-from bup.helpers import *
+
+from __future__ import absolute_import
+from time import tzset
+import helpers, math, os, os.path, 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():
- pn = parse_num
- 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_strip_path():
- prefix = "/var/backup/daily.0/localhost"
- empty_prefix = ""
- non_matching_prefix = "/home"
- path = "/var/backup/daily.0/localhost/etc/"
-
- WVPASSEQ(strip_path(prefix, path), '/etc')
- WVPASSEQ(strip_path(empty_prefix, path), path)
- WVPASSEQ(strip_path(non_matching_prefix, path), path)
- WVEXCEPT(Exception, strip_path, None, path)
-
-@wvtest
-def test_strip_base_path():
- path = "/var/backup/daily.0/localhost/etc/"
- base_paths = ["/var", "/var/backup", "/var/backup/daily.0/localhost"]
- WVPASSEQ(strip_base_path(path, base_paths), '/etc')
-
-@wvtest
-def test_graft_path():
- middle_matching_old_path = "/user"
- non_matching_old_path = "/usr"
- matching_old_path = "/home"
- matching_full_path = "/home/user"
- new_path = "/opt"
-
- all_graft_points = [(middle_matching_old_path, new_path),
- (non_matching_old_path, new_path),
- (matching_old_path, new_path)]
-
- path = "/home/user/"
-
- WVPASSEQ(graft_path([(middle_matching_old_path, new_path)], path),
- "/home/user")
- WVPASSEQ(graft_path([(non_matching_old_path, new_path)], path),
- "/home/user")
- WVPASSEQ(graft_path([(matching_old_path, new_path)], path), "/opt/user")
- WVPASSEQ(graft_path(all_graft_points, path), "/opt/user")
- WVPASSEQ(graft_path([(matching_full_path, new_path)], path),
- "/opt")
+ 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