109 lines
3.1 KiB
Ruby
109 lines
3.1 KiB
Ruby
require 'spec_helper'
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describe Gitlab::Metrics::UnicornSampler do
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subject { described_class.new(1.second) }
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describe '#sample' do
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let(:unicorn) { double('unicorn') }
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let(:raindrops) { double('raindrops') }
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let(:stats) { double('stats') }
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before do
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stub_const('Unicorn', unicorn)
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stub_const('Raindrops::Linux', raindrops)
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allow(raindrops).to receive(:unix_listener_stats).and_return({})
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allow(raindrops).to receive(:tcp_listener_stats).and_return({})
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end
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context 'unicorn listens on unix sockets' do
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let(:socket_address) { '/some/sock' }
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let(:sockets) { [socket_address] }
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before do
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allow(unicorn).to receive(:listener_names).and_return(sockets)
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end
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it 'samples socket data' do
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expect(raindrops).to receive(:unix_listener_stats).with(sockets)
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subject.sample
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end
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context 'stats collected' do
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before do
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allow(stats).to receive(:active).and_return('active')
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allow(stats).to receive(:queued).and_return('queued')
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allow(raindrops).to receive(:unix_listener_stats).and_return({ socket_address => stats })
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end
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it 'updates metrics type unix and with addr' do
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labels = { type: 'unix', address: socket_address }
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expect(subject).to receive_message_chain(:unicorn_active_connections, :set).with(labels, 'active')
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expect(subject).to receive_message_chain(:unicorn_queued_connections, :set).with(labels, 'queued')
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subject.sample
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end
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end
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end
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context 'unicorn listens on tcp sockets' do
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let(:tcp_socket_address) { '0.0.0.0:8080' }
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let(:tcp_sockets) { [tcp_socket_address] }
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before do
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allow(unicorn).to receive(:listener_names).and_return(tcp_sockets)
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end
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it 'samples socket data' do
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expect(raindrops).to receive(:tcp_listener_stats).with(tcp_sockets)
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subject.sample
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end
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context 'stats collected' do
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before do
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allow(stats).to receive(:active).and_return('active')
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allow(stats).to receive(:queued).and_return('queued')
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allow(raindrops).to receive(:tcp_listener_stats).and_return({ tcp_socket_address => stats })
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end
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it 'updates metrics type unix and with addr' do
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labels = { type: 'tcp', address: tcp_socket_address }
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expect(subject).to receive_message_chain(:unicorn_active_connections, :set).with(labels, 'active')
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expect(subject).to receive_message_chain(:unicorn_queued_connections, :set).with(labels, 'queued')
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subject.sample
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end
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end
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end
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end
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describe '#start' do
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context 'when enabled' do
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before do
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allow(subject).to receive(:enabled?).and_return(true)
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end
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it 'creates new thread' do
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expect(Thread).to receive(:new)
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subject.start
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end
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end
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context 'when disabled' do
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before do
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allow(subject).to receive(:enabled?).and_return(false)
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end
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it "doesn't create new thread" do
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expect(Thread).not_to receive(:new)
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subject.start
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end
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end
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end
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end
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