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Edit: /usr/lib/python3/dist-packages/twisted/python/test/test_versions.py (5238B)
# Copyright (c) Twisted Matrix Laboratories. # See LICENSE for details. """ Tests for L{twisted.python.versions}. """ import operator from incremental import _inf from twisted.python.versions import IncomparableVersions, Version, getVersionString from twisted.trial.unittest import SynchronousTestCase as TestCase class VersionsTests(TestCase): def test_versionComparison(self): """ Versions can be compared for equality and order. """ va = Version("dummy", 1, 0, 0) vb = Version("dummy", 0, 1, 0) self.assertTrue(va > vb) self.assertTrue(vb < va) self.assertTrue(va >= vb) self.assertTrue(vb <= va) self.assertTrue(va != vb) self.assertTrue(vb == Version("dummy", 0, 1, 0)) self.assertTrue(vb == vb) def test_versionComparisonCaseInsensitive(self): """ Version packages are compared case insensitively. """ va = Version("twisted", 1, 0, 0) vb = Version("Twisted", 0, 1, 0) self.assertTrue(va > vb) self.assertTrue(vb < va) self.assertTrue(va >= vb) self.assertTrue(vb <= va) self.assertTrue(va != vb) self.assertTrue(vb == Version("twisted", 0, 1, 0)) self.assertTrue(vb == Version("TWISted", 0, 1, 0)) self.assertTrue(vb == vb) def test_comparingPrereleasesWithReleases(self): """ Prereleases are always less than versions without prereleases. """ va = Version("whatever", 1, 0, 0, prerelease=1) vb = Version("whatever", 1, 0, 0) self.assertTrue(va < vb) self.assertFalse(va > vb) self.assertNotEqual(vb, va) def test_comparingPrereleases(self): """ The value specified as the prerelease is used in version comparisons. """ va = Version("whatever", 1, 0, 0, prerelease=1) vb = Version("whatever", 1, 0, 0, prerelease=2) self.assertTrue(va < vb) self.assertTrue(vb > va) self.assertTrue(va <= vb) self.assertTrue(vb >= va) self.assertTrue(va != vb) self.assertTrue(vb == Version("whatever", 1, 0, 0, prerelease=2)) self.assertTrue(va == va) def test_infComparison(self): """ L{_inf} is equal to L{_inf}. This is a regression test. """ self.assertEqual(_inf, _inf) def test_disallowBuggyComparisons(self): """ The package names of the Version objects need to be the same, """ self.assertRaises( IncomparableVersions, operator.eq, Version("dummy", 1, 0, 0), Version("dumym", 1, 0, 0), ) def test_notImplementedComparisons(self): """ Comparing a L{Version} to some other object type results in C{NotImplemented}. """ va = Version("dummy", 1, 0, 0) vb = ("dummy", 1, 0, 0) # a tuple is not a Version object self.assertEqual(va.__cmp__(vb), NotImplemented) # type: ignore[operator] def test_repr(self): """ Calling C{repr} on a version returns a human-readable string representation of the version. """ self.assertEqual(repr(Version("dummy", 1, 2, 3)), "Version('dummy', 1, 2, 3)") def test_reprWithPrerelease(self): """ Calling C{repr} on a version with a prerelease returns a human-readable string representation of the version including the prerelease. """ self.assertEqual( repr(Version("dummy", 1, 2, 3, prerelease=4)), "Version('dummy', 1, 2, 3, release_candidate=4)", ) def test_str(self): """ Calling C{str} on a version returns a human-readable string representation of the version. """ self.assertEqual(str(Version("dummy", 1, 2, 3)), "[dummy, version 1.2.3]") def _test_strWithPrerelease(self): """ Calling C{str} on a version with a prerelease includes the prerelease. """ self.assertEqual( str(Version("dummy", 1, 0, 0, prerelease=1)), "[dummy, version 1.0.0.rc1]" ) def testShort(self): self.assertEqual(Version("dummy", 1, 2, 3).short(), "1.2.3") def test_getVersionString(self): """ L{getVersionString} returns a string with the package name and the short version number. """ self.assertEqual("Twisted 8.0.0", getVersionString(Version("Twisted", 8, 0, 0))) def _test_getVersionStringWithPrerelease(self): """ L{getVersionString} includes the prerelease, if any. """ self.assertEqual( getVersionString(Version("whatever", 8, 0, 0, prerelease=1)), "whatever 8.0.0.rc1", ) def test_base(self): """ The L{base} method returns a very simple representation of the version. """ self.assertEqual(Version("foo", 1, 0, 0).base(), "1.0.0") def _test_baseWithPrerelease(self): """ The base version includes 'preX' for versions with prereleases. """ self.assertEqual(Version("foo", 1, 0, 0, prerelease=8).base(), "1.0.0.rc8")