Files
pkgmgr/tests/e2e/test_install_pkgmgr_shallow.py
Kevin Veen-Birkenbach 9357c4632e Release version 0.7.7
2025-12-09 17:54:41 +01:00

144 lines
4.5 KiB
Python

import runpy
import sys
import os
import unittest
import subprocess
def nix_profile_list_debug(label: str) -> None:
"""
Print `nix profile list` for debugging inside the test container.
Never fails the test.
"""
print(f"\n--- NIX PROFILE LIST ({label}) ---")
proc = subprocess.run(
["nix", "profile", "list"],
capture_output=True,
text=True,
check=False,
)
stdout = proc.stdout.strip()
stderr = proc.stderr.strip()
if stdout:
print(stdout)
if stderr:
print("stderr:", stderr)
print("--- END ---\n")
def remove_pkgmgr_from_nix_profile() -> None:
"""
Best-effort cleanup before running the integration test.
We *do not* try to parse profile indices here, because modern `nix profile list`
prints a descriptive format without an index column inside the container.
Instead, we directly try to remove possible names:
- 'pkgmgr' (the actual name shown in `nix profile list`)
- 'package-manager' (the name mentioned in Nix's own error hints)
"""
for spec in ("pkgmgr", "package-manager"):
subprocess.run(
["nix", "profile", "remove", spec],
check=False, # never fail on cleanup
)
def pkgmgr_help_debug() -> None:
"""
Run `pkgmgr --help` after installation *inside an interactive bash shell*,
print its output and return code, but never fail the test.
Reason:
- The installer adds venv/alias setup into shell rc files (~/.bashrc, ~/.zshrc)
- Those changes are only applied in a new interactive shell session.
"""
print("\n--- PKGMGR HELP (after installation, via bash -i) ---")
# Simulate a fresh interactive bash, so ~/.bashrc gets sourced
proc = subprocess.run(
["bash", "-i", "-c", "pkgmgr --help"],
capture_output=True,
text=True,
check=False,
env=os.environ.copy(),
)
stdout = proc.stdout.strip()
stderr = proc.stderr.strip()
if stdout:
print(stdout)
if stderr:
print("stderr:", stderr)
print(f"returncode: {proc.returncode}")
print("--- END ---\n")
# Important: this is **debug-only**. Do NOT fail the test here.
# If you ever want to hard-assert on this, you can add an explicit
# assertion in the test method instead of here.
class TestIntegrationInstalPKGMGRShallow(unittest.TestCase):
def test_install_pkgmgr_self_install(self) -> None:
"""
End-to-end test that runs "python main.py install pkgmgr ..." inside
the test container.
We isolate HOME into /tmp/pkgmgr-self-install so that:
- ~/.config/pkgmgr points to an isolated test config area
- ~/Repositories is owned by the current user inside the container
(avoiding Nix's 'repository path is not owned by current user' error)
"""
# Use a dedicated HOME for this test to avoid permission/ownership issues
temp_home = "/tmp/pkgmgr-self-install"
os.makedirs(temp_home, exist_ok=True)
original_argv = sys.argv
original_environ = os.environ.copy()
try:
# Isolate HOME so that ~ expands to /tmp/pkgmgr-self-install
os.environ["HOME"] = temp_home
# Optional: ensure XDG_* also use the temp HOME for extra isolation
os.environ.setdefault("XDG_CONFIG_HOME", os.path.join(temp_home, ".config"))
os.environ.setdefault("XDG_CACHE_HOME", os.path.join(temp_home, ".cache"))
os.environ.setdefault("XDG_DATA_HOME", os.path.join(temp_home, ".local", "share"))
# Debug before cleanup
nix_profile_list_debug("BEFORE CLEANUP")
# Cleanup: aggressively try to drop any pkgmgr/profile entries
remove_pkgmgr_from_nix_profile()
# Debug after cleanup
nix_profile_list_debug("AFTER CLEANUP")
sys.argv = [
"python",
"install",
"pkgmgr",
"--clone-mode",
"shallow",
"--no-verification",
]
# Run installation via main.py
runpy.run_module("main", run_name="__main__")
# After successful installation: run `pkgmgr --help` for debug
pkgmgr_help_debug()
finally:
sys.argv = original_argv
# Restore full environment
os.environ.clear()
os.environ.update(original_environ)
if __name__ == "__main__":
unittest.main()