44fa7df64d
[[SPARK-8548] Remove the trailing whitespaces from the SparkR files - ASF JIRA](https://issues.apache.org/jira/browse/SPARK-8548) - This is the result of `lint-r` https://gist.github.com/yu-iskw/0019b37a2c1167f33986 Author: Yu ISHIKAWA <yuu.ishikawa@gmail.com> Closes #6945 from yu-iskw/SPARK-8548 and squashes the following commits: 0bd567a [Yu ISHIKAWA] [SPARK-8548][SparkR] Remove the trailing whitespaces from the SparkR files
67 lines
3.1 KiB
R
67 lines
3.1 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("tests RDD function take()")
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# Mock data
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numVector <- c(-10:97)
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numList <- list(sqrt(1), sqrt(2), sqrt(3), 4 ** 10)
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strVector <- c("Dexter Morgan: I suppose I should be upset, even feel",
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"violated, but I'm not. No, in fact, I think this is a friendly",
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"message, like \"Hey, wanna play?\" and yes, I want to play. ",
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"I really, really do.")
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strList <- list("Dexter Morgan: Blood. Sometimes it sets my teeth on edge, ",
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"other times it helps me control the chaos.",
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"Dexter Morgan: Harry and Dorris Morgan did a wonderful job ",
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"raising me. But they're both dead now. I didn't kill them. Honest.")
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# JavaSparkContext handle
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jsc <- sparkR.init()
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test_that("take() gives back the original elements in correct count and order", {
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numVectorRDD <- parallelize(jsc, numVector, 10)
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# case: number of elements to take is less than the size of the first partition
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expect_equal(take(numVectorRDD, 1), as.list(head(numVector, n = 1)))
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# case: number of elements to take is the same as the size of the first partition
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expect_equal(take(numVectorRDD, 11), as.list(head(numVector, n = 11)))
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# case: number of elements to take is greater than all elements
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expect_equal(take(numVectorRDD, length(numVector)), as.list(numVector))
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expect_equal(take(numVectorRDD, length(numVector) + 1), as.list(numVector))
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numListRDD <- parallelize(jsc, numList, 1)
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numListRDD2 <- parallelize(jsc, numList, 4)
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expect_equal(take(numListRDD, 3), take(numListRDD2, 3))
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expect_equal(take(numListRDD, 5), take(numListRDD2, 5))
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expect_equal(take(numListRDD, 1), as.list(head(numList, n = 1)))
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expect_equal(take(numListRDD2, 999), numList)
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strVectorRDD <- parallelize(jsc, strVector, 2)
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strVectorRDD2 <- parallelize(jsc, strVector, 3)
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expect_equal(take(strVectorRDD, 4), as.list(strVector))
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expect_equal(take(strVectorRDD2, 2), as.list(head(strVector, n = 2)))
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strListRDD <- parallelize(jsc, strList, 4)
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strListRDD2 <- parallelize(jsc, strList, 1)
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expect_equal(take(strListRDD, 3), as.list(head(strList, n = 3)))
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expect_equal(take(strListRDD2, 1), as.list(head(strList, n = 1)))
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expect_true(length(take(strListRDD, 0)) == 0)
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expect_true(length(take(strVectorRDD, 0)) == 0)
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expect_true(length(take(numListRDD, 0)) == 0)
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expect_true(length(take(numVectorRDD, 0)) == 0)
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})
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