Add skeleton for pytest

Author: M65649

.gitignore

@@ -8,3 +8,4 @@ builds
 lib/cryptoauth/cryptoauthlib
 lib/cryptoauth/build48
 lib/cryptoauth/build64
+__pycache__/

test/conftest.py

@@ -0,0 +1,16 @@
+import os
+
+def pytest_addoption(parser):
+
+    file_directory = os.path.dirname(os.path.realpath(__file__))
+
+    # TODO: fix proper pathing
+    sketch_dir = f"{file_directory}/../examples"
+    build_dir = f"{file_directory}/build"
+
+
+    parser.addoption("--port", action="store", help="Device port (COMx, /dev/ttyACMx, etc.)", required=True)
+    parser.addoption("--device", action="store", help="Device to test against", default="avr128db48")
+    parser.addoption("--logging", action="store", help="Logging verbosity level (critical, error, warning, info, debug)", default="warn")
+    parser.addoption("--sketchdir", action="store", help="Relative path to the sketch directory with the example sketches", default=sketch_dir)
+    parser.addoption("--builddir", action="store", help="Relative path to the build directory", default=build_dir)

test/test_examples.py

@@ -0,0 +1,83 @@
+import pytest
+import logging
+import argparse
+import textwrap
+import glob
+import os
+import json
+import serial
+import time
+import subprocess
+import re
+
+from pymcuprog.backend import SessionConfig
+from pymcuprog.toolconnection import ToolUsbHidConnection
+from pymcuprog.backend import Backend
+from pymcuprog.hexfileutils import read_memories_from_hex
+from pymcuprog.deviceinfo.memorynames import MemoryNameAliases
+from pymcuprog.deviceinfo.deviceinfokeys import DeviceMemoryInfoKeys
+
+
+
+BOARD_CONFIG = "DxCore:megaavr:avrdb:appspm=no,chip=avr128db48,clock=24internal,"\
+    "bodvoltage=1v9,bodmode=disabled,eesave=enable,resetpin=reset,"\
+    "millis=tcb2,startuptime=8,wiremode=mors2,printf=full"
+
+TIMEOUT = 30
+
+def program(request):
+    """Builds and programs the sketch file
+
+    Args:
+        request (obj): PyTest request object 
+    """
+
+
+    example_name = request.node.name[5:]
+
+    build_directory = request.config.getoption("--builddir")
+    sketch_directory = request.config.getoption("--sketchdir")
+
+    # TODO: fix pathing
+    sketch_path = f"{sketch_directory}/{example_name}/{example_name}.ino"
+
+    print(f"Buillding and programming {os.path.basename(sketch_path)}...")
+
+    if not os.path.exists(build_directory):
+        os.mkdir(build_directory)
+
+    compilation_return_code = subprocess.run([f"arduino-cli compile {sketch_path} -b {BOARD_CONFIG} --output-dir {build_directory}"], shell=True).returncode
+
+    assert compilation_return_code == 0
+
+
+    hex_file = build_directory + f"/{os.path.basename(sketch_path)}.hex"
+
+    try:
+        memory_segments = read_memories_from_hex(hex_file, backend.device_memory_info)
+        backend.erase(MemoryNameAliases.ALL, address=None)
+
+        for segment in memory_segments:
+            memory_name = segment.memory_info[DeviceMemoryInfoKeys.NAME]
+            backend.write_memory(segment.data, memory_name, segment.offset)
+            verify_ok = backend.verify_memory(segment.data, memory_name, segment.offset)
+
+            if verify_ok:
+                logging.info("OK")
+            else:
+                logging.error("Verification failed!")
+                return False
+
+    except Exception as exception:
+        logging.warning(f"Error programming: {exception}")
+        return False
+
+    return True
+
+def test_debug_modem(request):
+    # TODO: backend for pymcuprog has to be defined as a prerequisite and set up before all tests 
+
+
+    test = program(request)
+
+    assert test == "debug_modem"