tests: import mercurial modules by name in test-propertycache

This is our convention, and silences import-checker.py that would say
imports weren't lexically sorted.

tests/test-propertycache.py

@@ -1,180 +1,182 b''
 """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."""
 
 from __future__ import absolute_import, print_function
 import os
 import subprocess
-import mercurial.localrepo
-import mercurial.util
-import mercurial.hg
-import mercurial.ui as uimod
 
+from mercurial import (
+    hg,
+    localrepo,
+    ui as uimod,
+    util,
+)
 
 # create some special property cache that trace they call
 
 calllog = []
[e-mail]
[e-mail]
 def testcachedfoobar(repo):
     name = repo.filtername
     if name is None:
         name = ''
     val = len(name)
     calllog.append(val)
     return val
 
 unficalllog = []
[e-mail]
[e-mail]
 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
+localrepo.localrepository.testcachedfoobar = testcachedfoobar
+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()
+repo = hg.repository(ui, path=repopath).unfiltered()
 
 
 print('')
 print('=== property cache ===')
 print('')
 print('calllog:', calllog)
 print('cached value (unfiltered):',
     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):',
     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):',
     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):',
     vars(visibleview).get('testcachedfoobar', 'NOCACHE'))
 print('access:', visibleview.testcachedfoobar)
 print('calllog:', calllog)
 print('cached value (unfiltered):',
     vars(repo).get('testcachedfoobar', 'NOCACHE'))
 print('cached value ("visible" view):',
     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):',
     vars(repo).get('testcachedfoobar', 'NOCACHE'))
 print('cached value ("visible" view):',
     vars(visibleview).get('testcachedfoobar', 'NOCACHE'))
 
 print('')
 print('= no effect on other view')
 immutableview = repo.filtered('immutable')
 print('cached value ("immutable" view):',
     vars(immutableview).get('testcachedfoobar', 'NOCACHE'))
 print('access:', immutableview.testcachedfoobar)
 print('calllog:', calllog)
 print('cached value (unfiltered):',
     vars(repo).get('testcachedfoobar', 'NOCACHE'))
 print('cached value ("visible" view):',
     vars(visibleview).get('testcachedfoobar', 'NOCACHE'))
 print('cached value ("immutable" view):',
     vars(immutableview).get('testcachedfoobar', 'NOCACHE'))
 
 # unfiltered property cache test
 print('')
 print('')
 print('=== unfiltered property cache ===')
 print('')
 print('unficalllog:', unficalllog)
 print('cached value (unfiltered):      ',
     vars(repo).get('testcachedunfifoobar', 'NOCACHE'))
 print('cached value ("visible" view):  ',
     vars(visibleview).get('testcachedunfifoobar', 'NOCACHE'))
 print('cached value ("immutable" view):',
     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):      ',
     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):      ',
     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):      ',
     vars(repo).get('testcachedunfifoobar', 'NOCACHE'))
 print('cached value ("visible" view):  ',
     vars(visibleview).get('testcachedunfifoobar', 'NOCACHE'))
 print('cached value ("immutable" view):',
     vars(immutableview).get('testcachedunfifoobar', 'NOCACHE'))
 
 print('')
 print('= even if we clear the unfiltered cache')
 del repo.__dict__['testcachedunfifoobar']
 print('cached value (unfiltered):      ',
     vars(repo).get('testcachedunfifoobar', 'NOCACHE'))
 print('cached value ("visible" view):  ',
     vars(visibleview).get('testcachedunfifoobar', 'NOCACHE'))
 print('cached value ("immutable" view):',
     vars(immutableview).get('testcachedunfifoobar', 'NOCACHE'))
 print('unficalllog:', unficalllog)
 print('access ("visible" view):  ', visibleview.testcachedunfifoobar)
 print('unficalllog:', unficalllog)
 print('cached value (unfiltered):      ',
     vars(repo).get('testcachedunfifoobar', 'NOCACHE'))
 print('cached value ("visible" view):  ',
     vars(visibleview).get('testcachedunfifoobar', 'NOCACHE'))
 print('cached value ("immutable" view):',
     vars(immutableview).get('testcachedunfifoobar', 'NOCACHE'))
 print('access ("immutable" view):', immutableview.testcachedunfifoobar)
 print('unficalllog:', unficalllog)
 print('cached value (unfiltered):      ',
     vars(repo).get('testcachedunfifoobar', 'NOCACHE'))
 print('cached value ("visible" view):  ',
     vars(visibleview).get('testcachedunfifoobar', 'NOCACHE'))
 print('cached value ("immutable" view):',
     vars(immutableview).get('testcachedunfifoobar', 'NOCACHE'))
 print('access (unfiltered):      ', repo.testcachedunfifoobar)
 print('unficalllog:', unficalllog)
 print('cached value (unfiltered):      ',
     vars(repo).get('testcachedunfifoobar', 'NOCACHE'))
 print('cached value ("visible" view):  ',
     vars(visibleview).get('testcachedunfifoobar', 'NOCACHE'))
 print('cached value ("immutable" view):',
     vars(immutableview).get('testcachedunfifoobar', 'NOCACHE'))