message: character message to be printed, passed to testthat::skip()
url: character URL to ping to check for a working connection
Returns
If offline, a test skip; else invisibly returns TRUE.
Details
Note that if you call this from inside one of the mock contexts, it will follow the mock's behavior. That is, inside with_fake_http(), the check will pass and the following tests will run, but inside without_internet(), the following tests will be skipped.