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Which is better – Automation Testing Vs Manual Testing?

We are happy to bring the first blog of our automation blogs series. In this blog, you will read about various aspects of automation and its vital role in the software lifecycle.

What is Automation testing?

Automation testing is the process of performing software testing activities with little or no human interaction, in order to achieve greater speed and efficiency. Automation testing is not a replacement for manual testing. Test automation focuses on continuously detecting bugs in the system similar to that of manual testing.
A web or mobile automation process automates the repetitive and functional parts of the software testing process, but not the entire process. Automation, in any field, brings in the benefits of increased productivity and reduced costs. Due to the consecutive development cycles, more and more functionalities must be tested, validating all the combinations is not actually possible in manual with respect to time and cost.

Benefits of Test Automation

When to implement automation?

For simple projects, it is better to use manual testing, however, when project size is large, long-term automation can save time and in a lot of cases coverage and even money!

  1. When the cost makes sense
  2. When you are using repetitive tests
  3. When time will be saved
  4. When quality is sure to be improved
  5. When tests are run frequently
  6. When you need to run multiple tests at once

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What is the difference between automation and manual testing?

Here’s a quick differentiation in manual and automation testing. Remember, the initial effort for automating tests is usually greater than doing manual tests.

Parameter Manual Testing Automated Testing
Define Test cases executed by human testers and software. Tester makes use of automated tools to execute the test case.
Processing Time Time consuming and requires more human resources. Faster than manual approach
Initial Investment The initial cost is less, and ROI gets low in the long run. The initial investment is higher, and ROI gets better in the long run.
Exploratory Testing It is possible in manual testing. It does not allow random testing.
UI Change  A small change in execution doesn’t affect manual testing. Any change in UI needs to be modified to work as expected.
Reliability The results are not accurate as there are chances of human errors. It is a reliable method as there’s no testing fatigue.
Investment Human resources require investment. Automation tools require investment.
Cost-Effective High volume regressions are not cost-effective. Low volume regressions are not cost-effective.
Test Report Visibility It usually records in Excel, and test results are not readily available. With automation testing, all can log in to the automation system and check test results.
Batch Testing It cannot batch Can allow batching multiple test scripts for nightly execution.
Setup It needs a simple test execution setup. It requires a less complicated test execution setup.
Programming Knowledge Not required It is mandatory.
Engagement Repetitive test execution is tedious and error prone. It is accurate and done using tools.
Framework  It does not use a framework but may use a checklist and guidelines to draft certain test cases. It uses frameworks like Data Drive, Hybrid, and keyword to accelerate the automation process.
Ideal Approach It is used when the test case needs to run once or twice. It is used when we need to execute the same set frequently.
Deadlines Comes with a higher risk of missing a pre-decided test deadline. Comes with zero risks of missing out a pre-decided test.
Build Verification Testing It’s tough and time-consuming in manual testing. It’s useful for build verification testing.
DevOps It helps to defeat the automated build principle of DevOps and understand devOps benefits. Helps to build verification testing as an integral part of the DevOps cycle.

Manual Vs Automated Testing

What are some of the best automation testing tools ?

Top 3 Open-Source Tools

1. Selenium: Selenium is the biggest open-source automation testing suite that has been making testing seamless for browsers and API etc. It is widely used for testing certainly but not limited to just that. Boring web-based administration tasks can (and should) also be automated as well.

2. Cucumber: Cucumber is a behavior-driven development tool. It is typically preferred by non-technical teams (business stakeholders and testers). It is used to write acceptance tests for web applications.

3. Cerberus Testing: Cerberus Testing is an open-source low-code test automation platform that supports testing Web, iOS, Android, and API (REST, SOAP, and Kafka) applications. The platform allows the creation of automated test cases through an easy-to-use web interface without any need for development skills.

Top 3 Paid tools

1. HP UFT (aka QTP): Micro Focus Unified Functional Testing (UFT)/QTP is Intelligent test automation with embedded AI-based capabilities that accelerates testing across desktop, web, mobile, mainframe, composite, and packaged enterprise-grade apps.

2. ACCELQ: Accelq is a comprehensive test automation solution built on a codeless architecture. accel Q adapts the concept of Lifecycle Automation, where automation is fully integrated with the test lifecycle rather than being a technical silo. All aspects of the test cycle such as test design, development, execution, and analysis are automated. It is offered both on SAAS and On-Premise models.

3. Katalon: Katalon Studio is an automation testing solution built on top of the open-source automation frameworks Selenium, Appium with a specialized IDE interface for web, API, mobile, and desktop application testing.

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ROI of Test Automation

The ROI of Automated testing seems to be very low initially because automation is expensive for the first time. ROI keeps increasing as the manual effort in testing the software, lowers from the iterations of the second release and later keep increasing for next releases.
We will be coming soon with one of most used open- source tools Selenium & its various frameworks and why do we need it, also covering its successful implementation to our various projects and its on-going executions.
You can read more about our value-driven QA engineering and test automation services here.

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