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test-crew_launcher_local.R
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test-crew_launcher_local.R
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crew_test("crew_launcher_local() can run a task on a worker", {
skip_on_cran()
skip_on_os("windows")
router <- crew_router(
workers = 4L
)
launcher <- crew_launcher_local(seconds_idle = 360)
crew_session_start()
on.exit({
crew_session_terminate()
router$terminate()
launcher$terminate()
crew_test_sleep()
})
expect_silent(launcher$validate())
router$listen()
launcher$populate(sockets = router$daemons$worker_socket)
expect_equal(nrow(launcher$workers), 4L)
expect_s3_class(launcher$workers$listener[[2L]], "crew_null")
expect_s3_class(launcher$workers$handle[[2L]], "crew_null")
socket <- launcher$workers$socket[2L]
expect_equal(length(launcher$inactive()), 4L)
expect_equal(launcher$workers$launches, rep(0L, 4L))
expect_true(is_crew_null(launcher$workers$listener[[2]]))
launcher$launch(sockets = socket)
expect_s3_class(launcher$workers$handle[[2L]], "r_process")
expect_silent(launcher$validate())
crew::crew_wait(
~launcher$workers$handle[[2L]]$is_alive(),
seconds_interval = 0.001,
seconds_timeout = 5
)
crew::crew_wait(
~{
daemons <- mirai::daemons(.compute = router$name)$daemons
status <- unname(daemons[, "status_online", drop = TRUE])[2L]
length(status) == 1L && status > 0L
},
seconds_interval = 0.001,
seconds_timeout = 5
)
crew_wait(
~identical(length(launcher$inactive()), 3L),
seconds_interval = 0.001,
seconds_timeout = 5
)
listener <- launcher$workers$listener[[2]]
expect_equal(nanonext::stat(listener$listener[[1]], "pipes"), 1L)
expect_equal(nanonext::stat(listener$listener[[1]], "accept"), 1L)
expect_equal(launcher$workers$launches, c(0L, 1L, 0L, 0L))
m <- mirai::mirai(ps::ps_pid(), .compute = router$name)
crew_wait(
~!anyNA(m$data),
seconds_interval = 0.001,
seconds_timeout = 5
)
expect_equal(m$data, launcher$workers$handle[[2L]]$get_pid())
router$terminate()
tryCatch(
crew::crew_wait(
~{
handle <- launcher$workers$handle[[2L]]
is_crew_null(handle) || !handle$is_alive()
},
seconds_interval = 0.001,
seconds_timeout = 5
),
crew_expire = function(condition) {
launcher$workers$handle[[2L]]$kill()
}
)
crew::crew_wait(
~{
listener <- launcher$workers$listener[[2L]]
nanonext::stat(listener$listener[[1]], "pipes") == 0L
},
seconds_interval = 0.001,
seconds_timeout = 5
)
crew_wait(
~identical(length(launcher$inactive()), 4L),
seconds_interval = 0.001,
seconds_timeout = 5
)
listener <- launcher$workers$listener[[2]]
expect_equal(nanonext::stat(listener$listener[[1]], "pipes"), 0L)
expect_equal(nanonext::stat(listener$listener[[1]], "accept"), 1L)
})
crew_test("crew_launcher_local() can run a task on a worker", {
skip_on_cran()
skip_on_os("windows")
launcher <- crew_launcher_local(seconds_idle = 360)
crew_session_start()
on.exit(crew_session_terminate())
expect_silent(launcher$launch(sockets = character(0)))
})
crew_test("crew_launcher_local() can run a task and time out a worker", {
skip_on_cran()
skip_on_os("windows")
router <- crew_router(
workers = 1L
)
launcher <- crew_launcher_local(tasks_max = 1L, seconds_idle = 360)
crew_session_start()
on.exit({
crew_session_terminate()
router$terminate()
launcher$terminate()
crew_test_sleep()
})
router$listen()
expect_silent(launcher$validate())
socket <- router$daemons$worker_socket
launcher$populate(sockets = router$daemons$worker_socket)
expect_equal(length(launcher$inactive()), 1L)
launcher$launch(sockets = router$daemons$worker_socket)
crew::crew_wait(
~{
handle <- launcher$workers$handle[[1]]
!is_crew_null(handle) && handle$is_alive()
},
seconds_interval = 0.001,
seconds_timeout = 5
)
crew_wait(
~identical(length(launcher$inactive()), 0L),
seconds_interval = 0.001,
seconds_timeout = 5
)
m <- mirai::mirai(ps::ps_pid(), .compute = router$name)
crew::crew_wait(
~!anyNA(m$data),
seconds_interval = 0.001,
seconds_timeout = 5
)
expect_equal(m$data, launcher$workers$handle[[1]]$get_pid())
crew::crew_wait(
~{
handle <- launcher$workers$handle[[1]]
is_crew_null(handle) || !handle$is_alive()
},
seconds_interval = 0.001,
seconds_timeout = 5
)
crew::crew_wait(
~{
daemons <- mirai::daemons(.compute = router$name)$daemons
status <- unname(daemons[, "status_online", drop = TRUE])
length(status) != 1L || status < 1L
},
seconds_interval = 0.001,
seconds_timeout = 5
)
crew_wait(
~identical(length(launcher$inactive()), 1L),
seconds_interval = 0.001,
seconds_timeout = 5
)
router$terminate()
})
crew_test("crew_launcher_local() can run a task and end a worker", {
skip_on_cran()
skip_on_os("windows")
router <- crew_router(workers = 1L)
launcher <- crew_launcher_local(tasks_max = 1L, seconds_idle = 360)
crew_session_start()
on.exit({
crew_session_terminate()
router$terminate()
launcher$terminate()
crew_test_sleep()
})
router$listen()
socket <- router$daemons$worker_socket
launcher$populate(sockets = router$daemons$worker_socket)
expect_equal(length(launcher$inactive()), 1L)
launcher$launch(sockets = router$daemons$worker_socket)
crew::crew_wait(
~{
daemons <- mirai::daemons(.compute = router$name)$daemons
status <- unname(daemons[, "status_online", drop = TRUE])
length(status) == 1L && status > 0L
},
seconds_interval = 0.001,
seconds_timeout = 5
)
crew::crew_wait(
~{
handle <- launcher$workers$handle[[1]]
!is_crew_null(handle) && handle$is_alive()
},
seconds_interval = 0.001,
seconds_timeout = 5
)
crew_wait(
~identical(length(launcher$inactive()), 0L),
seconds_interval = 0.001,
seconds_timeout = 5
)
expect_silent(launcher$terminate())
crew::crew_wait(
~{
daemons <- mirai::daemons(.compute = router$name)$daemons
status <- unname(daemons[, "status_online", drop = TRUE])
length(status) != 1L || status < 1L
},
seconds_interval = 0.001,
seconds_timeout = 5
)
crew::crew_wait(
~{
handle <- launcher$workers$handle[[1]]
is_crew_null(handle) || !handle$is_alive()
},
seconds_interval = 0.001,
seconds_timeout = 5
)
crew_wait(
~identical(length(launcher$inactive()), 1L),
seconds_interval = 0.001,
seconds_timeout = 5
)
router$terminate()
})
crew_test("worker that immediately times out is still discovered", {
skip_on_cran()
skip_on_os("windows")
router <- crew_router(workers = 1L)
launcher <- crew_launcher_local(
tasks_timers = 0L,
seconds_launch = 360,
seconds_idle = 0.1
)
crew_session_start()
on.exit({
crew_session_terminate()
router$terminate()
launcher$terminate()
crew_test_sleep()
})
router$listen()
socket <- router$daemons$worker_socket
launcher$populate(sockets = router$daemons$worker_socket)
expect_equal(length(launcher$inactive()), 1L)
launcher$launch(sockets = router$daemons$worker_socket)
crew::crew_wait(
~{
handle <- launcher$workers$handle[[1]]
!is_crew_null(handle) && !handle$is_alive()
},
seconds_interval = 0.001,
seconds_timeout = 5
)
crew_wait(
~identical(length(launcher$inactive()), 1L),
seconds_interval = 0.001,
seconds_timeout = 5
)
listener <- launcher$workers$listener[[1]]
expect_equal(nanonext::stat(listener$listener[[1]], "pipes"), 0L)
expect_gt(nanonext::stat(listener$listener[[1]], "accept"), 0L)
})
crew_test("launcher clean()", {
skip_on_cran()
skip_on_os("windows")
router <- crew_router(workers = 1L)
launcher <- crew_launcher_local(
tasks_timers = 0L,
seconds_launch = 360,
seconds_idle = 360
)
crew_session_start()
on.exit({
crew_session_terminate()
launcher$terminate()
router$terminate()
crew_test_sleep()
})
router$listen()
socket <- router$daemons$worker_socket
launcher$populate(sockets = router$daemons$worker_socket)
launcher$launch(sockets = socket)
handle <- launcher$workers$handle[[1]]
crew_wait(
~handle$is_alive(),
seconds_interval = 0.001,
seconds_timeout = 5
)
expect_true(handle$is_alive())
launcher$clean()
expect_true(handle$is_alive())
launcher$workers$start[1L] <- launcher$workers$start[1L] - 540
launcher$clean()
crew_wait(
~!handle$is_alive(),
seconds_interval = 0.001,
seconds_timeout = 5
)
expect_false(handle$is_alive())
})