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dupeguru/hscommon/tests/util_test.py
2014-02-01 16:18:00 -05:00

320 lines
11 KiB
Python

# Created By: Virgil Dupras
# Created On: 2011-01-11
# Copyright 2014 Hardcoded Software (http://www.hardcoded.net)
#
# This software is licensed under the "BSD" License as described in the "LICENSE" file,
# which should be included with this package. The terms are also available at
# http://www.hardcoded.net/licenses/bsd_license
from io import StringIO
from pytest import raises
from ..testutil import eq_
from ..path import Path
from ..util import *
def test_nonone():
eq_('foo', nonone('foo', 'bar'))
eq_('bar', nonone(None, 'bar'))
def test_tryint():
eq_(42,tryint('42'))
eq_(0,tryint('abc'))
eq_(0,tryint(None))
eq_(42,tryint(None, 42))
def test_minmax():
eq_(minmax(2, 1, 3), 2)
eq_(minmax(0, 1, 3), 1)
eq_(minmax(4, 1, 3), 3)
#--- Sequence
def test_first():
eq_(first([3, 2, 1]), 3)
eq_(first(i for i in [3, 2, 1] if i < 3), 2)
def test_flatten():
eq_([1,2,3,4],flatten([[1,2],[3,4]]))
eq_([],flatten([]))
def test_dedupe():
reflist = [0,7,1,2,3,4,4,5,6,7,1,2,3]
eq_(dedupe(reflist),[0,7,1,2,3,4,5,6])
def test_stripfalse():
eq_([1, 2, 3], stripfalse([None, 0, 1, 2, 3, None]))
def test_extract():
wheat, shaft = extract(lambda n: n % 2 == 0, list(range(10)))
eq_(wheat, [0, 2, 4, 6, 8])
eq_(shaft, [1, 3, 5, 7, 9])
def test_allsame():
assert allsame([42, 42, 42])
assert not allsame([42, 43, 42])
assert not allsame([43, 42, 42])
# Works on non-sequence as well
assert allsame(iter([42, 42, 42]))
def test_trailiter():
eq_(list(trailiter([])), [])
eq_(list(trailiter(['foo'])), [(None, 'foo')])
eq_(list(trailiter(['foo', 'bar'])), [(None, 'foo'), ('foo', 'bar')])
eq_(list(trailiter(['foo', 'bar'], skipfirst=True)), [('foo', 'bar')])
eq_(list(trailiter([], skipfirst=True)), []) # no crash
#--- String
def test_escape():
eq_('f\\o\\ob\\ar', escape('foobar', 'oa'))
eq_('f*o*ob*ar', escape('foobar', 'oa', '*'))
eq_('f*o*ob*ar', escape('foobar', set('oa'), '*'))
def test_get_file_ext():
eq_(get_file_ext("foobar"), "")
eq_(get_file_ext("foo.bar"), "bar")
eq_(get_file_ext("foobar."), "")
eq_(get_file_ext(".foobar"), "foobar")
def test_rem_file_ext():
eq_(rem_file_ext("foobar"), "foobar")
eq_(rem_file_ext("foo.bar"), "foo")
eq_(rem_file_ext("foobar."), "foobar")
eq_(rem_file_ext(".foobar"), "")
def test_pluralize():
eq_('0 song', pluralize(0,'song'))
eq_('1 song', pluralize(1,'song'))
eq_('2 songs', pluralize(2,'song'))
eq_('1 song', pluralize(1.1,'song'))
eq_('2 songs', pluralize(1.5,'song'))
eq_('1.1 songs', pluralize(1.1,'song',1))
eq_('1.5 songs', pluralize(1.5,'song',1))
eq_('2 entries', pluralize(2,'entry', plural_word='entries'))
def test_format_time():
eq_(format_time(0),'00:00:00')
eq_(format_time(1),'00:00:01')
eq_(format_time(23),'00:00:23')
eq_(format_time(60),'00:01:00')
eq_(format_time(101),'00:01:41')
eq_(format_time(683),'00:11:23')
eq_(format_time(3600),'01:00:00')
eq_(format_time(3754),'01:02:34')
eq_(format_time(36000),'10:00:00')
eq_(format_time(366666),'101:51:06')
eq_(format_time(0, with_hours=False),'00:00')
eq_(format_time(1, with_hours=False),'00:01')
eq_(format_time(23, with_hours=False),'00:23')
eq_(format_time(60, with_hours=False),'01:00')
eq_(format_time(101, with_hours=False),'01:41')
eq_(format_time(683, with_hours=False),'11:23')
eq_(format_time(3600, with_hours=False),'60:00')
eq_(format_time(6036, with_hours=False),'100:36')
eq_(format_time(60360, with_hours=False),'1006:00')
def test_format_time_decimal():
eq_(format_time_decimal(0), '0.0 second')
eq_(format_time_decimal(1), '1.0 second')
eq_(format_time_decimal(23), '23.0 seconds')
eq_(format_time_decimal(60), '1.0 minute')
eq_(format_time_decimal(101), '1.7 minutes')
eq_(format_time_decimal(683), '11.4 minutes')
eq_(format_time_decimal(3600), '1.0 hour')
eq_(format_time_decimal(6036), '1.7 hours')
eq_(format_time_decimal(86400), '1.0 day')
eq_(format_time_decimal(160360), '1.9 days')
def test_format_size():
eq_(format_size(1024), '1 KB')
eq_(format_size(1024,2), '1.00 KB')
eq_(format_size(1024,0,2), '1 MB')
eq_(format_size(1024,2,2), '0.01 MB')
eq_(format_size(1024,3,2), '0.001 MB')
eq_(format_size(1024,3,2,False), '0.001')
eq_(format_size(1023), '1023 B')
eq_(format_size(1023,0,1), '1 KB')
eq_(format_size(511,0,1), '1 KB')
eq_(format_size(9), '9 B')
eq_(format_size(99), '99 B')
eq_(format_size(999), '999 B')
eq_(format_size(9999), '10 KB')
eq_(format_size(99999), '98 KB')
eq_(format_size(999999), '977 KB')
eq_(format_size(9999999), '10 MB')
eq_(format_size(99999999), '96 MB')
eq_(format_size(999999999), '954 MB')
eq_(format_size(9999999999), '10 GB')
eq_(format_size(99999999999), '94 GB')
eq_(format_size(999999999999), '932 GB')
eq_(format_size(9999999999999), '10 TB')
eq_(format_size(99999999999999), '91 TB')
eq_(format_size(999999999999999), '910 TB')
eq_(format_size(9999999999999999), '9 PB')
eq_(format_size(99999999999999999), '89 PB')
eq_(format_size(999999999999999999), '889 PB')
eq_(format_size(9999999999999999999), '9 EB')
eq_(format_size(99999999999999999999), '87 EB')
eq_(format_size(999999999999999999999), '868 EB')
eq_(format_size(9999999999999999999999), '9 ZB')
eq_(format_size(99999999999999999999999), '85 ZB')
eq_(format_size(999999999999999999999999), '848 ZB')
def test_remove_invalid_xml():
eq_(remove_invalid_xml('foo\0bar\x0bbaz'), 'foo bar baz')
# surrogate blocks have to be replaced, but not the rest
eq_(remove_invalid_xml('foo\ud800bar\udfffbaz\ue000'), 'foo bar baz\ue000')
# replace with something else
eq_(remove_invalid_xml('foo\0baz', replace_with='bar'), 'foobarbaz')
def test_multi_replace():
eq_('136',multi_replace('123456',('2','45')))
eq_('1 3 6',multi_replace('123456',('2','45'),' '))
eq_('1 3 6',multi_replace('123456','245',' '))
eq_('173896',multi_replace('123456','245','789'))
eq_('173896',multi_replace('123456','245',('7','8','9')))
eq_('17386',multi_replace('123456',('2','45'),'78'))
eq_('17386',multi_replace('123456',('2','45'),('7','8')))
with raises(ValueError):
multi_replace('123456',('2','45'),('7','8','9'))
eq_('17346',multi_replace('12346',('2','45'),'78'))
#--- Files
class TestCase_modified_after:
def test_first_is_modified_after(self, monkeyplus):
monkeyplus.patch_osstat('first', st_mtime=42)
monkeyplus.patch_osstat('second', st_mtime=41)
assert modified_after('first', 'second')
def test_second_is_modified_after(self, monkeyplus):
monkeyplus.patch_osstat('first', st_mtime=42)
monkeyplus.patch_osstat('second', st_mtime=43)
assert not modified_after('first', 'second')
def test_same_mtime(self, monkeyplus):
monkeyplus.patch_osstat('first', st_mtime=42)
monkeyplus.patch_osstat('second', st_mtime=42)
assert not modified_after('first', 'second')
def test_first_file_does_not_exist(self, monkeyplus):
# when the first file doesn't exist, we return False
monkeyplus.patch_osstat('second', st_mtime=42)
assert not modified_after('does_not_exist', 'second') # no crash
def test_second_file_does_not_exist(self, monkeyplus):
# when the second file doesn't exist, we return True
monkeyplus.patch_osstat('first', st_mtime=42)
assert modified_after('first', 'does_not_exist') # no crash
def test_first_file_is_none(self, monkeyplus):
# when the first file is None, we return False
monkeyplus.patch_osstat('second', st_mtime=42)
assert not modified_after(None, 'second') # no crash
def test_second_file_is_none(self, monkeyplus):
# when the second file is None, we return True
monkeyplus.patch_osstat('first', st_mtime=42)
assert modified_after('first', None) # no crash
class TestCase_delete_if_empty:
def test_is_empty(self, tmpdir):
testpath = Path(str(tmpdir))
assert delete_if_empty(testpath)
assert not testpath.exists()
def test_not_empty(self, tmpdir):
testpath = Path(str(tmpdir))
testpath['foo'].mkdir()
assert not delete_if_empty(testpath)
assert testpath.exists()
def test_with_files_to_delete(self, tmpdir):
testpath = Path(str(tmpdir))
testpath['foo'].open('w')
testpath['bar'].open('w')
assert delete_if_empty(testpath, ['foo', 'bar'])
assert not testpath.exists()
def test_directory_in_files_to_delete(self, tmpdir):
testpath = Path(str(tmpdir))
testpath['foo'].mkdir()
assert not delete_if_empty(testpath, ['foo'])
assert testpath.exists()
def test_delete_files_to_delete_only_if_dir_is_empty(self, tmpdir):
testpath = Path(str(tmpdir))
testpath['foo'].open('w')
testpath['bar'].open('w')
assert not delete_if_empty(testpath, ['foo'])
assert testpath.exists()
assert testpath['foo'].exists()
def test_doesnt_exist(self):
# When the 'path' doesn't exist, just do nothing.
delete_if_empty(Path('does_not_exist')) # no crash
def test_is_file(self, tmpdir):
# When 'path' is a file, do nothing.
p = Path(str(tmpdir)) + 'filename'
p.open('w').close()
delete_if_empty(p) # no crash
def test_ioerror(self, tmpdir, monkeypatch):
# if an IO error happens during the operation, ignore it.
def do_raise(*args, **kw):
raise OSError()
monkeypatch.setattr(Path, 'rmdir', do_raise)
delete_if_empty(Path(str(tmpdir))) # no crash
class TestCase_open_if_filename:
def test_file_name(self, tmpdir):
filepath = str(tmpdir.join('test.txt'))
open(filepath, 'wb').write(b'test_data')
file, close = open_if_filename(filepath)
assert close
eq_(b'test_data', file.read())
file.close()
def test_opened_file(self):
sio = StringIO()
sio.write('test_data')
sio.seek(0)
file, close = open_if_filename(sio)
assert not close
eq_('test_data', file.read())
def test_mode_is_passed_to_open(self, tmpdir):
filepath = str(tmpdir.join('test.txt'))
open(filepath, 'w').close()
file, close = open_if_filename(filepath, 'a')
eq_('a', file.mode)
file.close()
class TestCase_FileOrPath:
def test_path(self, tmpdir):
filepath = str(tmpdir.join('test.txt'))
open(filepath, 'wb').write(b'test_data')
with FileOrPath(filepath) as fp:
eq_(b'test_data', fp.read())
def test_opened_file(self):
sio = StringIO()
sio.write('test_data')
sio.seek(0)
with FileOrPath(sio) as fp:
eq_('test_data', fp.read())
def test_mode_is_passed_to_open(self, tmpdir):
filepath = str(tmpdir.join('test.txt'))
open(filepath, 'w').close()
with FileOrPath(filepath, 'a') as fp:
eq_('a', fp.mode)