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Add test cases for ForEach mediator v2 #3837

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Dec 16, 2024
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Add test cases for ForEach mediator v2 #3837

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db02fd2
Add test cases for ForEach mediator v2
SanojPunchihewa Dec 16, 2024
8c02571
Fix intermittent test failures in Scatter Gather tests
SanojPunchihewa Dec 16, 2024
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278 changes: 278 additions & 0 deletions ...ediator-1/src/test/java/org/wso2/carbon/esb/mediator/test/v2/ForEachMediatorTestCase.java
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@@ -0,0 +1,278 @@
/*
* Copyright (c) 2024, WSO2 LLC. (https://www.wso2.com) All Rights Reserved.
*
* WSO2 LLC. 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.wso2.carbon.esb.mediator.test.v2;

import com.google.gson.JsonElement;
import com.google.gson.JsonParser;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.testng.Assert;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
import org.w3c.dom.Document;
import org.wso2.esb.integration.common.utils.CarbonLogReader;
import org.wso2.esb.integration.common.utils.ESBIntegrationTest;
import org.wso2.esb.integration.common.utils.clients.SimpleHttpClient;
import org.xml.sax.SAXException;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import static org.testng.Assert.assertEquals;

public class ForEachMediatorTestCase extends ESBIntegrationTest {

private final SimpleHttpClient httpClient = new SimpleHttpClient();

private final String requestPayloadXML = "<data><list><name>apple</name><type>fruit</type></list><list><name>carrot</name>" +
"<type>vegetable</type></list></data>";

private final String requestPayload = "{\n" +
" \"data\": {\n" +
" \"list\": [\n" +
" {\n" +
" \"name\": \"apple\",\n" +
" \"type\": \"fruit\"\n" +
" },\n" +
" {\n" +
" \"name\": \"carrot\",\n" +
" \"type\": \"vegetable\"\n" +
" }\n" +
" ]\n" +
" }\n" +
"}";

private final String expected = "{\n" +
" \"data\": {\n" +
" \"list\": [\n" +
" {\n" +
" \"_name\": \"apple\",\n" +
" \"age\": 5,\n" +
" \"status\": true\n" +
" },\n" +
" {\n" +
" \"_name\": \"carrot\",\n" +
" \"age\": 5,\n" +
" \"status\": false\n" +
" }\n" +
" ]\n" +
" }\n" +
"}";

@BeforeClass(alwaysRun = true)
public void init() throws Exception {

super.init();
}

@Test(groups = {"wso2.esb"}, description = "Testing ForEach mediator with JSON array replace")
public void testForEachJSONBodyReplace() throws IOException {

String serviceURL = getMainSequenceURL() + "foreach/json-body-replace-1";
HttpResponse httpResponse = httpClient.doPost(serviceURL, null, requestPayload, "application/json");
String responsePayload = httpClient.getResponsePayload(httpResponse);

JsonElement responseJSON = JsonParser.parseString(responsePayload);
JsonElement expectedJSON = JsonParser.parseString(expected);
assertEquals(responseJSON, expectedJSON, "Response payload mismatched");
}

@Test(groups = {"wso2.esb"}, description = "Testing ForEach mediator with JSON array replace with external call")
public void testForEachJSONBodyReplaceWithCallMediator() throws IOException {

String serviceURL = getMainSequenceURL() + "foreach/json-body-replace-2";
HttpResponse httpResponse = httpClient.doPost(serviceURL, null, requestPayload, "application/json");
String responsePayload = httpClient.getResponsePayload(httpResponse);

JsonElement responseJSON = JsonParser.parseString(responsePayload);
JsonElement expectedJSON = JsonParser.parseString(expected);
assertEquals(responseJSON, expectedJSON, "Response payload mismatched");
}

@Test(groups = {"wso2.esb"}, description = "Testing ForEach mediator with JSON array output to variable")
public void testForEachJSONBody_VariableOutput() throws IOException {

String serviceURL = getMainSequenceURL() + "foreach/json-body-variable-output";
HttpResponse httpResponse = httpClient.doPost(serviceURL, null, requestPayload, "application/json");
String responsePayload = httpClient.getResponsePayload(httpResponse);

String expected = "{\n" +
" \"foreachResult\": [\n" +
" {\n" +
" \"_name\": \"apple\",\n" +
" \"age\": 5\n" +
" },\n" +
" {\n" +
" \"_name\": \"carrot\",\n" +
" \"age\": 5\n" +
" }\n" +
" ]\n" +
"}";

JsonElement responseJSON = JsonParser.parseString(responsePayload);
JsonElement expectedJSON = JsonParser.parseString(expected);
assertEquals(responseJSON, expectedJSON, "Response payload mismatched");
}

@Test(groups = {"wso2.esb"}, description = "Testing ForEach mediator with JSON array defined as a variable")
public void testForEachJSONVariable() throws IOException, InterruptedException {

CarbonLogReader carbonLogReader = new CarbonLogReader();
carbonLogReader.start();

String serviceURL = getMainSequenceURL() + "foreach/json-var-replace";
HttpResponse httpResponse = httpClient.doGet(serviceURL, null);
Assert.assertEquals(httpResponse.getStatusLine().getStatusCode(), 200, "Response code mismatched");
EntityUtils.consumeQuietly(httpResponse.getEntity());

boolean logLine1 = carbonLogReader
.checkForLog("Processed message : [{\"_name\":\"guava\",\"age\":5},{\"_name\":\"beet\",\"age\":5}]",
DEFAULT_TIMEOUT);
Assert.assertTrue(logLine1, "JSON array defined as a variable not replaced");
carbonLogReader.stop();
}

@Test(groups = {"wso2.esb"}, description = "Testing ForEach mediator with JSON array defined as a variable and set output to a variable")
public void testForEachJSONVariable_VariableOutput() throws IOException, InterruptedException {

CarbonLogReader carbonLogReader = new CarbonLogReader();
carbonLogReader.start();

String requestPayload = "{\"data\":\"abc\"}";

String serviceURL = getMainSequenceURL() + "foreach/json-var-variable-output";
HttpResponse httpResponse = httpClient.doPost(serviceURL, null, requestPayload, "application/json");
Assert.assertEquals(httpResponse.getStatusLine().getStatusCode(), 200, "Response code mismatched");
EntityUtils.consumeQuietly(httpResponse.getEntity());

boolean logLine1 = carbonLogReader
.checkForLog("Original list : {\"data\":{\"list\":[{\"name\":\"apple\",\"type\":\"fruit\"}," +
"{\"name\":\"carrot\",\"type\":\"vegetable\"}]}}",
DEFAULT_TIMEOUT);
Assert.assertTrue(logLine1, "Original list not logged");

boolean logLine2 = carbonLogReader
.checkForLog("Foreach output : [{\"_name\":\"apple\",\"age\":5},{\"_name\":\"carrot\",\"age\":5}]",
DEFAULT_TIMEOUT);
Assert.assertTrue(logLine2, "Foreach output not logged");

boolean logLine3 = carbonLogReader
.checkForLog("Request Body : {\"data\":\"abc\"}",
DEFAULT_TIMEOUT);
Assert.assertTrue(logLine3, "Request body not logged");

carbonLogReader.stop();
}

@Test(groups = {"wso2.esb"}, description = "Testing ForEach mediator with XML list derived from body")
public void testForEachXMLListFromBody() throws IOException, ParserConfigurationException, SAXException {

String expectedResponse = "<data><person><surname>apple</surname><age>10</age></person>" +
"<person><surname>carrot</surname><age>10</age></person></data>";

String serviceURL = getMainSequenceURL() + "foreach/xml-body-replace";
HttpResponse httpResponse = httpClient.doPost(serviceURL, null, requestPayloadXML, "application/xml");
String responsePayload = httpClient.getResponsePayload(httpResponse);
Document document1 = parseXML(expectedResponse);
Document document2 = parseXML(responsePayload);

if (!document1.isEqualNode(document2)) {
Assert.fail("Response payload mismatched: " + responsePayload + " expected: " + expectedResponse);
}
}

@Test(groups = {"wso2.esb"}, description = "Testing ForEach mediator with XML list derived from body and set output to a variable")
public void testForEachXMLListFromBody_VariableOutput() throws IOException, ParserConfigurationException, SAXException, InterruptedException {

CarbonLogReader carbonLogReader = new CarbonLogReader();
carbonLogReader.start();

String serviceURL = getMainSequenceURL() + "foreach/xml-body-variable-output";
HttpResponse httpResponse = httpClient.doPost(serviceURL, null, requestPayloadXML, "application/xml");

boolean logLine = carbonLogReader
.checkForLog("Processed result : <foreach_result><person><surname>apple</surname><age>2</age>" +
"</person><person><surname>carrot</surname><age>2</age></person></foreach_result>",
DEFAULT_TIMEOUT);
Assert.assertTrue(logLine, "Foreach output not logged");

carbonLogReader.stop();

String responsePayload = httpClient.getResponsePayload(httpResponse);
Document document1 = parseXML(requestPayloadXML);
Document document2 = parseXML(responsePayload);

if (!document1.isEqualNode(document2)) {
Assert.fail("Response payload mismatched: " + responsePayload + " expected: " + requestPayloadXML);
}
}

@Test(groups = {"wso2.esb"}, description = "Testing ForEach mediator with XML list derived from a variable and set output to a variable")
public void testForEachXMLListFromVariable_VariableOutput() throws IOException, ParserConfigurationException, SAXException, InterruptedException {

CarbonLogReader carbonLogReader = new CarbonLogReader();
carbonLogReader.start();

String serviceURL = getMainSequenceURL() + "foreach/xml-var-variable-output";
HttpResponse httpResponse = httpClient.doPost(serviceURL, null, requestPayloadXML, "application/xml");

boolean originalList = carbonLogReader
.checkForLog("Original collection : <data><list><name>apple</name><type>fruit</type></list>" +
"<list><name>carrot</name><type>vegetable</type></list></data>",
DEFAULT_TIMEOUT);
Assert.assertTrue(originalList, "Original XML list not logged");

boolean forEachOutput = carbonLogReader
.checkForLog("Processed collection : <foreach_result><person><surname>apple</surname><age>2</age></person>" +
"<person><surname>carrot</surname><age>2</age></person></foreach_result>",
DEFAULT_TIMEOUT);
Assert.assertTrue(forEachOutput, "Foreach output not logged");

carbonLogReader.stop();

String responsePayload = httpClient.getResponsePayload(httpResponse);
Document document1 = parseXML(requestPayloadXML);
Document document2 = parseXML(responsePayload);

if (!document1.isEqualNode(document2)) {
Assert.fail("Response payload mismatched: " + responsePayload + " expected: " + requestPayloadXML);
}
}

private static Document parseXML(String xml) throws IOException, ParserConfigurationException, SAXException {

DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setIgnoringElementContentWhitespace(true);
factory.setNamespaceAware(true);
DocumentBuilder builder = factory.newDocumentBuilder();
Document document = builder.parse(new ByteArrayInputStream(xml.getBytes()));
document.normalizeDocument();
return document;
}

@AfterClass(alwaysRun = true)
private void destroy() throws Exception {

super.cleanup();
}
}
47 changes: 30 additions & 17 deletions ...-mediator-1/src/test/java/org/wso2/carbon/esb/mediator/test/v2/ScatterGatherTestCase.java
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Expand Up @@ -37,17 +37,18 @@
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;

public class ScatterGatherTestCase extends ESBIntegrationTest {

SimpleHttpClient httpClient = new SimpleHttpClient();
CarbonLogReader carbonLogReader = new CarbonLogReader();

@BeforeClass(alwaysRun = true)
public void init() throws Exception {

super.init();
carbonLogReader.start();
}

@Test(groups = {"wso2.esb"}, description = "Testing Scatter-Gather mediator with JSON body replace")
Expand Down Expand Up @@ -87,27 +88,41 @@ public void testScatterGatherJSONBodyReplace() throws IOException {
@Test(groups = {"wso2.esb"}, description = "Testing Scatter-Gather mediator with JSON and variable output")
public void testScatterGatherJSONVariableOutput() throws IOException, InterruptedException {

CarbonLogReader carbonLogReader = new CarbonLogReader();
carbonLogReader.start();

String requestPayload = "{\n" +
" \"requestId\": 1114567\n" +
"}";
String expected = "{\n" +
" \"response\":{\n" +
" \"requestData\":{\n" +
" \"requestId\":1114567\n" +
" },\n" +
" \"scatterGatherOutput\":[\n" +
" {\n" +
" \"name\":\"pet1\",\n" +
" \"type\":\"dog\",\n" +
" \"requestId\":1114567\n" +
" },\n" +
" {\n" +
" \"name\":\"pet2\",\n" +
" \"type\":\"cat\",\n" +
" \"requestId\":1114567\n" +
" },\n" +
" {\n" +
" \"name\":\"pet3\",\n" +
" \"type\":\"mock-backend\",\n" +
" \"requestId\":1114567\n" +
" }\n" +
" ]\n" +
" }\n" +
"}";

String serviceURL = getMainSequenceURL() + "scatter-gather/json-variable-output";
HttpResponse httpResponse = httpClient.doPost(serviceURL, null, requestPayload, "application/json");
String responsePayload = httpClient.getResponsePayload(httpResponse);

JsonElement responseJSON = JsonParser.parseString(responsePayload);
JsonElement expectedJSON = JsonParser.parseString(requestPayload);
assertEquals(responseJSON, expectedJSON, "Response payload mismatched");

boolean logFound = carbonLogReader
.checkForLog("Scatter Gather output = [{\"name\":\"pet1\",\"type\":\"dog\",\"requestId\":1114567}," +
"{\"name\":\"pet2\",\"type\":\"cat\",\"requestId\":1114567},{\"name\":\"pet3\",\"type\":\"mock-backend\"," +
"\"requestId\":1114567}]", DEFAULT_TIMEOUT);
Assert.assertTrue(logFound, "Scatter Gather result not set to variable");
carbonLogReader.stop();
JsonElement expectedJSON = JsonParser.parseString(expected);
assertTrue(areJsonElementsEquivalent(expectedJSON, responseJSON), "Response payload mismatched");
}

@Test(groups = {"wso2.esb"}, description = "Testing Scatter-Gather mediator with XML body replace")
Expand Down Expand Up @@ -135,9 +150,7 @@ public void testScatterGatherXMLBodyReplace() throws IOException, ParserConfigur
@Test(groups = {"wso2.esb"}, description = "Testing Scatter-Gather mediator with XML and variable output")
public void testScatterGatherXMLVariableOutput() throws IOException, InterruptedException, ParserConfigurationException, SAXException {

CarbonLogReader carbonLogReader = new CarbonLogReader();
carbonLogReader.start();

carbonLogReader.clearLogs();
String requestPayload = "<root>\n" +
" <requestId>78658</requestId>\n" +
"</root>";
Expand All @@ -158,7 +171,6 @@ public void testScatterGatherXMLVariableOutput() throws IOException, Interrupted
"<requestId>78658</requestId></pet><pet><name>pet2</name><type>dog</type><requestId>78658</requestId>" +
"</pet></scatter_response>", DEFAULT_TIMEOUT);
Assert.assertTrue(logFound, "Scatter Gather result not set to variable");
carbonLogReader.stop();
}

@Test(groups = {"wso2.esb"}, description = "Testing Scatter-Gather mediator with Aggregation condition")
Expand Down Expand Up @@ -262,6 +274,7 @@ private static Document parseXML(String xml) throws IOException, ParserConfigura
@AfterClass(alwaysRun = true)
private void destroy() throws Exception {

carbonLogReader.stop();
super.cleanup();
}
}
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