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test_version.py
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# Copyright (c) Twisted Matrix Laboratories. # See LICENSE for details. """ Tests for L{incremental}. """ from __future__ import division, absolute_import import sys import unittest import operator from incremental import getVersionString, IncomparableVersions from incremental import Version, _inf from twisted.trial.unittest import TestCase class VersionsTests(TestCase): def test_localIsShort(self): """ The local version is the same as the short version. """ va = Version("dummy", 1, 0, 0, release_candidate=1, post=2, dev=3) self.assertEqual(va.local(), va.short()) 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) @unittest.skipIf(sys.version_info < (3,), "Comparisons do not raise on py2") def test_versionComparisonNonVersion(self): """ Versions can be compared with non-versions. """ v = Version("dummy", 1, 0, 0) o = object() with self.assertRaises(TypeError): v > o with self.assertRaises(TypeError): v < o with self.assertRaises(TypeError): v >= o with self.assertRaises(TypeError): v <= o self.assertFalse(v == o) self.assertTrue(v != o) def test_versionComparisonCaseInsensitive(self): """ Version package names are case insensitive. """ 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_comparingNEXTReleases(self): """ NEXT releases are always larger than numbered releases. """ va = Version("whatever", "NEXT", 0, 0) vb = Version("whatever", 1, 0, 0) self.assertTrue(va > vb) self.assertFalse(va < vb) self.assertNotEquals(vb, va) def test_NEXTMustBeAlone(self): """ NEXT releases must always have the rest of the numbers set to 0. """ with self.assertRaises(ValueError): Version("whatever", "NEXT", 1, 0, release_candidate=0, post=0, dev=0) with self.assertRaises(ValueError): Version("whatever", "NEXT", 0, 1, release_candidate=0, post=0, dev=0) with self.assertRaises(ValueError): Version("whatever", "NEXT", 0, 0, release_candidate=1, post=0, dev=0) with self.assertRaises(ValueError): Version("whatever", "NEXT", 0, 0, release_candidate=0, post=1, dev=0) with self.assertRaises(ValueError): Version("whatever", "NEXT", 0, 0, release_candidate=0, post=0, dev=1) def test_comparingNEXTReleasesEqual(self): """ NEXT releases are equal to each other. """ va = Version("whatever", "NEXT", 0, 0) vb = Version("whatever", "NEXT", 0, 0) self.assertEquals(vb, va) 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.assertNotEquals(vb, va) def test_prereleaseDeprecated(self): """ Passing 'prerelease' to Version is deprecated. """ Version("whatever", 1, 0, 0, prerelease=1) warnings = self.flushWarnings([self.test_prereleaseDeprecated]) self.assertEqual(len(warnings), 1) self.assertEqual( warnings[0]["message"], "Passing prerelease to incremental.Version was deprecated in " "Incremental 16.9.0. Please pass release_candidate instead.", ) def test_prereleaseAttributeDeprecated(self): """ Accessing 'prerelease' on a Version is deprecated. """ va = Version("whatever", 1, 0, 0, release_candidate=1) va.prerelease warnings = self.flushWarnings([self.test_prereleaseAttributeDeprecated]) self.assertEqual(len(warnings), 1) self.assertEqual( warnings[0]["message"], "Accessing incremental.Version.prerelease was deprecated in " "Incremental 16.9.0. Use Version.release_candidate instead.", ) def test_comparingReleaseCandidatesWithReleases(self): """ Release Candidates are always less than versions without release candidates. """ va = Version("whatever", 1, 0, 0, release_candidate=1) vb = Version("whatever", 1, 0, 0) self.assertTrue(va < vb) self.assertFalse(va > vb) self.assertNotEquals(vb, va) def test_comparingPostReleasesWithReleases(self): """ Post releases are always greater than versions without post releases. """ va = Version("whatever", 1, 0, 0, post=1) vb = Version("whatever", 1, 0, 0) self.assertTrue(va > vb) self.assertFalse(va < vb) self.assertNotEquals(vb, va) def test_comparingDevReleasesWithPreviousPostReleases(self): """ Dev releases are always greater than postreleases based on previous releases. """ va = Version("whatever", 1, 0, 1, dev=1) vb = Version("whatever", 1, 0, 0, post=1) self.assertTrue(va > vb) self.assertFalse(va < vb) self.assertNotEquals(vb, va) def test_comparingDevReleasesWithReleases(self): """ Dev releases are always less than versions without dev releases. """ va = Version("whatever", 1, 0, 0, dev=1) vb = Version("whatever", 1, 0, 0) self.assertTrue(va < vb) self.assertFalse(va > vb) self.assertNotEquals(vb, va) def test_rcEqualspre(self): """ Release Candidates are equal to prereleases. """ va = Version("whatever", 1, 0, 0, release_candidate=1) vb = Version("whatever", 1, 0, 0, prerelease=1) self.assertTrue(va == vb) self.assertFalse(va != vb) def test_rcOrpreButNotBoth(self): """ Release Candidate and prerelease can't both be given. """ with self.assertRaises(ValueError): Version("whatever", 1, 0, 0, prerelease=1, release_candidate=1) def test_comparingReleaseCandidates(self): """ The value specified as the release candidate is used in version comparisons. """ va = Version("whatever", 1, 0, 0, release_candidate=1) vb = Version("whatever", 1, 0, 0, release_candidate=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, release_candidate=2)) self.assertTrue(va == va) def test_comparingPost(self): """ The value specified as the postrelease is used in version comparisons. """ va = Version("whatever", 1, 0, 0, post=1) vb = Version("whatever", 1, 0, 0, post=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, post=2)) self.assertTrue(va == va) def test_comparingDev(self): """ The value specified as the dev release is used in version comparisons. """ va = Version("whatever", 1, 0, 0, dev=1) vb = Version("whatever", 1, 0, 0, dev=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, dev=2)) self.assertTrue(va == va) def test_comparingDevAndRC(self): """ The value specified as the dev release and release candidate is used in version comparisons. """ va = Version("whatever", 1, 0, 0, release_candidate=1, dev=1) vb = Version("whatever", 1, 0, 0, release_candidate=1, dev=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, release_candidate=1, dev=2)) self.assertTrue(va == va) def test_comparingDevAndRCDifferent(self): """ The value specified as the dev release and release candidate is used in version comparisons. """ va = Version("whatever", 1, 0, 0, release_candidate=1, dev=1) vb = Version("whatever", 1, 0, 0, release_candidate=2, dev=1) 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, release_candidate=2, dev=1)) self.assertTrue(va == va) def test_infComparison(self): """ L{_inf} is equal to L{_inf}. This is a regression test. """ o = object() self.assertEqual(_inf, _inf) self.assertTrue(_inf > o) self.assertFalse(_inf < o) self.assertTrue(_inf >= o) self.assertFalse(_inf <= o) self.assertTrue(_inf != o) self.assertFalse(_inf == o) 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) 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 as a release candidate.. """ self.assertEqual( repr(Version("dummy", 1, 2, 3, prerelease=4)), "Version('dummy', 1, 2, 3, release_candidate=4)", ) def test_reprWithReleaseCandidate(self): """ Calling C{repr} on a version with a release candidate returns a human-readable string representation of the version including the rc. """ self.assertEqual( repr(Version("dummy", 1, 2, 3, release_candidate=4)), "Version('dummy', 1, 2, 3, release_candidate=4)", ) def test_reprWithPost(self): """ Calling C{repr} on a version with a postrelease returns a human-readable string representation of the version including the postrelease. """ self.assertEqual( repr(Version("dummy", 1, 2, 3, post=4)), "Version('dummy', 1, 2, 3, post=4)" ) def test_reprWithDev(self): """ Calling C{repr} on a version with a dev release returns a human-readable string representation of the version including the dev release. """ self.assertEqual( repr(Version("dummy", 1, 2, 3, dev=4)), "Version('dummy', 1, 2, 3, dev=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 as a release candidate. """ self.assertEqual( str(Version("dummy", 1, 0, 0, prerelease=1)), "[dummy, version 1.0.0.rc1]" ) def test_strWithReleaseCandidate(self): """ Calling C{str} on a version with a release candidate includes the release candidate. """ self.assertEqual( str(Version("dummy", 1, 0, 0, release_candidate=1)), "[dummy, version 1.0.0.rc1]", ) def test_strWithPost(self): """ Calling C{str} on a version with a postrelease includes the postrelease. """ self.assertEqual( str(Version("dummy", 1, 0, 0, post=1)), "[dummy, version 1.0.0.post1]" ) def test_strWithDevAndReleaseCandidate(self): """ Calling C{str} on a version with a release candidate and dev release includes the release candidate and the dev release. """ self.assertEqual( str(Version("dummy", 1, 0, 0, release_candidate=1, dev=2)), "[dummy, version 1.0.0.rc1.dev2]", ) def test_strWithDev(self): """ Calling C{str} on a version with a dev release includes the dev release. """ self.assertEqual( str(Version("dummy", 1, 0, 0, dev=1)), "[dummy, version 1.0.0.dev1]" ) def test_strWithDevAndPost(self): """ Calling C{str} on a version with a postrelease and dev release includes the postrelease and the dev release. """ self.assertEqual( str(Version("dummy", 1, 0, 0, post=1, dev=2)), "[dummy, version 1.0.0.post1.dev2]", ) 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 as a release candidate, if any. """ self.assertEqual( getVersionString(Version("whatever", 8, 0, 0, prerelease=1)), "whatever 8.0.0.rc1", ) def test_getVersionStringWithReleaseCandidate(self): """ L{getVersionString} includes the release candidate, if any. """ self.assertEqual( getVersionString(Version("whatever", 8, 0, 0, release_candidate=1)), "whatever 8.0.0.rc1", ) def test_getVersionStringWithPost(self): """ L{getVersionString} includes the postrelease, if any. """ self.assertEqual( getVersionString(Version("whatever", 8, 0, 0, post=1)), "whatever 8.0.0.post1", ) def test_getVersionStringWithDev(self): """ L{getVersionString} includes the dev release, if any. """ self.assertEqual( getVersionString(Version("whatever", 8, 0, 0, dev=1)), "whatever 8.0.0.dev1" ) def test_getVersionStringWithDevAndRC(self): """ L{getVersionString} includes the dev release and release candidate, if any. """ self.assertEqual( getVersionString(Version("whatever", 8, 0, 0, release_candidate=2, dev=1)), "whatever 8.0.0.rc2.dev1", ) def test_getVersionStringWithDevAndPost(self): """ L{getVersionString} includes the dev release and postrelease, if any. """ self.assertEqual( getVersionString(Version("whatever", 8, 0, 0, post=2, dev=1)), "whatever 8.0.0.post2.dev1", ) def test_baseWithNEXT(self): """ The C{base} method returns just "NEXT" when NEXT is the major version. """ self.assertEqual(Version("foo", "NEXT", 0, 0).base(), "NEXT") def test_base(self): """ The C{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 'rcX' for versions with prereleases. """ self.assertEqual(Version("foo", 1, 0, 0, prerelease=8).base(), "1.0.0.rc8") def test_baseWithPost(self): """ The base version includes 'postX' for versions with postreleases. """ self.assertEqual(Version("foo", 1, 0, 0, post=8).base(), "1.0.0.post8") def test_baseWithDev(self): """ The base version includes 'devX' for versions with dev releases. """ self.assertEqual(Version("foo", 1, 0, 0, dev=8).base(), "1.0.0.dev8") def test_baseWithReleaseCandidate(self): """ The base version includes 'rcX' for versions with prereleases. """ self.assertEqual( Version("foo", 1, 0, 0, release_candidate=8).base(), "1.0.0.rc8" ) def test_baseWithDevAndRC(self): """ The base version includes 'rcXdevX' for versions with dev releases and a release candidate. """ self.assertEqual( Version("foo", 1, 0, 0, release_candidate=2, dev=8).base(), "1.0.0.rc2.dev8" ) def test_baseWithDevAndPost(self): """ The base version includes 'postXdevX' for versions with dev releases and a postrelease. """ self.assertEqual( Version("foo", 1, 0, 0, post=2, dev=8).base(), "1.0.0.post2.dev8" )