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Benchmark: Compare LazyLoad vs Simple backend
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require 'test_helper' | ||
require 'benchmark' | ||
require 'securerandom' | ||
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class BenchmarkLazyLoadTest < I18n::TestCase | ||
test "lazy load performance" do | ||
benchmark(backend: I18n::Backend::LazyLoad.new) | ||
end | ||
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test "simple performance" do | ||
benchmark(backend: I18n::Backend::Simple.new) | ||
end | ||
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def benchmark(backend:) | ||
@backend = I18n.backend = backend | ||
@backend.reload! | ||
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en_files = create_temp_translation_files(locale: "en", num_files: 100, num_keys: 1000) | ||
fr_files = create_temp_translation_files(locale: "fr", num_files: 100, num_keys: 1000) | ||
de_files = create_temp_translation_files(locale: "de", num_files: 100, num_keys: 1000) | ||
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Benchmark.bm do |x| | ||
puts "\n" | ||
x.report(@backend.class) do | ||
I18n.with_locale(:en) { I18n.t("1.1") } | ||
end | ||
end | ||
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remove_tempfiles(en_files) | ||
remove_tempfiles(fr_files) | ||
remove_tempfiles(de_files) | ||
end | ||
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def create_temp_translation_files(locale:, num_files:, num_keys:) | ||
paths = [] | ||
num_files.times do |file_num| | ||
path = File.join(Dir.tmpdir, "#{locale}-#{SecureRandom.uuid}.yml") | ||
File.write(path, generate_random_file_content(locale, num_keys, file_num)) | ||
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paths << path | ||
I18n.load_path << path | ||
end | ||
paths | ||
end | ||
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def generate_random_file_content(locale, num_keys, file_num) | ||
content = {} | ||
num_keys.times do |key_num| | ||
content["#{file_num}-#{key_num}"] = SecureRandom.alphanumeric | ||
end | ||
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{ locale => content }.to_yaml | ||
end | ||
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def remove_tempfiles(paths) | ||
paths.each do |path| | ||
I18n.load_path.delete(path) | ||
File.delete(path) if File.exist?(path) | ||
end | ||
end | ||
end |