#exonware/xwjson/tests/3.advance/test_maintainability.py
"""
Maintainability excellence tests (Priority #3).
Company: eXonware.com
Author: eXonware Backend Team
Email: connect@exonware.com
Version: 0.0.1.0
Generation Date: 2025-01-XX
Maintainability tests: code quality, modularity, refactorability.
"""

import pytest
import inspect
from exonware.xwjson import XWJSONSerializer
@pytest.mark.xwjson_advance
@pytest.mark.xwjson_maintainability


def test_code_modularity():
    """Test code is modular and well-structured."""
    serializer = XWJSONSerializer()
    # Check that components are separated
    assert hasattr(serializer, '_encoder')
    assert hasattr(serializer, '_decoder')
    # Encoder and decoder should be separate classes
    assert serializer._encoder is not None
    assert serializer._decoder is not None
@pytest.mark.xwjson_advance
@pytest.mark.xwjson_maintainability


def test_type_hints_present():
    """Test type hints are present for maintainability."""
    serializer = XWJSONSerializer()
    # Check encode method has type hints
    encode_sig = inspect.signature(serializer.encode)
    assert len(encode_sig.parameters) > 0
    # Check decode method has type hints
    decode_sig = inspect.signature(serializer.decode)
    assert len(decode_sig.parameters) > 0
@pytest.mark.xwjson_advance
@pytest.mark.xwjson_maintainability


def test_design_patterns():
    """Test design patterns are used correctly."""
    from exonware.xwjson.formats.binary.xwjson.dependency_graph import XWJSONDependencyGraph
    # Dependency graph should use strategy pattern
    graph = XWJSONDependencyGraph()
    assert hasattr(graph, 'topological_sort')
    assert hasattr(graph, 'detect_conflicts')
    assert hasattr(graph, 'build_dependencies')
@pytest.mark.xwjson_advance
@pytest.mark.xwjson_maintainability


def test_file_path_comments():
    """Test file path comments are present."""
    import exonware.xwjson.formats.binary.xwjson.serializer as serializer_module
    # Check file has path comment
    source = inspect.getsource(serializer_module)
    assert "#exonware/xwjson" in source or "exonware/xwjson" in source
