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author | GitLab Bot <gitlab-bot@gitlab.com> | 2021-04-20 23:50:22 +0000 |
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committer | GitLab Bot <gitlab-bot@gitlab.com> | 2021-04-20 23:50:22 +0000 |
commit | 9dc93a4519d9d5d7be48ff274127136236a3adb3 (patch) | |
tree | 70467ae3692a0e35e5ea56bcb803eb512a10bedb /spec/workers/database/batched_background_migration_worker_spec.rb | |
parent | 4b0f34b6d759d6299322b3a54453e930c6121ff0 (diff) | |
download | gitlab-ce-9dc93a4519d9d5d7be48ff274127136236a3adb3.tar.gz |
Add latest changes from gitlab-org/gitlab@13-11-stable-eev13.11.0-rc43
Diffstat (limited to 'spec/workers/database/batched_background_migration_worker_spec.rb')
-rw-r--r-- | spec/workers/database/batched_background_migration_worker_spec.rb | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/spec/workers/database/batched_background_migration_worker_spec.rb b/spec/workers/database/batched_background_migration_worker_spec.rb new file mode 100644 index 00000000000..b13d1f5c7aa --- /dev/null +++ b/spec/workers/database/batched_background_migration_worker_spec.rb @@ -0,0 +1,121 @@ +# frozen_string_literal: true + +require 'spec_helper' + +RSpec.describe Database::BatchedBackgroundMigrationWorker, '#perform', :clean_gitlab_redis_shared_state do + include ExclusiveLeaseHelpers + + let(:worker) { described_class.new } + + context 'when the feature flag is disabled' do + before do + stub_feature_flags(execute_batched_migrations_on_schedule: false) + end + + it 'does nothing' do + expect(worker).not_to receive(:active_migration) + expect(worker).not_to receive(:run_active_migration) + + worker.perform + end + end + + context 'when the feature flag is enabled' do + before do + stub_feature_flags(execute_batched_migrations_on_schedule: true) + + allow(Gitlab::Database::BackgroundMigration::BatchedMigration).to receive(:active_migration).and_return(nil) + end + + context 'when no active migrations exist' do + it 'does nothing' do + expect(worker).not_to receive(:run_active_migration) + + worker.perform + end + end + + context 'when active migrations exist' do + let(:job_interval) { 5.minutes } + let(:lease_timeout) { 15.minutes } + let(:lease_key) { 'batched_background_migration_worker' } + let(:migration) { build(:batched_background_migration, :active, interval: job_interval) } + let(:interval_variance) { described_class::INTERVAL_VARIANCE } + + before do + allow(Gitlab::Database::BackgroundMigration::BatchedMigration).to receive(:active_migration) + .and_return(migration) + + allow(migration).to receive(:interval_elapsed?).with(variance: interval_variance).and_return(true) + allow(migration).to receive(:reload) + end + + context 'when the reloaded migration is no longer active' do + it 'does not run the migration' do + expect_to_obtain_exclusive_lease(lease_key, timeout: lease_timeout) + + expect(migration).to receive(:reload) + expect(migration).to receive(:active?).and_return(false) + + expect(worker).not_to receive(:run_active_migration) + + worker.perform + end + end + + context 'when the interval has not elapsed' do + it 'does not run the migration' do + expect_to_obtain_exclusive_lease(lease_key, timeout: lease_timeout) + + expect(migration).to receive(:interval_elapsed?).with(variance: interval_variance).and_return(false) + + expect(worker).not_to receive(:run_active_migration) + + worker.perform + end + end + + context 'when the reloaded migration is still active and the interval has elapsed' do + it 'runs the migration' do + expect_to_obtain_exclusive_lease(lease_key, timeout: lease_timeout) + + expect_next_instance_of(Gitlab::Database::BackgroundMigration::BatchedMigrationRunner) do |instance| + expect(instance).to receive(:run_migration_job).with(migration) + end + + expect(worker).to receive(:run_active_migration).and_call_original + + worker.perform + end + end + + context 'when the calculated timeout is less than the minimum allowed' do + let(:minimum_timeout) { described_class::MINIMUM_LEASE_TIMEOUT } + let(:job_interval) { 2.minutes } + + it 'sets the lease timeout to the minimum value' do + expect_to_obtain_exclusive_lease(lease_key, timeout: minimum_timeout) + + expect_next_instance_of(Gitlab::Database::BackgroundMigration::BatchedMigrationRunner) do |instance| + expect(instance).to receive(:run_migration_job).with(migration) + end + + expect(worker).to receive(:run_active_migration).and_call_original + + worker.perform + end + end + + it 'always cleans up the exclusive lease' do + lease = stub_exclusive_lease_taken(lease_key, timeout: lease_timeout) + + expect(lease).to receive(:try_obtain).and_return(true) + + expect(worker).to receive(:run_active_migration).and_raise(RuntimeError, 'I broke') + expect(lease).to receive(:cancel) + + expect { worker.perform }.to raise_error(RuntimeError, 'I broke') + end + end + end +end |