def test_cli_run_with_subparsers() -> None:
"""Test with subparsers."""
bar = Genbu(
name="bar",
description="Bar.",
callback=lambda: "bar",
)
baz = Genbu(
name="baz",
description="Baz.",
callback=lambda: "baz",
)
foo = Genbu(
name="foo",
description="Foo.",
callback=lambda: "foo",
subparsers=[bar, baz],
)
assert foo.run([]) == "foo"
assert foo.run(["bar"]) == "bar"
assert foo.run(["baz"]) == "baz"
for source in ["ba", "oof", "-h"]:
with pytest.raises(SystemExit):
foo.run(source.split())
def test_genbu_run_with_defaults_in_function_args(default: str) -> None:
"""It should use defaults when no arg is specified."""
def echo(message: str = default) -> t.Any:
"""Return message."""
return message
cli = Genbu(echo)
assert cli.run([]) == default
import sys
from genbu import Genbu, Param, combinators as comb, usage
cli = Genbu(
lambda: print("Hello, world!"),
params=[
Param("_", ["-?", "-h", "--help"],
parser=comb.Emit(True),
aggregator=lambda _: sys.exit(usage(cli))),
],
)
if __name__ == "__main__":
cli.run()
from genbu import Genbu
def echo(*args: str) -> str:
"""Echo strings."""
if not args:
return "Usage: echo [--args <str>...]"
return " ".join(args)
cli = Genbu(echo)
if __name__ == "__main__":
print(cli.run())