gitlab-org--gitlab-foss/spec/lib/gitlab/ci/cron_parser_spec.rb

361 lines
11 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Ci::CronParser do
shared_examples_for "returns time in the future" do
it { is_expected.to be > Time.now }
end
shared_examples_for "returns time in the past" do
it { is_expected.to be < Time.now }
end
shared_examples_for 'when cron and cron_timezone are valid' do |returns_time_for_epoch|
context 'when specific time' do
let(:cron) { '3 4 5 6 *' }
let(:cron_timezone) { 'UTC' }
it_behaves_like returns_time_for_epoch
it 'returns exact time' do
expect(subject.min).to eq(3)
expect(subject.hour).to eq(4)
expect(subject.day).to eq(5)
expect(subject.month).to eq(6)
end
end
context 'when specific day of week' do
let(:cron) { '* * * * 0' }
let(:cron_timezone) { 'UTC' }
it_behaves_like returns_time_for_epoch
it 'returns exact day of week' do
expect(subject.wday).to eq(0)
end
end
context 'when slash used' do
let(:cron) { '*/10 */6 */10 */10 *' }
let(:cron_timezone) { 'UTC' }
it_behaves_like returns_time_for_epoch
it 'returns specific time' do
expect(subject.min).to be_in([0, 10, 20, 30, 40, 50])
expect(subject.hour).to be_in([0, 6, 12, 18])
expect(subject.day).to be_in([1, 11, 21, 31])
expect(subject.month).to be_in([1, 11])
end
end
context 'when range used' do
let(:cron) { '0,20,40 * 1-5 * *' }
let(:cron_timezone) { 'UTC' }
it_behaves_like returns_time_for_epoch
it 'returns specific time' do
expect(subject.min).to be_in([0, 20, 40])
expect(subject.day).to be_in((1..5).to_a)
end
end
context 'when range and slash used' do
let(:cron) { '3-59/10 * * * *' }
let(:cron_timezone) { 'UTC' }
it_behaves_like returns_time_for_epoch
it 'returns specific time' do
expect(subject.min).to be_in([3, 13, 23, 33, 43, 53])
end
end
context 'when cron_timezone is TZInfo format' do
before do
allow(Time).to receive(:zone)
.and_return(ActiveSupport::TimeZone['UTC'])
end
let(:hour_in_utc) do
ActiveSupport::TimeZone[cron_timezone]
.now.change(hour: 0).in_time_zone('UTC').hour
end
context 'when cron_timezone is US/Pacific' do
let(:cron) { '* 0 * * *' }
let(:cron_timezone) { 'US/Pacific' }
it_behaves_like returns_time_for_epoch
context 'when PST (Pacific Standard Time)' do
it 'converts time in server time zone' do
travel_to(Time.utc(2017, 1, 1)) do
expect(subject.hour).to eq(hour_in_utc)
end
end
end
context 'when PDT (Pacific Daylight Time)' do
it 'converts time in server time zone' do
travel_to(Time.utc(2017, 6, 1)) do
expect(subject.hour).to eq(hour_in_utc)
end
end
end
end
end
context 'when cron_timezone is ActiveSupport::TimeZone format' do
before do
allow(Time).to receive(:zone)
.and_return(ActiveSupport::TimeZone['UTC'])
end
let(:hour_in_utc) do
ActiveSupport::TimeZone[cron_timezone]
.now.change(hour: 0).in_time_zone('UTC').hour
end
context 'when cron_timezone is Berlin' do
let(:cron) { '* 0 * * *' }
let(:cron_timezone) { 'Berlin' }
it_behaves_like returns_time_for_epoch
context 'when CET (Central European Time)' do
it 'converts time in server time zone' do
travel_to(Time.utc(2017, 1, 1)) do
expect(subject.hour).to eq(hour_in_utc)
end
end
end
context 'when CEST (Central European Summer Time)' do
it 'converts time in server time zone' do
travel_to(Time.utc(2017, 6, 1)) do
expect(subject.hour).to eq(hour_in_utc)
end
end
end
end
end
end
shared_examples_for 'when cron_timezone is Eastern Time (US & Canada)' do |returns_time_for_epoch, year|
let(:cron) { '* 0 * * *' }
let(:cron_timezone) { 'Eastern Time (US & Canada)' }
before do
allow(Time).to receive(:zone)
.and_return(ActiveSupport::TimeZone['UTC'])
end
let(:hour_in_utc) do
ActiveSupport::TimeZone[cron_timezone]
.now.change(hour: 0).in_time_zone('UTC').hour
end
it_behaves_like returns_time_for_epoch
context 'when EST (Eastern Standard Time)' do
it 'converts time in server time zone' do
travel_to(Time.utc(2017, 1, 1)) do
expect(subject.hour).to eq(hour_in_utc)
end
end
end
context 'when EDT (Eastern Daylight Time)' do
it 'converts time in server time zone' do
travel_to(Time.utc(2017, 6, 1)) do
expect(subject.hour).to eq(hour_in_utc)
end
end
end
context 'when time crosses a Daylight Savings boundary' do
let(:cron) { '* 0 1 12 *'}
# Note this previously only failed if the time zone is set
# to a zone that observes Daylight Savings
# (e.g. America/Chicago) at the start of the test. Stubbing
# TZ doesn't appear to be enough.
it 'generates day without TZInfo::AmbiguousTime error' do
travel_to(Time.utc(2020, 1, 1)) do
expect(subject.year).to eq(year)
expect(subject.month).to eq(12)
expect(subject.day).to eq(1)
end
end
end
end
shared_examples_for 'when cron and cron_timezone are invalid' do
let(:cron) { 'invalid_cron' }
let(:cron_timezone) { 'invalid_cron_timezone' }
it { is_expected.to be_nil }
end
shared_examples_for 'when cron syntax is quoted' do
let(:cron) { "'0 * * * *'" }
let(:cron_timezone) { 'UTC' }
it { expect(subject).to be_nil }
end
shared_examples_for 'when cron syntax is rufus-scheduler syntax' do
let(:cron) { 'every 3h' }
let(:cron_timezone) { 'UTC' }
it { expect(subject).to be_nil }
end
shared_examples_for 'when cron is scheduled to a non existent day' do
let(:cron) { '0 12 31 2 *' }
let(:cron_timezone) { 'UTC' }
it { expect(subject).to be_nil }
end
describe '#next_time_from' do
subject { described_class.new(cron, cron_timezone).next_time_from(Time.now) }
it_behaves_like 'when cron and cron_timezone are valid', 'returns time in the future'
it_behaves_like 'when cron_timezone is Eastern Time (US & Canada)', 'returns time in the future', 2020
it_behaves_like 'when cron and cron_timezone are invalid'
it_behaves_like 'when cron syntax is quoted'
it_behaves_like 'when cron syntax is rufus-scheduler syntax'
it_behaves_like 'when cron is scheduled to a non existent day'
end
describe '#previous_time_from' do
subject { described_class.new(cron, cron_timezone).previous_time_from(Time.now) }
it_behaves_like 'when cron and cron_timezone are valid', 'returns time in the past'
it_behaves_like 'when cron_timezone is Eastern Time (US & Canada)', 'returns time in the past', 2019
it_behaves_like 'when cron and cron_timezone are invalid'
it_behaves_like 'when cron syntax is quoted'
it_behaves_like 'when cron syntax is rufus-scheduler syntax'
it_behaves_like 'when cron is scheduled to a non existent day'
end
describe '#cron_valid?' do
subject { described_class.new(cron, Gitlab::Ci::CronParser::VALID_SYNTAX_SAMPLE_TIME_ZONE).cron_valid? }
context 'when cron is valid' do
let(:cron) { '* * * * *' }
it { is_expected.to eq(true) }
end
context 'when cron is invalid' do
let(:cron) { '*********' }
it { is_expected.to eq(false) }
end
context 'when cron syntax is quoted' do
let(:cron) { "'0 * * * *'" }
it { is_expected.to eq(false) }
end
end
describe '#cron_timezone_valid?' do
subject { described_class.new(Gitlab::Ci::CronParser::VALID_SYNTAX_SAMPLE_CRON, cron_timezone).cron_timezone_valid? }
context 'when cron is valid' do
let(:cron_timezone) { 'Europe/Istanbul' }
it { is_expected.to eq(true) }
end
context 'when cron is invalid' do
let(:cron_timezone) { 'Invalid-zone' }
it { is_expected.to eq(false) }
end
context 'when cron_timezone is ActiveSupport::TimeZone format' do
let(:cron_timezone) { 'Eastern Time (US & Canada)' }
it { is_expected.to eq(true) }
end
end
describe '.parse_natural', :aggregate_failures do
let(:cron_line) { described_class.parse_natural_with_timestamp(time, { unit: 'day', duration: 1 }) }
let(:time) { Time.parse('Mon, 30 Aug 2021 06:29:44.067132000 UTC +00:00') }
let(:hours) { Fugit::Cron.parse(cron_line).hours }
let(:minutes) { Fugit::Cron.parse(cron_line).minutes }
let(:weekdays) { Fugit::Cron.parse(cron_line).weekdays.first }
let(:months) { Fugit::Cron.parse(cron_line).months }
context 'when repeat cycle is day' do
it 'generates daily cron expression', :aggregate_failures do
expect(hours).to include time.hour
expect(minutes).to include time.min
end
end
context 'when repeat cycle is week' do
let(:cron_line) { described_class.parse_natural_with_timestamp(time, { unit: 'week', duration: 1 }) }
it 'generates weekly cron expression', :aggregate_failures do
expect(hours).to include time.hour
expect(minutes).to include time.min
expect(weekdays).to include time.wday
end
end
context 'when repeat cycle is month' do
let(:cron_line) { described_class.parse_natural_with_timestamp(time, { unit: 'month', duration: 3 }) }
it 'generates monthly cron expression', :aggregate_failures do
expect(minutes).to include time.min
expect(months).to include time.month
end
context 'when an unsupported duration is specified' do
subject { described_class.parse_natural_with_timestamp(time, { unit: 'month', duration: 7 }) }
it 'raises an exception' do
expect { subject }.to raise_error(NotImplementedError, 'The cadence {:unit=>"month", :duration=>7} is not supported')
end
end
end
context 'when repeat cycle is year' do
let(:cron_line) { described_class.parse_natural_with_timestamp(time, { unit: 'year', duration: 1 }) }
it 'generates yearly cron expression', :aggregate_failures do
expect(hours).to include time.hour
expect(minutes).to include time.min
expect(months).to include time.month
end
end
context 'when the repeat cycle is not implemented' do
subject { described_class.parse_natural_with_timestamp(time, { unit: 'quarterly', duration: 1 }) }
it 'raises an exception' do
expect { subject }.to raise_error(NotImplementedError, 'The cadence unit quarterly is not implemented')
end
end
end
end