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|
# Copyright (c) 2010-2023 OpenStack Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Tests for swift.common.utils.timestamp"""
import random
import time
import unittest
from unittest import mock
from swift.common.utils import timestamp
class TestTimestamp(unittest.TestCase):
"""Tests for swift.common.utils.timestamp.Timestamp"""
def test_invalid_input(self):
with self.assertRaises(ValueError):
timestamp.Timestamp(time.time(), offset=-1)
with self.assertRaises(ValueError):
timestamp.Timestamp('123.456_78_90')
def test_invalid_string_conversion(self):
t = timestamp.Timestamp.now()
self.assertRaises(TypeError, str, t)
def test_offset_limit(self):
t = 1417462430.78693
# can't have a offset above MAX_OFFSET
with self.assertRaises(ValueError):
timestamp.Timestamp(t, offset=timestamp.MAX_OFFSET + 1)
# exactly max offset is fine
ts = timestamp.Timestamp(t, offset=timestamp.MAX_OFFSET)
self.assertEqual(ts.internal, '1417462430.78693_ffffffffffffffff')
# but you can't offset it further
with self.assertRaises(ValueError):
timestamp.Timestamp(ts.internal, offset=1)
# unless you start below it
ts = timestamp.Timestamp(t, offset=timestamp.MAX_OFFSET - 1)
self.assertEqual(timestamp.Timestamp(ts.internal, offset=1),
'1417462430.78693_ffffffffffffffff')
def test_normal_format_no_offset(self):
expected = '1402436408.91203'
test_values = (
'1402436408.91203',
'1402436408.91203_00000000',
'1402436408.912030000',
'1402436408.912030000_0000000000000',
'000001402436408.912030000',
'000001402436408.912030000_0000000000',
1402436408.91203,
1402436408.912029,
1402436408.9120300000000000,
1402436408.91202999999999999,
timestamp.Timestamp(1402436408.91203),
timestamp.Timestamp(1402436408.91203, offset=0),
timestamp.Timestamp(1402436408.912029),
timestamp.Timestamp(1402436408.912029, offset=0),
timestamp.Timestamp('1402436408.91203'),
timestamp.Timestamp('1402436408.91203', offset=0),
timestamp.Timestamp('1402436408.91203_00000000'),
timestamp.Timestamp('1402436408.91203_00000000', offset=0),
)
for value in test_values:
ts = timestamp.Timestamp(value)
self.assertEqual(ts.normal, expected)
# timestamp instance can also compare to string or float
self.assertEqual(ts, expected)
self.assertEqual(ts, float(expected))
self.assertEqual(ts, timestamp.normalize_timestamp(expected))
def test_isoformat(self):
expected = '2014-06-10T22:47:32.054580'
test_values = (
'1402440452.05458',
'1402440452.054579',
'1402440452.05458_00000000',
'1402440452.054579_00000000',
'1402440452.054580000',
'1402440452.054579999',
'1402440452.054580000_0000000000000',
'1402440452.054579999_0000ff00',
'000001402440452.054580000',
'000001402440452.0545799',
'000001402440452.054580000_0000000000',
'000001402440452.054579999999_00000fffff',
1402440452.05458,
1402440452.054579,
1402440452.0545800000000000,
1402440452.054579999,
timestamp.Timestamp(1402440452.05458),
timestamp.Timestamp(1402440452.0545799),
timestamp.Timestamp(1402440452.05458, offset=0),
timestamp.Timestamp(1402440452.05457999999, offset=0),
timestamp.Timestamp(1402440452.05458, offset=100),
timestamp.Timestamp(1402440452.054579, offset=100),
timestamp.Timestamp('1402440452.05458'),
timestamp.Timestamp('1402440452.054579999'),
timestamp.Timestamp('1402440452.05458', offset=0),
timestamp.Timestamp('1402440452.054579', offset=0),
timestamp.Timestamp('1402440452.05458', offset=300),
timestamp.Timestamp('1402440452.05457999', offset=300),
timestamp.Timestamp('1402440452.05458_00000000'),
timestamp.Timestamp('1402440452.05457999_00000000'),
timestamp.Timestamp('1402440452.05458_00000000', offset=0),
timestamp.Timestamp('1402440452.05457999_00000aaa', offset=0),
timestamp.Timestamp('1402440452.05458_00000000', offset=400),
timestamp.Timestamp('1402440452.054579_0a', offset=400),
)
for value in test_values:
self.assertEqual(timestamp.Timestamp(value).isoformat, expected)
expected = '1970-01-01T00:00:00.000000'
test_values = (
'0',
'0000000000.00000',
'0000000000.00000_ffffffffffff',
0,
0.0,
)
for value in test_values:
self.assertEqual(timestamp.Timestamp(value).isoformat, expected)
def test_from_isoformat(self):
ts = timestamp.Timestamp.from_isoformat('2014-06-10T22:47:32.054580')
self.assertIsInstance(ts, timestamp.Timestamp)
self.assertEqual(1402440452.05458, float(ts))
self.assertEqual('2014-06-10T22:47:32.054580', ts.isoformat)
ts = timestamp.Timestamp.from_isoformat('1970-01-01T00:00:00.000000')
self.assertIsInstance(ts, timestamp.Timestamp)
self.assertEqual(0.0, float(ts))
self.assertEqual('1970-01-01T00:00:00.000000', ts.isoformat)
ts = timestamp.Timestamp(1402440452.05458)
self.assertIsInstance(ts, timestamp.Timestamp)
self.assertEqual(ts, timestamp.Timestamp.from_isoformat(ts.isoformat))
def test_ceil(self):
self.assertEqual(0.0, timestamp.Timestamp(0).ceil())
self.assertEqual(1.0, timestamp.Timestamp(0.00001).ceil())
self.assertEqual(0.0, timestamp.Timestamp(0.000001).ceil())
self.assertEqual(1.0, timestamp.Timestamp(0.000006).ceil())
self.assertEqual(12345678.0, timestamp.Timestamp(12345678.0).ceil())
self.assertEqual(12345678.0,
timestamp.Timestamp(12345678.000001).ceil())
self.assertEqual(12345679.0,
timestamp.Timestamp(12345678.000006).ceil())
def test_not_equal(self):
ts = '1402436408.91203_0000000000000001'
test_values = (
timestamp.Timestamp('1402436408.91203_0000000000000002'),
timestamp.Timestamp('1402436408.91203'),
timestamp.Timestamp(1402436408.91203),
timestamp.Timestamp(1402436408.91204),
timestamp.Timestamp(1402436408.91203, offset=0),
timestamp.Timestamp(1402436408.91203, offset=2),
)
for value in test_values:
self.assertTrue(value != ts)
self.assertIs(True, timestamp.Timestamp(ts) == ts) # sanity
self.assertIs(False,
timestamp.Timestamp(ts) != timestamp.Timestamp(ts))
self.assertIs(False, timestamp.Timestamp(ts) != ts)
self.assertIs(False, timestamp.Timestamp(ts) is None)
self.assertIs(True, timestamp.Timestamp(ts) is not None)
def test_no_force_internal_no_offset(self):
"""Test that internal is the same as normal with no offset"""
with mock.patch('swift.common.utils.timestamp.FORCE_INTERNAL',
new=False):
self.assertEqual(timestamp.Timestamp(0).internal,
'0000000000.00000')
self.assertEqual(timestamp.Timestamp(1402437380.58186).internal,
'1402437380.58186')
self.assertEqual(timestamp.Timestamp(1402437380.581859).internal,
'1402437380.58186')
self.assertEqual(timestamp.Timestamp(0).internal,
timestamp.normalize_timestamp(0))
def test_no_force_internal_with_offset(self):
"""Test that internal always includes the offset if significant"""
with mock.patch('swift.common.utils.timestamp.FORCE_INTERNAL',
new=False):
self.assertEqual(timestamp.Timestamp(0, offset=1).internal,
'0000000000.00000_0000000000000001')
self.assertEqual(
timestamp.Timestamp(1402437380.58186, offset=16).internal,
'1402437380.58186_0000000000000010')
self.assertEqual(
timestamp.Timestamp(1402437380.581859, offset=240).internal,
'1402437380.58186_00000000000000f0')
self.assertEqual(
timestamp.Timestamp('1402437380.581859_00000001',
offset=240).internal,
'1402437380.58186_00000000000000f1')
def test_force_internal(self):
"""Test that internal always includes the offset if forced"""
with mock.patch('swift.common.utils.timestamp.FORCE_INTERNAL',
new=True):
self.assertEqual(timestamp.Timestamp(0).internal,
'0000000000.00000_0000000000000000')
self.assertEqual(timestamp.Timestamp(1402437380.58186).internal,
'1402437380.58186_0000000000000000')
self.assertEqual(timestamp.Timestamp(1402437380.581859).internal,
'1402437380.58186_0000000000000000')
self.assertEqual(timestamp.Timestamp(0, offset=1).internal,
'0000000000.00000_0000000000000001')
self.assertEqual(
timestamp.Timestamp(1402437380.58186, offset=16).internal,
'1402437380.58186_0000000000000010')
self.assertEqual(
timestamp.Timestamp(1402437380.581859, offset=16).internal,
'1402437380.58186_0000000000000010')
def test_internal_format_no_offset(self):
expected = '1402436408.91203_0000000000000000'
test_values = (
'1402436408.91203',
'1402436408.91203_00000000',
'1402436408.912030000',
'1402436408.912030000_0000000000000',
'000001402436408.912030000',
'000001402436408.912030000_0000000000',
1402436408.91203,
1402436408.9120300000000000,
1402436408.912029,
1402436408.912029999999999999,
timestamp.Timestamp(1402436408.91203),
timestamp.Timestamp(1402436408.91203, offset=0),
timestamp.Timestamp(1402436408.912029),
timestamp.Timestamp(1402436408.91202999999999999, offset=0),
timestamp.Timestamp('1402436408.91203'),
timestamp.Timestamp('1402436408.91203', offset=0),
timestamp.Timestamp('1402436408.912029'),
timestamp.Timestamp('1402436408.912029', offset=0),
timestamp.Timestamp('1402436408.912029999999999'),
timestamp.Timestamp('1402436408.912029999999999', offset=0),
)
for value in test_values:
# timestamp instance is always equivalent
self.assertEqual(timestamp.Timestamp(value), expected)
if timestamp.FORCE_INTERNAL:
# the FORCE_INTERNAL flag makes the internal format always
# include the offset portion of the timestamp even when it's
# not significant and would be bad during upgrades
self.assertEqual(timestamp.Timestamp(value).internal, expected)
else:
# unless we FORCE_INTERNAL, when there's no offset the
# internal format is equivalent to the normalized format
self.assertEqual(timestamp.Timestamp(value).internal,
'1402436408.91203')
def test_internal_format_with_offset(self):
expected = '1402436408.91203_00000000000000f0'
test_values = (
'1402436408.91203_000000f0',
u'1402436408.91203_000000f0',
b'1402436408.91203_000000f0',
'1402436408.912030000_0000000000f0',
'1402436408.912029_000000f0',
'1402436408.91202999999_0000000000f0',
'000001402436408.912030000_000000000f0',
'000001402436408.9120299999_000000000f0',
timestamp.Timestamp(1402436408.91203, offset=240),
timestamp.Timestamp(1402436408.912029, offset=240),
timestamp.Timestamp('1402436408.91203', offset=240),
timestamp.Timestamp('1402436408.91203_00000000', offset=240),
timestamp.Timestamp('1402436408.91203_0000000f', offset=225),
timestamp.Timestamp('1402436408.9120299999', offset=240),
timestamp.Timestamp('1402436408.9120299999_00000000', offset=240),
timestamp.Timestamp('1402436408.9120299999_00000010', offset=224),
)
for value in test_values:
ts = timestamp.Timestamp(value)
self.assertEqual(ts.internal, expected)
# can compare with offset if the string is internalized
self.assertEqual(ts, expected)
# if comparison value only includes the normalized portion and the
# timestamp includes an offset, it is considered greater
normal = timestamp.Timestamp(expected).normal
self.assertTrue(ts > normal,
'%r is not bigger than %r given %r' % (
ts, normal, value))
self.assertTrue(ts > float(normal),
'%r is not bigger than %f given %r' % (
ts, float(normal), value))
def test_short_format_with_offset(self):
expected = '1402436408.91203_f0'
ts = timestamp.Timestamp(1402436408.91203, 0xf0)
self.assertEqual(expected, ts.short)
expected = '1402436408.91203'
ts = timestamp.Timestamp(1402436408.91203)
self.assertEqual(expected, ts.short)
def test_raw(self):
expected = 140243640891203
ts = timestamp.Timestamp(1402436408.91203)
self.assertEqual(expected, ts.raw)
self.assertEqual('1402436408.91203', ts.normal)
# 'raw' does not include offset
ts = timestamp.Timestamp(1402436408.91203, 0xf0)
self.assertEqual(expected, ts.raw)
expected = 175507756652338
ts = timestamp.Timestamp(1755077566.523385)
self.assertEqual(expected, ts.raw)
self.assertEqual('1755077566.52338', ts.normal)
def test_delta(self):
def _assertWithinBounds(expected, timestamp):
tolerance = 0.00001
minimum = expected - tolerance
maximum = expected + tolerance
self.assertTrue(float(timestamp) > minimum)
self.assertTrue(float(timestamp) < maximum)
ts = timestamp.Timestamp(1402436408.91203, delta=100)
_assertWithinBounds(1402436408.91303, ts)
self.assertEqual(140243640891303, ts.raw)
ts = timestamp.Timestamp(1402436408.91203, delta=-100)
_assertWithinBounds(1402436408.91103, ts)
self.assertEqual(140243640891103, ts.raw)
ts = timestamp.Timestamp(1402436408.91203, delta=0)
_assertWithinBounds(1402436408.91203, ts)
self.assertEqual(140243640891203, ts.raw)
# delta is independent of offset
ts = timestamp.Timestamp(1402436408.91203, offset=42, delta=100)
self.assertEqual(140243640891303, ts.raw)
self.assertEqual(42, ts.offset)
# cannot go negative
self.assertRaises(ValueError, timestamp.Timestamp, 1402436408.91203,
delta=-140243640891203)
def test_int(self):
expected = 1402437965
test_values = (
'1402437965.91203',
'1402437965.91203_00000000',
'1402437965.912030000',
'1402437965.912030000_0000000000000',
'000001402437965.912030000',
'000001402437965.912030000_0000000000',
1402437965.91203,
1402437965.9120300000000000,
1402437965.912029,
1402437965.912029999999999999,
timestamp.Timestamp(1402437965.91203),
timestamp.Timestamp(1402437965.91203, offset=0),
timestamp.Timestamp(1402437965.91203, offset=500),
timestamp.Timestamp(1402437965.912029),
timestamp.Timestamp(1402437965.91202999999999999, offset=0),
timestamp.Timestamp(1402437965.91202999999999999, offset=300),
timestamp.Timestamp('1402437965.91203'),
timestamp.Timestamp('1402437965.91203', offset=0),
timestamp.Timestamp('1402437965.91203', offset=400),
timestamp.Timestamp('1402437965.912029'),
timestamp.Timestamp('1402437965.912029', offset=0),
timestamp.Timestamp('1402437965.912029', offset=200),
timestamp.Timestamp('1402437965.912029999999999'),
timestamp.Timestamp('1402437965.912029999999999', offset=0),
timestamp.Timestamp('1402437965.912029999999999', offset=100),
)
for value in test_values:
ts = timestamp.Timestamp(value)
self.assertEqual(int(ts), expected)
self.assertTrue(ts > expected)
def test_float(self):
expected = 1402438115.91203
test_values = (
'1402438115.91203',
'1402438115.91203_00000000',
'1402438115.912030000',
'1402438115.912030000_0000000000000',
'000001402438115.912030000',
'000001402438115.912030000_0000000000',
1402438115.91203,
1402438115.9120300000000000,
1402438115.912029,
1402438115.912029999999999999,
timestamp.Timestamp(1402438115.91203),
timestamp.Timestamp(1402438115.91203, offset=0),
timestamp.Timestamp(1402438115.91203, offset=500),
timestamp.Timestamp(1402438115.912029),
timestamp.Timestamp(1402438115.91202999999999999, offset=0),
timestamp.Timestamp(1402438115.91202999999999999, offset=300),
timestamp.Timestamp('1402438115.91203'),
timestamp.Timestamp('1402438115.91203', offset=0),
timestamp.Timestamp('1402438115.91203', offset=400),
timestamp.Timestamp('1402438115.912029'),
timestamp.Timestamp('1402438115.912029', offset=0),
timestamp.Timestamp('1402438115.912029', offset=200),
timestamp.Timestamp('1402438115.912029999999999'),
timestamp.Timestamp('1402438115.912029999999999', offset=0),
timestamp.Timestamp('1402438115.912029999999999', offset=100),
)
tolerance = 0.00001
minimum = expected - tolerance
maximum = expected + tolerance
for value in test_values:
ts = timestamp.Timestamp(value)
self.assertTrue(float(ts) > minimum,
'%f is not bigger than %f given %r' % (
ts, minimum, value))
self.assertTrue(float(ts) < maximum,
'%f is not smaller than %f given %r' % (
ts, maximum, value))
# direct comparison of timestamp works too
self.assertTrue(ts > minimum,
'%s is not bigger than %f given %r' % (
ts.normal, minimum, value))
self.assertTrue(ts < maximum,
'%s is not smaller than %f given %r' % (
ts.normal, maximum, value))
# ... even against strings
self.assertTrue(ts > '%f' % minimum,
'%s is not bigger than %s given %r' % (
ts.normal, minimum, value))
self.assertTrue(ts < '%f' % maximum,
'%s is not smaller than %s given %r' % (
ts.normal, maximum, value))
def test_false(self):
self.assertFalse(timestamp.Timestamp(0))
self.assertFalse(timestamp.Timestamp(0, offset=0))
self.assertFalse(timestamp.Timestamp('0'))
self.assertFalse(timestamp.Timestamp('0', offset=0))
self.assertFalse(timestamp.Timestamp(0.0))
self.assertFalse(timestamp.Timestamp(0.0, offset=0))
self.assertFalse(timestamp.Timestamp('0.0'))
self.assertFalse(timestamp.Timestamp('0.0', offset=0))
self.assertFalse(timestamp.Timestamp(00000000.00000000))
self.assertFalse(timestamp.Timestamp(00000000.00000000, offset=0))
self.assertFalse(timestamp.Timestamp('00000000.00000000'))
self.assertFalse(timestamp.Timestamp('00000000.00000000', offset=0))
def test_true(self):
self.assertTrue(timestamp.Timestamp(1))
self.assertTrue(timestamp.Timestamp(1, offset=1))
self.assertTrue(timestamp.Timestamp(0, offset=1))
self.assertTrue(timestamp.Timestamp('1'))
self.assertTrue(timestamp.Timestamp('1', offset=1))
self.assertTrue(timestamp.Timestamp('0', offset=1))
self.assertTrue(timestamp.Timestamp(1.1))
self.assertTrue(timestamp.Timestamp(1.1, offset=1))
self.assertTrue(timestamp.Timestamp(0.0, offset=1))
self.assertTrue(timestamp.Timestamp('1.1'))
self.assertTrue(timestamp.Timestamp('1.1', offset=1))
self.assertTrue(timestamp.Timestamp('0.0', offset=1))
self.assertTrue(timestamp.Timestamp(11111111.11111111))
self.assertTrue(timestamp.Timestamp(11111111.11111111, offset=1))
self.assertTrue(timestamp.Timestamp(00000000.00000000, offset=1))
self.assertTrue(timestamp.Timestamp('11111111.11111111'))
self.assertTrue(timestamp.Timestamp('11111111.11111111', offset=1))
self.assertTrue(timestamp.Timestamp('00000000.00000000', offset=1))
def test_greater_no_offset(self):
now = time.time()
older = now - 1
ts = timestamp.Timestamp(now)
test_values = (
0, '0', 0.0, '0.0', '0000.0000', '000.000_000',
1, '1', 1.1, '1.1', '1111.1111', '111.111_111',
1402443112.213252, '1402443112.213252', '1402443112.213252_ffff',
older, '%f' % older, '%f_0000ffff' % older,
)
for value in test_values:
other = timestamp.Timestamp(value)
self.assertNotEqual(ts, other) # sanity
self.assertTrue(ts > value,
'%r is not greater than %r given %r' % (
ts, value, value))
self.assertTrue(ts > other,
'%r is not greater than %r given %r' % (
ts, other, value))
self.assertTrue(ts > other.normal,
'%r is not greater than %r given %r' % (
ts, other.normal, value))
self.assertTrue(ts > other.internal,
'%r is not greater than %r given %r' % (
ts, other.internal, value))
self.assertTrue(ts > float(other),
'%r is not greater than %r given %r' % (
ts, float(other), value))
self.assertTrue(ts > int(other),
'%r is not greater than %r given %r' % (
ts, int(other), value))
def _test_greater_with_offset(self, now, test_values):
for offset in range(1, 1000, 100):
ts = timestamp.Timestamp(now, offset=offset)
for value in test_values:
other = timestamp.Timestamp(value)
self.assertNotEqual(ts, other) # sanity
self.assertTrue(ts > value,
'%r is not greater than %r given %r' % (
ts, value, value))
self.assertTrue(ts > other,
'%r is not greater than %r given %r' % (
ts, other, value))
self.assertTrue(ts > other.normal,
'%r is not greater than %r given %r' % (
ts, other.normal, value))
self.assertTrue(ts > other.internal,
'%r is not greater than %r given %r' % (
ts, other.internal, value))
self.assertTrue(ts > float(other),
'%r is not greater than %r given %r' % (
ts, float(other), value))
self.assertTrue(ts > int(other),
'%r is not greater than %r given %r' % (
ts, int(other), value))
def test_greater_with_offset(self):
# Part 1: use the natural time of the Python. This is deliciously
# unpredictable, but completely legitimate and realistic. Finds bugs!
now = time.time()
older = now - 1
test_values = (
0, '0', 0.0, '0.0', '0000.0000', '000.000_000',
1, '1', 1.1, '1.1', '1111.1111', '111.111_111',
1402443346.935174, '1402443346.93517', '1402443346.935169_ffff',
older, now,
)
self._test_greater_with_offset(now, test_values)
# Part 2: Same as above, but with fixed time values that reproduce
# specific corner cases.
now = 1519830570.6949348
older = now - 1
test_values = (
0, '0', 0.0, '0.0', '0000.0000', '000.000_000',
1, '1', 1.1, '1.1', '1111.1111', '111.111_111',
1402443346.935174, '1402443346.93517', '1402443346.935169_ffff',
older, now,
)
self._test_greater_with_offset(now, test_values)
# Part 3: The '%f' problem. Timestamps cannot be converted to %f
# strings, then back to timestamps, then compared with originals.
# You can only "import" a floating point representation once.
now = 1519830570.6949348
now = float('%f' % now)
older = now - 1
test_values = (
0, '0', 0.0, '0.0', '0000.0000', '000.000_000',
1, '1', 1.1, '1.1', '1111.1111', '111.111_111',
older, '%f' % older, '%f_0000ffff' % older,
now, '%f' % now, '%s_00000000' % now,
)
self._test_greater_with_offset(now, test_values)
def test_smaller_no_offset(self):
now = time.time()
newer = now + 1
ts = timestamp.Timestamp(now)
test_values = (
9999999999.99999, '9999999999.99999', '9999999999.99999_ffff',
newer, '%f' % newer, '%f_0000ffff' % newer,
)
for value in test_values:
other = timestamp.Timestamp(value)
self.assertNotEqual(ts, other) # sanity
self.assertTrue(ts < value,
'%r is not smaller than %r given %r' % (
ts, value, value))
self.assertTrue(ts < other,
'%r is not smaller than %r given %r' % (
ts, other, value))
self.assertTrue(ts < other.normal,
'%r is not smaller than %r given %r' % (
ts, other.normal, value))
self.assertTrue(ts < other.internal,
'%r is not smaller than %r given %r' % (
ts, other.internal, value))
self.assertTrue(ts < float(other),
'%r is not smaller than %r given %r' % (
ts, float(other), value))
self.assertTrue(ts < int(other),
'%r is not smaller than %r given %r' % (
ts, int(other), value))
def test_smaller_with_offset(self):
now = time.time()
newer = now + 1
test_values = (
9999999999.99999, '9999999999.99999', '9999999999.99999_ffff',
newer, '%f' % newer, '%f_0000ffff' % newer,
)
for offset in range(1, 1000, 100):
ts = timestamp.Timestamp(now, offset=offset)
for value in test_values:
other = timestamp.Timestamp(value)
self.assertNotEqual(ts, other) # sanity
self.assertTrue(ts < value,
'%r is not smaller than %r given %r' % (
ts, value, value))
self.assertTrue(ts < other,
'%r is not smaller than %r given %r' % (
ts, other, value))
self.assertTrue(ts < other.normal,
'%r is not smaller than %r given %r' % (
ts, other.normal, value))
self.assertTrue(ts < other.internal,
'%r is not smaller than %r given %r' % (
ts, other.internal, value))
self.assertTrue(ts < float(other),
'%r is not smaller than %r given %r' % (
ts, float(other), value))
self.assertTrue(ts < int(other),
'%r is not smaller than %r given %r' % (
ts, int(other), value))
def test_cmp_with_none(self):
self.assertGreater(timestamp.Timestamp(0), None)
self.assertGreater(timestamp.Timestamp(1.0), None)
self.assertGreater(timestamp.Timestamp(1.0, 42), None)
def test_ordering(self):
given = [
'1402444820.62590_000000000000000a',
'1402444820.62589_0000000000000001',
'1402444821.52589_0000000000000004',
'1402444920.62589_0000000000000004',
'1402444821.62589_000000000000000a',
'1402444821.72589_000000000000000a',
'1402444920.62589_0000000000000002',
'1402444820.62589_0000000000000002',
'1402444820.62589_000000000000000a',
'1402444820.62590_0000000000000004',
'1402444920.62589_000000000000000a',
'1402444820.62590_0000000000000002',
'1402444821.52589_0000000000000002',
'1402444821.52589_0000000000000000',
'1402444920.62589',
'1402444821.62589_0000000000000004',
'1402444821.72589_0000000000000001',
'1402444820.62590',
'1402444820.62590_0000000000000001',
'1402444820.62589_0000000000000004',
'1402444821.72589_0000000000000000',
'1402444821.52589_000000000000000a',
'1402444821.72589_0000000000000004',
'1402444821.62589',
'1402444821.52589_0000000000000001',
'1402444821.62589_0000000000000001',
'1402444821.62589_0000000000000002',
'1402444821.72589_0000000000000002',
'1402444820.62589',
'1402444920.62589_0000000000000001']
expected = [
'1402444820.62589',
'1402444820.62589_0000000000000001',
'1402444820.62589_0000000000000002',
'1402444820.62589_0000000000000004',
'1402444820.62589_000000000000000a',
'1402444820.62590',
'1402444820.62590_0000000000000001',
'1402444820.62590_0000000000000002',
'1402444820.62590_0000000000000004',
'1402444820.62590_000000000000000a',
'1402444821.52589',
'1402444821.52589_0000000000000001',
'1402444821.52589_0000000000000002',
'1402444821.52589_0000000000000004',
'1402444821.52589_000000000000000a',
'1402444821.62589',
'1402444821.62589_0000000000000001',
'1402444821.62589_0000000000000002',
'1402444821.62589_0000000000000004',
'1402444821.62589_000000000000000a',
'1402444821.72589',
'1402444821.72589_0000000000000001',
'1402444821.72589_0000000000000002',
'1402444821.72589_0000000000000004',
'1402444821.72589_000000000000000a',
'1402444920.62589',
'1402444920.62589_0000000000000001',
'1402444920.62589_0000000000000002',
'1402444920.62589_0000000000000004',
'1402444920.62589_000000000000000a',
]
# less visual version
"""
now = time.time()
given = [
timestamp.Timestamp(now + i, offset=offset).internal
for i in (0, 0.00001, 0.9, 1.0, 1.1, 100.0)
for offset in (0, 1, 2, 4, 10)
]
expected = [t for t in given]
random.shuffle(given)
"""
self.assertEqual(len(given), len(expected)) # sanity
timestamps = [timestamp.Timestamp(t) for t in given]
# our expected values don't include insignificant offsets
with mock.patch('swift.common.utils.timestamp.FORCE_INTERNAL',
new=False):
self.assertEqual(
[t.internal for t in sorted(timestamps)], expected)
# string sorting works as well
self.assertEqual(
sorted([t.internal for t in timestamps]), expected)
def test_hashable(self):
ts_0 = timestamp.Timestamp('1402444821.72589')
ts_0_also = timestamp.Timestamp('1402444821.72589')
self.assertEqual(ts_0, ts_0_also) # sanity
self.assertEqual(hash(ts_0), hash(ts_0_also))
d = {ts_0: 'whatever'}
self.assertIn(ts_0, d) # sanity
self.assertIn(ts_0_also, d)
def test_out_of_range_comparisons(self):
now = timestamp.Timestamp.now()
def check_is_later(val):
self.assertTrue(now != val)
self.assertFalse(now == val)
self.assertTrue(now <= val)
self.assertTrue(now < val)
self.assertTrue(val > now)
self.assertTrue(val >= now)
check_is_later(1e30)
check_is_later(1579753284000) # someone gave us ms instead of s!
check_is_later('1579753284000')
check_is_later(b'1e15')
check_is_later(u'1.e+10_f')
def check_is_earlier(val):
self.assertTrue(now != val)
self.assertFalse(now == val)
self.assertTrue(now >= val)
self.assertTrue(now > val)
self.assertTrue(val < now)
self.assertTrue(val <= now)
check_is_earlier(-1)
check_is_earlier(-0.1)
check_is_earlier('-9999999')
check_is_earlier(b'-9999.999')
check_is_earlier(u'-1234_5678')
def test_inversion(self):
ts = timestamp.Timestamp(0)
self.assertIsInstance(~ts, timestamp.Timestamp)
self.assertEqual((~ts).internal, '9999999999.99999')
ts = timestamp.Timestamp(123456.789)
self.assertIsInstance(~ts, timestamp.Timestamp)
self.assertEqual(ts.internal, '0000123456.78900')
self.assertEqual((~ts).internal, '9999876543.21099')
timestamps = sorted(timestamp.Timestamp(random.random() * 1e10)
for _ in range(20))
self.assertEqual([x.internal for x in timestamps],
sorted(x.internal for x in timestamps))
self.assertEqual([(~x).internal for x in reversed(timestamps)],
sorted((~x).internal for x in timestamps))
ts = timestamp.Timestamp.now()
self.assertGreater(~ts, ts) # NB: will break around 2128
ts = timestamp.Timestamp.now(offset=1)
with self.assertRaises(ValueError) as caught:
~ts
self.assertEqual(caught.exception.args[0],
'Cannot invert timestamps with offsets')
def test_inversion_reversibility(self):
ts = timestamp.Timestamp(1755077566.523385)
inv = ~ts
inv_inv = ~inv
self.assertEqual(ts, inv_inv)
self.assertEqual(ts.normal, inv_inv.normal)
inv_inv_inv = ~inv_inv
self.assertEqual(inv, inv_inv_inv)
self.assertEqual(inv.normal, inv_inv_inv.normal)
ts = timestamp.Timestamp.now()
inv = ~ts
inv_inv = ~inv
self.assertEqual(ts, inv_inv)
self.assertEqual(ts.normal, inv_inv.normal)
class TestTimestampEncoding(unittest.TestCase):
def setUp(self):
t0 = timestamp.Timestamp(0.0)
t1 = timestamp.Timestamp(997.9996)
t2 = timestamp.Timestamp(999)
t3 = timestamp.Timestamp(1000, 24)
t4 = timestamp.Timestamp(1001)
t5 = timestamp.Timestamp(1002.00040)
# encodings that are expected when explicit = False
self.non_explicit_encodings = (
('0000001000.00000_18', (t3, t3, t3)),
('0000001000.00000_18', (t3, t3, None)),
)
# mappings that are expected when explicit = True
self.explicit_encodings = (
('0000001000.00000_18+0+0', (t3, t3, t3)),
('0000001000.00000_18+0', (t3, t3, None)),
)
# mappings that are expected when explicit = True or False
self.encodings = (
('0000001000.00000_18+0+186a0', (t3, t3, t4)),
('0000001000.00000_18+186a0+186c8', (t3, t4, t5)),
('0000001000.00000_18-186a0+0', (t3, t2, t2)),
('0000001000.00000_18+0-186a0', (t3, t3, t2)),
('0000001000.00000_18-186a0-186c8', (t3, t2, t1)),
('0000001000.00000_18', (t3, None, None)),
('0000001000.00000_18+186a0', (t3, t4, None)),
('0000001000.00000_18-186a0', (t3, t2, None)),
('0000001000.00000_18', (t3, None, t1)),
('0000001000.00000_18-5f5e100', (t3, t0, None)),
('0000001000.00000_18+0-5f5e100', (t3, t3, t0)),
('0000001000.00000_18-5f5e100+5f45a60', (t3, t0, t2)),
)
# decodings that are expected when explicit = False
self.non_explicit_decodings = (
('0000001000.00000_18', (t3, t3, t3)),
('0000001000.00000_18+186a0', (t3, t4, t4)),
('0000001000.00000_18-186a0', (t3, t2, t2)),
('0000001000.00000_18+186a0', (t3, t4, t4)),
('0000001000.00000_18-186a0', (t3, t2, t2)),
('0000001000.00000_18-5f5e100', (t3, t0, t0)),
)
# decodings that are expected when explicit = True
self.explicit_decodings = (
('0000001000.00000_18+0+0', (t3, t3, t3)),
('0000001000.00000_18+0', (t3, t3, None)),
('0000001000.00000_18', (t3, None, None)),
('0000001000.00000_18+186a0', (t3, t4, None)),
('0000001000.00000_18-186a0', (t3, t2, None)),
('0000001000.00000_18-5f5e100', (t3, t0, None)),
)
# decodings that are expected when explicit = True or False
self.decodings = (
('0000001000.00000_18+0+186a0', (t3, t3, t4)),
('0000001000.00000_18+186a0+186c8', (t3, t4, t5)),
('0000001000.00000_18-186a0+0', (t3, t2, t2)),
('0000001000.00000_18+0-186a0', (t3, t3, t2)),
('0000001000.00000_18-186a0-186c8', (t3, t2, t1)),
('0000001000.00000_18-5f5e100+5f45a60', (t3, t0, t2)),
)
def _assertEqual(self, expected, actual, test):
self.assertEqual(expected, actual,
'Got %s but expected %s for parameters %s'
% (actual, expected, test))
def test_encoding(self):
for test in self.explicit_encodings:
actual = timestamp.encode_timestamps(test[1][0], test[1][1],
test[1][2], True)
self._assertEqual(test[0], actual, test[1])
for test in self.non_explicit_encodings:
actual = timestamp.encode_timestamps(test[1][0], test[1][1],
test[1][2], False)
self._assertEqual(test[0], actual, test[1])
for explicit in (True, False):
for test in self.encodings:
actual = timestamp.encode_timestamps(test[1][0], test[1][1],
test[1][2], explicit)
self._assertEqual(test[0], actual, test[1])
def test_decoding(self):
for test in self.explicit_decodings:
actual = timestamp.decode_timestamps(test[0], True)
self._assertEqual(test[1], actual, test[0])
for test in self.non_explicit_decodings:
actual = timestamp.decode_timestamps(test[0], False)
self._assertEqual(test[1], actual, test[0])
for explicit in (True, False):
for test in self.decodings:
actual = timestamp.decode_timestamps(test[0], explicit)
self._assertEqual(test[1], actual, test[0])
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