mirror of https://github.com/minio/minio.git
181 lines
7.4 KiB
Python
181 lines
7.4 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# MinIO Python Library for Amazon S3 Compatible Cloud Storage,
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# (C) 2015-2020 MinIO, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import io
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import os
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from minio import Minio
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from minio.select import (COMPRESSION_TYPE_NONE, FILE_HEADER_INFO_NONE,
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JSON_TYPE_DOCUMENT, QUOTE_FIELDS_ALWAYS,
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QUOTE_FIELDS_ASNEEDED, CSVInputSerialization,
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CSVOutputSerialization, JSONInputSerialization,
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JSONOutputSerialization, SelectRequest)
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from utils import *
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def test_sql_api(test_name, client, bucket_name, input_data, sql_opts, expected_output):
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""" Test if the passed SQL request has the output equal to the passed execpted one"""
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object_name = generate_object_name()
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got_output = b''
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try:
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bytes_content = io.BytesIO(input_data)
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client.put_object(bucket_name, object_name,
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io.BytesIO(input_data), len(input_data))
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data = client.select_object_content(bucket_name, object_name, sql_opts)
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# Get the records
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records = io.BytesIO()
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for d in data.stream(10*1024):
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records.write(d)
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got_output = records.getvalue()
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except Exception as select_err:
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if not isinstance(expected_output, Exception):
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raise ValueError(
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'Test {} unexpectedly failed with: {}'.format(test_name, select_err))
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else:
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if isinstance(expected_output, Exception):
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raise ValueError(
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'Test {}: expected an exception, got {}'.format(test_name, got_output))
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if got_output != expected_output:
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raise ValueError('Test {}: data mismatch. Expected : {}, Received {}'.format(
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test_name, expected_output, got_output))
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finally:
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client.remove_object(bucket_name, object_name)
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def test_csv_input_custom_quote_char(client, log_output):
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# Get a unique bucket_name and object_name
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log_output.args['bucket_name'] = bucket_name = generate_bucket_name()
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tests = [
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# Invalid quote character, should fail
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('""', '"', b'col1,col2,col3\n', Exception()),
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# UTF-8 quote character
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('ع', '"', 'عcol1ع,عcol2ع,عcol3ع\n'.encode(),
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b'{"_1":"col1","_2":"col2","_3":"col3"}\n'),
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# Only one field is quoted
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('"', '"', b'"col1",col2,col3\n',
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b'{"_1":"col1","_2":"col2","_3":"col3"}\n'),
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('"', '"', b'"col1,col2,col3"\n', b'{"_1":"col1,col2,col3"}\n'),
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('\'', '"', b'"col1",col2,col3\n',
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b'{"_1":"\\"col1\\"","_2":"col2","_3":"col3"}\n'),
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('', '"', b'"col1",col2,col3\n',
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b'{"_1":"\\"col1\\"","_2":"col2","_3":"col3"}\n'),
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('', '"', b'"col1",col2,col3\n',
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b'{"_1":"\\"col1\\"","_2":"col2","_3":"col3"}\n'),
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('', '"', b'"col1","col2","col3"\n',
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b'{"_1":"\\"col1\\"","_2":"\\"col2\\"","_3":"\\"col3\\""}\n'),
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('"', '"', b'""""""\n', b'{"_1":"\\"\\""}\n'),
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('"', '"', b'A",B\n', b'{"_1":"A\\"","_2":"B"}\n'),
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('"', '"', b'A"",B\n', b'{"_1":"A\\"\\"","_2":"B"}\n'),
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('"', '\\', b'A\\B,C\n', b'{"_1":"A\\\\B","_2":"C"}\n'),
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('"', '"', b'"A""B","CD"\n', b'{"_1":"A\\"B","_2":"CD"}\n'),
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('"', '\\', b'"A\\B","CD"\n', b'{"_1":"AB","_2":"CD"}\n'),
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('"', '\\', b'"A\\,","CD"\n', b'{"_1":"A,","_2":"CD"}\n'),
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('"', '\\', b'"A\\"B","CD"\n', b'{"_1":"A\\"B","_2":"CD"}\n'),
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('"', '\\', b'"A\\""\n', b'{"_1":"A\\""}\n'),
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('"', '\\', b'"A\\"\\"B"\n', b'{"_1":"A\\"\\"B"}\n'),
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('"', '\\', b'"A\\"","\\"B"\n', b'{"_1":"A\\"","_2":"\\"B"}\n'),
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]
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client.make_bucket(bucket_name)
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try:
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for idx, (quote_char, escape_char, data, expected_output) in enumerate(tests):
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sql_opts = SelectRequest(
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"select * from s3object",
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CSVInputSerialization(
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compression_type=COMPRESSION_TYPE_NONE,
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file_header_info=FILE_HEADER_INFO_NONE,
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record_delimiter="\n",
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field_delimiter=",",
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quote_character=quote_char,
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quote_escape_character=escape_char,
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comments="#",
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allow_quoted_record_delimiter="FALSE",
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),
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JSONOutputSerialization(
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record_delimiter="\n",
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),
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request_progress=False,
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)
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test_sql_api(f'test_{idx}', client, bucket_name,
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data, sql_opts, expected_output)
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finally:
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client.remove_bucket(bucket_name)
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# Test passes
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print(log_output.json_report())
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def test_csv_output_custom_quote_char(client, log_output):
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# Get a unique bucket_name and object_name
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log_output.args['bucket_name'] = bucket_name = generate_bucket_name()
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tests = [
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# UTF-8 quote character
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("''", "''", b'col1,col2,col3\n', Exception()),
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("'", "'", b'col1,col2,col3\n', b"'col1','col2','col3'\n"),
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("", '"', b'col1,col2,col3\n', b'\x00col1\x00,\x00col2\x00,\x00col3\x00\n'),
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('"', '"', b'col1,col2,col3\n', b'"col1","col2","col3"\n'),
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('"', '"', b'col"1,col2,col3\n', b'"col""1","col2","col3"\n'),
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('"', '"', b'""""\n', b'""""\n'),
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('"', '"', b'\n', b''),
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("'", "\\", b'col1,col2,col3\n', b"'col1','col2','col3'\n"),
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("'", "\\", b'col""1,col2,col3\n', b"'col\"\"1','col2','col3'\n"),
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("'", "\\", b'col\'1,col2,col3\n', b"'col\\'1','col2','col3'\n"),
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("'", "\\", b'"col\'1","col2","col3"\n', b"'col\\'1','col2','col3'\n"),
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("'", "\\", b'col\'\n', b"'col\\''\n"),
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# Two consecutive escaped quotes
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("'", "\\", b'"a"""""\n', b"'a\"\"'\n"),
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]
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client.make_bucket(bucket_name)
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try:
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for idx, (quote_char, escape_char, input_data, expected_output) in enumerate(tests):
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sql_opts = SelectRequest(
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"select * from s3object",
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CSVInputSerialization(
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compression_type=COMPRESSION_TYPE_NONE,
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file_header_info=FILE_HEADER_INFO_NONE,
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record_delimiter="\n",
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field_delimiter=",",
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quote_character='"',
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quote_escape_character='"',
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comments="#",
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allow_quoted_record_delimiter="FALSE",
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),
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CSVOutputSerialization(
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quote_fields=QUOTE_FIELDS_ALWAYS,
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record_delimiter="\n",
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field_delimiter=",",
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quote_character=quote_char,
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quote_escape_character=escape_char,
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),
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request_progress=False,
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)
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test_sql_api(f'test_{idx}', client, bucket_name,
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input_data, sql_opts, expected_output)
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finally:
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client.remove_bucket(bucket_name)
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# Test passes
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print(log_output.json_report())
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