Github user peter-gergely-horvath commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2872#discussion_r218744472
--- Diff: nifi-docs/src/main/asciidoc/developer-guide.adoc ---
@@ -2296,6 +2296,32 @@ threads that should be used to run the Processor can
be set via the `setThreadCount(int)` method.
+=== Experimental NiFi Flow test harness
+
+NiFi now has an experimental feature for full end-to-end testing of flows.
This allows us
+to take a NiFi flow, install it to a test NiFi instance, run it and make
Java unit test
+like asserts regarding its behaviour.
+
+The class `org.apache.nifi.test.TestNiFiInstance` is a thin wrapper that
allows us
+to manipulate a NiFi installation and deploy a flow with some adjustments
+to its configuration, including changing processor properties and
replacing processor
+classes with mocks.
+
+In order to add the necessary classes to your project,
--- End diff --
Yes, absolutely. After reading the paragraph once again, I'm wondering if
it would make sense to change `us` to `you` (referring to the user), but it is
you call, really.
If you think it makes sense, can you do it while you merge/squash the
commit?
---