tests for PoC!

modules/tests-main.py

@@ -0,0 +1,76 @@
+#import re
+from pathlib import Path
+from typing import cast, TYPE_CHECKING
+
+from test_driver.machine import Machine
+from test_driver.errors import RequestedAssertionFailed
+
+DEFAULT_NIX = "@DEFAULT_NIX@"
+CONFIGURATION_NIX = "@CONFIGURATION_NIX@"
+DYNAMICISM = "@DYNAMICISM@"
+
+if TYPE_CHECKING:
+    global machine
+    machine = cast(Machine, ...)
+
+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
+
+def get_config_file() -> Path:
+    machine.wait_for_unit("gotosocial.service")
+    gotosocial_pid = int(machine.get_unit_property("gotosocial.service", "MainPID"))
+    print(f"{gotosocial_pid=}")
+
+    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())
+
+    return machine.out_dir / config_file.name
+
+
+machine.wait_for_unit("default.target")
+assert "lix" in run_log(machine, "nix --version").lower()
+
+print(f"{CONFIGURATION_NIX=}")
+machine.succeed("mkdir -vp /etc/nixos")
+machine.copy_from_host(CONFIGURATION_NIX, "/etc/nixos")
+machine.copy_from_host(DYNAMICISM, "/etc/nixos")
+
+run_log(machine, f"nix build --log-format multiline-with-logs --impure -E 'import <nixpkgs/nixos> {{ configuration = {CONFIGURATION_NIX}; }}'")
+run_log(machine, f"nixos-rebuild switch --file {CONFIGURATION_NIX} --verbose --print-build-logs")
+
+config_file_local = get_config_file()
+machine.log(f"opening copied file: {config_file_local=}")
+with open(config_file_local, "r") as f:
+    text = f.read()
+    lines = text.splitlines()
+    application_name = next(line for line in lines if line.startswith("application-name:"))
+    assert "gotosocial-for-machine" in application_name, f"'gotosocial-for-machine' should be in {application_name=}"
+
+print(f"{DEFAULT_NIX=}")
+
+run_log(machine, "eza -lah --color=always --group-directories-first --tree /etc/")
+
+#exec_start = machine.succeed("systemctl show gotosocial.service --property=ExecStart --value")
+#exec_start = machine.succeed("systemctl show gotosocial.service --property=ExecStart --value")
+
+#service_text = machine.succeed("systemctl show gotosocial.service")
+#service_props = dict(line.split("=", maxsplit=1) for line in service_text.splitlines())
+#exec_start = service_props['ExecStart']
+#print(f"{exec_start=}")