| shows_message {testthat} | R Documentation |
Needs to match at least one of the messages produced by the expression.
shows_message(regexp = NULL)
expect_message(object, regexp = NULL, info = NULL,
label = NULL)
regexp |
optional regular expression to match. If not specified, just asserts that expression shows some message. |
object |
object to test |
info |
extra information to be included in the message (useful when writing tests in loops). |
label |
object label. When |
Other expectations: equals,
expect_equal,
expect_equivalent,
expect_error, expect_false,
expect_identical, expect_is,
expect_match, expect_output,
expect_true, expect_warning,
gives_warning, is_a,
is_equivalent_to, is_false,
is_identical_to, is_true,
matches, prints_text,
takes_less_than, throws_error
expect_that(message("a"), shows_message())
expect_that(message("a"), shows_message("a"))