import subprocess
import sys
import os
import pytest
import platform
def test_python_executable_health():
"""Verify that sys.executable can actually be run as a subprocess."""
# This checks if shims are working or if they fail with 'realpath' errors
res = subprocess.run([sys.executable, "--version"], capture_output=True, text=True)
assert res.returncode == 0
assert "Python" in res.stdout or "Python" in res.stderr
def test_realpath_availability():
"""Check if 'realpath' command is available on the system."""
if platform.system() == "Darwin" or platform.system() == "Linux":
# We don't ASSERT it exists (since we want to support systems without it),
# but we log its status for debugging.
res = subprocess.run(["which", "realpath"], capture_output=True, text=True)
if res.returncode != 0:
print("\n[DIAGNOSTIC] 'realpath' command NOT found on this system.")
else:
print(f"\n[DIAGNOSTIC] 'realpath' found at: {res.stdout.strip()}")
def test_subprocess_with_env_path():
"""Verify subprocess runs with a standard PATH."""
path = os.environ.get("PATH", "")
print(f"\n[DIAGNOSTIC] Current PATH: {path}")
assert len(path) > 0
def test_os_realpath_consistency():
"""Verify os.path.realpath doesn't crash and returns something sensible."""
resolved = os.path.realpath(sys.executable)
assert os.path.exists(resolved)
print(f"\n[DIAGNOSTIC] sys.executable: {sys.executable}")
print(f"[DIAGNOSTIC] os.path.realpath: {resolved}")
