Github user brkyvz commented on a diff in the pull request:
https://github.com/apache/spark/pull/17250#discussion_r107749649
--- Diff:
external/kinesis-asl/src/test/java/org/apache/spark/streaming/kinesis/JavaKinesisInputDStreamBuilderSuite.java
---
@@ -0,0 +1,63 @@
+/*
+ * 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.kinesis;
+
+import org.junit.Test;
+
+import
com.amazonaws.services.kinesis.clientlibrary.lib.worker.InitialPositionInStream;
+
+import org.apache.spark.storage.StorageLevel;
+import org.apache.spark.streaming.Duration;
+import org.apache.spark.streaming.Seconds;
+import org.apache.spark.streaming.LocalJavaStreamingContext;
+import org.apache.spark.streaming.api.java.JavaDStream;
+
+public class JavaKinesisInputDStreamBuilderSuite extends
LocalJavaStreamingContext {
+ /**
+ * Basic test to ensure that the KinesisDStream.Builder interface is
accessible from Java.
+ */
+ @Test
+ public void testJavaKinesisDStreamBuilder() {
+ String streamName = "a-very-nice-stream-name";
+ String endpointUrl = "https://kinesis.us-west-2.amazonaws.com";;
+ String region = "us-west-2";
+ InitialPositionInStream initialPosition =
InitialPositionInStream.TRIM_HORIZON;
+ String appName = "a-very-nice-kinesis-app";
+ Duration checkpointInterval = Seconds.apply(30);
+ StorageLevel storageLevel = StorageLevel.MEMORY_ONLY();
+
+ KinesisInputDStream<byte[]> kinesisDStream =
KinesisInputDStream.builder()
+ .streamingContext(ssc)
+ .streamName(streamName)
+ .endpointUrl(endpointUrl)
+ .regionName(region)
+ .initialPositionInStream(initialPosition)
+ .checkpointAppName(appName)
+ .checkpointInterval(checkpointInterval)
+ .storageLevel(storageLevel)
+ .build();
+ assert(kinesisDStream.streamName() == streamName);
+ assert(kinesisDStream.endpointUrl() == endpointUrl);
+ assert(kinesisDStream.regionName() == region);
+ assert(kinesisDStream.initialPositionInStream() == initialPosition);
+ assert(kinesisDStream.checkpointAppName() == appName);
+ assert(kinesisDStream.checkpointInterval() == checkpointInterval);
+ assert(kinesisDStream._storageLevel() == storageLevel);
+ ssc.stop();
--- End diff --
where does this come from? `LocalJavaStreamingContext`? If so, I wouldn't
stop it. In fact, you can use `Mockito` to create a mock `JavaStreamingContext`
if you like
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