kicad-mcp/tests/test_batch.py
Ryan Malloy 7525f3dcdc Fix add_label persistence and add_power_symbol custom library fallback
add_label bypasses kicad-sch-api serializer entirely — generates
s-expression strings and inserts them directly into the .kicad_sch
file via atomic write. Fixes two upstream bugs: global labels silently
dropped on save (serializer never iterates "global_label" key), and
local labels raising TypeError (parameter signature mismatch in
LabelCollection.add()).

add_power_symbol now falls back to sexp pin parsing when the API
returns None for custom library symbols (e.g. SMF5.0CA). Extracts
shared resolve_pin_position() utility used by both add_power_symbol
and batch operations.

Batch labels also fixed — collected as sexp strings during the batch
loop and inserted after sch.save() so the serializer can't overwrite
them.
2026-03-04 20:06:06 -07:00

217 lines
7.1 KiB
Python

"""Tests for the batch operations tool."""
import json
import os
from tests.conftest import requires_sch_api
class TestBatchValidation:
"""Tests for batch JSON validation (no kicad-sch-api needed for some)."""
def test_bad_json_file(self, tmp_output_dir):
from mckicad.tools.batch import apply_batch
# Create a schematic file (minimal)
sch_path = os.path.join(tmp_output_dir, "test.kicad_sch")
with open(sch_path, "w") as f:
f.write("(kicad_sch (version 20230121))")
# Create a bad JSON file
bad_json = os.path.join(tmp_output_dir, "bad.json")
with open(bad_json, "w") as f:
f.write("{invalid json}")
result = apply_batch(
schematic_path=sch_path,
batch_file=bad_json,
)
assert result["success"] is False
assert "json" in result["error"].lower() or "JSON" in result["error"]
def test_nonexistent_batch_file(self, tmp_output_dir):
from mckicad.tools.batch import apply_batch
sch_path = os.path.join(tmp_output_dir, "test.kicad_sch")
with open(sch_path, "w") as f:
f.write("(kicad_sch (version 20230121))")
result = apply_batch(
schematic_path=sch_path,
batch_file="/nonexistent/batch.json",
)
assert result["success"] is False
assert "not found" in result["error"].lower()
def test_bad_schematic_path(self, batch_json_file):
from mckicad.tools.batch import apply_batch
result = apply_batch(
schematic_path="/nonexistent/path.kicad_sch",
batch_file=batch_json_file,
)
assert result["success"] is False
@requires_sch_api
class TestBatchDryRun:
"""Tests for batch dry_run mode."""
def test_dry_run_returns_preview(self, populated_schematic_with_ic, batch_json_file):
from mckicad.tools.batch import apply_batch
result = apply_batch(
schematic_path=populated_schematic_with_ic,
batch_file=batch_json_file,
dry_run=True,
)
assert result["success"] is True
assert result["dry_run"] is True
assert "preview" in result
assert result["preview"]["components"] == 2
assert result["preview"]["wires"] == 1
assert result["preview"]["labels"] == 1
assert result["preview"]["no_connects"] == 1
assert result["validation"] == "passed"
def test_dry_run_catches_missing_fields(self, populated_schematic_with_ic, tmp_output_dir):
from mckicad.tools.batch import apply_batch
bad_data = {
"components": [{"lib_id": "Device:R"}], # missing x, y
}
batch_path = os.path.join(tmp_output_dir, "bad_batch.json")
with open(batch_path, "w") as f:
json.dump(bad_data, f)
result = apply_batch(
schematic_path=populated_schematic_with_ic,
batch_file=batch_path,
dry_run=True,
)
assert result["success"] is False
assert "validation_errors" in result
def test_empty_batch_rejected(self, populated_schematic_with_ic, tmp_output_dir):
from mckicad.tools.batch import apply_batch
batch_path = os.path.join(tmp_output_dir, "empty_batch.json")
with open(batch_path, "w") as f:
json.dump({}, f)
result = apply_batch(
schematic_path=populated_schematic_with_ic,
batch_file=batch_path,
)
assert result["success"] is False
@requires_sch_api
class TestBatchApply:
"""Integration tests for applying batch operations."""
def test_apply_components_and_wires(self, populated_schematic_with_ic, batch_json_file):
from kicad_sch_api import load_schematic
from mckicad.tools.batch import apply_batch
result = apply_batch(
schematic_path=populated_schematic_with_ic,
batch_file=batch_json_file,
)
assert result["success"] is True
assert result["components_placed"] == 2
assert result["wires_placed"] == 1
assert result["labels_placed"] == 1
assert result["no_connects_placed"] == 1
# Verify components exist in saved schematic
sch = load_schematic(populated_schematic_with_ic)
r10 = sch.components.get("R10")
assert r10 is not None
assert r10.value == "1k"
def test_apply_with_power_symbols(self, populated_schematic_with_ic, tmp_output_dir):
from mckicad.tools.batch import apply_batch
data = {
"components": [
{"lib_id": "Device:C", "reference": "C20", "value": "100nF", "x": 300, "y": 100},
],
"power_symbols": [
{"net": "GND", "pin_ref": "C20", "pin_number": "2"},
],
}
batch_path = os.path.join(tmp_output_dir, "pwr_batch.json")
with open(batch_path, "w") as f:
json.dump(data, f)
result = apply_batch(
schematic_path=populated_schematic_with_ic,
batch_file=batch_path,
)
assert result["success"] is True
assert result["components_placed"] == 1
assert result["power_symbols_placed"] == 1
def test_mckicad_sidecar_lookup(self, populated_schematic_with_ic, tmp_output_dir):
"""Test that relative paths resolve to .mckicad/ directory."""
from mckicad.tools.batch import apply_batch
# Create .mckicad/ sidecar next to schematic
sch_dir = os.path.dirname(populated_schematic_with_ic)
mckicad_dir = os.path.join(sch_dir, ".mckicad")
os.makedirs(mckicad_dir, exist_ok=True)
data = {
"labels": [{"text": "SIDECAR_TEST", "x": 100, "y": 100}],
}
sidecar_path = os.path.join(mckicad_dir, "sidecar_batch.json")
with open(sidecar_path, "w") as f:
json.dump(data, f)
# Use relative path — should find it in .mckicad/
result = apply_batch(
schematic_path=populated_schematic_with_ic,
batch_file="sidecar_batch.json",
)
assert result["success"] is True
assert result["labels_placed"] == 1
def test_batch_labels_persist_in_file(self, populated_schematic_with_ic, tmp_output_dir):
"""Batch labels (local and global) must appear in the saved file."""
from mckicad.tools.batch import apply_batch
data = {
"labels": [
{"text": "BATCH_LOCAL", "x": 150, "y": 100},
{"text": "BATCH_GLOBAL", "x": 160, "y": 110, "global": True},
],
}
batch_path = os.path.join(tmp_output_dir, "label_persist_batch.json")
with open(batch_path, "w") as f:
json.dump(data, f)
result = apply_batch(
schematic_path=populated_schematic_with_ic,
batch_file=batch_path,
)
assert result["success"] is True
assert result["labels_placed"] == 2
with open(populated_schematic_with_ic) as f:
content = f.read()
assert '(label "BATCH_LOCAL"' in content
assert '(global_label "BATCH_GLOBAL"' in content