Module: WebTest::BeFast

Defined in:
lib/web_test/be_fast.rb

Defined Under Namespace

Classes: TestResult

Class Method Summary collapse

Class Method Details

.page_speed(url:) ⇒ Object 



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# File 'lib/web_test/be_fast.rb', line 34

def self.page_speed(url:)
  url_param = CGI.escape(WebTest::Util.make_url(url))
  key       = ENV['WEBSERVICE_MATCHER_INSIGHTS_KEY']
  if key.nil?
    raise 'be_fast requires the WEBSERVICE_MATCHER_INSIGHTS_KEY '\
          'environment variable to be set to a Google PageSpeed '\
          'Insights API key.'
  end
  endpoint  = 'https://www.googleapis.com/pagespeedonline/v2/runPagespeed'
  api_url   = "#{endpoint}?url=#{url_param}&screenshot=false&key=#{key}"
  parse json: Faraday.get(api_url).body
end

.parse(json:) ⇒ Object 



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# File 'lib/web_test/be_fast.rb', line 47

def self.parse(json:)
  raw_response = JSON.parse(json)
  unless raw_response.key?('ruleGroups')
    raise "Couldn't parse the PageSpeed raw_response: #{raw_response.inspect}"
  end
  score = raw_response.fetch('ruleGroups').fetch('SPEED').fetch('score')
  {
    score: score,
    raw_response: raw_response
  }
end

.test(url:) ⇒ Object 



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# File 'lib/web_test/be_fast.rb', line 24

def self.test(url:)
  response = page_speed(url: url)

  TestResult.new do |r|
    r.score    = response.fetch(:score)
    r.success  = r.score >= 85
    r.response = response[:raw_response]
  end
end