From e86695b7dac213b0aa100c651d8c4a2bb23bdf41 Mon Sep 17 00:00:00 2001 From: llbbl Date: Wed, 25 Jun 2025 14:05:22 -0500 Subject: [PATCH] feat: Set up comprehensive Python testing infrastructure - Add Poetry as package manager with pyproject.toml configuration - Configure pytest with coverage reporting (80% threshold) - Create testing directory structure (tests/unit, tests/integration) - Add comprehensive pytest fixtures in conftest.py - Configure test markers (unit, integration, slow) - Update .gitignore with testing and Claude-specific entries - Add validation tests to verify infrastructure setup --- .gitignore | 53 +++++++ mamba_chat/__init__.py | 0 poetry.lock | 277 +++++++++++++++++++++++++++++++++ pyproject.toml | 94 +++++++++++ tests/__init__.py | 0 tests/conftest.py | 157 +++++++++++++++++++ tests/integration/__init__.py | 0 tests/test_setup_validation.py | 96 ++++++++++++ tests/unit/__init__.py | 0 9 files changed, 677 insertions(+) create mode 100644 mamba_chat/__init__.py 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"--cov-config=pyproject.toml", + "--cov-report=term-missing:skip-covered", + "--cov-report=html", + "--cov-report=xml", + "--cov-fail-under=80", +] +markers = [ + "unit: marks tests as unit tests (fast, isolated)", + "integration: marks tests as integration tests (may require external resources)", + "slow: marks tests as slow (deselect with '-m \"not slow\"')", +] +norecursedirs = [ + ".git", + ".tox", + "dist", + "build", + "*.egg", + "__pycache__", + ".pytest_cache", + "htmlcov", +] + +[tool.coverage.run] +source = ["."] +omit = [ + "*/tests/*", + "*/test_*", + "*/__pycache__/*", + "*/venv/*", + "*/virtualenv/*", + "*/.venv/*", + "*/setup.py", + "*/conftest.py", + "*/site-packages/*", + ".venv/*", + "tests/*", +] + +[tool.coverage.report] +exclude_lines = [ + "pragma: no cover", + "def __repr__", + "def __str__", + "raise AssertionError", + "raise NotImplementedError", + "if __name__ == .__main__.:", + "if TYPE_CHECKING:", + "class .*\\bProtocol\\):", + "@(abc\\.)?abstractmethod", +] +show_missing = true +skip_covered = true +fail_under = 80 + +[tool.coverage.html] +directory = "htmlcov" + +[tool.coverage.xml] +output = "coverage.xml" + +[build-system] +requires = ["poetry-core"] +build-backend = "poetry.core.masonry.api" \ No newline at end of file diff --git a/tests/__init__.py b/tests/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/tests/conftest.py b/tests/conftest.py new file mode 100644 index 0000000..3863817 --- /dev/null +++ b/tests/conftest.py @@ -0,0 +1,157 @@ +""" +Shared pytest fixtures and configuration for all tests. +""" +import os +import sys +import tempfile +from pathlib import Path +from unittest.mock import Mock, patch + +import pytest + +# Add the project root to the Python path +PROJECT_ROOT = Path(__file__).parent.parent +sys.path.insert(0, str(PROJECT_ROOT)) + + +@pytest.fixture +def temp_dir(): + """Create a temporary directory for test files.""" + with tempfile.TemporaryDirectory() as tmpdir: + yield Path(tmpdir) + + +@pytest.fixture +def temp_file(temp_dir): + """Create a temporary file in the temp directory.""" + def _create_temp_file(name="test_file.txt", content=""): + file_path = temp_dir / name + file_path.write_text(content) + return file_path + return _create_temp_file + + +@pytest.fixture +def mock_config(): + """Provide a mock configuration object.""" + config = Mock() + config.model_name = "test-model" + config.batch_size = 32 + config.learning_rate = 0.001 + config.num_epochs = 10 + config.device = "cpu" + return config + + +@pytest.fixture +def mock_model(): + """Provide a mock model object.""" + model = Mock() + model.forward = Mock(return_value=Mock(loss=0.5)) + model.generate = Mock(return_value=[1, 2, 3, 4, 5]) + model.eval = Mock() + model.train = Mock() + return model + + +@pytest.fixture +def mock_tokenizer(): + """Provide a mock tokenizer object.""" + tokenizer = Mock() + tokenizer.encode = Mock(return_value=[1, 2, 3, 4, 5]) + tokenizer.decode = Mock(return_value="decoded text") + tokenizer.pad_token_id = 0 + tokenizer.eos_token_id = 1 + return tokenizer + + +@pytest.fixture +def mock_dataset(): + """Provide a mock dataset object.""" + dataset = Mock() + dataset.__len__ = Mock(return_value=100) + dataset.__getitem__ = Mock(return_value={"input_ids": [1, 2, 3], "labels": [4, 5, 6]}) + return dataset + + +@pytest.fixture +def mock_torch(): + """Mock torch module for tests that don't need actual PyTorch.""" + with patch.dict(sys.modules, {"torch": Mock()}): + yield sys.modules["torch"] + + +@pytest.fixture +def isolated_filesystem(temp_dir, monkeypatch): + """Change to a temporary directory for the test.""" + original_dir = Path.cwd() + monkeypatch.chdir(temp_dir) + yield temp_dir + monkeypatch.chdir(original_dir) + + +@pytest.fixture(autouse=True) +def reset_environment(monkeypatch): + """Reset environment variables that might affect tests.""" + # Clear any CUDA-related environment variables + cuda_vars = ["CUDA_VISIBLE_DEVICES", "CUDA_DEVICE_ORDER"] + for var in cuda_vars: + monkeypatch.delenv(var, raising=False) + + # Set deterministic behavior + monkeypatch.setenv("PYTHONHASHSEED", "0") + + +@pytest.fixture +def capture_logs(): + """Capture log messages during tests.""" + import logging + from io import StringIO + + log_capture = StringIO() + handler = logging.StreamHandler(log_capture) + handler.setLevel(logging.DEBUG) + + # Add handler to root logger + root_logger = logging.getLogger() + root_logger.addHandler(handler) + original_level = root_logger.level + root_logger.setLevel(logging.DEBUG) + + yield log_capture + + # Cleanup + root_logger.removeHandler(handler) + root_logger.setLevel(original_level) + + +# Markers for slow tests +def pytest_configure(config): + """Configure pytest with custom markers.""" + config.addinivalue_line( + "markers", "unit: mark test as a unit test" + ) + config.addinivalue_line( + "markers", "integration: mark test as an integration test" + ) + config.addinivalue_line( + "markers", "slow: mark test as slow running" + ) + + +# Skip slow tests by default unless --runslow is provided +def pytest_addoption(parser): + """Add custom command line options.""" + parser.addoption( + "--runslow", action="store_true", default=False, help="run slow tests" + ) + + +def pytest_collection_modifyitems(config, items): + """Modify test collection to skip slow tests by default.""" + if config.getoption("--runslow"): + return + skip_slow = pytest.mark.skip(reason="need --runslow option to run") + for item in items: + if "slow" in item.keywords: + item.add_marker(skip_slow) \ No newline at end of file diff --git a/tests/integration/__init__.py b/tests/integration/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/tests/test_setup_validation.py b/tests/test_setup_validation.py new file mode 100644 index 0000000..10aec33 --- /dev/null +++ b/tests/test_setup_validation.py @@ -0,0 +1,96 @@ +""" +Validation tests to ensure the testing infrastructure is set up correctly. +""" +import sys +from pathlib import Path + +import pytest + + +@pytest.mark.unit +def test_project_root_in_path(): + """Test that the project root is in the Python path.""" + project_root = Path(__file__).parent.parent + assert str(project_root) in sys.path, "Project root should be in Python path" + + +@pytest.mark.unit +def test_pytest_is_installed(): + """Test that pytest is properly installed.""" + try: + import pytest + assert pytest.__version__ + except ImportError: + pytest.fail("pytest is not installed") + + +@pytest.mark.unit +def test_coverage_is_installed(): + """Test that pytest-cov is properly installed.""" + try: + import pytest_cov + assert pytest_cov.__version__ + except ImportError: + pytest.fail("pytest-cov is not installed") + + +@pytest.mark.unit +def test_mock_is_installed(): + """Test that pytest-mock is properly installed.""" + try: + import pytest_mock + # pytest-mock doesn't expose __version__, just check it can be imported + assert pytest_mock + except ImportError: + pytest.fail("pytest-mock is not installed") + + +@pytest.mark.unit +def test_fixtures_are_available(temp_dir, mock_config, mock_model): + """Test that custom fixtures from conftest.py are available.""" + assert temp_dir.exists() + assert temp_dir.is_dir() + assert mock_config.model_name == "test-model" + assert mock_model.forward is not None + + +@pytest.mark.unit +def test_temp_file_fixture(temp_file): + """Test that the temp_file fixture works correctly.""" + test_file = temp_file("test.txt", "Hello, World!") + assert test_file.exists() + assert test_file.read_text() == "Hello, World!" + + +@pytest.mark.unit +def test_markers_are_registered(): + """Test that custom markers are properly registered.""" + # This test itself uses the unit marker, which validates it works + assert True + + +@pytest.mark.integration +def test_integration_marker(): + """Test that the integration marker works.""" + assert True + + +@pytest.mark.slow +def test_slow_marker(): + """Test that the slow marker works (should be skipped by default).""" + import time + time.sleep(0.1) # Simulate slow test + assert True + + +class TestClassBasedTests: + """Test that class-based tests work correctly.""" + + @pytest.mark.unit + def test_class_method(self): + """Test method in a test class.""" + assert 1 + 1 == 2 + + def test_another_method(self): + """Another test method without markers.""" + assert True \ No newline at end of file diff --git a/tests/unit/__init__.py b/tests/unit/__init__.py new file mode 100644 index 0000000..e69de29