Created
May 22, 2018 14:46
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Additional executable test for Rails issue #32940
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# frozen_string_literal: true | |
begin | |
require "bundler/inline" | |
rescue LoadError => e | |
$stderr.puts "Bundler version 1.10 or later is required. Please update your Bundler" | |
raise e | |
end | |
gemfile(true) do | |
source "https://rubygems.org" | |
git_source(:github) { |repo| "https://github.com/#{repo}.git" } | |
# Activate the gem you are reporting the issue against. | |
gem "activerecord", "5.2.0" | |
gem "sqlite3" | |
end | |
require "active_record" | |
require "minitest/autorun" | |
require "logger" | |
# Ensure backward compatibility with Minitest 4 | |
Minitest::Test = MiniTest::Unit::TestCase unless defined?(Minitest::Test) | |
# 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 :subsets, force: true do |t| | |
end | |
create_table :items, force: true do |t| | |
end | |
create_table :subset_items, force: true do |t| | |
t.references :subset, foreign_key: true | |
t.references :item, foreign_key: true | |
end | |
end | |
class Subset < ApplicationRecord::Base | |
has_many :subset_items | |
end | |
class Item < ApplicationRecord::Base | |
has_many :subset_items | |
end | |
class SubsetItem < ApplicationRecord::Base | |
belongs_to :item | |
belongs_to :subset | |
validates :item_id, uniqueness: { scope: [:subset_id] } | |
end | |
class BugTest < Minitest::Test | |
def test_save_with_scoped_duplicates_fails | |
item = Item.create | |
subset = Subset.new(subset_items: [SubsetItem.new(item_id: item.id), SubsetItem.new(item_id: item.id)]) | |
assert_not subset.save | |
assert_predicate subset.errors, :any? | |
assert_equal 0, Subset.count | |
assert_equal 0, SubsetItem.count | |
end | |
end |
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