upstream/mercurial-mirror Files · tests/test-propertycache.py

largefiles: access to specific fields only if largefiles enabled (issue4547)...

largefiles: access to specific fields only if largefiles enabled (issue4547) Even if largefiles extension is enabled in a repository, "repo" object, which isn't "largefiles.reposetup()"-ed, is passed to overridden functions in the cases below unexpectedly, because extensions are enabled for each repositories strictly. (1) clone without -U: (2) pull with -U: (3) pull with --rebase: combination of "enabled@src", "disabled@dst" and "not-required@src" cause this situation. largefiles requirement @src @dst @src result -------- -------- --------------- -------------------- enabled disabled not-required aborted unexpectedly required requirement error (intentional) -------- -------- --------------- -------------------- enabled enabled * success -------- -------- --------------- -------------------- disabled enabled * success (only for "pull") -------- -------- --------------- -------------------- disabled disabled not-required success required requirement error (intentional) -------- -------- --------------- -------------------- (4) update/revert with a subrepo disabling largefiles In these cases, overridden functions cause accessing to largefiles specific fields of not "largefiles.reposetup()"-ed "repo" object, and execution is aborted. - (1), (2), (4) cause accessing to "_lfstatuswriters" in "getstatuswriter()" invoked via "updatelfiles()" - (3) causes accessing to "_lfcommithooks" in "overriderebase()" For safe accessing to these fields, this patch examines whether passed "repo" object is "largefiles.reposetup()"-ed or not before accessing to them. This patch chooses examining existence of newly introduced "_largefilesenabled" instead of "_lfcommithooks" and "_lfstatuswriters" directly, because the former is better name for the generic "largefiles is enabled in this repo" mark than the latter. In the future, all other overridden functions should avoid largefiles specific processing for efficiency, and "_largefilesenabled" is better also for such purpose. BTW, "lfstatus" can't be used for such purpose, because some code paths set it forcibly regardless of existence of it in specified "repo" object.

Mads Kiilerich - - Load All Authors

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      """test behavior of propertycache and unfiltered propertycache

      The repoview overlay is quite complex. We test the behavior of

      property cache of both localrepo and repoview to prevent

      regression."""

      import os, subprocess

      import mercurial.localrepo

      import mercurial.repoview

      import mercurial.util

      import mercurial.hg

      import mercurial.ui as uimod

      # create some special property cache that trace they call

      calllog = []

      @mercurial.util.propertycache

      def testcachedfoobar(repo):

          name = repo.filtername

          if name is None:

              name = ''

          val = len(name)

          calllog.append(val)

          return val

      unficalllog = []

      @mercurial.localrepo.unfilteredpropertycache

      def testcachedunfifoobar(repo):

          name = repo.filtername

          if name is None:

              name = ''

          val = 100 + len(name)

          unficalllog.append(val)

          return val

      #plug them on repo

      mercurial.localrepo.localrepository.testcachedfoobar = testcachedfoobar

      mercurial.localrepo.localrepository.testcachedunfifoobar = testcachedunfifoobar

      # Create an empty repo and instantiate it. It is important to run

      # these tests on the real object to detect regression.

      repopath = os.path.join(os.environ['TESTTMP'], 'repo')

      assert subprocess.call(['hg', 'init', repopath]) == 0

      ui = uimod.ui()

      repo = mercurial.hg.repository(ui, path=repopath).unfiltered()

      print ''

      print '=== property cache ==='

      print ''

      print 'calllog:', calllog

      print 'cached value (unfiltered):',

      print vars(repo).get('testcachedfoobar', 'NOCACHE')

      print ''

      print '= first access on unfiltered, should do a call'

      print 'access:', repo.testcachedfoobar

      print 'calllog:', calllog

      print 'cached value (unfiltered):',

      print vars(repo).get('testcachedfoobar', 'NOCACHE')

      print ''

      print '= second access on unfiltered, should not do call'

      print 'access', repo.testcachedfoobar

      print 'calllog:', calllog

      print 'cached value (unfiltered):',

      print vars(repo).get('testcachedfoobar', 'NOCACHE')

      print ''

      print '= first access on "visible" view, should do a call'

      visibleview = repo.filtered('visible')

      print 'cached value ("visible" view):',

      print vars(visibleview).get('testcachedfoobar', 'NOCACHE')

      print 'access:', visibleview.testcachedfoobar

      print 'calllog:', calllog

      print 'cached value (unfiltered):',

      print vars(repo).get('testcachedfoobar', 'NOCACHE')

      print 'cached value ("visible" view):',

      print vars(visibleview).get('testcachedfoobar', 'NOCACHE')

      print ''

      print '= second access on "visible view", should not do call'

      print 'access:', visibleview.testcachedfoobar

      print 'calllog:', calllog

      print 'cached value (unfiltered):',

      print vars(repo).get('testcachedfoobar', 'NOCACHE')

      print 'cached value ("visible" view):',

      print vars(visibleview).get('testcachedfoobar', 'NOCACHE')

      print ''

      print '= no effect on other view'

      immutableview = repo.filtered('immutable')

      print 'cached value ("immutable" view):',

      print vars(immutableview).get('testcachedfoobar', 'NOCACHE')

      print 'access:', immutableview.testcachedfoobar

      print 'calllog:', calllog

      print 'cached value (unfiltered):',

      print vars(repo).get('testcachedfoobar', 'NOCACHE')

      print 'cached value ("visible" view):',

      print vars(visibleview).get('testcachedfoobar', 'NOCACHE')

      print 'cached value ("immutable" view):',

      print vars(immutableview).get('testcachedfoobar', 'NOCACHE')

      # unfiltered property cache test

      print ''

      print ''

      print '=== unfiltered property cache ==='

      print ''

      print 'unficalllog:', unficalllog

      print 'cached value (unfiltered):      ',

      print vars(repo).get('testcachedunfifoobar', 'NOCACHE')

      print 'cached value ("visible" view):  ',

      print vars(visibleview).get('testcachedunfifoobar', 'NOCACHE')

      print 'cached value ("immutable" view):',

      print vars(immutableview).get('testcachedunfifoobar', 'NOCACHE')

      print ''

      print '= first access on unfiltered, should do a call'

      print 'access (unfiltered):', repo.testcachedunfifoobar

      print 'unficalllog:', unficalllog

      print 'cached value (unfiltered):      ',

      print vars(repo).get('testcachedunfifoobar', 'NOCACHE')

      print ''

      print '= second access on unfiltered, should not do call'

      print 'access (unfiltered):', repo.testcachedunfifoobar

      print 'unficalllog:', unficalllog

      print 'cached value (unfiltered):      ',

      print vars(repo).get('testcachedunfifoobar', 'NOCACHE')

      print ''

      print '= access on view should use the unfiltered cache'

      print 'access (unfiltered):      ', repo.testcachedunfifoobar

      print 'access ("visible" view):  ', visibleview.testcachedunfifoobar

      print 'access ("immutable" view):', immutableview.testcachedunfifoobar

      print 'unficalllog:', unficalllog

      print 'cached value (unfiltered):      ',

      print vars(repo).get('testcachedunfifoobar', 'NOCACHE')

      print 'cached value ("visible" view):  ',

      print vars(visibleview).get('testcachedunfifoobar', 'NOCACHE')

      print 'cached value ("immutable" view):',

      print vars(immutableview).get('testcachedunfifoobar', 'NOCACHE')

      print ''

      print '= even if we clear the unfiltered cache'

      del repo.__dict__['testcachedunfifoobar']

      print 'cached value (unfiltered):      ',

      print vars(repo).get('testcachedunfifoobar', 'NOCACHE')

      print 'cached value ("visible" view):  ',

      print vars(visibleview).get('testcachedunfifoobar', 'NOCACHE')

      print 'cached value ("immutable" view):',

      print vars(immutableview).get('testcachedunfifoobar', 'NOCACHE')

      print 'unficalllog:', unficalllog

      print 'access ("visible" view):  ', visibleview.testcachedunfifoobar

      print 'unficalllog:', unficalllog

      print 'cached value (unfiltered):      ',

      print vars(repo).get('testcachedunfifoobar', 'NOCACHE')

      print 'cached value ("visible" view):  ',

      print vars(visibleview).get('testcachedunfifoobar', 'NOCACHE')

      print 'cached value ("immutable" view):',

      print vars(immutableview).get('testcachedunfifoobar', 'NOCACHE')

      print 'access ("immutable" view):', immutableview.testcachedunfifoobar

      print 'unficalllog:', unficalllog

      print 'cached value (unfiltered):      ',

      print vars(repo).get('testcachedunfifoobar', 'NOCACHE')

      print 'cached value ("visible" view):  ',

      print vars(visibleview).get('testcachedunfifoobar', 'NOCACHE')

      print 'cached value ("immutable" view):',

      print vars(immutableview).get('testcachedunfifoobar', 'NOCACHE')

      print 'access (unfiltered):      ', repo.testcachedunfifoobar

      print 'unficalllog:', unficalllog

      print 'cached value (unfiltered):      ',

      print vars(repo).get('testcachedunfifoobar', 'NOCACHE')

      print 'cached value ("visible" view):  ',

      print vars(visibleview).get('testcachedunfifoobar', 'NOCACHE')

      print 'cached value ("immutable" view):',

      print vars(immutableview).get('testcachedunfifoobar', 'NOCACHE')

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				"""test behavior of propertycache and unfiltered propertycache

				The repoview overlay is quite complex. We test the behavior of
				property cache of both localrepo and repoview to prevent
				regression."""

				import os, subprocess
				import mercurial.localrepo
				import mercurial.repoview
				import mercurial.util
				import mercurial.hg
				import mercurial.ui as uimod


				# create some special property cache that trace they call

				calllog = []
				@mercurial.util.propertycache
				def testcachedfoobar(repo):
				name = repo.filtername
				if name is None:
				name = ''
				val = len(name)
				calllog.append(val)
				return val

				unficalllog = []
				@mercurial.localrepo.unfilteredpropertycache
				def testcachedunfifoobar(repo):
				name = repo.filtername
				if name is None:
				name = ''
				val = 100 + len(name)
				unficalllog.append(val)
				return val

				#plug them on repo
				mercurial.localrepo.localrepository.testcachedfoobar = testcachedfoobar
				mercurial.localrepo.localrepository.testcachedunfifoobar = testcachedunfifoobar


				# Create an empty repo and instantiate it. It is important to run
				# these tests on the real object to detect regression.
				repopath = os.path.join(os.environ['TESTTMP'], 'repo')
				assert subprocess.call(['hg', 'init', repopath]) == 0
				ui = uimod.ui()
				repo = mercurial.hg.repository(ui, path=repopath).unfiltered()


				print ''
				print '=== property cache ==='
				print ''
				print 'calllog:', calllog
				print 'cached value (unfiltered):',
				print vars(repo).get('testcachedfoobar', 'NOCACHE')

				print ''
				print '= first access on unfiltered, should do a call'
				print 'access:', repo.testcachedfoobar
				print 'calllog:', calllog
				print 'cached value (unfiltered):',
				print vars(repo).get('testcachedfoobar', 'NOCACHE')

				print ''
				print '= second access on unfiltered, should not do call'
				print 'access', repo.testcachedfoobar
				print 'calllog:', calllog
				print 'cached value (unfiltered):',
				print vars(repo).get('testcachedfoobar', 'NOCACHE')

				print ''
				print '= first access on "visible" view, should do a call'
				visibleview = repo.filtered('visible')
				print 'cached value ("visible" view):',
				print vars(visibleview).get('testcachedfoobar', 'NOCACHE')
				print 'access:', visibleview.testcachedfoobar
				print 'calllog:', calllog
				print 'cached value (unfiltered):',
				print vars(repo).get('testcachedfoobar', 'NOCACHE')
				print 'cached value ("visible" view):',
				print vars(visibleview).get('testcachedfoobar', 'NOCACHE')

				print ''
				print '= second access on "visible view", should not do call'
				print 'access:', visibleview.testcachedfoobar
				print 'calllog:', calllog
				print 'cached value (unfiltered):',
				print vars(repo).get('testcachedfoobar', 'NOCACHE')
				print 'cached value ("visible" view):',
				print vars(visibleview).get('testcachedfoobar', 'NOCACHE')

				print ''
				print '= no effect on other view'
				immutableview = repo.filtered('immutable')
				print 'cached value ("immutable" view):',
				print vars(immutableview).get('testcachedfoobar', 'NOCACHE')
				print 'access:', immutableview.testcachedfoobar
				print 'calllog:', calllog
				print 'cached value (unfiltered):',
				print vars(repo).get('testcachedfoobar', 'NOCACHE')
				print 'cached value ("visible" view):',
				print vars(visibleview).get('testcachedfoobar', 'NOCACHE')
				print 'cached value ("immutable" view):',
				print vars(immutableview).get('testcachedfoobar', 'NOCACHE')

				# unfiltered property cache test
				print ''
				print ''
				print '=== unfiltered property cache ==='
				print ''
				print 'unficalllog:', unficalllog
				print 'cached value (unfiltered): ',
				print vars(repo).get('testcachedunfifoobar', 'NOCACHE')
				print 'cached value ("visible" view): ',
				print vars(visibleview).get('testcachedunfifoobar', 'NOCACHE')
				print 'cached value ("immutable" view):',
				print vars(immutableview).get('testcachedunfifoobar', 'NOCACHE')

				print ''
				print '= first access on unfiltered, should do a call'
				print 'access (unfiltered):', repo.testcachedunfifoobar
				print 'unficalllog:', unficalllog
				print 'cached value (unfiltered): ',
				print vars(repo).get('testcachedunfifoobar', 'NOCACHE')

				print ''
				print '= second access on unfiltered, should not do call'
				print 'access (unfiltered):', repo.testcachedunfifoobar
				print 'unficalllog:', unficalllog
				print 'cached value (unfiltered): ',
				print vars(repo).get('testcachedunfifoobar', 'NOCACHE')

				print ''
				print '= access on view should use the unfiltered cache'
				print 'access (unfiltered): ', repo.testcachedunfifoobar
				print 'access ("visible" view): ', visibleview.testcachedunfifoobar
				print 'access ("immutable" view):', immutableview.testcachedunfifoobar
				print 'unficalllog:', unficalllog
				print 'cached value (unfiltered): ',
				print vars(repo).get('testcachedunfifoobar', 'NOCACHE')
				print 'cached value ("visible" view): ',
				print vars(visibleview).get('testcachedunfifoobar', 'NOCACHE')
				print 'cached value ("immutable" view):',
				print vars(immutableview).get('testcachedunfifoobar', 'NOCACHE')

				print ''
				print '= even if we clear the unfiltered cache'
				del repo.__dict__['testcachedunfifoobar']
				print 'cached value (unfiltered): ',
				print vars(repo).get('testcachedunfifoobar', 'NOCACHE')
				print 'cached value ("visible" view): ',
				print vars(visibleview).get('testcachedunfifoobar', 'NOCACHE')
				print 'cached value ("immutable" view):',
				print vars(immutableview).get('testcachedunfifoobar', 'NOCACHE')
				print 'unficalllog:', unficalllog
				print 'access ("visible" view): ', visibleview.testcachedunfifoobar
				print 'unficalllog:', unficalllog
				print 'cached value (unfiltered): ',
				print vars(repo).get('testcachedunfifoobar', 'NOCACHE')
				print 'cached value ("visible" view): ',
				print vars(visibleview).get('testcachedunfifoobar', 'NOCACHE')
				print 'cached value ("immutable" view):',
				print vars(immutableview).get('testcachedunfifoobar', 'NOCACHE')
				print 'access ("immutable" view):', immutableview.testcachedunfifoobar
				print 'unficalllog:', unficalllog
				print 'cached value (unfiltered): ',
				print vars(repo).get('testcachedunfifoobar', 'NOCACHE')
				print 'cached value ("visible" view): ',
				print vars(visibleview).get('testcachedunfifoobar', 'NOCACHE')
				print 'cached value ("immutable" view):',
				print vars(immutableview).get('testcachedunfifoobar', 'NOCACHE')
				print 'access (unfiltered): ', repo.testcachedunfifoobar
				print 'unficalllog:', unficalllog
				print 'cached value (unfiltered): ',
				print vars(repo).get('testcachedunfifoobar', 'NOCACHE')
				print 'cached value ("visible" view): ',
				print vars(visibleview).get('testcachedunfifoobar', 'NOCACHE')
				print 'cached value ("immutable" view):',
				print vars(immutableview).get('testcachedunfifoobar', 'NOCACHE')