Устранить пересечение образа логгера с параметрами EEPROM и проверять размер BIN

tests/ump_logger/test_firmware_image.py

@@ -0,0 +1,55 @@
+"""Exercise the release gate without TI tools or hardware."""
+from pathlib import Path
+import shutil
+import struct
+import subprocess
+import tempfile
+import unittest
+
+ROOT = Path(__file__).resolve().parents[2]
+LIMIT = (0x3FFF - (128 + 1)) * 2
+
+
+def image(size):
+    header = struct.pack('<H', 0x08AA) + bytes(16) + struct.pack('<HH', 0, 0x8000)
+    words = (size - 30) // 2
+    return header + struct.pack('<HHH', words, 0, 0x8000) + bytes(words * 2) + bytes(2)
+
+
+class FirmwareGateTest(unittest.TestCase):
+    def check_image(self, data, success):
+        with tempfile.TemporaryDirectory() as directory:
+            source = Path(directory) / 'candidate.pending'
+            output = Path(directory) / 'firmware.bin'
+            source.write_bytes(data)
+            result = subprocess.run([
+                shutil.which('powershell') or 'pwsh', '-NoProfile', '-ExecutionPolicy', 'Bypass',
+                '-File', str(ROOT / 'check_firmware.ps1'), '-Path', str(source),
+                '-PublishPath', str(output),
+            ], capture_output=True)
+            self.assertEqual(result.returncode == 0, success, result.stderr.decode(errors='replace'))
+            self.assertEqual(output.exists(), success)
+            if success:
+                self.assertEqual(output.read_bytes(), data)
+                self.assertFalse(source.exists())
+            return result.stdout + result.stderr
+
+    def test_exact_boundary_is_accepted(self):
+        self.check_image(image(LIMIT), True)
+
+    def test_34a95bc5_size_is_rejected(self):
+        diagnostic = self.check_image(image(32518), False)
+        self.assertIn(b'overlaps saved parameters by 10 bytes', diagnostic)
+
+    def test_missing_boot_terminator_is_rejected(self):
+        self.check_image(image(100)[:-2], False)
+
+    def test_partial_block_is_rejected(self):
+        self.check_image(image(100)[:-10], False)
+
+    def test_wrong_format_is_rejected(self):
+        self.check_image(bytes(100), False)
+
+
+if __name__ == '__main__':
+    unittest.main()