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51 lines
1.3 KiB
Ruby
51 lines
1.3 KiB
Ruby
require "spec_helper"
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require_dependency "concern/positionable"
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describe Concern::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 Concern::Positionable
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end
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Topic.exec_sql("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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Topic.exec_sql("drop table test_items")
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# import is making my life hard, we need to nuke this out of orbit
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des = ActiveSupport::DescendantsTracker.class_variable_get :@@direct_descendants
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des[ActiveRecord::Base].delete(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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Topic.exec_sql("insert into test_items(id,position) values(#{i}, #{i})")
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end
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positions.should == [0,1,2,3,4]
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TestItem.find(3).move_to(0)
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positions.should == [3,0,1,2,4]
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TestItem.pluck(:position).sort.should == [0,1,2,3,4]
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# this is somewhat odd, but when there is not positioning
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# not much we can do
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TestItem.find(1).move_to(5)
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positions.should == [3,0,2,4,1]
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TestItem.pluck(:position).sort.should == [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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item.position.should == 5
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end
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end
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end
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