138 lines
3.3 KiB
Ruby
138 lines
3.3 KiB
Ruby
require 'spec_helper'
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describe Gitlab::Metrics::Transaction do
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let(:transaction) { described_class.new }
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describe '#duration' do
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it 'returns the duration of a transaction in seconds' do
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transaction.run { sleep(0.5) }
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expect(transaction.duration).to be >= 0.5
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end
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end
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describe '#allocated_memory' do
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it 'returns the allocated memory in bytes' do
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transaction.run { 'a' * 32 }
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expect(transaction.allocated_memory).to be_a_kind_of(Numeric)
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end
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end
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describe '#run' do
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it 'yields the supplied block' do
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expect { |b| transaction.run(&b) }.to yield_control
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end
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it 'stores the transaction in the current thread' do
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transaction.run do
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expect(Thread.current[described_class::THREAD_KEY]).to eq(transaction)
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end
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end
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it 'removes the transaction from the current thread upon completion' do
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transaction.run { }
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expect(Thread.current[described_class::THREAD_KEY]).to be_nil
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end
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end
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describe '#add_metric' do
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it 'adds a metric to the transaction' do
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expect(Gitlab::Metrics::Metric).to receive(:new).
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with('rails_foo', { number: 10 }, {})
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transaction.add_metric('foo', number: 10)
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end
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end
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describe '#increment' do
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it 'increments a counter' do
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transaction.increment(:time, 1)
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transaction.increment(:time, 2)
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values = { duration: 0.0, time: 3, allocated_memory: a_kind_of(Numeric) }
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expect(transaction).to receive(:add_metric).
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with('transactions', values, {})
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transaction.track_self
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end
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end
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describe '#set' do
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it 'sets a value' do
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transaction.set(:number, 10)
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values = {
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duration: 0.0,
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number: 10,
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allocated_memory: a_kind_of(Numeric)
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}
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expect(transaction).to receive(:add_metric).
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with('transactions', values, {})
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transaction.track_self
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end
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end
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describe '#add_tag' do
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it 'adds a tag' do
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transaction.add_tag(:foo, 'bar')
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expect(transaction.tags).to eq({ foo: 'bar' })
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end
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end
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describe '#finish' do
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it 'tracks the transaction details and submits them to Sidekiq' do
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expect(transaction).to receive(:track_self)
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expect(transaction).to receive(:submit)
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transaction.finish
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end
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end
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describe '#track_self' do
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it 'adds a metric for the transaction itself' do
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values = {
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duration: transaction.duration,
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allocated_memory: a_kind_of(Numeric)
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}
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expect(transaction).to receive(:add_metric).
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with('transactions', values, {})
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transaction.track_self
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end
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end
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describe '#submit' do
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it 'submits the metrics to Sidekiq' do
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transaction.track_self
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expect(Gitlab::Metrics).to receive(:submit_metrics).
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with([an_instance_of(Hash)])
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transaction.submit
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end
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it 'adds the action as a tag for every metric' do
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transaction.action = 'Foo#bar'
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transaction.track_self
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hash = {
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series: 'rails_transactions',
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tags: { action: 'Foo#bar' },
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values: { duration: 0.0, allocated_memory: a_kind_of(Numeric) },
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timestamp: an_instance_of(Fixnum)
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}
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expect(Gitlab::Metrics).to receive(:submit_metrics).
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with([hash])
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transaction.submit
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end
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end
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end
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