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test_that("run can run", {
px <- get_tool("px")
expect_error({
run(px, c("sleep", "0"))
}, NA)
gc()
})
test_that("timeout works", {
px <- get_tool("px")
tic <- Sys.time()
x <- run(px, c("sleep", "5"), timeout = 0.00001, error_on_status = FALSE)
toc <- Sys.time()
expect_true(toc - tic < as.difftime(3, units = "secs"))
expect_true(x$timeout)
gc()
})
test_that("timeout throws right error", {
px <- get_tool("px")
e <- tryCatch(
run(px, c("sleep", "5"), timeout = 0.00001, error_on_status = TRUE),
error = function(e) e
)
expect_true("system_command_timeout_error" %in% class(e))
gc()
})
test_that("callbacks work", {
px <- get_tool("px")
## This typically freezes on Unix, if there is a malloc/free race
## condition in the SIGCHLD handler.
for (i in 1:30) {
out <- NULL
run(
px, rbind("outln", 1:20),
stdout_line_callback = function(x, ...) out <<- c(out, x)
)
expect_equal(out, as.character(1:20))
gc()
}
for (i in 1:30) {
out <- NULL
run(
px, rbind("errln", 1:20),
stderr_line_callback = function(x, ...) out <<- c(out, x),
error_on_status = FALSE
)
expect_equal(out, as.character(1:20))
gc()
}
})
test_that("working directory", {
px <- get_tool("px")
dir.create(tmp <- tempfile())
on.exit(unlink(tmp, recursive = TRUE), add = TRUE)
cat("foo\nbar\n", file = file.path(tmp, "file"))
x <- run(px, c("cat", "file"), wd = tmp)
if (is_windows()) {
expect_equal(x$stdout, "foo\r\nbar\r\n")
} else {
expect_equal(x$stdout, "foo\nbar\n")
}
gc()
})
test_that("working directory does not exist", {
px <- get_tool("px")
expect_error(run(px, wd = tempfile()))
gc()
})
test_that("stderr_to_stdout", {
px <- get_tool("px")
out <- run(
px, c("out", "o1", "err", "e1", "out", "o2", "err", "e2", "outln", ""),
stderr_to_stdout = TRUE)
expect_equal(out$status, 0L)
expect_equal(
out$stdout, paste0("o1e1o2e2", if (is_windows()) "\r", "\n"))
expect_equal(out$stderr, NULL)
expect_false(out$timeout)
})
test_that("condition on interrupt", {
skip_if_no_ps()
skip_on_cran()
if (is_windows() && Sys.getenv("_R_CHECK_PACKAGE_NAME_", "") != "") {
skip("Fails in Windows R CMD check")
}
px <- get_tool("px")
cnd <- tryCatch(
interrupt_me(run(px, c("errln", "oops", "errflush", "sleep", 3)), 0.5),
error = function(c) c,
interrupt = function(c) c)
expect_s3_class(cnd, "system_command_interrupt")
expect_equal(str_trim(cnd$stderr), "oops")
})
test_that("stdin", {
tmp <- tempfile()
on.exit(unlink(tmp), add = TRUE)
txt <- "foobar\nthis is the input\n"
cat(txt, file = tmp)
px <- get_tool("px")
res <- run(px, c("cat", "<stdin>"), stdin = tmp)
expect_equal(
strsplit(res$stdout, "\r?\n")[[1]],
c("foobar", "this is the input"))
})
test_that("drop stdout", {
px <- get_tool("px")
res <- run(px, c("out", "boo", "err", "bah"), stdout = NULL)
expect_null(res$stdout)
expect_equal(res$stderr, "bah")
})
test_that("drop stderr", {
px <- get_tool("px")
res <- run(px, c("out", "boo", "err", "bah"), stderr = NULL)
expect_equal(res$stdout, "boo")
expect_null(res$stderr)
})
test_that("drop std*", {
px <- get_tool("px")
res <- run(px, c("out", "boo", "err", "bah"), stdout = NULL, stderr = NULL)
expect_null(res$stdout)
expect_null(res$stderr)
})
test_that("redirect stout", {
tmp1 <- tempfile()
tmp2 <- tempfile()
on.exit(unlink(c(tmp1, tmp2)), add = TRUE)
px <- get_tool("px")
res <- run(px, c("outln", "boo", "errln", "bah"), stdout = tmp1, stderr = tmp2)
expect_null(res$stdout)
expect_null(res$stderr)
expect_equal(readLines(tmp1), "boo")
expect_equal(readLines(tmp2), "bah")
})
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