test_compat.py

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# tests/tests_linter/test_compat.py
 
"""
Purpose
-------
Validate the version-parsing utility in ``oct.core.compat``.
 
Responsibilities
----------------
- Confirm that normal dotted version strings parse correctly.
- Confirm that pre-release version strings (alpha, rc) do not crash (OI-421).
- Confirm that single-segment versions parse correctly.
 
Diagnostics
-----------
Domain: LINTER-TESTS
L2: test lifecycle
L3: assertion details
L4: deep tracing
 
Contracts
---------
Inputs:  version strings
Outputs: pass/fail assertions
"""
 
from oct.core.compat import _parse_version_tuple
 
 
def test_normal_version():
    """Standard dotted version string parses correctly."""
    assert _parse_version_tuple("2.0.0") == (2, 0, 0)
 
 
def test_prerelease_alpha():
    """Pre-release alpha string should not crash (OI-421)."""
    result = _parse_version_tuple("2.0.0a1")
    assert result == (2, 0, 0)
 
 
def test_prerelease_rc():
    """Release candidate string should not crash (OI-421)."""
    result = _parse_version_tuple("2.0.0rc2")
    assert result == (2, 0, 0)
 
 
def test_prerelease_beta():
    """Pre-release beta string should not crash (OI-421)."""
    result = _parse_version_tuple("1.2.3b4")
    assert result == (1, 2, 3)
 
 
def test_single_segment():
    """Single-segment version string parses correctly."""
    assert _parse_version_tuple("3") == (3,)
 
 
def test_two_segments():
    """Two-segment version string parses correctly."""
    assert _parse_version_tuple("1.2") == (1, 2)