126 lines
2.4 KiB
Ruby
126 lines
2.4 KiB
Ruby
# frozen_string_literal: true
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require 'fast_spec_helper'
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require 'rspec-parameterized'
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require 'active_support/testing/time_helpers'
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RSpec.describe Gitlab::Ci::Runner::Backoff do
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include ActiveSupport::Testing::TimeHelpers
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describe '#duration' do
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it 'returns backoff duration from start' do
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freeze_time do
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described_class.new(5.minutes.ago).then do |backoff|
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expect(backoff.duration).to eq 5.minutes
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end
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end
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end
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it 'returns an integer value' do
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freeze_time do
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described_class.new(5.seconds.ago).then do |backoff|
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expect(backoff.duration).to be 5
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end
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end
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end
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it 'returns the smallest number greater than or equal to duration' do
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freeze_time do
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described_class.new(0.5.seconds.ago).then do |backoff|
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expect(backoff.duration).to be 1
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end
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end
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end
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end
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describe '#slot' do
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using RSpec::Parameterized::TableSyntax
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where(:started, :slot) do
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0 | 0
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0.1 | 0
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0.9 | 0
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1 | 0
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1.1 | 0
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1.9 | 0
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2 | 0
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2.9 | 0
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3 | 0
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4 | 1
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5 | 1
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6 | 1
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7 | 1
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8 | 2
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9 | 2
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9.9 | 2
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10 | 2
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15 | 2
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16 | 3
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31 | 3
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32 | 4
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63 | 4
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64 | 5
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127 | 5
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128 | 6
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250 | 6
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310 | 7
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520 | 8
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999 | 8
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end
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with_them do
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it 'falls into an appropaite backoff slot' do
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freeze_time do
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backoff = described_class.new(started.seconds.ago)
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expect(backoff.slot).to eq slot
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end
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end
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end
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end
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describe '#to_seconds' do
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using RSpec::Parameterized::TableSyntax
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where(:started, :backoff) do
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0 | 1
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0.1 | 1
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0.9 | 1
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1 | 1
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1.1 | 1
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1.9 | 1
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2 | 1
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3 | 1
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4 | 2
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5 | 2
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6 | 2
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6.5 | 2
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7 | 2
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8 | 4
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9 | 4
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9.9 | 4
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10 | 4
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15 | 4
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16 | 8
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31 | 8
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32 | 16
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63 | 16
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64 | 32
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127 | 32
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128 | 64
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250 | 64
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310 | 64
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520 | 64
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999 | 64
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end
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with_them do
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it 'calculates backoff based on an appropriate slot' do
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freeze_time do
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described_class.new(started.seconds.ago).then do |delay|
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expect(delay.to_seconds).to eq backoff
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end
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end
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end
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end
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end
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end
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