Use these expectations to test other expectations. Use show_failure() in examples to print the failure message without throwing an erorr.

expect_success(expr)

expect_failure(expr, message = NULL, ...)

show_failure(expr)

expect_known_failure(path, expr)

Arguments

expr

Expression that evaluates a single expectation.

message

Check that the failure message matches this regexp.

...

Other arguments passed on to expect_match().

path

Path to save failure output