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Contents
module Perus::Pinger
class Chrome < ChromeCommand
description 'Connects to Chrome with the remote debugger and counts the
number of warnings and errors currently in the console of
the top Chrome window. The URL of the page is also sent
and can be compared to an expected string in an alert.'
metric!
def run
# we use a debugging protocol connection to read the console messages
# in the top level window to count the number of warnings and errors
warning_count = 0
error_count = 0
execute(['{"id":1,"method":"Console.enable"}']) do |json|
if json['method'] == 'Console.messageAdded'
level = json['params']['message']['level']
if level == 'error'
error_count += 1
elsif level == 'warning'
warning_count += 1
end
end
end
return {} if @page.nil?
{
chrome_warnings: warning_count,
chrome_errors: error_count,
chrome_url: @page['url']
}
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems