Files
MeshCore/test/test_nimble_companion.py
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Python

#!/usr/bin/env python3
"""Exercise the real ESP32 Companion adapter against the NimBLE 2.5 API."""
from pathlib import Path
import subprocess
import tempfile
import unittest
ROOT = Path(__file__).resolve().parents[1]
class NimbleCompanionTests(unittest.TestCase):
def test_identity_security_and_data_path_under_sanitizers(self):
self.run_adapter("-DCONFIG_BT_NIMBLE_MAX_CONNECTIONS=1",
"-DCONFIG_BT_NIMBLE_MAX_BONDS=15",
"-DCONFIG_BT_NIMBLE_MAX_CCCDS=30",
"-DCONFIG_BT_NIMBLE_ROLE_CENTRAL_DISABLED=1",
"-DCONFIG_BT_NIMBLE_ROLE_OBSERVER_DISABLED=1")
def test_lab15_interval_real_adapter_under_sanitizers(self):
self.run_adapter("-DMESH_HIL_BLE_BENCH=1", "-DMESH_HIL_BLE_INTERVAL_MS=15")
def test_lab7_interval_real_adapter_under_sanitizers(self):
self.run_adapter("-DMESH_HIL_BLE_BENCH=1", "-DMESH_HIL_BLE_INTERVAL_MS=7")
def test_lab60_interval_real_adapter_under_sanitizers(self):
self.run_adapter("-DMESH_HIL_BLE_BENCH=1", "-DMESH_HIL_BLE_INTERVAL_MS=60")
def test_interval_override_requires_lab_and_is_bounded(self):
invalid = (
("-DMESH_HIL_BLE_INTERVAL_MS=15",),
("-DMESH_HIL_BLE_BENCH=0", "-DMESH_HIL_BLE_INTERVAL_MS=15"),
("-DMESH_HIL_BLE_BENCH=2", "-DMESH_HIL_BLE_INTERVAL_MS=15"),
("-DMESH_HIL_BLE_BENCH=1", "-DMESH_HIL_BLE_INTERVAL_MS=6"),
("-DMESH_HIL_BLE_BENCH=1", "-DMESH_HIL_BLE_INTERVAL_MS=61"),
)
for flags in invalid:
with self.subTest(flags=flags):
result = subprocess.run([
"c++", "-std=c++17", "-fsyntax-only", "-DMESH_USE_NIMBLE_ARDUINO=1", *flags,
"-I", str(ROOT / "test/fixtures/nimble_companion/mocks"),
"-I", str(ROOT / "src"),
str(ROOT / "src/helpers/esp32/SerialBLEInterface.cpp"),
], text=True, capture_output=True, timeout=30)
self.assertNotEqual(result.returncode, 0)
self.assertIn("MESH_HIL_BLE_INTERVAL_MS", result.stderr)
def test_actual_preprocessor_policy_modern_legacy_bluedroid_and_overrides(self):
source = (ROOT / "src/helpers/esp32/SerialBLEInterface.cpp").read_text()
start = source.index("#if defined(MESH_HIL_BLE_INTERVAL_MS)")
section = source[start:source.index("\nbool SerialBLEInterface::isReadBusy()", start)]
transports = (("-DMESH_USE_NIMBLE_ARDUINO=1", 7),
("-DCONFIG_NIMBLE_ENABLED=1", 60),
("-DCONFIG_BLUEDROID_ENABLED=1", 60))
for transport, default in transports:
cases = [((), default)] + [(("-DMESH_HIL_BLE_BENCH=1",
f"-DMESH_HIL_BLE_INTERVAL_MS={interval}"), interval) for interval in (7, 15, 60)]
for flags, expected in cases:
with self.subTest(transport=transport, flags=flags):
result = subprocess.run(["c++", "-std=c++17", "-x", "c++", "-fsyntax-only",
transport, *flags, "-"], input=section +
f'\nstatic_assert(BLE_WRITE_MIN_INTERVAL == {expected}, "wrong transport pacing");\n',
text=True, capture_output=True, timeout=30)
self.assertEqual(result.returncode, 0, result.stderr)
for flags in (("-DMESH_HIL_BLE_INTERVAL_MS=15",),
("-DMESH_HIL_BLE_BENCH=0", "-DMESH_HIL_BLE_INTERVAL_MS=15"),
("-DMESH_HIL_BLE_BENCH=2", "-DMESH_HIL_BLE_INTERVAL_MS=15"),
("-DMESH_HIL_BLE_BENCH=1", "-DMESH_HIL_BLE_INTERVAL_MS=6"),
("-DMESH_HIL_BLE_BENCH=1", "-DMESH_HIL_BLE_INTERVAL_MS=61")):
with self.subTest(transport=transport, invalid=flags):
result = subprocess.run(["c++", "-std=c++17", "-x", "c++", "-fsyntax-only",
transport, *flags, "-"], input=section, text=True,
capture_output=True, timeout=30)
self.assertNotEqual(result.returncode, 0)
self.assertIn("MESH_HIL_BLE_INTERVAL_MS", result.stderr)
def run_adapter(self, *flags):
with tempfile.TemporaryDirectory(prefix="meshcore-nimble-") as temp:
binary = Path(temp) / "nimble-companion"
result = subprocess.run([
"c++", "-std=c++17", "-g", "-fsanitize=address,undefined",
"-DMESH_USE_NIMBLE_ARDUINO=1",
*flags,
"-I", str(ROOT / "test/fixtures/nimble_companion/mocks"),
"-I", str(ROOT / "src"),
str(ROOT / "src/helpers/esp32/SerialBLEInterface.cpp"),
str(ROOT / "test/fixtures/nimble_companion/test_nimble_companion.cpp"),
"-o", str(binary),
], text=True, capture_output=True, timeout=60)
self.assertEqual(result.returncode, 0, result.stderr)
result = subprocess.run([str(binary)], text=True, capture_output=True, timeout=30)
self.assertEqual(result.returncode, 0, result.stderr)
if __name__ == "__main__":
unittest.main()