dynix/tests/gotosocial/test-script.py
2026-02-17 19:48:53 +01:00

120 lines
4.1 KiB
Python

from pathlib import Path
import shlex
import textwrap
from typing import cast, TYPE_CHECKING
from beartype import beartype
from test_driver.machine import Machine
from test_driver.errors import RequestedAssertionFailed
if TYPE_CHECKING:
global machine
machine = cast(Machine, ...)
assert machine.shell is not None
ls = "eza -lah --color=always --group-directories-first"
@beartype
def run_log(machine: Machine, *commands: str, timeout: int | None = 60) -> str:
output = ""
for command in commands:
with machine.nested(f"must succeed: {command}"):
(status, out) = machine.execute(f"{command} | tee /dev/stderr", timeout=timeout)
if status != 0:
machine.log(f"output: {out}")
raise RequestedAssertionFailed(
f"command `{command}` failed (exit code {status})",
)
output += out
return output
@beartype
def get_config_file() -> str:
machine.wait_for_unit("gotosocial.service")
gotosocial_pid = int(machine.get_unit_property("gotosocial.service", "MainPID"))
cmdline = machine.succeed(f"cat /proc/{gotosocial_pid}/cmdline")
cmdline_args = cmdline.split("\0")
config_file_idx = cmdline_args.index("--config-path") + 1
config_file = Path(cmdline_args[config_file_idx])
machine.log(f"copying from VM: {config_file=}")
machine.copy_from_vm(config_file.as_posix())
config_file_path = machine.out_dir / config_file.name
with open(config_file_path, "r") as f:
data = f.read()
config_file_path.unlink()
return data
@beartype
def dynix_append(option: str, value: str):
machine.succeed(f'''
dynix append {shlex.quote(option)} {shlex.quote(value)}
'''.strip())
@beartype
def do_apply():
expr = textwrap.dedent("""
let
nixos = import <nixpkgs/nixos> { };
in nixos.config.dynamicism.applyDynamicConfiguration {
baseConfiguration = /etc/nixos/configuration.nix;
newConfiguration = /etc/nixos/dynamic.nix;
}
""").strip()
machine.succeed(rf"""
nix run --show-trace --log-format raw-with-logs --impure -E {shlex.quote(expr)}
""".strip())
machine.wait_for_unit("default.target")
assert "lix" in machine.succeed("nix --version").lower()
machine.wait_for_unit("install-dynix.service")
dynix_out = machine.succeed("dynix --version")
assert "dynix" in dynix_out, f"dynix not in {dynix_out=}"
machine.log("REBUILDING configuration inside VM")
machine.succeed("env PAGER= nixos-rebuild switch --log-format raw-with-logs --fallback")
machine.wait_for_unit("gotosocial.service")
# Make sure the config before any dynamic changes is what we expect.
config_text = get_config_file()
lines = config_text.splitlines()
try:
application_name = next(line for line in lines if line.startswith("application-name:"))
except StopIteration:
raise AssertionError(f"no 'application-name:' found in config file: {textwrap.indent(config_text, " ")}")
assert "gotosocial-for-machine" in application_name, f"'gotosocial-for-machine' should be in {application_name=}"
new_app_name = "yay!"
dynix_append("services.gotosocial.settings.application-name", f'"{new_app_name}"')
do_apply()
config_text = get_config_file()
lines = config_text.splitlines()
try:
application_name = next(line for line in lines if line.startswith("application-name:"))
except StopIteration:
raise AssertionError(f"no 'application-name:' found in config file: {textwrap.indent(config_text, " ")}")
assert new_app_name in application_name, f"'{new_app_name}' should be in {application_name=}"
machine.log("REBUILDING configuration inside VM")
machine.succeed("env PAGER= nixos-rebuild switch --log-format raw-with-logs --fallback")
machine.wait_for_unit("gotosocial.service")
config_text = get_config_file()
lines = config_text.splitlines()
try:
application_name = next(line for line in lines if line.startswith("application-name:"))
except StopIteration:
raise AssertionError(f"no 'application-name:' found in config file: {textwrap.indent(config_text, " ")}")
assert "gotosocial-for-machine" in application_name, f"'gotosocial-for-machine' should be in {application_name=}"