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"""Tests for distutils.version."""
import pytest
import distutils
from distutils.version import LooseVersion
from distutils.version import StrictVersion
@pytest.fixture(autouse=True)
def suppress_deprecation():
with distutils.version.suppress_known_deprecation():
yield
class TestVersion:
def test_prerelease(self):
version = StrictVersion('1.2.3a1')
assert version.version == (1, 2, 3)
assert version.prerelease == ('a', 1)
assert str(version) == '1.2.3a1'
version = StrictVersion('1.2.0')
assert str(version) == '1.2'
def test_cmp_strict(self):
versions = (
('1.5.1', '1.5.2b2', -1),
('161', '3.10a', ValueError),
('8.02', '8.02', 0),
('3.4j', '1996.07.12', ValueError),
('3.2.pl0', '3.1.1.6', ValueError),
('2g6', '11g', ValueError),
('0.9', '2.2', -1),
('1.2.1', '1.2', 1),
('1.1', '1.2.2', -1),
('1.2', '1.1', 1),
('1.2.1', '1.2.2', -1),
('1.2.2', '1.2', 1),
('1.2', '1.2.2', -1),
('0.4.0', '0.4', 0),
('1.13++', '5.5.kw', ValueError),
)
for v1, v2, wanted in versions:
try:
res = StrictVersion(v1)._cmp(StrictVersion(v2))
except ValueError:
if wanted is ValueError:
continue
else:
raise AssertionError(
("cmp(%s, %s) " "shouldn't raise ValueError") % (v1, v2)
)
assert res == wanted, 'cmp({}, {}) should be {}, got {}'.format(
v1, v2, wanted, res
)
res = StrictVersion(v1)._cmp(v2)
assert res == wanted, 'cmp({}, {}) should be {}, got {}'.format(
v1, v2, wanted, res
)
res = StrictVersion(v1)._cmp(object())
assert (
res is NotImplemented
), 'cmp({}, {}) should be NotImplemented, got {}'.format(v1, v2, res)
def test_cmp(self):
versions = (
('1.5.1', '1.5.2b2', -1),
('161', '3.10a', 1),
('8.02', '8.02', 0),
('3.4j', '1996.07.12', -1),
('3.2.pl0', '3.1.1.6', 1),
('2g6', '11g', -1),
('0.960923', '2.2beta29', -1),
('1.13++', '5.5.kw', -1),
)
for v1, v2, wanted in versions:
res = LooseVersion(v1)._cmp(LooseVersion(v2))
assert res == wanted, 'cmp({}, {}) should be {}, got {}'.format(
v1, v2, wanted, res
)
res = LooseVersion(v1)._cmp(v2)
assert res == wanted, 'cmp({}, {}) should be {}, got {}'.format(
v1, v2, wanted, res
)
res = LooseVersion(v1)._cmp(object())
assert (
res is NotImplemented
), 'cmp({}, {}) should be NotImplemented, got {}'.format(v1, v2, res)
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