$ cat > loop.py <<EOF

  > from mercurial import cmdutil, commands

  > import time

  > 

  > cmdtable = {}

  > command = cmdutil.command(cmdtable)

  > 

  > class incrementingtime(object):

  >     def __init__(self):

  >         self._time = 0.0

  >     def __call__(self):

  >         self._time += 0.25

  >         return self._time

  > time.time = incrementingtime()

  > 

  > @command('loop',

  >     [('', 'total', '', 'override for total'),

  >     ('', 'nested', False, 'show nested results'),

  >     ('', 'parallel', False, 'show parallel sets of results')],

  >     'hg loop LOOPS',

  >     norepo=True)

  > def loop(ui, loops, **opts):

  >     loops = int(loops)

  >     total = None

  >     if loops >= 0:

  >         total = loops

  >     if opts.get('total', None):

  >         total = int(opts.get('total'))

  >     nested = False

  >     if opts.get('nested', None):

  >         nested = True

  >     loops = abs(loops)

  > 

  >     for i in range(loops):

  >         ui.progress(topiclabel, i, getloopitem(i), 'loopnum', total)

  >         if opts.get('parallel'):

  >             ui.progress('other', i, 'other.%d' % i, 'othernum', total)

  >         if nested:

  >             nested_steps = 2

  >             if i and i % 4 == 0:

  >                 nested_steps = 5

  >             for j in range(nested_steps):

  >                 ui.progress(

  >                   'nested', j, 'nested.%d' % j, 'nestnum', nested_steps)

  >             ui.progress(

  >               'nested', None, 'nested.done', 'nestnum', nested_steps)

  >     ui.progress(topiclabel, None, 'loop.done', 'loopnum', total)

  > 

  > topiclabel = 'loop'

  > def getloopitem(i):

  >     return 'loop.%d' % i

  > 

  > EOF

  $ cp $HGRCPATH $HGRCPATH.orig

  $ echo "[extensions]" >> $HGRCPATH

  $ echo "progress=" >> $HGRCPATH

  $ echo "loop=`pwd`/loop.py" >> $HGRCPATH

  $ echo "[progress]" >> $HGRCPATH

  $ echo "format = topic bar number" >> $HGRCPATH

  $ echo "assume-tty=1" >> $HGRCPATH

  $ echo "width=60" >> $HGRCPATH

test default params, display nothing because of delay

  $ hg -y loop 3

  $ echo "delay=0" >> $HGRCPATH

  $ echo "refresh=0" >> $HGRCPATH

test with delay=0, refresh=0

  $ hg -y loop 3

  \r (no-eol) (esc)

  loop [                                                ] 0/3\r (no-eol) (esc)

  loop [===============>                                ] 1/3\r (no-eol) (esc)

  loop [===============================>                ] 2/3\r (no-eol) (esc)

                                                              \r (no-eol) (esc)

test nested short-lived topics (which shouldn't display with nestdelay):

  $ hg -y loop 3 --nested

  \r (no-eol) (esc)

  loop [                                                ] 0/3\r (no-eol) (esc)

  loop [===============>                                ] 1/3\r (no-eol) (esc)

  loop [===============================>                ] 2/3\r (no-eol) (esc)

                                                              \r (no-eol) (esc)

Test nested long-lived topic which has the same name as a short-lived

peer. We shouldn't get stuck showing the short-lived inner steps, and

should go back to skipping the inner steps when the slow nested step

finishes.

  $ hg -y loop 7 --nested

  \r (no-eol) (esc)

  loop [                                                ] 0/7\r (no-eol) (esc)

  loop [=====>                                          ] 1/7\r (no-eol) (esc)

  loop [============>                                   ] 2/7\r (no-eol) (esc)

  loop [===================>                            ] 3/7\r (no-eol) (esc)

  loop [==========================>                     ] 4/7\r (no-eol) (esc)

  nested [==========================>                   ] 3/5\r (no-eol) (esc)

  nested [===================================>          ] 4/5\r (no-eol) (esc)

  loop [=================================>              ] 5/7\r (no-eol) (esc)

  loop [========================================>       ] 6/7\r (no-eol) (esc)

                                                              \r (no-eol) (esc)

  $ hg --config progress.changedelay=0 -y loop 3 --nested

  \r (no-eol) (esc)

  loop [                                                ] 0/3\r (no-eol) (esc)

  nested [                                              ] 0/2\r (no-eol) (esc)

  nested [======================>                       ] 1/2\r (no-eol) (esc)

  loop [===============>                                ] 1/3\r (no-eol) (esc)

  nested [                                              ] 0/2\r (no-eol) (esc)

  nested [======================>                       ] 1/2\r (no-eol) (esc)

  loop [===============================>                ] 2/3\r (no-eol) (esc)

  nested [                                              ] 0/2\r (no-eol) (esc)

  nested [======================>                       ] 1/2\r (no-eol) (esc)

                                                              \r (no-eol) (esc)

test two topics being printed in parallel (as when we're doing a local

--pull clone, where you get the unbundle and bundle progress at the

same time):

  $ hg loop 3 --parallel

  \r (no-eol) (esc)

  loop [                                                ] 0/3\r (no-eol) (esc)

  loop [===============>                                ] 1/3\r (no-eol) (esc)

  loop [===============================>                ] 2/3\r (no-eol) (esc)

                                                              \r (no-eol) (esc)

test refresh is taken in account

  $ hg -y --config progress.refresh=100 loop 3

test format options 1

  $ hg -y --config 'progress.format=number topic item+2' loop 2

  \r (no-eol) (esc)

  0/2 loop lo\r (no-eol) (esc)

  1/2 loop lo\r (no-eol) (esc)

                                                              \r (no-eol) (esc)

test format options 2

  $ hg -y --config 'progress.format=number item-3 bar' loop 2

  \r (no-eol) (esc)

  0/2 p.0 [                                                 ]\r (no-eol) (esc)

  1/2 p.1 [=======================>                         ]\r (no-eol) (esc)

                                                              \r (no-eol) (esc)

test format options and indeterminate progress

  $ hg -y --config 'progress.format=number item bar' loop -- -2

  \r (no-eol) (esc)

  0 loop.0               [ <=>                              ]\r (no-eol) (esc)

  1 loop.1               [  <=>                             ]\r (no-eol) (esc)

                                                              \r (no-eol) (esc)

make sure things don't fall over if count > total

  $ hg -y loop --total 4 6

  \r (no-eol) (esc)

  loop [                                                ] 0/4\r (no-eol) (esc)

  loop [===========>                                    ] 1/4\r (no-eol) (esc)

  loop [=======================>                        ] 2/4\r (no-eol) (esc)

  loop [===================================>            ] 3/4\r (no-eol) (esc)

  loop [===============================================>] 4/4\r (no-eol) (esc)

  loop [ <=>                                            ] 5/4\r (no-eol) (esc)

                                                              \r (no-eol) (esc)

test immediate progress completion

  $ hg -y loop 0

test delay time estimates

  $ cat > mocktime.py <<EOF

  > import os

  > import time

  > 

  > class mocktime(object):

  >     def __init__(self, increment):

  >         self.time = 0

  >         self.increment = increment

  >     def __call__(self):

  >         self.time += self.increment

  >         return self.time

  > 

  > def uisetup(ui):

  >     time.time = mocktime(int(os.environ.get('MOCKTIME', '11')))

  > EOF

  $ cp $HGRCPATH.orig $HGRCPATH

  $ echo "[extensions]" >> $HGRCPATH

  $ echo "mocktime=`pwd`/mocktime.py" >> $HGRCPATH

  $ echo "progress=" >> $HGRCPATH

  $ echo "loop=`pwd`/loop.py" >> $HGRCPATH

  $ echo "[progress]" >> $HGRCPATH

  $ echo "assume-tty=1" >> $HGRCPATH

  $ echo "delay=25" >> $HGRCPATH

  $ echo "width=60" >> $HGRCPATH

  $ hg -y loop 8

  \r (no-eol) (esc)

  loop [=========>                                ] 2/8 1m07s\r (no-eol) (esc)

  loop [===============>                            ] 3/8 56s\r (no-eol) (esc)

  loop [=====================>                      ] 4/8 45s\r (no-eol) (esc)

  loop [==========================>                 ] 5/8 34s\r (no-eol) (esc)

  loop [================================>           ] 6/8 23s\r (no-eol) (esc)

  loop [=====================================>      ] 7/8 12s\r (no-eol) (esc)

                                                              \r (no-eol) (esc)

  $ MOCKTIME=10000 hg -y loop 4

  \r (no-eol) (esc)

  loop [                                                ] 0/4\r (no-eol) (esc)

  loop [=========>                                ] 1/4 8h21m\r (no-eol) (esc)

  loop [====================>                     ] 2/4 5h34m\r (no-eol) (esc)

  loop [==============================>           ] 3/4 2h47m\r (no-eol) (esc)

                                                              \r (no-eol) (esc)

  $ MOCKTIME=1000000 hg -y loop 4

  \r (no-eol) (esc)

  loop [                                                ] 0/4\r (no-eol) (esc)

  loop [=========>                                ] 1/4 5w00d\r (no-eol) (esc)

  loop [====================>                     ] 2/4 3w03d\r (no-eol) (esc)

  loop [=============================>           ] 3/4 11d14h\r (no-eol) (esc)

                                                              \r (no-eol) (esc)

  $ MOCKTIME=14000000 hg -y loop 4

  \r (no-eol) (esc)

  loop [                                                ] 0/4\r (no-eol) (esc)

  loop [=========>                                ] 1/4 1y18w\r (no-eol) (esc)

  loop [===================>                     ] 2/4 46w03d\r (no-eol) (esc)

  loop [=============================>           ] 3/4 23w02d\r (no-eol) (esc)

                                                              \r (no-eol) (esc)

Time estimates should not fail when there's no end point:

  $ hg -y loop -- -4

  \r (no-eol) (esc)

  loop [ <=>                                              ] 2\r (no-eol) (esc)

  loop [  <=>                                             ] 3\r (no-eol) (esc)

                                                              \r (no-eol) (esc)

test line trimming by '[progress] width', when progress topic contains

multi-byte characters, of which length of byte sequence and columns in

display are different from each other.

  $ cp $HGRCPATH.orig $HGRCPATH

  $ cat >> $HGRCPATH <<EOF

  > [extensions]

  > progress=

  > loop=`pwd`/loop.py

  > [progress]

  > assume-tty = 1

  > delay = 0

  > refresh = 0

  > EOF

  $ rm -f loop.pyc

  $ cat >> loop.py <<EOF

  > # use non-ascii characters as topic label of progress

  > # 2 x 4 = 8 columns, but 3 x 4 = 12 bytes

  > topiclabel = u'\u3042\u3044\u3046\u3048'.encode('utf-8')

  > EOF

  $ cat >> $HGRCPATH <<EOF

  > [progress]

  > format = topic number

  > width= 12

  > EOF

  $ hg --encoding utf-8 -y loop --total 3 3

  \r (no-eol) (esc)

  \xe3\x81\x82\xe3\x81\x84\xe3\x81\x86\xe3\x81\x88 0/3\r (no-eol) (esc)

  \xe3\x81\x82\xe3\x81\x84\xe3\x81\x86\xe3\x81\x88 1/3\r (no-eol) (esc)

  \xe3\x81\x82\xe3\x81\x84\xe3\x81\x86\xe3\x81\x88 2/3\r (no-eol) (esc)

              \r (no-eol) (esc)

test calculation of bar width, when progress topic contains multi-byte

characters, of which length of byte sequence and columns in display

are different from each other.

  $ cat >> $HGRCPATH <<EOF

  > [progress]

  > format = topic bar

  > width= 21

  > # progwidth should be 9 (= 21 - (8+1) - 3)

  > EOF

  $ hg --encoding utf-8 -y loop --total 3 3

  \r (no-eol) (esc)

  \xe3\x81\x82\xe3\x81\x84\xe3\x81\x86\xe3\x81\x88 [         ]\r (no-eol) (esc)

  \xe3\x81\x82\xe3\x81\x84\xe3\x81\x86\xe3\x81\x88 [==>      ]\r (no-eol) (esc)

  \xe3\x81\x82\xe3\x81\x84\xe3\x81\x86\xe3\x81\x88 [=====>   ]\r (no-eol) (esc)

                       \r (no-eol) (esc)

test trimming progress items, when they contain multi-byte characters,

of which length of byte sequence and columns in display are different

from each other.

  $ rm -f loop.pyc

  $ cat >> loop.py <<EOF

  > # use non-ascii characters as loop items of progress

  > loopitems = [

  >     u'\u3042\u3044'.encode('utf-8'), # 2 x 2 = 4 columns

  >     u'\u3042\u3044\u3046'.encode('utf-8'), # 2 x 3 = 6 columns

  >     u'\u3042\u3044\u3046\u3048'.encode('utf-8'), # 2 x 4 = 8 columns

  > ]

  > def getloopitem(i):

  >     return loopitems[i % len(loopitems)]

  > EOF

  $ cat >> $HGRCPATH <<EOF

  > [progress]

  > # trim at tail side

  > format = item+6

  > EOF

  $ hg --encoding utf-8 -y loop --total 3 3

  \r (no-eol) (esc)

  \xe3\x81\x82\xe3\x81\x84  \r (no-eol) (esc)

  \xe3\x81\x82\xe3\x81\x84\xe3\x81\x86\r (no-eol) (esc)

  \xe3\x81\x82\xe3\x81\x84\xe3\x81\x86\r (no-eol) (esc)

                       \r (no-eol) (esc)

  $ cat >> $HGRCPATH <<EOF

  > [progress]

  > # trim at left side

  > format = item-6

  > EOF

  $ hg --encoding utf-8 -y loop --total 3 3

  \r (no-eol) (esc)

  \xe3\x81\x82\xe3\x81\x84  \r (no-eol) (esc)

  \xe3\x81\x82\xe3\x81\x84\xe3\x81\x86\r (no-eol) (esc)