Nothing
source("incl/start.R")
options(progressr.demo.delay = 0.001)
options(progressr.interval = 0.0)
options(progressr.clear = FALSE)
message("with_progress() ...")
x <- 1:100
truth <- sum(x)
message("with_progress() - default ...")
if (requireNamespace("utils")) {
with_progress({
sum <- slow_sum(x)
})
print(sum)
stopifnot(sum == truth)
with_progress({
cat("This stdout output will be delayed")
message("This message will be delayed")
warning("This warning will be delayed")
signalCondition(simpleCondition("This simpleCondition will be delayed"))
sum <- slow_sum(x)
}, interval = 0.1, enable = TRUE, delay_conditions = "condition")
print(sum)
stopifnot(sum == truth)
}
message("with_progress() - default ... done")
message("with_progress() - filesize ...")
with_progress({
sum <- slow_sum(x)
}, handlers = handler_filesize())
print(sum)
stopifnot(sum == truth)
message("with_progress() - filesize ... done")
message("with_progress() - utils::txtProgressBar() ...")
if (requireNamespace("utils")) {
with_progress({
sum <- slow_sum(x)
}, handlers = handler_txtprogressbar(style = 2L))
print(sum)
stopifnot(sum == truth)
}
message("with_progress() - utils::txtProgressBar() ... done")
message("with_progress() - tcltk::tkProgressBar() ...")
with_progress({
sum <- slow_sum(x)
}, handlers = handler_tkprogressbar)
message("with_progress() - tcltk::tkProgressBar() ... done")
message("with_progress() - utils::winProgressBar() ...")
with_progress({
sum <- slow_sum(x)
}, handlers = handler_winprogressbar)
message("with_progress() - utils::winProgressBar() ... done")
message("with_progress() - progress::progress_bar() ...")
if (requireNamespace("progress")) {
## Display progress using default handler
with_progress({
sum <- slow_sum(x)
}, handlers = handler_progress(clear = FALSE))
print(sum)
stopifnot(sum == truth)
}
message("with_progress() - progress::progress_bar() ... done")
message("with_progress() - pbmcapply::progressBar() ...")
with_progress({
sum <- slow_sum(x)
}, handlers = handler_pbmcapply)
message("with_progress() - pbmcapply::progressBar() ... done")
message("with_progress() - ascii_alert ...")
with_progress({
sum <- slow_sum(x)
}, handlers = handler_ascii_alert())
print(sum)
stopifnot(sum == truth)
message("with_progress() - ascii_alert ... done")
message("with_progress() - beepr::beep() ...")
with_progress({
sum <- slow_sum(x)
}, handlers = handler_beepr)
print(sum)
stopifnot(sum == truth)
message("with_progress() - beepr::beep() ... done")
message("with_progress() - notifier::notify() ...")
with_progress({
sum <- slow_sum(x)
}, handlers = handler_notifier)
print(sum)
stopifnot(sum == truth)
message("with_progress() - notifier::notify() ... done")
message("with_progress() - void ...")
## Mute progress updates
with_progress({
sum <- slow_sum(x)
}, handlers = NULL)
print(sum)
stopifnot(sum == truth)
message(" - via option")
## NOTE: Set it to NULL, will use the default utils::txtProgressBar()
options(progressr.handlers = list())
with_progress({
sum <- slow_sum(x)
})
print(sum)
stopifnot(sum == truth)
message("with_progress() - void ... done")
message("with_progress() - multiple handlers ...")
if (requireNamespace("utils", quietly = TRUE)) {
handlers <- list(handler_txtprogressbar, handler_newline, handler_debug)
options(progressr.handlers = handlers)
with_progress({
sum <- slow_sum(x)
})
print(sum)
stopifnot(sum == truth)
}
message("with_progress() - multiple handlers ... done")
message("with_progress() - return value and visibility ...")
res <- with_progress(x)
stopifnot(identical(x, res))
res <- withVisible(with_progress(x))
stopifnot(identical(res$visible, TRUE))
res <- withVisible(with_progress(y <- x))
stopifnot(identical(res$visible, FALSE))
message("with_progress() - return value and visibility ... done")
message("with_progress() ... done")
source("incl/end.R")
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