63 lines
1.9 KiB
Ruby
63 lines
1.9 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Bitbucket::ExponentialBackoff, feature_category: :importers do
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let(:service) { dummy_class.new }
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let(:body) { 'test' }
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let(:parsed_response) { instance_double(Net::HTTPResponse, body: body.to_json) }
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let(:response) { double(Faraday::Response, body: body, parsed: parsed_response) }
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let(:response_caller) { -> { response } }
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let(:dummy_class) do
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Class.new do
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def logger
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@logger ||= Logger.new(File::NULL)
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end
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def dummy_method(response_caller)
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retry_with_exponential_backoff do
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response_caller.call
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end
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end
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include Bitbucket::ExponentialBackoff
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end
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end
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subject(:execute) { service.dummy_method(response_caller) }
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describe '.retry_with_exponential_backoff' do
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let(:max_retries) { described_class::MAX_RETRIES }
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context 'when the function succeeds on the first try' do
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it 'calls the function once and returns its result' do
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expect(response_caller).to receive(:call).once.and_call_original
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expect(Gitlab::Json.parse(execute.parsed.body)).to eq(body)
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end
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end
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context 'when the function response is an error' do
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let(:error) { 'Rate limit for this resource has been exceeded' }
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before do
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stub_const("#{described_class.name}::INITIAL_DELAY", 0.0)
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allow(Random).to receive(:rand).and_return(0.001)
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end
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it 'raises a RateLimitError if the maximum number of retries is exceeded' do
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allow(response_caller).to receive(:call).and_raise(OAuth2::Error, error)
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message = "Maximum number of retries (#{max_retries}) exceeded. #{error}"
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expect do
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execute
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end.to raise_error(described_class::RateLimitError, message)
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expect(response_caller).to have_received(:call).exactly(max_retries).times
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end
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end
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end
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end
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