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Pm 6 testing
 

Pm 6 testing

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S/w Testing

S/w Testing

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    Pm 6 testing Pm 6 testing Presentation Transcript

    • Software Project Management Are we delivering right things
    • Why Testing is required • Delivered results should match with expected results • Testing strategy must include – Test Planning – Test Case Design – Test Execution – Resultant Data Collectionhttp://www.radiantminds.co.in
    • Verification & Validation • Verification – It is set of tasks that ensures that software correctly implements specific functions – “Are we building the product right” • Validation – It is set of tasks that ensures that the S/w that has been built is traceable to customer requirements – “Are we building the right product”http://www.radiantminds.co.in
    • V & V activities • Technical Reviews • Quality & Configuration audits • Performance monitoring • Documentation Reviews • Database Reviews • Algorithm Analysis • Usability Testing • Acceptance Testing • Installation Testing etc…http://www.radiantminds.co.in
    • White Box Testing • Developer is suppose to carry out this testing in which – All independent paths have been exercised at least once – Exercise all logical decisions – Executes all loops and boundaries – Exercise Internal Data structures – Condition Testing, Data Flow Testing, Loop Testinghttp://www.radiantminds.co.in
    • Black Box Testing • It focuses more on functional requirements of the software. Generally carried out by testers or Business Analysts – Requires domain knowledge – Data volume, System users – Various combination of data and its effect on the systemhttp://www.radiantminds.co.in
    • V process model Feasibility Study Review User User Requirements Acceptance System System Design Testing Program Program Design Testing Coding
    • Testing for Conventional S/w • Unit Testing – It applies to the smallest unit of S/w design like component or a module. – Module interfaces are tested – Information flow is tested – Data structures are tested – All control structures are exercised – Boundary conditions are tested – Error handling paths are testedhttp://www.radiantminds.co.in
    • Testing for Conventional S/w • Integration Testing – Putting and executing modules together – Data can be lost across an interface – One component has adverse effect on another – Combining sub functions – Variables and Memory management – Database and file design (Find out what is Top-down integration testing and Bottom-up integration testing)http://www.radiantminds.co.in
    • Testing for Conventional S/w • Regression Testing - Whenever there are any changes software needs to be tested again and again. If the changes are frequent then the efforts spent are much more. • Generally automation is done in these cases.http://www.radiantminds.co.in
    • Testing for Conventional S/w • Smoke Testing –It is an Integration testing approach, designed as a pacing mechanism for time critical projects. • Focus is more on testing critical functionality and not whole system.http://www.radiantminds.co.in
    • Alpha & Beta Testing • It is very difficult for S/w developer to foresee how the end customer will really use a program. • Alpha Test – Conducted by end-user at developer’s site. Developer is present during the testing. These tests are conducted in controlled environment. Developer records all the problems encounteredhttp://www.radiantminds.co.in
    • Alpha & Best Testing • Beta Testing – It is conducted at one or more users site. Developer is not present during testing. The environment is not controlled by the developer. It is like pre-live run. Customer records all the problems what is customer acceptance testing ?http://www.radiantminds.co.in
    • System Testing • Recovery Testing – Recovery from faults and resume processing with little or no down time • Security Testing – Protection from hackers, Un- happy Employees • Stress Testing – Increasing load on the system by Users, Data, Executing complex data calculationshttp://www.radiantminds.co.in
    • System Testing • Performance Testing - To confirm whether the performance requirements are met • Deployment Testing – Execution of software on variety of platforms and under more than one OS. It is also called as Configuration Testing.http://www.radiantminds.co.in
    • Testing Web Applications • Why it is complex ? • Dynamic UI • Navigation • Performance • Compatibility • Interoperability (Interface with other applications) • Securityhttp://www.radiantminds.co.in
    • Testing Web Applications • Hardware – CPU, Memory, Storage • OS – Linux, Mac, Windows, Mobile based OS • Browser – Firefox, Safari, IE, Chrome, Opera • UI Components – Active X, Java applets • Plug-ins – Quick Time, Real Player • Connectivity – Cable, WiFi, Modemhttp://www.radiantminds.co.in
    • Testing Interface • Links • Forms • Client-side scripting • Dynamic HTML • Pop-up windows • Streaming Contents • Cookieshttp://www.radiantminds.co.in
    • Usability Tests • Layout (easily finding required func.) • Readability • Interactivity (menus, buttons etc) • Aesthetics (Color, font, etc) • Display Characteristics (Use of screen size, Resolution etc..) • Personalization • Accessibility (for disable persons)http://www.radiantminds.co.in
    • Security Testing • Firewall • Authentication (Validation of clients and servers) • Encryption • Authorization Find out what is Vulnerability Testing? What is Spoofing ? Difference Between Load & Stress Testing?http://www.radiantminds.co.in
    • Parallel Testing - Why • To ensure that the processing of new application (new version) is consistent with respect to the processing of previous application version. • Demonstrate consistency and inconsistency between 2 versions of the application.http://www.radiantminds.co.in
    • Parallel Testing - How • Same input data should be run through 2 versions of same application system • Parallel testing can be done with whole system or part of system (module) • Verification is done through acceptance Testing & Stress Testinghttp://www.radiantminds.co.in
    • Parallel Testing - When • When there is uncertainty regarding correctness of processing of new application where the new and old version are similar. • Application of new patches • Change in Technology • Major application changes • Change in OShttp://www.radiantminds.co.in