Test management - Activity
Integration testing
Checking that separate parts of a system work correctly when connected together
What's it for?
Checks that separate parts of software still work correctly once they are connected.
For example…
A test order checks that payment and stock systems both receive it
An integration test checks that creating an order through the API actually writes the expected record to the database and sends the right message
Think of it like…
Checking that plugs fit sockets and the circuit works—not just that each appliance powers on alone