tests/test-check-code.t

obsolescence: add test for the "branch replacement" logic during push, case B3

Mercurial checks for the introduction of new heads on push. Evolution comes
into play to detect if existing branches on the server are being replaced by
some of the new one we push.

The current code for this logic is very basic (eg: issue4354) and was poorly
tested. We have a better implementation coming in the evolve extension fixing
these issues and with more serious tests coverage. In the process of upstreaming
this improved logic, we start with adding the test case that are already passing
with the current implementation. Once they are all in, we'll upstream the better
implementation and the extra test cases.

See inline documentation for details about the test case added in this
changeset.

#require test-repo

  $ . "$TESTDIR/helpers-testrepo.sh"
  $ check_code="$TESTDIR"/../contrib/check-code.py
  $ cd "$TESTDIR"/..

New errors are not allowed. Warnings are strongly discouraged.
(The writing "no-che?k-code" is for not skipping this file when checking.)

  $ hg locate -X contrib/python-zstandard -X hgext/fsmonitor/pywatchman |
  > sed 's-\\-/-g' | "$check_code" --warnings --per-file=0 - || false
  contrib/perf.py:869:
   >             r.revision(r.node(x))
   don't convert rev to node before passing to revision(nodeorrev)
  Skipping i18n/polib.py it has no-che?k-code (glob)
  mercurial/demandimport.py:312:
   >     if os.environ.get('HGDEMANDIMPORT') != 'disable':
   use encoding.environ instead (py3)
  mercurial/encoding.py:54:
   >     environ = os.environ
   use encoding.environ instead (py3)
  mercurial/encoding.py:56:
   >     environ = os.environb
   use encoding.environ instead (py3)
  mercurial/encoding.py:61:
   >                    for k, v in os.environ.items())
   use encoding.environ instead (py3)
  mercurial/encoding.py:221:
   >                    for k, v in os.environ.items())
   use encoding.environ instead (py3)
  Skipping mercurial/httpclient/__init__.py it has no-che?k-code (glob)
  Skipping mercurial/httpclient/_readers.py it has no-che?k-code (glob)
  mercurial/policy.py:46:
   >     if 'HGMODULEPOLICY' in os.environ:
   use encoding.environ instead (py3)
  mercurial/policy.py:47:
   >         policy = os.environ['HGMODULEPOLICY'].encode('utf-8')
   use encoding.environ instead (py3)
  mercurial/policy.py:49:
   >     policy = os.environ.get('HGMODULEPOLICY', policy)
   use encoding.environ instead (py3)
  Skipping mercurial/statprof.py it has no-che?k-code (glob)
  [1]

@commands in debugcommands.py should be in alphabetical order.

  >>> import re
  >>> commands = []
  >>> with open('mercurial/debugcommands.py', 'rb') as fh:
  ...     for line in fh:
  ...         m = re.match("^@command\('([a-z]+)", line)
  ...         if m:
  ...             commands.append(m.group(1))
  >>> scommands = list(sorted(commands))
  >>> for i, command in enumerate(scommands):
  ...     if command != commands[i]:
  ...         print('commands in debugcommands.py not sorted; first differing '
  ...               'command is %s; expected %s' % (commands[i], command))
  ...         break

Prevent adding new files in the root directory accidentally.

  $ hg files 'glob:*'
  .editorconfig
  .hgignore
  .hgsigs
  .hgtags
  CONTRIBUTING
  CONTRIBUTORS
  COPYING
  Makefile
  README
  hg
  hgeditor
  hgweb.cgi
  setup.py