hgweb: added test case for extension loading phases (issue1824)

this checks the order of module loading phases of hgweb.

`4) reposetup' lines are duplicated because hgweb calls
hg.repository() twice, one by __init__, another by refresh.

tests/test-extension

@@ -1,141 +1,155 b''
 #!/bin/sh
 # Test basic extension support
 
 "$TESTDIR/hghave" no-outer-repo || exit 80
 
 cat > foobar.py <<EOF
 import os
 from mercurial import commands
 
 def uisetup(ui):
     ui.write("uisetup called\\n")
 
 def reposetup(ui, repo):
     ui.write("reposetup called for %s\\n" % os.path.basename(repo.root))
     ui.write("ui %s= repo.ui\\n" % (ui == repo.ui and "=" or "!"))
 
 def foo(ui, *args, **kwargs):
     ui.write("Foo\\n")
 
 def bar(ui, *args, **kwargs):
     ui.write("Bar\\n")
 
 cmdtable = {
     "foo": (foo, [], "hg foo"),
     "bar": (bar, [], "hg bar"),
 }
 
 commands.norepo += ' bar'
 EOF
 abspath=`pwd`/foobar.py
 
 mkdir barfoo
 cp foobar.py barfoo/__init__.py
 barfoopath=`pwd`/barfoo
 
 hg init a
 cd a
 echo foo > file
 hg add file
 hg commit -m 'add file'
 
 echo '[extensions]' >> $HGRCPATH
 echo "foobar = $abspath" >> $HGRCPATH
 hg foo
 
 cd ..
 hg clone a b
 
 hg bar
 echo 'foobar = !' >> $HGRCPATH
 
 echo '% module/__init__.py-style'
 echo "barfoo = $barfoopath" >> $HGRCPATH
 cd a
 hg foo
 echo 'barfoo = !' >> $HGRCPATH
 
 # check that extensions are loaded in phases
 cat > foo.py <<EOF
 import os
 name = os.path.basename(__file__).rsplit('.', 1)[0]
 print "1) %s imported" % name
 def uisetup(ui):
     print "2) %s uisetup" % name
 def extsetup():
     print "3) %s extsetup" % name
 def reposetup(ui, repo):
     print "4) %s reposetup" % name
 EOF
 
 cp foo.py bar.py
 echo 'foo = foo.py' >> $HGRCPATH
 echo 'bar = bar.py' >> $HGRCPATH
 
 # command with no output, we just want to see the extensions loaded
 hg paths
 
+# check hgweb's load order
+echo '% hgweb.cgi'
+cat > hgweb.cgi <<EOF
+#!/usr/bin/env python
+from mercurial import demandimport; demandimport.enable()
+from mercurial.hgweb import hgweb
+from mercurial.hgweb import wsgicgi
+
+application = hgweb('.', 'test repo')
+wsgicgi.launch(application)
+EOF
+SCRIPT_NAME='/' SERVER_PORT='80' SERVER_NAME='localhost' python hgweb.cgi \
+    | grep '^[[:digit:]]) [[:alnum:] ]*$'  # ignores HTML output
+
 echo 'foo = !' >> $HGRCPATH
 echo 'bar = !' >> $HGRCPATH
 
 cd ..
 cat > empty.py <<EOF
 '''empty cmdtable
 '''
 cmdtable = {}
 EOF
 emptypath=`pwd`/empty.py
 echo "empty = $emptypath" >> $HGRCPATH
 hg help empty
 echo 'empty = !' >> $HGRCPATH
 
 cat > debugextension.py <<EOF
 '''only debugcommands
 '''
 def debugfoobar(ui, repo, *args, **opts):
     "yet another debug command"
     pass
 
 def foo(ui, repo, *args, **opts):
     """yet another foo command
 
     This command has been DEPRECATED since forever.
     """
     pass
 
 cmdtable = {
     "debugfoobar": (debugfoobar, (), "hg debugfoobar"),
     "foo": (foo, (), "hg foo")
 }
 EOF
 debugpath=`pwd`/debugextension.py
 echo "debugextension = $debugpath" >> $HGRCPATH
 echo "% hg help"
 hg help debugextension
 echo "% hg help --verbose"
 hg --verbose help debugextension
 echo "% hg help --debug"
 hg --debug help debugextension
 echo 'debugextension = !' >> $HGRCPATH
 
 echo % issue811
 debugpath=`pwd`/debugissue811.py
 cat > debugissue811.py <<EOF
 '''show all loaded extensions
 '''
 from mercurial import extensions, commands
 
 def debugextensions(ui):
     "yet another debug command"
     ui.write("%s\n" % '\n'.join([x for x, y in extensions.extensions()]))
 
 cmdtable = {"debugextensions": (debugextensions, (), "hg debugextensions")}
 commands.norepo += " debugextensions"
 EOF
 echo "debugissue811 = $debugpath" >> $HGRCPATH
 echo "mq=" >> $HGRCPATH
 echo "hgext.mq=" >> $HGRCPATH
 echo "hgext/mq=" >> $HGRCPATH
 
 echo % show extensions
 hg debugextensions

tests/test-extension.out

@@ -1,95 +1,106 b''
 uisetup called
 reposetup called for a
 ui == repo.ui
 Foo
 uisetup called
 reposetup called for a
 ui == repo.ui
 reposetup called for b
 ui == repo.ui
 updating to branch default
 1 files updated, 0 files merged, 0 files removed, 0 files unresolved
 uisetup called
 Bar
 % module/__init__.py-style
 uisetup called
 reposetup called for a
 ui == repo.ui
 Foo
 1) foo imported
 1) bar imported
 2) foo uisetup
 2) bar uisetup
 3) foo extsetup
 3) bar extsetup
 4) foo reposetup
 4) bar reposetup
+% hgweb.cgi
+1) foo imported
+1) bar imported
+2) foo uisetup
+2) bar uisetup
+3) foo extsetup
+3) bar extsetup
+4) foo reposetup
+4) bar reposetup
+4) foo reposetup
+4) bar reposetup
 empty extension - empty cmdtable
 
 no commands defined
 % hg help
 debugextension extension - only debugcommands
 
 no commands defined
 % hg help --verbose
 debugextension extension - only debugcommands
 
 list of commands:
 
  foo:
       yet another foo command
 
 enabled extensions:
 
  debugextension   only debugcommands
 
 global options:
  -R --repository      repository root directory or name of overlay bundle file
     --cwd             change working directory
  -y --noninteractive  do not prompt, assume 'yes' for any required answers
  -q --quiet           suppress output
  -v --verbose         enable additional output
     --config          set/override config option
     --debug           enable debugging output
     --debugger        start debugger
     --encoding        set the charset encoding (default: ascii)
     --encodingmode    set the charset encoding mode (default: strict)
     --traceback       print traceback on exception
     --time            time how long the command takes
     --profile         print command execution profile
     --version         output version information and exit
  -h --help            display help and exit
 % hg help --debug
 debugextension extension - only debugcommands
 
 list of commands:
 
  debugfoobar:
       yet another debug command
  foo:
       yet another foo command
 
 enabled extensions:
 
  debugextension   only debugcommands
 
 global options:
  -R --repository      repository root directory or name of overlay bundle file
     --cwd             change working directory
  -y --noninteractive  do not prompt, assume 'yes' for any required answers
  -q --quiet           suppress output
  -v --verbose         enable additional output
     --config          set/override config option
     --debug           enable debugging output
     --debugger        start debugger
     --encoding        set the charset encoding (default: ascii)
     --encodingmode    set the charset encoding mode (default: strict)
     --traceback       print traceback on exception
     --time            time how long the command takes
     --profile         print command execution profile
     --version         output version information and exit
  -h --help            display help and exit
 % issue811
 % show extensions
 debugissue811
 mq