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source("incl/start.R")
library("listenv")
message("*** batchtools_ssh() ...")
plan(batchtools_ssh, workers = 2L)
supports_ssh <- tryCatch({
f <- future(42L)
v <- value(f)
identical(v, 42L)
}, error = function(e) FALSE)
message("Supports batchtools_ssh: ", supports_ssh)
if (supports_ssh) {
message("future(a) ...")
a0 <- a <- 42
f <- future(a)
stopifnot(identical(f$globals$a, a0))
v <- value(f)
stopifnot(identical(v, a0))
message("future(a, lazy = TRUE) ...")
a0 <- a <- 42
f <- future(a, lazy = TRUE)
rm(list = "a")
stopifnot(identical(f$globals$a, a0))
v <- value(f)
stopifnot(identical(v, a0))
} ## if (supports_ssh)
message("*** batchtools_ssh() ... DONE")
source("incl/end.R")
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