DZone

DECEMBER 24, 2021

Property-based testing (PBT) is such an established technology and it deserves more attention. Here I want to skip the nitty-gritty and focus in detail on its killer feature, which is the ability to warn when some change to production code is no longer sufficiently covered by a test suite.

Testing 346

Testing Java Technology Technology 346

DZone

JUNE 9, 2021

Whenever we need to do performance testing, mostly it is the APIs that come to mind. Testing the performance of an application by putting load on APIs or on servers and checking out various metrics or parameters falls under server-side performance testing.

Testing 336

Testing Performance Testing Metrics Servers 336

DZone

SEPTEMBER 18, 2023

This is an article from DZone's 2023 Automated Testing Trend Report. For more: Read the Report Artificial intelligence (AI) has revolutionized the realm of software testing, introducing new possibilities and efficiencies.

Artificial Intelligence 279

Artificial Intelligence Software Software Testing 279

DZone

AUGUST 4, 2024

Unit testing is the first line of defense against bugs. This level of protection is essential as it lays the foundation for the following testing processes: integration tests, acceptance testing, and finally manual testing, including exploratory testing.

Testing 288

Testing Software Software Code 288

DZone

MARCH 23, 2023

Development teams develop and test their features to the best of their abilities so that quality releases occur within a timeframe. The confidence matrix shown below depicts four main areas:

Testing 278

Testing Code Development 278

DZone

JUNE 12, 2023

Software testing is the demonstration of looking at the relics and the way the product behaves under test by approval and check. A business can appreciate and comprehend the risks of implementing software by receiving an objective, independent view of the software through software testing.

Software 328

Software Software Testing 328

DZone

AUGUST 29, 2021

In this blog post, we’ll examine one such case where we use the Sentry JavaScript SDK to instrument Jest (which runs our frontend test suite) and how we addressed the issues that we found. We decided to instrument our CI jobs at the test runner level in order to get insights into the performance of the individual tests.

Testing 335

Testing Performance Testing Metrics Systems 335

DZone

JULY 31, 2024

A/B testing is the gold standard for online experimentation used by most companies to test out their product features. Whereas A/B test experimentation works just fine in most settings, it is particularly susceptible to interference bias, particularly in the case of online marketplaces or social networks.

Testing 259

Testing Network 259

Dynatrace

OCTOBER 16, 2023

Synthetic testing simulates real-user behaviors within an application or service to pinpoint potential problems. Here’s a look at why this testing matters, how it works, and what companies need to get the most from this approach. What is synthetic testing? RUM, meanwhile, requires actual users.

Testing 246

Testing Best Practices Testing Tools Monitoring 246

Dynatrace

DECEMBER 18, 2023

Having laid the foundation during the deployment stage, we’ll now explore the benefits of Dynatrace visibility and orchestration during the testing phase. T he testing stage plays a crucial role in ensuring the quality of newly built code through the execution of automated test cases.

Testing 306

Testing Best Practices Performance Testing Engineering 306

DZone

JANUARY 24, 2024

This article presents the most recent Memphis.dev Cloud, multi-region benchmark tests conducted in December 2023, explores how to carry out performance testing, detailing hands-on methods you can apply yourself, and provides recent benchmark data for your reference. The benchmark tool we used can be found here.

Cloud 280

Cloud Benchmarking Testing Performance 280

DZone

NOVEMBER 23, 2023

Drawing from diverse projects and collaborations, I've identified common API testing challenges that transcend industries. Addressing Common API Testing Challenges Negative Testing A prevalent pitfall in API testing is the exclusive focus on positive scenarios.

Testing 276

Testing Development 276

DZone

FEBRUARY 20, 2023

Enough to make the business more scalable in a fly-by paralleling development, testing, and maintenance across various independent teams. Considering how different this approach is from the conventional monolithic process, the testing strategies that apply are also different.

Architecture 259

Architecture Testing Strategy Scalability 259

DZone

NOVEMBER 1, 2024

This $5 billion mistake could have been avoided with proper testing and quality assurance. Therefore, it is crucial to have efficient testing strategies in place. When users worldwide woke up to their Windows devices inoperable, they feared they had fallen victim to the largest cyber-attack ever seen.

Software 100

Software Software Testing Strategy 100

DZone

JUNE 20, 2023

Like all cloud-native technologies, Kubernetes can be a challenge to test locally. On many of our projects, developers often use Docker-compose instead of Kubernetes to test their applications locally, which inevitably causes some friction when deploying them to a cloud environment.

Testing 276

Testing Azure AWS Cloud 276

The Netflix TechBlog

FEBRUARY 13, 2024

by Moshe Kolodny In this post, we’re excited to introduce SafeTest, a revolutionary library that offers a fresh perspective on End-To-End (E2E) tests for web-based User Interface (UI) applications. Inability to test CORS setup or GraphQL calls. Complex and unintuitive authoring and debugging of tests.

Testing 253

Testing Code Servers Testing Tools 253

DZone

DECEMBER 27, 2023

As organizations increasingly embrace the microservices approach, the need for a resilient testing framework becomes important for the reliability, scalability , and security of these distributed systems. Resilience refers to the ability to withstand, recover from, or adapt to challenges, changes, or disruptions. What Is MRTF?

Testing 228

Testing Scalability Architecture Design 228

DZone

MARCH 9, 2023

If we want to test the configuration, we need to play log events in as if the system was really running, which means realistic logs at the right speed so we can make sure that our configuration prevents alerts or mail storms.

Monitoring 245

Monitoring Testing Open Source Speed 245

DZone

FEBRUARY 28, 2024

This defense is referred to as penetration testing. Together, we’ll explore the relevance of penetration testing in strengthening cyber security and its different capacities in preserving a secure framework amidst the ever-changing security environment.

Testing 262

Testing Strategy Infrastructure Development 262

Dynatrace

OCTOBER 23, 2024

A proactive approach to analytics One of several reasons to observe real user behavior instead of running synthetic tests is that modern applications serve different and individualized content. Eliminate finger-pointing as end-to-end visibility connects the data points across departmental needs.

Analytics 286

Analytics Logistics IoT Mobile 286

DZone

MARCH 1, 2023

“A small group of developers and I gathered to design and build a new internal tool and saw an opportunity to do more. We saw ourselves building something more substantial than another internal tool through that process.

Social Media 274

Social Media Media Testing Website 274

DZone

OCTOBER 11, 2024

Therefore, real online traffic is crucial for server-side testing. While many use TCPCopy for testing in their projects, they may not fully understand its underlying principles. It is now difficult to rely solely on the personal experience of developers or testers to cover all possible business scenarios.

Traffic 182

Traffic Open Source Internet Internet 182

DZone

JANUARY 2, 2025

To achieve this level of quality, they rely on a range of practices, including thorough testing, code reviews, automated CI/CD pipelines , and component monitoring.

Database 223

Database Speed Efficiency Monitoring 223

Dynatrace

FEBRUARY 27, 2025

In 2025, we expect to see the first releases, so youll be able to test out this innovative technology. The specifications for OTLP and semconv for profiling are advancing rapidly, and an experimental Collector support has been developed. Most notably, a Continuous Profiling agent based on eBPF has been donated to the OpenTelemetry project.

Tuning 310

Tuning Open Source Innovation Monitoring 310

DZone

AUGUST 12, 2024

Istio is the most popular service mesh, but the DevOps and SREs community constantly complain about its performance. Istio Ambient is a sidecar-less approach by the Istio committee (majorly driven by SOLO.io) to improve performance.

Benchmarking 247

Benchmarking Performance Testing Performance DevOps 247

The Netflix TechBlog

JUNE 14, 2023

The three strategies we will discuss today are AB Testing , Replay Testing, and Sticky Canaries. To launch Phase 1 safely, we used AB Testing. To launch Phase 2 safely, we used Replay Testing and Sticky Canaries. We knew we could test the same query with the same inputs and consistently expect the same results.

Traffic 357

Traffic Latency Metrics Cache 357

DZone

MARCH 26, 2025

Transitioning to more advanced testing practices can turn the tide and positively impact operational productivity due to early defect detention, increased test coverage, and better software stability, allowing businesses to economize, ship high-quality IT solutions faster, and elevate end-user satisfaction.

Software 147

Software Software Innovation Speed 147

Dynatrace

NOVEMBER 29, 2024

The Dynatrace SDL includes penetration testing, red teaming, continuous threat modeling and risk assessments, a public bug bounty program, and vulnerability scans. Dedicated storage and unique encryption keys for each tenant Dynatrace introduces a fundamental improvement in how each customer’s tenant data is kept separate.

Storage 246

Storage AWS Azure Architecture 246

The Netflix TechBlog

MAY 4, 2023

This blog post will provide a detailed analysis of replay traffic testing, a versatile technique we have applied in the preliminary validation phase for multiple migration initiatives. In this testing strategy, we execute a copy (replay) of production traffic against a system’s existing and new versions to perform relevant validations.

Traffic 347

Traffic Latency Tuning Systems 347

DZone

APRIL 8, 2025

A detailed website QA checklist helps make sure every aspect of the website is tested, whether through manual or automated testing approaches. By following the website QA checklist, testers can test the website step-by-step, making sure everything works well without any bugs.

Website 130

Website Testing Performance 130

The Netflix TechBlog

JUNE 1, 2023

In this blog post, we’ll discuss the methods we used to ensure a successful launch, including: How we tested the system Netflix technologies involved Best practices we developed Realistic Test Traffic Netflix traffic ebbs and flows throughout the day in a sinusoidal pattern. Basic with ads was launched worldwide on November 3rd.

Traffic 349

Traffic Best Practices Systems Testing 349

DZone

APRIL 1, 2025

Chaos engineering is a useful way to test and improve system resilience by intentionally creating controlled failures. However, it can be costly due to resource usage, monitoring needs, and testing in production-like environments. However, their complexity can lead to unexpected failures.

Engineering 130

Engineering Virtualization Scalability Architecture 130

DZone

SEPTEMBER 20, 2021

Learning any performance testing tool could be challenging. If you consider almost any performance testing tool, it will not execute JavaScript. If you are reading this blog post, most probably you are planning or already planned or just getting started with Apache JMeter. JMeter Is Not a Browser.

Testing Tools 334

Testing Tools Performance Testing Testing Performance 334

DZone

MARCH 4, 2025

In this guide, Ill share battle-tested strategies to optimize React apps , sprinkled with real-world war stories and practical examples. Buttons lag, pages take forever to load, and users start bouncing. Sound familiar? Ive been in that exact spot debugging performance issues at 2 AM, fueled by coffee and frustration.

Performance 147

Performance Strategy Testing 147

DZone

MARCH 24, 2025

The post-mortem revealed the harsh truth: wed never tested failure scenarios. A sudden spike in traffic caused Lambda timeouts, API Gateway threw 5xx errors, and customers started tweeting, Why cant I check out?! Our resilient serverless setup had no fallbacks, retries, or plans for chaos.

Lambda 147

Lambda Serverless AWS Engineering 147

DZone

JUNE 28, 2021

For gaining maximum benefits out of automation testing , testers require hands-on experience in a minimum of one automation programming language. Which Automation Programming Language Is the Best for Testing? There are numerous programming languages available today, with new ones continuously emerging.

Programming 363

Programming Artificial Intelligence Blockchain Java 363

Dynatrace

DECEMBER 18, 2024

Disclaimer: This publication may include references to the planned testing, release, and/or availability of Dynatrace products and services. Drive efficiency and get more value out your logs with this predictable pricing model while youre building your log analytics practices.

Analytics 246

Analytics Best Practices Efficiency Storage 246