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