I'm not sure if I missed something.
In the following case, when the join table is not a model, should it be
possible to build the relation with nested attributes?
unless File.exist?('Gemfile')
File.write('Gemfile', <<-GEMFILE)
source 'https://rubygems.org'
gem 'rails', github: 'rails/rails'
gem 'arel', github: 'rails/arel'
gem 'sqlite3'
GEMFILE
system 'bundle'
end
require 'bundler'
Bundler.setup(:default)
require 'active_record'
require 'minitest/autorun'
require 'logger'
# This connection will do for database-independent bug reports.
ActiveRecord::Base.establish_connection(adapter: 'sqlite3', database:
':memory:')
ActiveRecord::Base.logger = Logger.new(STDOUT)
ActiveRecord::Schema.define do
create_table :posts, force: true do |t|
end
create_table :tags, force: true do |t|
end
create_table :post_tags, id: false, force: true do |t|
t.integer :post_id
t.integer :tag_id
end
end
class Post < ActiveRecord::Base
has_and_belongs_to_many :tags
accepts_nested_attributes_for :tags
end
class Tag < ActiveRecord::Base
end
class BugTest < Minitest::Test
def test_habtm_nested_attributes
post = Post.create!
tag = Tag.create!
post.tags_attributes = [{ tag_id: tag.id }]
assert post.save
end
end
Thanks
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