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