| prints_text {testthat} | R Documentation |
Expectation: does printed output match a regular expression?
prints_text(regexp, ...) expect_output(object, regexp, ..., info = NULL, label = NULL)
regexp |
regular expression to test against |
... |
other arguments passed to |
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_reference,
expect_equal_to_reference;
equals, expect_equal;
expect-compare,
expect_less_than,
expect_more_than,
is_less_than, is_more_than;
expect_equivalent,
is_equivalent_to;
expect_error, throws_error;
expect_false, expect_true,
is_false, is_true;
expect_identical,
is_identical_to; expect_is,
is_a; expect_match,
matches; expect_message,
shows_message; expect_named,
has_names; expect_null,
is_null; expect_warning,
gives_warning;
takes_less_than
str(mtcars) expect_output(str(mtcars), "32 obs") expect_output(str(mtcars), "11 variables") # You can use the arguments of grepl to control the matching expect_output(str(mtcars), "11 VARIABLES", ignore.case = TRUE) expect_output(str(mtcars), "$ mpg", fixed = TRUE)