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test: config cap under aiohttp's 4 MB frame; own marker id for the upload test

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A 4 MB cap could never be reported: the frame limit rejects the message first
and the socket closes with 1009, so the user gets a dropped connection instead
of 'too_large'. 2 MB is ~30x a real three-floor configuration (70 KB measured).

The upload test listed a folder test_ha_upload.py also writes into.
This commit is contained in:
Matysh
2026-07-28 16:11:48 +03:00
parent 3f719cc32a
commit 4418312b0b
2 changed files with 10 additions and 8 deletions
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custom_components/houseplan/validation.py
+6 -4
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@@ -81,10 +81,12 @@ MAX_KNOWN_DEVICES = 20000
MAX_TEXT = 500 # names, models, ids MAX_TEXT = 500 # names, models, ids
MAX_DESCRIPTION = 4000 MAX_DESCRIPTION = 4000
MAX_URL = 2000 MAX_URL = 2000
# Below the WebSocket frame limit on purpose: a payload larger than that never # Comfortably below the WebSocket frame limit (aiohttp's default is 4 MB): a
# reaches the handler at all — the socket closes with 1009 and the user sees a # payload larger than the frame never reaches the handler at all — the socket
# dropped connection instead of an error they can act on. # closes with 1009 and the user sees a dropped connection instead of an error
MAX_CONFIG_BYTES = 4 * 1024 * 1024 # they can act on. For scale, a real three-floor home with ~200 devices stores
# about 70 KB, so this is ~30x headroom.
MAX_CONFIG_BYTES = 2 * 1024 * 1024
_TEXT = vol.All(str, vol.Length(max=MAX_TEXT)) _TEXT = vol.All(str, vol.Length(max=MAX_TEXT))
_TEXT_OR_NONE = vol.Any(None, _TEXT) _TEXT_OR_NONE = vol.Any(None, _TEXT)
tests_backend/test_ha_websocket.py
+4 -4
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@@ -681,12 +681,12 @@ async def test_upload_never_overwrites_an_existing_attachment(
assert resp.status == 200, await resp.text() assert resp.status == 200, await resp.text()
return (await resp.json())["url"] return (await resp.json())["url"]
first = await upload("m1", "manual.pdf", b"ONE") first = await upload("m9", "manual.pdf", b"ONE")
second = await upload("m1", "manual.pdf", b"TWO") second = await upload("m9", "manual.pdf", b"TWO")
assert first != second, "the second upload must not take the first name" assert first != second, "the second upload must not take the first name"
folder = os.path.join(hass.config.path(FILES_DIR), "m1") folder = os.path.join(hass.config.path(FILES_DIR), "m9")
# the HA test config dir is shared across the module — look only at ours # the HA test config dir is shared across the module — hence our own marker id
names = sorted( names = sorted(
n for n in await hass.async_add_executor_job(os.listdir, folder) if n.startswith("manual") n for n in await hass.async_add_executor_job(os.listdir, folder) if n.startswith("manual")
) )