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author | GitLab Bot <gitlab-bot@gitlab.com> | 2021-03-16 21:18:33 +0300 |
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committer | GitLab Bot <gitlab-bot@gitlab.com> | 2021-03-16 21:18:33 +0300 |
commit | f64a639bcfa1fc2bc89ca7db268f594306edfd7c (patch) | |
tree | a2c3c2ebcc3b45e596949db485d6ed18ffaacfa1 /spec/lib/gitlab/database_spec.rb | |
parent | bfbc3e0d6583ea1a91f627528bedc3d65ba4b10f (diff) |
Add latest changes from gitlab-org/gitlab@13-10-stable-eev13.10.0-rc40
Diffstat (limited to 'spec/lib/gitlab/database_spec.rb')
-rw-r--r-- | spec/lib/gitlab/database_spec.rb | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/spec/lib/gitlab/database_spec.rb b/spec/lib/gitlab/database_spec.rb index 3175040167b..1553a989dba 100644 --- a/spec/lib/gitlab/database_spec.rb +++ b/spec/lib/gitlab/database_spec.rb @@ -441,4 +441,112 @@ RSpec.describe Gitlab::Database do end end end + + describe 'ActiveRecordBaseTransactionMetrics' do + def subscribe_events + events = [] + + begin + subscriber = ActiveSupport::Notifications.subscribe('transaction.active_record') do |e| + events << e + end + + yield + ensure + ActiveSupport::Notifications.unsubscribe(subscriber) if subscriber + end + + events + end + + context 'without a transaction block' do + it 'does not publish a transaction event' do + events = subscribe_events do + User.first + end + + expect(events).to be_empty + end + end + + context 'within a transaction block' do + it 'publishes a transaction event' do + events = subscribe_events do + ActiveRecord::Base.transaction do + User.first + end + end + + expect(events.length).to be(1) + + event = events.first + expect(event).not_to be_nil + expect(event.duration).to be > 0.0 + expect(event.payload).to a_hash_including( + connection: be_a(ActiveRecord::ConnectionAdapters::AbstractAdapter) + ) + end + end + + context 'within an empty transaction block' do + it 'publishes a transaction event' do + events = subscribe_events do + ActiveRecord::Base.transaction {} + end + + expect(events.length).to be(1) + + event = events.first + expect(event).not_to be_nil + expect(event.duration).to be > 0.0 + expect(event.payload).to a_hash_including( + connection: be_a(ActiveRecord::ConnectionAdapters::AbstractAdapter) + ) + end + end + + context 'within a nested transaction block' do + it 'publishes multiple transaction events' do + events = subscribe_events do + ActiveRecord::Base.transaction do + ActiveRecord::Base.transaction do + ActiveRecord::Base.transaction do + User.first + end + end + end + end + + expect(events.length).to be(3) + + events.each do |event| + expect(event).not_to be_nil + expect(event.duration).to be > 0.0 + expect(event.payload).to a_hash_including( + connection: be_a(ActiveRecord::ConnectionAdapters::AbstractAdapter) + ) + end + end + end + + context 'within a cancelled transaction block' do + it 'publishes multiple transaction events' do + events = subscribe_events do + ActiveRecord::Base.transaction do + User.first + raise ActiveRecord::Rollback + end + end + + expect(events.length).to be(1) + + event = events.first + expect(event).not_to be_nil + expect(event.duration).to be > 0.0 + expect(event.payload).to a_hash_including( + connection: be_a(ActiveRecord::ConnectionAdapters::AbstractAdapter) + ) + end + end + end end |