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End-to-end testing

As modern applications have become more complex and distributed, their performance is highly interconnected with and dependent on other systems. Before releasing an application, DevOps teams must not only ensure that all the components of the software work, but that the application successfully integrates with other systems and effectively communicates with hardware, networks, and databases. That’s where end-to-end testing offers tremendous value.

What is end-to-end testing?

End-to-end testing evaluates an application’s performance from the beginning to the end of a user workflow. It tests a variety of usage scenarios to ensure that the software works as expected and meets specifications and requirements. End-to-end tests take place in a production environment or in an environment that is as close as possible to a real-world scenario.

Because modern applications are highly interconnected with other systems, end-to-end tests are designed to see how software performs as it communicates with hardware, networks, databases, and other applications. End-to-end testing occurs after the completion of other phases of the software testing lifecycle, including integration testing and system testing.

End-to-end tests enable DevOps teams to accomplish several critical tasks as they prepare to release software.

  • Identifying issues in distributed environments. As organizations increasingly rely on cloud services, applications can be highly distributed. End-to-end testing is designed to pinpoint problems related to communication across multiple environments.
  • Validating behavior in multi-tier systems. In addition to evaluating the overall function of an application, end-to-end testing can determine whether an application is functioning correctly in individual layers.
  • Ensuring a quality user experience. End-to-end tests help determine whether an application performs as users want and need it to, and whether the user experience is consistent across various platforms, environments, and devices.
  • Validating back-end functionality. In addition to front-end functionality, end-to-end tests determine whether the back-end and database layers perform critical functions as expected.

How to perform end-to-end testing

End-to-end tests are conducted in a series of essential stages.

  1. Planning. Review software requirements to understand how the application is intended to perform in a variety of workflows and how it should respond in different scenarios
  2. Design. Establish a testing environment that will evaluate how well the software meets all requirements, designing test cases to test each workflow
  3. Execution. Run tests and document the results
  4. Analysis. Review the results of tests, evaluate the effectiveness of testing methods, and conduct additional tests if necessary
  5. Automation. Automating end-to-end tests can reduce the time and cost required for testing while making it easier to incorporate tests into a continuous integration pipeline
steps of end-to-end testing: planning, design, execution, analysis, automation

End-to-end testing metrics

Essential metrics involved in end-to-end testing include:

  • Test case preparation status. Progress on preparing and planning test cases should be regularly tracked to ensure that testing is moving forward at an acceptable pace.
  • Test progress. Tracking test progress weekly provides development teams with critical information about tests that have been executed, whether the applications passed or failed, or whether the tests were rendered invalid.
  • Status report on defects. Defects that are discovered during testing should be logged daily and prioritized by severity. These metrics should also track the percentage of open and closed defects based on severity and priority, helping DevOps teams organize remediation efforts more efficiently.
  • Test environment time. These metrics track the time allotted for the duration of the test environment as well as the amount of time actually required by testing, helping testers plan and allocate resources effectively for future tests.

Benefits of end-to-end testing

Higher quality software
End-to-end testing validates every aspect of an application’s performance. By rigorously testing the application from a user’s perspective under real-world conditions, DevOps teams can improve the quality of each iteration of the software.

Faster time-to-market
By enabling DevOps teams to find and fix performance issues more quickly and easily, end-to-end testing enables organizations to accelerate speed-to-market.

Lower costs
When end-to-end testing is managed and completed with an automated software testing solution, it can reduce recurring errors and minimize the need for, and costs of, repeated testing.

benefits of end-to-end testing: higher quality, faster time-to-market, lower costs

End-to-end testing with Tricentis Tosca

Tricentis offers a fundamentally different way to approach software testing, providing solutions that are totally automated, fully codeless, and intelligently driven by AI. By reducing testing times to minutes or hours rather than days or weeks, Tricentis increases enterprise risk coverage, drives massive gains in speed and efficiency, and dramatically accelerates digital transformation, application delivery, and cloud migration.

Tricentis Tosca provides a market-leading approach to test automation – one that is AI-powered, no-code, and end-to-end so it can test everything in your complex IT landscape, and ensure your business processes work flawlessly – no matter where changes occurs. Its 160+ technology support means you can test virtually any legacy, custom, enterprise and mobile application across your entire IT landscape. Tosca’s unique risk optimization and model-based approach enable you to test 12x faster, reduce risk by 85% while cutting your overall testing costs by 40%. Because these tests are model-based, your business, QA and IT teams can easily work together to create and maintain reusable test assets at speed and scale, while delivering faster business results with more confidence.

With Tricentis Tosca, you can:

  • Test sooner. Achieve extreme shift left testing, by building tests based on mockup designs and automating tests before any code is written. You can also leverage service virtualization to accelerate testing by eliminating the challenge of unavailable systems or services that are costly, difficult to access or have not yet been built.
  • Test smarter. Using next-generation AI-powered test automation technology, Tosca lets you keep up with application changes regardless of the underlying platform, avoiding massive rework as applications evolve.
  • Test with everyone. Tosca makes test automation easy, allowing business analysts and subject matter experts to contribute regardless of their skill level.

Along with Tosca, Tricentis offers a suite of testing solutions from unified test management, end-to-end data integrity testing, app-native testing, performance and load testing, including smart impact analysis.

FAQs

What is end-to-end testing?

End-to-end testing is the practice of evaluating all aspects of an application as it will be used by real-world users. End-to-end testing occurs after integration testing and system integration testing which determine that all the various components of a software system work correctly together. Because enterprise IT landscapes are highly complex and interconnected with other systems, end-to-end testing is necessary to ensure a complete system or application interacts correctly with different dependent systems and apps from start to finish for a core enterprise business process.

What are the benefits of end-to-end testing?

End-to-end testing determines whether an application’s dependencies are functioning and whether it communicates with other hardware, databases, applications, and systems as required. As a result, end-to-end testing measures the overall performance of an application and may catch errors and issues that other tests cannot.

What is end-to-end testing vs. system testing?

End-to-end testing is sometimes confused with system testing. A system test checks a specific software system and its functionality to determine whether an application meets the required specifications. An end-to-end test checks both the application and the systems to which it is connected, ensuring that the behavioral flow of the software works as intended.

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