testthat: expect_success – R documentation

Become an expert in R — Interactive courses, Cheat Sheets, certificates and more!

expect_success

Tools for testing expectations

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

expect_success(expr)

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

show_failure(expr)

`expr`	Expression that evaluates a single expectation.
`message`	Check that the failure message matches this regexp.
`...`	Other arguments passed on to `expect_match()`.

Unit Testing for R

v3.0.2

MIT + file LICENSE

Authors

Hadley Wickham [aut, cre], RStudio [cph, fnd], R Core team [ctb] (Implementation of utils::recover())

Initial release