Files
MeshCore/test/test_usb_mode.py
T

182 lines
9.2 KiB
Python

"""Execute the read-only USB backend report with actual compiled flag branches."""
from pathlib import Path
import os
import shutil
import subprocess
import tempfile
import unittest
from test_radio_receive_contract import method
ROOT = Path(__file__).resolve().parents[1]
HARNESS = r'''
// Minimal concrete types stand in for each SDK's actual primary Serial type.
class HardwareSerial {};
class HWCDC {};
class USBCDC {};
class Adafruit_USBD_CDC {};
class CustomSerial {};
PRIMARY_SERIAL Serial;
#include <helpers/UsbMode.h>
#include <helpers/UsbLoggingClientActivity.h>
#include <cassert>
#include <cstdint>
#include <cstring>
#include <initializer_list>
@DISPATCH@
int main() {
assert(!strcmp(mesh::usbModeName<decltype(Serial)>(), EXPECTED_MODE));
const char expected[] = "usb.mode " EXPECTED_MODE;
char reply[160] = {};
assert(mesh::handleUsbModeCommand("get usb.mode", reply, sizeof(reply), Serial));
assert(!strcmp(reply, expected));
assert(strlen(reply) < 32);
// This detection query neither pauses capture nor grants a logging-client
// watchdog lease. Stats polling remains a separate explicit mechanism.
assert(!mesh::isUsbLoggingStatsCommand("get usb.mode"));
for (const char* raw : {"get usb.mode", "GET usb.mode", "GeT usb.mode",
"xy|get usb.mode", "xy| \tget usb.mode", " \txy|GET usb.mode"}) {
assert(mesh::isUsbModeDetectionCommand(raw));
assert(!mesh::isUsbLoggingStatsCommand(raw));
}
for (const char* raw : std::initializer_list<const char*>{nullptr, "", "x", "xy", "xy|",
"x|get usb.mode", "xyz|get usb.mode", "get usb.mode ", "get usb.mode extra",
"xy|set usb.mode tinyusb", "xy|get usb.modex", "get USB.MODE"})
assert(!mesh::isUsbModeDetectionCommand(raw));
for (const char* invalid : std::initializer_list<const char*>{nullptr, "", "get usb.modex", "get usb.mode extra",
"get usb.mode\n", "get usb.mode\t", "get USB.MODE", "usb.mode",
"set usb.mode", "set usb.mode tinyusb", "set usb.mode hardware-cdc-jtag"}) {
strcpy(reply, "unchanged");
assert(!mesh::handleUsbModeCommand(invalid, reply, sizeof(reply), Serial));
assert(!strcmp(reply, "unchanged"));
}
assert(!mesh::handleUsbModeCommand("get usb.mode", nullptr, sizeof(reply), Serial));
strcpy(reply, "unchanged");
assert(!mesh::handleUsbModeCommand("get usb.mode", reply, 0, Serial));
assert(!strcmp(reply, "unchanged"));
for (size_t capacity = 1; capacity <= sizeof(expected); ++capacity) {
unsigned char guarded[160];
memset(guarded, 0xA5, sizeof(guarded));
assert(mesh::handleUsbModeCommand("get usb.mode",
reinterpret_cast<char*>(guarded + 1), capacity, Serial));
assert(guarded[0] == 0xA5 && guarded[capacity + 1] == 0xA5);
assert(guarded[capacity] == 0);
assert(!strncmp(reinterpret_cast<char*>(guarded + 1), expected, capacity - 1));
}
@DISPATCH_CASES@
}
'''
class UsbModeTests(unittest.TestCase):
def compile_and_run(self, directory, name, flags, expected, dispatch="", cases="", primary=None):
compiler = os.environ.get("CXX") or shutil.which("g++") or shutil.which("clang++")
if not compiler:
self.skipTest("a host C++17 compiler is required")
source = Path(directory) / (name + ".cpp")
source.write_text(HARNESS.replace("@DISPATCH@", dispatch)
.replace("@DISPATCH_CASES@", cases), encoding="ascii")
binary = source.with_suffix(".exe")
if primary is None:
primary = {"hardware-cdc-jtag": "HWCDC", "tinyusb": "USBCDC",
"uart": "HardwareSerial"}.get(expected, "CustomSerial")
if "NRF52_PLATFORM" in flags and expected == "tinyusb":
primary = "Adafruit_USBD_CDC"
built = subprocess.run([compiler, "-std=c++17", "-Wall", "-Wextra", "-Werror",
*([] if os.name == "nt" else ["-fsanitize=address,undefined",
"-fno-sanitize-recover=all", "-fno-pie", "-no-pie"]),
*["-D" + flag for flag in flags], '-DEXPECTED_MODE="' + expected + '"',
"-DPRIMARY_SERIAL=" + primary,
"-I" + str(ROOT / "src"), str(source), "-o", str(binary)],
capture_output=True, text=True, timeout=60)
self.assertEqual(built.returncode, 0, built.stdout + built.stderr)
ran = subprocess.run([str(binary)], capture_output=True, text=True, timeout=10)
self.assertEqual(ran.returncode, 0, ran.stdout + ran.stderr)
def test_actual_backend_flags_and_bounded_read_only_command(self):
cases = (
(["ESP32", "ARDUINO_USB_MODE=1", "ARDUINO_USB_CDC_ON_BOOT=1"], "hardware-cdc-jtag"),
(["ESP32", "ARDUINO_USB_MODE=0", "ARDUINO_USB_CDC_ON_BOOT=1"], "tinyusb"),
(["ESP32", "ARDUINO_USB_MODE=1", "ARDUINO_USB_CDC_ON_BOOT=0"], "uart"),
(["ESP32", "ARDUINO_USB_MODE=0", "ARDUINO_USB_CDC_ON_BOOT=0"], "uart"),
(["ESP32", "ARDUINO_USB_MODE=1"], "uart"),
(["ESP32"], "uart"),
(["ESP32", "ARDUINO_USB_CDC_ON_BOOT=1"], "unknown"),
(["ESP32", "ARDUINO_USB_MODE=7", "ARDUINO_USB_CDC_ON_BOOT=1"], "unknown"),
(["ESP32_PLATFORM", "ARDUINO_USB_MODE=1", "ARDUINO_USB_CDC_ON_BOOT=1"], "hardware-cdc-jtag"),
(["NRF52_PLATFORM", "USE_TINYUSB", "MESH_DUAL_CDC_LOGGING"], "tinyusb"),
(["NRF52_PLATFORM"], "unknown"),
(["RP2040_PLATFORM"], "unknown"),
([], "unknown"),
)
with tempfile.TemporaryDirectory(prefix="meshcore-usb-mode-") as directory:
for index, (flags, expected) in enumerate(cases):
with self.subTest(flags=flags):
self.compile_and_run(directory, "mode" + str(index), flags, expected)
# Exact flags alone are insufficient when a board redirects Serial.
for index, (flags, primary, expected) in enumerate((
(["ESP32", "ARDUINO_USB_MODE=1", "ARDUINO_USB_CDC_ON_BOOT=1"], "HardwareSerial", "uart"),
(["ESP32", "ARDUINO_USB_MODE=1", "ARDUINO_USB_CDC_ON_BOOT=1"], "CustomSerial", "unknown"),
(["ESP32", "ARDUINO_USB_MODE=0", "ARDUINO_USB_CDC_ON_BOOT=1"], "HWCDC", "unknown"),
(["NRF52_PLATFORM", "USE_TINYUSB"], "CustomSerial", "unknown"),
)):
with self.subTest(primary_override=primary, flags=flags):
self.compile_and_run(directory, "alias" + str(index), flags, expected, primary=primary)
def test_actual_common_and_companion_dispatch_including_v14_request_prefix(self):
common = method((ROOT / "src/helpers/CommonCLI.cpp").read_text(),
"void CommonCLI::handleCommand(")
companion = method((ROOT / "examples/companion_radio/MyMesh.cpp").read_text(),
"bool MyMesh::handleCommand(")
call = "if (mesh::handleUsbModeCommand(command, reply, reply_capacity, Serial)) return true;"
self.assertIn(call, companion)
# Execute the real early dispatch bodies, before unrelated board/radio
# services. The framed V14 command path invokes this same handleCommand.
common = common.split("#if MESH_ENABLE_HOST_KISS", 1)[0] + "\n}"
companion = companion[:companion.index(call) + len(call)] + "\nreturn false;\n}"
# The omitted unrelated dispatch branches normally use this argument.
common = common.replace("{", "{ (void)sender_timestamp;", 1)
companion = companion.replace("{", "{ (void)sender_timestamp;", 1)
dispatch = r'''
struct PrefsSaveReplyGuard {
PrefsSaveReplyGuard(unsigned&, char*) {}
};
namespace mesh { namespace cli { void normalizeCommandVerb(char*) {} } }
struct CommonCLI {
unsigned _prefs_save_failures = 0;
void handleCommand(uint32_t, char*, char*);
};
struct MyMesh { bool handleCommand(const char*, uint32_t, char*); };
'''
cases = r'''
CommonCLI common;
MyMesh companion;
char command[] = "get usb.mode";
common.handleCommand(0, command, reply);
assert(!strcmp(reply, expected) && common._prefs_save_failures == 0);
assert(companion.handleCommand(command, 0, reply));
assert(!strcmp(reply, expected));
assert(companion.handleCommand("xy|get usb.mode", 0, reply));
assert(!strncmp(reply, "xy|", 3) && !strcmp(reply + 3, expected));
assert(!companion.handleCommand("set usb.mode tinyusb", 0, reply));
'''
with tempfile.TemporaryDirectory(prefix="meshcore-usb-mode-dispatch-") as directory:
self.compile_and_run(directory, "dispatch", ["ESP32", "ARDUINO_USB_MODE=1",
"ARDUINO_USB_CDC_ON_BOOT=1"], "hardware-cdc-jtag", dispatch + common + companion, cases)
full = (ROOT / "examples/companion_radio/MyMesh.cpp").read_text()
frame = full[full.index("mesh::companion::isRunCliFrame"):]
self.assertIn("handleCommand(text, 0, reply_buf)", frame)
for role, implementation in (("simple_repeater", "MyMesh.cpp"),
("simple_room_server", "MyMesh.cpp"),
("simple_sensor", "SensorMesh.cpp")):
source = (ROOT / "examples" / role / implementation).read_text()
self.assertTrue("_cli.handleCommand(sender_timestamp, command, reply)" in source,
role + " must route to the shared CommonCLI")
if __name__ == "__main__":
unittest.main()