I just completed my first LiveView that makes use of PubSub topic. While this is easy to monkey test (and build!), I am finding automated testing to be… not so much difficult, but indeterminate. Certain things happen when messages arrive. While these appear near instantaneous to a human at a browse…

A slightly simpler option is is: assert {:ok, live_view, html} = live(conn, Routes.some_path(conn, :index)) _ = :sys.get_state(live_view.pid) # now do an assert render Messages by the live view process are handled in order, and :sys.get_state is a GenServer.call. By the time it returns you know t…

Testing LiveViews that rely on PubSub for updates

Phoenix Forum Questions / Help

binarypaladin July 9, 2021, 11:56pm 3

I ended up going with a solution similar to this:

It seems to be working well. It looks like the reality is simply that you gotta wait for things.

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