X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=t%2Ftest-prune-older;h=a2ea4df0f3216d84dcfb7cdd4d97f33aeecab8dc;hb=ea0cb087050dc86bae886c0b2605b83aa819b7d3;hp=11aa861b580a5b5f6a29b013a6a1fbac54de400e;hpb=e291bccf8ea6e14902460eb9701a3e15108e4958;p=bup.git diff --git a/t/test-prune-older b/t/test-prune-older index 11aa861..a2ea4df 100755 --- a/t/test-prune-older +++ b/t/test-prune-older @@ -5,110 +5,84 @@ exec "$bup_python" "$0" ${1+"$@"} """ # end of bup preamble -from __future__ import print_function +from __future__ import absolute_import, print_function from collections import defaultdict from difflib import unified_diff from itertools import chain, dropwhile, groupby, takewhile -from os import environ, chdir +from os import chdir from os.path import abspath, dirname -from pipes import quote from random import choice, randint from shutil import copytree, rmtree -from subprocess import PIPE, Popen, check_call +from subprocess import PIPE from sys import stderr from time import localtime, strftime, time import os, random, sys -script_home = abspath(dirname(sys.argv[0] or '.')) -sys.path[:0] = [abspath(script_home + '/../lib'), abspath(script_home + '/..')] -top = os.getcwd() -bup_cmd = top + '/bup' +# For buptest, wvtest, ... +sys.path[:0] = (abspath(os.path.dirname(__file__) + '/..'),) -from buptest import test_tempdir +from buptest import ex, exo, test_tempdir from wvtest import wvfail, wvpass, wvpasseq, wvpassne, wvstart +from bup import compat +from bup.compat import environ from bup.helpers import partition, period_as_secs, readpipe +import bup.path -def logcmd(cmd): - if isinstance(cmd, basestring): - print(cmd, file=stderr) - else: - print(' '.join(map(quote, cmd)), file=stderr) - -def exc(cmd, shell=False): - logcmd(cmd) - check_call(cmd, shell=shell) - -def exo(cmd, stdin=None, stdout=True, stderr=False, shell=False, check=True): - logcmd(cmd) - p = Popen(cmd, - stdin=None, - stdout=(PIPE if stdout else None), - stderr=PIPE, - shell=shell) - out, err = p.communicate() - if check and p.returncode != 0: - raise Exception('subprocess %r failed with status %d, stderr: %r' - % (' '.join(argv), p.returncode, err)) - return out, err, p - -def bup(*args): - return exo((bup_cmd,) + args)[0] - -def bupc(*args): - return exc((bup_cmd,) + args) - def create_older_random_saves(n, start_utc, end_utc): - with open('foo', 'w') as f: + with open(b'foo', 'wb') as f: pass - exc(['git', 'add', 'foo']) - utcs = sorted(randint(start_utc, end_utc) for x in xrange(n)) + ex([b'git', b'add', b'foo']) + utcs = set() + while len(utcs) != n: + utcs.add(randint(start_utc, end_utc)) + utcs = sorted(utcs) for utc in utcs: - with open('foo', 'w') as f: - f.write(str(utc) + '\n') - exc(['git', 'commit', '--date', str(utc), '-qam', str(utc)]) - exc(['git', 'gc', '--aggressive']) + with open(b'foo', 'wb') as f: + f.write(b'%d\n' % utc) + ex([b'git', b'commit', b'--date', b'%d' % utc, b'-qam', b'%d' % utc]) + ex([b'git', b'gc', b'--aggressive']) return utcs # There is corresponding code in bup for some of this, but the # computation method is different here, in part so that the test can # provide a more effective cross-check. -period_kinds = ['all', 'dailies', 'monthlies', 'yearlies'] -period_scale = {'s': 1, - 'min': 60, - 'h': 60 * 60, - 'd': 60 * 60 * 24, - 'w': 60 * 60 * 24 * 7, - 'm': 60 * 60 * 24 * 31, - 'y': 60 * 60 * 24 * 366} -period_scale_kinds = period_scale.keys() +period_kinds = [b'all', b'dailies', b'monthlies', b'yearlies'] +period_scale = {b's': 1, + b'min': 60, + b'h': 60 * 60, + b'd': 60 * 60 * 24, + b'w': 60 * 60 * 24 * 7, + b'm': 60 * 60 * 24 * 31, + b'y': 60 * 60 * 24 * 366} +period_scale_kinds = list(period_scale.keys()) def expected_retentions(utcs, utc_start, spec): if not spec: return utcs utcs = sorted(utcs, reverse=True) period_start = dict(spec) - for kind, duration in period_start.iteritems(): + for kind, duration in compat.items(period_start): period_start[kind] = utc_start - period_as_secs(duration) period_start = defaultdict(lambda: float('inf'), period_start) - all = list(takewhile(lambda x: x >= period_start['all'], utcs)) - utcs = list(dropwhile(lambda x: x >= period_start['all'], utcs)) + all = list(takewhile(lambda x: x >= period_start[b'all'], utcs)) + utcs = list(dropwhile(lambda x: x >= period_start[b'all'], utcs)) - matches = takewhile(lambda x: x >= period_start['dailies'], utcs) - dailies = [min(day_utcs) for yday, day_utcs + matches = takewhile(lambda x: x >= period_start[b'dailies'], utcs) + dailies = [max(day_utcs) for yday, day_utcs in groupby(matches, lambda x: localtime(x).tm_yday)] - utcs = list(dropwhile(lambda x: x >= period_start['dailies'], utcs)) + utcs = list(dropwhile(lambda x: x >= period_start[b'dailies'], utcs)) - matches = takewhile(lambda x: x >= period_start['monthlies'], utcs) - monthlies = [min(month_utcs) for month, month_utcs + matches = takewhile(lambda x: x >= period_start[b'monthlies'], utcs) + monthlies = [max(month_utcs) for month, month_utcs in groupby(matches, lambda x: localtime(x).tm_mon)] - utcs = dropwhile(lambda x: x >= period_start['monthlies'], utcs) + utcs = dropwhile(lambda x: x >= period_start[b'monthlies'], utcs) - matches = takewhile(lambda x: x >= period_start['yearlies'], utcs) - yearlies = [min(year_utcs) for year, year_utcs + matches = takewhile(lambda x: x >= period_start[b'yearlies'], utcs) + yearlies = [max(year_utcs) for year, year_utcs in groupby(matches, lambda x: localtime(x).tm_year)] return chain(all, dailies, monthlies, yearlies) @@ -121,14 +95,14 @@ def period_spec(start_utc, end_utc): while len(result) < desired_specs: period = None if randint(1, 100) <= 5: - period = 'forever' + period = b'forever' else: assert(end_utc > start_utc) period_secs = randint(1, end_utc - start_utc) scale = choice(period_scale_kinds) mag = int(float(period_secs) / period_scale[scale]) if mag != 0: - period = str(mag) + scale + period = (b'%d' % mag) + scale if period: result += [(choice(period_kinds), period)] return tuple(result) @@ -140,16 +114,17 @@ def unique_period_specs(n, start_utc, end_utc): return tuple(invocations) def period_spec_to_period_args(spec): - return tuple(chain(*(('--keep-' + kind + '-for', period) + return tuple(chain(*((b'--keep-' + kind + b'-for', period) for kind, period in spec))) def result_diffline(x): - return str(x) + strftime(' %Y-%m-%d-%H%M%S', localtime(x)) + '\n' + return (b'%d %s\n' + % (x, strftime(' %Y-%m-%d-%H%M%S', localtime(x)).encode('ascii'))) def check_prune_result(expected): actual = sorted([int(x) - for x in exo(['git', 'log', - '--pretty=format:%at'])[0].splitlines()]) + for x in exo([b'git', b'log', + b'--pretty=format:%at']).out.splitlines()]) if expected != actual: for x in expected: print('ex:', x, strftime('%Y-%m-%d-%H%M%S', localtime(x)), @@ -161,39 +136,47 @@ def check_prune_result(expected): wvpass(expected == actual) -seed = int(environ.get('BUP_TEST_SEED', time())) +environ[b'GIT_AUTHOR_NAME'] = b'bup test' +environ[b'GIT_COMMITTER_NAME'] = b'bup test' +environ[b'GIT_AUTHOR_EMAIL'] = b'bup@a425bc70a02811e49bdf73ee56450e6f' +environ[b'GIT_COMMITTER_EMAIL'] = b'bup@a425bc70a02811e49bdf73ee56450e6f' + +seed = int(environ.get(b'BUP_TEST_SEED', time())) random.seed(seed) print('random seed:', seed, file=stderr) -save_population = int(environ.get('BUP_TEST_PRUNE_OLDER_SAVES', 2000)) -prune_cycles = int(environ.get('BUP_TEST_PRUNE_OLDER_CYCLES', 20)) -prune_gc_cycles = int(environ.get('BUP_TEST_PRUNE_OLDER_GC_CYCLES', 10)) +save_population = int(environ.get(b'BUP_TEST_PRUNE_OLDER_SAVES', 2000)) +prune_cycles = int(environ.get(b'BUP_TEST_PRUNE_OLDER_CYCLES', 20)) +prune_gc_cycles = int(environ.get(b'BUP_TEST_PRUNE_OLDER_GC_CYCLES', 10)) + +bup_cmd = bup.path.exe() -with test_tempdir('prune-older-') as tmpdir: - environ['BUP_DIR'] = tmpdir + '/work/.git' - environ['GIT_DIR'] = tmpdir + '/work/.git' +with test_tempdir(b'prune-older-') as tmpdir: + environ[b'BUP_DIR'] = tmpdir + b'/work/.git' + environ[b'GIT_DIR'] = tmpdir + b'/work/.git' now = int(time()) three_years_ago = now - (60 * 60 * 24 * 366 * 3) chdir(tmpdir) - exc(['git', 'init', 'work']) + ex([b'git', b'init', b'work']) + ex([b'git', b'config', b'gc.autoDetach', b'false']) wvstart('generating ' + str(save_population) + ' random saves') - chdir(tmpdir + '/work') + chdir(tmpdir + b'/work') save_utcs = create_older_random_saves(save_population, three_years_ago, now) chdir(tmpdir) - test_set_hash = exo(['git', 'show-ref', '-s', 'master'])[0].rstrip() - ls_saves = bup('ls', 'master').splitlines() + test_set_hash = exo([b'git', b'show-ref', b'-s', b'master']).out.rstrip() + ls_saves = exo((bup_cmd, b'ls', b'master')).out.splitlines() wvpasseq(save_population + 1, len(ls_saves)) wvstart('ensure everything kept, if no keep arguments') - exc(['git', 'reset', '--hard', test_set_hash]) - _, errmsg, proc = exo((bup_cmd, - 'prune-older', '-v', '--unsafe', '--no-gc', - '--wrt', str(now)) \ - + ('master',), - stdout=False, stderr=True, check=False) - wvpassne(proc.returncode, 0) - wvpass('at least one keep argument is required' in errmsg) + ex([b'git', b'reset', b'--hard', test_set_hash]) + proc = ex((bup_cmd, + b'prune-older', b'-v', b'--unsafe', b'--no-gc', + b'--wrt', b'%d' % now) \ + + (b'master',), + stdout=None, stderr=PIPE, check=False) + wvpassne(proc.rc, 0) + wvpass(b'at least one keep argument is required' in proc.err) check_prune_result(save_utcs) @@ -202,32 +185,33 @@ with test_tempdir('prune-older-') as tmpdir: for spec in unique_period_specs(prune_cycles, # Make it more likely we'll have # some outside the save range. - three_years_ago - period_scale['m'], + three_years_ago - period_scale[b'm'], now): - exc(['git', 'reset', '--hard', test_set_hash]) + ex([b'git', b'reset', b'--hard', test_set_hash]) expected = sorted(expected_retentions(save_utcs, now, spec)) - exc((bup_cmd, - 'prune-older', '-v', '--unsafe', '--no-gc', '--wrt', str(now)) \ - + period_spec_to_period_args(spec) \ - + ('master',)) + ex((bup_cmd, + b'prune-older', b'-v', b'--unsafe', b'--no-gc', b'--wrt', + b'%d' % now) \ + + period_spec_to_period_args(spec) \ + + (b'master',)) check_prune_result(expected) # More expensive because we have to recreate the repo each time wvstart('running %d generative gc tests on %d saves' % (prune_gc_cycles, save_population)) - exc(['git', 'reset', '--hard', test_set_hash]) - copytree('work/.git', 'clean-test-repo', symlinks=True) + ex([b'git', b'reset', b'--hard', test_set_hash]) + copytree(b'work/.git', b'clean-test-repo', symlinks=True) for spec in unique_period_specs(prune_gc_cycles, # Make it more likely we'll have # some outside the save range. - three_years_ago - period_scale['m'], + three_years_ago - period_scale[b'm'], now): - rmtree('work/.git') - copytree('clean-test-repo', 'work/.git') + rmtree(b'work/.git') + copytree(b'clean-test-repo', b'work/.git') expected = sorted(expected_retentions(save_utcs, now, spec)) - exc((bup_cmd, - 'prune-older', '-v', '--unsafe', '--wrt', str(now)) \ - + period_spec_to_period_args(spec) \ - + ('master',)) + ex((bup_cmd, + b'prune-older', b'-v', b'--unsafe', b'--wrt', b'%d' % now) \ + + period_spec_to_period_args(spec) \ + + (b'master',)) check_prune_result(expected)