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As of 2024, 50% of global businesses have implemented cloud-native storage in production, with 47% utilizing code repositories. As businesses

The Art of Cloud-Native Testing: Strengthening Product Engineering

As of 2024, 50% of global businesses have implemented cloud-native storage in production, with 47% utilizing code repositories. As businesses continuously embrace cloud-native architectures to develop scalable, agile, and resilient apps, testing strategies have also had to change to keep up with the unique needs of such complex cloud-native environments. As per snyk’s report, 99% of companies accepted that security was of prime importance to their cloud-native strategy, 60% reported increased security issues linked with cloud-native methods, highlighting the requirement for comprehensive testing strategies.

From containerized infrastructures to microservices and serverless architectures, robust product engineering in the cloud demands a fresh perspective on testing. In this blog, we’ll explore crucial cloud-native testing strategies and cost-saving techniques that allow businesses to maintain high-quality testing without blowing their budget.

Containerize to Optimize: Tap Into the Power of Containerized Testing

Containerization has transformed how applications are built, deployed, and tested by creating isolated, lightweight, and consistent setups for development and quality assurance. As the name suggests, this method involves a testing environment that uses containers to create consistent environments for testing. This kind of containerized testing reduces the discrepancies between development and testing teams to ultimately enhance software quality.

Research has found a strong shift towards containerization for application deployment, with some suggesting that over 78% of production workloads are deployed as containers or serverless applications, while others state that nearly 60% of production workloads are deployed in containers. These numbers clearly indicate that containers continue to be the dominant mechanism for cloud-native application deployment.  Using containerization tools like Docker or Kubernetes, these environments allow developers to replicate production conditions with ease, ensuring reliable and reproducible testing.

While the benefits of this testing method are many, some of the key advantages include accelerated development cycles, scalability to test multiple configurations simultaneously, and seamless integration into CI/CD pipelines. Additionally, containerized testing enhances resource efficiency, minimizes conflicts between dependencies, and ensures compatibility across diverse platforms. All of the above points also help to cut down on costs, making containerized testing a cornerstone of modern DevOps practices.

The Microservices Testing Blueprint: Ensuring Reliability in the Cloud

With the increased usage of Cloud technology in applications, the need for optimal testing strategies has also increased in order to match the complexity of the cloud environment. Even though a concerning 60% of companies have voiced their security issues with cloud native strategies, 99% of the companies highlighted the importance of security in the first place. This conveys that comprehensive testing strategies are needed in order to satisfy the security concerns in detail.

Utilizing microservices advocates for increased flexibility and scalability in any organization. However, there also exists a fundamental flaw when dealing with cloud native technology and that is the intricacy of communication protocols, dependencies, and distributed systems. Consequently, a more strategic approach is warranted. This is the reason as to why microservice testing is deemed the most overwhelming yet meaningful step in the process, as this ensures the optimization of functionality, performance, and reliability of microservices in any given application.

Because every type of testing comes with its own advantages and disadvantages, acquiring sufficient knowledge on each will assist in providing enhanced quality assurance for microservices applications. Let’s look at the types of microservices testing:

1. Unit Testing:

This method involves testing individual microservices in isolation, focusing on verifying their specific logic, algorithms, and functions without external dependencies like databases or other services. By using mock objects or stubs to simulate these dependencies, unit tests are able to quickly detect and resolve bugs early in the development process, ensuring each microservice operates efficiently before integrating with other services.

2. Integration Testing:

This type of testing focuses on assessing the interaction between various microservices and their dependencies, if they are functional or not. By simulating real-world dependencies or using stubs for unavailable services, integration testing ensures microservices work together as intended within a larger system and that the application as a whole meets the desired requirements.

3. Contract Testing:

This testing technique in microservices ensures that services adhere to predefined communication contracts, typically in the form of API specifications, to prevent integration issues. This approach verifies that the consumer and provider of the service agree on the request and response structure, ensuring compatibility even as services evolve. By testing these contracts independently, contract testing helps detect breaking changes early, reducing the risk of failures during integration and ensuring smooth communication between services in a microservices architecture.

4. End-to-End Testing:

This kind of testing in microservices ensures that the entire system functions as expected by simulating real-world scenarios and workflows across multiple services. This technique tests the full integration of microservices, verifying that data flows efficiently, user interactions are processed seamlessly, and the system meets business requirements. By replicating end-user behaviours and system interactions, end-to-end testing helps identify issues that might arise when services work together, ensuring that the complete system delivers the desired outcomes.

Performance Testing in Dynamic Cloud Ecosystems

While cloud environments offer unparalleled scalability, that flexibility must be tested rigorously to ensure applications perform well under varying workloads. Without accurate performance information, cloud users could end up spending 10 times more on cloud resources than needed, stressing the need for effective performance testing methodologies.

This brings us to performance testing, an area that is of utmost importance in understanding how applications behave in the dynamic cloud infrastructure and ensuring applications deliver seamless and reliable experiences at scale. This software development process evaluates how a system performs under a specific workload. Unlike traditional setups, cloud environments introduce dynamic resource allocation, distributed architectures, and varying network conditions, all of which can impact performance. The key aspects that performance testing evaluates include scalability, to ensure the system can handle sudden traffic spikes; latency, to measure response times under different loads; resource utilization, to assess cost efficiency without sacrificing performance, and fault tolerance, to assess if the system maintains performance despite failures or resource constraints.

By simulating real-world scenarios, performance testing assesses the system’s responsiveness, stability, and other factors to quickly identify issues like slow page loads, extended wait times, and crashes. This also helps reduce downtime, which can be costly for businesses. By optimizing configurations, performance testing ensures that cloud-native applications meet both business objectives and user expectations.

Getting Cloud Costs Under Control: Cost Optimization Techniques for Cloud Testing

Like most things related to the cloud, even testing can be resource-intensive and costly if not managed effectively. The monthly cost of running a test environment’s application servers is about $350, while the cost of running a QA database is nearly $340. This means that running each QA environment costs approximately $8,300 annually!

By identifying inefficiencies, reducing waste, and reallocating resources to maximize value, cost optimization techniques enable businesses to maintain high-quality testing without breaking the bank.

Here are some strategies for cost control to keep in mind:

1. Auto-Scaling:

Configuring test environments to scale resources up for peak traffic simulations or scale down based on demand prevents over-provisioning and ensures you’re only paying for what you use. Tools like AWS Auto Scaling, Google Kubernetes Engine (GKE), and Azure Scale Sets can be used to dynamically adjust resources based on load.

2. Spot Instances:

Spot or preemptible instances act as an excellent cost optimization strategy for cloud testing, offering savings of up to 90% compared to on-demand instances. This strategy leverages unused cloud capacity at discounted rates and is ideal for non-critical or repeatable tasks that can tolerate occasional disruptions like regression testing or environment builds.

3. Environment Scheduling:

This powerful cost optimization strategy allows teams to reduce expenses by shutting down non-essential environments during off-peak hours to ensure you only pay for active usage. Automated scheduling tools like AWS Instance Scheduler or Google Cloud Scheduler can pause test environments overnight or on weekends when they are not in use to prevent unnecessary resource consumption. By aligning resource availability with actual testing needs, environment scheduling helps streamline costs without impacting productivity.

4. Monitor Resource Utilization:

By monitoring resource utilization with tools like AWS Cost Explorer, Azure Cost Management, and Google Cloud Billing, teams can identify inefficiencies and reduce waste. By tracking usage, teams can identify wasteful instances, oversized resources, or unused storage and take corrective measures like rightsizing or decommissioning. This proactive approach ensures optimal resource allocation, minimizes unnecessary expenses, and maximizes the value of cloud investments.

5. Optimize Test Case Prioritization:

As the name suggests, this approach ensures that high-value and critical tests are executed first. By prioritizing resources on tests with the biggest business impact or the most significant risks, teams can reduce time and resource usage on low-priority or redundant tests.

6. Use Open-Source Tools: 

Using open-source tools eliminates the need for expensive licensing fees while maintaining flexibility and quality in their testing processes. Tools like JMeter, Selenium, and Locust provide powerful solutions for load testing, browser automation, and performance monitoring and are highly customizable, enabling teams to tailor them to specific testing needs without additional costs.

Stride Digital Partners’ Cloud-Native Testing Strategies empower businesses to achieve resilient product engineering by integrating cutting-edge AI/ML services and seamless cloud infrastructure management. Our tailored testing solutions ensure scalability, reliability, and efficiency throughout the product life cycle. Leveraging advanced natural language processing and AI-driven insights, we unlock the potential of unstructured data to enhance decision-making. With our expertise in cloud migration, platform deployment, and IT infrastructure optimization, Stride empowers businesses to streamline operations, reduce costs, and accelerate innovation.

Conclusion

Robust product engineering in the cloud-native era requires testing strategies that match the speed, scalability, and complexity of modern architectures. By leveraging containerized environments, adopting microservices testing methodologies, focusing on performance testing, and implementing key cost optimization techniques, organizations can ensure their products are reliable, scalable, and cost-effective.

Ready to transform your testing strategies? Contact Stride Digital Partners today to future-proof your product engineering and deliver unparalleled customer experiences.