test_that("check arff files", {
with_test_cache({
lrn = makeLearner("classif.rpart")
task = getOMLTask(59)
res = runTaskMlr(task, lrn)
output = tempfile()
setOMLConfig(arff.reader = "farff")
arff.writer(res$run$predictions, file = output)
run.arff = arff.reader(output)
# skip on APPVEYOR (problems with java)
if (!identical(Sys.getenv("APPVEYOR"), "True")) {
output = tempfile()
setOMLConfig(arff.reader = "RWeka")
arff.writer(res$run$predictions, file = output)
run.arff = arff.reader(output)
}
})
})
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