Github user adrian555 commented on a diff in the pull request: https://github.com/apache/spark/pull/22455#discussion_r219331649 --- Diff: R/pkg/tests/fulltests/test_eager_execution.R --- @@ -0,0 +1,58 @@ +# +# 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. +# + +library(testthat) + +context("Show SparkDataFrame when eager execution is enabled.") + +test_that("eager execution is not enabled", { + # Start Spark session without eager execution enabled + sparkSession <- if (windows_with_hadoop()) { + sparkR.session(master = sparkRTestMaster) + } else { + sparkR.session(master = sparkRTestMaster, enableHiveSupport = FALSE) + } + + df <- createDataFrame(faithful) + expect_is(df, "SparkDataFrame") + expected <- "eruptions:double, waiting:double" + expect_output(show(df), expected) + + # Stop Spark session + sparkR.session.stop() +}) + +test_that("eager execution is enabled", { + # Start Spark session without eager execution enabled --- End diff -- Done
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