Class: Applitools::Connectivity::ServerConnector

Inherits:
Object
  • Object
show all
Extended by:
Helpers
Defined in:
lib/applitools/connectivity/server_connector.rb

Defined Under Namespace

Classes: ScreenshotUploadError

Constant Summary collapse

DEFAULT_SERVER_URL = 
'https://eyesapi.applitools.com'.freeze
SSL_CERT = 
File.join(File.dirname(File.expand_path(__FILE__)), '../../../certs/cacert.pem').to_s.freeze
DEFAULT_TIMEOUT = 
300
API_SESSIONS = 
'/api/sessions'.freeze
API_SESSIONS_RUNNING = 
API_SESSIONS + '/running/'.freeze
API_SINGLE_TEST = 
API_SESSIONS + '/'.freeze
RENDER_INFO_PATH = 
API_SESSIONS + '/renderinfo'.freeze
RENDER = 
'/render'.freeze
RESOURCES_SHA_256 = 
'/resources/sha256/'.freeze
RENDER_STATUS = 
'/render-status'.freeze
CLOSE_BATCH = 
'/api/sessions/batches/%s/close/bypointerid'.freeze
HTTP_STATUS_CODES = 
{
  created: 201,
  accepted: 202,
  ok: 200,
  gone: 410
}.freeze
RETRY_DELAY = 
0.5
RETRY_STEP_FACTOR = 
1.5
RETRY_MAX_DELAY = 
5

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Helpers

abstract_attr_accessor, abstract_method, env_variable, environment_attribute, environment_variables

Constructor Details

#initialize(url = nil) ⇒ ServerConnector

Returns a new instance of ServerConnector.



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# File 'lib/applitools/connectivity/server_connector.rb', line 42

def initialize(url = nil)
  self.server_url = url
end

Instance Attribute Details

#endpoint_url ⇒ Object (readonly)

Returns the value of attribute endpoint_url.



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# File 'lib/applitools/connectivity/server_connector.rb', line 38

def endpoint_url
  @endpoint_url
end

#proxy ⇒ Object

Returns the value of attribute proxy.



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# File 'lib/applitools/connectivity/server_connector.rb', line 39

def proxy
  @proxy
end

#server_url ⇒ Object

Returns the value of attribute server_url.



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# File 'lib/applitools/connectivity/server_connector.rb', line 37

def server_url
  @server_url
end

Instance Method Details

#close_batch(batch_id) ⇒ Object 



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# File 'lib/applitools/connectivity/server_connector.rb', line 169

def close_batch(batch_id)
  if 'true'.casecmp(ENV['APPLITOOLS_DONT_CLOSE_BATCHES'] || '') == 0
    return Applitools::EyesLogger.info(
      'APPLITOOLS_DONT_CLOSE_BATCHES environment variable set to true. Doing nothing.'
    ) && false
  end
  Applitools::ArgumentGuard.not_nil(batch_id, 'batch_id')
  Applitools::EyesLogger.info("Called with #{batch_id}")
  url = CLOSE_BATCH % batch_id
  response = delete(URI.join(endpoint_url, url))
  Applitools::EyesLogger.info "delete batch is done with #{response.status} status"
end

#download_resource(url, ua_string = nil) ⇒ Object 



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# File 'lib/applitools/connectivity/server_connector.rb', line 146

def download_resource(url, ua_string = nil)
  Applitools::EyesLogger.debug "Fetching #{url}..."
  resp_proc = proc do |u|
    Faraday::Connection.new(
      u,
      ssl: { ca_file: SSL_CERT },
      proxy: @proxy.nil? ? nil : @proxy.to_hash
    ).send(:get) do |req|
      req.options.timeout = DEFAULT_TIMEOUT
      req.headers['Accept-Encoding'] = 'identity'
      req.headers['User-Agent'] = ua_string if ua_string
    end
  end
  response = resp_proc.call(url)
  redirect_count = 10
  while response.status == 301 && redirect_count > 0
    redirect_count -= 1
    response = resp_proc.call(response.headers['location'])
  end
  Applitools::EyesLogger.debug 'Done!'
  response
end

#match_single_window(data) ⇒ Object 



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# File 'lib/applitools/connectivity/server_connector.rb', line 255

def match_single_window(data)
  res = match_single_window_data(data)
  Applitools::TestResults.new Oj.load(res.body)
end

#match_single_window_data(data) ⇒ Object

Raises:

  • (Applitools::EyesError) 


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# File 'lib/applitools/connectivity/server_connector.rb', line 227

def match_single_window_data(data)
  # Notice that this does not include the screenshot.
  json_data = Oj.dump(data.to_hash).force_encoding('BINARY')
  body = [json_data.length].pack('L>') + json_data + data.screenshot
  # Applitools::EyesLogger.debug json_data
  begin
    Applitools::EyesLogger.debug 'Sending match data...'
    res = long_post(
      @single_check_endpoint_url,
      content_type: 'application/octet-stream',
      body: body,
      query: { agent_id: data.agent_id }
    )
  rescue Errno::EWOULDBLOCK, Faraday::ConnectionFailed
    @delays ||= request_delay(RETRY_DELAY, RETRY_STEP_FACTOR, RETRY_MAX_DELAY)
    begin
      sleep @delays.next
    rescue StopIteration
      raise Applitools::UnknownNetworkStackError.new('Unknown network stack error')
    end
    res = match_single_window_data(data)
  ensure
    @delays = nil
  end
  raise Applitools::EyesError.new("Request failed: #{res.status} #{res.headers} #{res.body}") unless res.success?
  res
end

#match_window(session, data) ⇒ Object

Raises:

  • (Applitools::EyesError) 


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# File 'lib/applitools/connectivity/server_connector.rb', line 204

def match_window(session, data)
  # Notice that this does not include the screenshot.
  json_data = Oj.dump(Applitools::Utils.camelcase_hash_keys(data.to_hash)).force_encoding('BINARY')
  body = if data.screenshot.empty?
           content_type = 'application/json'
           json_data
         else
           content_type = 'application/octet-stream'
           [json_data.length].pack('L>') + json_data + data.screenshot
         end

  Applitools::EyesLogger.debug 'Sending match data...'
  Applitools::EyesLogger.debug json_data
  res = long_post(URI.join(endpoint_url, session.id.to_s), content_type: content_type, body: body)
  raise Applitools::EyesError.new("Request failed: #{res.status} #{res.headers}") unless res.success?
  # puts Oj.load(res.body)
  Applitools::MatchResult.new Oj.load(res.body)
end

#post_dom_json(dom_data) ⇒ Object

Raises:

  • (Applitools::EyesError) 


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# File 'lib/applitools/connectivity/server_connector.rb', line 281

def post_dom_json(dom_data)
  Applitools::EyesLogger.debug 'About to send captured DOM...'
  # request_body = Oj.dump(dom_data)
  request_body = dom_data
  Applitools::EyesLogger.debug request_body
  processed_request_body = yield(request_body) if block_given?
  res = post(
    endpoint_url + 'data',
    body: processed_request_body.nil? ? request_body : processed_request_body,
    content_type: 'application/octet-stream'
  )

  Applitools::EyesLogger.debug 'Done!'
  raise Applitools::EyesError.new("Request failed: #{res.status} #{res.body}") unless res.success?
  Applitools::EyesLogger.debug  'Server response headers:'
  Applitools::EyesLogger.debug  res.headers.inspect
  res.headers['location']
end

#put_screenshot(rendering_info, screenshot) ⇒ Object 



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# File 'lib/applitools/connectivity/server_connector.rb', line 71

def put_screenshot(rendering_info, screenshot)
  uuid = SecureRandom.uuid
  upload_path = URI.parse(rendering_info.results_url.gsub(/__random__/, uuid))
  retry_count = 3
  wait = 0.5
  loop do
    raise ScreenshotUploadError, "Error uploading screenshot (#{upload_path})" if retry_count <= 0
    Applitools::EyesLogger.info("Trying to upload screenshot (#{upload_path})...")
    begin
      response = dummy_put(
        upload_path,
        body: screenshot.image.to_blob,
        headers: {
          'x-ms-blob-type': 'BlockBlob',
          'X-Auth-Token': rendering_info.access_token
        },
        query: URI.decode_www_form(upload_path.query).to_h,
        content_type: 'image/png'
      )
      break if response.status == HTTP_STATUS_CODES[:created]
      Applitools::EyesLogger.info("Failed. Retrying in #{wait} seconds")
      sleep(wait)
    rescue StandardError => e
      Applitools::EyesLogger.error(e.class.to_s)
      Applitools::EyesLogger.error(e.message)
      Applitools::EyesLogger.info("Failed. Retrying in #{wait} seconds")
      sleep(wait)
    ensure
      retry_count -= 1
      wait *= 2
    end
  end
  Applitools::EyesLogger.info('Done.')
  upload_path.to_s
end

#render(service_url, access_key, requests) ⇒ Object 



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# File 'lib/applitools/connectivity/server_connector.rb', line 54

def render(service_url, access_key, requests)
  uri = URI(service_url)
  uri.path = RENDER
  response = dummy_post(
    uri,
    body: requests.json,
    headers: {
      'X-Auth-Token' => access_key
    },
    timeout: 10
  )
  unless response.status == HTTP_STATUS_CODES[:ok]
    raise Applitools::EyesError, "Error render processing (#{response.status}, #{response.body})"
  end
  Oj.load response.body
end

#render_put_resource(service_url, access_key, resource, render) ⇒ Object 



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# File 'lib/applitools/connectivity/server_connector.rb', line 107

def render_put_resource(service_url, access_key, resource, render)
  uri = URI(service_url)
  uri.path = RESOURCES_SHA_256 + resource.hash
  Applitools::EyesLogger.debug("PUT resource: (#{resource.url}) - #{uri}")
  # Applitools::EyesLogger.debug("Resource content: #{resource.content}")
  response = dummy_put(
    uri,
    body: resource.content,
    content_type: resource.content_type,
    headers: {
      'X-Auth-Token' => access_key
    },
    query: { 'render-id' => render['renderId'] }
  )
  unless response.status == HTTP_STATUS_CODES[:ok]
    raise Applitools::EyesError, "Error putting resource: #{response.status}, #{response.body}"
  end
  resource.hash
end

#render_status_by_id(service_url, access_key, running_renders_json) ⇒ Object 



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# File 'lib/applitools/connectivity/server_connector.rb', line 127

def render_status_by_id(service_url, access_key, running_renders_json)
  uri = URI(service_url)
  uri.path = RENDER_STATUS
  response = dummy_post(
    uri,
    body: running_renders_json,
    content_type: 'application/json',
    headers: {
      'X-Auth-Token' => access_key
    },
    timeout: 2
  )
  unless response.status == HTTP_STATUS_CODES[:ok]
    raise Applitools::EyesError, "Error getting server status, #{response.status} #{response.body}"
  end

  Oj.load(response.body)
end

#rendering_info ⇒ Object 



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# File 'lib/applitools/connectivity/server_connector.rb', line 46

def rendering_info
  response = long_get(server_url + RENDER_INFO_PATH, content_type: 'application/json')
  unless response.status == HTTP_STATUS_CODES[:ok]
    raise Applitools::EyesError, "Error getting render info (#{response.status}})"
  end
  Oj.load response.body
end

#set_proxy(uri, user = nil, password = nil) ⇒ Object 



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# File 'lib/applitools/connectivity/server_connector.rb', line 192

def set_proxy(uri, user = nil, password = nil)
  self.proxy = Proxy.new uri, user, password
end

#start_session(session_start_info) ⇒ Object

Raises:

  • (Applitools::EyesError) 


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# File 'lib/applitools/connectivity/server_connector.rb', line 260

def start_session(session_start_info)
  request_body = Oj.dump(
    startInfo: Applitools::Utils.camelcase_hash_keys(session_start_info.to_hash)
  )
  res = long_post(
    endpoint_url, body: request_body
  )
  raise Applitools::EyesError.new("Request failed: #{res.status} #{res.body} #{request_body}") unless res.success?

  response = Oj.load(res.body)
  Applitools::Session.new(response['id'], response['url'], res.status == HTTP_STATUS_CODES[:created])
end

#stop_session(session, aborted = nil, save = false) ⇒ Object

Raises:

  • (Applitools::EyesError) 


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# File 'lib/applitools/connectivity/server_connector.rb', line 273

def stop_session(session, aborted = nil, save = false)
  res = long_delete(URI.join(endpoint_url, session.id.to_s), query: { aborted: aborted, updateBaseline: save })
  raise Applitools::EyesError.new("Request failed: #{res.status}") unless res.success?

  response = Oj.load(res.body)
  Applitools::TestResults.new(response)
end