Benchmark: validate user agent

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

const isUserAgentToggleOnNative = (allowedUserAgents, userAgent) => {
  allowedUserAgents.indexOf(userAgent) > -1
}

const getUserAgent = () => {
  const userAgent = typeof navigator !== "undefined" ? navigator?.userAgent : ""
  switch (true) {
    case userAgent.includes(DATADOG_SYNTHETICS_USER_AGENT):
      return DATADOG_SYNTHETICS_USER_AGENT
    case userAgent.includes(K6_USER_AGENT):
      return K6_USER_AGENT
    default:
      return userAgent
  }
}

const USERNAME_PASSWORD_ALLOWED_USER_AGENTS = ["DatadogSynthetics", "k6"]

const isUserAgentToggleOnRegex = allowedUserAgents => {
  const userAgent = typeof navigator !== "undefined" ? navigator?.userAgent : ""
  const regex = new RegExp(`(${allowedUserAgents.join("|")})`)
  return regex.test(userAgent)
}

const DATADOG_SYNTHETICS_USER_AGENT = 'DatadogSynthetics',  K6_USER_AGENT = 'k6';

Tests:

Regex
/*When writing async/deferred tests, use `deferred.resolve()` to mark test as done*/ isUserAgentToggleOnRegex(USERNAME_PASSWORD_ALLOWED_USER_AGENTS)
Native
isUserAgentToggleOnNative(USERNAME_PASSWORD_ALLOWED_USER_AGENTS, getUserAgent());

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Regex
Native

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser/OS: Chrome 131 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Regex	2933712.0 Ops/sec
Native	5286526.0 Ops/sec

Related benchmarks:

validate user agent (version: 1)

Comparing performance of: Regex vs Native

Created: one year ago by: Guest

Jump to the latest result

Regex

Native

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A