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Hi, I am not sure how I can convert the above code snippet to jsrPreProcessor String script. I tried with the reference
Getting below error in Blazemeter logs as Authorization value is not setting with above code in Blazemeter 2023-06-22 10:43:48,941 ERROR o.a.j.m.JSR223PreProcessor: Problem in JSR223 script, JSR223 PreProcessor Please help me with migrating code from java lamda to run the same test in Blazemeter tool also. Thanks Please help @rabelenda |
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Replies: 2 comments 13 replies
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Something you may try is using the java lambda as is and include jmeter-java-dsl jar and a jar containing any classes you may need (for example the class containing the getAuthorizationHeader() method. I haven't tried this myself, but it should work even though would require proper packaging of custom logic (like getAuthorizationHeader). The usual way I handle such scenarios is just converting the logic to groovy and using groovy script. In general converting logic to groovy is pretty straightforward since groovy is compatible with java and a lot of java code is valid groovy code. But again, depends on what you have inside getAuthorizationHeader. If you use some jar dependency for instance, you would need to add it as asset to run in Blazmeter. Can you provide more details of getAuthorizationHeader logic? In the future would be nice to have automatic lambda execution support in BlazeMeter (or any other cloud provider). We haven't invested on this, but if more people are interested in such support we me reprioritize. |
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Hi Thanks for quick response, It would be really useful if you can provide lambda support in BlazeMeter. It is not working with the "vars.put('Authorization', " + getClass().getName() + ".getAuthorizationHeader(vars))") this way as it return the object of getAuthorizationHeader() method. This method is in the same class where the @test method is written. public static String getAuthorizationHeader(JMeterVariables vars)
throws URISyntaxException, IOException, UnrecoverableKeyException, CertificateException,
KeyStoreException, NoSuchAlgorithmException {
URI uri = new URIBuilder(Constants.CCA_API_URL).build();
Charset charset = StandardCharsets.UTF_8;
PrivateKey signingKey =
AuthenticationUtils.loadSigningKey(
new ClassPathResource(Constants.ACCESS_PATH_8809)
.getFile()
.getAbsolutePath(),
Constants.SIGNING_KEY_ALIAS_8809,
Constants.SIGNING_KEY_PASSWORD);
String authHeader =
OAuth.getAuthorizationHeader(
uri,
"POST",
requestData,
(Charset) charset,
Constants.CLIENT_ID_8809,
signingKey);
return authHeader;
}
@Test
public void testPerformance() throws IOException, InterruptedException, TimeoutException, UnrecoverableKeyException, CertificateException, URISyntaxException, KeyStoreException, NoSuchAlgorithmException {
TestPlanStats stats = testPlan(
threadGroup(1, 1,
httpSampler(Constants.CCA_API_URL)
.header("Authorization", "${Authorization}")
.post(requestData, ContentType.APPLICATION_JSON)
.children(
jsr223PreProcessor("vars.put('Authorization', " + getClass().getName()
+ ".getAuthorizationHeader(vars))")
)
//htmlReporter(Constants.reportsDir + "performance-REPORT")
)
// resultsTreeVisualizer()
).runIn(new BlazeMeterEngine(BlazemeterAPIAuth)
.testName("Test DSL")
.totalUsers(1)
.holdFor(Duration.ofMinutes(5))
.threadsPerEngine(1)
.testTimeout(Duration.ofMinutes(5)));
assertThat(stats.overall().errorsCount()).isEqualTo(0);
assertThat(stats.overall().sampleTimePercentile99()).isLessThan(Duration.ofSeconds(5));
}And also I am not sure how I can write groovy script inside the preprocessor logic as I need this getAuthorizationHeader() method to be called before each sample request hit as it should be unique for each request. |
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I see you have dependencies (external jars or classes, like OAuth and AuthenticationUtils) which will need to be uploaded to blazemeter for proper execution. I just tried following example and worked, maybe you can do something similar: <project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>us.abstracta.jmeter</groupId>
<artifactId>jmeter-java-dsl-sample</artifactId>
<version>0.1-SNAPSHOT</version>
<properties>
<!-- This is important since BlazeMeter engine I used at least uses java 8 -->
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
<dependencies>
<dependency>
<groupId>us.abstracta.jmeter</groupId>
<artifactId>jmeter-java-dsl</artifactId>
<version>1.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>us.abstracta.jmeter</groupId>
<artifactId>jmeter-java-dsl-blazemeter</artifactId>
<version>1.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<version>5.9.0</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>3.0.0-M7</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.10.1</version>
</plugin>
</plugins>
</pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-failsafe-plugin</artifactId>
<version>3.0.0-M7</version>
<executions>
<execution>
<goals>
<goal>integration-test</goal>
<goal>verify</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>3.3.0</version>
<executions>
<execution>
<goals>
<goal>test-jar</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>3.6.0</version>
<executions>
<execution>
<id>copy-dependencies</id>
<phase>package</phase>
<goals>
<goal>copy-dependencies</goal>
</goals>
<configuration>
<outputDirectory>${project.build.directory}/libs</outputDirectory>
<!-- include here any additional dependencies you need to upload to BlazeMeter -->
<includeArtifactIds>jmeter-java-dsl</includeArtifactIds>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>package us.abstracta.jmeter.javadsl.sample;
import static us.abstracta.jmeter.javadsl.JmeterDsl.*;
import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.apache.jmeter.samplers.SampleResult;
import org.junit.jupiter.api.Test;
import us.abstracta.jmeter.javadsl.blazemeter.BlazeMeterEngine;
public class PerformanceIT {
public static void process(SampleResult sampleResult) {
sampleResult.setResponseMessage("SUPER");
}
@Test
public void testPerformance() throws Exception {
testPlan(
threadGroup(1, 1,
jsr223Sampler(getClass().getName() + ".process(SampleResult)")
)
).runIn(new BlazeMeterEngine(System.getenv("BZ_TOKEN"))
.assets(findAssets().toArray(new File[0])));
}
private List<File> findAssets() {
List<File> ret = new ArrayList<>();
ret.add(new File("target/jmeter-java-dsl-sample-0.1-SNAPSHOT-tests.jar"));
ret.addAll(Arrays.asList(new File("target/libs").listFiles()));
return ret;
}
} |
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I didnt quite get the solution here. Can you please explain what we are doing here. I did not find the add asset method in Blazemeter latest version which you have given in the solution What I am understanding here is I just have to add the Oauth dependency again like below |
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Hello, basically in the pom configured:
The code just defines the jars (test jar and dependencies) as assets to be uploaded to BlazeMeter test. The assets method is available since version 1.11. You can check here. Maybe you missed updating your IDE pom or something so it finds latest methods (in IntelliJ at least, every time you update the pom, you need to hit a little button that appears with an m and two curved arrows)? |
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Hello @cspriya, any updates on this? |
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Hi @rabelenda sorry for late reply , I have tried sending groovy script as file and the file has completer code , that is working fine .children(jsr223PreProcessor(new String(Files.readAllBytes(Paths.get( |
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So I guess you are no longer using getAuthorizationHeader method in test. Is good that you found a solution, but I think the method in test is simpler to maintain that groovy script (in case you want to try again fixing such approach). In the solution I provided there are some key points that I didn't describe earlier:
Were you aware of this? |
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We have released a new version which provides an alternative for running lambda code in BlazeMeter and a new user guide section with details. |
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We have released a new version which provides an alternative for running lambda code in BlazeMeter and a new user guide section with details.