1library(pystr)
2context("pystr_lower")
3
4test_that("it converts to lowercase", {
5  expect_equal(pystr_lower("HELLO!"), "hello!")
6})
7
8test_that("it works with a character vector", {
9  expect_equal(pystr_lower(c("HELLO!", "hellO")), c("hello!", "hello"))
10})
11