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76 - Getting Started with JMeter DSL

naveenkumar ~ qainsights.com

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🤔 Domain Specific Language

• A domain-specific language (DSL) is a computer language specialized in a particular application domain.
• HTML, Regular Expressions, and more

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📦 JMeter DSL

• open source initiative from Abstracta
• JMeter-as-Code

@Test
public void testHelloWorld() throws IOException {
    TestPlanStats helloWorld = testPlan(
            threadGroup(1,1,
                    httpSampler("https://example.com")
                            .children(
                                    responseAssertion().containsSubstrings("Example Domain")
                            )
            ),
            jtlWriter("HelloWorld" + Instant.now().toString().replace(":","-") + ".jtl")
    ).run();
}

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🤔 But why?

• JMeter used to be a developer's tool
• After several enhancements and features, it became a tool for test engineers as well

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👍 What problem is JMeter DSL solving?

• making JMeter more Git friendly, developer friendly, and more productive
• CI/CD friendly
• extends JMeter's capabilities further

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✅ Features

• Advanced Thread Group configuration
• Debugging
• Reporting
• Extractions
• Logical Controllers
• Converters e.g. DSL to JMX
• Visualization

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Demo ⌛