michele
8040686e8b
Missing Z is optional, not invented. graph_build skips bad models instead of aborting. Other inductors still require value_henries.
108 lines
3.3 KiB
Python
108 lines
3.3 KiB
Python
"""Ferrite beads without Z validate; other inductors still need henries."""
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from __future__ import annotations
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import json
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from pathlib import Path
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import pytest
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from pydantic import ValidationError
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from backend.periscopex.graph import _load_component_models
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from backend.periscopex.models import ComponentModel, InductorSpecs
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from backend.periscopex.resolve_passives import simple_to_typed_passive_specs
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from backend.periscopex.models import SimpleComponentSpecs
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def test_ferrite_bead_without_impedance_ohm_validates():
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specs = InductorSpecs(
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component_subtype="passive.ferrite_bead",
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value_formatted="120 ohm @ 100 MHz",
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current_rating_a="3A",
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dcr_ohms=0.03,
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)
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assert specs.impedance_ohm is None
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model = ComponentModel(mpn="BLM21PG121SN1D", specs=specs)
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assert model.specs.impedance_ohm is None
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def test_ferrite_bead_live_payload_without_z_validates():
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model = ComponentModel.model_validate({
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"mpn": "BLM21PG121SN1D",
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"specs": {
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"specs_type": "inductor",
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"component_subtype": "passive.ferrite_bead",
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"value_henries": 120.0,
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"value_formatted": "120 ohm @ 100 MHz",
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"tolerance": None,
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"package": "0805",
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"current_rating_a": "3A",
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"dcr_ohms": 0.03,
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},
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})
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assert model.specs.impedance_ohm is None
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assert model.specs.current_rating_a == "3A"
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assert model.specs.dcr_ohms == 0.03
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def test_ferrite_bead_with_impedance_ohm_still_ok():
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specs = InductorSpecs(
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component_subtype="passive.ferrite_bead",
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value_formatted="120 ohm @ 100 MHz",
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impedance_ohm=120.0,
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current_rating_a="3A",
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dcr_ohms=0.03,
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)
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assert specs.impedance_ohm == 120.0
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def test_inductor_still_requires_value_henries():
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with pytest.raises(ValidationError, match="inductor requires value_henries"):
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InductorSpecs(
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component_subtype="passive.inductor",
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value_formatted="15nH",
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)
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def test_load_models_bead_without_z_does_not_raise(tmp_path: Path):
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payload = {
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"mpn": "BLM21PG121SN1D",
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"specs": {
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"specs_type": "inductor",
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"component_subtype": "passive.ferrite_bead",
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"value_formatted": "FB",
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"current_rating_a": "3A",
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"dcr_ohms": 0.03,
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},
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}
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(tmp_path / "BLM21PG121SN1D.json").write_text(json.dumps(payload) + "\n")
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loaded = _load_component_models(tmp_path)
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assert "BLM21PG121SN1D" in loaded
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assert loaded["BLM21PG121SN1D"].impedance_ohm is None
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def test_load_models_skips_inductor_missing_henries(tmp_path: Path):
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bad = {
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"mpn": "LQW-BAD",
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"specs": {
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"specs_type": "inductor",
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"component_subtype": "passive.inductor",
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"value_formatted": "x",
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},
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}
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(tmp_path / "LQW-BAD.json").write_text(json.dumps(bad) + "\n")
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loaded = _load_component_models(tmp_path)
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assert loaded == {}
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def test_simple_to_typed_bead_without_z():
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simple = SimpleComponentSpecs(
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specs_type="passive",
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component_subtype="passive.ferrite_bead",
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values={"current_rating_a": "3A", "dcr_ohms": 0.03},
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)
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specs = simple_to_typed_passive_specs(simple)
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assert specs.specs_type == "inductor"
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assert specs.impedance_ohm is None
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assert specs.dcr_ohms == 0.03
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