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# frozen_string_literal: true
if ENV.key?('BENCHMARK')
require 'spec_helper'
require 'erb'
require 'benchmark/ips'
# This benchmarks some of the Banzai pipelines and filters.
# They are not definitive, but can be used by a developer to
# get a rough idea how the changing or addition of a new filter
# will effect performance.
#
# Run by:
# BENCHMARK=1 rspec spec/benchmarks/banzai_benchmark.rb
# or
# rake benchmark:banzai
#
RSpec.describe 'GitLab Markdown Benchmark', :aggregate_failures do
include MarkupHelper
let_it_be(:feature) { MarkdownFeature.new }
let_it_be(:project) { feature.project }
let_it_be(:group) { feature.group }
let_it_be(:wiki) { feature.wiki }
let_it_be(:wiki_page) { feature.wiki_page }
let_it_be(:markdown_text) { feature.raw_markdown }
let!(:render_context) { Banzai::RenderContext.new(project, current_user) }
before do
stub_application_setting(asset_proxy_enabled: true)
stub_application_setting(asset_proxy_secret_key: 'shared-secret')
stub_application_setting(asset_proxy_url: 'https://assets.example.com')
stub_application_setting(asset_proxy_whitelist: %w(gitlab.com *.mydomain.com))
Banzai::Filter::AssetProxyFilter.initialize_settings
end
context 'pipelines' do
it 'benchmarks several pipelines' do
path = 'images/example.jpg'
gitaly_wiki_file = Gitlab::GitalyClient::WikiFile.new(path: path)
allow(wiki).to receive(:find_file).with(path).and_return(Gitlab::Git::WikiFile.new(gitaly_wiki_file))
allow(wiki).to receive(:wiki_base_path) { '/namespace1/gitlabhq/wikis' }
puts "\n--> Benchmarking Full, Wiki, and Plain pipelines\n"
Benchmark.ips do |x|
x.config(time: 10, warmup: 2)
x.report('Full pipeline') { markdown(markdown_text, { pipeline: :full }) }
x.report('Wiki pipeline') { markdown(markdown_text, { pipeline: :wiki, wiki: wiki, page_slug: wiki_page.slug }) }
x.report('Plain pipeline') { markdown(markdown_text, { pipeline: :plain_markdown }) }
x.compare!
end
end
end
context 'filters' do
let(:context) do
tmp = { project: project, current_user: current_user, render_context: render_context }
Banzai::Filter::AssetProxyFilter.transform_context(tmp)
end
it 'benchmarks all filters in the FullPipeline' do
benchmark_pipeline_filters(:full)
end
it 'benchmarks all filters in the PlainMarkdownPipeline' do
benchmark_pipeline_filters(:plain_markdown)
end
end
# build up the source text for each filter
def build_filter_text(pipeline, initial_text)
filter_source = {}
input_text = initial_text
pipeline.filters.each do |filter_klass|
filter_source[filter_klass] = input_text
output = filter_klass.call(input_text, context)
input_text = output
end
filter_source
end
def benchmark_pipeline_filters(pipeline_type)
pipeline = Banzai::Pipeline[pipeline_type]
filter_source = build_filter_text(pipeline, markdown_text)
puts "\n--> Benchmarking #{pipeline.name.demodulize} filters\n"
Benchmark.ips do |x|
x.config(time: 10, warmup: 2)
pipeline.filters.each do |filter_klass|
label = filter_klass.name.demodulize.delete_suffix('Filter').truncate(20)
x.report(label) { filter_klass.call(filter_source[filter_klass], context) }
end
x.compare!
end
end
# Fake a `current_user` helper
def current_user
feature.user
end
end
end
|
