416 lines
13 KiB
Ruby
416 lines
13 KiB
Ruby
# frozen_string_literal: true
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require 'logger'
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require 'timecop'
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require 'active_support/core_ext/integer/time'
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describe QA::Support::Repeater do
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before do
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logger = ::Logger.new $stdout
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logger.level = ::Logger::DEBUG
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QA::Runtime::Logger.logger = logger
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end
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subject do
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Module.new do
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extend QA::Support::Repeater
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end
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end
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let(:time_start) { Time.now }
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let(:return_value) { "test passed" }
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describe '.repeat_until' do
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context 'when raise_on_failure is not provided (default: true)' do
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context 'when retry_on_exception is not provided (default: false)' do
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context 'when max_duration is provided' do
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context 'when max duration is reached' do
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it 'raises an exception' do
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expect do
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Timecop.freeze do
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subject.repeat_until(max_duration: 1) do
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Timecop.travel(2)
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false
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end
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end
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end.to raise_error(QA::Support::Repeater::WaitExceededError, "Wait condition not met after 1 second")
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end
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it 'ignores attempts' do
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loop_counter = 0
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expect(
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Timecop.freeze do
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subject.repeat_until(max_duration: 1) do
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loop_counter += 1
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if loop_counter > 3
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Timecop.travel(1)
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return_value
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else
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false
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end
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end
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end
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).to eq(return_value)
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expect(loop_counter).to eq(4)
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end
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end
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context 'when max duration is not reached' do
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it 'returns value from block' do
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Timecop.freeze(time_start) do
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expect(
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subject.repeat_until(max_duration: 1) do
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return_value
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end
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).to eq(return_value)
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end
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end
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end
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end
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context 'when max_attempts is provided' do
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context 'when max_attempts is reached' do
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it 'raises an exception' do
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expect do
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Timecop.freeze do
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subject.repeat_until(max_attempts: 1) do
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false
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end
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end
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end.to raise_error(QA::Support::Repeater::RetriesExceededError, "Retry condition not met after 1 attempt")
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end
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it 'ignores duration' do
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loop_counter = 0
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expect(
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Timecop.freeze do
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subject.repeat_until(max_attempts: 2) do
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loop_counter += 1
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Timecop.travel(1.year)
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if loop_counter > 1
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return_value
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else
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false
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end
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end
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end
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).to eq(return_value)
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expect(loop_counter).to eq(2)
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end
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end
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context 'when max_attempts is not reached' do
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it 'returns value from block' do
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expect(
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Timecop.freeze do
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subject.repeat_until(max_attempts: 1) do
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return_value
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end
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end
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).to eq(return_value)
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end
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end
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end
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context 'when both max_attempts and max_duration are provided' do
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context 'when max_attempts is reached first' do
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it 'raises an exception' do
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loop_counter = 0
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expect do
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Timecop.freeze do
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subject.repeat_until(max_attempts: 1, max_duration: 2) do
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loop_counter += 1
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Timecop.travel(time_start + loop_counter)
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false
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end
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end
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end.to raise_error(QA::Support::Repeater::RetriesExceededError, "Retry condition not met after 1 attempt")
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end
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end
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context 'when max_duration is reached first' do
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it 'raises an exception' do
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loop_counter = 0
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expect do
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Timecop.freeze do
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subject.repeat_until(max_attempts: 2, max_duration: 1) do
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loop_counter += 1
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Timecop.travel(time_start + loop_counter)
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false
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end
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end
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end.to raise_error(QA::Support::Repeater::WaitExceededError, "Wait condition not met after 1 second")
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end
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end
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end
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end
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context 'when retry_on_exception is true' do
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context 'when max duration is reached' do
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it 'raises an exception' do
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Timecop.freeze do
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expect do
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subject.repeat_until(max_duration: 1, retry_on_exception: true) do
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Timecop.travel(2)
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raise "this should be raised"
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end
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end.to raise_error(RuntimeError, "this should be raised")
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end
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end
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it 'does not raise an exception until max_duration is reached' do
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loop_counter = 0
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Timecop.freeze(time_start) do
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expect do
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subject.repeat_until(max_duration: 2, retry_on_exception: true) do
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loop_counter += 1
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Timecop.travel(time_start + loop_counter)
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raise "this should be raised"
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end
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end.to raise_error(RuntimeError, "this should be raised")
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end
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expect(loop_counter).to eq(2)
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end
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end
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context 'when max duration is not reached' do
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it 'returns value from block' do
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loop_counter = 0
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Timecop.freeze(time_start) do
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expect(
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subject.repeat_until(max_duration: 3, retry_on_exception: true) do
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loop_counter += 1
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Timecop.travel(time_start + loop_counter)
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raise "this should not be raised" if loop_counter == 1
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return_value
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end
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).to eq(return_value)
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end
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expect(loop_counter).to eq(2)
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end
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end
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context 'when both max_attempts and max_duration are provided' do
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context 'when max_attempts is reached first' do
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it 'raises an exception' do
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loop_counter = 0
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expect do
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Timecop.freeze do
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subject.repeat_until(max_attempts: 1, max_duration: 2, retry_on_exception: true) do
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loop_counter += 1
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Timecop.travel(time_start + loop_counter)
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false
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end
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end
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end.to raise_error(QA::Support::Repeater::RetriesExceededError, "Retry condition not met after 1 attempt")
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end
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end
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context 'when max_duration is reached first' do
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it 'raises an exception' do
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loop_counter = 0
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expect do
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Timecop.freeze do
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subject.repeat_until(max_attempts: 2, max_duration: 1, retry_on_exception: true) do
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loop_counter += 1
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Timecop.travel(time_start + loop_counter)
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false
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end
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end
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end.to raise_error(QA::Support::Repeater::WaitExceededError, "Wait condition not met after 1 second")
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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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context 'when raise_on_failure is false' do
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context 'when retry_on_exception is not provided (default: false)' do
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context 'when max duration is reached' do
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def test_wait
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Timecop.freeze do
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subject.repeat_until(max_duration: 1, raise_on_failure: false) do
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Timecop.travel(2)
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return_value
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end
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end
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end
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it 'does not raise an exception' do
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expect { test_wait }.not_to raise_error
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end
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it 'returns the value from the block' do
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expect(test_wait).to eq(return_value)
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end
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end
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context 'when max duration is not reached' do
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it 'returns the value from the block' do
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Timecop.freeze do
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expect(
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subject.repeat_until(max_duration: 1, raise_on_failure: false) do
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return_value
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end
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).to eq(return_value)
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end
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end
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it 'raises an exception' do
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Timecop.freeze do
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expect do
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subject.repeat_until(max_duration: 1, raise_on_failure: false) do
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raise "this should be raised"
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end
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end.to raise_error(RuntimeError, "this should be raised")
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end
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end
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end
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context 'when both max_attempts and max_duration are provided' do
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shared_examples 'repeat until' do |max_attempts:, max_duration:|
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it "returns when #{max_attempts < max_duration ? 'max_attempts' : 'max_duration'} is reached" do
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loop_counter = 0
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expect(
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Timecop.freeze do
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subject.repeat_until(max_attempts: max_attempts, max_duration: max_duration, raise_on_failure: false) do
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loop_counter += 1
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Timecop.travel(time_start + loop_counter)
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false
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end
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end
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).to eq(false)
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expect(loop_counter).to eq(1)
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end
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end
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context 'when max_attempts is reached first' do
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it_behaves_like 'repeat until', max_attempts: 1, max_duration: 2
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end
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context 'when max_duration is reached first' do
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it_behaves_like 'repeat until', max_attempts: 2, max_duration: 1
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end
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end
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end
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context 'when retry_on_exception is true' do
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context 'when max duration is reached' do
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def test_wait
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Timecop.freeze do
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subject.repeat_until(max_duration: 1, raise_on_failure: false, retry_on_exception: true) do
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Timecop.travel(2)
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return_value
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end
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end
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end
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it 'does not raise an exception' do
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expect { test_wait }.not_to raise_error
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end
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it 'returns the value from the block' do
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expect(test_wait).to eq(return_value)
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end
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end
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context 'when max duration is not reached' do
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before do
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@loop_counter = 0
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end
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def test_wait_with_counter
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Timecop.freeze(time_start) do
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subject.repeat_until(max_duration: 3, raise_on_failure: false, retry_on_exception: true) do
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@loop_counter += 1
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Timecop.travel(time_start + @loop_counter)
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raise "this should not be raised" if @loop_counter == 1
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return_value
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end
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end
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end
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it 'does not raise an exception' do
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expect { test_wait_with_counter }.not_to raise_error
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end
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it 'returns the value from the block' do
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expect(test_wait_with_counter).to eq(return_value)
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expect(@loop_counter).to eq(2)
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end
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end
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context 'when both max_attempts and max_duration are provided' do
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shared_examples 'repeat until' do |max_attempts:, max_duration:|
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it "returns when #{max_attempts < max_duration ? 'max_attempts' : 'max_duration'} is reached" do
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loop_counter = 0
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expect(
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Timecop.freeze do
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subject.repeat_until(max_attempts: max_attempts, max_duration: max_duration, raise_on_failure: false, retry_on_exception: true) do
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loop_counter += 1
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Timecop.travel(time_start + loop_counter)
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false
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end
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end
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).to eq(false)
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expect(loop_counter).to eq(1)
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end
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end
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context 'when max_attempts is reached first' do
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it_behaves_like 'repeat until', max_attempts: 1, max_duration: 2
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end
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context 'when max_duration is reached first' do
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it_behaves_like 'repeat until', max_attempts: 2, max_duration: 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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it 'logs attempts' do
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attempted = false
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expect do
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subject.repeat_until(max_attempts: 1) do
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unless attempted
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attempted = true
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break false
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end
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true
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end
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end.to output(/Attempt number/).to_stdout_from_any_process
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end
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it 'allows logging to be silenced' do
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attempted = false
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expect do
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subject.repeat_until(max_attempts: 1, log: false) do
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unless attempted
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attempted = true
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break false
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end
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true
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end
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end.not_to output.to_stdout_from_any_process
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end
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end
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end
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