test: Add unit test for pydumpling/fake_types.py

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Trigger Info

Trigger Type	Triggered By	Source File	Assignment
Manual	cocolato	pydumpling/fake_types.py	Detail

Summary

This PR introduces a comprehensive suite of unit tests for the FakeType, FakeTraceback, FakeFrame, FakeClass, and FakeCode classes in the pydumpling.fake_types module. The tests ensure the correctness of the functionality and behavior of these classes, including their initialization, attribute handling, and utility methods.

Key Changes:

• Test Coverage for FakeTraceback:

  • Tests for initialization with and without a mock traceback object.

  • Validation of attributes like tb_frame, tb_lineno, tb_next, and tb_lasti.

• Test Coverage for FakeFrame:

  • Tests for initialization with a mock frame object.

  • Validation of attributes like f_code, f_globals, f_lineno, f_back, f_lasti, and f_builtins.

• Test Coverage for FakeCode:

  • Tests for initialization with a mock code object.

  • Validation of attributes like co_filename, co_name, co_argcount, co_consts, co_firstlineno, co_lnotab, co_varnames, co_flags, and co_code.

  • Tests for handling co_lines, co_kwonlyargcount, and co_positions.

• Utility Method Tests:

  • _safe_repr: Ensures safe handling of objects that raise exceptions in their __repr__ method.

  • _convert: Tests for converting various types of objects, including sequences and dictionaries.

  • _convert_dict: Tests for converting dictionaries with simple and complex keys.

Fixtures:

• Added reusable pytest fixtures for mock traceback, frame, and code objects to streamline test setup.

These tests enhance the reliability of the pydumpling.fake_types module by verifying its behavior under various scenarios and edge cases.

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