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/*
* ===============================LICENSE_START======================================
* dcae-analytics
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed 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.
* ============================LICENSE_END===========================================
*/
package org.openecomp.dcae.apod.analytics.common.service.filter;
import com.google.common.collect.ImmutableList;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.openecomp.dcae.apod.analytics.common.BaseAnalyticsCommonUnitTest;
import org.openecomp.dcae.apod.analytics.common.service.processor.GenericMessageChainProcessor;
import static org.junit.Assert.assertEquals;
/**
* @author Rajiv Singla . Creation Date: 2/10/2017.
*/
public class GenericJsonMessageFilterTest extends BaseAnalyticsCommonUnitTest {
private String jsonMessage;
@Before
public void before() throws Exception {
jsonMessage = fromStream(CEF_MESSAGE_FILE_PATH);
}
@Test
public void testJsonMessageFilterWhenAllFiltersPassed() throws Exception {
final JsonMessageFilterProcessorContext finalMessageProcessorContext =
processJsonMessageFilterChain(jsonMessage,
"domainFilter", "$.event.commonEventHeader.domain", "measurementsForVfScaling",
"functionalRoleFilter", "$.event.commonEventHeader.functionalRole", "vFirewall");
assertJsonMessageAssertions(jsonMessage, finalMessageProcessorContext, true, true, 2);
}
@Test
public void testJsonMessageFilterWhenJsonPathValueIsANumber() throws Exception {
final JsonMessageFilterProcessorContext finalMessageProcessorContext =
processJsonMessageFilterChain(jsonMessage,
"domainFilter", "$.event.commonEventHeader.sequence", "375",
"functionalRoleFilter", "$.event.commonEventHeader.functionalRole", "vFirewall");
assertJsonMessageAssertions(jsonMessage, finalMessageProcessorContext, true, true, 2);
}
@Test
public void testJsonMessageFilterWhenOneFilterDoesNotMatch() throws Exception {
final JsonMessageFilterProcessorContext finalMessageProcessorContext =
processJsonMessageFilterChain(jsonMessage,
"domainFilter", "$.event.commonEventHeader.domain", "xxxxxxxxxxx",
"functionalRoleFilter", "$.event.commonEventHeader.functionalRole", "vFirewall");
assertJsonMessageAssertions(jsonMessage, finalMessageProcessorContext, false, false, 1);
}
@Test
public void testJsonMessageFilterWhenJsonPathDoesNotExist() throws Exception {
final JsonMessageFilterProcessorContext finalMessageProcessorContext =
processJsonMessageFilterChain(jsonMessage,
"domainFilter", "$.event.commonEventHeader.xxxxxxx", "measurementsForVfScaling",
"functionalRoleFilter", "$.event.commonEventHeader.functionalRole", "vFirewall");
assertJsonMessageAssertions(jsonMessage, finalMessageProcessorContext, false, false, 1);
}
@Test
public void testJsonMessageFilterWhenIncomingMessageIsBlank() throws Exception {
final JsonMessageFilterProcessorContext finalMessageProcessorContext =
processJsonMessageFilterChain("",
"domainFilter", "$.event.commonEventHeader.domain", "measurementsForVfScaling",
"functionalRoleFilter", "$.event.commonEventHeader.functionalRole", "vFirewall");
assertJsonMessageAssertions("", finalMessageProcessorContext, false, null, 1);
}
@Test
public void testJsonMessageFilterWhenIncomingMessageIsNotValidJson() throws Exception {
final JsonMessageFilterProcessorContext finalMessageProcessorContext =
processJsonMessageFilterChain("invalidJson",
"domainFilter", "$.event.commonEventHeader.domain", "measurementsForVfScaling",
"functionalRoleFilter", "$.event.commonEventHeader.functionalRole", "vFirewall");
assertJsonMessageAssertions("invalidJson", finalMessageProcessorContext, false, null, 1);
}
private static void assertJsonMessageAssertions(
final String jsonMessage, final JsonMessageFilterProcessorContext finalMessageProcessorContext,
final Boolean canProcessingContinueFlag, final Boolean matchedFlag,
final int messageProcessorCount) throws Exception {
assertJson(jsonMessage, finalMessageProcessorContext.getMessage());
Assert.assertEquals(canProcessingContinueFlag, finalMessageProcessorContext.canProcessingContinue());
assertEquals(matchedFlag, finalMessageProcessorContext.getMatched());
Assert.assertEquals(finalMessageProcessorContext.getMessageProcessors().size(), messageProcessorCount);
}
private static JsonMessageFilterProcessorContext processJsonMessageFilterChain(
final String jsonMessage,
final String firstFilterName, final String firstFilterPath, final String firstFilterValue,
final String secondFilterName, final String secondFilterPath, final String secondFilterValue) {
// create processors
final GenericJsonMessageFilter firstFilter = new GenericJsonMessageFilter(firstFilterName, firstFilterPath,
firstFilterValue);
final GenericJsonMessageFilter secondFilter = new GenericJsonMessageFilter(secondFilterName,
secondFilterPath, secondFilterValue);
// create initial processor context containing the json message that need to be processed
final JsonMessageFilterProcessorContext initialProcessorContext =
new JsonMessageFilterProcessorContext(jsonMessage);
// create a generic message chain processor and feed it list of processors and initialProcessor context
final GenericMessageChainProcessor<JsonMessageFilterProcessorContext> messageChainProcessor =
new GenericMessageChainProcessor<>(ImmutableList.of(firstFilter, secondFilter),
initialProcessorContext);
// process the generic message chain
return messageChainProcessor.processChain();
}
}
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