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clean filename in cpp_source() #253

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clean filename in cpp_source() #253

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f5c7ae1
clean filename in cpp_source()
romainfrancois Dec 2, 2021
c825968
Merge branch 'main' into cpp_source_fileclean
romainfrancois Oct 11, 2022
7130bfb
Merge branch 'main' into cpp_source_fileclean
krlmlr May 1, 2024
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1 change: 1 addition & 0 deletions R/source.R
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Original file line number Diff line number Diff line change
Expand Up @@ -154,6 +154,7 @@ the$count <- 0L
generate_cpp_name <- function(name, loaded_dlls = c("cpp11", names(getLoadedDLLs()))) {
ext <- tools::file_ext(name)
root <- tools::file_path_sans_ext(basename(name))
root <- gsub("[^[:alnum:]_]", "_", root)
count <- 2
new_name <- root
while(new_name %in% loaded_dlls) {
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18 changes: 18 additions & 0 deletions tests/testthat/test-source.R
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Expand Up @@ -218,6 +218,24 @@ test_that("cpp_source(d) functions work after sourcing file more than once", {
expect_equal(foo(), 1)
})

test_that("cpp_source() cleans file name (#248)", {
code <- "
#include <cpp11.hpp>

[[cpp11::register]]
int some_function() {return 42; }
"
temp1 <- withr::local_tempfile(fileext = "contains-hyphen.cpp")
write(code, temp1)
expect_error(cpp11::cpp_source(temp1), NA)
expect_equal(some_function(), 42L)

temp2 <- withr::local_tempfile(fileext = "contains+plus.cpp")
write(code, temp2)
expect_error(cpp11::cpp_source(temp2), NA)
expect_equal(some_function(), 42L)
})

test_that("cpp_source fails informatively for nonexistent file", {
i_do_not_exist <- tempfile(pattern = "nope-", fileext = ".cpp")
expect_false(file.exists(i_do_not_exist))
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