Ruby wrapper for YSlow via PhantomJS.
gem install yslow
# via bundler
bundle init
echo "gem 'yslow'" >> Gemfile
bundle install
:::ruby
#!/usr/bin/ruby
require "yslow"
YSlow.path
# => /path/to/yslow.js
#
# Accepts custom path
# YSlow.path "/path/to/yslow.js"
YSlow.phantomjs
# => /path/to/phantomjs
#
# Accepts custom path
# YSlow.phantomjs "/path/to/phantomjs"
result = YSlow.run "http://www.example.com"
# , [ .. other yslow args .. ]
result
# => YSlow::Result
result.result
# yslow result hash
# YSlow::Result#result :: raw result hash
# YSlow::Result#status :: exit status
# YSlow::Result#stdout :: raw stdout string
# YSlow::Result#stderr :: raw stderr string
# YSlow::Result#to_i :: exit status
# YSlow::Result#to_s :: stdout if pass, else stderr
# YSlow::Result#to_json :: stdout as json if passed, else result as json
# YSlow::Result#to_h :: parsed stdout hash if passed, else result as hash
See examples/basic.rb for a runnable example.
:::ruby
require "minitest/autorun"
require "yslow"
class TestExampleDotCom < Minitest::Unit::TestCase
def setup
@result ||= YSlow.run "http://www.example.com"
end
def test_yslow_grade
assert (95..100).include?(@result.to_h["o"]),
"expected grade to be between 95 and 100"
# grade was 98 when this was created
end
def test_requests
assert (0..4).include?(@result.to_h["r"]),
"expected requests to be between 0 and 4"
# requests was 2 when this was created
end
def test_load_time
assert (0..200).include?(@result.to_h["lt"]),
"expected load time to be between 0 and 200"
# load time was 67 when this was created
end
def test_size
assert (2000..3000).include?(@result.to_h["w"]),
"expected page size to be between 2000 and 3000"
# load time was 2540 when this was created
end
end
See examples/minitest.rb for a runnable example.
git clone https://github.com/jmervine/ruby-yslow.git
cd ruby-yslow
bundle install --path vendor/bundle
bundle exec rake test