selenider_available: Check if selenider can be used

In selenider: Concise, Lazy and Reliable Wrapper for 'chromote' and 'selenium'

Check if selenider can be used

Description

Checks if selenider's dependencies are available, and that we are in an environment where it makes sense to open a selenider session.

skip_if_selenider_unavailable() skips a testthat test if selenider_available() returns FALSE.

Usage

selenider_available(session = c("chromote", "selenium"), online = TRUE)

skip_if_selenider_unavailable(session = c("chromote", "selenium"))

Arguments

session	Which session we should check. "chromote" is used by default.
online	Whether we need to check for an internet connection.

Details

Specifically, the following is checked:

• The SELENIDER_AVAILABLE environment variable. Set this to "TRUE" or "FALSE" to override the return value of this function.

• Whether we are on CRAN (using the NOT_CRAN environment variable). If we are, the function returns FALSE.

• Whether an internet connection is available (using curl::nslookup()).

If session is "chromote", we also check:

• Whether chromote is installed.

• Whether chromote::find_chrome() does not error.

If session is "selenium", we check:

• Whether selenium is installed.

• Whether we can find a valid browser that is supported by selenium.

Value

A boolean flag: TRUE or FALSE.

Examples

selenider_available()

selenider documentation built on April 3, 2025, 5:51 p.m.