2017-05-19 12:14:46 -07:00
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#! /usr/bin/env python2
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import os
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import re
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import sys
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import time
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import logging
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import argparse
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2017-05-19 13:00:59 -07:00
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import subprocess
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import traceback
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2017-05-19 12:14:46 -07:00
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import unittest
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2017-05-19 13:00:59 -07:00
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import random
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2017-05-19 12:14:46 -07:00
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def main(args=sys.argv[1:]):
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"""
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Perform the final Zcash release process up to the git tag.
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"""
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chdir_to_repo()
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opts = parse_args(args)
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initialize_logging()
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logging.debug('argv %r parsed %r', sys.argv, opts)
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2017-05-19 13:00:59 -07:00
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try:
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main_logged(opts.RELEASE_VERSION, opts.RELEASE_PREV)
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except SystemExit as e:
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logging.error(str(e))
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raise SystemExit(1)
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except:
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logging.error(traceback.format_exc())
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raise
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2017-05-19 12:14:46 -07:00
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2017-05-19 13:00:59 -07:00
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# Top-level flow:
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def main_logged(release, releaseprev):
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verify_releaseprev_tag(releaseprev)
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verify_git_clean_master()
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raise NotImplementedError(main_logged)
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def parse_args(args):
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p = argparse.ArgumentParser(description=main.__doc__)
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p.add_argument(
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'RELEASE_VERSION',
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type=Version.parse_arg,
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help='The release version: vX.Y.Z-N',
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)
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p.add_argument(
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'RELEASE_PREV',
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type=Version.parse_arg,
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help='The previously released version.',
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)
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return p.parse_args(args)
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def verify_releaseprev_tag(releaseprev):
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candidates = []
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for tag in sh_out('git', 'tag', '--list').splitlines():
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if tag.startswith('v1'): # Ignore v0.* bitcoin tags and other stuff.
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candidates.append(Version.parse_arg(tag))
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candidates.sort()
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try:
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latest = candidates[-1]
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except IndexError:
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raise SystemExit('No previous releases found by `git tag --list`.')
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if releaseprev != latest:
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raise SystemExit(
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'The latest candidate in `git tag --list` is {} not {}'
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.format(
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latest.vtext,
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releaseprev.vtext,
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),
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)
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2017-05-19 13:05:55 -07:00
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def verify_git_clean_master():
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junk = sh_out('git', 'status', '--porcelain')
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if junk.strip():
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raise SystemExit('There are uncommitted changes:\n' + junk)
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branch = sh_out('git', 'rev-parse', '--abbrev-ref', 'HEAD').strip()
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if branch != 'master':
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raise SystemExit(
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"Expected branch 'master', found branch {!r}".format(
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branch,
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),
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)
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2017-05-19 13:00:59 -07:00
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# Helper code:
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def chdir_to_repo():
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dn = os.path.dirname
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repodir = dn(dn(os.path.abspath(sys.argv[0])))
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os.chdir(repodir)
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def initialize_logging():
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TIME_FMT = '%Y-%m-%dT%H:%M:%S'
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logname = './zcash-make-release.{}.log'.format(time.strftime(TIME_FMT))
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fmtr = logging.Formatter(
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'%(asctime)s L%(lineno)-4d %(levelname)-5s | %(message)s',
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TIME_FMT,
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)
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hout = logging.StreamHandler(sys.stdout)
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hout.setLevel(logging.INFO)
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hout.setFormatter(fmtr)
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hpath = logging.FileHandler(logname, mode='a')
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hpath.setLevel(logging.DEBUG)
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hpath.setFormatter(fmtr)
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root = logging.getLogger()
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root.setLevel(logging.DEBUG)
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root.addHandler(hout)
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root.addHandler(hpath)
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logging.info('zcash make-release.py logging to: %r', logname)
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2017-05-19 13:00:59 -07:00
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def sh_out(*args):
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logging.debug('Run: %r', args)
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return subprocess.check_output(args)
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class Version (object):
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'''A release version.'''
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RGX = re.compile(
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r'^v(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(-(beta|rc)?([1-9]\d*))?$',
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)
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@staticmethod
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def parse_arg(text):
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m = Version.RGX.match(text)
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if m is None:
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raise argparse.ArgumentTypeError(
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'Could not parse version {!r} against regex {}'.format(
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text,
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Version.RGX.pattern,
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),
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)
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else:
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[major, minor, patch, _, betarc, hotfix] = m.groups()
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return Version(
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int(major),
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int(minor),
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int(patch),
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betarc,
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int(hotfix) if hotfix is not None else None,
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)
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def __init__(self, major, minor, patch, betarc, hotfix):
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for i in [major, minor, patch]:
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assert type(i) is int, i
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assert betarc in {None, 'rc', 'beta'}, betarc
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assert hotfix is None or type(hotfix) is int, hotfix
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if betarc is not None:
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assert hotfix is not None, (betarc, hotfix)
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self.major = major
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self.minor = minor
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self.patch = patch
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self.betarc = betarc
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self.hotfix = hotfix
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self.vtext = 'v{}.{}.{}'.format(major, minor, patch)
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if hotfix is not None:
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self.vtext += '-{}{}'.format(
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'' if betarc is None else betarc,
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hotfix,
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)
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def __repr__(self):
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return '<Version {}>'.format(self.vtext)
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2017-05-19 13:00:59 -07:00
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def _sort_tup(self):
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if self.hotfix is None:
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prio = 2
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else:
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prio = {'beta': 0, 'rc': 1, None: 3}[self.betarc]
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return (
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self.major,
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self.minor,
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self.patch,
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prio,
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self.hotfix,
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)
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def __cmp__(self, other):
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return cmp(self._sort_tup(), other._sort_tup())
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# Unit Tests
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class TestVersion (unittest.TestCase):
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ValidVersions = [
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# These are taken from: git tag --list | grep '^v1'
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'v1.0.0-beta1',
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'v1.0.0-beta2',
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'v1.0.0-rc1',
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'v1.0.0-rc2',
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'v1.0.0-rc3',
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'v1.0.0-rc4',
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'v1.0.0',
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'v1.0.1',
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'v1.0.2',
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'v1.0.3',
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'v1.0.4',
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'v1.0.5',
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'v1.0.6',
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'v1.0.7-1',
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'v1.0.8',
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'v1.0.8-1',
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]
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def test_arg_parse_and_vtext_identity(self):
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for case in self.ValidVersions:
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v = Version.parse_arg(case)
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self.assertEqual(v.vtext, case)
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def test_arg_parse_negatives(self):
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cases = [
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'v07.0.0',
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'v1.0.03',
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'v1.2.3-0', # Hotfix numbers must begin w/ 1
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'v1.2.3~0',
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'v1.2.3+0',
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'1.2.3',
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]
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for case in cases:
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self.assertRaises(
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argparse.ArgumentTypeError,
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Version.parse_arg,
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case,
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)
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def test_version_sort(self):
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expected = [Version.parse_arg(v) for v in self.ValidVersions]
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rng = random.Random()
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rng.seed(0)
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for _ in range(1024):
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vec = list(expected)
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rng.shuffle(vec)
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vec.sort()
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self.assertEqual(vec, expected)
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2017-05-19 12:14:46 -07:00
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if __name__ == '__main__':
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if len(sys.argv) >= 2 and sys.argv[1] == 'test':
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sys.argv.pop(1)
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if len(sys.argv) == 1:
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sys.argv.append('--verbose')
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unittest.main()
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else:
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main()
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