在 jmeter 中加载两个 javascript 文件后，我无法使用 javascript 文件的功能

Question

我正在使用 jmeter 5.2.1 版。为了加载我的 javascript 文件，我使用 jsr223 采样器，其语言为 javascript。 我的问题是我必须在不使用外部 phantomjs 驱动程序的情况下从 jmeter 登录 cognito。所以我已经导入了用于登录 cognito 的 cognito javascript 文件并提供了正确的详细信息。以前，当我通过外部创建的 js 文件使用 phantom js 登录时，此代码可以正常工作。但是在 jsr223 采样器中移动我的代码时，它会给出错误 "AWSCognito" is not defined in . 我还将 jsr223 采样器的大小增加到 600，即 jsr223.compiled_scripts_cache_size=600

我正在执行以下代码

load("D:/apache-jmeter-5.2.1/bin/aws-cognito-sdk.min.js");
load("D:/apache-jmeter-5.2.1/bin/amazon-cognito-identity.min.js");
//var CognitoUserPool = AmazonCognitoIdentity.CognitoUserPool;

var userData = {    user_email: 'test@test.com',    user_pw: 'test',    UserPoolId: 'test', ClientId: 'test',}

    var authenticationData = {
        Username : userData.user_email,
        Password : userData.user_pw,
    };
    var authenticationDetails = new AWSCognito.CognitoIdentityServiceProvider.AuthenticationDetails(authenticationData);    
    var poolData = {
        UserPoolId : userData.UserPoolId, 
        ClientId : userData.ClientId 
    };
    var userPool = new AWSCognito.CognitoIdentityServiceProvider.CognitoUserPool(poolData);
    var userData = {
        Username : userData.user_email,
        Pool : userPool
    };
    var cognitoUser = new AWSCognito.CognitoIdentityServiceProvider.CognitoUser(userData);
    cognitoUser.authenticateUser(authenticationDetails, {
        onSuccess: function (result) {
            // console.log('access token + ' + result.getAccessToken().getJwtToken());
            //document.getElementById("successAndErrorMessages").innerHTML=result.getAccessToken().getJwtToken(); 
            log.info(result.getAccessToken().getJwtToken());
        },

        onFailure: function(err) {
            log.info(err);
        },

    });

在执行我的脚本时出现以下错误

2020-01-02 10:47:59,037 INFO o.a.j.t.ThreadGroup: Started thread group number 1
2020-01-02 10:47:59,038 INFO o.a.j.e.StandardJMeterEngine: All thread groups have been started
2020-01-02 10:47:59,039 INFO o.a.j.t.JMeterThread: Thread started: AutomationR&D 1-1
2020-01-02 10:48:00,381 ERROR o.a.j.p.j.s.JSR223Sampler: Problem in JSR223 script JSR223 Sampler (load js)path, message: javax.script.ScriptException: ReferenceError: "AWSCognito" is not defined in <eval> at line number 15
javax.script.ScriptException: ReferenceError: "AWSCognito" is not defined in <eval> at line number 15
    at jdk.nashorn.api.scripting.NashornScriptEngine.throwAsScriptException(NashornScriptEngine.java:470) ~[nashorn.jar:?]
    at jdk.nashorn.api.scripting.NashornScriptEngine.evalImpl(NashornScriptEngine.java:454) ~[nashorn.jar:?]
    at jdk.nashorn.api.scripting.NashornScriptEngine.evalImpl(NashornScriptEngine.java:406) ~[nashorn.jar:?]
    at jdk.nashorn.api.scripting.NashornScriptEngine.evalImpl(NashornScriptEngine.java:402) ~[nashorn.jar:?]
    at jdk.nashorn.api.scripting.NashornScriptEngine.eval(NashornScriptEngine.java:155) ~[nashorn.jar:?]
    at javax.script.AbstractScriptEngine.eval(Unknown Source) ~[?:1.8.0_221]
    at org.apache.jmeter.util.JSR223TestElement.processFileOrScript(JSR223TestElement.java:225) ~[ApacheJMeter_core.jar:5.2.1]
    at org.apache.jmeter.protocol.java.sampler.JSR223Sampler.sample(JSR223Sampler.java:71) [ApacheJMeter_java.jar:5.2.1]
    at org.apache.jmeter.threads.JMeterThread.doSampling(JMeterThread.java:627) [ApacheJMeter_core.jar:5.2.1]
    at org.apache.jmeter.threads.JMeterThread.executeSamplePackage(JMeterThread.java:551) [ApacheJMeter_core.jar:5.2.1]
    at org.apache.jmeter.threads.JMeterThread.processSampler(JMeterThread.java:490) [ApacheJMeter_core.jar:5.2.1]
    at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:257) [ApacheJMeter_core.jar:5.2.1]
    at java.lang.Thread.run(Unknown Source) [?:1.8.0_221]
Caused by: jdk.nashorn.internal.runtime.ECMAException: ReferenceError: "AWSCognito" is not defined
    at jdk.nashorn.internal.runtime.ECMAErrors.error(ECMAErrors.java:57) ~[nashorn.jar:?]
    at jdk.nashorn.internal.runtime.ECMAErrors.referenceError(ECMAErrors.java:319) ~[nashorn.jar:?]
    at jdk.nashorn.internal.runtime.ECMAErrors.referenceError(ECMAErrors.java:291) ~[nashorn.jar:?]
    at jdk.nashorn.internal.objects.Global.__noSuchProperty__(Global.java:1442) ~[nashorn.jar:?]
    at jdk.nashorn.internal.scripts.Script$1312$\^eval\_.:program(<eval>:15) ~[?:?]
    at jdk.nashorn.internal.runtime.ScriptFunctionData.invoke(ScriptFunctionData.java:637) ~[nashorn.jar:?]
    at jdk.nashorn.internal.runtime.ScriptFunction.invoke(ScriptFunction.java:494) ~[nashorn.jar:?]
    at jdk.nashorn.internal.runtime.ScriptRuntime.apply(ScriptRuntime.java:393) ~[nashorn.jar:?]
    at jdk.nashorn.api.scripting.NashornScriptEngine.evalImpl(NashornScriptEngine.java:449) ~[nashorn.jar:?]
    ... 11 more

请帮我解决这个问题

Answer 1

使用load() function加载多个JavaScript文件应该没有问题，例如：

1. 鉴于我的 JMeter 安装的“bin”文件夹中有 foo.js 文件，代码如下：

   function foo() {
       log.info('foo')
   }
   

2. 还有bar.js文件，代码如下：

   function bar() {
       log.info('bar')
   }
   

3. 我可以从JSR223 Sampler 调用这两个函数，例如：

   load('foo.js')
   load('bar.js')
   foo()
   bar()
   

所以我建议检查您的 aws-cognito-sdk.min.js 文件的完整性，甚至可以从 Github 中获取它，而不是依赖于本地副本，例如：

load("https://raw.githubusercontent.com/amazon-archives/amazon-cognito-identity-js/master/dist/aws-cognito-sdk.min.js")

还要注意 starting from JMeter 3.1 it's recommended to use JSR223 Test Elements 和 Groovy language 用于脚本，因此请考虑迁移到 aws-java-sdk 并使用 groovy 语言获取令牌，您可以使用 aws-cognito-java-desktop-app 作为参考。

Answer 2

您的库似乎导致脚本错误

"AWSCognito" is not defined in <eval> at line number 15

解决此问题将修复您的功能。