debian-mirror-gitlab/spec/services/design_management/save_designs_service_spec.rb
2020-10-24 23:57:45 +05:30

338 lines
11 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe DesignManagement::SaveDesignsService do
include DesignManagementTestHelpers
include ConcurrentHelpers
let_it_be_with_reload(:issue) { create(:issue) }
let_it_be(:developer) { create(:user, developer_projects: [issue.project]) }
let(:project) { issue.project }
let(:user) { developer }
let(:files) { [rails_sample] }
let(:design_repository) { ::Gitlab::GlRepository::DESIGN.repository_resolver.call(project) }
let(:rails_sample_name) { 'rails_sample.jpg' }
let(:rails_sample) { sample_image(rails_sample_name) }
let(:dk_png) { sample_image('dk.png') }
def sample_image(filename)
fixture_file_upload("spec/fixtures/#{filename}")
end
def commit_count
design_repository.expire_statistics_caches
design_repository.expire_root_ref_cache
design_repository.commit_count
end
before do
if issue.design_collection.repository.exists?
issue.design_collection.repository.expire_all_method_caches
issue.design_collection.repository.raw.delete_all_refs_except([Gitlab::Git::BLANK_SHA])
end
allow(::DesignManagement::NewVersionWorker)
.to receive(:perform_async).with(Integer).and_return(nil)
end
def run_service(files_to_upload = nil)
design_files = files_to_upload || files
design_files.each(&:rewind)
service = described_class.new(project, user,
issue: issue,
files: design_files)
service.execute
end
# Randomly alter the content of files.
# This allows the files to be updated by the service, as unmodified
# files are rejected.
def touch_files(files_to_touch = nil)
design_files = files_to_touch || files
design_files.each do |f|
f.tempfile.write(SecureRandom.random_bytes)
end
end
let(:response) { run_service }
shared_examples 'a service error' do
it 'returns an error', :aggregate_failures do
expect(response).to match(a_hash_including(status: :error))
end
end
shared_examples 'an execution error' do
it 'returns an error', :aggregate_failures do
expect { service.execute }.to raise_error(some_error)
end
end
describe '#execute' do
context 'when the feature is not available' do
before do
enable_design_management(false)
end
it_behaves_like 'a service error'
it 'does not create an event in the activity stream' do
expect { run_service }.not_to change { Event.count }
end
end
context 'when the feature is available' do
before do
enable_design_management(true)
end
describe 'repository existence' do
def repository_exists
# Expire the memoized value as the service creates it's own instance
design_repository.expire_exists_cache
design_repository.exists?
end
it 'is ensured when the service runs' do
run_service
expect(repository_exists).to be true
end
end
it 'creates a commit, an event in the activity stream and updates the creation count' do
counter = Gitlab::UsageDataCounters::DesignsCounter
expect { run_service }
.to change { Event.count }.by(1)
.and change { Event.for_design.created_action.count }.by(1)
.and change { counter.read(:create) }.by(1)
expect(design_repository.commit).to have_attributes(
author: user,
message: include(rails_sample_name)
)
end
it 'can run the same command in parallel' do
parellism = 4
blocks = Array.new(parellism).map do
unique_files = [RenameableUpload.unique_file('rails_sample.jpg')]
-> { run_service(unique_files) }
end
expect { run_parallel(blocks) }.to change(DesignManagement::Version, :count).by(parellism)
end
describe 'the response' do
it 'includes designs with the expected properties' do
updated_designs = response[:designs]
expect(updated_designs).to all(have_attributes(diff_refs: be_present))
expect(updated_designs.size).to eq(1)
expect(updated_designs.first.versions.size).to eq(1)
expect(updated_designs.first.versions.first.author).to eq(user)
end
end
describe 'saving the file to LFS' do
before do
expect_next_instance_of(Lfs::FileTransformer) do |transformer|
expect(transformer).to receive(:lfs_file?).and_return(true)
end
end
it 'saves the design to LFS and saves the repository_type of the LfsObjectsProject as design' do
expect { run_service }
.to change { LfsObject.count }.by(1)
.and change { project.lfs_objects_projects.count }.from(0).to(1)
expect(project.lfs_objects_projects.first.repository_type).to eq('design')
end
end
context 'when a design is being updated' do
before do
run_service
touch_files
end
it 'creates a new version for the existing design and updates the file' do
expect(issue.designs.size).to eq(1)
expect(DesignManagement::Version.for_designs(issue.designs).size).to eq(1)
updated_designs = response[:designs]
expect(updated_designs.size).to eq(1)
expect(updated_designs.first.versions.size).to eq(2)
end
it 'records the correct events' do
counter = Gitlab::UsageDataCounters::DesignsCounter
expect { run_service }
.to change { counter.read(:update) }.by(1)
.and change { Event.count }.by(1)
.and change { Event.for_design.updated_action.count }.by(1)
end
context 'when uploading a new design' do
it 'does not link the new version to the existing design' do
existing_design = issue.designs.first
updated_designs = run_service([dk_png])[:designs]
expect(existing_design.versions.reload.size).to eq(1)
expect(updated_designs.size).to eq(1)
expect(updated_designs.first.versions.size).to eq(1)
end
end
end
context 'when a design has not changed since its previous version' do
before do
run_service
end
it 'does not create a new version, and returns the design in `skipped_designs`' do
response = nil
expect { response = run_service }.not_to change { issue.design_versions.count }
expect(response[:designs]).to be_empty
expect(response[:skipped_designs].size).to eq(1)
end
end
context 'when doing a mixture of updates and creations' do
let(:files) { [rails_sample, dk_png] }
before do
# Create just the first one, which we will later update.
run_service([files.first])
touch_files([files.first])
end
it 'has the correct side-effects' do
counter = Gitlab::UsageDataCounters::DesignsCounter
expect(::DesignManagement::NewVersionWorker)
.to receive(:perform_async).once.with(Integer).and_return(nil)
expect { run_service }
.to change { Event.count }.by(2)
.and change { Event.for_design.count }.by(2)
.and change { Event.created_action.count }.by(1)
.and change { Event.updated_action.count }.by(1)
.and change { counter.read(:create) }.by(1)
.and change { counter.read(:update) }.by(1)
.and change { commit_count }.by(1)
end
end
context 'when uploading multiple files' do
let(:files) { [rails_sample, dk_png] }
it 'returns information about both designs in the response' do
expect(response).to include(designs: have_attributes(size: 2), status: :success)
end
it 'has the correct side-effects', :request_store do
counter = Gitlab::UsageDataCounters::DesignsCounter
service = described_class.new(project, user, issue: issue, files: files)
# Some unrelated calls that are usually cached or happen only once
# We expect:
# - An exists?
# - a check for existing blobs
# - default branch
# - an after_commit callback on LfsObjectsProject
design_repository.create_if_not_exists
design_repository.has_visible_content?
expect(::DesignManagement::NewVersionWorker)
.to receive(:perform_async).once.with(Integer).and_return(nil)
expect { service.execute }
.to change { issue.designs.count }.from(0).to(2)
.and change { DesignManagement::Version.count }.by(1)
.and change { counter.read(:create) }.by(2)
.and change { Gitlab::GitalyClient.get_request_count }.by(3)
.and change { commit_count }.by(1)
end
context 'when uploading too many files' do
let(:files) { Array.new(DesignManagement::SaveDesignsService::MAX_FILES + 1) { dk_png } }
it 'returns the correct error' do
expect(response[:message]).to match(/only \d+ files are allowed simultaneously/i)
end
end
end
context 'when the user is not allowed to upload designs' do
let(:user) { build_stubbed(:user) }
it_behaves_like 'a service error'
end
describe 'failure modes' do
let(:service) { described_class.new(project, user, issue: issue, files: files) }
let(:response) { service.execute }
before do
expect(service).to receive(:run_actions).and_raise(some_error)
end
context 'when creating the commit fails' do
let(:some_error) { Gitlab::Git::BaseError }
it_behaves_like 'an execution error'
end
context 'when creating the versions fails' do
let(:some_error) { ActiveRecord::RecordInvalid }
it_behaves_like 'a service error'
end
end
context "when a design already existed in the repo but we didn't know about it in the database" do
let(:filename) { rails_sample_name }
before do
path = File.join(build(:design, issue: issue, filename: filename).full_path)
design_repository.create_if_not_exists
design_repository.create_file(user, path, 'something fake',
branch_name: 'master',
message: 'Somehow created without being tracked in db')
end
it 'creates the design and a new version for it' do
first_updated_design = response[:designs].first
expect(first_updated_design.filename).to eq(filename)
expect(first_updated_design.versions.size).to eq(1)
end
end
describe 'scalability', skip: 'See: https://gitlab.com/gitlab-org/gitlab/-/issues/213169' do
before do
run_service([sample_image('banana_sample.gif')]) # ensure project, issue, etc are created
end
it 'runs the same queries for all requests, regardless of number of files' do
one = [dk_png]
two = [rails_sample, dk_png]
baseline = ActiveRecord::QueryRecorder.new { run_service(one) }
expect { run_service(two) }.not_to exceed_query_limit(baseline)
end
end
end
end
end