silverdr
Testing conn helpers in isolation?
Let’s say I have a helper function called not_found/1, which looks something like:
def not_found(conn) do
conn
|> put_status(404)
|> put_view(MyApplication.ErrorView)
|> render(:"404")
|> halt()
end
This is a very trivial example to show the idea. Now I wonder how to test such things in isolation? Like how would setup / assertions need to look like.
Marked As Solved
LostKobrakai
Yeah, that was a “typo” on my part.
build_conn gives you a “bare” conn. Your plug requires a format to be available on the conn (when using render with an atom), so you need to set a format on the conn as well: conn = put_format(conn, "html"). Usually this is set by the Phoenix.Controller.accepts/2 plug in your router pipeline.
Also Liked
LostKobrakai
Something akin to that should work in a normal phoenix MyAppWeb.ConnCase module:
test "no header" do
conn = build_conn(:get, "/")
conn = call_plug(conn, [])
assert conn.status == 403
assert conn.state == :sent
assert conn.halted
end
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