fired_if_association_already_loaded
Car.create(:name => 'honda')
bulbs = Car.first.bulbs
bulbs.to_a # to load all instances of bulbs
assert_no_queries do
bulbs.first()
bulbs.first({})
end
assert_no_queries do
bulbs.last()
bulbs.last({})
end
end
def test_create_resets_cached_counters
person = Person.create!(:first_name => 'tenderlove')
post = Post.first
assert_equal [], person.readers
assert_nil person.readers.find_by_post_id(post.id)
person.readers.create(:post_id => post.id)
assert_equal 1, person.readers.count
assert_equal 1, person.readers.length
assert_equal post, person.readers.first.post
assert_equal person, person.readers.first.person
end
def force_signal37_to_load_all_clients_of_firm
companies(:first_firm).clients_of_firm.each {|f| }
end
# sometimes tests on Oracle fail if ORDER BY is not provided therefore add always :order with :first
def test_counting_with_counter_sql
assert_equal 2, Firm.all.merge!(:order => "id").first.clients.count
end
def test_counting
assert_equal 2, Firm.all.merge!(:order => "id").first.plain_clients.count
end
def test_counting_with_single_hash
assert_equal 1, Firm.all.merge!(:order => "id").first.plain_clients.where(:name => "Microsoft").count
end
def test_counting_with_column_name_and_hash
assert_equal 2, Firm.all.merge!(:order => "id").first.plain_clients.count(:name)
end
def test_counting_with_association_limit
firm = companies(:first_firm)
assert_equal firm.limited_clients.length, firm.limited_clients.size
assert_equal firm.limited_clients.length, firm.limited_clients.count
end
def test_finding
assert_equal 2, Firm.all.merge!(:order => "id").first.clients.length
end
def test_finding_array_compatibility
assert_equal 2, Firm.order(:id).find{|f| f.id > 0}.clients.length
end
def test_find_with_blank_conditions
[[], {}, ""].each do |blank|
assert_equal 2, Firm.all.merge!(:order => "id").first.clients.where(blank).to_a.size
end
end
def test_find_many_with_merged_options
assert_equal 1, companies(:first_firm).limited_clients.size
assert_equal 1, companies(:first_firm).limited_clients.to_a.size
assert_equal 2, companies(:first_firm).limited_clients.limit(nil).to_a.size
end
def test_find_should_prepend_to_association_order
ordered_clients = companies(:first_firm).clients_sorted_desc.order('companies.id')
assert_equal ['companies.id', 'id DESC'], ordered_clients.order_values
end
def test_dynamic_find_should_respect_association_order
assert_equal companies(:second_client), companies(:first_firm).clients_sorted_desc.where("type = 'Client'").first
assert_equal companies(:second_client), companies(:first_firm).clients_sorted_desc.find_by_type('Client')
end
def test_cant_save_has_many_readonly_association
authors(:david).readonly_comments.each { |c| assert_raise(ActiveRecord::ReadOnlyRecord) { c.save! } }
authors(:david).readonly_comments.each { |c| assert c.readonly? }
end
def test_finding_default_orders
assert_equal "Summit", Firm.all.merge!(:order => "id").first.clients.first.name
end
def test_finding_with_different_class_name_and_order
assert_equal "Microsoft", Firm.all.merge!(:order => "id").first.clients_sorted_desc.first.name
end
def test_finding_with_foreign_key
assert_equal "Microsoft", Firm.all.merge!(:order => "id").first.clients_of_firm.first.name
end
def test_finding_with_condition
assert_equal "Microsoft", Firm.all.merge!(:order => "id").first.clients_like_ms.first.name
end
def test_finding_with_condition_hash
assert_equal "Microsoft", Firm.all.merge!(:order => "id").first.clients_like_ms_with_hash_conditions.first.name
end
def test_finding_using_primary_key
assert_equal "Summit", Firm.all.merge!(:order => "id").first.clients_using_primary_key.first.name
end
def test_finding_using_sql
firm = Firm.order("id").first
first_client = firm.clients_using_sql.first
assert_not_nil first_client
assert_equal "Microsoft", first_client.name
assert_equal 1, firm.clients_using_sql.size
assert_equal 1, Firm.order("id").first.clients_using_sql.size
end
def test_finding_using_sql_take_into_account_only_uniq_ids
firm = Firm.order("id").first
client = firm.clients_using_sql.first
assert_equal client, firm.clients_using_sql.find(client.id, client.id)
assert_equal client, firm.clients_using_sql.find(client.id, client.id.to_s)
end
def test_counting_using_sql
assert_equal 1, Firm.order("id").first.clients_using_counter_sql.size
assert Firm.order("id").first.clients_using_counter_sql.any?
assert_equal 0, Firm.order("id").first.clients_using_zero_counter_sql.size
assert !Firm.order("id").first.clients_using_zero_counter_sql.any?
end
def test_counting_non_existant_items_using_sql
assert_equal 0, Firm.order("id").first.no_clients_using_counter_sql.size
end
def test_counting_using_finder_sql
assert_equal 2, Firm.find(4).clients_using_sql.count
end
def test_belongs_to_sanity
c = Client.new
assert_nil c.firm
flunk "belongs_to failed if check" if c.firm
end
def test_find_ids
firm = Firm.all.merge!(:order => "id").first
assert_raise(ActiveRecord::RecordNotFound) { firm.clients.find }
client = firm.clients.find(2)
assert_kind_of Client, client
client_ary = firm.clients.find([2])
assert_kind_of Array, client_ary
assert_equal client, client_ary.first
client_ary = firm.clients.find(2, 3)
assert_kind_of Array, client_ary
assert_equal 2, client_ary.size
assert_equal client, client_ary.first
assert_raise(ActiveRecord::RecordNotFound) { firm.clients.find(2, 99) }
end
def test_find_string_ids_when_using_finder_sql
firm = Firm.order("id").first
client = firm.clients_using_finder_sql.find("2")
assert_kind_of Client, client
client_ary = firm.clients_using_finder_sql.find(["2"])
assert_kind_of Array, client_ary
assert_equal client, client_ary.first
client_ary = firm.clients_using_finder_sql.find("2", "3")
assert_kind_of Array, client_ary
assert_equal 2, client_ary.size
assert client_ary.include?(client)
end
def test_find_all
firm = Firm.all.merge!(:order => "id").first
assert_equal 2, firm.clients.where("#{QUOTED_TYPE} = 'Client'").to_a.length
assert_equal 1, firm.clients.where("name = 'Summit'").to_a.length
end
def test_find_each
firm = companies(:first_firm)
assert ! firm.clients.loaded?
assert_queries(3) do
firm.clients.find_each(:batch_size => 1) {|c| assert_equal firm.id, c.firm_id }
end
assert ! firm.clients.loaded?
end
def test_find_each_with_conditions
firm = companies(:first_firm)
assert_queries(2) do
firm.clients.where(name: 'Microsoft').find_each(batch_size: 1) do |c|
assert_equal firm.id, c.firm_id
assert_equal "Microsoft", c.name
end
end
assert ! firm.clients.loaded?
end
def test_find_in_batches
firm = companies(:first_firm)
assert ! firm.clients.loaded?
assert_queries(2) do
firm.clients.find_in_batches(:batch_size => 2) do |clients|
clients.each {|c| assert_equal firm.id, c.firm_id }
end
end
assert ! firm.clients.loaded?
end
def test_find_all_sanitized
# sometimes tests on Oracle fail if ORDER BY is not provided therefore add always :order with :first
firm = Firm.all.merge!(:order => "id").first
summit = firm.clients.where("name = 'Summit'").to_a
assert_equal summit, firm.clients.where("name = ?", "Summit").to_a
assert_equal summit, firm.clients.where("name = :name", { :name => "Summit" }).to_a
end
def test_find_first
firm = Firm.all.merge!(:order => "id").first
client2 = Client.find(2)
assert_equal firm.clients.first, firm.clients.order("id").first
assert_equal client2, firm.clients.where("#{QUOTED_TYPE} = 'Client'").order("id").first
end
def test_find_first_sanitized
firm = Firm.all.merge!(:order => "id").first
client2 = Client.find(2)
assert_equal client2, firm.clients.merge!(:where => ["#{QUOTED_TYPE} = ?", 'Client'], :order => "id").first
assert_equal client2, firm.clients.merge!(:where => ["#{QUOTED_TYPE} = :type", { :type => 'Client' }], :order => "id").first
end
def test_find_all_with_include_and_conditions
assert_nothing_raised do
Developer.all.merge!(:joins => :audit_logs, :where => {'audit_logs.message' => nil, :name => 'Smith'}).to_a
end
end
def test_find_in_collection
assert_equal Client.find(2).name, companies(:first_firm).clients.find(2).name
assert_raise(ActiveRecord::RecordNotFound) { companies(:first_firm).clients.find(6) }
end
def test_find_grouped
all_clients_of_firm1 = Client.all.merge!(:where => "firm_id = 1").to_a
grouped_clients_of_firm1 = Client.all.merge!(:where => "firm_id = 1", :group => "firm_id", :select => 'firm_id, count(id) as clients_count').to_a
assert_equal 2, all_clients_of_firm1.size
assert_equal 1, grouped_clients_of_firm1.size
end
def test_find_scoped_grouped
assert_equal 1, companies(:first_firm).clients_grouped_by_firm_id.size
assert_equal 1, companies(:first_firm).clients_grouped_by_firm_id.length
assert_equal 2, companies(:first_firm).clients_grouped_by_name.size
assert_equal 2, companies(:first_firm).clients_grouped_by_name.length
end
def test_find_scoped_grouped_having
assert_equal 1, authors(:david).popular_grouped_posts.length
assert_equal 0, authors(:mary).popular_grouped_posts.length
end
def test_default_select
assert_equal Comment.column_names.sort, posts(:welcome).comments.first.attributes.keys.sort
end
def test_select_query_method
assert_equal ['id'], posts(:welcome).comments.select(:id).first.attributes.keys
end
def test_adding
force_signal37_to_load_all_clients_of_firm
natural = Client.new("name" => "Natural Company")
companies(:first_firm).clients_of_firm << natural
assert_equal 2, companies(:first_firm).clients_of_firm.size # checking via the collection
assert_equal 2, companies(:first_firm).clients_of_firm(true).size # checking using the db
assert_equal natural, companies(:first_firm).clients_of_firm.last
end
def test_adding_using_create
first_firm = companies(:first_firm)
assert_equal 2, first_firm.plain_clients.size
first_firm.plain_clients.create(:name => "Natural Company")
assert_equal 3, first_firm.plain_clients.length
assert_equal 3, first_firm.plain_clients.size
end
def test_create_with_bang_on_has_many_when_parent_is_new_raises
assert_raise(ActiveRecord::RecordNotSaved) do
firm = Firm.new
firm.plain_clients.create! :name=>"Whoever"
end
end
def test_regular_create_on_has_many_when_parent_is_new_raises
assert_raise(ActiveRecord::RecordNotSaved) do
firm = Firm.new
firm.plain_clients.create :name=>"Whoever"
end
end
def test_create_with_bang_on_has_many_raises_when_record_not_saved
assert_raise(ActiveRecord::RecordInvalid) do
firm = Firm.all.merge!(:order => "id").first
firm.plain_clients.create!
end
end
def test_create_with_bang_on_habtm_when_parent_is_new_raises
assert_raise(ActiveRecord::RecordNotSaved) do
Developer.new("name" => "Aredridel").projects.create!
end
end
def test_adding_a_mismatch_class
assert_raise(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).clients_of_firm << nil }
assert_raise(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).clients_of_firm << 1 }
assert_raise(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).clients_of_firm << Topic.find(1) }
end
def test_adding_a_collection
force_signal37_to_load_all_clients_of_firm
companies(:first_firm).clients_of_firm.concat([Client.new("name" => "Natural Company"), Client.new("name" => "Apple")])
assert_equal 3, companies(:first_firm).clients_of_firm.size
assert_equal 3, companies(:first_firm).clients_of_firm(true).size
end
def test_transactions_when_adding_to_persisted
good = Client.new(:name => "Good")
bad = Client.new(:name => "Bad", :raise_on_save => true)
begin
companies(:first_firm).clients_of_firm.concat(good, bad)
rescue Client::RaisedOnSave
end
assert !companies(:first_firm).clients_of_firm(true).include?(good)
end
def test_transactions_when_adding_to_new_record
assert_no_queries do
firm = Firm.new
firm.clients_of_firm.concat(Client.new("name" => "Natural Company"))
end
end
def test_new_aliased_to_build
company = companies(:first_firm)
new_client = assert_no_queries { company.clients_of_firm.new("name" => "Another Client") }
assert !company.clients_of_firm.loaded?
assert_equal "Another Client", new_client.name
assert !new_client.persisted?
assert_equal new_client, company.clients_of_firm.last
end
def test_build
company = companies(:first_firm)
new_client = assert_no_queries { company.clients_of_firm.build("name" => "Another Client") }
assert !company.clients_of_firm.loaded?
assert_equal "Another Client", new_client.name
assert !new_client.persisted?
assert_equal new_client, company.clients_of_firm.last
end
def test_collection_size_after_building
company = companies(:first_firm) # company already has one client
company.clients_of_firm.build("name" => "Another Client")
company.clients_of_firm.build("name" => "Yet Another Client")
assert_equal 3, company.clients_of_firm.size
end
def test_collection_size_twice_for_regressions
post = posts(:thinking)
assert_equal 0, post.readers.size
# This test needs a post that has no readers, we assert it to ensure it holds,
# but need to reload the post because the very call to #size hides the bug.
post.reload
post.readers.build
size1 = post.readers.size
size2 = post.readers.size
assert_equal size1, size2
end
def test_build_many
company = companies(:first_firm)
new_clients = assert_no_queries { company.clients_of_firm.build([{"name" => "Another Client"}, {"name" => "Another Client II"}]) }
assert_equal 2, new_clients.size
end
def test_build_followed_by_save_does_not_load_target
companies(:first_firm).clients_of_firm.build("name" => "Another Client")
assert companies(:first_firm).save
assert !companies(:first_firm).clients_of_firm.loaded?
end
def test_build_without_loading_association
first_topic = topics(:first)
Reply.column_names
assert_equal 1, first_topic.replies.length
assert_no_queries do
first_topic.replies.build(:title => "Not saved", :content => "Superstars")
assert_equal 2, first_topic.replies.size
end
assert_equal 2, first_topic.replies.to_ary.size
end
def test_build_via_block
company = companies(:first_firm)
new_client = assert_no_queries { company.clients_of_firm.build {|client| client.name = "Another Client" } }
assert !company.clients_of_firm.loaded?
assert_equal "Another Client", new_client.name
assert !new_client.persisted?
assert_equal new_client, company.clients_of_firm.last
end
def test_build_many_via_block
company = companies(:first_firm)
new_clients = assert_no_queries do
company.clients_of_firm.build([{"name" => "Another Client"}, {"name" => "Another Client II"}]) do |client|
client.name = "changed"
end
end
assert_equal 2, new_clients.size
assert_equal "changed", new_clients.first.name
assert_equal "changed", new_clients.last.name
end
def test_create_without_loading_association
first_firm = companies(:first_firm)
Firm.column_names
Client.column_names
assert_equal 1, first_firm.clients_of_firm.size
first_firm.clients_of_firm.reset
assert_queries(1) do
first_firm.clients_of_firm.create(:name => "Superstars")
end
assert_equal 2, first_firm.clients_of_firm.size
end
def test_create
force_signal37_to_load_all_clients_of_firm
new_client = companies(:first_firm).clients_of_firm.create("name" => "Another Client")
assert new_client.persisted?
assert_equal new_client, companies(:first_firm).clients_of_firm.last
assert_equal new_client, companies(:first_firm).clients_of_firm(true).last
end
def test_create_many
companies(:first_firm).clients_of_firm.create([{"name" => "Another Client"}, {"name" => "Another Client II"}])
assert_equal 3, companies(:first_firm).clients_of_firm(true).size
end
def test_create_followed_by_save_does_not_load_target
companies(:first_firm).clients_of_firm.create("name" => "Another Client")
assert companies(:first_firm).save
assert !companies(:first_firm).clients_of_firm.loaded?
end
def test_deleting
force_signal37_to_load_all_clients_of_firm
companies(:first_firm).clients_of_firm.delete(companies(:first_firm).clients_of_firm.first)
assert_equal 0, companies(:first_firm).clients_of_firm.size
assert_equal 0, companies(:first_firm).clients_of_firm(true).size
end
def test_deleting_before_save
new_firm = Firm.new("name" => "A New Firm, Inc.")
new_client = new_firm.clients_of_firm.build("name" => "Another Client")
assert_equal 1, new_firm.clients_of_firm.size
new_firm.clients_of_firm.delete(new_client)
assert_equal 0, new_firm.clients_of_firm.size
end
def test_deleting_updates_counter_cache
topic = Topic.order("id ASC").first
assert_equal topic.replies.to_a.size, topic.replies_count
topic.replies.delete(topic.replies.first)
topic.reload
assert_equal topic.replies.to_a.size, topic.replies_count
end
def test_deleting_updates_counter_cache_without_dependent_option
post = posts(:welcome)
assert_difference "post.reload.taggings_count", -1 do
post.taggings.delete(post.taggings.first)
end
end
def test_deleting_updates_counter_cache_with_dependent_delete_all
post = posts(:welcome)
post.update_columns(taggings_with_delete_all_count: post.taggings_count)
assert_difference "post.reload.taggings_with_delete_all_count", -1 do
post.taggings_with_delete_all.delete(post.taggings_with_delete_all.first)
end
end
def test_deleting_updates_counter_cache_with_dependent_destroy
post = posts(:welcome)
post.update_columns(taggings_with_destroy_count: post.taggings_count)
assert_difference "post.reload.taggings_with_destroy_count", -1 do
post.taggings_with_destroy.delete(post.taggings_with_destroy.first)
end
end
def test_custom_named_counter_cache
topic = topics(:first)
assert_difference "topic.reload.replies_count", -1 do
topic.approved_replies.clear
end
end
def test_deleting_a_collection
force_signal37_to_load_all_clients_of_firm
companies(:first_firm).clients_of_firm.create("name" => "Another Client")
assert_equal 2, companies(:first_firm).clients_of_firm.size
companies(:first_firm).clients_of_firm.delete([companies(:first_firm).clients_of_firm[0], companies(:first_firm).clients_of_firm[1]])
assert_equal 0, companies(:first_firm).clients_of_firm.size
assert_equal 0, companies(:first_firm).clients_of_firm(true).size
end
def test_delete_all
force_signal37_to_load_all_clients_of_firm
companies(:first_firm).clients_of_firm.create("name" => "Another Client")
clients = companies(:first_firm).clients_of_firm.to_a
assert_equal 2, clients.count
deleted = companies(:first_firm).clients_of_firm.delete_all
assert_equal clients.sort_by(&:id), deleted.sort_by(&:id)
assert_equal 0, companies(:first_firm).clients_of_firm.size
assert_equal 0, companies(:first_firm).clients_of_firm(true).size
end
def test_delete_all_with_not_yet_loaded_association_collection
force_signal37_to_load_all_clients_of_firm
companies(:first_firm).clients_of_firm.create("name" => "Another Client")
assert_equal 2, companies(:first_firm).clients_of_firm.size
companies(:first_firm).clients_of_firm.reset
companies(:first_firm).clients_of_firm.delete_all
assert_equal 0, companies(:first_firm).clients_of_firm.size
assert_equal 0, companies(:first_firm).clients_of_firm(true).size
end
def test_transaction_when_deleting_persisted
good = Client.new(:name => "Good")
bad = Client.new(:name => "Bad", :raise_on_destroy => true)
companies(:first_firm).clients_of_firm = [good, bad]
begin
companies(:first_firm).clients_of_firm.destroy(good, bad)
rescue Client::RaisedOnDestroy
end
assert_equal [good, bad], companies(:first_firm).clients_of_firm(true)
end
def test_transaction_when_deleting_new_record
assert_no_queries do
firm = Firm.new
client = Client.new("name" => "New Client")
firm.clients_of_firm << client
firm.clients_of_firm.destroy(client)
end
end
def test_clearing_an_association_collection
firm = companies(:first_firm)
client_id = firm.clients_of_firm.first.id
assert_equal 1, firm.clients_of_firm.size
firm.clients_of_firm.clear
assert_equal 0, firm.clients_of_firm.size
assert_equal 0, firm.clients_of_firm(true).size
assert_equal [], Client.destroyed_client_ids[firm.id]
# Should not be destroyed since the association is not dependent.
assert_nothing_raised do
assert_nil Client.find(client_id).firm
end
end
def test_clearing_updates_counter_cache
topic = Topic.first
assert_difference 'topic.reload.replies_count', -1 do
topic.replies.clear
end
end
def test_clearing_updates_counter_cache_when_inverse_counter_cache_is_a_symbol_with_dependent_destroy
car = Car.first
car.engines.create!
assert_difference 'car.reload.engines_count', -1 do
car.engines.clear
end
end
def test_clearing_a_dependent_association_collection
firm = companies(:first_firm)
client_id = firm.dependent_clients_of_firm.first.id
assert_equal 1, firm.dependent_clients_of_firm.size
# :dependent means destroy is called on each client
firm.dependent_clients_of_firm.clear
assert_equal 0, firm.dependent_clients_of_firm.size
assert_equal 0, firm.dependent_clients_of_firm(true).size
assert_equal [client_id], Client.destroyed_client_ids[firm.id]
# Should be destroyed since the association is dependent.
assert_nil Client.find_by_id(client_id)
end
def test_clearing_an_exclusively_dependent_association_collection
firm = companies(:first_firm)
client_id = firm.exclusively_dependent_clients_of_firm.first.id
assert_equal 1, firm.exclusively_dependent_clients_of_firm.size
assert_equal [], Client.destroyed_client_ids[firm.id]
# :exclusively_dependent means each client is deleted directly from
# the database without looping through them calling destroy.
firm.exclusively_dependent_clients_of_firm.clear
assert_equal 0, firm.exclusively_dependent_clients_of_firm.size
assert_equal 0, firm.exclusively_dependent_clients_of_firm(true).size
# no destroy-filters should have been called
assert_equal [], Client.destroyed_client_ids[firm.id]
# Should be destroyed since the association is exclusively dependent.
assert_nil Client.find_by_id(client_id)
end
def test_dependent_association_respects_optional_conditions_on_delete
firm = companies(:odegy)
Client.create(:client_of => firm.id, :name => "BigShot Inc.")
Client.create(:client_of => firm.id, :name => "SmallTime Inc.")
# only one of two clients is included in the association due to the :conditions key
assert_equal 2, Client.where(client_of: firm.id).size
assert_equal 1, firm.dependent_conditional_clients_of_firm.size
firm.destroy
# only the correctly associated client should have been deleted
assert_equal 1, Client.where(client_of: firm.id).size
end
def test_dependent_association_respects_optional_sanitized_conditions_on_delete
firm = companies(:odegy)
Client.create(:client_of => firm.id, :name => "BigShot Inc.")
Client.create(:client_of => firm.id, :name => "SmallTime Inc.")
# only one of two clients is included in the association due to the :conditions key
assert_equal 2, Client.where(client_of: firm.id).size
assert_equal 1, firm.dependent_sanitized_conditional_clients_of_firm.size
firm.destroy
# only the correctly associated client should have been deleted
assert_equal 1, Client.where(client_of: firm.id).size
end
def test_dependent_association_respects_optional_hash_conditions_on_delete
firm = companies(:odegy)
Client.create(:client_of => firm.id, :name => "BigShot Inc.")
Client.create(:client_of => firm.id, :name => "SmallTime Inc.")
# only one of two clients is included in the association due to the :conditions key
assert_equal 2, Client.where(client_of: firm.id).size
assert_equal 1, firm.dependent_sanitized_conditional_clients_of_firm.size
firm.destroy
# only the correctly associated client should have been deleted
assert_equal 1, Client.where(client_of: firm.id).size
end
def test_delete_all_association_with_primary_key_deletes_correct_records
firm = Firm.first
# break the vanilla firm_id foreign key
assert_equal 2, firm.clients.count
firm.clients.first.update_columns(firm_id: nil)
assert_equal 1, firm.clients(true).count
assert_equal 1, firm.clients_using_primary_key_with_delete_all.count
old_record = firm.clients_using_primary_key_with_delete_all.first
firm = Firm.first
firm.destroy
assert_nil Client.find_by_id(old_record.id)
end
def test_creation_respects_hash_condition
ms_client = companies(:first_firm).clients_like_ms_with_hash_conditions.build
assert ms_client.save
assert_equal 'Microsoft', ms_client.name
another_ms_client = companies(:first_firm).clients_like_ms_with_hash_conditions.create
assert another_ms_client.persisted?
assert_equal 'Microsoft', another_ms_client.name
end
def test_clearing_without_initial_access
firm = companies(:first_firm)
firm.clients_of_firm.clear
assert_equal 0, firm.clients_of_firm.size
assert_equal 0, firm.clients_of_firm(true).size
end
def test_deleting_a_item_which_is_not_in_the_collection
force_signal37_to_load_all_clients_of_firm
summit = Client.find_by_name('Summit')
companies(:first_firm).clients_of_firm.delete(summit)
assert_equal 1, companies(:first_firm).clients_of_firm.size
assert_equal 1, companies(:first_firm).clients_of_firm(true).size
assert_equal 2, summit.client_of
end
def test_deleting_by_fixnum_id
david = Developer.find(1)
assert_difference 'david.projects.count', -1 do
assert_equal 1, david.projects.delete(1).size
end
assert_equal 1, david.projects.size
end
def test_deleting_by_string_id
david = Developer.find(1)
assert_difference 'david.projects.count', -1 do
assert_equal 1, david.projects.delete('1').size
end
assert_equal 1, david.projects.size
end
def test_deleting_self_type_mismatch
david = Developer.find(1)
david.projects.reload
assert_raise(ActiveRecord::AssociationTypeMismatch) { david.projects.delete(Project.find(1).developers) }
end
def test_destroying
force_signal37_to_load_all_clients_of_firm
assert_difference "Client.count", -1 do
companies(:first_firm).clients_of_firm.destroy(companies(:first_firm).clients_of_firm.first)
end
assert_equal 0, companies(:first_firm).reload.clients_of_firm.size
assert_equal 0, companies(:first_firm).clients_of_firm(true).size
end
def test_destroying_by_fixnum_id
force_signal37_to_load_all_clients_of_firm
assert_difference "Client.count", -1 do
companies(:first_firm).clients_of_firm.destroy(companies(:first_firm).clients_of_firm.first.id)
end
assert_equal 0, companies(:first_firm).reload.clients_of_firm.size
assert_equal 0, companies(:first_firm).clients_of_firm(true).size
end
def test_destroying_by_string_id
force_signal37_to_load_all_clients_of_firm
assert_difference "Client.count", -1 do
companies(:first_firm).clients_of_firm.destroy(companies(:first_firm).clients_of_firm.first.id.to_s)
end
assert_equal 0, companies(:first_firm).reload.clients_of_firm.size
assert_equal 0, companies(:first_firm).clients_of_firm(true).size
end
def test_destroying_a_collection
force_signal37_to_load_all_clients_of_firm
companies(:first_firm).clients_of_firm.create("name" => "Another Client")
assert_equal 2, companies(:first_firm).clients_of_firm.size
assert_difference "Client.count", -2 do
companies(:first_firm).clients_of_firm.destroy([companies(:first_firm).clients_of_firm[0], companies(:first_firm).clients_of_firm[1]])
end
assert_equal 0, companies(:first_firm).reload.clients_of_firm.size
assert_equal 0, companies(:first_firm).clients_of_firm(true).size
end
def test_destroy_all
force_signal37_to_load_all_clients_of_firm
clients = companies(:first_firm).clients_of_firm.to_a
assert !clients.empty?, "37signals has clients after load"
destroyed = companies(:first_firm).clients_of_firm.destroy_all
assert_equal clients.sort_by(&:id), destroyed.sort_by(&:id)
assert destroyed.all? { |client| client.frozen? }, "destroyed clients should be frozen"
assert companies(:first_firm).clients_of_firm.empty?, "37signals has no clients after destroy all"
assert companies(:first_firm).clients_of_firm(true).empty?, "37signals has no clients after destroy all and refresh"
end
def test_dependence
firm = companies(:first_firm)
assert_equal 2, firm.clients.size
firm.destroy
assert Client.all.merge!(:where => "firm_id=#{firm.id}").to_a.empty?
end
def test_dependence_for_associations_with_hash_condition
david = authors(:david)
assert_difference('Post.count', -1) { assert david.destroy }
end
def test_destroy_dependent_when_deleted_from_association
# sometimes tests on Oracle fail if ORDER BY is not provided therefore add always :order with :first
firm = Firm.all.merge!(:order => "id").first
assert_equal 2, firm.clients.size
client = firm.clients.first
firm.clients.delete(client)
assert_raise(ActiveRecord::RecordNotFound) { Client.find(client.id) }
assert_raise(ActiveRecord::RecordNotFound) { firm.clients.find(client.id) }
assert_equal 1, firm.clients.size
end
def test_three_levels_of_dependence
topic = Topic.create "title" => "neat and simple"
reply = topic.replies.create "title" => "neat and simple", "content" => "still digging it"
reply.replies.create "title" => "neat and simple", "content" => "ain't complaining"
assert_nothing_raised { topic.destroy }
end
uses_transaction :test_dependence_with_transaction_support_on_failure
def test_dependence_with_transaction_support_on_failure
firm = companies(:first_firm)
clients = firm.clients
assert_equal 2, clients.length
clients.last.instance_eval { def overwrite_to_raise() raise "Trigger rollback" end }
firm.destroy rescue "do nothing"
assert_equal 2, Client.all.merge!(:where => "firm_id=#{firm.id}").to_a.size
end
def test_dependence_on_account
num_accounts = Account.count
companies(:first_firm).destroy
assert_equal num_accounts - 1, Account.count
end
def test_depends_and_nullify
num_accounts = Account.count
core = companies(:rails_core)
assert_equal accounts(:rails_core_account), core.account
assert_equal companies(:leetsoft, :jadedpixel), core.companies
core.destroy
assert_nil accounts(:rails_core_account).reload.firm_id
assert_nil companies(:leetsoft).reload.client_of
assert_nil companies(:jadedpixel).reload.client_of
assert_equal num_accounts, Account.count
end
def test_restrict
firm = RestrictedFirm.create!(:name => 'restrict')
firm.companies.create(:name => 'child')
assert !firm.companies.empty?
assert_raise(ActiveRecord::DeleteRestrictionError) { firm.destroy }
assert RestrictedFirm.exists?(:name => 'restrict')
assert firm.companies.exists?(:name => 'child')
end
def test_restrict_is_deprecated
klass = Class.new(ActiveRecord::Base)
assert_deprecated { klass.has_many :posts, dependent: :restrict }
end
def test_restrict_with_exception
firm = RestrictedWithExceptionFirm.create!(:name => 'restrict')
firm.companies.create(:name => 'child')
assert !firm.companies.empty?
assert_raise(ActiveRecord::DeleteRestrictionError) { firm.destroy }
assert RestrictedWithExceptionFirm.exists?(:name => 'restrict')
assert firm.companies.exists?(:name => 'child')
end
def test_restrict_with_error
firm = RestrictedWithErrorFirm.create!(:name => 'restrict')
firm.companies.create(:name => 'child')
assert !firm.companies.empty?
firm.destroy
assert !firm.errors.empty?
assert_equal "Cannot delete record because dependent companies exist", firm.errors[:base].first
assert RestrictedWithErrorFirm.exists?(:name => 'restrict')
assert firm.companies.exists?(:name => 'child')
end
def test_included_in_collection
assert companies(:first_firm).clients.include?(Client.find(2))
end
def test_included_in_collection_for_new_records
client = Client.create(:name => 'Persisted')
assert_nil client.client_of
assert !Firm.new.clients_of_firm.include?(client),
'includes a client that does not belong to any firm'
end
def test_adding_array_and_collection
assert_nothing_raised { Firm.first.clients + Firm.all.last.clients }
end
def test_replace_with_less
firm = Firm.all.merge!(:order => "id").first
firm.clients = [companies(:first_client)]
assert firm.save, "Could not save firm"
firm.reload
assert_equal 1, firm.clients.length
end
def test_replace_with_less_and_dependent_nullify
num_companies = Company.count
companies(:rails_core).companies = []
assert_equal num_companies, Company.count
end
def test_replace_with_new
firm = Firm.all.merge!(:order => "id").first
firm.clients = [companies(:second_client), Client.new("name" => "New Client")]
firm.save
firm.reload
assert_equal 2, firm.clients.length
assert !firm.clients.include?(:first_client)
end
def test_replace_failure
firm = companies(:first_firm)
account = Account.new
orig_accounts = firm.accounts.to_a
assert !account.valid?
assert !orig_accounts.empty?
assert_raise ActiveRecord::RecordNotSaved do
firm.accounts = [account]
end
assert_equal orig_accounts, firm.accounts
end
def test_transactions_when_replacing_on_persisted
good = Client.new(:name => "Good")
bad = Client.new(:name => "Bad", :raise_on_save => true)
companies(:first_firm).clients_of_firm = [good]
begin
companies(:first_firm).clients_of_firm = [bad]
rescue Client::RaisedOnSave
end
assert_equal [good], companies(:first_firm).clients_of_firm(true)
end
def test_transactions_when_replacing_on_new_record
assert_no_queries do
firm = Firm.new
firm.clients_of_firm = [Client.new("name" => "New Client")]
end
end
def test_get_ids
assert_equal [companies(:first_client).id, companies(:second_client).id], companies(:first_firm).client_ids
end
def test_get_ids_for_loaded_associations
company = companies(:first_firm)
company.clients(true)
assert_queries(0) do
company.client_ids
company.client_ids
end
end
def test_get_ids_for_unloaded_associations_does_not_load_them
company = companies(:first_firm)
assert !company.clients.loaded?
assert_equal [companies(:first_client).id, companies(:second_client).id], company.client_ids
assert !company.clients.loaded?
end
def test_get_ids_ignores_include_option
assert_equal [readers(:michael_welcome).id], posts(:welcome).readers_with_person_ids
end
def test_get_ids_for_unloaded_finder_sql_associations_loads_them
company = companies(:first_firm)
assert !company.clients_using_sql.loaded?
assert_equal [companies(:second_client).id], company.clients_using_sql_ids
assert company.clients_using_sql.loaded?
end
def test_get_ids_for_ordered_association
assert_equal [companies(:second_client).id, companies(:first_client).id], companies(:first_firm).clients_ordered_by_name_ids
end
def test_assign_ids_ignoring_blanks
firm = Firm.create!(:name => 'Apple')
firm.client_ids = [companies(:first_client).id, nil, companies(:second_client).id, '']
firm.save!
assert_equal 2, firm.clients(true).size
assert firm.clients.include?(companies(:second_client))
end
def test_get_ids_for_through
assert_equal [comments(:eager_other_comment1).id], authors(:mary).comment_ids
end
def test_modifying_a_through_a_has_many_should_raise
[
lambda { authors(:mary).comment_ids = [comments(:greetings).id, comments(:more_greetings).id] },
lambda { authors(:mary).comments = [comments(:greetings), comments(:more_greetings)] },
lambda { authors(:mary).comments << Comment.create!(:body => "Yay", :post_id => 424242) },
lambda { authors(:mary).comments.delete(authors(:mary).comments.first) },
].each {|block| assert_raise(ActiveRecord::HasManyThroughCantAssociateThroughHasOneOrManyReflection, &block) }
end
def test_dynamic_find_should_respect_association_order_for_through
assert_equal Comment.find(10), authors(:david).comments_desc.where("comments.type = 'SpecialComment'").first
assert_equal Comment.find(10), authors(:david).comments_desc.find_by_type('SpecialComment')
end
def test_has_many_through_respects_hash_conditions
assert_equal authors(:david).hello_posts, authors(:david).hello_posts_with_hash_conditions
assert_equal authors(:david).hello_post_comments, authors(:david).hello_post_comments_with_hash_conditions
end
def test_include_uses_array_include_after_loaded
firm = companies(:first_firm)
firm.clients.load_target
client = firm.clients.first
assert_no_queries do
assert firm.clients.loaded?
assert firm.clients.include?(client)
end
end
def test_include_checks_if_record_exists_if_target_not_loaded
firm = companies(:first_firm)
client = firm.clients.first
firm.reload
assert ! firm.clients.loaded?
assert_queries(1) do
assert firm.clients.include?(client)
end
assert ! firm.clients.loaded?
end
def test_include_loads_collection_if_target_uses_finder_sql
firm = companies(:first_firm)
client = firm.clients_using_sql.first
firm.reload
assert ! firm.clients_using_sql.loaded?
assert firm.clients_using_sql.include?(client)
assert firm.clients_using_sql.loaded?
end
def test_include_returns_false_for_non_matching_record_to_verify_scoping
firm = companies(:first_firm)
client = Client.create!(:name => 'Not Associated')
assert ! firm.clients.loaded?
assert ! firm.clients.include?(client)
end
def test_calling_first_or_last_on_association_should_not_load_association
firm = companies(:first_firm)
firm.clients.first
firm.clients.last
assert !firm.clients.loaded?
end
def test_calling_first_or_last_on_loaded_association_should_not_fetch_with_query
firm = companies(:first_firm)
firm.clients.load_target
assert firm.clients.loaded?
assert_no_queries do
firm.clients.first
assert_equal 2, firm.clients.first(2).size
firm.clients.last
assert_equal 2, firm.clients.last(2).size
end
end
def test_calling_first_or_last_on_existing_record_with_build_should_load_association
firm = companies(:first_firm)
firm.clients.build(:name => 'Foo')
assert !firm.clients.loaded?
assert_queries 1 do
firm.clients.first
firm.clients.last
end
assert firm.clients.loaded?
end
def test_calling_first_or_last_on_existing_record_with_create_should_not_load_association
firm = companies(:first_firm)
firm.clients.create(:name => 'Foo')
assert !firm.clients.loaded?
assert_queries 2 do
firm.clients.first
firm.clients.last
end
assert !firm.clients.loaded?
end
def test_calling_first_or_last_on_new_record_should_not_run_queries
firm = Firm.new
assert_no_queries do
firm.clients.first
firm.clients.last
end
end
def test_custom_primary_key_on_new_record_should_fetch_with_query
author = Author.new(:name => "David")
assert !author.essays.loaded?
assert_queries 1 do
assert_equal 1, author.essays.size
end
assert_equal author.essays, Essay.where(writer_id: "David")
end
def test_has_many_custom_primary_key
david = authors(:david)
assert_equal david.essays, Essay.where(writer_id: "David")
end
def test_blank_custom_primary_key_on_new_record_should_not_run_queries
author = Author.new
assert !author.essays.loaded?
assert_queries 0 do
assert_equal 0, author.essays.size
end
end
def test_calling_first_or_last_with_integer_on_association_should_load_association
firm = companies(:first_firm)
assert_queries 1 do
firm.clients.first(2)
firm.clients.last(2)
end
assert firm.clients.loaded?
end
def test_calling_many_should_count_instead_of_loading_association
firm = companies(:first_firm)
assert_queries(1) do
firm.clients.many? # use count query
end
assert !firm.clients.loaded?
end
def test_calling_many_on_loaded_association_should_not_use_query
firm = companies(:first_firm)
firm.clients.collect # force load
assert_no_queries { assert firm.clients.many? }
end
def test_calling_many_should_defer_to_collection_if_using_a_block
firm = companies(:first_firm)
assert_queries(1) do
firm.clients.expects(:size).never
firm.clients.many? { true }
end
assert firm.clients.loaded?
end
def test_calling_many_should_return_false_if_none_or_one
firm = companies(:another_firm)
assert !firm.clients_like_ms.many?
assert_equal 0, firm.clients_like_ms.size
firm = companies(:first_firm)
assert !firm.limited_clients.many?
assert_equal 1, firm.limited_clients.size
end
def test_calling_many_should_return_true_if_more_than_one
firm = companies(:first_firm)
assert firm.clients.many?
assert_equal 2, firm.clients.size
end
def test_joins_with_namespaced_model_should_use_correct_type
old = ActiveRecord::Base.store_full_sti_class
ActiveRecord::Base.store_full_sti_class = true
firm = Namespaced::Firm.create({ :name => 'Some Company' })
firm.clients.create({ :name => 'Some Client' })
stats = Namespaced::Firm.all.merge!(
:select => "#{Namespaced::Firm.table_name}.id, COUNT(#{Namespaced::Client.table_name}.id) AS num_clients",
:joins => :clients,
:group => "#{Namespaced::Firm.table_name}.id"
).find firm.id
assert_equal 1, stats.num_clients.to_i
ensure
ActiveRecord::Base.store_full_sti_class = old
end
def test_association_proxy_transaction_method_starts_transaction_in_association_class
Comment.expects(:transaction)
Post.first.comments.transaction do
# nothing
end
end
def test_sending_new_to_association_proxy_should_have_same_effect_as_calling_new
client_association = companies(:first_firm).clients
assert_equal client_association.new.attributes, client_association.send(:new).attributes
end
def test_respond_to_private_class_methods
client_association = companies(:first_firm).clients
assert !client_association.respond_to?(:private_method)
assert client_association.respond_to?(:private_method, true)
end
def test_creating_using_primary_key
firm = Firm.all.merge!(:order => "id").first
client = firm.clients_using_primary_key.create!(:name => 'test')
assert_equal firm.name, client.firm_name
end
def test_defining_has_many_association_with_delete_all_dependency_lazily_evaluates_target_class
ActiveRecord::Reflection::AssociationReflection.any_instance.expects(:class_name).never
class_eval(<<-EOF, __FILE__, __LINE__ + 1)
class DeleteAllModel < ActiveRecord::Base
has_many :nonentities, :dependent => :delete_all
end
EOF
end
def test_defining_has_many_association_with_nullify_dependency_lazily_evaluates_target_class
ActiveRecord::Reflection::AssociationReflection.any_instance.expects(:class_name).never
class_eval(<<-EOF, __FILE__, __LINE__ + 1)
class NullifyModel < ActiveRecord::Base
has_many :nonentities, :dependent => :nullify
end
EOF
end
def test_attributes_are_being_set_when_initialized_from_has_many_association_with_where_clause
new_comment = posts(:welcome).comments.where(:body => "Some content").build
assert_equal new_comment.body, "Some content"
end
def test_attributes_are_being_set_when_initialized_from_has_many_association_with_multiple_where_clauses
new_comment = posts(:welcome).comments.where(:body => "Some content").where(:type => 'SpecialComment').build
assert_equal new_comment.body, "Some content"
assert_equal new_comment.type, "SpecialComment"
assert_equal new_comment.post_id, posts(:welcome).id
end
def test_include_method_in_has_many_association_should_return_true_for_instance_added_with_build
post = Post.new
comment = post.comments.build
assert post.comments.include?(comment)
end
def test_load_target_respects_protected_attributes
topic = Topic.create!
reply = topic.replies.create(:title => "reply 1")
reply.approved = false
reply.save!
# Save with a different object instance, so the instance that's still held
# in topic.relies doesn't know about the changed attribute.
reply2 = Reply.find(reply.id)
reply2.approved = true
reply2.save!
# Force loading the collection from the db. This will merge the existing
# object (reply) with what gets loaded from the db (which includes the
# changed approved attribute). approved is a protected attribute, so if mass
# assignment is used, it won't get updated and will still be false.
first = topic.replies.to_a.first
assert_equal reply.id, first.id
assert_equal true, first.approved?
end
def test_to_a_should_dup_target
ary = topics(:first).replies.to_a
target = topics(:first).replies.target
assert_not_equal target.object_id, ary.object_id
end
def test_merging_with_custom_attribute_writer
bulb = Bulb.new(:color => "red")
assert_equal "RED!", bulb.color
car = Car.create!
car.bulbs << bulb
assert_equal "RED!", car.bulbs.to_a.first.color
end
def test_abstract_class_with_polymorphic_has_many
post = SubStiPost.create! :title => "fooo", :body => "baa"
tagging = Tagging.create! :taggable => post
assert_equal [tagging], post.taggings
end
def test_build_with_polymorphic_has_many_does_not_allow_to_override_type_and_id
welcome = posts(:welcome)
tagging = welcome.taggings.build(:taggable_id => 99, :taggable_type => 'ShouldNotChange')
assert_equal welcome.id, tagging.taggable_id
assert_equal 'Post', tagging.taggable_type
end
def test_dont_call_save_callbacks_twice_on_has_many
firm = companies(:first_firm)
contract = firm.contracts.create!
assert_equal 1, contract.hi_count
assert_equal 1, contract.bye_count
end
def test_association_attributes_are_available_to_after_initialize
car = Car.create(:name => 'honda')
bulb = car.bulbs.build
assert_equal car.id, bulb.attributes_after_initialize['car_id']
end
def test_replace
car = Car.create(:name => 'honda')
bulb1 = car.bulbs.create
bulb2 = Bulb.create
assert_equal [bulb1], car.bulbs
car.bulbs.replace([bulb2])
assert_equal [bulb2], car.bulbs
assert_equal [bulb2], car.reload.bulbs
end
def test_replace_returns_target
car = Car.create(:name => 'honda')
bulb1 = car.bulbs.create
bulb2 = car.bulbs.create
bulb3 = Bulb.create
assert_equal [bulb1, bulb2], car.bulbs
result = car.bulbs.replace([bulb3, bulb1])
assert_equal [bulb1, bulb3], car.bulbs
assert_equal [bulb1, bulb3], result
end
def test_collection_association_with_private_kernel_method
firm = companies(:first_firm)
assert_equal [accounts(:signals37)], firm.accounts.open
end
test "first_or_initialize adds the record to the association" do
firm = Firm.create! name: 'omg'
client = firm.clients_of_firm.first_or_initialize
assert_equal [client], firm.clients_of_firm
end
test "first_or_create adds the record to the association" do
firm = Firm.create! name: 'omg'
firm.clients_of_firm.load_target
client = firm.clients_of_firm.first_or_create name: 'lol'
assert_equal [client], firm.clients_of_firm
assert_equal [client], firm.reload.clients_of_firm
end
test "delete_all, when not loaded, doesn't load the records" do
post = posts(:welcome)
assert post.taggings_with_delete_all.count > 0
assert !post.taggings_with_delete_all.loaded?
# 2 queries: one DELETE and another to update the counter cache
assert_queries(2) do
post.taggings_with_delete_all.delete_all
end
end
test ":finder_sql is deprecated" do
klass = Class.new(ActiveRecord::Base)
assert_deprecated { klass.has_many :foo, :finder_sql => 'lol' }
end
test ":counter_sql is deprecated" do
klass = Class.new(ActiveRecord::Base)
assert_deprecated { klass.has_many :foo, :counter_sql => 'lol' }
end
test "sum calculation with block for array compatibility is deprecated" do
assert_deprecated do
posts(:welcome).comments.sum { |c| c.id }
end
end
test "has many associations on new records use null relations" do
post = Post.new
assert_no_queries do
assert_equal [], post.comments
assert_equal [], post.comments.where(body: 'omg')
assert_equal [], post.comments.pluck(:body)
assert_equal 0, post.comments.sum(:id)
assert_equal 0, post.comments.count
end
end
end
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