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"))