Files
HaloKeymind/test/test_esp32_tinyusb_cooperative_output.py
T

280 lines
10 KiB
Python

#!/usr/bin/env python3
"""Execute the real native-TinyUSB role output pumps with small host stubs."""
from pathlib import Path
import os
import shutil
import subprocess
import tempfile
import unittest
ROOT = Path(__file__).resolve().parents[1]
HARNESS = r'''
#include <algorithm>
#include <cstdarg>
#include <cstdio>
#include <cstring>
#include <iostream>
#include <memory>
#include <stdexcept>
#include <string>
#include <vector>
#include <cstdint>
#include <helpers/FileRead.h>
#define MESH_ESP32_TINYUSB_NONBLOCKING 1
#define MESH_ESP32_USB_CONSOLE_COOPERATIVE 1
#define MAX_ROUTE_HASH_BYTES 3
#define PACKET_LOG_FILE "/packet_log"
static void require(bool ok, const char* what) {
if (!ok) throw std::runtime_error(what);
}
struct FileData { std::string text; size_t reads = 0; bool exists = true; };
struct File {
std::shared_ptr<FileData> data;
size_t pos = 0;
bool closed = false;
bool directory = false;
explicit operator bool() const { return data && (data->exists || directory) && !closed; }
bool isDirectory() const { return directory; }
size_t size() const { return data ? data->text.size() : 0; }
int read() {
if (!static_cast<bool>(*this) || pos >= data->text.size()) return -1;
++data->reads;
return static_cast<unsigned char>(data->text[pos++]);
}
void close() { closed = true; }
};
struct FakeFS {
std::shared_ptr<FileData> data = std::make_shared<FileData>();
bool exists(const char*) const { return data->exists; }
// ESP32 SPIFFS can return a truthy directory for a missing regular file.
File open(const char*) { return File{data, 0, false, !data->exists}; }
} fs;
struct Stream {
std::string output;
std::vector<std::string> records;
size_t capacity = 4096;
size_t short_limit = 0;
bool fail_once = false;
int availableForWrite() const { return static_cast<int>(capacity); }
size_t write(const uint8_t* data, size_t len) {
if (fail_once) { fail_once = false; return 0; }
if (len > capacity) return 0;
if (short_limit != 0) len = std::min(len, short_limit);
output.append(reinterpret_cast<const char*>(data), len);
records.emplace_back(reinterpret_cast<const char*>(data), len);
capacity -= len;
return len;
}
size_t printf(const char* format, ...) {
char record[1024];
va_list args;
va_start(args, format);
int len = vsnprintf(record, sizeof(record), format, args);
va_end(args);
return len > 0 ? write(reinterpret_cast<const uint8_t*>(record), len) : 0;
}
} console;
namespace mesh {
Stream& usbConsolePort() { return console; }
namespace Utils {
void toHex(char* dest, const uint8_t* src, size_t len) {
static const char digits[] = "0123456789ABCDEF";
for (size_t i = 0; i < len; ++i) {
*dest++ = digits[src[i] >> 4];
*dest++ = digits[src[i] & 15];
}
*dest = 0;
}
}
}
struct SimpleMeshTables {
struct RecentRepeaterInfo {
uint8_t prefix[3];
uint8_t prefix_len;
int8_t snr_x4;
};
std::vector<RecentRepeaterInfo> rows;
int getRecentRepeaterCount() const { return static_cast<int>(rows.size()); }
const RecentRepeaterInfo* getNextRecentRepeaterBySortKey(
const RecentRepeaterInfo*, int previous, int& result) const {
result = previous + 1;
return result < static_cast<int>(rows.size()) ? &rows[result] : nullptr;
}
};
class MyMesh {
public:
FakeFS* _fs = &fs;
File serial_log_dump;
size_t serial_log_remaining = 0;
size_t serial_log_pending_size = 0;
char serial_log_pending[640];
bool serial_log_active = false;
bool serial_log_eof_pending = false;
bool serial_log_skip_line = false;
int serial_recent_next = -1;
int serial_recent_count = 0;
bool serial_recent_header = false;
bool serial_recent_has_cursor = false;
SimpleMeshTables::RecentRepeaterInfo serial_recent_cursor{};
int serial_recent_cursor_index = -1;
SimpleMeshTables tables;
const SimpleMeshTables* getTables() const { return &tables; }
void dumpLogFile();
bool hasPendingSerialOutput() const;
void servicePendingSerialOutput();
void cancelPendingSerialOutput();
void printRecentRepeatersSerial();
};
@METHODS@
static void setupFile(const std::string& text, bool exists = true) {
fs.data = std::make_shared<FileData>();
fs.data->text = text;
fs.data->exists = exists;
console = Stream();
}
static void drain(MyMesh& radio, size_t capacity = 4096) {
int passes = 0;
while (radio.hasPendingSerialOutput() && passes++ < 10000) {
console.capacity = capacity;
const size_t reads = fs.data->reads;
radio.servicePendingSerialOutput();
require(fs.data->reads - reads <= 640, "unbounded file read pass");
}
require(!radio.hasPendingSerialOutput(), "output pump failed to finish");
}
int main() {
try {
const std::string eof = " -> EOF\r\n";
for (bool exists : {false, true}) {
setupFile("", exists);
MyMesh radio;
radio.dumpLogFile();
require(exists || !radio.serial_log_active, "missing log accepted as a directory");
require(console.output.empty(), "synchronous premature EOF");
drain(radio);
require(console.output == eof, "missing or duplicate empty-file EOF");
}
setupFile("hello\nworld\n");
{
MyMesh radio;
radio.dumpLogFile();
console.capacity = 0;
radio.servicePendingSerialOutput();
const size_t reads = fs.data->reads;
radio.servicePendingSerialOutput();
require(reads == fs.data->reads, "backpressure lost pending line");
require(console.output.empty(), "wrote without capacity");
console.short_limit = 3;
console.capacity = 4096;
radio.servicePendingSerialOutput();
console.short_limit = 0;
drain(radio);
require(console.output == "hello\nworld\n" + eof, "short-write suffix lost");
}
std::string large;
for (int i = 0; i < 1000; ++i) large += "stored packet\n";
setupFile(large);
{
MyMesh radio;
radio.dumpLogFile();
fs.data->text += "arrived later\n";
drain(radio);
require(console.output == large + eof, "large dump lost bytes or ignored snapshot");
for (const auto& record : console.records)
require(!record.empty() && record.back() == '\n', "split stored record");
}
const std::string boundary(639, 'a');
const std::string too_long(640, 'b');
setupFile(boundary + "\n" + too_long + "\nend\ntail");
{
MyMesh radio;
radio.dumpLogFile();
drain(radio);
require(console.output == boundary + "\n"
"[USB log line omitted: exceeds 640 bytes]\r\nend\ntail\n" + eof,
"long line boundary or final partial line is wrong");
}
setupFile(std::string(2000, 'x') + "\n");
{
MyMesh radio;
radio.dumpLogFile();
radio.servicePendingSerialOutput();
require(radio.hasPendingSerialOutput(), "overlong line not pending");
radio.cancelPendingSerialOutput();
drain(radio);
require(console.output.empty(), "canceled old-session output leaked");
}
@RECENT_TEST@
std::cout << "cooperative output checks passed\n";
return 0;
} catch (const std::exception& error) {
std::cerr << error.what() << "\n";
return 1;
}
}
'''
RECENT_TEST = r'''
setupFile("");
{
MyMesh radio;
for (int i = 0; i < 2048; ++i) {
radio.tables.rows.push_back({{0, static_cast<uint8_t>(i >> 8),
static_cast<uint8_t>(i)}, 3, -127});
}
console.fail_once = true;
radio.printRecentRepeatersSerial();
require(radio.serial_recent_header, "failed header write advanced cursor");
drain(radio, 64);
require(console.output.find("Recent repeaters (2048):\n") == 0, "missing header");
require(std::count(console.output.begin(), console.output.end(), '\n') == 2049,
"2048-row listing truncated");
require(console.output.substr(console.output.size() - 14) == "0007FF,-31.75\n",
"last recent repeater missing");
for (const auto& record : console.records)
require(!record.empty() && record.back() == '\n', "split recent row");
}
'''
class CooperativeOutputTest(unittest.TestCase):
def test_real_role_pumps(self):
compiler = shutil.which("g++") or shutil.which("clang++")
if not compiler:
self.skipTest("A host C++ compiler is required for pump execution")
for role in ("simple_repeater", "simple_room_server"):
with self.subTest(role=role), tempfile.TemporaryDirectory() as temporary:
text = (ROOT / f"examples/{role}/MyMesh.cpp").read_text()
dump_start = text.index("void MyMesh::dumpLogFile()")
dump_end = text.index("\n#if MESH_ESP32_USB_CONSOLE_COOPERATIVE\nbool MyMesh::hasPendingSerialOutput", dump_start)
pump_start = text.index("bool MyMesh::hasPendingSerialOutput()", dump_end)
pump_end = text.index("\n#endif", pump_start)
methods = text[dump_start:dump_end] + "\n" + text[pump_start:pump_end]
if role == "simple_repeater":
format_start = text.index("static void formatLocalSnrX4(")
format_end = text.index("\nvoid MyMesh::formatRecentRepeatersReply", format_start)
recent_start = text.index("void MyMesh::printRecentRepeatersSerial()")
recent_end = text.index("\nbool MyMesh::setRecentRepeater(", recent_start)
methods = text[format_start:format_end] + "\n" + text[recent_start:recent_end] + "\n" + methods
program = HARNESS.replace("@METHODS@", methods).replace(
"@RECENT_TEST@", RECENT_TEST if role == "simple_repeater" else ""
)
executable = Path(temporary) / ("pump.exe" if os.name == "nt" else "pump")
build = subprocess.run(
[compiler, "-std=c++17", "-O0", "-I", str(ROOT / "src"),
"-x", "c++", "-", "-o", str(executable)],
input=program, text=True, capture_output=True, timeout=60,
)
self.assertEqual(build.returncode, 0, build.stdout + build.stderr)
run = subprocess.run(
[str(executable)], text=True, capture_output=True, timeout=30,
)
self.assertEqual(run.returncode, 0, run.stdout + run.stderr)
if __name__ == "__main__":
unittest.main()