test for including JAR when launching sparkContext

Author: cafreeman

R/pkg/inst/test_support/sparkTestJar-assembly-1.0.jar

@@ -0,0 +1,32 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# 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
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+context("include an external JAR in SparkContext")
+
+test_that("sparkJars tag in SparkContext", {
+  sc <- sparkR.init(master = "local", sparkJars = "../test_support/sparkTestJar-assembly1.0.jar")
+  helloTest <- SparkR:::callJStatic("sparkR.test.hello",
+                                    "helloWorld",
+                                    "Dave")
+  expect_true(helloTest == "Hello, Dave")
+
+  basicFunction <- SparkR:::callJStatic("sparkR.test.basicFunction",
+                                        "addStuff",
+                                        2L,
+                                        2L)
+  expect_true(basicFunction == 4L)
+})