End-to-End Test

What Does End-to-End Test Mean?

End-to-end testing is a methodology used to test whether the flow of an application is performing as designed from start to finish. The purpose of carrying out end-to-end tests is to identify system dependencies and to ensure that the right information is passed between various system components and systems.

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Techopedia Explains End-to-End Test

End-to-end testing involves ensuring that the integrated components of an application function as expected. The entire application is tested in a real-world scenario such as communicating with the database, network, hardware and other applications.

For example, a simplified end-to-end testing of an email application might involve:

  • Logging in to the application
  • Accessing the inbox
  • Opening and closing the mailbox
  • Composing, forwarding or replying to email
  • Checking the sent items
  • Logging out of the application
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Margaret Rouse
Technology Expert

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.