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from __future__ import annotations
import argparse
import sys
from pathlib import Path
from web_poet.testing import Fixture
def rerun(args):
fixture = Fixture(Path(args.fixture_path))
item = fixture.get_output()
if args.fields:
fields = args.fields.split(",")
unknown_fields = sorted(set(fields) - item.keys())
if unknown_fields:
print(
f"Unknown field names: {unknown_fields}. "
f"Allowed names are: {sorted(item.keys())}\n",
file=sys.stderr,
)
item = {field: item[field] for field in fields if field in item}
print(fixture.item_to_json(item))
def main(argv=None):
parser = argparse.ArgumentParser(
prog="python -m web_poet.testing",
description="web-poet testing utilities",
)
subparsers = parser.add_subparsers()
parser_rerun = subparsers.add_parser(
"rerun",
description="Run the page object used in a fixture, print its output "
"as JSON. This is most useful when the page object is changed, "
"and you want to update the test case."
"",
)
parser_rerun.add_argument("fixture_path", type=str, help="Path to a fixture")
parser_rerun.add_argument(
"--fields", "-f", type=str, help="Field names, comma-separated"
)
parser_rerun.set_defaults(func=rerun)
args = parser.parse_args(argv)
if hasattr(args, "func"):
args.func(args)
else:
parser.print_help()
if __name__ == "__main__":
main()
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