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Unit 13
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Essay of 46 pages for the course BTEC IT Level 3 Unit 13 Software Testing at PEARSON (sdf)
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Software Testing,What is software testing?
Software testing is a method to check whether the actual software
product matches expected requirements and to ensure that
software product is Defect free. It involves execution of
software/system components using manual or automated tools to
evaluate one or more properties of interest. The purpose of software
testing is to identify errors, gaps or missing requirements in
contrast to actual requirements.
The benefits of testing include preventing bugs,
reducing development costs and improving performance.
,Functional Testing
There are 2 main types of software testing which is functional
and non-functional testing.
Functional testing is testing the application against the
business requirements. It incorporates all test types designed to
guarantee each part of a piece of software behaves as expected by
using uses cases provided by the design team or business analyst.
Non-functional testing is testing to check non-functional
aspects (performance, usability, reliability, etc) of a software
application. It is designed to test the readiness of a system as per
non-functional parameters which are never addressed by functional
testing.
, Testing Types
Functional testing includes:
Unit testing - It is the process of ensuring individual components of
a piece of software at the code level are functional and work as
they were designed to.
Integration testing - testing where individual units are combined
and tested to verify if they are working as they intend to when integrated
System testing - evaluates the completed and integrated system, as a
whole, to ensure it meets specified requirements
Acceptance testing - assess whether or not the final piece of software is
ready for delivery.
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