feat: Add comprehensive Python testing infrastructure with Poetry

.gitignore

@@ -1,11 +1,65 @@
-__pycache__
-*/__pycache__
-cache_code
-cache_pabi
-cache_pan
-cache
-cache_pan
-.DS_Store
+# Python
+__pycache__/
+*/__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# Testing
+.pytest_cache/
+.coverage
+htmlcov/
+coverage.xml
+*.cover
+.hypothesis/
+.tox/
+
+# Virtual environments
+venv/
+ENV/
+env/
+.venv
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# Project specific
+cache_code/
+cache_pabi/
+cache_pan/
+cache/
+cache_*/
 supplement.db
 supp2.db
-cache_*
+
+# Claude
+.claude/*
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Poetry
+# Note: Do NOT ignore poetry.lock - it should be committed
+dist/
+*.egg-info/

pyproject.toml

@@ -0,0 +1,95 @@
+[tool.poetry]
+name = "panoramix"
+version = "0.1.0"
+description = "Ethereum smart contract decompiler"
+authors = ["Panoramix Contributors"]
+readme = "README.md"
+packages = [
+    { include = "core" },
+    { include = "pano" },
+    { include = "utils" },
+    { include = "tilde" }
+]
+
+[tool.poetry.dependencies]
+python = "^3.8"
+coloredlogs = "*"
+requests = "*"
+web3 = "*"
+timeout-decorator = "*"
+
+[tool.poetry.group.dev.dependencies]
+pytest = "^7.4.0"
+pytest-cov = "^4.1.0"
+pytest-mock = "^3.11.0"
+
+[tool.poetry.scripts]
+test = "pytest:main"
+tests = "pytest:main"
+
+[tool.pytest.ini_options]
+minversion = "7.0"
+testpaths = ["tests"]
+python_files = ["test_*.py", "*_test.py", "tests.py"]
+python_classes = ["Test*", "*Tests"]
+python_functions = ["test_*"]
+addopts = [
+    "-v",
+    "--strict-markers",
+    "--cov=core",
+    "--cov=pano",
+    "--cov=utils",
+    "--cov=tilde",
+    "--cov-report=html",
+    "--cov-report=xml",
+    "--cov-report=term-missing",
+    # Coverage threshold disabled for initial setup
+    # "--cov-fail-under=80",
+]
+markers = [
+    "unit: marks tests as unit tests",
+    "integration: marks tests as integration tests",
+    "slow: marks tests as slow running",
+]
+filterwarnings = [
+    "error",
+    "ignore::UserWarning",
+    "ignore::DeprecationWarning",
+]
+
+[tool.coverage.run]
+source = ["core", "pano", "utils", "tilde"]
+omit = [
+    "*/tests/*",
+    "*/test_*.py",
+    "*/__pycache__/*",
+    "*/site-packages/*",
+]
+
+[tool.coverage.report]
+precision = 2
+show_missing = true
+skip_covered = false
+exclude_lines = [
+    "pragma: no cover",
+    "def __repr__",
+    "if self\\.debug:",
+    "if settings\\.DEBUG",
+    "raise AssertionError",
+    "raise NotImplementedError",
+    "if 0:",
+    "if __name__ == .__main__.:",
+    "if TYPE_CHECKING:",
+    "class .*\\bProtocol\\):",
+    "@(abc\\.)?abstractmethod",
+]
+
+[tool.coverage.html]
+directory = "htmlcov"
+
+[tool.coverage.xml]
+output = "coverage.xml"
+
+[build-system]
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"

tests/conftest.py

@@ -0,0 +1,138 @@
+"""Shared pytest fixtures and configuration for Panoramix tests."""
+
+import os
+import tempfile
+from pathlib import Path
+from typing import Generator, Dict, Any
+
+import pytest
+
+
+@pytest.fixture
+def temp_dir() -> Generator[Path, None, None]:
+    """Create a temporary directory for test files."""
+    with tempfile.TemporaryDirectory() as tmpdir:
+        yield Path(tmpdir)
+
+
+@pytest.fixture
+def mock_contract_bytecode() -> str:
+    """Sample Ethereum contract bytecode for testing."""
+    # Simple storage contract bytecode
+    return "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"
+
+
+@pytest.fixture
+def mock_contract_address() -> str:
+    """Sample Ethereum contract address for testing."""
+    return "0x1234567890123456789012345678901234567890"
+
+
+@pytest.fixture
+def mock_cache_dir(temp_dir: Path) -> Path:
+    """Create mock cache directories for testing."""
+    cache_pan = temp_dir / "cache_pan"
+    cache_code = temp_dir / "cache_code"
+    cache_pabi = temp_dir / "cache_pabi"
+
+    cache_pan.mkdir()
+    cache_code.mkdir()
+    cache_pabi.mkdir()
+
+    return temp_dir
+
+
+@pytest.fixture
+def mock_config() -> Dict[str, Any]:
+    """Mock configuration dictionary for testing."""
+    return {
+        "etherscan_api_key": "test_api_key",
+        "infura_url": "https://mainnet.infura.io/v3/test_project_id",
+        "timeout": 30,
+        "cache_enabled": True,
+        "debug": False,
+    }
+
+
+@pytest.fixture
+def mock_function_signature() -> Dict[str, str]:
+    """Mock function signature data for testing."""
+    return {
+        "0x2e64cec1": "retrieve()",
+        "0x6057361d": "store(uint256)",
+        "0xa9059cbb": "transfer(address,uint256)",
+        "0x70a08231": "balanceOf(address)",
+    }
+
+
+@pytest.fixture
+def mock_opcode_sequence() -> list:
+    """Mock EVM opcode sequence for testing."""
+    return [
+        ("PUSH1", "0x80"),
+        ("PUSH1", "0x40"),
+        ("MSTORE", None),
+        ("CALLVALUE", None),
+        ("DUP1", None),
+        ("ISZERO", None),
+        ("PUSH2", "0x0010"),
+        ("JUMPI", None),
+    ]
+
+
+@pytest.fixture
+def mock_storage_slot() -> Dict[str, Any]:
+    """Mock storage slot information for testing."""
+    return {
+        "slot": 0,
+        "offset": 0,
+        "type": "uint256",
+        "value": "0x0000000000000000000000000000000000000000000000000000000000000005",
+    }
+
+
+@pytest.fixture
+def mock_abi() -> list:
+    """Mock contract ABI for testing."""
+    return [
+        {
+            "inputs": [],
+            "name": "retrieve",
+            "outputs": [{"internalType": "uint256", "name": "", "type": "uint256"}],
+            "stateMutability": "view",
+            "type": "function",
+        },
+        {
+            "inputs": [{"internalType": "uint256", "name": "num", "type": "uint256"}],
+            "name": "store",
+            "outputs": [],
+            "stateMutability": "nonpayable",
+            "type": "function",
+        },
+    ]
+
+
+@pytest.fixture(autouse=True)
+def reset_environment(monkeypatch):
+    """Reset environment variables for each test."""
+    # Clear any existing API keys or sensitive data
+    monkeypatch.delenv("ETHERSCAN_API_KEY", raising=False)
+    monkeypatch.delenv("INFURA_PROJECT_ID", raising=False)
+    monkeypatch.delenv("WEB3_PROVIDER_URL", raising=False)
+
+
+@pytest.fixture
+def isolated_filesystem(tmp_path):
+    """Create an isolated filesystem for testing file operations."""
+    original_cwd = os.getcwd()
+    os.chdir(tmp_path)
+    yield tmp_path
+    os.chdir(original_cwd)
+
+
+# Markers for test categorization
+def pytest_configure(config):
+    """Register custom markers."""
+    config.addinivalue_line("markers", "unit: Unit tests")
+    config.addinivalue_line("markers", "integration: Integration tests")
+    config.addinivalue_line("markers", "slow: Slow running tests")