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runit-testingtestingpackagetestthat

Catch the error in testthat but dont stop the loop - testing

I have written a package recently and I would like to test few functions where the functions delivers a data.frame when the input is correct, if not it delivers the input as a file into an error folder and logs into a log.log file.

Now the question is: How can i report this movement and do a test that the functions are moving the files into the error folder in test_that?

Thank you!

Solution

  • How about just calling your function with the incorrect input and afterwards checking if the error files were created as you wanted?

    test_that("Error file is created", {
  yourfunction(x)
  expect_true(file.exists("errorfile.error")
})

    Before yourfunction() you also have to create your incorrect input x.