SOFTWARE TESTING

 Software Testing
Need for Testing:
1) Correctness
 2) Completeness
 3) Maintenance
 4) Quality
 5) Meet the Requirements

Methods of Testing: (Manual, Automation, Tools)
1) White box testing
                a) Logical analysis of the software
      b) Trace all possible paths
 2) Black box testing:
                Functional analysis:  Internal structure need not be known.

Documents Used:
Test Specification  -> Items to be tested
 List of test cases      -> Sets of conditions to be tested
 Test Plan -> Scope, approach, resources and schedule

Test Case Design Principles:
1) Top-Down
 2) Bottom-Up

Guidelines:
1) Design & Test Critical Modules
 2) Carry out incremental test
 3) Carry out incremental UI testing

Levels of Testing:
1) Unit testing -> each unit (or) functionality testing
 2) Integration testing -> module integration testing
 3) System testing -> testing the entire software

Defect:
        1) Show Stopper
        2) Critical
        3) High
        4) Medium
        5) Low

Documents:
        1) TM - Traceability Matrix
        2) DAR - Defect Analysis Report
        3) RCA  - Root Cause Analysis

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