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ActiveRecord Association with scope block tests
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| unless File.exists?('Gemfile') | |
| File.write('Gemfile', <<-GEMFILE) | |
| source 'https://rubygems.org' | |
| gem 'rails', github: 'rails/rails' | |
| 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 do |t| | |
| end | |
| create_table :comments do |t| | |
| t.integer :post_id | |
| end | |
| end | |
| class Post < ActiveRecord::Base | |
| has_many :comments | |
| has_one :comment, -> { where(id: 1).where(id: 2) }, :class_name => 'Comment' # Works | |
| has_one :comment_as_arel, -> { where(Comment.arel_table[:id].eq(1)).where(id: 2) }, :class_name => 'Comment' # Works | |
| has_one :comment_as_arel2, -> { where(Comment.arel_table[:id].gt(1)).where(id: 2) }, :class_name => 'Comment' # Fails | |
| has_one :comment_as_string, -> { where("id = ?", 1).where(id: 2) }, :class_name => 'Comment' # Fails | |
| end | |
| class Comment < ActiveRecord::Base | |
| belongs_to :post | |
| end | |
| class BugTest < MiniTest::Unit::TestCase | |
| def test_association_with_conditions_as_symbols | |
| post = Post.create! | |
| post.comments << Comment.create! | |
| assert_equal 0, Post.joins(:comment).count # Works | |
| end | |
| def test_association_with_conditions_as_arel_equals | |
| post = Post.create! | |
| post.comments << Comment.create! | |
| assert_equal 0, Post.joins(:comment_as_arel).count # Works | |
| end | |
| def test_association_with_conditions_as_arel_greater | |
| post = Post.create! | |
| post.comments << Comment.create! | |
| assert_equal 0, Post.joins(:comment_as_arel2).count # Fails | |
| end | |
| def test_association_with_conditions_as_string | |
| post = Post.create! | |
| post.comments << Comment.create! | |
| assert_equal 0, Post.joins(:comment_as_string).count # Fails | |
| end | |
| end |
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