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# Created By: Virgil Dupras
# Created On: 2011-01-11
# Copyright 2015 Hardcoded Software (http://www.hardcoded.net)
#
# This software is licensed under the "GPLv3" License as described in the "LICENSE" file,
# which should be included with this package. The terms are also available at
# http://www.gnu.org/licenses/gpl-3.0.html
from io import StringIO
from pytest import raises
from hscommon.testutil import eq_
from pathlib import Path
from hscommon.util import (
nonone,
tryint,
first,
flatten,
dedupe,
extract,
allsame,
format_time,
format_time_decimal,
format_size,
multi_replace,
delete_if_empty,
open_if_filename,
FileOrPath,
iterconsume,
escape,
get_file_ext,
rem_file_ext,
pluralize,
)
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))
# --- 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_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_iterconsume():
# We just want to make sure that we return *all* items and that we're not mistakenly skipping
# one.
eq_(list(range(2500)), list(iterconsume(list(range(2500)))))
eq_(list(reversed(range(2500))), list(iterconsume(list(range(2500)), reverse=False)))
# --- 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_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 TestCaseDeleteIfEmpty:
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.joinpath("foo").mkdir()
assert not delete_if_empty(testpath)
assert testpath.exists()
def test_with_files_to_delete(self, tmpdir):
testpath = Path(str(tmpdir))
testpath.joinpath("foo").touch()
testpath.joinpath("bar").touch()
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.joinpath("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.joinpath("foo").touch()
testpath.joinpath("bar").touch()
assert not delete_if_empty(testpath, ["foo"])
assert testpath.exists()
assert testpath.joinpath("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)).joinpath("filename")
p.touch()
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 TestCaseOpenIfFilename:
FILE_NAME = "test.txt"
def test_file_name(self, tmpdir):
filepath = str(tmpdir.join(self.FILE_NAME))
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(self.FILE_NAME))
open(filepath, "w").close()
file, close = open_if_filename(filepath, "a")
eq_("a", file.mode)
file.close()
class TestCaseFileOrPath:
FILE_NAME = "test.txt"
def test_path(self, tmpdir):
filepath = str(tmpdir.join(self.FILE_NAME))
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(self.FILE_NAME))
open(filepath, "w").close()
with FileOrPath(filepath, "a") as fp:
eq_("a", fp.mode)
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