Sw Software QA Testing

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Transcript

  • 1. Software QA/Testing SW
  • 2. Software QA/Testing
    • Test Organization Structure
    • Software QA
    • Test Plans
    • Test Cases
  • 3. The Testing Process Function testing Module testing Subprogram testing Program testing Acceptance testing
  • 4. Small Team QA TL/QA Lead Test Engineer Developer Developer PM Small teams: -QA/Test part of the development team -QA tend to switch to developper
  • 5. Medium Size Organization QA Developer Developer PM Development TL Test Engineer Test Engineer QA Lead
  • 6. Large Organization QA QA Manager Test Engineer Test Engineer PM PM Development Manager
  • 7. The Software QA Process Unit testing Developer Subroutine, module, class, informally Source-code testing Technical reviews Program testing Developer Development team Test/QA team Line by line in a debugger Walk through inspection, code reading Test plan/Test cases Integration testing Developer of the new code Process type Responsible Description Test of the module after the insertion of the new code
  • 8. Defect Tracking
    • Defect ID - unique ID
    • Description - brief description of the defect
    • Platform type - CPU,memory, disk space, vide card, etc.
    • Defect’s current status - open/closed
    • Developer/QA who detected the defect
    • Date
    • Severity - 1-4
    • Phase creation/detection - RD, architecture, design, etc.
    • Date correction
    • Person who corrected it
    • Effort - in staff hours required to correct it
    • Work product - product corrected, RD, FSD, DD, TP/TC
    • Resolution - pending engineer fix, pending engineer review, pending QA verification, corrected, determined not to be a defect, unable to reproduce
    • Other notes
  • 9. Software QA Practices
    • Begin review early in the software project
    • Keep technical reviews focused on defect detection
    • Keep technical reviews technical
    • Keep track of what material has been reviewed
    • Record the defects detected during reviews
    • Verify that the works identified during the review is performed
    • Make review results public to the project team
    • Allow time in the schedule for reviews and correcting problems identified during reviews
  • 10. Build engineering
    • Large software organizations, multiple products
      • Build schedule
      • Release management
      • Build
      • Build testing
      • Delivery
  • 11. Test Plan Template
    • Overview - architecture of the program under test, test approach, goals, methodologies, arguments
      • Definition - table: terms and acronyms related to the testing plan
    • Bounds
      • Scope- what will be tested and what not
      • Setting- location where the test will be performed
    • Quality risks
      • Component testing - states, transactions, data flow, functionality, UI
      • Integration testing - APIs, error handling, functionality, UI, performance
      • System and acceptance testing - states, transactions, data flow coverage, functionality, UI, error handling, operations, reliability, date/time, localization, installation and configuration options, compatibility, documentation
    • Proposed schedule/milestones - milestones from the Gantt chart (high level deliverables)
      • Test Development and Configuration - Test plan complete, Test lab configured, Test suite complete
      • Testing - Phases - Test cycles
  • 12. Test Plan Template (cont)
    • Tracking
      • test tracking - list to manage the test cases, and the way the process is documented
        • Test suites table- sequence of test case for all the test suites
      • defect tracking - tool/database, classification and the way communication occurs (dev team, QA, mgmt)
    • Phases (1,2,3,4,5…) - for each phase, the criteria essential for beginning/completing various test phases
    • Release management - how a software component should be identified
      • release (revision) number- compatibility, os version, tested/not testes, test phase/cycle
    • Risks and contingencies
      • training needs
      • availability of additional development support
    • Change history - changes and revisions made to the test plan
    • Referenced documents
  • 13. Test Plan Phase Template
    • Entry criteria
      • documentation, specifications and requirements available?
      • subprogram/program ready (runnable)?
      • supporting utilities, accessories, prerequisites?
      • previous test phase completed?
      • lab, hardware, software, support ready?
    • Stopping criteria - conditions/events to suspend test execution
      • a entry condition could become unavailable
      • too many errors in the program
    • Exit criteria - when testing has been completed
      • all planned tests cases and regression tests have run
      • team/SwPM OK
    • Resources - People, Hardware allocation, Software, Networks, Lab space, other resources
    • Test Cycles - all test suites planned for a given phase
  • 14. Test Cases
    • Use Case Test - against a/several given usage/s
    • System & Acceptance Test - program as a whole, real data
    • Functional Test - functionality (module, program)
    • Structural Test - driven by the structure of the program
    • Boundary Test - test the boundary conditions
    • Requirements-based Test - test against the original requirements
    • Behavioral Test - a set of possible user actions
    • Fault-based Test - error input response
    • Regression Test - re-testing
  • 15. Distributed Testing A B A B A B B A A and B test different conditions A and B test the same conditions A and B test some similar conditions and some independent A test conditions cover B tests conditions
  • 16. Outside Beta Testing
    • Expert consulting
    • Reviews
    • Customer relationship building
    • Polishing the User Interface
    • Compatibility testing
    • General QA - as many testers as possible
  • 17. EN ISO 9000 Family - EC type CE Marking A Production Phase B C D E No notified body to take action - one or more tests on one or more specific aspects - random product checks Conformity with the type as described in EC - one or more tests on one or more specific aspects - random product checks H G Design Phase NB examination for every individual product (certificate of conformity) F NB intervention, approve and control QS. ISO9002 (production, final product inspection and testing) -production QA without Design NB intervention, approve and control QS. ISO9003 (final product inspection and testing) -production QA without Design NB controls conformity with the type - EC (certificate of conformity) -production QA without Design EC-type examination (certificate of conformity) NB intervention, approves and control QS. ISO 9001 (design, production, final product inspection,testing) -QA without Design