Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/164#discussion_r10865898
--- Diff:
mllib/src/test/scala/org/apache/spark/mllib/util/WholeTextFileRecordReaderSuite.scala
---
@@ -0,0 +1,114 @@
+/*
+ * 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.
+ */
+
+package org.apache.spark.mllib.util
+
+
+import java.io.DataOutputStream
+import java.io.FileOutputStream
+import java.nio.file.Files
+import java.nio.file.Path
+import java.nio.file.Paths
+
+import scala.collection.immutable.IndexedSeq
+
+import org.scalatest.BeforeAndAfterAll
+import org.scalatest.FunSuite
+
+import org.apache.hadoop.io.Text
+
+import org.apache.spark.mllib.util.MLUtils._
+import org.apache.spark.SparkContext
+
+/**
+ * Tests the correctness of
[[org.apache.spark.mllib.input.WholeTextFileRecordReader]]. A temporary
+ * directory is created as fake input. Temporal storage would be deleted
in the end.
+ */
+class WholeTextFileRecordReaderSuite extends FunSuite with
BeforeAndAfterAll {
+ private var sc: SparkContext = _
+
+ override def beforeAll() {
+ sc = new SparkContext("local", "test")
+ }
+
+ override def afterAll() {
+ sc.stop()
+ }
+
+ private def createNativeFile(inputDir: Path, fileName: String, contents:
Array[Byte]) = {
+ val out = new DataOutputStream(new
FileOutputStream(s"${inputDir.toString}/$fileName"))
+ out.write(contents, 0, contents.length)
+ out.close()
+ println("Wrote native file")
+ }
+
+ /**
+ * This code will test the behaviors of WholeTextFileRecordReader based
on local disk. There are
+ * three aspects to check:
+ * 1) is all files are read.
+ * 2) is the fileNames are read correctly.
--- End diff --
whether paths are read correctly
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