michele
65a91419a2
Each layout_rules SI requirement (diff/SE Z, skew, max length, spacing, ref plane, vias, layer, return, series R) is one PASS/FAIL/MARGIN finding with FACT and REQUIREMENT. USB/HDMI/PCIe/ETH/LVDS/DDR only; I2C GPIO CC and analog REGN are skipped. No invented 90 Ω.
78 lines
2.4 KiB
Python
78 lines
2.4 KiB
Python
"""layout_rules validator — numbers are parameters, never guessed defaults.
|
|
|
|
Favor: a numeric max_distance_mm / min_via_count is kept as given.
|
|
Against: unknown kind rejected; non-numeric distance becomes null.
|
|
"""
|
|
|
|
from __future__ import annotations
|
|
|
|
from backend.periscopex.layout_rules import validate_layout_rules
|
|
|
|
|
|
def test_numeric_max_distance_mm_is_kept():
|
|
given = 2.0
|
|
ok, errors = validate_layout_rules([
|
|
{"kind": "decoupling_proximity", "max_distance_mm": given, "source_page": 1},
|
|
])
|
|
assert errors == []
|
|
assert ok[0]["max_distance_mm"] == given
|
|
|
|
|
|
def test_impedance_kind_keeps_zdiff_window():
|
|
ok, errors = validate_layout_rules([{
|
|
"kind": "impedance",
|
|
"zdiff_ohm": 90,
|
|
"tolerance_pct": 10,
|
|
"net_class": "usb",
|
|
"source_page": 12,
|
|
}])
|
|
assert errors == []
|
|
assert ok[0]["zdiff_ohm"] == 90
|
|
assert ok[0]["tolerance_pct"] == 10
|
|
assert ok[0]["net_class"] == "usb"
|
|
given = 2.0
|
|
ok, errors = validate_layout_rules([
|
|
{"kind": "length_match", "max_distance_mm": given},
|
|
])
|
|
assert errors == []
|
|
assert ok[0]["max_distance_mm"] == given
|
|
|
|
|
|
def test_empty_list_is_explicit_skip():
|
|
ok, errors = validate_layout_rules([])
|
|
assert ok == []
|
|
assert errors == []
|
|
|
|
|
|
def test_needs_refresh_when_empty_and_old_version():
|
|
from backend.periscopex.layout_rules import needs_layout_rules_refresh
|
|
|
|
assert needs_layout_rules_refresh(
|
|
{"model_version": "1.9.0", "layout_rules": []},
|
|
min_scan_version="1.10.0",
|
|
)
|
|
assert not needs_layout_rules_refresh(
|
|
{"model_version": "1.10.0", "layout_rules": []},
|
|
min_scan_version="1.10.0",
|
|
)
|
|
assert not needs_layout_rules_refresh(
|
|
{
|
|
"model_version": "1.9.0",
|
|
"layout_rules": [{"kind": "decoupling_proximity", "max_distance_mm": None}],
|
|
},
|
|
min_scan_version="1.10.0",
|
|
)
|
|
|
|
|
|
def test_unknown_kind_rejected_and_non_numeric_distance_is_null():
|
|
ok, errors = validate_layout_rules([
|
|
{"kind": "not_a_kind", "max_distance_mm": 1.0},
|
|
{"kind": "decoupling_proximity", "max_distance_mm": "close"},
|
|
{"kind": "thermal_via", "min_via_count": 4},
|
|
])
|
|
assert errors
|
|
dist_rows = [r for r in ok if r["kind"] == "decoupling_proximity"]
|
|
assert dist_rows[0]["max_distance_mm"] is None
|
|
via = [r for r in ok if r["kind"] == "thermal_via"]
|
|
assert via[0]["min_via_count"] == 4
|