Software Testing is an investigation conducted to provide stakeholders with information about the quality of the product or service under test.

Software testing can also provide an objective, independent view of the software to allow the business to appreciate and understand the risks of software implementation. .It is the important part of any software .If it doesn’t happed that means client will face a problem.

The software testing life cycle consists of various testing activities that need to be carried out to validate if the software meets the required design specification. It also explains which testing activity needs to be carried out and when.

The software testing life cycle consists of a series of stages through which a software product goes through and describes the various activities pertaining to testing that are carried out on the product.

Software Testing Life cycle
Phase	Activities	Outcome
Planning	Create high level test plan	Test plan, Refined Specification
Analysis	Create detailed test plan, Functional Validation Matrix, test cases	Revised Test Plan, Functional validation matrix, test cases
Design	test cases are revised; select which test cases to automate	revised test cases, test data sets, sets, risk assessment sheet
Construction	scripting of test cases to automate,	test procedures/Scripts, Drivers, test results, Bugreports.
Testing cycles	complete testing cycles	Test results, Bug Reports
Final testing	execute remaining stress and performance tests, complete documentation	Test results and different metrics on test efforts
Post implementation	Evaluate testing processes	Plan for improvement of testing process