WSO2 Integration Studio 8.0.0单元测试Mock Service失效求助

我正在使用WSO2 Integration Studio 8.0.0版本，为应用编写JUnit测试套件时，通过Mock Service模拟端点，但运行测试后断言失败，实际返回体与预期不符，怀疑Mock Service未正常生效。

Mock Service配置 #

Mock Service端口设置为9090：
Mock Service端口配置截图

测试配置 #

<unit-test>
    <artifacts>
        <test-artifact>
            <artifact>/LmaAPIConfigs/src/main/synapse-config/api/LmaAPI.xml</artifact>
        </test-artifact>
        <supportive-artifacts/>
        <registry-resources/>
        <connector-resources/>
    </artifacts>
    <test-cases>
        <test-case name="TestMock">
            <input>
                <request-path>/currency</request-path>
                <request-method>POST</request-method>
                <request-protocol>http</request-protocol>
                <payload><![CDATA[{"currency": "USD"}]]></payload>
                <properties>
                    <property name="Content-Type" scope="transport" value="application/json"/>
                </properties>
            </input>
            <assertions>
                <assertEquals>
                    <actual>$body</actual>
                    <expected><![CDATA[<jsonObject><r030>840</r030><txt>Долар США</txt><rate>36.5686</rate><cc>USD</cc><exchangedate>]]></expected>
                    <message>not equals</message>
                </assertEquals>
                <assertNotNull>
                    <actual>$body</actual>
                    <message>body is null</message>
                </assertNotNull>
            </assertions>
        </test-case>
    </test-cases>
    <mock-services>
        <mock-service>/LmaAPI/LmaAPIConfigs/test/resources/mock-services/Exchange.xml</mock-service>
    </mock-services>
</unit-test>

wso2carbon.log日志内容 #

[2022-09-19 08:49:43,467]  INFO {org.apache.synapse.unittest.UnitTestingExecutor} - Start processing test-case handler
[2022-09-19 08:49:43,467]  INFO {org.apache.synapse.unittest.UnitTestingExecutor} - Unit testing agent checks transport Pass-through HTTP Listener port
[2022-09-19 08:49:43,487]  INFO {org.apache.synapse.transport.passthru.core.PassThroughListeningIOReactorManager} - Pass-through EI_INTERNAL_HTTPS_INBOUND_ENDPOINT Listener started on 0:0:0:0:0:0:0:0:9164
[2022-09-19 08:49:43,495]  INFO {org.apache.synapse.unittest.SynapseTestcaseDataReader} - Artifact data from descriptor data read successfully
[2022-09-19 08:49:43,495]  INFO {org.apache.synapse.unittest.SynapseTestcaseDataReader} - Test case data from descriptor data read successfully
[2022-09-19 08:49:43,497]  INFO {org.apache.synapse.unittest.SynapseTestcaseDataReader} - Mock service data from descriptor data read successfully
[2022-09-19 08:49:43,498]  INFO {org.apache.synapse.unittest.ConfigModifier} - Mock service creator ready to start service for Exchange
[2022-09-19 08:49:43,530]  INFO {org.apache.synapse.unittest.MockServiceCreator} - Mock service started for Exchange in - http://localhost:9090/get-nbu-exchange
[2022-09-19 08:49:43,530]  INFO {org.apache.synapse.unittest.ConfigModifier} - Thread waiting for mock service(s) starting
[2022-09-19 08:49:43,609] ERROR {org.apache.synapse.unittest.UnitTestingExecutor} - Failed to get input stream from TCP connection java.io.EOFException
    at java.base/java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2842)
    at java.base/java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:3337)
    at java.base/java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:925)
    at java.base/java.io.ObjectInputStream.<init>(ObjectInputStream.java:368)
    at org.apache.synapse.unittest.RequestHandler.readData(RequestHandler.java:112)
    at org.apache.synapse.unittest.RequestHandler.run(RequestHandler.java:74)
    at java.base/java.lang.Thread.run(Thread.java:834)

[2022-09-19 08:49:43,609] ERROR {org.apache.synapse.unittest.UnitTestingExecutor} - Error while reading data from received message java.lang.NullPointerException
    at org.apache.synapse.unittest.SynapseTestcaseDataReader.readAndStoreArtifactData(SynapseTestcaseDataReader.java:148)
    at org.apache.synapse.unittest.RequestHandler.preProcessingData(RequestHandler.java:137)
    at org.apache.synapse.unittest.RequestHandler.run(RequestHandler.java:80)
    at java.base/java.lang.Thread.run(Thread.java:834)

[2022-09-19 08:49:43,609] ERROR {org.apache.synapse.unittest.UnitTestingExecutor} - Reading Synapse testcase data failed
[2022-09-19 08:49:43,609] ERROR {org.apache.synapse.unittest.UnitTestingExecutor} - Error while running client request in test agent java.net.SocketException: Software caused connection abort: socket write error
    at java.base/java.net.SocketOutputStream.socketWrite0(Native Method)
    at java.base/java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:110)
    at java.base/java.net.SocketOutputStream.write(SocketOutputStream.java:150)
    at java.base/java.io.ObjectOutputStream$BlockDataOutputStream.drain(ObjectOutputStream.java:1883)
    at java.base/java.io.ObjectOutputStream$BlockDataOutputStream.setBlockDataMode(ObjectOutputStream.java:1792)
    at java.base/java.io.ObjectOutputStream.writeNonProxyDesc(ObjectOutputStream.java:1287)
    at java.base/java.io.ObjectOutputStream.writeClassDesc(ObjectOutputStream.java:1232)
    at java.base/java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1428)
    at java.base/java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1179)
    at java.base/java.io.ObjectOutputStream.writeFatalException(ObjectOutputStream.java:1583)
    at java.base/java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:352)
    at org.apache.synapse.unittest.RequestHandler.writeData(RequestHandler.java:238)
    at org.apache.synapse.unittest.RequestHandler.run(RequestHandler.java:92)
    at java.base/java.lang.Thread.run(Thread.java:834)

[2022-09-19 08:49:43,830]  INFO {io.netty.handler.logging.LoggingHandler} - [id: 0x00a2ce58] REGISTERED
[2022-09-19 08:49:43,830]  INFO {io.netty.handler.logging.LoggingHandler} - [id: 0x00a2ce58] BIND: localhost/127.0.0.1:9090
[2022-09-19 08:49:43,830]  INFO {io.netty.handler.logging.LoggingHandler} - [id: 0x00a2ce58, L:/127.0.0.1:9090] ACTIVE
[2022-09-19 08:49:44,040]  INFO {org.apache.synapse.unittest.ConfigModifier} - Mock service(s) are started with given ports
[2022-09-19 08:49:44,042]  INFO {org.apache.synapse.unittest.UnitTestingExecutor} - Main test artifact deployment started
[2022-09-19 08:49:44,042]  INFO {io.netty.handler.logging.LoggingHandler} - [id: 0x00a2ce58, L:/127.0.0.1:9090] READ: [id: 0x7fabaabd, L:/127.0.0.1:9090 - R:/127.0.0.1:61051]
[2022-09-19 08:49:44,042]  INFO {io.netty.handler.logging.LoggingHandler} - [id: 0x00a2ce58, L:/127.0.0.1:9090] READ COMPLETE
[2022-09-19 08:49:44,326]  INFO {org.apache.synapse.api.API} - {api:LmaAPI} Initializing API: LmaAPI
[2022-09-19 08:49:44,326]  INFO {org.apache.synapse.core.axis2.Axis2SynapseEnvironment} - Continuation call is set to true
[2022-09-19 08:49:44,326]  INFO {org.apache.synapse.deployers.APIDeployer} - API named 'LmaAPI' has been deployed from file : LmaAPI
[2022-09-19 08:49:44,326]  INFO {org.apache.synapse.unittest.TestingAgent} - Primary test API artifact deployed successfully
[2022-09-19 08:49:44,326]  INFO {org.apache.synapse.unittest.UnitTestingExecutor} - Synapse testing agent ready to mediate test cases through deployments
[2022-09-19 08:49:44,326]  INFO {org.apache.synapse.unittest.TestingAgent} - 1 Test case(s) ready to execute
[2022-09-19 08:49:44,326]  INFO {org.apache.synapse.unittest.UnitTestingExecutor} - Invoking URI - http://localhost:8290/lma/currency
[2022-09-19 08:49:44,467]  INFO {org.apache.synapse.mediators.builtin.LogMediator} - {api:LmaAPI} uri.var.currency = USD
[2022-09-19 08:49:44,472]  INFO {org.apache.synapse.mediators.builtin.LogMediator} - {api:LmaAPI} To: /lma/currency, MessageID: urn:uuid:898e7062-97b1-4179-a6d0-a3a63106455f, correlation_id: 898e7062-97b1-4179-a6d0-a3a63106455f, Direction: request, LmaAPI_currency = ERROR RESPONSE, Payload: {"currency": "USD"}
[2022-09-19 08:49:44,498]  INFO {org.apache.synapse.unittest.Assertor} - Assert Equals - assert property for services started
[2022-09-19 08:49:44,514]  INFO {org.apache.synapse.unittest.Assertor} - Service Assert Expression - $body
[2022-09-19 08:49:44,514]  INFO {org.apache.synapse.unittest.Assertor} - Service mediated result for Actual - <jsonObject><currency>USD</currency></jsonObject>
[2022-09-19 08:49:44,514]  INFO {org.apache.synapse.unittest.Assertor} - Service Assert Expected - <jsonObject><r030>840</r030><txt>ДоларСША</txt><rate>36.5686</rate><cc>USD</cc></jsonObject>
[2022-09-19 08:49:44,514] ERROR {org.apache.synapse.unittest.Assertor} - Service assertEquals for $body expression failed with a message - not equals
[2022-09-19 08:49:44,514] ERROR {org.apache.synapse.unittest.Assertor} - Unit testing failed for the test case - TestMock
[2022-09-19 08:49:44,514]  INFO {org.apache.synapse.deployers.APIDeployer} - API named 'LmaAPI' has been undeployed
[2022-09-19 08:49:44,514]  INFO {org.apache.synapse.api.API} - {api:LmaAPI} Destroying API: LmaAPI
[2022-09-19 08:49:44,514]  INFO {org.apache.synapse.core.axis2.Axis2SynapseEnvironment} - Continuation call is set to false
[2022-09-19 08:49:44,514]  INFO {org.apache.synapse.unittest.TestingAgent} - Undeployed all the deployed test and supportive artifacts
[2022-09-19 08:49:44,514]  INFO {io.netty.handler.logging.LoggingHandler} - [id: 0x00a2ce58, L:/127.0.0.1:9090] INACTIVE
[2022-09-19 08:49:44,514]  INFO {io.netty.handler.logging.LoggingHandler} - [id: 0x00a2ce58, L:/127.0.0.1:9090] UNREGISTERED
[2022-09-19 08:49:44,521]  INFO {org.apache.synapse.commons.emulator.core.Emulator} - Emulator shutdown successfully.......
[2022-09-19 08:49:44,521]  INFO {org.apache.synapse.unittest.UnitTestingExecutor} - End processing test-case handler

相关配置截图 #

• Synapse工件截图
• API配置截图
• 端点配置截图

请求协助排查Mock Service失效导致断言失败的问题。

内容的提问来源于stack exchange，提问作者Evgeniy Zhurenko