testthat: evaluate_promise – R documentation

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evaluate_promise

Evaluate a promise, capturing all types of output.

Evaluate a promise, capturing all types of output.

evaluate_promise(code, print = FALSE)

code

Code to evaluate.

A list containing

`result`	The result of the function
`output`	A string containing all the output from the function
`warnings`	A character vector containing the text from each warning
`messages`	A character vector containing the text from each message

evaluate_promise({
  print("1")
  message("2")
  warning("3")
  4
})

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