Github user jerryshao commented on a diff in the pull request:
https://github.com/apache/spark/pull/5680#discussion_r29490701
--- Diff:
streaming/src/test/scala/org/apache/spark/streaming/scheduler/InputInfoTrackerSuite.scala
---
@@ -0,0 +1,104 @@
+/*
+ * 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.streaming.scheduler
+
+import org.scalatest.{BeforeAndAfter, FunSuite}
+
+import org.apache.spark.SparkConf
+import org.apache.spark.rdd.RDD
+import org.apache.spark.streaming.{Time, Duration, StreamingContext}
+import org.apache.spark.streaming.dstream.{ReceiverInputDStream,
InputDStream}
+import org.apache.spark.streaming.receiver.Receiver
+
+class InputInfoTrackerSuite extends FunSuite with BeforeAndAfter {
+
+ private var ssc: StreamingContext = _
+
+ before {
+ val conf = new
SparkConf().setMaster("local[2]").setAppName("DirectStreamTacker")
+ if (ssc == null) {
+ ssc = new StreamingContext(conf, Duration(1000))
+ }
+ }
+
+ after {
+ if (ssc != null) {
+ ssc.stop()
+ ssc = null
+ }
+ }
+
+ test("test track the number of input stream") {
+ class TestInputDStream extends InputDStream[String](ssc) {
+ def start() { }
+ def stop() { }
+ def compute(validTime: Time): Option[RDD[String]] = ???
+ }
+
+ class TestReceiverInputDStream extends
ReceiverInputDStream[String](ssc) {
+ def getReceiver: Receiver[String] = ???
+ }
+
+ // Register input streams
+ val receiverInputStreams = Array(new TestReceiverInputDStream, new
TestReceiverInputDStream)
+ val inputStreams = Array(new TestInputDStream, new TestInputDStream,
new TestInputDStream)
+
+ assert(ssc.graph.getInputStreams().length == 5)
+ assert(ssc.graph.getReceiverInputStreams().length == 2)
+ assert(ssc.graph.getReceiverInputStreams() === receiverInputStreams)
+ assert(ssc.graph.getInputStreams().map(_.id) === Array(0, 1, 2, 3, 4))
+ assert(receiverInputStreams.map(_.id) === Array(0, 1))
+ }
+
+ test("test report and get InputInfo from InputInfoTracker") {
+ val inputInfoTracker = new InputInfoTracker(ssc)
+
+ val streamId1 = 0
+ val streamId2 = 1
+ val time = Time(0L)
+ val inputInfo1 = InputInfo(time, streamId1, 100L)
+ val inputInfo2 = InputInfo(time, streamId2, 300L)
+ inputInfoTracker.reportInfo(inputInfo1.batchTime, inputInfo1)
+ inputInfoTracker.reportInfo(inputInfo2.batchTime, inputInfo2)
+
+ val batchTimeToInputInfos = inputInfoTracker.getInfo(time)
+ assert(batchTimeToInputInfos.size == 2)
+ assert(batchTimeToInputInfos.keys === Set(streamId1, streamId2))
+ assert(batchTimeToInputInfos(streamId1) === inputInfo1)
+ assert(batchTimeToInputInfos(streamId2) === inputInfo2)
+ assert(inputInfoTracker.getInfo(time)(streamId1) === inputInfo1)
+ }
+
+ test("test cleanup InputInfo from InputInfoTracker") {
+ val inputInfoTracker = new InputInfoTracker(ssc)
+
+ val streamId1 = 0
+ val inputInfo1 = InputInfo(Time(0), streamId1, 100L)
+ val inputInfo2 = InputInfo(Time(1), streamId1, 300L)
+ inputInfoTracker.reportInfo(inputInfo1.batchTime, inputInfo1)
+ inputInfoTracker.reportInfo(inputInfo2.batchTime, inputInfo2)
+
+ inputInfoTracker.cleanup(Time(0))
+ assert(inputInfoTracker.getInfo(Time(0))(streamId1) === inputInfo1)
+ assert(inputInfoTracker.getInfo(Time(1))(streamId1) === inputInfo2)
+
+ inputInfoTracker.cleanup(Time(1))
+ assert(inputInfoTracker.getInfo(Time(0)).get(streamId1) === None)
+ assert(inputInfoTracker.getInfo(Time(1))(streamId1) === inputInfo2)
+ }
--- End diff --
Hi @tdas , what's the meaning of `Checkpoint StreamingListenerSuite`?
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