+++ /dev/null
-
-from __future__ import absolute_import
-from time import tzset
-import helpers, math, os, re, subprocess
-
-from wvtest import *
-
-from bup.compat import bytes_from_byte, bytes_from_uint, environ
-from bup.helpers import (atomically_replaced_file, batchpipe, detect_fakeroot,
- grafted_path_components, mkdirp, parse_num,
- path_components, readpipe, stripped_path_components,
- shstr,
- utc_offset_str)
-from buptest import no_lingering_errors, test_tempdir
-import bup._helpers as _helpers
-
-
-bup_tmp = os.path.realpath(b'../../../t/tmp')
-mkdirp(bup_tmp)
-
-
-@wvtest
-def test_parse_num():
- with no_lingering_errors():
- pn = parse_num
- WVPASSEQ(pn(b'1'), 1)
- WVPASSEQ(pn('1'), 1)
- WVPASSEQ(pn('0'), 0)
- WVPASSEQ(pn('1.5k'), 1536)
- WVPASSEQ(pn('2 gb'), 2*1024*1024*1024)
- WVPASSEQ(pn('1e+9 k'), 1000000000 * 1024)
- WVPASSEQ(pn('-3e-3mb'), int(-0.003 * 1024 * 1024))
-
-@wvtest
-def test_detect_fakeroot():
- with no_lingering_errors():
- if b'FAKEROOTKEY' in environ:
- WVPASS(detect_fakeroot())
- else:
- WVPASS(not detect_fakeroot())
-
-@wvtest
-def test_path_components():
- with no_lingering_errors():
- WVPASSEQ(path_components(b'/'), [(b'', b'/')])
- WVPASSEQ(path_components(b'/foo'), [(b'', b'/'), (b'foo', b'/foo')])
- WVPASSEQ(path_components(b'/foo/'), [(b'', b'/'), (b'foo', b'/foo')])
- WVPASSEQ(path_components(b'/foo/bar'),
- [(b'', b'/'), (b'foo', b'/foo'), (b'bar', b'/foo/bar')])
- WVEXCEPT(Exception, path_components, b'foo')
-
-
-@wvtest
-def test_stripped_path_components():
- with no_lingering_errors():
- WVPASSEQ(stripped_path_components(b'/', []), [(b'', b'/')])
- WVPASSEQ(stripped_path_components(b'/', [b'']), [(b'', b'/')])
- WVPASSEQ(stripped_path_components(b'/', [b'/']), [(b'', b'/')])
- WVPASSEQ(stripped_path_components(b'/foo', [b'/']),
- [(b'', b'/'), (b'foo', b'/foo')])
- WVPASSEQ(stripped_path_components(b'/', [b'/foo']), [(b'', b'/')])
- WVPASSEQ(stripped_path_components(b'/foo', [b'/bar']),
- [(b'', b'/'), (b'foo', b'/foo')])
- WVPASSEQ(stripped_path_components(b'/foo', [b'/foo']), [(b'', b'/foo')])
- WVPASSEQ(stripped_path_components(b'/foo/bar', [b'/foo']),
- [(b'', b'/foo'), (b'bar', b'/foo/bar')])
- WVPASSEQ(stripped_path_components(b'/foo/bar', [b'/bar', b'/foo', b'/baz']),
- [(b'', b'/foo'), (b'bar', b'/foo/bar')])
- WVPASSEQ(stripped_path_components(b'/foo/bar/baz', [b'/foo/bar/baz']),
- [(b'', b'/foo/bar/baz')])
- WVEXCEPT(Exception, stripped_path_components, b'foo', [])
-
-
-@wvtest
-def test_grafted_path_components():
- with no_lingering_errors():
- WVPASSEQ(grafted_path_components([(b'/chroot', b'/')], b'/foo'),
- [(b'', b'/'), (b'foo', b'/foo')])
- WVPASSEQ(grafted_path_components([(b'/foo/bar', b'/')],
- b'/foo/bar/baz/bax'),
- [(b'', b'/foo/bar'),
- (b'baz', b'/foo/bar/baz'),
- (b'bax', b'/foo/bar/baz/bax')])
- WVPASSEQ(grafted_path_components([(b'/foo/bar/baz', b'/bax')],
- b'/foo/bar/baz/1/2'),
- [(b'', None),
- (b'bax', b'/foo/bar/baz'),
- (b'1', b'/foo/bar/baz/1'),
- (b'2', b'/foo/bar/baz/1/2')])
- WVPASSEQ(grafted_path_components([(b'/foo', b'/bar/baz/bax')],
- b'/foo/bar'),
- [(b'', None),
- (b'bar', None),
- (b'baz', None),
- (b'bax', b'/foo'),
- (b'bar', b'/foo/bar')])
- WVPASSEQ(grafted_path_components([(b'/foo/bar/baz', b'/a/b/c')],
- b'/foo/bar/baz'),
- [(b'', None), (b'a', None), (b'b', None), (b'c', b'/foo/bar/baz')])
- WVPASSEQ(grafted_path_components([(b'/', b'/a/b/c/')], b'/foo/bar'),
- [(b'', None), (b'a', None), (b'b', None), (b'c', b'/'),
- (b'foo', b'/foo'), (b'bar', b'/foo/bar')])
- WVEXCEPT(Exception, grafted_path_components, b'foo', [])
-
-
-@wvtest
-def test_shstr():
- with no_lingering_errors():
- # Do nothing for strings and bytes
- WVPASSEQ(shstr(b''), b'')
- WVPASSEQ(shstr(b'1'), b'1')
- WVPASSEQ(shstr(b'1 2'), b'1 2')
- WVPASSEQ(shstr(b"1'2"), b"1'2")
- WVPASSEQ(shstr(''), '')
- WVPASSEQ(shstr('1'), '1')
- WVPASSEQ(shstr('1 2'), '1 2')
- WVPASSEQ(shstr("1'2"), "1'2")
-
- # Escape parts of sequences
- WVPASSEQ(shstr((b'1 2', b'3')), b"'1 2' 3")
- WVPASSEQ(shstr((b"1'2", b'3')), b"'1'\"'\"'2' 3")
- WVPASSEQ(shstr((b"'1", b'3')), b"''\"'\"'1' 3")
- WVPASSEQ(shstr(('1 2', '3')), "'1 2' 3")
- WVPASSEQ(shstr(("1'2", '3')), "'1'\"'\"'2' 3")
- WVPASSEQ(shstr(("'1", '3')), "''\"'\"'1' 3")
-
-
-@wvtest
-def test_readpipe():
- with no_lingering_errors():
- x = readpipe([b'echo', b'42'])
- WVPASSEQ(x, b'42\n')
- try:
- readpipe([b'bash', b'-c', b'exit 42'])
- except Exception as ex:
- rx = '^subprocess b?"bash -c \'exit 42\'" failed with status 42$'
- if not re.match(rx, str(ex)):
- WVPASSEQ(str(ex), rx)
-
-
-@wvtest
-def test_batchpipe():
- with no_lingering_errors():
- for chunk in batchpipe([b'echo'], []):
- WVPASS(False)
- out = b''
- for chunk in batchpipe([b'echo'], [b'42']):
- out += chunk
- WVPASSEQ(out, b'42\n')
- try:
- batchpipe([b'bash', b'-c'], [b'exit 42'])
- except Exception as ex:
- WVPASSEQ(str(ex),
- "subprocess 'bash -c exit 42' failed with status 42")
- args = [str(x) for x in range(6)]
- # Force batchpipe to break the args into batches of 3. This
- # approach assumes all args are the same length.
- arg_max = \
- helpers._argmax_base([b'echo']) + helpers._argmax_args_size(args[:3])
- batches = batchpipe(['echo'], args, arg_max=arg_max)
- WVPASSEQ(next(batches), b'0 1 2\n')
- WVPASSEQ(next(batches), b'3 4 5\n')
- WVPASSEQ(next(batches, None), None)
- batches = batchpipe([b'echo'], [str(x) for x in range(5)], arg_max=arg_max)
- WVPASSEQ(next(batches), b'0 1 2\n')
- WVPASSEQ(next(batches), b'3 4\n')
- WVPASSEQ(next(batches, None), None)
-
-
-@wvtest
-def test_atomically_replaced_file():
- with no_lingering_errors():
- with test_tempdir(b'bup-thelper-') as tmpdir:
- target_file = os.path.join(tmpdir, b'test-atomic-write')
-
- with atomically_replaced_file(target_file, mode='w') as f:
- f.write('asdf')
- WVPASSEQ(f.mode, 'w')
- f = open(target_file, 'r')
- WVPASSEQ(f.read(), 'asdf')
-
- try:
- with atomically_replaced_file(target_file, mode='w') as f:
- f.write('wxyz')
- raise Exception()
- except:
- pass
- with open(target_file) as f:
- WVPASSEQ(f.read(), 'asdf')
-
- with atomically_replaced_file(target_file, mode='wb') as f:
- f.write(os.urandom(20))
- WVPASSEQ(f.mode, 'wb')
-
-
-def set_tz(tz):
- if not tz:
- del environ[b'TZ']
- else:
- environ[b'TZ'] = tz
- tzset()
-
-
-@wvtest
-def test_utc_offset_str():
- with no_lingering_errors():
- tz = environ.get(b'TZ')
- tzset()
- try:
- set_tz(b'FOO+0:00')
- WVPASSEQ(utc_offset_str(0), b'+0000')
- set_tz(b'FOO+1:00')
- WVPASSEQ(utc_offset_str(0), b'-0100')
- set_tz(b'FOO-1:00')
- WVPASSEQ(utc_offset_str(0), b'+0100')
- set_tz(b'FOO+3:3')
- WVPASSEQ(utc_offset_str(0), b'-0303')
- set_tz(b'FOO-3:3')
- WVPASSEQ(utc_offset_str(0), b'+0303')
- # Offset is not an integer number of minutes
- set_tz(b'FOO+3:3:3')
- WVPASSEQ(utc_offset_str(1), b'-0303')
- set_tz(b'FOO-3:3:3')
- WVPASSEQ(utc_offset_str(1), b'+0303')
- WVPASSEQ(utc_offset_str(314159), b'+0303')
- finally:
- if tz:
- set_tz(tz)
- else:
- try:
- set_tz(None)
- except KeyError:
- pass
-
-@wvtest
-def test_valid_save_name():
- with no_lingering_errors():
- valid = helpers.valid_save_name
- WVPASS(valid(b'x'))
- WVPASS(valid(b'x@'))
- WVFAIL(valid(b'@'))
- WVFAIL(valid(b'/'))
- WVFAIL(valid(b'/foo'))
- WVFAIL(valid(b'foo/'))
- WVFAIL(valid(b'/foo/'))
- WVFAIL(valid(b'foo//bar'))
- WVFAIL(valid(b'.'))
- WVFAIL(valid(b'bar.'))
- WVFAIL(valid(b'foo@{'))
- for x in b' ~^:?*[\\':
- WVFAIL(valid(b'foo' + bytes_from_byte(x)))
- for i in range(20):
- WVFAIL(valid(b'foo' + bytes_from_uint(i)))
- WVFAIL(valid(b'foo' + bytes_from_uint(0x7f)))
- WVFAIL(valid(b'foo..bar'))
- WVFAIL(valid(b'bar.lock/baz'))
- WVFAIL(valid(b'foo/bar.lock/baz'))
- WVFAIL(valid(b'.bar/baz'))
- WVFAIL(valid(b'foo/.bar/baz'))
projects / bup.git / blobdiff