xref: /curl/tests/util.py (revision 2bc1d775) 
1#!/usr/bin/env python3
2# -*- coding: utf-8 -*-
3#
4#  Project                     ___| | | |  _ \| |
5#                             / __| | | | |_) | |
6#                            | (__| |_| |  _ <| |___
7#                             \___|\___/|_| \_\_____|
8#
9# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
10#
11# This software is licensed as described in the file COPYING, which
12# you should have received as part of this distribution. The terms
13# are also available at https://curl.se/docs/copyright.html.
14#
15# You may opt to use, copy, modify, merge, publish, distribute and/or sell
16# copies of the Software, and permit persons to whom the Software is
17# furnished to do so, under the terms of the COPYING file.
18#
19# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
20# KIND, either express or implied.
21#
22# SPDX-License-Identifier: curl
23#
24"""Module for extracting test data from the test data folder and other utils"""
25
26from __future__ import (absolute_import, division, print_function,
27                        unicode_literals)
28
29import logging
30import os
31import re
32
33log = logging.getLogger(__name__)
34
35
36REPLY_DATA = re.compile("<reply>[ \t\n\r]*<data[^<]*>(.*?)</data>", re.MULTILINE | re.DOTALL)
37
38
39class ClosingFileHandler(logging.StreamHandler):
40    def __init__(self, filename):
41        super(ClosingFileHandler, self).__init__()
42        self.filename = os.path.abspath(filename)
43        self.setStream(None)
44
45    def emit(self, record):
46        with open(self.filename, "a") as fp:
47            self.setStream(fp)
48            super(ClosingFileHandler, self).emit(record)
49            self.setStream(None)
50
51    def setStream(self, stream):
52        setStream = getattr(super(ClosingFileHandler, self), 'setStream', None)
53        if callable(setStream):
54            return setStream(stream)
55        if stream is self.stream:
56            result = None
57        else:
58            result = self.stream
59            self.acquire()
60            try:
61                self.flush()
62                self.stream = stream
63            finally:
64                self.release()
65        return result
66
67class TestData(object):
68    def __init__(self, data_folder):
69        self.data_folder = data_folder
70
71    def get_test_data(self, test_number):
72        # Create the test file name
73        filename = os.path.join(self.data_folder,
74                                "test{0}".format(test_number))
75
76        log.debug("Parsing file %s", filename)
77
78        with open(filename, "rb") as f:
79            contents = f.read().decode("utf-8")
80
81        m = REPLY_DATA.search(contents)
82        if not m:
83            raise Exception("Couldn't find a <reply><data> section")
84
85        # Left-strip the data so we don't get a newline before our data.
86        return m.group(1).lstrip()
87
88
89if __name__ == '__main__':
90    td = TestData("./data")
91    data = td.get_test_data(1)
92    print(data)
93