diff options
Diffstat (limited to 'spec/migrations/slice_merge_request_diff_commit_migrations_spec.rb')
-rw-r--r-- | spec/migrations/slice_merge_request_diff_commit_migrations_spec.rb | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/spec/migrations/slice_merge_request_diff_commit_migrations_spec.rb b/spec/migrations/slice_merge_request_diff_commit_migrations_spec.rb new file mode 100644 index 00000000000..1fd19ee42b4 --- /dev/null +++ b/spec/migrations/slice_merge_request_diff_commit_migrations_spec.rb @@ -0,0 +1,69 @@ +# frozen_string_literal: true + +require 'spec_helper' +require_migration! 'slice_merge_request_diff_commit_migrations' + +RSpec.describe SliceMergeRequestDiffCommitMigrations, :migration do + let(:migration) { described_class.new } + + describe '#up' do + context 'when there are no jobs to process' do + it 'does nothing' do + expect(migration).not_to receive(:migrate_in) + expect(Gitlab::Database::BackgroundMigrationJob).not_to receive(:create!) + + migration.up + end + end + + context 'when there are pending jobs' do + let!(:job1) do + Gitlab::Database::BackgroundMigrationJob.create!( + class_name: described_class::MIGRATION_CLASS, + arguments: [1, 10_001] + ) + end + + let!(:job2) do + Gitlab::Database::BackgroundMigrationJob.create!( + class_name: described_class::MIGRATION_CLASS, + arguments: [10_001, 20_001] + ) + end + + it 'marks the old jobs as finished' do + migration.up + + job1.reload + job2.reload + + expect(job1).to be_succeeded + expect(job2).to be_succeeded + end + + it 'the jobs are slices into smaller ranges' do + migration.up + + new_jobs = Gitlab::Database::BackgroundMigrationJob + .for_migration_class(described_class::MIGRATION_CLASS) + .pending + .to_a + + expect(new_jobs.map(&:arguments)).to eq([ + [1, 5_001], + [5_001, 10_001], + [10_001, 15_001], + [15_001, 20_001] + ]) + end + + it 'schedules a background migration for the first job' do + expect(migration) + .to receive(:migrate_in) + .with(1.hour, described_class::STEAL_MIGRATION_CLASS, [1, 5_001]) + + migration.up + end + end + end +end |