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History of Software Testing

History of Software Testing. Philippe CHARMAN charman@fr.ibm.com http://users.polytech.unice.fr/~charman/. Last update: 21-04-2014. Summary. Testing periods and evolution of testing models Software testing timeline. Testing Periods. Until 1956: Debugging-oriented period

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History of Software Testing

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  1. History of Software Testing Philippe CHARMAN charman@fr.ibm.com http://users.polytech.unice.fr/~charman/ Last update: 21-04-2014

  2. Summary • Testing periods and evolution of testing models • Software testing timeline

  3. Testing Periods • Until 1956: Debugging-oriented period • 1957–1978: Demonstration-oriented period • 1979–1982: Destruction-oriented period • 1983–1987: Evaluation-oriented period • 1988– …: Prevention-oriented period

  4. Debugging-oriented Period( … - 1956) • No consensus between testing and debugging: • For some people, testing is a sub-activity of debugging • For others, debugging and testing are the same activity • For still others, debugging and testing are two distinguished activities • The main focus is on the hardware not on the software

  5. Demonstration-oriented Period (1957 - 1978) • People realize bugs can have a negative impact • Charles Baker makes a clear distinction from debugging and testing: • Debugging: Make sure the program runs • Testing: Make sure the program solves the problem • Testers should write tests having in mind they have to be successful

  6. Destruction-oriented Period(1979 – 1982) • In 1979, G.J. Myers writes his famous book:

  7. Destruction-oriented Period(1979 – 1982) • Myers defined testing as “the process of executing a program with the intent of finding errors” • Tester should write tests having in mind they have to fail • Myers: Showing a program has bugs is more efficient than showing a program has no bugs. • Google Testing Blog: “If it ain't broke, you're not trying hard enough”

  8. Evaluation-oriented Period(1983 – 1987) • Guideline for Lifecycle Validation, Verification and Testing of Computer Software • Methodology that integrates analysis, review and test activities to provide product evaluation during the software life cycle • A tester can start working on the software life cycle from the very beginning • A tester can review and gives his feedback on the specifications of the features to be implemented • For instance a tester can detect that: • User needs won’t be fully satisfied with the feature • A feature has some holes and thus cannot be correctly tested in some particular cases • etc.

  9. Prevention-oriented Period(1988 – …) • Quality metrics: • Code coverage • Complexity • etc. • Rule coding • Comments in the code • etc. • Continuous Inspection

  10. Prevention-oriented Period(1988 – …) • Quality metrics: • Code coverage • Complexity • etc. • Rule coding • Comments in the code • etc. • Continuous Inspection

  11. Major Testing Models

  12. Software Testing Timeline

  13. Some Companies and Organizations • 1896 IBM founded • 1958 First software test team • 1973 Compuware founded • 1981 Rational Software founded • 1989 Mercury Interactive founded • 1991 Pure Software founded • 2001 StickyMinds.com launched • 2002 ITSQB founded

  14. Some Tools and Applications • 1988 First defect tracking tool (DDTS) • 1989 First version of LoadRunner • 1991 Start of the newsgroup comp.software.testing • 1995 First release of Winrunner • 1998 Bugzilla released • 2002 IBM Rational Functional Tester • 2002 JIRA 1.0 released • 2005 Hudson/Jenkins released

  15. Some Models and Standards • 1970 Waterfall model • 1983 IEEE 829 • 1986 V-model • 1993 SCRUM • 1996 Extreme Programming • 2001 Agile Manifesto • 2002 Test Driven Development

  16. References • Baker C Review of D.D. McCracken’s “Digital Computer Programming”” Mathematical Tables and Other Aids to Computation 1 I, 60. (Oct. 1957). 298-305 • Gelperin, D.; B. Hetzel (1988). "The Growth of Software Testing". CACM 31 (6) • Guideline for Lifecycle Validation, Verification and Testing of Computer Software. Processing Standards, National Bureau of Standards, June, 1983. • Myers, Glenford J. (1979). The Art of Software Testing. John Wiley and Sons.

  17. Some interesting links • http://www.stickyminds.com/ • http://www.testingreferences.com/ • http://googletesting.blogspot.com/ • http://idtus.com/img/UsefulAutomatedTestingMetrics.pdf

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