158 lines
3.5 KiB
Ruby
158 lines
3.5 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Gitlab::Database::Transaction::Context, feature_category: :database do
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subject { described_class.new }
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let(:data) { subject.context }
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before do
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stub_const("#{described_class}::LOG_THROTTLE", 100)
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end
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describe '#set_start_time' do
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before do
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subject.set_start_time
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end
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it 'sets start_time' do
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expect(data).to have_key(:start_time)
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end
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end
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describe '#increment_savepoints' do
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before do
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2.times { subject.increment_savepoints }
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end
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it { expect(data[:savepoints]).to eq(2) }
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end
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describe '#increment_rollbacks' do
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before do
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3.times { subject.increment_rollbacks }
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end
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it { expect(data[:rollbacks]).to eq(3) }
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end
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describe '#increment_releases' do
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before do
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4.times { subject.increment_releases }
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end
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it { expect(data[:releases]).to eq(4) }
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end
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describe '#set_depth' do
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before do
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subject.set_depth(2)
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end
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it { expect(data[:depth]).to eq(2) }
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end
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describe '#track_sql' do
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before do
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subject.track_sql('SELECT 1')
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subject.track_sql('SELECT * FROM users')
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end
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it { expect(data[:queries]).to eq(['SELECT 1', 'SELECT * FROM users']) }
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end
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describe '#track_backtrace' do
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before do
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subject.track_backtrace(caller)
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end
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it { expect(data[:backtraces]).to be_a(Array) }
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it { expect(data[:backtraces]).to all(be_a(Array)) }
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it { expect(data[:backtraces].length).to eq(1) }
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it { expect(data[:backtraces][0][0]).to be_a(String) }
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it 'appends the backtrace' do
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subject.track_backtrace(caller)
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expect(data[:backtraces].length).to eq(2)
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expect(subject.backtraces).to be_a(Array)
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expect(subject.backtraces).to all(be_a(Array))
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expect(subject.backtraces[1][0]).to be_a(String)
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end
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end
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describe '#duration' do
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before do
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subject.set_start_time
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end
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it { expect(subject.duration).to be >= 0 }
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end
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shared_examples 'logs transaction data' do
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it 'logs once upon COMMIT' do
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expect(subject).to receive(:application_info).and_call_original
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2.times { subject.commit }
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end
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it 'logs once upon ROLLBACK' do
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expect(subject).to receive(:application_info).once
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2.times { subject.rollback }
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end
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it 'logs again when log throttle duration passes' do
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expect(subject).to receive(:application_info).twice.and_call_original
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2.times { subject.commit }
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data[:last_log_timestamp] -= (described_class::LOG_THROTTLE_DURATION + 1)
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subject.commit
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end
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it '#should_log? returns true' do
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expect(subject.should_log?).to be true
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end
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end
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context 'when savepoints count exceeds threshold' do
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before do
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data[:savepoints] = 1
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end
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it_behaves_like 'logs transaction data'
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end
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context 'when duration exceeds threshold' do
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before do
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subject.set_start_time
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data[:start_time] -= (described_class::LOG_DURATION_S_THRESHOLD + 1)
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end
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it_behaves_like 'logs transaction data'
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end
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context 'when there are too many external HTTP requests' do
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before do
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allow(::Gitlab::Metrics::Subscribers::ExternalHttp)
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.to receive(:request_count)
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.and_return(100)
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end
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it_behaves_like 'logs transaction data'
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end
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context 'when there are too many too long external HTTP requests' do
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before do
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allow(::Gitlab::Metrics::Subscribers::ExternalHttp)
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.to receive(:duration)
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.and_return(5.5)
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end
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it_behaves_like 'logs transaction data'
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end
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end
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