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https://github.com/rstrouse/ESPSomfy-RTS.git
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10521cf78d
A pytest suite run by hand against a device (test/e2e/README.md): hello, the schema and its hash, the sync with next and resync, replies to bad frames, feed subscriptions, the status event, every client syncing at once, a sixth client refused, a page load, and the socket under the device's security mode. It never transmits, changes settings or reboots. --record saves hello, the sync and the schema as fixtures. PROTOCOL.md now describes the protocol as built. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
68 lines
2.3 KiB
Python
68 lines
2.3 KiB
Python
"""The device must survive the loads that ran its heap out
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(docs/adr/0005-one-websocket-protocol.md): every client reconnecting at once,
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and a browser loading the page."""
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import threading
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import urllib.request
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import pytest
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from proto_client import ProtoClient, heap, run_sync
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# What the heap may drop to under load. Below it the next allocation in the
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# web server is close to failing, which aborts.
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HEAP_FLOOR = 20 * 1024
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MAX_CLIENTS = 5
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@pytest.fixture
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def watch_heap(host):
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"""Fails the test when the device rebooted or its heap fell under the floor."""
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before = heap(host)
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yield before
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after = heap(host)
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assert after["uptime"] > before["uptime"], "the device rebooted"
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assert after["min"] >= HEAP_FLOOR or after["min"] == before["min"], (
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"the heap fell to %u bytes (floor %u)" % (after["min"], HEAP_FLOOR))
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def test_every_client_reconnecting_at_once(connect, schema, watch_heap):
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clients = [connect() for _ in range(MAX_CLIENTS)]
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errors = []
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def sync(c):
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try:
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run_sync(c, timeout=60)
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except Exception as e: # reported below
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errors.append(e)
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threads = [threading.Thread(target=sync, args=(c,)) for c in clients]
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[t.start() for t in threads]
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[t.join() for t in threads]
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assert not errors, errors
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def test_one_client_too_many_is_closed(connect, schema):
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clients = [connect(schema=schema.hash) for _ in range(MAX_CLIENTS)]
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for c in clients:
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run_sync(c)
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extra = connect(schema=schema.hash)
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assert extra.closed.wait(5), "a sixth client stayed connected"
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def test_page_load(host, token, connect, watch_heap):
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"""The static files in parallel, as a browser fetches them, then the socket."""
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files = ["/", "/main.css", "/widgets.css", "/icons.css", "/index.js", "/icon.png"]
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errors = []
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def get(path):
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try:
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req = urllib.request.Request(f"http://{host}{path}", headers={"Accept-Encoding": "gzip"})
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with urllib.request.urlopen(req, timeout=60) as r:
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r.read()
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except Exception as e: # reported below
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errors.append((path, e))
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threads = [threading.Thread(target=get, args=(p,)) for p in files]
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[t.start() for t in threads]
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c = connect()
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run_sync(c, timeout=60)
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[t.join() for t in threads]
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assert not errors, errors
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