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# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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context("test functions in sparkR.R")
test_that("repeatedly starting and stopping SparkR", {
for (i in 1:4) {
sc <- sparkR.init()
rdd <- parallelize(sc, 1:20, 2L)
expect_equal(count(rdd), 20)
sparkR.stop()
}
})
test_that("repeatedly starting and stopping SparkR SQL", {
for (i in 1:4) {
sc <- sparkR.init()
sqlContext <- sparkRSQL.init(sc)
df <- createDataFrame(sqlContext, data.frame(a = 1:20))
expect_equal(count(df), 20)
sparkR.stop()
}
})
test_that("rdd GC across sparkR.stop", {
sparkR.stop()
sc <- sparkR.init() # sc should get id 0
rdd1 <- parallelize(sc, 1:20, 2L) # rdd1 should get id 1
rdd2 <- parallelize(sc, 1:10, 2L) # rdd2 should get id 2
sparkR.stop()
sc <- sparkR.init() # sc should get id 0 again
# GC rdd1 before creating rdd3 and rdd2 after
rm(rdd1)
gc()
rdd3 <- parallelize(sc, 1:20, 2L) # rdd3 should get id 1 now
rdd4 <- parallelize(sc, 1:10, 2L) # rdd4 should get id 2 now
rm(rdd2)
gc()
count(rdd3)
count(rdd4)
})
test_that("job group functions can be called", {
sc <- sparkR.init()
setJobGroup(sc, "groupId", "job description", TRUE)
cancelJobGroup(sc, "groupId")
clearJobGroup(sc)
})
