End-to-End Test

Definition - 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.

Techopedia explains End-to-End Test

End-to-end testing involves ensuring that that 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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