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context("test-encoding")
support_unicode_path <- function(){
getRversion() >= "3.6.0" && grepl("(UTF-8|1252)", Sys.getlocale('LC_CTYPE'))
}
test_that("UTF-8 encoded text arguments", {
txt <- readLines(system.file('utf8.txt', package = 'sys', mustWork = TRUE), encoding = 'UTF-8')
res <- sys::exec_internal('echo', txt)
expect_equal(res$status, 0)
con <- rawConnection(res$stdout)
output <- readLines(con, encoding = 'UTF-8')
close(con)
expect_equal(txt, output)
})
test_that("UTF-8 filenames, binary data", {
skip_if_not(support_unicode_path(), 'System does not support unicode paths')
tmp <- paste(tempdir(), "\u0420\u0423\u0421\u0421\u041a\u0418\u0419.txt", sep = "/")
tmp <- normalizePath(tmp, mustWork = FALSE)
f <- file(tmp, 'wb')
serialize(iris, f)
close(f)
expect_true(file.exists(tmp))
# As a file path
res <- if(.Platform$OS.type == "windows"){
sys::exec_internal('cmd', c("/C", "type", tmp))
} else {
sys::exec_internal('cat', tmp)
}
expect_equal(res$status, 0)
expect_equal(unserialize(res$stdout), iris)
})
test_that("UTF-8 filename as std_in", {
skip_if_not(support_unicode_path(), 'System does not support unicode paths')
input <- c("foo", "bar", "baz")
txt <- readLines(system.file('utf8.txt', package = 'sys', mustWork = TRUE), encoding = 'UTF-8')
tmp <- normalizePath(paste(tempdir(), txt, sep = "/"), mustWork = FALSE)
f <- file(tmp, 'wb')
writeBin(charToRaw(paste(input, collapse = "\n")), con = f, useBytes = TRUE)
close(f)
expect_true(file.exists(tmp))
res <- exec_internal('sort', std_in = tmp)
expect_equal(res$status, 0)
con <- rawConnection(res$stdout)
output <- readLines(con)
close(con)
expect_equal(output, sort(input))
})
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