rahulbiswas876 commented on code in PR #2023: URL: https://github.com/apache/streampipes/pull/2023#discussion_r1357835784
########## streampipes-extensions/streampipes-processors-filters-jvm/src/main/test/org/apache/streampipes/processors/filters/jvm/processor/merge/TestMergeByTimeProcessor.java: ########## @@ -0,0 +1,224 @@ +/* + * 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.streampipes.processors.filters.jvm.processor.merge; + +import static org.junit.Assert.assertTrue; + +import com.google.common.collect.Lists; +import com.google.common.collect.Maps; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collections; +import java.util.List; +import java.util.Map; +import java.util.stream.Collectors; +import org.apache.streampipes.commons.exceptions.SpRuntimeException; +import org.apache.streampipes.extensions.api.pe.routing.SpOutputCollector; +import org.apache.streampipes.messaging.InternalEventProcessor; +import org.apache.streampipes.model.graph.DataProcessorDescription; +import org.apache.streampipes.model.graph.DataProcessorInvocation; +import org.apache.streampipes.model.output.CustomOutputStrategy; +import org.apache.streampipes.model.runtime.Event; +import org.apache.streampipes.model.runtime.EventFactory; +import org.apache.streampipes.model.runtime.SchemaInfo; +import org.apache.streampipes.model.runtime.SourceInfo; +import org.apache.streampipes.model.staticproperty.FreeTextStaticProperty; +import org.apache.streampipes.model.staticproperty.MappingPropertyUnary; +import org.apache.streampipes.test.generator.EventStreamGenerator; +import org.apache.streampipes.test.generator.InvocationGraphGenerator; +import org.apache.streampipes.test.generator.grounding.EventGroundingGenerator; +import org.apache.streampipes.wrapper.params.compat.ProcessorParams; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.junit.runners.Parameterized; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +@RunWith(Parameterized.class) +public class TestMergeByTimeProcessor { + + private static final Logger LOG = LoggerFactory.getLogger(TestMergeByTimeProcessor.class); + + private static final Integer timeInterval = 100; + + @org.junit.runners.Parameterized.Parameters + public static Iterable<Object[]> data() { + return Arrays.asList(new Object[][] { + {"testWithInInterval", Arrays.asList("s0:0", "s1:90"), Arrays.asList("(90,0)")}, + {"testNotWithInInterval", Arrays.asList("s0:0", "s1:110"), Arrays.asList()}, + {"testWithInAndNotWithInInterval", Arrays.asList("s0:0", "s1:80", "s0:110", "s1:500"), Arrays.asList("(80,0)")}, + {"testFigGvnInDocs", Arrays.asList("s1:0", "s0:10", "s0:110", "s1:115", "s0:120", "s1:230", "s0:340", "s0:500", "s1:510" ), + Arrays.asList("(0,10)", "(115,110)", "(510,500)")} + }); + } + + @org.junit.runners.Parameterized.Parameter + public String testName; + + @org.junit.runners.Parameterized.Parameter(1) + public List<String> eventStrings; + + @org.junit.runners.Parameterized.Parameter(2) + public List<String> expectedValue; + + + @Test + public void testMergeByTimeProcessor() { + MergeByTimeProcessor mergeByTimeProcessor = new MergeByTimeProcessor(); + DataProcessorDescription originalGraph = mergeByTimeProcessor.declareModel(); + originalGraph.setSupportedGrounding(EventGroundingGenerator.makeDummyGrounding()); + + DataProcessorInvocation graph = InvocationGraphGenerator.makeEmptyInvocation(originalGraph); + graph.setInputStreams(Arrays.asList( + EventStreamGenerator.makeStreamWithProperties(Collections.singletonList("in-stram0")), + EventStreamGenerator.makeStreamWithProperties(Collections.singletonList("in-stream1")) + )); + + graph.setOutputStream( + EventStreamGenerator.makeStreamWithProperties(Collections.singletonList("out-stream")) + ); + graph.getOutputStream().getEventGrounding().getTransportProtocol().getTopicDefinition() + .setActualTopicName("output-topic"); + + List<String> outputKeySelectors = graph.getOutputStrategies() + .stream() + .filter(CustomOutputStrategy.class::isInstance) + .map(o -> (CustomOutputStrategy) o) + .findFirst() + .map(CustomOutputStrategy::getSelectedPropertyKeys) + .orElse(new ArrayList<>()); + outputKeySelectors.add("s0::timestamp_mapping_stream_1"); + outputKeySelectors.add("s1::timestamp_mapping_stream_2"); + + List<MappingPropertyUnary> mappingPropertyUnaries = graph.getStaticProperties() + .stream() + .filter(p -> p instanceof MappingPropertyUnary) + .map((p -> (MappingPropertyUnary) p)) + .filter(p -> Arrays.asList( + MergeByTimeProcessor.TIMESTAMP_MAPPING_STREAM_1_KEY, + MergeByTimeProcessor.TIMESTAMP_MAPPING_STREAM_2_KEY) + .contains(p.getInternalName())) + .collect(Collectors.toList()); + + + assert mappingPropertyUnaries.size() == 2; + mappingPropertyUnaries.get(0).setSelectedProperty("s0::" + MergeByTimeProcessor.TIMESTAMP_MAPPING_STREAM_1_KEY); + mappingPropertyUnaries.get(1).setSelectedProperty("s1::" + MergeByTimeProcessor.TIMESTAMP_MAPPING_STREAM_2_KEY); + + FreeTextStaticProperty fsp = graph.getStaticProperties().stream() + .filter(p -> p instanceof FreeTextStaticProperty) + .map((p -> (FreeTextStaticProperty) p )) + .filter(p -> p.getInternalName().equals(MergeByTimeProcessor.TIME_INTERVAL)) + .findFirst().orElse(null); + assert fsp != null; + fsp.setValue(String.valueOf(timeInterval)); + + ProcessorParams params = new ProcessorParams(graph); + + StoreEventCollector collector = new StoreEventCollector(); + + mergeByTimeProcessor.onInvocation(params, collector, null); + sendEvents(mergeByTimeProcessor, collector); + + List<String> actualCollectedEvents = collector.getEvents().stream() + .map(e -> formatMergedEvent(e)) + .collect(Collectors.toList()); + + LOG.info("Expected merged event is {}", expectedValue); + LOG.info("Actual merged event is {}", actualCollectedEvents); + assertTrue(eventsEquals(expectedValue, actualCollectedEvents)); + } + + private boolean eventsEquals(List<String> expectedValue, List<String> actualCollectedEvents) { + if (expectedValue.size() != actualCollectedEvents.size()) { + return false; + } + for (int i = 0; i < expectedValue.size(); i++) { + if (!expectedValue.get(i).equalsIgnoreCase(actualCollectedEvents.get(i))) { + return false; + } + } + return true; + } + + private String formatMergedEvent(Event mergedEvent) { + return String.format("(%s)", mergedEvent.getFields().values().stream(). + map(m -> m.getAsPrimitive().getAsString()).collect(Collectors.joining(","))); + } + + private void sendEvents(MergeByTimeProcessor mergeByTimeProcessor, StoreEventCollector spOut) { + List<Event> events = makeEvents(); + for (Event event : events) { + mergeByTimeProcessor.onEvent(event, spOut); + } + + } + + private List<Event> makeEvents() { + List<Event> events = Lists.newArrayList(); + for (String eventString : eventStrings) { + events.add(makeEvent(eventString)); + } + return events; + } + + private Event makeEvent(String eventString) { + Map<String, Object> map = Maps.newHashMap(); + String streamId = eventString.split(":")[0]; + String timestamp = eventString.split(":")[1]; + if (streamId.equals("s0")) { + map.put(MergeByTimeProcessor.TIMESTAMP_MAPPING_STREAM_1_KEY, timestamp); + } else { + map.put(MergeByTimeProcessor.TIMESTAMP_MAPPING_STREAM_2_KEY, timestamp); + } + return EventFactory.fromMap(map, + new SourceInfo("test", streamId), + new SchemaInfo(null, Lists.newArrayList())); + } + + class StoreEventCollector implements SpOutputCollector { Review Comment: addressed your comment -- This is an automated message from the Apache Git Service. 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