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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::ImportExport::Project::Sample::DateCalculator do
describe '#closest date to average' do
subject { described_class.new(dates).closest_date_to_average }
context 'when dates are empty' do
let(:dates) { [] }
it { is_expected.to be_nil }
end
context 'when dates are not empty' do
let(:dates) { [[nil, '2020-01-01 00:00:00 +0000'], [nil, '2021-01-01 00:00:00 +0000'], [nil, '2022-01-01 23:59:59 +0000']] }
it { is_expected.to eq(Time.zone.parse('2021-01-01 00:00:00 +0000')) }
end
end
describe '#calculate_by_closest_date_to_average' do
let(:calculator) { described_class.new([]) }
let(:date) { Time.current }
subject { calculator.calculate_by_closest_date_to_average(date) }
context 'when average date is nil' do
before do
allow(calculator).to receive(:closest_date_to_average).and_return(nil)
end
it { is_expected.to eq(date) }
end
context 'when average date is in the past' do
before do
allow(calculator).to receive(:closest_date_to_average).and_return(date - 365.days)
allow(Time).to receive(:current).and_return(date)
end
it { is_expected.to eq(date + 365.days) }
end
context 'when average date is in the future' do
before do
allow(calculator).to receive(:closest_date_to_average).and_return(date + 10.days)
end
it { is_expected.to eq(date) }
end
end
end
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