|
"source": "import unittest\n\nfrom dsmr_parser.clients.telegram_buffer import TelegramBuffer\nfrom test.example_telegrams import TELEGRAM_V2_2, TELEGRAM_V4_2\n\n\nclass TelegramBufferTest(unittest.TestCase):\n\n def setUp(self):\n self.telegram_buffer = TelegramBuffer()\n\n def test_v22_telegram(self):\n self.telegram_buffer.append(TELEGRAM_V2_2)\n\n telegram = next(self.telegram_buffer.get_all())\n\n self.assertEqual(telegram, TELEGRAM_V2_2)\n self.assertEqual(self.telegram_buffer._buffer, '')\n\n def test_v42_telegram(self):\n self.telegram_buffer.append(TELEGRAM_V4_2)\n\n telegram = next(self.telegram_buffer.get_all())\n\n self.assertEqual(telegram, TELEGRAM_V4_2)\n self.assertEqual(self.telegram_buffer._buffer, '')\n\n def test_multiple_mixed_telegrams(self):\n self.telegram_buffer.append(\n ''.join((TELEGRAM_V2_2, TELEGRAM_V4_2, TELEGRAM_V2_2))\n )\n\n telegrams = list(self.telegram_buffer.get_all())\n\n self.assertListEqual(\n telegrams,\n [\n TELEGRAM_V2_2,\n TELEGRAM_V4_2,\n TELEGRAM_V2_2\n ]\n )\n\n self.assertEqual(self.telegram_buffer._buffer, '')\n\n def test_v42_telegram_preceded_with_unclosed_telegram(self):\n # There are unclosed telegrams at the start of the buffer.\n incomplete_telegram = TELEGRAM_V4_2[:-1]\n\n self.telegram_buffer.append(incomplete_telegram + TELEGRAM_V4_2)\n\n telegram = next(self.telegram_buffer.get_all())\n\n self.assertEqual(telegram, TELEGRAM_V4_2)\n self.assertEqual(self.telegram_buffer._buffer, '')\n\n def test_v42_telegram_preceded_with_unopened_telegram(self):\n # There is unopened telegrams at the start of the buffer indicating that\n # the buffer was being filled while the telegram was outputted halfway.\n incomplete_telegram = TELEGRAM_V4_2[1:]\n\n self.telegram_buffer.append(incomplete_telegram + TELEGRAM_V4_2)\n\n telegram = next(self.telegram_buffer.get_all())\n\n self.assertEqual(telegram, TELEGRAM_V4_2)\n self.assertEqual(self.telegram_buffer._buffer, '')\n\n def test_v42_telegram_trailed_by_unclosed_telegram(self):\n incomplete_telegram = TELEGRAM_V4_2[:-1]\n\n self.telegram_buffer.append(TELEGRAM_V4_2 + incomplete_telegram)\n\n telegram = next(self.telegram_buffer.get_all())\n\n self.assertEqual(telegram, TELEGRAM_V4_2)\n self.assertEqual(self.telegram_buffer._buffer, incomplete_telegram)\n\n def test_v42_telegram_trailed_by_unopened_telegram(self):\n incomplete_telegram = TELEGRAM_V4_2[1:]\n\n self.telegram_buffer.append(TELEGRAM_V4_2 + incomplete_telegram)\n\n telegram = next(self.telegram_buffer.get_all())\n\n self.assertEqual(telegram, TELEGRAM_V4_2)\n self.assertEqual(self.telegram_buffer._buffer, incomplete_telegram)\n\n def test_v42_telegram_adding_line_by_line(self):\n for line in TELEGRAM_V4_2.splitlines(keepends=True):\n self.telegram_buffer.append(line)\n\n telegram = next(self.telegram_buffer.get_all())\n\n self.assertEqual(telegram, TELEGRAM_V4_2)\n self.assertEqual(self.telegram_buffer._buffer, '')\n\n def test_v42_telegram_adding_char_by_char(self):\n for char in TELEGRAM_V4_2:\n self.telegram_buffer.append(char)\n\n telegram = next(self.telegram_buffer.get_all())\n\n self.assertEqual(telegram, TELEGRAM_V4_2)\n self.assertEqual(self.telegram_buffer._buffer, '')\n",
|
|
"review": "**8**\n\n### Bugs\n- No explicit bugs were found in the provided code snippet.\n\n### Optimizations\n- Consider using a mock library to handle the TELGRAM data instead of importing it directly to allow more flexible testing.\n- Add more detailed assertions to handle potential edge cases or unexpected states in the TelegramBuffer methods.\n- Consider using the `with` statement with unittest (e.g., `with self.subTest(...):`) to better manage and report multiple test cases within the same test method.\n\n### Good points\n- Comprehensive test cases covering various scenarios.\n- Use of `unittest.TestCase` for a structured testing approach.\n- Use of descriptive method names that clearly state the intent of each test case.\n- The tests seem well-organized and appear to cover a wide variety of buffer states.\n\n### Summary\nThe provided code is a unit test suite for the `TelegramBuffer` class, which handles the parsing and storage of telegrams in a buffer. The suite includes tests for normal operation, boundary conditions, and malformed telegrams, providing solid coverage. There's room for improvement with the flexibility and granularity of the tests using mocks and more assertive testing of edge cases. No significant bugs were identified, indicating a stable code base.\n\n### Open source alternatives\n- `pytest` - A more feature-rich and flexible testing framework than unittest.\n- `nose2` - Extends unittest for additional functionality and easier test organization.\n- `hypothesis` - Provides property-based testing, useful for edge cases not explicitly defined in the test scenarios.",
|