Shift-left testing

Shift-left testing[1] is an approach to software testing and system testing in which testing is performed earlier in the lifecycle (i.e. moved left on the project timeline). It is the first half of the maxim "test early and often".[2] It was coined by Larry Smith in 2001.[3][4]

  1. ^ Donald Firesmith (23 March 2015). "Four Types of Shift Left Testing". Archived from the original on 2015-09-05. Retrieved 27 March 2015.
  2. ^ Microsoft (2012). "Test Early and Often". Archived from the original on 2 April 2015. Retrieved 27 March 2015.
  3. ^ Smith, Larry (September 2001). "Shift-Left Testing". Dr. Dobb's Journal. 26 (9): 56, 62. Archived from the original on 2020-06-21. Retrieved 2020-06-04.
  4. ^ "Sep01: Shift-Left Testing". 2014-08-10. Archived from the original on 2014-08-10. Retrieved 2019-09-06.