debian-mirror-gitlab/spec/lib/gitlab/gitaly_client/call_spec.rb

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2020-07-28 23:09:34 +05:30
# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::GitalyClient::Call do
describe '#call', :request_store do
let(:client) { Gitlab::GitalyClient }
let(:storage) { 'default' }
let(:remote_storage) { nil }
let(:request) { Gitaly::FindLocalBranchesRequest.new }
let(:rpc) { :find_local_branches }
let(:service) { :ref_service }
let(:timeout) { client.long_timeout }
subject do
described_class.new(storage, service, rpc, request, remote_storage, timeout).call
end
before do
allow(client).to receive(:execute) { response }
allow(Gitlab::PerformanceBar).to receive(:enabled_for_request?) { true }
end
def expect_call_details_to_match(duration_higher_than: 0)
expect(client.list_call_details.size).to eq(1)
expect(client.list_call_details.first)
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.to match a_hash_including(
start: a_value > 0,
feature: "#{service}##{rpc}",
duration: a_value > duration_higher_than,
request: an_instance_of(Hash),
rpc: rpc,
backtrace: an_instance_of(Array)
)
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end
context 'when the response is not an enumerator' do
let(:response) do
Gitaly::FindLocalBranchesResponse.new
end
it 'returns the response' do
expect(subject).to eq(response)
end
it 'stores timings and call details' do
subject
expect(client.query_time).to be > 0
expect_call_details_to_match
end
context 'when err' do
before do
allow(client).to receive(:execute).and_raise(StandardError)
end
it 'stores timings and call details' do
expect { subject }.to raise_error(StandardError)
expect(client.query_time).to be > 0
expect_call_details_to_match
end
end
end
context 'when the response is an enumerator' do
let(:response) do
Enumerator.new do |yielder|
yielder << 1
yielder << 2
end
end
it 'returns a consumable enumerator' do
instrumented_response = subject
expect(instrumented_response).to be_a(Enumerator)
expect(instrumented_response.to_a).to eq([1, 2])
end
context 'time measurements' do
let(:response) do
Enumerator.new do |yielder|
sleep 0.1
yielder << 1
sleep 0.2
yielder << 2
end
end
it 'records full rpc stream consumption' do
subject.to_a
expect(client.query_time).to be > 0.3
expect_call_details_to_match(duration_higher_than: 0.3)
end
it 'records partial rpc stream consumption' do
subject.first
expect(client.query_time).to be > 0.1
expect_call_details_to_match(duration_higher_than: 0.1)
end
context 'when err' do
let(:response) do
Enumerator.new do |yielder|
sleep 0.2
yielder << 1
raise StandardError
end
end
it 'records partial rpc stream consumption' do
expect { subject.to_a }.to raise_error(StandardError)
expect(client.query_time).to be > 0.2
expect_call_details_to_match(duration_higher_than: 0.2)
end
end
end
end
end
end