discourse/spec/components/concern/positionable_spec.rb
Sam Saffron 4ea21fa2d0 DEV: use #frozen_string_literal: true on all spec
This change both speeds up specs (less strings to allocate) and helps catch
cases where methods in Discourse are mutating inputs.

Overall we will be migrating everything to use #frozen_string_literal: true
it will take a while, but this is the first and safest move in this direction
2019-04-30 10:27:42 +10:00

54 lines
1.4 KiB
Ruby

# frozen_string_literal: true
require "rails_helper"
describe Positionable do
def positions
TestItem.order('position asc, id asc').pluck(:id)
end
context "move_to" do
before do
class TestItem < ActiveRecord::Base
include Positionable
end
DB.exec("create temporary table test_items(id int primary key, position int)")
end
after do
DB.exec("drop table test_items")
# import is making my life hard, we need to nuke this out of orbit
des = ActiveSupport::DescendantsTracker.class_variable_get :@@direct_descendants
des[ActiveRecord::Base].delete(TestItem)
end
it "can position stuff correctly" do
5.times do |i|
DB.exec("insert into test_items(id,position) values(#{i}, #{i})")
end
expect(positions).to eq([0, 1, 2, 3, 4])
TestItem.find(3).move_to(0)
expect(positions).to eq([3, 0, 1, 2, 4])
expect(TestItem.pluck(:position).sort).to eq([0, 1, 2, 3, 4])
TestItem.find(3).move_to(1)
expect(positions).to eq([0, 3, 1, 2, 4])
# this is somewhat odd, but when there is no such position, not much we can do
TestItem.find(1).move_to(5)
expect(positions).to eq([0, 3, 2, 4, 1])
expect(TestItem.pluck(:position).sort).to eq([0, 1, 2, 3, 4])
item = TestItem.new
item.id = 7
item.save
expect(item.position).to eq(5)
end
end
end