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[usb_host] Validate USB configuration more strictly

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puddly
2026-09-09 21:33:33 +00:00
parent 7d85efb641
commit ffb4ca997e
4 changed files with 253 additions and 11 deletions
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tests/components/usb_uart/common.yaml
+2
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@@ -35,8 +35,10 @@ usb_uart:
debug: true
dummy_receiver: true
debug_prefix: "[ESP_JTAG] "
# A CP2105, so it does not share 10C4:EA60 with uart_1 above
- id: uart_5
type: cp210x
pid: 0xEA70
channels:
- id: channel_5_1
baud_rate: 9600
tests/unit_tests/components/test_usb_host.py
+199
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@@ -0,0 +1,199 @@
"""Tests for usb_host device matching validation."""
import pytest
from esphome.components.usb_host import validate_usb_clients
import esphome.config_validation as cv
from esphome.types import ConfigType
@pytest.mark.parametrize(
("first", "second"),
[
pytest.param(
{
"id": "a",
"vid": 0x303A,
"pid": 0x4001,
},
{
"id": "b",
"vid": 0x303A,
"pid": 0x4002,
},
id="different_pid",
),
pytest.param(
{
"id": "a",
"vid": 0x303A,
"pid": 0x4001,
},
{
"id": "b",
"vid": 0x1A86,
"pid": 0x4001,
},
id="different_vid",
),
pytest.param(
{
"id": "a",
"vid": 0x303A,
"pid": 0x4001,
"manufacturer": "Nabu Casa",
"product": "ZBT-2",
},
{
"id": "b",
"vid": 0x303A,
"pid": 0x4001,
"manufacturer": "Nabu Casa",
"product": "ZWA-2",
},
id="different_product",
),
pytest.param(
{
"id": "a",
"vid": 0x303A,
"pid": 0x4001,
"manufacturer": "Nabu Casa",
"product": "ZBT-2",
},
{
"id": "b",
"vid": 0x303A,
"pid": 0x4001,
"manufacturer": "Espressif",
"product": "ZBT-2",
},
id="different_manufacturer",
),
],
)
def test_disjoint_clients_are_accepted(first: ConfigType, second: ConfigType) -> None:
configs = [first, second]
assert validate_usb_clients(configs) is configs
@pytest.mark.parametrize(
("first", "second"),
[
pytest.param(
{
"id": "a",
"vid": 0x303A,
"pid": 0x4001,
},
{
"id": "b",
"vid": 0x303A,
"pid": 0x4001,
},
id="exact_duplicate",
),
pytest.param(
{
"id": "a",
"vid": 0x303A,
"pid": 0x4001,
},
{
"id": "b",
"vid": 0x303A,
"pid": 0x4001,
"manufacturer": "Nabu Casa",
"product": "ZBT-2",
},
id="unfiltered_shadows_filtered",
),
pytest.param(
{
"id": "a",
"vid": 0x303A,
"pid": 0x4001,
"manufacturer": "Nabu Casa",
"product": "ZBT-2",
},
{
"id": "b",
"vid": 0x303A,
"pid": 0x4001,
"manufacturer": "Nabu Casa",
"product": "ZBT-2",
},
id="identical_filters",
),
pytest.param(
{
"id": "a",
"vid": 0,
"pid": 0,
},
{
"id": "b",
"vid": 0x303A,
"pid": 0x4001,
"manufacturer": "Nabu Casa",
"product": "ZBT-2",
},
id="zero_ids_match_every_device",
),
],
)
def test_overlapping_clients_are_rejected(
first: ConfigType, second: ConfigType
) -> None:
with pytest.raises(cv.Invalid, match="overlap"):
validate_usb_clients([first, second])
def test_every_pair_is_compared_not_just_neighbours() -> None:
configs = [
{
"id": "a",
"vid": 0x303A,
"pid": 0x4001,
"manufacturer": "Nabu Casa",
"product": "ZBT-2",
},
{
"id": "b",
"vid": 0x303A,
"pid": 0x4002,
},
{
"id": "c",
"vid": 0x303A,
"pid": 0x4001,
"manufacturer": "Nabu Casa",
"product": "ZBT-2",
},
]
with pytest.raises(cv.Invalid, match="'a', 'c'"):
validate_usb_clients(configs)
def test_incomplete_filter_is_rejected() -> None:
configs = [
{
"id": "a",
"vid": 0x303A,
"pid": 0x4001,
"product": "ZBT-2",
}
]
with pytest.raises(cv.Invalid, match="none or all"):
validate_usb_clients(configs)
def test_single_client_is_always_valid() -> None:
configs = [
{
"id": "a",
"vid": 0x303A,
"pid": 0x4001,
}
]
assert validate_usb_clients(configs) is configs