diff options
Diffstat (limited to 'spec/lib/gitlab/background_migration/deserialize_merge_request_diffs_and_commits_spec.rb')
-rw-r--r-- | spec/lib/gitlab/background_migration/deserialize_merge_request_diffs_and_commits_spec.rb | 122 |
1 files changed, 102 insertions, 20 deletions
diff --git a/spec/lib/gitlab/background_migration/deserialize_merge_request_diffs_and_commits_spec.rb b/spec/lib/gitlab/background_migration/deserialize_merge_request_diffs_and_commits_spec.rb index c0427639746..d2e7243ee05 100644 --- a/spec/lib/gitlab/background_migration/deserialize_merge_request_diffs_and_commits_spec.rb +++ b/spec/lib/gitlab/background_migration/deserialize_merge_request_diffs_and_commits_spec.rb @@ -1,9 +1,9 @@ require 'spec_helper' -describe Gitlab::BackgroundMigration::DeserializeMergeRequestDiffsAndCommits do +describe Gitlab::BackgroundMigration::DeserializeMergeRequestDiffsAndCommits, :truncate do describe '#perform' do - set(:merge_request) { create(:merge_request) } - set(:merge_request_diff) { merge_request.merge_request_diff } + let(:merge_request) { create(:merge_request) } + let(:merge_request_diff) { merge_request.merge_request_diff } let(:updated_merge_request_diff) { MergeRequestDiff.find(merge_request_diff.id) } def diffs_to_hashes(diffs) @@ -70,8 +70,8 @@ describe Gitlab::BackgroundMigration::DeserializeMergeRequestDiffsAndCommits do before do merge_request.reload_diff(true) - convert_to_yaml(start_id, merge_request_diff.commits, merge_request_diff.diffs) - convert_to_yaml(stop_id, updated_merge_request_diff.commits, updated_merge_request_diff.diffs) + convert_to_yaml(start_id, merge_request_diff.commits, diffs_to_hashes(merge_request_diff.merge_request_diff_files)) + convert_to_yaml(stop_id, updated_merge_request_diff.commits, diffs_to_hashes(updated_merge_request_diff.merge_request_diff_files)) MergeRequestDiffCommit.delete_all MergeRequestDiffFile.delete_all @@ -80,10 +80,32 @@ describe Gitlab::BackgroundMigration::DeserializeMergeRequestDiffsAndCommits do context 'when BUFFER_ROWS is exceeded' do before do stub_const("#{described_class}::BUFFER_ROWS", 1) + + allow(Gitlab::Database).to receive(:bulk_insert).and_call_original + end + + it 'inserts commit rows in chunks of BUFFER_ROWS' do + # There are 29 commits in each diff, so we should have slices of 20 + 9 + 20 + 9. + stub_const("#{described_class}::BUFFER_ROWS", 20) + + expect(Gitlab::Database).to receive(:bulk_insert) + .with('merge_request_diff_commits', anything) + .exactly(4) + .times + .and_call_original + + subject.perform(start_id, stop_id) end - it 'updates and continues' do - expect(described_class::MergeRequestDiff).to receive(:transaction).twice + it 'inserts diff rows in chunks of DIFF_FILE_BUFFER_ROWS' do + # There are 20 files in each diff, so we should have slices of 20 + 20. + stub_const("#{described_class}::DIFF_FILE_BUFFER_ROWS", 20) + + expect(Gitlab::Database).to receive(:bulk_insert) + .with('merge_request_diff_files', anything) + .exactly(2) + .times + .and_call_original subject.perform(start_id, stop_id) end @@ -91,27 +113,87 @@ describe Gitlab::BackgroundMigration::DeserializeMergeRequestDiffsAndCommits do context 'when BUFFER_ROWS is not exceeded' do it 'only updates once' do - expect(described_class::MergeRequestDiff).to receive(:transaction).once + expect(Gitlab::Database).to receive(:bulk_insert) + .with('merge_request_diff_commits', anything) + .once + .and_call_original + + expect(Gitlab::Database).to receive(:bulk_insert) + .with('merge_request_diff_files', anything) + .once + .and_call_original subject.perform(start_id, stop_id) end end - end - context 'when the merge request diff update fails' do - before do - allow(described_class::MergeRequestDiff) - .to receive(:update_all).and_raise(ActiveRecord::Rollback) - end + context 'when some rows were already inserted due to a previous failure' do + before do + subject.perform(start_id, stop_id) - it 'does not add any diff commits' do - expect { subject.perform(merge_request_diff.id, merge_request_diff.id) } - .not_to change { MergeRequestDiffCommit.count } + convert_to_yaml(start_id, merge_request_diff.commits, diffs_to_hashes(merge_request_diff.merge_request_diff_files)) + convert_to_yaml(stop_id, updated_merge_request_diff.commits, diffs_to_hashes(updated_merge_request_diff.merge_request_diff_files)) + end + + it 'does not raise' do + expect { subject.perform(start_id, stop_id) }.not_to raise_exception + end + + it 'logs a message' do + expect(Rails.logger).to receive(:info) + .with( + a_string_matching(described_class.name).and(matching([start_id, stop_id].inspect)) + ) + .twice + + subject.perform(start_id, stop_id) + end + + it 'ends up with the correct rows' do + expect(updated_merge_request_diff.commits.count).to eq(29) + expect(updated_merge_request_diff.raw_diffs.count).to eq(20) + end end - it 'does not add any diff files' do - expect { subject.perform(merge_request_diff.id, merge_request_diff.id) } - .not_to change { MergeRequestDiffFile.count } + context 'when the merge request diff update fails' do + let(:exception) { ActiveRecord::RecordNotFound } + + let(:perform_ignoring_exceptions) do + begin + subject.perform(start_id, stop_id) + rescue described_class::Error + end + end + + before do + allow_any_instance_of(described_class::MergeRequestDiff::ActiveRecord_Relation) + .to receive(:update_all).and_raise(exception) + end + + it 'raises an error' do + expect { subject.perform(start_id, stop_id) } + .to raise_exception(described_class::Error) + end + + it 'logs the error' do + expect(Rails.logger).to receive(:info).with( + a_string_matching(described_class.name) + .and(matching([start_id, stop_id].inspect)) + .and(matching(exception.name)) + ) + + perform_ignoring_exceptions + end + + it 'still adds diff commits' do + expect { perform_ignoring_exceptions } + .to change { MergeRequestDiffCommit.count } + end + + it 'still adds diff files' do + expect { perform_ignoring_exceptions } + .to change { MergeRequestDiffFile.count } + end end end |