tests/test-S3/boto3/__init__.py

   1 # -*- python -*-
   2 # nbdkit
   3 # Copyright Red Hat
   4 #
   5 # Redistribution and use in source and binary forms, with or without
   6 # modification, are permitted provided that the following conditions are
   7 # met:
   8 #
   9 # * Redistributions of source code must retain the above copyright
  10 # notice, this list of conditions and the following disclaimer.
  11 #
  12 # * Redistributions in binary form must reproduce the above copyright
  13 # notice, this list of conditions and the following disclaimer in the
  14 # documentation and/or other materials provided with the distribution.
  15 #
  16 # * Neither the name of Red Hat nor the names of its contributors may be
  17 # used to endorse or promote products derived from this software without
  18 # specific prior written permission.
  19 #
  20 # THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
  21 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  22 # THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  23 # PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
  24 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  27 # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  28 # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  29 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  30 # OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31 # SUCH DAMAGE.
  32
  33 # This fake boto3 module is used to test the S3 plugin.  See also
  34 # tests/test-S3.sh
  35
  36 import re
  37
  38
  39 buf = b'x'*4096 + b'y'*2048 + b'z'*2048
  40
  41
  42 class client(object):
  43     def __init__(
  44             self,
  45             type=None,
  46             aws_access_key_id=None,
  47             aws_secret_access_key=None,
  48             aws_session_token=None,
  49             endpoint_url=None):
  50         assert type == "s3"
  51         assert aws_access_key_id == "TEST_ACCESS_KEY"
  52         assert aws_secret_access_key == "TEST_SECRET_KEY"
  53         assert aws_session_token == "TEST_SESSION_TOKEN"
  54         assert endpoint_url == "TEST_ENDPOINT"
  55
  56     def get_object(
  57             self,
  58             Bucket=None,
  59             Key=None,
  60             Range=None):
  61         assert Bucket == "MY_FILES"
  62         assert Key == "MY_KEY"
  63
  64         if Range is None:
  65             # Return the size in a 'ResponseMetadata'.
  66             return {'ResponseMetadata':
  67                     {'HTTPHeaders':
  68                      {'content-length': len(buf)}}}
  69         else:
  70             # Range must be something like "bytes=N-M".
  71             r = re.match("bytes=(\\d+)-(\\d+)", Range)
  72             assert r
  73             start = int(r.group(1))
  74             end = int(r.group(2))
  75             b = buf[start:end+1]
  76
  77             # Return the data in a 'StreamingBody'.
  78             return {'Body': StreamingBody(b)}
  79
  80
  81 class StreamingBody(object):
  82     def __init__(self, data):
  83         self._data = data
  84
  85     def read(self, size=None):
  86         if size:
  87             return self._data[:size]
  88         else:
  89             return self._data
  90
  91     def close(self):
  92         pass