Mercurial > hg
annotate hgext/show.py @ 31906:ae734bd02630
obsolescence: add test case A-1 for obsolescence markers exchange
About 3 years ago, in August 2014, the logic to select what markers to select on
push was ported from the evolve extension to Mercurial core. However, for some
unclear reasons, the tests for that logic were not ported alongside.
I realised it a couple of weeks ago while working on another push related issue.
I've made a clean up pass on the tests and they are now ready to integrate the
core test suite. This series of changesets do not change any logic. I just adds
test for logic that has been around for about 10 versions of Mercurial.
They are a patch for each test case. It makes it easier to review and postpone
one with documentation issues without rejecting the wholes series.
This patch introduce case A-1: pushing a single head
Each test case comes it in own test file. It help parallelism and does not
introduce a significant overhead from having a single unified giant test file.
Here are timing to support this claim.
# Multiple test files version:
# run-tests.py --local -j 1 test-exchange-*.t
53.40s user 6.82s system 85% cpu 1:10.76 total
52.79s user 6.97s system 85% cpu 1:09.97 total
52.94s user 6.82s system 85% cpu 1:09.69 total
# Single test file version:
# run-tests.py --local -j 1 test-exchange-obsmarkers.t
52.97s user 6.85s system 85% cpu 1:10.10 total
52.64s user 6.79s system 85% cpu 1:09.63 total
53.70s user 7.00s system 85% cpu 1:11.17 total
author | Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
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date | Mon, 10 Apr 2017 16:41:21 +0200 |
parents | 8e282aa3c3ff |
children | 3e9f118cc834 |
rev | line source |
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1 # show.py - Extension implementing `hg show` |
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2 # |
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3 # Copyright 2017 Gregory Szorc <gregory.szorc@gmail.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # GNU General Public License version 2 or any later version. |
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7 |
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8 """unified command to show various repository information (EXPERIMENTAL) |
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9 |
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10 This extension provides the :hg:`show` command, which provides a central |
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11 command for displaying commonly-accessed repository data and views of that |
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12 data. |
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13 """ |
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14 |
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15 from __future__ import absolute_import |
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16 |
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17 from mercurial.i18n import _ |
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18 from mercurial import ( |
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19 cmdutil, |
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20 commands, |
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21 error, |
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22 formatter, |
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23 pycompat, |
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24 registrar, |
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25 ) |
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26 |
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27 # Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for |
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28 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should |
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29 # be specifying the version(s) of Mercurial they are tested with, or |
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30 # leave the attribute unspecified. |
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31 testedwith = 'ships-with-hg-core' |
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32 |
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33 cmdtable = {} |
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34 command = cmdutil.command(cmdtable) |
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35 |
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36 class showcmdfunc(registrar._funcregistrarbase): |
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37 """Register a function to be invoked for an `hg show <thing>`.""" |
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38 |
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39 # Used by _formatdoc(). |
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40 _docformat = '%s -- %s' |
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41 |
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42 def _extrasetup(self, name, func, fmtopic=None): |
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43 """Called with decorator arguments to register a show view. |
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44 |
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45 ``name`` is the sub-command name. |
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46 |
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47 ``func`` is the function being decorated. |
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48 |
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49 ``fmtopic`` is the topic in the style that will be rendered for |
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50 this view. |
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51 """ |
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52 func._fmtopic = fmtopic |
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53 |
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54 showview = showcmdfunc() |
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55 |
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56 @command('show', commands.formatteropts, _('VIEW')) |
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57 def show(ui, repo, view=None, template=None): |
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58 """show various repository information |
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59 |
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60 A requested view of repository data is displayed. |
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61 |
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62 If no view is requested, the list of available views is shown and the |
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63 command aborts. |
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64 |
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65 .. note:: |
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66 |
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67 There are no backwards compatibility guarantees for the output of this |
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68 command. Output may change in any future Mercurial release. |
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69 |
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70 Consumers wanting stable command output should specify a template via |
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71 ``-T/--template``. |
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72 |
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73 List of available views: |
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74 |
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75 """ |
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76 if ui.plain() and not template: |
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77 hint = _('invoke with -T/--template to control output format') |
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78 raise error.Abort(_('must specify a template in plain mode'), hint=hint) |
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79 |
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80 views = showview._table |
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81 |
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82 if not view: |
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83 ui.pager('show') |
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84 # TODO consider using formatter here so available views can be |
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85 # rendered to custom format. |
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86 ui.write(_('available views:\n')) |
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87 ui.write('\n') |
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88 |
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89 for name, func in sorted(views.items()): |
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90 ui.write(('%s\n') % func.__doc__) |
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91 |
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92 ui.write('\n') |
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93 raise error.Abort(_('no view requested'), |
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94 hint=_('use "hg show VIEW" to choose a view')) |
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95 |
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96 # TODO use same logic as dispatch to perform prefix matching. |
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97 if view not in views: |
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98 raise error.Abort(_('unknown view: %s') % view, |
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99 hint=_('run "hg show" to see available views')) |
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100 |
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101 template = template or 'show' |
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102 fmtopic = 'show%s' % views[view]._fmtopic |
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103 |
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104 ui.pager('show') |
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105 with ui.formatter(fmtopic, {'template': template}) as fm: |
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106 return views[view](ui, repo, fm) |
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107 |
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108 @showview('bookmarks', fmtopic='bookmarks') |
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109 def showbookmarks(ui, repo, fm): |
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110 """bookmarks and their associated changeset""" |
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111 marks = repo._bookmarks |
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112 if not len(marks): |
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113 # This is a bit hacky. Ideally, templates would have a way to |
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114 # specify an empty output, but we shouldn't corrupt JSON while |
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115 # waiting for this functionality. |
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116 if not isinstance(fm, formatter.jsonformatter): |
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117 ui.write(_('(no bookmarks set)\n')) |
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118 return |
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119 |
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120 active = repo._activebookmark |
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121 longestname = max(len(b) for b in marks) |
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122 # TODO consider exposing longest shortest(node). |
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123 |
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124 for bm, node in sorted(marks.items()): |
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125 fm.startitem() |
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126 fm.context(ctx=repo[node]) |
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127 fm.write('bookmark', '%s', bm) |
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128 fm.write('node', fm.hexfunc(node), fm.hexfunc(node)) |
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129 fm.data(active=bm == active, |
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130 longestbookmarklen=longestname) |
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131 |
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132 # Adjust the docstring of the show command so it shows all registered views. |
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133 # This is a bit hacky because it runs at the end of module load. When moved |
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134 # into core or when another extension wants to provide a view, we'll need |
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135 # to do this more robustly. |
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136 # TODO make this more robust. |
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137 longest = max(map(len, showview._table.keys())) |
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138 for key in sorted(showview._table.keys()): |
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139 cmdtable['show'][0].__doc__ += pycompat.sysstr(' %s %s\n' % ( |
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140 key.ljust(longest), showview._table[key]._origdoc)) |