# -*- coding: utf-8 -*-

import unittest
from s3pathlib.validate import validate_s3_bucket, validate_s3_key, validate_s3_uri, validate_s3_arn

class TestS3Validation(unittest.TestCase):

    def test_validate_s3_bucket(self):
        test_cases = [
            # bad case
            ("", False),
            ("a", False),
            ("a" * 100, False),
            ("bucket@example.com", False),
            ("my_bucket", False),
            ("-my-bucket", False),
            ("my-bucket-", False),
            ("my-bucket-", False),
            ("192.168.0.1", False),
            ("xn--my-bucket", False),
            ("my-bucket-s3alias", False),
            # good case
            ("my-bucket", True),
        ]
        for bucket, flag in test_cases:
            if flag:
                validate_s3_bucket(bucket)
            else:
                with self.assertRaises(Exception):
                    validate_s3_bucket(bucket)

    def test_validate_s3_key(self):
        test_cases = [
            # bad cases
            ("a" * 2000, False),
            ("%20", False),
            # good cases
            ("", True),
            ("abcd", True),
        ]
        for key, flag in test_cases:
            if flag:
                validate_s3_key(key)
            else:
                with self.assertRaises(Exception):
                    validate_s3_key(key)

    def test_validate_s3_uri(self):
        test_cases = [
            # bad cases
            ("bucket/key", False),
            ("s3://bucket", False),
            ("s3://ab/%20", False),
            # good cases
            ("s3://bucket/key", True),
            ("s3://bucket/folder/file.txt", True),
            ("s3://bucket/", True),
            ("s3://bucket/folder/", True),
        ]
        for uri, flag in test_cases:
            if flag:
                validate_s3_uri(uri)
            else:
                with self.assertRaises(Exception):
                    validate_s3_uri(uri)

    def test_validate_s3_arn(self):
        test_cases = [
            # bad cases
            ("bucket/key", False),
            ("s3://bucket", False),
            ("arn:aws:s3:::b", False),
            ("arn:aws:s3:::{}".format("b" * 100), False),
            ("arn:aws:s3:::bucket/%20", False),
            # good cases
            ("arn:aws:s3:::bucket/key", True),
            ("arn:aws:s3:::bucket/folder/file.txt", True),
            ("arn:aws:s3:::bucket/", True),
            ("arn:aws:s3:::bucket/folder", True),
            ("arn:aws:s3:::bucket", True),
        ]
        for arn, flag in test_cases:
            if flag:
                validate_s3_arn(arn)
            else:
                with self.assertRaises(Exception):
                    validate_s3_arn(arn)

if __name__ == "__main__":
    unittest.main()