9f4ff95524
## What changes were proposed in this pull request? clean up after big test move ## How was this patch tested? unit tests, jenkins Author: Felix Cheung <felixcheung_m@hotmail.com> Closes #18267 from felixcheung/rtestset2.
93 lines
3.2 KiB
R
93 lines
3.2 KiB
R
#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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context("functions on binary files")
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# JavaSparkContext handle
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sparkSession <- sparkR.session(master = sparkRTestMaster, enableHiveSupport = FALSE)
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sc <- callJStatic("org.apache.spark.sql.api.r.SQLUtils", "getJavaSparkContext", sparkSession)
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mockFile <- c("Spark is pretty.", "Spark is awesome.")
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test_that("saveAsObjectFile()/objectFile() following textFile() works", {
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fileName1 <- tempfile(pattern = "spark-test", fileext = ".tmp")
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fileName2 <- tempfile(pattern = "spark-test", fileext = ".tmp")
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writeLines(mockFile, fileName1)
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rdd <- textFile(sc, fileName1, 1)
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saveAsObjectFile(rdd, fileName2)
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rdd <- objectFile(sc, fileName2)
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expect_equal(collectRDD(rdd), as.list(mockFile))
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unlink(fileName1)
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unlink(fileName2, recursive = TRUE)
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})
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test_that("saveAsObjectFile()/objectFile() works on a parallelized list", {
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fileName <- tempfile(pattern = "spark-test", fileext = ".tmp")
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l <- list(1, 2, 3)
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rdd <- parallelize(sc, l, 1)
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saveAsObjectFile(rdd, fileName)
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rdd <- objectFile(sc, fileName)
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expect_equal(collectRDD(rdd), l)
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unlink(fileName, recursive = TRUE)
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})
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test_that("saveAsObjectFile()/objectFile() following RDD transformations works", {
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fileName1 <- tempfile(pattern = "spark-test", fileext = ".tmp")
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fileName2 <- tempfile(pattern = "spark-test", fileext = ".tmp")
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writeLines(mockFile, fileName1)
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rdd <- textFile(sc, fileName1)
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words <- flatMap(rdd, function(line) { strsplit(line, " ")[[1]] })
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wordCount <- lapply(words, function(word) { list(word, 1L) })
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counts <- reduceByKey(wordCount, "+", 2L)
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saveAsObjectFile(counts, fileName2)
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counts <- objectFile(sc, fileName2)
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output <- collectRDD(counts)
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expected <- list(list("awesome.", 1), list("Spark", 2), list("pretty.", 1),
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list("is", 2))
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expect_equal(sortKeyValueList(output), sortKeyValueList(expected))
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unlink(fileName1)
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unlink(fileName2, recursive = TRUE)
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})
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test_that("saveAsObjectFile()/objectFile() works with multiple paths", {
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fileName1 <- tempfile(pattern = "spark-test", fileext = ".tmp")
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fileName2 <- tempfile(pattern = "spark-test", fileext = ".tmp")
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rdd1 <- parallelize(sc, "Spark is pretty.")
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saveAsObjectFile(rdd1, fileName1)
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rdd2 <- parallelize(sc, "Spark is awesome.")
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saveAsObjectFile(rdd2, fileName2)
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rdd <- objectFile(sc, c(fileName1, fileName2))
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expect_equal(countRDD(rdd), 2)
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unlink(fileName1, recursive = TRUE)
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unlink(fileName2, recursive = TRUE)
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})
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sparkR.session.stop()
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