Nothing
test_SnowParam_construction <- function()
{
checkException(SnowParam(logdir = tempdir()))
p <- MulticoreParam(jobname = 'test')
checkIdentical(bpjobname(p), 'test')
}
test_SnowParam_SOCK <- function()
{
if (!requireNamespace("snow", quietly=TRUE))
DEACTIVATED("'snow' package did not load")
param <- SnowParam(2, "SOCK", tasks=2)
checkIdentical(FALSE, bpisup(param))
exp <- bplapply(1:2, function(i) Sys.getpid(), BPPARAM=param)
checkIdentical(2L, length(unique(unlist(exp))))
checkIdentical(FALSE, bpisup(param))
}
test_SnowParam_SOCK_character <- function()
{
bpstop(bpstart(SnowParam("localhost")))
}
test_SnowParam_MPI <- function()
{
if (.Platform$OS.type == "windows")
DEACTIVATED("MPI tests not run on Windows")
DEACTIVATED("MPI tests not run")
param <- SnowParam(2, "MPI", tasks=2)
checkIdentical(FALSE, bpisup(param))
exp <- bplapply(1:2, function(i) mpi.comm.rank(), BPPARAM=param)
checkIdentical(c(1L, 2L), sort(unlist(exp)))
checkIdentical(FALSE, bpisup(param))
}
test_SnowParam_coerce_from_SOCK <- function()
{
if (!requireNamespace("snow", quietly=TRUE))
DEACTIVATED("'snow' package did not load")
cl <- parallel::makeCluster(2L, "SOCK")
p <- as(cl, "SnowParam")
checkTrue(validObject(p))
obs <- tryCatch(bpstart(p), error=conditionMessage)
exp <- "'bpstart' not available; instance from outside BiocParallel?"
checkIdentical(exp, obs)
obs <- tryCatch(bpstop(p), warning=conditionMessage)
exp <- "'bpstop' not available; instance from outside BiocParallel?"
checkIdentical(exp, obs)
exp <- bplapply(1:2, function(i) Sys.getpid(), BPPARAM=p)
checkIdentical(2L, length(unique(unlist(exp))))
checkIdentical(TRUE, bpisup(p))
parallel::stopCluster(cl)
}
test_SnowParam_coerce_from_MPI <- function()
{
if (.Platform$OS.type == "windows")
DEACTIVATED("MPI tests not run on Windows")
if (!requireNamespace("snow", quietly=TRUE) ||
!requireNamespace("Rmpi", quietly=TRUE))
DEACTIVATED("'snow' and/or 'Rmpi' package did not load")
DEACTIVATED("MPI tests not run")
cl <- parallel::makeCluster(2L, "MPI")
p <- as(cl, "SnowParam")
checkTrue(validObject(p))
obs <- tryCatch(bpstart(p), error=conditionMessage)
exp <- "'bpstart' not available; instance from outside BiocParallel?"
checkIdentical(exp, obs)
obs <- tryCatch(bpstop(p), error=conditionMessage)
exp <- "'bpstop' not available; instance from outside BiocParallel?"
checkIdentical(exp, obs)
exp <- bplapply(1:2, function(i) mpi.comm.rank(), BPPARAM=p)
checkIdentical(c(1L, 2L), sort(unlist(exp)))
checkIdentical(TRUE, bpisup(p))
parallel::stopCluster(cl)
}
test_SnowParam_workers <- function()
{
if (.Platform$OS.type == "windows")
return()
if (!requireNamespace("snow", quietly=TRUE) ||
!requireNamespace("Rmpi", quietly=TRUE))
DEACTIVATED("'snow' and/or 'Rmpi' package did not load")
checkException(SnowParam("host", "MPI"), silent=TRUE)
checkException(SnowParam("host", "FORK"), silent=TRUE)
}
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