working on harmonia

tests/tzupdate/test-script.py

@@ -0,0 +1,52 @@
+#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
+
+machine.wait_for_unit("default.target")
+assert "lix" in machine.succeed("nix --version").lower()
+machine.log("INIT")
+
+
+machine.succeed("nixos-generate-config")
+machine.succeed("mkdir -vp /etc/nixos")
+# Dereference is required since that configuration.nix is probably a symlink to the store.
+machine.succeed("cp -rv --dereference /run/current-system/sw/share/nixos/configuration.nix /etc/nixos/")
+
+machine.succeed("env PAGER= nixos-rebuild switch --log-format raw-with-logs --fallback")
+
+@beartype
+def get_interval() -> str:
+    prop = machine.get_unit_property("tzupdate.timer", "OnCalendar")
+    print(f"{prop=}")
+
+    return prop
+
+get_interval()