nix-direnv/tests/test_gc.py
2022-10-20 13:07:45 +02:00

86 lines
2.5 KiB
Python

#!/usr/bin/env python2
import sys
import subprocess
import unittest
from procs import run
from direnv_project import DirenvProject
def common_test(direnv_project: DirenvProject) -> None:
run(["nix-collect-garbage"])
testenv = str(direnv_project.dir)
out1 = run(
["direnv", "exec", testenv, "hello"],
stderr=subprocess.PIPE,
check=False,
cwd=direnv_project.dir,
)
sys.stderr.write(out1.stderr)
assert out1.returncode == 0
assert "renewed cache" in out1.stderr
assert "Executing shellHook." in out1.stderr
run(["nix-collect-garbage"])
out2 = run(
["direnv", "exec", testenv, "hello"],
stderr=subprocess.PIPE,
check=False,
cwd=direnv_project.dir,
)
sys.stderr.write(out2.stderr)
assert out2.returncode == 0
assert "using cached dev shell" in out2.stderr
assert "Executing shellHook." in out2.stderr
def common_test_clean(direnv_project: DirenvProject, num_expected_files: int) -> None:
testenv = str(direnv_project.dir)
out3 = run(
["direnv", "exec", testenv, "hello"],
stderr=subprocess.PIPE,
check=False,
cwd=direnv_project.dir,
)
sys.stderr.write(out3.stderr)
files = list((direnv_project.dir / ".direnv").iterdir())
assert len(files) == num_expected_files
def test_use_nix(direnv_project: DirenvProject) -> None:
direnv_project.setup_envrc("use nix")
common_test(direnv_project)
# --pure here is just a way to make sure the environment changes
direnv_project.setup_envrc("use nix --pure")
# expecting 2 files in .direnv/ : nix-profile-* and nix-profile-*.rc
common_test_clean(direnv_project, num_expected_files=2)
def test_use_flake(direnv_project: DirenvProject) -> None:
direnv_project.setup_envrc("use flake")
common_test(direnv_project)
inputs = list((direnv_project.dir / ".direnv/flake-inputs").iterdir())
# should only contain our flake-utils flake
if len(inputs) != 3:
run(["nix", "flake", "archive", "--json"], cwd=direnv_project.dir)
print(inputs)
assert len(inputs) == 3
for symlink in inputs:
assert symlink.is_dir()
# --ignore-environment here is just a way to make sure the environment changes
direnv_project.setup_envrc("use flake --ignore-environment")
# expecting 5 files in .direnv/ : 2 x nix-flake-*, 2 x nix-flake-*.rc
# and flake-inputs
common_test_clean(direnv_project, num_expected_files=5)
if __name__ == "__main__":
unittest.main()