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In an increasingly fast-paced digital environment where software is rolled out rapidly and regularly, quality assurance cannot be left behind. That's where automation testing becomes relevant. Automation testing speeds up the testing process, enhances accuracy, and assures consistency, enabling organisations to roll out strong software at scale. But what then is automation testing, how is it done, and when should you implement it?
Automate testing, which means the activity of utilising expert software tools to run pre-recorded tests on a software program automatically. Rather than running test cases manually every time there is a modification made, automation testing enables teams to repeatedly run tests quickly and efficiently. It also guarantees that new code alterations do not cause previous functionality to be destroyed (regression testing) and that the application functions as it should
Automation testing offers a multitude of benefits over manual testing, particularly in long-term and large-scale projects.
| Feature | Manual Testing | Automation Testing |
|---|---|---|
| Method | Execution Done by humans | Done by tools/scripts |
| Speed | Slower | Much faster |
| Accuracy | Susceptible to human error | Very accurate |
| Cost | Lower initial cost | Higher initial cost, but less expensive long-term |
| Reusability | Must be re-run each time | Test scripts can be reused |
| Scope | Ideal for exploratory, UI, or ad-hoc testing | Ideal for regression, load, and repetitive tests |
| Maintenance | Maintenance for one-time tests | Must update scripts with application changes |
| Skill Required |
You must not automate all tests. You should automate those tests that are:
Automation testing can be used for different levels and types of testing:
The correct test automation tool relies on several factors:
Automation testing is a complete game-changer for software development in the modern age. It offers velocity, precision, and effectiveness in the testing cycle, which makes CI/CD pipelines indispensable. Yes, it needs an investment in terms of time and tools upfront, but the long-term dividends in terms of quality and productivity are irrefutable. With the right choice of tools, automation of the correct tests, and regular maintenance, teams can realise the complete benefit of automation testing.
What are the skills required for automation testing?
To be effective in automation testing, one should have:
Knowledge of software testing principles
Understanding of automation tools like Selenium, Cypress, or JMeter
Basic programming skills (Java, Python, JavaScript, etc.)
Familiarity with version control (Git)
Experience with CI/CD tools (Jenkins, GitLab)
Understanding of test frameworks and scripting logic
Does Automation Testing require coding?
Yes and no. Advanced tools such as Selenium do demand scripting and programming skills. But most contemporary tools, such as Katalon Studio, Testim, or Tosc, provide low-code or no-code functionality, allowing even non-programmers to automate testing.
What is the greatest challenge of automation testing?
The largest problem is test script maintenance. The more applications change, the more likely automated tests are to become obsolete or brittle. Maintaining them in sync with modifying business logic, UI changes, and application updates is an ongoing task. Also, selecting the appropriate tool and developing stable, reusable tests can prove tricky for a newbie.
| Basic testing knowledge |
| Programming or tool-specific skills |
