Unit Tests vs. Regression Tests: Why the Same Feature Gets Tested Twice

Look through a maintenance tool's test suite long enough and you'll run into a small puzzle: a function already has a test, so why does another file add a second one for what looks like the same behavior? Two tests that appear to cover the same ground can actually exist for entirely different reasons. This post walks through the distinction... Weiterlesen: Unit Tests vs. Regression Tests: Why the Same Feature Gets Tested Twice