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require 'spec_helper'
describe Boards::Lists::MoveService, services: true do
describe '#execute' do
let(:project) { create(:project_with_board) }
let(:board) { project.board }
it 'keeps position of lists when new position is nil' do
list1 = create(:list, board: board, position: 1)
list2 = create(:list, board: board, position: 2)
list3 = create(:list, board: board, position: 3)
list4 = create(:list, board: board, position: 4)
list5 = create(:list, board: board, position: 5)
service = described_class.new(project, { list_id: list2.id, position: nil })
expect(service.execute).to eq false
expect(list1.reload.position).to eq 1
expect(list2.reload.position).to eq 2
expect(list3.reload.position).to eq 3
expect(list4.reload.position).to eq 4
expect(list5.reload.position).to eq 5
end
it 'keeps position of lists when new positon is equal to old position' do
list1 = create(:list, board: board, position: 1)
list2 = create(:list, board: board, position: 2)
list3 = create(:list, board: board, position: 3)
list4 = create(:list, board: board, position: 4)
list5 = create(:list, board: board, position: 5)
service = described_class.new(project, { list_id: list2.id, position: 2 })
expect(service.execute).to eq false
expect(list1.reload.position).to eq 1
expect(list2.reload.position).to eq 2
expect(list3.reload.position).to eq 3
expect(list4.reload.position).to eq 4
expect(list5.reload.position).to eq 5
end
it 'decrements position of intermediate lists when new position is greater than old position' do
list1 = create(:list, board: board, position: 1)
list2 = create(:list, board: board, position: 2)
list3 = create(:list, board: board, position: 3)
list4 = create(:list, board: board, position: 4)
list5 = create(:list, board: board, position: 5)
service = described_class.new(project, { list_id: list2.id, position: 5 })
expect(service.execute).to eq true
expect(list1.reload.position).to eq 1
expect(list2.reload.position).to eq 5
expect(list3.reload.position).to eq 2
expect(list4.reload.position).to eq 3
expect(list5.reload.position).to eq 4
end
it 'increments position of intermediate lists when when new position is lower than old position' do
list1 = create(:list, board: board, position: 1)
list2 = create(:list, board: board, position: 2)
list3 = create(:list, board: board, position: 3)
list4 = create(:list, board: board, position: 4)
list5 = create(:list, board: board, position: 5)
service = described_class.new(project, { list_id: list5.id, position: 2 })
expect(service.execute).to eq true
expect(list1.reload.position).to eq 1
expect(list2.reload.position).to eq 3
expect(list3.reload.position).to eq 4
expect(list4.reload.position).to eq 5
expect(list5.reload.position).to eq 2
end
end
end
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