debian-mirror-gitlab/spec/models/concerns/relative_positioning_spec.rb

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require 'spec_helper'
describe RelativePositioning do
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let(:project) { create(:project) }
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let(:issue) { create(:issue, project: project) }
let(:issue1) { create(:issue, project: project) }
let(:new_issue) { create(:issue, project: project) }
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describe '.move_to_end' do
it 'moves the object to the end' do
Issue.move_to_end([issue, issue1])
expect(issue1.prev_relative_position).to eq issue.relative_position
expect(issue.prev_relative_position).to eq nil
expect(issue1.next_relative_position).to eq nil
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end
end
describe '#max_relative_position' do
it 'returns maximum position' do
expect(issue.max_relative_position).to eq issue1.relative_position
end
end
describe '#prev_relative_position' do
it 'returns previous position if there is an issue above' do
expect(issue1.prev_relative_position).to eq issue.relative_position
end
it 'returns nil if there is no issue above' do
expect(issue.prev_relative_position).to eq nil
end
end
describe '#next_relative_position' do
it 'returns next position if there is an issue below' do
expect(issue.next_relative_position).to eq issue1.relative_position
end
it 'returns nil if there is no issue below' do
expect(issue1.next_relative_position).to eq nil
end
end
describe '#move_before' do
it 'moves issue before' do
[issue1, issue].each(&:move_to_end)
issue.move_before(issue1)
expect(issue.relative_position).to be < issue1.relative_position
end
end
describe '#move_after' do
it 'moves issue after' do
[issue, issue1].each(&:move_to_end)
issue.move_after(issue1)
expect(issue.relative_position).to be > issue1.relative_position
end
end
describe '#move_to_end' do
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before do
[issue, issue1].each do |issue|
issue.move_to_end && issue.save
end
end
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it 'moves issue to the end' do
new_issue.move_to_end
expect(new_issue.relative_position).to be > issue1.relative_position
end
end
describe '#shift_after?' do
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before do
[issue, issue1].each do |issue|
issue.move_to_end && issue.save
end
end
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it 'returns true' do
issue.update(relative_position: issue1.relative_position - 1)
expect(issue.shift_after?).to be_truthy
end
it 'returns false' do
issue.update(relative_position: issue1.relative_position - 2)
expect(issue.shift_after?).to be_falsey
end
end
describe '#shift_before?' do
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before do
[issue, issue1].each do |issue|
issue.move_to_end && issue.save
end
end
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it 'returns true' do
issue.update(relative_position: issue1.relative_position + 1)
expect(issue.shift_before?).to be_truthy
end
it 'returns false' do
issue.update(relative_position: issue1.relative_position + 2)
expect(issue.shift_before?).to be_falsey
end
end
describe '#move_between' do
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before do
[issue, issue1].each do |issue|
issue.move_to_end && issue.save
end
end
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it 'positions issue between two other' do
new_issue.move_between(issue, issue1)
expect(new_issue.relative_position).to be > issue.relative_position
expect(new_issue.relative_position).to be < issue1.relative_position
end
it 'positions issue between on top' do
new_issue.move_between(nil, issue)
expect(new_issue.relative_position).to be < issue.relative_position
end
it 'positions issue between to end' do
new_issue.move_between(issue1, nil)
expect(new_issue.relative_position).to be > issue1.relative_position
end
it 'positions issues even when after and before positions are the same' do
issue1.update relative_position: issue.relative_position
new_issue.move_between(issue, issue1)
expect(new_issue.relative_position).to be > issue.relative_position
expect(issue.relative_position).to be < issue1.relative_position
end
it 'positions issues between other two if distance is 1' do
issue1.update relative_position: issue.relative_position + 1
new_issue.move_between(issue, issue1)
expect(new_issue.relative_position).to be > issue.relative_position
expect(issue.relative_position).to be < issue1.relative_position
end
it 'positions issue in the middle of other two if distance is big enough' do
issue.update relative_position: 6000
issue1.update relative_position: 10000
new_issue.move_between(issue, issue1)
expect(new_issue.relative_position).to eq(8000)
end
it 'positions issue closer to the middle if we are at the very top' do
issue1.update relative_position: 6000
new_issue.move_between(nil, issue1)
expect(new_issue.relative_position).to eq(6000 - RelativePositioning::IDEAL_DISTANCE)
end
it 'positions issue closer to the middle if we are at the very bottom' do
issue.update relative_position: 6000
issue1.update relative_position: nil
new_issue.move_between(issue, nil)
expect(new_issue.relative_position).to eq(6000 + RelativePositioning::IDEAL_DISTANCE)
end
it 'positions issue in the middle of other two if distance is not big enough' do
issue.update relative_position: 100
issue1.update relative_position: 400
new_issue.move_between(issue, issue1)
expect(new_issue.relative_position).to eq(250)
end
it 'positions issue in the middle of other two is there is no place' do
issue.update relative_position: 100
issue1.update relative_position: 101
new_issue.move_between(issue, issue1)
expect(new_issue.relative_position).to be_between(issue.relative_position, issue1.relative_position)
end
it 'uses rebalancing if there is no place' do
issue.update relative_position: 100
issue1.update relative_position: 101
issue2 = create(:issue, relative_position: 102, project: project)
new_issue.update relative_position: 103
new_issue.move_between(issue1, issue2)
new_issue.save!
expect(new_issue.relative_position).to be_between(issue1.relative_position, issue2.relative_position)
expect(issue.reload.relative_position).not_to eq(100)
end
it 'positions issue right if we pass none-sequential parameters' do
issue.update relative_position: 99
issue1.update relative_position: 101
issue2 = create(:issue, relative_position: 102, project: project)
new_issue.update relative_position: 103
new_issue.move_between(issue, issue2)
new_issue.save!
expect(new_issue.relative_position).to be(100)
end
end
end