Automation testing vs Manual testing

What is Manual Testing?

Manual testing is testing of the software where tests are executed manually by a Quality Assurance Analyst. It is performed to discover bugs and errors in software under development.
In Manual testing, the tester checks all the necessary features of the given application or software. In this process, the software testers execute the test cases and produce the test reports without the help of any automation software testing tools.
It is a classical method of all testing types and helps find bugs and errors in software systems. It is generally organized by an experienced tester to accomplish the software testing process.

What is Automation Testing?

In Automated Software Testing, testers write test scripts to automate test execution. Testers use proper automation tools to develop the test scripts and validate the software. The objective is to complete test execution in less amount of time.

Automated testing entirely relies on the pre-scripted test which runs automatically to relate actual results with the expected results. This helps the tester decide whether or not an application performs as expected.

Automated testing permits you to execute repetitive tasks and regression tests without the intervention of a manual tester. Even though all processes are executed automatically, automation requires some manual effort to create initial testing scripts.        

Key Difference:

  • Manual Testing is done manually by a Quality Assurance analyst (Human) whereas Automation Testing is done with the use of script, and automation tools (computer) by a tester.
  • The manual Testing process is not precise because of the possibility of human errors whereas the Automation process is reliable because it is script based.
  • Manual Testing is a time-consuming process whereas Automation Testing is very fast.
  • Manual Testing is done without programming knowledge whereas Automation Testing is not done without programming knowledge.
  • Manual Testing permits random Testing whereas Automation Testing doesn’t permit random Testing.

Advantages of Manual Testing:

  • Get fast and precise visual feedback
  • It is not costly as you don’t need to spend your budget on the automation tools and process
  • Human judgment and intuition always help the manual element
  • While testing a minor change, an automation test would require coding which could be time-consuming. 

Advantages of Automated Testing:

  • Automated testing supports you to find more bugs compared to a human tester
  • As most of the part of the testing process is automated, you can have a speedy and effective process
  • The automation process can be recorded. This permits you to reuse and execute the same 
  • kind of testing operations
  • Automated testing is administered using software tools, so it works without tiring and fatigue unlike humans in manual testing
  • It can easily increase productivity because it provides fast & exact testing result
  • Automated testing helps various applications

Testing coverage can be improved because automation testing tools never overlook checking even the smallest unit

  • Test scenario
  • Test scenario

Aspects  Automation TestingManual Testing
    Definition  When an application or software is tested with the support of some tools is known as automation testing.
Whenever multiple releases or is going on the application or software, we will go for automation testing.
It is a type of software testing, which is completed by the test Engineer to check the functionality of an application based on the customer requirement.
  ReliabilityIt is reliable because it tests the application with the support of tools and test scripts.It is reliable because it tests the application with the support of tools and test scripts
  ReusedThe script can be reused through multiple releases.It could be possible when the test case only require to run once or twice
  Time savingThe execution is always quicker than the manual; that’s why the automation testing process is time-saving.It is time consuming due to the usage of the human resources.
  FrameworkThe automation test engineer can use the different types of frameworks like Data driven, modular driven and keyword-driven to quicker the automation process.No need a framework.

Steps of Manual Testing:

  • Evaluate requirements from the software requirement specification document.
  • Create a clear test plan.
  • Write test cases that cover all the requirements defined in the document.
  • Get test cases reviewed by the QA lead.
  • Execute test cases and detect any bugs.

Steps of Automated Testing:

Step 1: Defining the Scope.

Step 2: Select a Testing Tool.

Step 3: Planning, Designing, and Development.

Step 4: Executing Test Cases and Building your reports.

Step 5: Maintaining previous test cases.              

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