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# frozen_string_literal: true
require 'fast_spec_helper'
describe Gitlab::CorrelationId do
describe '.use_id' do
it 'yields when executed' do
expect { |blk| described_class.use_id('id', &blk) }.to yield_control
end
it 'stacks correlation ids' do
described_class.use_id('id1') do
described_class.use_id('id2') do |current_id|
expect(current_id).to eq('id2')
end
end
end
it 'for missing correlation id it generates random one' do
described_class.use_id('id1') do
described_class.use_id(nil) do |current_id|
expect(current_id).not_to be_empty
expect(current_id).not_to eq('id1')
end
end
end
end
describe '.current_id' do
subject { described_class.current_id }
it 'returns last correlation id' do
described_class.use_id('id1') do
described_class.use_id('id2') do
is_expected.to eq('id2')
end
end
end
end
describe '.current_or_new_id' do
subject { described_class.current_or_new_id }
context 'when correlation id is set' do
it 'returns last correlation id' do
described_class.use_id('id1') do
is_expected.to eq('id1')
end
end
end
context 'when correlation id is missing' do
it 'returns a new correlation id' do
expect(described_class).to receive(:new_id)
.and_call_original
is_expected.not_to be_empty
end
end
end
describe '.ids' do
subject { described_class.send(:ids) }
it 'returns empty list if not correlation is used' do
is_expected.to be_empty
end
it 'returns list if correlation ids are used' do
described_class.use_id('id1') do
described_class.use_id('id2') do
is_expected.to eq(%w(id1 id2))
end
end
end
end
end
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