debian-mirror-gitlab/spec/lib/gitlab/diff/custom_diff_spec.rb
2022-06-21 17:19:12 +05:30

115 lines
3.9 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Diff::CustomDiff do
include RepoHelpers
let(:project) { create(:project, :repository) }
let(:repository) { project.repository }
let(:ipynb_blob) { repository.blob_at('f6b7a707', 'files/ipython/markdown-table.ipynb') }
let(:blob) { repository.blob_at('HEAD', 'files/ruby/regex.rb') }
describe '#preprocess_before_diff' do
context 'for ipynb files' do
it 'transforms the diff' do
expect(described_class.preprocess_before_diff(ipynb_blob.path, nil, ipynb_blob)).not_to include('cells')
end
it 'adds the blob to the list of transformed blobs' do
described_class.preprocess_before_diff(ipynb_blob.path, nil, ipynb_blob)
expect(described_class.transformed_for_diff?(ipynb_blob)).to be_truthy
end
end
context 'for other files' do
it 'returns nil' do
expect(described_class.preprocess_before_diff(blob.path, nil, blob)).to be_nil
end
it 'does not add the blob to the list of transformed blobs' do
described_class.preprocess_before_diff(blob.path, nil, blob)
expect(described_class.transformed_for_diff?(blob)).to be_falsey
end
end
context 'timeout' do
subject { described_class.preprocess_before_diff(ipynb_blob.path, nil, ipynb_blob) }
it 'falls back to nil on timeout' do
allow(Gitlab::ErrorTracking).to receive(:track_and_raise_for_dev_exception)
expect(Timeout).to receive(:timeout).and_raise(Timeout::Error)
expect(subject).to be_nil
end
context 'when in foreground' do
it 'utilizes timeout for web' do
expect(Timeout).to receive(:timeout).with(described_class::RENDERED_TIMEOUT_FOREGROUND).and_call_original
expect(subject).not_to include('cells')
end
it 'increments metrics' do
counter = Gitlab::Metrics.counter(:ipynb_semantic_diff_timeouts_total, 'desc')
expect(Timeout).to receive(:timeout).and_raise(Timeout::Error)
expect { subject }.to change { counter.get(source: described_class::FOREGROUND_EXECUTION) }.by(1)
end
end
context 'when in background' do
before do
allow(Gitlab::Runtime).to receive(:sidekiq?).and_return(true)
end
it 'utilizes longer timeout for sidekiq' do
expect(Timeout).to receive(:timeout).with(described_class::RENDERED_TIMEOUT_BACKGROUND).and_call_original
expect(subject).not_to include('cells')
end
it 'increments metrics' do
counter = Gitlab::Metrics.counter(:ipynb_semantic_diff_timeouts_total, 'desc')
expect(Timeout).to receive(:timeout).and_raise(Timeout::Error)
expect { subject }.to change { counter.get(source: described_class::BACKGROUND_EXECUTION) }.by(1)
end
end
end
context 'when invalid ipynb' do
it 'returns nil' do
expect(ipynb_blob).to receive(:data).and_return('invalid ipynb')
expect(described_class.preprocess_before_diff(ipynb_blob.path, nil, ipynb_blob)).to be_nil
end
end
end
describe '#transformed_blob_data' do
it 'transforms blob data if file was processed' do
described_class.preprocess_before_diff(ipynb_blob.path, nil, ipynb_blob)
expect(described_class.transformed_blob_data(ipynb_blob)).not_to include('cells')
end
it 'does not transform blob data if file was not processed' do
expect(described_class.transformed_blob_data(ipynb_blob)).to be_nil
end
end
describe '#transformed_blob_language' do
it 'is md when file was preprocessed' do
described_class.preprocess_before_diff(ipynb_blob.path, nil, ipynb_blob)
expect(described_class.transformed_blob_language(ipynb_blob)).to eq('md')
end
it 'is nil for a .ipynb blob that was not preprocessed' do
expect(described_class.transformed_blob_language(ipynb_blob)).to be_nil
end
end
end