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# -*- coding: utf-8 -*-
# The MIT License (MIT)
#
# Copyright © 2014 Tim Bielawa <timbielawa@gmail.com>
#
# 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, distribute, sublicense, and/or sell copies of the Software,
# and to permit persons to whom the Software is furnished to do so,
# subject to the following 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
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
# 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.
"""
Tests to verify that string representations are accurate
"""
from . import TestCase
import bitmath
import os
class TestFileSize(TestCase):
# expected sizes are given in bytes
def setUp(self):
self.byte_file = './tests/file_sizes/bytes.test'
self.kibibyte_file = './tests/file_sizes/kbytes.test'
# *****************************************************************
# getsize
# *****************************************************************
##################################################################
# NIST tests
def test_getsize_byte_system_NIST(self):
"""NIST: getsize reports the correct type and size for byte sized files"""
expected = bitmath.Byte(bytes=38)
result = bitmath.getsize(self.byte_file, system=bitmath.NIST)
self.assertEqual(result, expected)
self.assertIs(type(result), bitmath.Byte)
def test_getsize_kibibyte_system_NIST(self):
"""NIST: getsize reports the correct type and size for kibibyte sized files"""
expected = bitmath.KiB(bytes=1024)
result = bitmath.getsize(self.kibibyte_file, system=bitmath.NIST)
self.assertEqual(result, expected)
self.assertIs(type(result), bitmath.KiB)
##################################################################
# SI tests
def test_getsize_byte_system_SI(self):
"""SI: getsize reports the correct type and size for byte sized files"""
expected = bitmath.Byte(bytes=38)
result = bitmath.getsize(self.byte_file, system=bitmath.SI)
self.assertEqual(result, expected)
self.assertIs(type(result), bitmath.Byte)
def test_getsize_kibibyte_system_SI(self):
"""SI: getsize reports the correct type and size for kibibyte sized files"""
expected = bitmath.kB(bytes=1024)
result = bitmath.getsize(self.kibibyte_file, system=bitmath.SI)
self.assertEqual(result, expected)
self.assertIs(type(result), bitmath.kB)
# *****************************************************************
# listdir
# *****************************************************************
def test_listdir_nosymlinks(self):
"""listdir: no symbolic links in tree measures right
Assume a directory tree where no sub-directories are symbolic links::
$ tree ./tests/listdir_nosymlinks
./tests/listdir_nosymlinks
`-- depth1
`-- depth2
|-- 1024_byte_file
`-- 10_byte_file
2 directories, 2 files
And the files, ``tests/listdir_nosymlinks/depth1/depth2/10_byte_file``
and ``tests/listdir_nosymlinks/depth1/depth2/1024_byte_file`` are 10
Bytes and 1024 Bytes in size, respectively.
Then:
>>> for f in bitmath.listdir('./tests/listdir_nosymlinks'):
... print f
Would yield 2-tuple's of:
('/path/tests/listdir_nosymlinks/depth1/depth2/10_byte_file', Byte(10.0))
('/path/tests/listdir_nosymlinks/depth1/depth2/1024_byte_file', KiB(1.0))
"""
# Call with relpath=True so the paths are easier to verify
contents = list(bitmath.listdir('./tests/listdir_nosymlinks/',
relpath=True))
# Ensure the returned paths match the expected paths
discovered_paths = [
contents[0][0],
contents[1][0],
]
expected_paths = [
'tests/listdir_nosymlinks/depth1/depth2/10_byte_file',
'tests/listdir_nosymlinks/depth1/depth2/1024_byte_file'
]
self.assertListEqual(discovered_paths, expected_paths)
expected_sizes = [
bitmath.Byte(10.0),
bitmath.Byte(1024.0)
]
discovered_sizes = [
contents[0][1],
contents[1][1]
]
self.assertListEqual(discovered_sizes, expected_sizes)
# 2018-03-18 - Commenting this out for now. This is failing during
# RPM building. I have no idea why or when this began
# happening. Tests work from the command line, but not during the
# %check part of RPM building.
#
# It APPEARS that rpmbuild is dereferencing symlinks when
# unpacking and copying the dist archive contents. Rather than
# '10_byte_file_link' appearing as a link, it is a real file.
# @unittest.expectedFailure
# def test_listdir_symlinks_nofollow(self):
# """listdir: symbolic links in tree not followed
# Similar assumptions as in test_listdir_nosymlinks, except the
# directory structure looks like this:
# $ tree tests/listdir_symlinks
# tests/listdir_symlinks
# |-- 10_byte_file_link -> ../listdir/10_byte_file
# `-- depth1
# `-- depth2
# `-- 10_byte_file
# 2 directories, 2 files
# """
# # Call with relpath=True so the paths are easier to verify
# contents = list(bitmath.listdir('./tests/listdir_symlinks/', relpath=True))
# # Ensure the returned path matches the expected path
# self.assertEqual(contents[0][0], 'tests/listdir_symlinks/depth1/depth2/10_byte_file')
# # Ensure the measured size is what we expect
# self.assertEqual(contents[0][1], bitmath.Byte(10.0))
def test_listdir_symlinks_follow(self):
"""listdir: symbolic links in tree are followed
Same assumptions as in test_listdir_symlinks_nofollow.
"""
# Call with relpath=True so the paths are easier to verify
contents = list(bitmath.listdir('./tests/listdir_symlinks/',
followlinks=True,
relpath=True))
# Ensure the returned path matches the expected path
expected_paths = [
'tests/listdir_symlinks/10_byte_file_link',
'tests/listdir_symlinks/depth1/depth2/10_byte_file'
]
discovered_paths = [
contents[0][0],
contents[1][0]
]
self.assertListEqual(discovered_paths, expected_paths)
# Ensure the measured size is what we expect
expected_sizes = [
bitmath.Byte(10.0),
bitmath.Byte(10.0)
]
discovered_sizes = [
contents[0][1],
contents[1][1]
]
self.assertListEqual(discovered_sizes, expected_sizes)
def test_listdir_symlinks_follow_relpath_false(self):
"""listdir: symlinks followed, absolute paths are returned
Same assumptions as in test_listdir_symlinks_follow. Difference is
that the 0th item of the tuple returns a fully qualified path.
"""
contents = list(bitmath.listdir('./tests/listdir_symlinks/',
followlinks=True))
# Ensure the returned path matches the expected path and
# begins with the present working directory
pwd = os.path.realpath('.')
expected_paths = [
os.path.join(pwd, contents[0][0]),
os.path.join(pwd, contents[1][0])
]
discovered_paths = [
contents[0][0],
contents[1][0]
]
self.assertListEqual(discovered_paths, expected_paths)
# Ensure the measured size is what we expect
expected_sizes = [
bitmath.Byte(10.0),
bitmath.Byte(10.0)
]
discovered_sizes = [
contents[0][1],
contents[1][1]
]
self.assertListEqual(discovered_sizes, expected_sizes)
def test_listdir_filtering_nosymlinks(self):
"""listdir: no symbolic links in tree measures right with a filter
Same assumptions as test_listdir_nosymlinks."""
# Call with relpath=True so the paths are easier to verify
contents = list(bitmath.listdir('./tests/listdir_nosymlinks/',
relpath=True,
# Should only find 1 file, 1024_byte_file
filter='1024*'))
# Ensure the returned path matches the expected path
self.assertEqual(contents[0][0],
'tests/listdir_nosymlinks/depth1/depth2/1024_byte_file')
# Ensure the measured size is what we expect
self.assertEqual(contents[0][1], bitmath.KiB(1.0))
def test_listdir_filtering_empty_match_nosymlinks(self):
"""listdir: filtering with nosymlinks returns 0 matches for a filter
Same assumptions as test_listdir_nosymlinks."""
# Call with relpath=True so the paths are easier to verify
contents = list(bitmath.listdir('./tests/listdir_nosymlinks/',
relpath=True,
# Should find no matches
filter='*notafile*'))
# There should be one file discovered
self.assertEqual(len(contents), int(0))
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