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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
import unittest
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.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.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"
)