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Guide to Agile testing

A guide for adopting Agile Testing. Gives the overall framework, principles and practices. Starts with Introduction to Agile Testing and then moves on to cover technical practices, HR and training needs which need focus during implementation of Agile Testing.

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Guide to Agile testing

  1. 1. Agile Testing – A Practitioner’s Guide S R V Subrahmaniam, Siemens Limited NGTC Conference (c)
  2. 2. Agenda Introduction Scrum Team Organization Monitors and status indicators Enabling factors Key Practices
  3. 3. Agile Testing Role of testers Testers objective is enable timely release of quality software. They find and verify bugs as part of this objective Test early Sensitise developers towards planned tests Focus on buggy or critical areas Automate alongside during Sprints Reduce # of open defects Collaborate with developers (reproducing defects, bug verification etc.) 3Agile In Business Conference (c)
  4. 4. Testing upfront moves the powers the project ahead Next Generation Testing Conference (c)
  5. 5. Test in parallel to SprintsTest within Sprint Crispin’s Agile Testing Quadrants Next Generation Testing Conference (c)
  6. 6. These tests will be in parallel to Sprints and defects will be fed into Product Backlog Testing activities within Sprint Sprint Test activities during Sprints - User Story testing - Sanity tests User stories - End-to-end scenarios - Load and Performance tests - Non Functional tests - Negative tests - Exploratory tests Test activities outside of Sprints 6Next Generation Testing Conference (c)
  7. 7. Parallel Testing Model Sprint 1 Sprint 2 Functional tested package Sprint 3 Dedicated test phases System & NFR test The Sprint build is taken up for End-to-end System tests, long running stability, load and performance tests, multiple enviornment tests, exploratory tests and negative tests. Defects System & NFR test ..... Product Backlog Hardening Sprints Next Generation Testing Conference (c)
  8. 8. Agenda Introduction Scrum Team Organization Monitors and status indicators Enabling factors Key Practices
  9. 9. Team Organization Testers are part of the Scrum Teams Testers activities are recorded and tracked as tasks in the Sprint Backlog Testers take part in all Scrum Ceremonies – including daily stand-ups One target for the unified Scrum team > to meet the Sprint objective Next Generation Testing Conference (c)
  10. 10. Test Organization Within Scrum teams - Testers part of the Scrum teams - Operationally reporting to Scrum Master; Officially reporting to Test Manager - Appraisal, Competency development taken care by Test Manager - Testers need to be good in inter-personal skills - Testers need to be aware of white box techniques, interpretation of logs, configuring and setting up parameters etc., System test team - Testers do not belong to Scrum teams - Testers report to Test Manager - Work on testing the software at System level and for non-functional requirements - Diversity in terms of technical skills is key. Each tester has to be a stand-alone expert in a chosen technical area as the breadth of testing would typically involve multiple areas 10Next Generation Testing Conference (c)
  11. 11. Agenda Introduction Scrum Team Organization Monitors and status indicators Enabling factors Key Practices
  12. 12. Co-location of test team members Developers, testers and product management teams sit in the same area. More face-to-face communication and less reliance on emails. Quick resolution of queries and open issues. 12Next Generation Testing Conference (c)
  13. 13. Critical success factors Management focus for moving towards Agile1 Visibility of the project status and key metrics for all stakeholders2 A possible dip in productivity initially and a rebound afterwards3 Facilitating the transition with suitable trainings and coaching4 Transition with new processes and tools in tandem5 Office layout to reflect the new work culture6 13Next Generation Testing Conference (c)
  14. 14. Incentivize expected behavior Innovative thinking Identification of potential issues / risks Free and open exchange of views Problem resolution by concerned parties Continuous improvement 14Next Generation Testing Conference (c)
  15. 15. Moving towards an Agile oriented culture Agile Culture Attention to detail Growth orientation Outcome Orientation People Orientation Team Orientation Innovation and risk taking 15Next Generation Testing Conference (c)
  16. 16. Moving towards team culture TeamsWorkgroups Goal Share Information Collective performance Synergy Neutral (sometimes negative) Positive Accountability Individual Individual and mutual Skills Random and varied Complementary 16Next Generation Testing Conference (c)
  17. 17. Agenda Introduction Scrum Team Organization Monitors and status indicators Enabling factors Key Practices
  18. 18. Nightly build & Automated test Next Generation Testing Conference (c) Code to verification cycle will be less than a day Automated suite should grow with every Sprint Focus on Critical functional areas for automated System test Image:
  19. 19. Manage Test environments • Have parallel or shadow (to system test) test environments for testing during Sprints • Focus on using simulators and test stubs where necessary Next Generation Testing Conference (c) Primary ST environment Shadow environments for use by Scrum Team
  20. 20. Evolving Definition of Done Complex Moderate Simple Functional tested System tested Production ready SystemComplexity Done Criteria 1 2 3 The gap between Sprint Done and being Production ready will be tested during the hardening sprints 1 2 3 Web application for internal use Device centric multi- environment thick client Domain centric external facing web application Next Generation Testing Conference (c)
  21. 21. Test throughout the Sprint Next Generation Testing Conference (c) Image: Agile Testing by Elisabeth Hendrickson The user stories are to be tested throughout the Sprint and not just when they are completed – and prevent clogging at the end
  22. 22. Reworking performance evaluation criteria Joint Responsibility Task accomplishment Technical expertise Mix of group performance and individual performance Innovation orientation 22Next Generation Testing Conference (c)
  23. 23. Re-skilling and competency building - Automation has to go hand in hand during the Sprints. - Automation engineers need to think beyond standard tools and look for custom built test automation suites working in tandem with standard tools Building self-organized teams Test Automation Tooling Problem solving Inter-personal skills - Identify areas where tools can be applied - Evaluation of new tools for data capture and analysis - Project planning and scheduling - Problem identification and evaluation of alternatives - Work scoping, constraint and risk management - Communication and Presentation skills - Team work - Negotiation skills Training areas Building technical Competence 23Next Generation Testing Conference (c)
  24. 24. Agenda Introduction Scrum Team Organization Monitors and status indicators Enabling factors Key Practices
  25. 25. Status Indicators The Contra indicators The positives • Key end-to-end and Non Functional requirements are tested early • Defects in Discussion / Clarification / Dispute mode are reduced • Developers (along with testers) doing informal testing in the test environment • Testers supply all the details need for developers for bug fixing: Logs, environment, data snapshot etc., • Team members develop cross-functional capabilities • Continous improvement in ways of working, technologies and tooling + • Conflict within teams • No perpectible improvement in team productivity or work output • Social loafing: Individuals masking their non-performance under a superior team performance • Increase in escape defects - Testers getting influenced by development team‘s thinking (?) • Testing in Mini waterfall mode within Sprints - 25Next Generation Testing Conference (c)
  26. 26. S R V Subrahmaniam, Siemens Limited NGTC Conference (c)