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1be01f8dd4
Minor fixes to add Rails 6 support to Discourse, we now will boot with RAILS_MASTER=1, all specs pass Only one tiny deprecation left Largest change was the way ActiveModel:Errors changed interface a bit but there is a simple backwards compat way of working it
54 lines
1.4 KiB
Ruby
54 lines
1.4 KiB
Ruby
# frozen_string_literal: true
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require "rails_helper"
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describe Positionable do
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def positions
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TestItem.order('position asc, id asc').pluck(:id)
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end
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context "move_to" do
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before do
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class TestItem < ActiveRecord::Base
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include Positionable
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end
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DB.exec("create temporary table test_items(id int primary key, position int)")
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end
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after do
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DB.exec("drop table test_items")
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# this weakref in the descendant tracker should clean up the two tests
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# if this becomes an issue we can revisit (watch out for erratic tests)
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Object.send(:remove_const, :TestItem)
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end
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it "can position stuff correctly" do
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5.times do |i|
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DB.exec("insert into test_items(id,position) values(#{i}, #{i})")
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end
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expect(positions).to eq([0, 1, 2, 3, 4])
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TestItem.find(3).move_to(0)
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expect(positions).to eq([3, 0, 1, 2, 4])
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expect(TestItem.pluck(:position).sort).to eq([0, 1, 2, 3, 4])
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TestItem.find(3).move_to(1)
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expect(positions).to eq([0, 3, 1, 2, 4])
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# this is somewhat odd, but when there is no such position, not much we can do
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TestItem.find(1).move_to(5)
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expect(positions).to eq([0, 3, 2, 4, 1])
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expect(TestItem.pluck(:position).sort).to eq([0, 1, 2, 3, 4])
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item = TestItem.new
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item.id = 7
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item.save
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expect(item.position).to eq(5)
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end
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end
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end
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