Automated testing has become everybody’s key conversation topic due to the great benefits of automation testing in faster bug fixing and reduction of testing time, which translates into big test automation returns.

But what does automated testing mean and why would software engineers need it?

Definition and goals of automation testing

Automation testing involves utilizing technology and tools to test software with the purpose of: 

Tests are scripts that are run to check the characteristics of the written code. This stage of development is essential because testing allows running scenarios to see the relevance of produced results.

That’s precisely what you get: In case the results are not aligned with coders’ expectations, it flags the problem. Being automated, such tests can run through hundreds of test cases and scenarios in a matter of seconds.

Hence, writing a test for a code is the most reliable way:

  • to ensure the high code quality

  • to spot bugs before the product reaches the end-user.

The difference between automation testing and manual testing

Mostly, development teams heavily rely on manual testing when test cases are executed by testers carefully following predefined instructions. Then the results of testing are recorded and compared to the expected behavior.

Each time the source code changes, manual tests are repeated, which inevitably leads to errors and makes them difficult to execute on more than one platform.

Due to the fact that nowadays a majority of development projects are highly complex and time-dependent, manual testing runs short of delivering the necessary solutions.

Under such terms, the benefits of automation testing over manual testing become obvious, especially in areas where the speed of project execution is crucial (for instance, in delivering mobile development services). 

In spite of the complexity and sometimes overwhelming experience associated with a switch from manual to automated software testing, the benefits of doing so are numerous.

Types of automation testing and main ways of implementing automated testing

types of automation testing

Not to use the term ‘testing’ too generically, it’s worth differentiating several test case design automation types as they reflect on the benefits of test automation framework.

Unit testing

It implies a test for one isolated code component (a utility function, a class, etc.) for the purpose of ensuring the quality of coding and accuracy of its functionality.

How it works: It is possible to write a separate program for testing the unit, utilizing every piece of data that the code might encounter during normal use.

End to end testing

This type of testing is aimed at verifying a bigger part of the product’s functionality. Usually, the cost of such tests automation is quite high as it implies a full simulation of a user journey through an application. However, making this type of test automotive greatly benefits the development process in terms of quick and reliable validation of the system.

How it works: It checks the application as a whole. It can recreate the interactions that end-users could have with the mobile or web app, which means testing for the flow of features.

Integration testing

It refers to testing two or more units in integration to check their functioning and compatibility. While the integration testing is performed, the programmers can leverage tests in developing new features and keep code modifications under control.

How it works: In integration test cases, automation runs tests in parallel, which considerably reduces the total testing time.

Smoke testing

Smoke Testing checks whether the application is ready for its stable operation and for further load in the form of tests. The name refers to a situation in which a conventional engine in a car starts to smoke due to a heavy load. Smoke Testing checks the main features of the application and makes sure that they are ready to withstand the next rounds of testing.

Regression testing

Regression Testing is an iterative process, which is determined by the very nature of this type of testing. Regression testing is performed in order to check if the application is functioning correctly after making any changes. Since changes can be made constantly during the development stage, including based on the results of other types of testing, Regression Testing is a mandatory repeatable process.

Security testing

One of the most important types of testing due to the role cybersecurity plays in the modern world. Security Testing is aimed at checking all the protective mechanisms of the system for possible hacking and to make sure that the system's protection is working to its maximum.

Acceptance testing

One of the last types of testing before the product is released to the market. Acceptance Testing is done to imagine how end users will accept a product, system, or application when it is released to the market. The end-user checks the product in accordance with the Acceptance Criteria. The goal is to understand whether the final product corresponds to the business flow that was conceived or not.

Performance testing

One of the most important and mandatory types of testing. Performance testing is carried out in order to check how an application or system will work in real market conditions and under heavy load. At this stage, the two most important indicators are the stability of the application and its responsiveness. QA specialists must ensure that even under heavy load, the system will be able to deliver value to users consistently.

The most popular automation testing tools are open-source Selenium and licensed QTP, RFT, Silk Test, and Test Partner.

Test automation process includes the following steps:

  • Automation test planning

  • Test environment preparation

  • Detailed analysis of test cases

  • Test scripts writing

  • Test scripts checking and optimizing

Automation testing implementation checklist

test automation implementation checklist

To take a proactive approach in building effective automated testing strategies and meeting mobile test automation challenges, take the following automation testing steps and use these easy-to-follow tips:

  • Determine which tests you will automate. Make a choice in favor of the most frequently performed tests. This principle works if the code does not undergo major changes.

  • Select a testing framework. Frameworks you select will depend on the platforms you are testing for, as well as how you want to write and execute tests.

  • Choose a testing Infrastructure. Evaluate if your current infrastructure has the capacity to handle the extra load required for testing automatically.

  • Identify the best ways of incorporating automated tests into your CI/CD processes. Test managers should ensure that developers receive feedback when a test fails. Furthermore, test workflows should be integrated with continuous integration servers and release automation solutions.

  • Plan your analysis. In order to exclude the repeated mistakes, plan how the data about test results will be gathered, analyzed, and sent as feedback to developers.

Taking these steps will let you build an unbroken workflow and see the grand advantages of applying automation test framework best practices in the long run.

Major advantages of automation testing

automation testing advantages

Not to pay extra for fixing the bugs, it is essential that the development issues are addressed at the stage of testing, and bringing automation comes as the best solution since the benefits of automation tools in development are multiple and, in particular, include:

Creating the product less prone to breaking

The implementation of automated testing enables developers to create a product that is not prone to breaking. The stable operation of the application in modern conditions is one of the key factors in attracting new users and retaining existing ones. Any system failures and hiccups will invariably lead to a churn of users to competitors.

Building a stronger business portfolio

Automation best practices empower developers with feeling confident when it comes to the compliance of the product functionality with the customer requirements. Automated tests allow you to create better and more stable products that you can truly be proud of and that will take their rightful place in your company's portfolio.

Easy monitoring of quality metrics

The automated testing extensions and tools can be configured to measure a number of code quality metrics, including code coverage, code semantics, technical debt, and readability to provide developers and managers with valuable insights into more effective project management.

Reduction of maintenance costs

In case you aim at creating and further maintaining the product, testing plays a crucial role in the development as it implies a reduction of costs associated with service. There are situations in which product maintenance is not a separate stage in the development cycle. However, more often than not, maintenance is a key post-development phase, and it often remains either with the development company or its client. In both cases, a large number of errors and problems can seriously damage a company's reputation and shorten the entire product lifecycle. Automated tests allow you to insure against the maximum number of future problems and reduce maintenance risks.


Increased productivity

Automation brings an overall increase in business productivity as it contributes to lessening the burden on manual QA engineers and establishing a developer-focused environment. It makes a positive impact on the testing as a considerable segment of the development, thus, accelerating the work process in general.

Accuracy and reliability of deliverables

With the implementation of automated testing, developers can re-execute tests on multiple platforms and verify that the tests run as expected on every server, thus eliminating the possibility of a configuration issue.

Assistance to CI and DevOps

Test automation is at the heart of CI and DevOps systems. A Continuous Integration setup or a DevOps operation is unlikely to function without automated tests. Code commits are automatically tested and the results are reported back to the developers whose priority is to fix any tests that break the build so that the mainline code always works.

Improvement of load testing

Since automated testing makes it possible to run thousands of tests at the same time, it lets optimize the test speed and take an agile approach to load testing too. Developers can receive real-time feedback on load tests, as well as analyze bottlenecks or issues in development projects they are tasked with, so they can fix them ahead of time.

Considerable time saving with reusability

Though it takes a great deal of time and effort to set up automated testing cases, once you've automated them, you can reuse them again. It reduces the test execution cycle. In addition to being more cost-effective and less error-prone, automated tests require less labor and time than manual tests. However, everything here depends on the specific case. There are scenarios that are either not possible to automate at all or spending on automation is not justified.

Although automation testing is a great development facilitator, there are several disadvantages of its application in development that you should consider.

Disadvantages of automation testing

  • It can be difficult to estimate how much maintenance is needed upfront.

  • Maintenance of test data requires special solutions.

  • Being rigid, test scripts ideally suit recurring tasks but they are less applicable for complex case bugs.

  • Developing the working test scripts is costly.

  • It requires generous allocating time and human resources for launching the automation properly.

However complicated the automation stage is initially, Implementing automated testing and creating a flow of automation testing unlocks multiple advantages of testing software that bring businesses a higher profitability and help construct solid foundations in development. 

The Final Observation

The benefits of automation testing result from unionizing technology and tools for achieving the goal of reduced testing time and increased development efficiency with a guarantee. When you automate your testing process, you save time, money and resources while also delivering better quality products and, subsequently,  generating more revenue. To conclude, the observed trends fill with confidence in regard to linking the future of software testing to further implementation of automation best practices in software testing and their integrated role in custom software development services.

Which software is used for testing automation?

There are many test automation solutions on the market, but the most popular of all are undoubtedly Selenium 4, Silk Test, Test Partner, Robotium, and Cypress.

What is automation testing?

Test automation is the process of using software tools to automate manual human-driven processes that are part of the overall testing process for an application or any other product. Automated testing can significantly speed up the testing process and ultimately deliver a better product.

What are the benefits of automation testing?

Automated testing has many business benefits. Smart use of automated tests allows you to create a more reliable product that will consistently deliver value under the most unpredictable conditions. In addition, automated tests can significantly reduce the risk of critical issues in the future, thereby lowering the cost of the application maintenance phase. Finally, automated tests are an integral part of the DevOps methodology, allowing for Continuous Integration and Continuous Delivery.

Can automation testing replace manual testing?

Of course, automated tests have significantly reduced the number of manual testing processes carried out by specialists. However, it is impossible to completely supplant manual testing, since it is thanks to it that the application can still be tested in unique circumstances that cannot be taken into account in automated tests. As a result, the ideal application testing is a competent combination of manual and automated tests.

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