123 lines
4.2 KiB
Ruby
123 lines
4.2 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Gitlab::Database::Transaction::Observer, feature_category: :database do
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# Use the delete DB strategy so that the test won't be wrapped in a transaction
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describe '.instrument_transactions', :delete do
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let(:transaction_context) { ActiveRecord::Base.connection.transaction_manager.transaction_context }
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let(:context) { transaction_context.context }
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around do |example|
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# Emulate production environment when SQL comments come first to avoid truncation
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Marginalia::Comment.prepend_comment = true
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subscriber = described_class.register!
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example.run
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ActiveSupport::Notifications.unsubscribe(subscriber)
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Marginalia::Comment.prepend_comment = false
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end
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it 'tracks transaction data', :aggregate_failures do
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ActiveRecord::Base.transaction do
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ActiveRecord::Base.transaction(requires_new: true) do
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User.first
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expect(transaction_context).to be_a(::Gitlab::Database::Transaction::Context)
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expect(context.keys).to match_array(%i(start_time depth savepoints queries backtraces external_http_count_start external_http_duration_start))
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expect(context[:depth]).to eq(2)
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expect(context[:savepoints]).to eq(1)
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expect(context[:queries].length).to eq(1)
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end
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end
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expect(context[:depth]).to eq(2)
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expect(context[:savepoints]).to eq(1)
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expect(context[:releases]).to eq(1)
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expect(context[:backtraces].length).to eq(1)
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end
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describe 'tracking external network requests', :request_store do
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it 'tracks external requests' do
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perform_stubbed_external_http_request(duration: 0.25)
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perform_stubbed_external_http_request(duration: 1.25)
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ActiveRecord::Base.transaction do
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User.first
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expect(context[:external_http_count_start]).to eq(2)
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expect(context[:external_http_duration_start]).to eq(1.5)
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perform_stubbed_external_http_request(duration: 1)
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perform_stubbed_external_http_request(duration: 3)
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expect(transaction_context.external_http_requests_count).to eq 2
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expect(transaction_context.external_http_requests_duration).to eq 4
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end
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end
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context 'when external HTTP requests duration has been exceeded' do
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it 'logs transaction details including exceeding thresholds' do
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expect(Gitlab::AppJsonLogger).to receive(:info).with(
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hash_including(
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external_http_requests_count: 2,
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external_http_requests_duration: 12
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)
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)
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ActiveRecord::Base.transaction do
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User.first
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perform_stubbed_external_http_request(duration: 2)
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perform_stubbed_external_http_request(duration: 10)
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end
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end
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end
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context 'when external HTTP requests count has been exceeded' do
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it 'logs transaction details including exceeding thresholds' do
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expect(Gitlab::AppJsonLogger).to receive(:info).with(
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hash_including(external_http_requests_count: 55)
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)
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ActiveRecord::Base.transaction do
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User.first
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55.times { perform_stubbed_external_http_request(duration: 0.01) }
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end
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end
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end
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def perform_stubbed_external_http_request(duration:)
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::Gitlab::Metrics::Subscribers::ExternalHttp.new.request(
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instance_double(
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'ActiveSupport::Notifications::Event',
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payload: {
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method: 'GET', code: '200', duration: duration,
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scheme: 'http', host: 'example.gitlab.com', port: 80, path: '/'
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},
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time: Time.current
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)
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)
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end
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end
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describe '.extract_sql_command' do
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using RSpec::Parameterized::TableSyntax
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where(:sql, :expected) do
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'SELECT 1' | 'SELECT 1'
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'/* test comment */ SELECT 1' | 'SELECT 1'
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'/* test comment */ ROLLBACK TO SAVEPOINT point1' | 'ROLLBACK TO SAVEPOINT '
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'SELECT 1 /* trailing comment */' | 'SELECT 1 /* trailing comment */'
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end
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with_them do
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it do
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expect(described_class.extract_sql_command(sql)).to eq(expected)
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end
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end
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end
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end
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end
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