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If You Can't Kill a Supermutant, You Have a Problem

Rahul Gopinath
April 09, 2018
Research
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220

If You Can't Kill a Supermutant, You Have a Problem

Mutation Workshop 2018

Rahul Gopinath

April 09, 2018
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Transcript

  1. 9. April 2018 Rahul Gopinath, Björn Mathis and Andreas Zeller

    If You Can't Kill a Supermutant You Have a Problem 1

  2. Mutant Kill Matrix 2

  3. Mutant Kill Matrix 2

  4. Mutant Kill Matrix 2

  5. Mutant Kill Matrix 2

  6. Mutant Kill Matrix 2

  7. Mutant Kill Matrix 2

  8. Mutant Kill Matrix 2

  9. Mutant Kill Matrix 2

  10. Mutant Kill Matrix 2 Enormous Amount of Test Executions

  11. Supermutants - Coverage Adequate Test Suite 3

  12. Supermutants - Coverage Adequate Test Suite 0 % 25 %

    50 % 75 % 100 % Full Suite (7 Tests) Coverage Adequate 0 % 25 % 50 % 75 % 100 % Full Suite (7 Tests) Coverage Adequate 3

  13. Supermutants - Coverage Adequate Test Suite 0 Coverage Adequate Tests

    0 % 25 % 50 % 75 % 100 % Full Suite (7 Tests) Coverage Adequate 0 % 93 % 0 Coverage Adequate Tests 0 % 25 % 50 % 75 % 100 % Full Suite (7 Tests) Coverage Adequate 0 % 93 % 3

  14. Supermutants - Coverage Adequate Test Suite 1 Coverage Adequate Test

    0 % 25 % 50 % 75 % 100 % Full Suite (7 Tests) Coverage Adequate 70 % 93 % 1 Coverage Adequate Test 0 % 25 % 50 % 75 % 100 % Full Suite (7 Tests) Coverage Adequate 70 % 93 % 3

  15. Supermutants - Coverage Adequate Test Suite 2 Coverage Adequate Tests

    0 % 25 % 50 % 75 % 100 % Full Suite (7 Tests) Coverage Adequate 93 % 93 % 2 Coverage Adequate Tests 0 % 25 % 50 % 75 % 100 % Full Suite (7 Tests) Coverage Adequate 93 % 93 % 3

  16. Supermutants - Coverage Adequate Test Suite 4

  17. Supermutants - Coverage Adequate Test Suite 4

  18. Supermutants - Coverage Adequate Test Suite 4

  19. Supermutants - Coverage Adequate Test Suite 4

  20. Supermutant Execution 5

  21. Supermutant Execution 5 7 Tests

  22. Supermutant Execution 5 7 Tests

  23. Supermutant Execution 5 7 Tests

  24. Supermutant Execution 5 7 Tests

  25. Supermutant Execution 5 3 Tests 3 Tests 7 Tests

  26. Supermutant Execution 5 3 Tests 3 Tests 7 Tests

  27. Supermutant Execution 5 3 Tests 3 Tests 7 Tests

  28. Supermutant Execution 5 3 Tests 3 Tests 7 Tests

  29. Supermutant Execution 5 3 Tests 3 Tests 3 Tests 3

    Tests 7 Tests

  30. Supermutant Execution 5 3 Tests 3 Tests 3 Tests 3

    Tests 7 Tests

  31. Supermutant Execution 5 3 Tests 3 Tests 3 Tests 3

    Tests 7 Tests

  32. Supermutant Execution 5 3 Tests 3 Tests 3 Tests 3

    Tests 1 Test 1 Test 7 Tests

  33. Supermutant Execution 5 3 Tests 3 Tests 3 Tests 3

    Tests 1 Test 1 Test 7 Tests

  34. Supermutant Execution 5 3 Tests 3 Tests 3 Tests 3

    Tests 1 Test 1 Test 7 Tests 34 vs 42 Test Executions

  35. Supermutants - Mutant Kill Matrix 6 7 Tests 3 Tests

    3 Tests 3 Tests 3 Tests 1 Test 1 Test

  36. Supermutants - Mutant Kill Matrix 6 Test 1 Test 2

    Test 3 Test 4 Test 5 Test 6 Test 7 7 Tests 3 Tests 3 Tests 3 Tests 3 Tests 1 Test 1 Test

  37. Supermutants - Mutant Kill Matrix 6 Test 1 Test 2

    Test 3 Test 4 Test 5 Test 6 Test 7 ✕ ✕ ✕ ✕ ✕ ✕ ✕ 7 Tests 3 Tests 3 Tests 3 Tests 3 Tests 1 Test 1 Test

  38. Supermutants - Mutant Kill Matrix 6 Test 1 Test 2

    Test 3 Test 4 Test 5 Test 6 Test 7 ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✓ ✕ ✕ ✕ ✕ ✕ ✕ 7 Tests 3 Tests 3 Tests 3 Tests 3 Tests 1 Test 1 Test

  39. Supermutants - Mutant Kill Matrix 6 Test 1 Test 2

    Test 3 Test 4 Test 5 Test 6 Test 7 ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✓ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✓ ✕ ✕ ✓ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✓ ✓ ✓ ✓ ✓ ✕ ✕ ✕ ✕ ✕ ✕ ✕ 7 Tests 3 Tests 3 Tests 3 Tests 3 Tests 1 Test 1 Test

  40. Supermutants - Mutant Kill Matrix 6 Test 1 Test 2

    Test 3 Test 4 Test 5 Test 6 Test 7 ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✓ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✓ ✕ ✕ ✓ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✓ ✓ ✓ ✓ ✓ ✕ ✕ ✕ ✕ ✕ ✕ ✕ 7 Tests 3 Tests 3 Tests 3 Tests 3 Tests 1 Test 1 Test

  41. Case Study - Urlparse 7

  42. Case Study - Urlparse 7 0 exec. 10000 exec. 20000

    exec. 30000 exec. 40000 exec. Full Matrix Strong Testsuite Weak Testsuite

  43. Case Study - Urlparse 7 0 exec. 10000 exec. 20000

    exec. 30000 exec. 40000 exec. Full Matrix Strong Testsuite Weak Testsuite 32,000

  44. Case Study - Urlparse 7 0 exec. 10000 exec. 20000

    exec. 30000 exec. 40000 exec. Full Matrix Strong Testsuite Weak Testsuite 13,009 32,000

  45. Case Study - Urlparse 7 0 exec. 10000 exec. 20000

    exec. 30000 exec. 40000 exec. Full Matrix Strong Testsuite Weak Testsuite 9,037 13,009 32,000

  46. Case Study - Urlparse 7 0 exec. 10000 exec. 20000

    exec. 30000 exec. 40000 exec. Full Matrix Strong Testsuite Weak Testsuite 9,037 13,009 32,000 Over 70% of Test Executions Are Saved

  47. When Are Supermutants Super? 8

  48. When Are Supermutants Super? 8 Many and Weak Tests

  49. When Are Supermutants Super? 8 Many and Weak Tests Stubborn

    Mutants

  50. When Are Supermutants Super? 8 Many and Weak Tests Stubborn

    Mutants No Fault Masking

  51. When Are Supermutants Super? 8 Many and Weak Tests Stubborn

    Mutants No Fault Masking Automatically Generated Test Suites Can Be Efficiently Analyzed

  52. 9 Summary

  53. 9 Summary

  54. 9 Summary

  55. 9 Summary

  56. 9 Summary