tests/test-hgweb-non-interactive.t

registrar: host "dynamicdefault" constant by configitem object

This is the common pattern seen in the other registrar classes.

Tests if hgweb can run without touching sys.stdin, as is required
by the WSGI standard and strictly implemented by mod_wsgi.

  $ hg init repo
  $ cd repo
  $ echo foo > bar
  $ hg add bar
  $ hg commit -m "test"
  $ cat > request.py <<EOF
  > from __future__ import absolute_import
  > import os
  > import sys
  > from mercurial import (
  >     dispatch,
  >     hg,
  >     ui as uimod,
  >     util,
  > )
  > ui = uimod.ui
  > from mercurial.hgweb.hgweb_mod import (
  >     hgweb,
  > )
  > stringio = util.stringio
  > 
  > class FileLike(object):
  >     def __init__(self, real):
  >         self.real = real
  >     def fileno(self):
  >         print >> sys.__stdout__, 'FILENO'
  >         return self.real.fileno()
  >     def read(self):
  >         print >> sys.__stdout__, 'READ'
  >         return self.real.read()
  >     def readline(self):
  >         print >> sys.__stdout__, 'READLINE'
  >         return self.real.readline()
  > 
  > sys.stdin = FileLike(sys.stdin)
  > errors = stringio()
  > input = stringio()
  > output = stringio()
  > 
  > def startrsp(status, headers):
  >     print('---- STATUS')
  >     print(status)
  >     print('---- HEADERS')
  >     print([i for i in headers if i[0] != 'ETag'])
  >     print('---- DATA')
  >     return output.write
  > 
  > env = {
  >     'wsgi.version': (1, 0),
  >     'wsgi.url_scheme': 'http',
  >     'wsgi.errors': errors,
  >     'wsgi.input': input,
  >     'wsgi.multithread': False,
  >     'wsgi.multiprocess': False,
  >     'wsgi.run_once': False,
  >     'REQUEST_METHOD': 'GET',
  >     'SCRIPT_NAME': '',
  >     'PATH_INFO': '',
  >     'QUERY_STRING': '',
  >     'SERVER_NAME': '$LOCALIP',
  >     'SERVER_PORT': os.environ['HGPORT'],
  >     'SERVER_PROTOCOL': 'HTTP/1.0'
  > }
  > 
  > i = hgweb('.')
  > for c in i(env, startrsp):
  >     pass
  > print('---- ERRORS')
  > print(errors.getvalue())
  > print('---- OS.ENVIRON wsgi variables')
  > print(sorted([x for x in os.environ if x.startswith('wsgi')]))
  > print('---- request.ENVIRON wsgi variables')
  > with i._obtainrepo() as repo:
  >     print(sorted([x for x in repo.ui.environ if x.startswith('wsgi')]))
  > EOF
  $ $PYTHON request.py
  ---- STATUS
  200 Script output follows
  ---- HEADERS
  [('Content-Type', 'text/html; charset=ascii')]
  ---- DATA
  ---- ERRORS
  
  ---- OS.ENVIRON wsgi variables
  []
  ---- request.ENVIRON wsgi variables
  ['wsgi.errors', 'wsgi.input', 'wsgi.multiprocess', 'wsgi.multithread', 'wsgi.run_once', 'wsgi.url_scheme', 'wsgi.version']

  $ cd ..