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[SPARKR][SPARK-16581] Fix JVM API tests in SparkR #14904

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[SPARKR][SPARK-16581] Fix JVM API tests in SparkR #14904

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15 changes: 4 additions & 11 deletions R/pkg/inst/tests/testthat/test_jvm_api.R
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Original file line number Diff line number Diff line change
Expand Up @@ -20,24 +20,17 @@ context("JVM API")
sparkSession <- sparkR.session(enableHiveSupport = FALSE)

test_that("Create and call methods on object", {
jarr <- newJObject("java.util.ArrayList")
jarr <- sparkR.newJObject("java.util.ArrayList")
# Add an element to the array
callJMethod(jarr, "add", 1L)
sparkR.callJMethod(jarr, "add", 1L)
# Check if get returns the same element
expect_equal(callJMethod(jarr, "get", 0L), 1L)
expect_equal(sparkR.callJMethod(jarr, "get", 0L), 1L)
})

test_that("Call static methods", {
# Convert a boolean to a string
strTrue <- callJStatic("java.lang.String", "valueOf", TRUE)
strTrue <- sparkR.callJStatic("java.lang.String", "valueOf", TRUE)
expect_equal(strTrue, "true")
})

test_that("Manually garbage collect objects", {
jarr <- newJObject("java.util.ArrayList")
cleanup.jobj(jarr)
# Using a jobj after GC should throw an error
expect_error(print(jarr), "Error in invokeJava.*")
})

sparkR.session.stop()