feat: Add coverage, iniconfig, pluggy, pygments, pytest, pytest-cov, and pytest-mock as dependencies

- Added coverage version 7.10.1 with multiple wheel distributions.
- Added iniconfig version 2.1.0 with its wheel distribution.
- Added pluggy version 1.6.0 with its wheel distribution.
- Added pygments version 2.19.2 with its wheel distribution.
- Added pytest version 8.4.1 with its wheel distribution and dependencies.
- Added pytest-cov version 6.2.1 with its wheel distribution and dependencies.
- Added pytest-mock version 3.14.1 with its wheel distribution and dependencies.
- Updated dev-dependencies to include coverage, pytest, pytest-cov, and pytest-mock.
- Updated requires-dist to specify minimum versions for coverage, pytest, pytest-cov, and pytest-mock.

tests/conftest.py

@@ -0,0 +1,68 @@
+"""
+Fixtures and configuration for pytest tests.
+"""
+import os
+import tempfile
+import pytest
+import pandas as pd
+from unittest.mock import Mock
+import logging
+
+
+@pytest.fixture
+def temp_csv_file():
+    """Create a temporary CSV file for testing."""
+    fd, path = tempfile.mkstemp(suffix='.csv')
+    os.close(fd)
+    yield path
+    # Cleanup
+    if os.path.exists(path):
+        os.unlink(path)
+
+
+@pytest.fixture
+def sample_data():
+    """Sample data for testing."""
+    return [
+        ["2024-01-01", 3, 2, 4, 3, 1, 0, 2, 1, "Test note 1"],
+        ["2024-01-02", 2, 3, 3, 4, 1, 1, 2, 0, "Test note 2"],
+        ["2024-01-03", 4, 1, 5, 2, 0, 0, 1, 1, ""],
+    ]
+
+
+@pytest.fixture
+def sample_dataframe():
+    """Sample DataFrame for testing."""
+    return pd.DataFrame({
+        'date': ['2024-01-01', '2024-01-02', '2024-01-03'],
+        'depression': [3, 2, 4],
+        'anxiety': [2, 3, 1],
+        'sleep': [4, 3, 5],
+        'appetite': [3, 4, 2],
+        'bupropion': [1, 1, 0],
+        'hydroxyzine': [0, 1, 0],
+        'gabapentin': [2, 2, 1],
+        'propranolol': [1, 0, 1],
+        'note': ['Test note 1', 'Test note 2', '']
+    })
+
+
+@pytest.fixture
+def mock_logger():
+    """Mock logger for testing."""
+    return Mock(spec=logging.Logger)
+
+
+@pytest.fixture
+def temp_log_dir():
+    """Create a temporary directory for log files."""
+    with tempfile.TemporaryDirectory() as temp_dir:
+        yield temp_dir
+
+
+@pytest.fixture
+def mock_env_vars(monkeypatch):
+    """Mock environment variables."""
+    monkeypatch.setenv("LOG_LEVEL", "DEBUG")
+    monkeypatch.setenv("LOG_PATH", "/tmp/test_logs")
+    monkeypatch.setenv("LOG_CLEAR", "False")