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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe DesignManagement::DeleteDesignsService do
include DesignManagementTestHelpers
let_it_be(:project) { create(:project) }
let_it_be(:issue) { create(:issue, project: project) }
let_it_be(:user) { create(:user) }
let(:designs) { create_designs }
subject(:service) { described_class.new(project, user, issue: issue, designs: designs) }
# Defined as a method so that the reponse is not cached. We also construct
# a new service executor each time to avoid the intermediate cached values
# it constructs during its execution.
def run_service(delenda = nil)
service = described_class.new(project, user, issue: issue, designs: delenda || designs)
service.execute
end
let(:response) { run_service }
shared_examples 'a service error' do
it 'returns an error', :aggregate_failures do
expect(response).to include(status: :error)
end
end
shared_examples 'a top-level error' do
let(:expected_error) { StandardError }
it 'raises an en expected error', :aggregate_failures do
expect { run_service }.to raise_error(expected_error)
end
end
shared_examples 'a success' do
it 'returns successfully', :aggregate_failures do
expect(response).to include(status: :success)
end
it 'saves the user as the author' do
version = response[:version]
expect(version.author).to eq(user)
end
end
before do
enable_design_management(enabled)
project.add_developer(user)
end
describe "#execute" do
context "when the feature is not available" do
let(:enabled) { false }
it_behaves_like "a service error"
it 'does not create any events in the activity stream' do
expect { run_service rescue nil }.not_to change { Event.count }
end
end
context "when the feature is available" do
let(:enabled) { true }
it 'is able to delete designs' do
expect(service.send(:can_delete_designs?)).to be true
end
context 'no designs were passed' do
let(:designs) { [] }
it_behaves_like "a top-level error"
it 'does not log any events' do
counter = ::Gitlab::UsageDataCounters::DesignsCounter
expect { run_service rescue nil }
.not_to change { [counter.totals, Event.count] }
end
end
context 'one design is passed' do
before do
create_designs(2)
end
let!(:designs) { create_designs(1) }
it 'removes that design' do
expect { run_service }.to change { issue.designs.current.count }.from(3).to(2)
end
it 'logs a deletion event' do
counter = ::Gitlab::UsageDataCounters::DesignsCounter
expect { run_service }.to change { counter.read(:delete) }.by(1)
end
it 'creates an event in the activity stream' do
expect { run_service }
.to change { Event.count }.by(1)
.and change { Event.destroyed_action.for_design.count }.by(1)
end
it 'informs the new-version-worker' do
expect(::DesignManagement::NewVersionWorker).to receive(:perform_async).with(Integer)
run_service
end
it 'creates a new version' do
expect { run_service }.to change { DesignManagement::Version.where(issue: issue).count }.by(1)
end
it 'returns the new version' do
version = response[:version]
expect(version).to eq(DesignManagement::Version.for_issue(issue).ordered.first)
end
it_behaves_like "a success"
it 'removes the design from the current design list' do
run_service
expect(issue.designs.current).not_to include(designs.first)
end
it 'marks the design as deleted' do
expect { run_service }
.to change { designs.first.deleted? }.from(false).to(true)
end
end
context 'more than one design is passed' do
before do
create_designs(1)
end
let!(:designs) { create_designs(2) }
it 'makes the correct changes' do
counter = ::Gitlab::UsageDataCounters::DesignsCounter
expect { run_service }
.to change { issue.designs.current.count }.from(3).to(1)
.and change { counter.read(:delete) }.by(2)
.and change { Event.count }.by(2)
.and change { Event.destroyed_action.for_design.count }.by(2)
end
it_behaves_like "a success"
context 'after executing the service' do
let(:deleted_designs) { designs.map(&:reset) }
let!(:version) { run_service[:version] }
it 'removes the removed designs from the current design list' do
expect(issue.designs.current).not_to include(*deleted_designs)
end
it 'does not make the designs impossible to find' do
expect(issue.designs).to include(*deleted_designs)
end
it 'associates the new version with all the designs' do
current_versions = deleted_designs.map { |d| d.most_recent_action.version }
expect(current_versions).to all(eq version)
end
it 'marks all deleted designs as deleted' do
expect(deleted_designs).to all(be_deleted)
end
it 'marks all deleted designs with the same deletion version' do
expect(deleted_designs.map { |d| d.most_recent_action.version_id }.uniq)
.to have_attributes(size: 1)
end
end
end
describe 'scalability' do
before do
run_service(create_designs(1)) # ensure project, issue, etc are created
end
it 'makes the same number of DB requests for one design as for several' do
one = create_designs(1)
many = create_designs(5)
baseline = ActiveRecord::QueryRecorder.new { run_service(one) }
expect { run_service(many) }.not_to exceed_query_limit(baseline)
end
end
end
end
private
def create_designs(how_many = 2)
create_list(:design, how_many, :with_lfs_file, issue: issue)
end
end
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