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Capacidades

Una capacidad es la definición de una interfaz remota. Ayuda a WebdriverIO a comprender en qué navegador o entorno móvil le gusta ejecutar sus pruebas. Las capacidades son menos cruciales a la hora de desarrollar pruebas localmente a medida que se ejecuta en una interfaz remota la mayoría de las veces, pero se hace más importante cuando se ejecuta un amplio conjunto de pruebas de integración en CI/Cd.

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El formato de un objeto de capacidad está bien definido por la especificación WebDriver. El testrunner de WebdriverIO fallará temprano si las capacidades definidas por el usuario no se adhieren a esa especificación.

Características personalizadas​

While the amount of fixed defined capabilities is very low, everyone can provide and accept custom capabilities that are specific to the automation driver or remote interface:

Extensiones de Capacidad Específica del Explorador​

  • goog:chromeOptions: extensiones de Chromedriver , solo aplicables para pruebas en Chrome
  • moz:firefoxOptions: extensiones de Geckodriver solo aplicables para pruebas en Firefox
  • ms:edgeOptions: EdgeOptions para especificar el entorno cuando se usa EdgeDriver para probar Chromium Edge

Extensiones de capacidad del vendedor en la nube​

Extensiones de capacidad de Motor de Automatización​

WebdriverIO Capabilities to manage browser driver options​

WebdriverIO manages installing and running browser driver for you. WebdriverIO uses a custom capability that allows you to pass in parameters to the driver.

Common Driver Options​

While all driver offer different parameters for configuration, there are some common ones that WebdriverIO understand and uses for setting up your driver or browser:

cacheDir​

The path to the root of the cache directory. This directory is used to store all drivers that are downloaded when attempting to start a session.

Type: string
Default: process.env.WEBDRIVER_CACHE_DIR || os.tmpdir()

binary​

Path to a custom driver binary. If set WebdriverIO won't attempt to download a driver but will use the one provided by this path. Make sure the driver is compatible with the browser you are using.

Type: string

Browser Specific Driver Options​

In order to propagate options to the driver you can use the following custom capabilities:

  • Chrome: wdio:chromedriverOptions
  • Firefox: wdio:geckodriverOptions
  • Microsoft Egde: wdio:edgedriverOptions
  • Safari: wdio:safaridriverOptions
adbPort​

The port on which the ADB driver should run.

Example: 9515

Type: number

urlBase​

Base URL path prefix for commands, e.g. wd/url.

Example: /

Type: string

logPath​

Write server log to file instead of stderr, increases log level to INFO

Type: string

logLevel​

Set log level. Possible options ALL, DEBUG, INFO, WARNING, SEVERE, OFF.

Type: string

verbose​

Log verbosely (equivalent to --log-level=ALL)

Type: boolean

silent​

Log nothing (equivalent to --log-level=OFF)

Type: boolean

appendLog​

Append log file instead of rewriting.

Type: boolean

replayable​

Log verbosely and don't truncate long strings so that the log can be replayed (experimental).

Type: boolean

readableTimestamp​

Add readable timestamps to log.

Type: boolean

enableChromeLogs​

Show logs from the browser (overrides other logging options).

Type: boolean

bidiMapperPath​

Custom bidi mapper path.

Type: string

allowedIps​

Comma-separated allowlist of remote IP addresses which are allowed to connect to EdgeDriver.

Type: string[]
Default: ['']

allowedOrigins​

Comma-separated allowlist of request origins which are allowed to connect to EdgeDriver. Using * to allow any host origin is dangerous!

Type: string[]
Default: ['*']

Capacidades especiales para Casos de Uso Específico​

Esta es una lista de ejemplos que muestran qué capacidades se deben aplicar para lograr un caso de uso concreto.

Ejecutar navegador remotamente​

Ejecutar un navegador remotamente significa ejecutar una instancia del navegador sin ventana o IU. Esto se usa principalmente en entornos CI/CD en los que no se usa ninguna pantalla. Para ejecutar un navegador en modo remoto, aplique las siguientes capacidades:

{
    browserName: 'chrome',    // or 'chromium'
    'goog:chromeOptions': {
        args: ['headless', 'disable-gpu']
    }
}

Automate Different Browser Channels​

If you like to test a browser version that is not yet released as stable, e.g. Chrome Canary, you can do so by setting capabilities and pointing to the browser you like to start, e.g.:

When testing on Chrome, WebdriverIO will automatically download the desired browser version and driver for you based on the defined browserVersion, e.g.:

{
    browserName: 'chrome',    // or 'chromium'
    browserVersion: '116' // or '116.0.5845.96', 'stable', 'dev', 'canary', 'beta'
}

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