Test duplicate feed type quoting

tests/test_questrade.py

@@ -186,7 +186,7 @@ async def stream_option_chain(portal, symbols):
 
     ``symbols`` arg is ignored here.
     """
-    symbol = 'APHA.TO'  # your fave greenhouse LP
+    symbol = symbols[0]
     async with qt.get_client() as client:
         contracts = await client.get_all_contracts([symbol])
 
@@ -204,14 +204,18 @@ async def stream_option_chain(portal, symbols):
         rate=4,
         diff_cached=False,
     )
+    # latency arithmetic
+    loops = 8
+    rate = 1/3.   # 3 rps
+    timeout = loops / rate
+
     try:
         # wait on the data streamer to actually start
         # delivering
         await agen.__anext__()
 
         # it'd sure be nice to have an asyncitertools here...
-        with trio.fail_after(2.1):
-            loops = 8
+        with trio.fail_after(timeout):
             count = 0
             async for quotes in agen:
                 # print(f'got quotes for {quotes.keys()}')
@@ -241,8 +245,7 @@ async def stream_option_chain(portal, symbols):
         )
 
         await agen.__anext__()
-        with trio.fail_after(2.1):
-            loops = 8
+        with trio.fail_after(timeout):
             count = 0
             async for quotes in agen:
                 for symbol, quote in quotes.items():
@@ -263,6 +266,7 @@ async def stream_stocks(portal, symbols):
         'start_quote_stream',
         broker='questrade',
         symbols=symbols,
+        diff_cached=False,
     )
     try:
         # it'd sure be nice to have an asyncitertools here...
@@ -282,8 +286,14 @@ async def stream_stocks(portal, symbols):
         (stream_stocks,),
         (stream_option_chain,),
         (stream_stocks, stream_option_chain),
+        (stream_stocks, stream_stocks),
+        (stream_option_chain, stream_option_chain),
+    ],
+    ids=[
+        'stocks', 'options',
+        'stocks_and_options', 'stocks_and_stocks',
+        'options_and_options',
     ],
-    ids=['stocks', 'options', 'stocks_and_options'],
 )
 @tractor_test
 async def test_quote_streaming(tmx_symbols, loglevel, stream_what):
@@ -301,9 +311,16 @@ async def test_quote_streaming(tmx_symbols, loglevel, stream_what):
                         'piker.brokers.core'
                     ],
                 )
+            if len(stream_what) > 1:
+                # stream disparate symbol sets per task
+                first, *tail = tmx_symbols
+                symbols = ([first], tail)
+            else:
+                symbols = [tmx_symbols]
+
             async with trio.open_nursery() as n:
-                for func in stream_what:
-                    n.start_soon(func, portal, tmx_symbols)
+                for syms, func in zip(symbols, stream_what):
+                    n.start_soon(func, portal, syms)
 
             # stop all spawned subactors
             await nursery.cancel()