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[FLINK-11074] [table][tests] Enable harness tests with RocksdbStateBa…
…ckend and add harness tests for CollectAggFunction
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...-table/src/test/scala/org/apache/flink/table/runtime/harness/AggFunctionHarnessTest.scala
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| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.flink.table.runtime.harness | ||
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| import java.lang.{Integer => JInt, Long => JLong} | ||
| import java.util.concurrent.ConcurrentLinkedQueue | ||
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| import org.apache.flink.api.common.time.Time | ||
| import org.apache.flink.api.common.typeinfo.BasicTypeInfo | ||
| import org.apache.flink.streaming.api.operators.{AbstractUdfStreamOperator, LegacyKeyedProcessOperator} | ||
| import org.apache.flink.streaming.runtime.streamrecord.StreamRecord | ||
| import org.apache.flink.table.api.dataview.{DataView, MapView} | ||
| import org.apache.flink.table.runtime.aggregate.{GeneratedAggregations, GroupAggProcessFunction} | ||
| import org.apache.flink.table.runtime.harness.HarnessTestBase.{TestStreamQueryConfig, TupleRowKeySelector} | ||
| import org.apache.flink.table.runtime.types.CRow | ||
| import org.junit.Test | ||
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| import scala.collection.JavaConverters._ | ||
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| class AggFunctionHarnessTest extends HarnessTestBase { | ||
| protected var queryConfig = | ||
| new TestStreamQueryConfig(Time.seconds(0), Time.seconds(0)) | ||
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| @Test | ||
| def testCollectAggregate(): Unit = { | ||
| val processFunction = new LegacyKeyedProcessOperator[String, CRow, CRow]( | ||
| new GroupAggProcessFunction( | ||
| genCollectAggFunction, | ||
| collectAggregationStateType, | ||
| false, | ||
| queryConfig)) | ||
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| val testHarness = createHarnessTester( | ||
| processFunction, | ||
| new TupleRowKeySelector[String](2), | ||
| BasicTypeInfo.STRING_TYPE_INFO) | ||
| testHarness.setStateBackend(getStateBackend) | ||
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| testHarness.open() | ||
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| val state = getState(processFunction, "mapView").asInstanceOf[MapView[JInt, JInt]] | ||
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| val expectedOutput = new ConcurrentLinkedQueue[Object]() | ||
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| testHarness.processElement(new StreamRecord(CRow(1L: JLong, 1: JInt, "aaa"), 1)) | ||
| expectedOutput.add(new StreamRecord(CRow("aaa", Map(1 -> 1).asJava), 1)) | ||
| testHarness.processElement(new StreamRecord(CRow(2L: JLong, 1: JInt, "bbb"), 1)) | ||
| expectedOutput.add(new StreamRecord(CRow("bbb", Map(1 -> 1).asJava), 1)) | ||
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| testHarness.processElement(new StreamRecord(CRow(3L: JLong, 1: JInt, "aaa"), 1)) | ||
| expectedOutput.add(new StreamRecord(CRow("aaa", Map(1 -> 2).asJava), 1)) | ||
| testHarness.processElement(new StreamRecord(CRow(4L: JLong, 2: JInt, "aaa"), 1)) | ||
| expectedOutput.add(new StreamRecord(CRow("aaa", Map(1 -> 2, 2 -> 1).asJava), 1)) | ||
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| // remove some state: state may be cleaned up by the state backend if not accessed more than ttl | ||
| processFunction.setCurrentKey("aaa") | ||
| state.remove(2) | ||
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| // retract after state has been cleaned up | ||
| testHarness.processElement(new StreamRecord(CRow(false, 5L: JLong, 2: JInt, "aaa"), 1)) | ||
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| val result = testHarness.getOutput | ||
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| verify(expectedOutput, result) | ||
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| testHarness.close() | ||
| } | ||
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| private def getState( | ||
| operator: AbstractUdfStreamOperator[_, _], | ||
| stateFieldName: String): DataView = { | ||
| val field = classOf[GroupAggProcessFunction].getDeclaredField("function") | ||
| field.setAccessible(true) | ||
| val generatedAggregation = | ||
| field.get(operator.getUserFunction).asInstanceOf[GeneratedAggregations] | ||
| generatedAggregation.getClass.getDeclaredField(stateFieldName) | ||
| .get(generatedAggregation).asInstanceOf[DataView] | ||
| } | ||
| } |
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