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# Copyright 2013 Google Inc.
# Copyright 2011, Nexenta Systems Inc.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish, dis-
# tribute, sublicense, and/or sell copies of the Software, and to permit
# persons to whom the Software is furnished to do so, subject to the fol-
# lowing conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
import os
import unittest
from boto.s3.keyfile import KeyFile
from tests.integration.s3.mock_storage_service import MockConnection
from tests.integration.s3.mock_storage_service import MockBucket
class KeyfileTest(unittest.TestCase):
def setUp(self):
service_connection = MockConnection()
self.contents = '0123456789'
bucket = MockBucket(service_connection, 'mybucket')
key = bucket.new_key('mykey')
key.set_contents_from_string(self.contents)
self.keyfile = KeyFile(key)
def tearDown(self):
self.keyfile.close()
def testReadFull(self):
self.assertEqual(self.keyfile.read(len(self.contents)), self.contents)
def testReadPartial(self):
self.assertEqual(self.keyfile.read(5), self.contents[:5])
self.assertEqual(self.keyfile.read(5), self.contents[5:])
def testTell(self):
self.assertEqual(self.keyfile.tell(), 0)
self.keyfile.read(4)
self.assertEqual(self.keyfile.tell(), 4)
self.keyfile.read(6)
self.assertEqual(self.keyfile.tell(), 10)
self.keyfile.close()
try:
self.keyfile.tell()
except ValueError as e:
self.assertEqual(str(e), 'I/O operation on closed file')
def testSeek(self):
self.assertEqual(self.keyfile.read(4), self.contents[:4])
self.keyfile.seek(0)
self.assertEqual(self.keyfile.read(4), self.contents[:4])
self.keyfile.seek(5)
self.assertEqual(self.keyfile.read(5), self.contents[5:])
# Seeking negative should raise.
try:
self.keyfile.seek(-5)
except IOError as e:
self.assertEqual(str(e), 'Invalid argument')
# Reading past end of file is supposed to return empty string.
self.keyfile.read(10)
self.assertEqual(self.keyfile.read(20), '')
# Seeking past end of file is supposed to silently work.
self.keyfile.seek(50)
self.assertEqual(self.keyfile.tell(), 50)
self.assertEqual(self.keyfile.read(1), '')
def testSeekEnd(self):
self.assertEqual(self.keyfile.read(4), self.contents[:4])
self.keyfile.seek(0, os.SEEK_END)
self.assertEqual(self.keyfile.read(1), '')
self.keyfile.seek(-1, os.SEEK_END)
self.assertEqual(self.keyfile.tell(), 9)
self.assertEqual(self.keyfile.read(1), '9')
# Test attempt to seek backwards past the start from the end.
try:
self.keyfile.seek(-100, os.SEEK_END)
except IOError as e:
self.assertEqual(str(e), 'Invalid argument')
def testSeekCur(self):
self.assertEqual(self.keyfile.read(1), self.contents[0])
self.keyfile.seek(1, os.SEEK_CUR)
self.assertEqual(self.keyfile.tell(), 2)
self.assertEqual(self.keyfile.read(4), self.contents[2:6])
def testSetEtag(self):
# Make sure both bytes and strings work as contents. This is one of the
# very few places Boto uses the mock key object.
# https://github.com/GoogleCloudPlatform/gsutil/issues/214#issuecomment-49906044
self.keyfile.key.data = b'test'
self.keyfile.key.set_etag()
self.assertEqual(self.keyfile.key.etag, '098f6bcd4621d373cade4e832627b4f6')
self.keyfile.key.etag = None
self.keyfile.key.data = 'test'
self.keyfile.key.set_etag()
self.assertEqual(self.keyfile.key.etag, '098f6bcd4621d373cade4e832627b4f6')