1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
package spark
import org.scalatest.FunSuite
import SparkContext._
class PipedRDDSuite extends FunSuite with LocalSparkContext {
test("basic pipe") {
sc = new SparkContext("local", "test")
val nums = sc.makeRDD(Array(1, 2, 3, 4), 2)
val piped = nums.pipe(Seq("cat"))
val c = piped.collect()
assert(c.size === 4)
assert(c(0) === "1")
assert(c(1) === "2")
assert(c(2) === "3")
assert(c(3) === "4")
}
test("pipe with env variable") {
sc = new SparkContext("local", "test")
val nums = sc.makeRDD(Array(1, 2, 3, 4), 2)
val piped = nums.pipe(Seq("printenv", "MY_TEST_ENV"), Map("MY_TEST_ENV" -> "LALALA"))
val c = piped.collect()
assert(c.size === 2)
assert(c(0) === "LALALA")
assert(c(1) === "LALALA")
}
test("pipe with non-zero exit status") {
sc = new SparkContext("local", "test")
val nums = sc.makeRDD(Array(1, 2, 3, 4), 2)
val piped = nums.pipe("cat nonexistent_file")
intercept[SparkException] {
piped.collect()
}
}
}
|
