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# to you under the Apache License, Version 2.0 (the
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from __future__ import annotations

from unittest import mock

from airflow.providers.amazon.aws.operators.s3 import S3ListOperator

TASK_ID = "test-s3-list-operator"
BUCKET = "test-bucket"
DELIMITER = ".csv"
PREFIX = "TEST"
MOCK_FILES = ["TEST1.csv", "TEST2.csv", "TEST3.csv"]


class TestS3ListOperator:
    @mock.patch("airflow.providers.amazon.aws.operators.s3.S3Hook")
    def test_execute(self, mock_hook):

        mock_hook.return_value.list_keys.return_value = MOCK_FILES

        operator = S3ListOperator(task_id=TASK_ID, bucket=BUCKET, prefix=PREFIX, delimiter=DELIMITER)

        files = operator.execute(None)

        mock_hook.return_value.list_keys.assert_called_once_with(
            bucket_name=BUCKET,
            prefix=PREFIX,
            delimiter=DELIMITER,
            apply_wildcard=False,
        )
        assert sorted(files) == sorted(MOCK_FILES)
