tests/testthat/test_includeJAR.R

In akzaidi/SparkR: R frontend for Spark

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#    http://www.apache.org/licenses/LICENSE-2.0
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context("include an external JAR in SparkContext")

runScript <- function() {
  sparkHome <- Sys.getenv("SPARK_HOME")
  sparkTestJarPath <- "R/lib/SparkR/test_support/sparktestjar_2.10-1.0.jar"
  jarPath <- paste("--jars", shQuote(file.path(sparkHome, sparkTestJarPath)))
  scriptPath <- file.path(sparkHome, "R/lib/SparkR/tests/testthat/jarTest.R")
  submitPath <- file.path(sparkHome, "bin/spark-submit")
  res <- system2(command = submitPath,
                 args = c(jarPath, scriptPath),
                 stdout = TRUE)
  tail(res, 2)
}

test_that("sparkJars tag in SparkContext", {
  testOutput <- runScript()
  helloTest <- testOutput[1]
  expect_equal(helloTest, "Hello, Dave")
  basicFunction <- testOutput[2]
  expect_equal(basicFunction, "4")
})