Nothing
library(pystr)
context("pystr_replace")
test_that("it replaces all occurrences by default", {
expect_equal(pystr_replace("mississippi", "ss", "X"), "miXiXippi")
})
test_that("it only replaces the first count occurrences", {
expect_equal(pystr_replace("mississippi", "ss", "XX", 1), "miXXissippi")
})
test_that("it can replace with empty strings", {
expect_equal(pystr_replace("hello", "o", ""), "hell")
})
test_that("it can replace empty strings", {
expect_equal(pystr_replace("hi", "", "X"), "XhXiX")
})
test_that("it can replace empty strings with a count", {
expect_equal(pystr_replace("ABC", "", "X", 2), "XAXBC")
})
test_that("if count is 0, return the string itself", {
expect_equal(pystr_replace("ABCD", "CD", "X", 0), "ABCD")
})
test_that("it works with a character vector", {
expect_equal(pystr_replace(c("ABC", "BC"), "B", "X"), c("AXC", "XC"))
})
test_that("it works with multiple character vectors", {
expect_equal(pystr_replace(c("ABC", "BC"), c("B", "C"), c("X", "Y")), c("AXC", "BY"))
})
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