Mercurial > hgsubversion

annotate tests/test_util.py @ 703:ccac5ac68e71

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subversion.rst: list memory leaks in the section on limitations
author Dan Villiom Podlaski Christiansen <danchr@gmail.com>
date Tue, 07 Sep 2010 14:33:56 +0200
parents c11bf0dd38d3
children 1f1a3a6730c1
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1 import StringIO
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2 import difflib
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3 import errno
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4 import gettext
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5 import imp
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6 import os
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7 import shutil
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8 import stat
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9 import subprocess
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10 import sys
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11 import tempfile
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12 import unittest
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13 import urllib
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14
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15 _rootdir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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16 sys.path.insert(0, _rootdir)
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17
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18 from mercurial import commands
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19 from mercurial import context
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20 from mercurial import hg
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21 from mercurial import i18n
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22 from mercurial import node
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23 from mercurial import ui
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24 from mercurial import extensions
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25
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26 from hgsubversion import util
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27
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28 # Documentation for Subprocess.Popen() says:
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29 # "Note that on Windows, you cannot set close_fds to true and
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30 # also redirect the standard handles by setting stdin, stdout or
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31 # stderr."
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32 canCloseFds='win32' not in sys.platform
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33
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34 if not 'win32' in sys.platform:
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35 def kill_process(popen_obj):
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36 os.kill(popen_obj.pid, 9)
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37 else:
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38 import ctypes
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39 from ctypes.wintypes import BOOL, DWORD, HANDLE, UINT
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40
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41 def win_status_check(result, func, args):
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42 if result == 0:
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43 raise ctypes.WinError()
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44 return args
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45
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46 def WINAPI(returns, func, *params):
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47 assert len(params) % 2 == 0
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48
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49 func.argtypes = tuple(params[0::2])
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50 func.resvalue = returns
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51 func.errcheck = win_status_check
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52
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53 return func
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54
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55 # dwDesiredAccess
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56 PROCESS_TERMINATE = 0x0001
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57
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58 OpenProcess = WINAPI(HANDLE, ctypes.windll.kernel32.OpenProcess,
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59 DWORD, 'dwDesiredAccess',
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60 BOOL, 'bInheritHandle',
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61 DWORD, 'dwProcessId',
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62 )
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64 CloseHandle = WINAPI(BOOL, ctypes.windll.kernel32.CloseHandle,
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65 HANDLE, 'hObject'
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66 )
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68 TerminateProcess = WINAPI(BOOL, ctypes.windll.kernel32.TerminateProcess,
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69 HANDLE, 'hProcess',
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70 UINT, 'uExitCode'
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71 )
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73 def kill_process(popen_obj):
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74 phnd = OpenProcess(PROCESS_TERMINATE, False, popen_obj.pid)
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75 TerminateProcess(phnd, 1)
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76 CloseHandle(phnd)
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77
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78 # Fixtures that need to be pulled at a subdirectory of the repo path
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79 subdir = {'truncatedhistory.svndump': '/project2',
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80 'fetch_missing_files_subdir.svndump': '/foo',
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81 'empty_dir_in_trunk_not_repo_root.svndump': '/project',
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82 'project_root_not_repo_root.svndump': '/dummyproj',
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83 'project_name_with_space.svndump': '/project name',
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84 }
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85
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86 FIXTURES = os.path.join(os.path.abspath(os.path.dirname(__file__)),
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87 'fixtures')
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88
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89 def filtermanifest(manifest):
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90 return filter(lambda x: x not in ('.hgtags', '.hgsvnexternals', ),
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91 manifest)
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92
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93 def fileurl(path):
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94 path = os.path.abspath(path).replace(os.sep, '/')
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95 drive, path = os.path.splitdrive(path)
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96 if drive:
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97 drive = '/' + drive
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98 url = 'file://%s%s' % (drive, path)
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99 return url
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100
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101 def testui(stupid=False, layout='auto', startrev=0):
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102 u = ui.ui()
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103 bools = {True: 'true', False: 'false'}
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104 u.setconfig('ui', 'quiet', bools[True])
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105 u.setconfig('extensions', 'hgsubversion', '')
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106 u.setconfig('hgsubversion', 'stupid', bools[stupid])
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107 u.setconfig('hgsubversion', 'layout', layout)
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108 u.setconfig('hgsubversion', 'startrev', startrev)
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109 return u
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110
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111 def load_svndump_fixture(path, fixture_name):
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112 '''Loads an svnadmin dump into a fresh repo at path, which should not
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113 already exist.
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114 '''
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115 if os.path.exists(path): rmtree(path)
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116 subprocess.call(['svnadmin', 'create', path,],
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117 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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118 inp = open(os.path.join(FIXTURES, fixture_name))
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119 proc = subprocess.Popen(['svnadmin', 'load', path,], stdin=inp,
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120 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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121 proc.communicate()
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122
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123 def load_fixture_and_fetch(fixture_name, repo_path, wc_path, stupid=False,
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124 subdir='', noupdate=True, layout='auto',
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125 startrev=0):
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126 load_svndump_fixture(repo_path, fixture_name)
112
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127 if subdir:
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128 repo_path += '/' + subdir
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129 _ui = testui(stupid=stupid, layout=layout, startrev=startrev)
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130 commands.clone(_ui, fileurl(repo_path), wc_path, noupdate=noupdate)
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131 return hg.repository(testui(), wc_path)
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132
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133 def rmtree(path):
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134 # Read-only files cannot be removed under Windows
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135 for root, dirs, files in os.walk(path):
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136 for f in files:
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137 f = os.path.join(root, f)
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138 try:
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139 s = os.stat(f)
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140 except OSError, e:
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141 if e.errno == errno.ENOENT:
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142 continue
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143 raise
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144 if (s.st_mode & stat.S_IWRITE) == 0:
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145 os.chmod(f, s.st_mode | stat.S_IWRITE)
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146 shutil.rmtree(path)
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147
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148 def _verify_our_modules():
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149 '''
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150 Verify that hgsubversion was imported from the correct location.
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151
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152 The correct location is any location within the parent directory of the
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153 directory containing this file.
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154 '''
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155
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156 for modname, module in sys.modules.iteritems():
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157 if not module or not modname.startswith('hgsubversion.'):
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158 continue
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159
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160 modloc = module.__file__
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161 cp = os.path.commonprefix((os.path.abspath(__file__), modloc))
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162 assert cp.rstrip(os.sep) == _rootdir, (
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163 'Module location verification failed: hgsubversion was imported '
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164 'from the wrong path!'
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165 )
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166
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167 class TestBase(unittest.TestCase):
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168 def setUp(self):
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169 _verify_our_modules()
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170
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171 self.oldenv = dict([(k, os.environ.get(k, None), ) for k in
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172 ('LANG', 'LC_ALL', 'HGRCPATH', )])
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173 self.oldt = i18n.t
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174 os.environ['LANG'] = os.environ['LC_ALL'] = 'C'
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175 i18n.t = gettext.translation('hg', i18n.localedir, fallback=True)
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176
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177 self.oldwd = os.getcwd()
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178 self.tmpdir = tempfile.mkdtemp(
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179 'svnwrap_test', dir=os.environ.get('HGSUBVERSION_TEST_TEMP', None))
231
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180 self.hgrc = os.path.join(self.tmpdir, '.hgrc')
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181 os.environ['HGRCPATH'] = self.hgrc
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182 rc = open(self.hgrc, 'w')
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183 for l in '[extensions]', 'hgsubversion=':
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184 print >> rc, l
148
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185
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186 self.repo_path = '%s/testrepo' % self.tmpdir
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187 self.wc_path = '%s/testrepo_wc' % self.tmpdir
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188 self.svn_wc = None
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189
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190 # Previously, we had a MockUI class that wrapped ui, and giving access
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191 # to the stream. The ui.pushbuffer() and ui.popbuffer() can be used
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192 # instead. Using the regular UI class, with all stderr redirected to
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193 # stdout ensures that the test setup is much more similar to usage
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194 # setups.
334
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195 self.patch = (ui.ui.write_err, ui.ui.write)
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196 setattr(ui.ui, self.patch[0].func_name, self.patch[1])
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197
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198 def tearDown(self):
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199 for var, val in self.oldenv.iteritems():
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200 if val is None:
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201 del os.environ[var]
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202 else:
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203 os.environ[var] = val
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204 i18n.t = self.oldt
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205 rmtree(self.tmpdir)
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206 os.chdir(self.oldwd)
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207 setattr(ui.ui, self.patch[0].func_name, self.patch[0])
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208
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209 _verify_our_modules()
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210
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211 def assertStringEqual(self, l, r):
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212 try:
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213 self.assertEqual(l, r, 'failed string equality check, see stdout for details')
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214 except:
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215 add_nl = lambda li: map(lambda x: x+'\n', li)
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216 print 'failed expectation:'
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217 print ''.join(difflib.unified_diff(
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218 add_nl(l.splitlines()), add_nl(r.splitlines()),
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219 fromfile='expected', tofile='got'))
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220 raise
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221
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222 def ui(self, stupid=False, layout='auto'):
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223 return testui(stupid, layout)
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224
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225 def _load_fixture_and_fetch(self, fixture_name, subdir=None, stupid=False,
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226 layout='auto', startrev=0):
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227 if layout == 'single':
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228 if subdir is None:
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229 subdir = 'trunk'
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230 elif subdir is None:
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231 subdir = ''
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232 return load_fixture_and_fetch(fixture_name, self.repo_path,
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233 self.wc_path, subdir=subdir,
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234 stupid=stupid, layout=layout,
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235 startrev=startrev)
138
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diff changeset
236
689
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237 def _add_svn_rev(self, changes):
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238 '''changes is a dict of filename -> contents'''
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239 if self.svn_wc is None:
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240 self.svn_wc = os.path.join(self.tmpdir, 'testsvn_wc')
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241 subprocess.call([
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242 'svn', 'co', '-q', fileurl(self.repo_path),
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243 self.svn_wc
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244 ],
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245 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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246
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247 for filename, contents in changes.iteritems():
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248 # filenames are / separated
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249 filename = filename.replace('/', os.path.sep)
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250 filename = os.path.join(self.svn_wc, filename)
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251 open(filename, 'w').write(contents)
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252 # may be redundant
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253 subprocess.call(['svn', 'add', '-q', filename],
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254 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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255 subprocess.call([
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256 'svn', 'commit', '-q', self.svn_wc, '-m', 'test changes'],
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257 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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258
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259 # define this as a property so that it reloads anytime we need it
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260 @property
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261 def repo(self):
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262 return hg.repository(testui(), self.wc_path)
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263
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264 def pushrevisions(self, stupid=False, expected_extra_back=0):
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265 before = len(self.repo)
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266 self.repo.ui.setconfig('hgsubversion', 'stupid', str(stupid))
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267 res = commands.push(self.repo.ui, self.repo)
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268 after = len(self.repo)
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269 self.assertEqual(expected_extra_back, after - before)
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270 return res
83
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271
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272 def svnls(self, path, rev='HEAD'):
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273 path = self.repo_path + '/' + path
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274 path = util.normalize_url(fileurl(path))
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275 args = ['svn', 'ls', '-r', rev, '-R', path]
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276 p = subprocess.Popen(args,
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277 stdout=subprocess.PIPE,
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278 stderr=subprocess.STDOUT)
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279 stdout, stderr = p.communicate()
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280 if p.returncode:
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281 raise Exception('svn ls failed on %s: %r' % (path, stderr))
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282 entries = [e.strip('/') for e in stdout.splitlines()]
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283 entries.sort()
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284 return entries
84
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285
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286 def commitchanges(self, changes, parent='tip', message='automated test'):
84
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287 """Commit changes to mercurial directory
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288
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289 'changes' is a sequence of tuples (source, dest, data). It can look
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290 like:
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291 - (source, source, data) to set source content to data
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292 - (source, dest, None) to set dest content to source one, and mark it as
84
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293 copied from source.
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294 - (source, dest, data) to set dest content to data, and mark it as copied
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295 from source.
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296 - (source, None, None) to remove source.
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297 """
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298 repo = self.repo
277
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299 parentctx = repo[parent]
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300
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301 changed, removed = [], []
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302 for source, dest, newdata in changes:
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303 if dest is None:
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304 removed.append(source)
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305 else:
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306 changed.append(dest)
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307
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308 def filectxfn(repo, memctx, path):
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309 if path in removed:
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310 raise IOError(errno.ENOENT,
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311 "File \"%s\" no longer exists" % path)
84
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312 entry = [e for e in changes if path == e[1]][0]
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diff changeset
313 source, dest, newdata = entry
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314 if newdata is None:
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315 newdata = parentctx[source].data()
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316 copied = None
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317 if source != dest:
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318 copied = source
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319 return context.memfilectx(path=dest,
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320 data=newdata,
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321 islink=False,
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322 isexec=False,
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323 copied=copied)
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324
84
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325 ctx = context.memctx(repo,
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326 (parentctx.node(), node.nullid),
355
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diff changeset
327 message,
84
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328 changed + removed,
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329 filectxfn,
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330 'an_author',
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diff changeset
331 '2008-10-07 20:59:48 -0500')
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diff changeset
332 nodeid = repo.commitctx(ctx)
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333 repo = self.repo
277
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diff changeset
334 hg.clean(repo, nodeid)
84
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335 return nodeid
96
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diff changeset
336
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337 def assertchanges(self, changes, ctx):
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338 """Assert that all 'changes' (as in defined in commitchanged())
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diff changeset
339 went into ctx.
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340 """
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341 for source, dest, data in changes:
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diff changeset
342 if dest is None:
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343 self.assertTrue(source not in ctx)
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344 continue
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345 self.assertTrue(dest in ctx)
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diff changeset
346 if data is None:
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347 data = ctx.parents()[0][source].data()
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diff changeset
348 self.assertEqual(ctx[dest].data(), data)
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349 if dest != source:
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350 copy = ctx[dest].renamed()
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diff changeset
351 self.assertEqual(copy[0], source)
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352
621
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diff changeset
353 def assertMultiLineEqual(self, first, second, msg=None):
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354 """Assert that two multi-line strings are equal. (Based on Py3k code.)
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diff changeset
355 """
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diff changeset
356 self.assert_(isinstance(first, str),
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357 ('First argument is not a string'))
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diff changeset
358 self.assert_(isinstance(second, str),
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diff changeset
359 ('Second argument is not a string'))
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diff changeset
360
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diff changeset
361 if first != second:
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diff changeset
362 diff = ''.join(difflib.unified_diff(first.splitlines(True),
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diff changeset
363 second.splitlines(True),
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diff changeset
364 fromfile='a',
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diff changeset
365 tofile='b'))
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366 msg = '%s\n%s' % (msg or '', diff)
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367 raise self.failureException, msg
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368
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369 def draw(self, repo):
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370 """Helper function displaying a repository graph, especially
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diff changeset
371 useful when debugging comprehensive tests.
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372 """
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373 # Could be more elegant, but it works with stock hg
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374 _ui = ui.ui()
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375 _ui.setconfig('extensions', 'graphlog', '')
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376 extensions.loadall(_ui)
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377 graphlog = extensions.find('graphlog')
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378 templ = """\
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379 changeset: {rev}:{node|short}
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380 branch: {branches}
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381 tags: {tags}
527
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diff changeset
382 summary: {desc|firstline}
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diff changeset
383 files: {files}
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384
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385 """
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diff changeset
386 graphlog.graphlog(_ui, repo, rev=None, template=templ)