Mercurial > hgsubversion

annotate tests/test_util.py @ 715:c33293a34752

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requiresoption: clean up docstring
author Augie Fackler <durin42@gmail.com>
date Sat, 02 Oct 2010 16:44:17 -0500
parents cfc7df19e4dc
children 38ebf7714cdf
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 cmdutil
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19 from mercurial import commands
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20 from mercurial import context
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21 from mercurial import dispatch
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22 from mercurial import hg
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23 from mercurial import i18n
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24 from mercurial import node
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25 from mercurial import ui
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26 from mercurial import extensions
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27
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28 from hgsubversion import util
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29
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30 # Documentation for Subprocess.Popen() says:
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31 # "Note that on Windows, you cannot set close_fds to true and
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32 # also redirect the standard handles by setting stdin, stdout or
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33 # stderr."
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34 canCloseFds='win32' not in sys.platform
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35
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36 if not 'win32' in sys.platform:
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37 def kill_process(popen_obj):
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38 os.kill(popen_obj.pid, 9)
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39 else:
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40 import ctypes
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41 from ctypes.wintypes import BOOL, DWORD, HANDLE, UINT
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42
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43 def win_status_check(result, func, args):
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44 if result == 0:
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45 raise ctypes.WinError()
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46 return args
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47
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48 def WINAPI(returns, func, *params):
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49 assert len(params) % 2 == 0
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50
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51 func.argtypes = tuple(params[0::2])
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52 func.resvalue = returns
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53 func.errcheck = win_status_check
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54
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55 return func
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56
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57 # dwDesiredAccess
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58 PROCESS_TERMINATE = 0x0001
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59
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60 OpenProcess = WINAPI(HANDLE, ctypes.windll.kernel32.OpenProcess,
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61 DWORD, 'dwDesiredAccess',
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62 BOOL, 'bInheritHandle',
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63 DWORD, 'dwProcessId',
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64 )
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66 CloseHandle = WINAPI(BOOL, ctypes.windll.kernel32.CloseHandle,
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67 HANDLE, 'hObject'
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68 )
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70 TerminateProcess = WINAPI(BOOL, ctypes.windll.kernel32.TerminateProcess,
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71 HANDLE, 'hProcess',
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72 UINT, 'uExitCode'
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73 )
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74
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75 def kill_process(popen_obj):
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76 phnd = OpenProcess(PROCESS_TERMINATE, False, popen_obj.pid)
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77 TerminateProcess(phnd, 1)
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78 CloseHandle(phnd)
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79
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80 # Fixtures that need to be pulled at a subdirectory of the repo path
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81 subdir = {'truncatedhistory.svndump': '/project2',
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82 'fetch_missing_files_subdir.svndump': '/foo',
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83 'empty_dir_in_trunk_not_repo_root.svndump': '/project',
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84 'project_root_not_repo_root.svndump': '/dummyproj',
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85 'project_name_with_space.svndump': '/project name',
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86 }
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87
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88 FIXTURES = os.path.join(os.path.abspath(os.path.dirname(__file__)),
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89 'fixtures')
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90
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91 def requiresoption(option):
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92 '''Skip a test if commands.clone does not take the specified option.'''
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93 def decorator(fn):
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94 for entry in cmdutil.findcmd('clone', commands.table)[1][1]:
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95 if entry[1] == option:
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96 return fn
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97 if not isinstance(option, str):
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98 raise TypeError('requiresoption takes a string argument')
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99 return decorator
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100
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101 def filtermanifest(manifest):
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102 return filter(lambda x: x not in ('.hgtags', '.hgsvnexternals', ),
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103 manifest)
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104
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105 def fileurl(path):
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106 path = os.path.abspath(path).replace(os.sep, '/')
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107 drive, path = os.path.splitdrive(path)
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108 if drive:
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109 drive = '/' + drive
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110 url = 'file://%s%s' % (drive, path)
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111 return url
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112
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113 def testui(stupid=False, layout='auto', startrev=0):
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114 u = ui.ui()
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115 bools = {True: 'true', False: 'false'}
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116 u.setconfig('ui', 'quiet', bools[True])
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117 u.setconfig('extensions', 'hgsubversion', '')
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118 u.setconfig('hgsubversion', 'stupid', bools[stupid])
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119 u.setconfig('hgsubversion', 'layout', layout)
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120 u.setconfig('hgsubversion', 'startrev', startrev)
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121 return u
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122
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123 def load_svndump_fixture(path, fixture_name):
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124 '''Loads an svnadmin dump into a fresh repo at path, which should not
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125 already exist.
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126 '''
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127 if os.path.exists(path): rmtree(path)
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128 subprocess.call(['svnadmin', 'create', path,],
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129 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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130 inp = open(os.path.join(FIXTURES, fixture_name))
331
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131 proc = subprocess.Popen(['svnadmin', 'load', path,], stdin=inp,
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132 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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133 proc.communicate()
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134
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135 def load_fixture_and_fetch(fixture_name, repo_path, wc_path, stupid=False,
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136 subdir='', noupdate=True, layout='auto',
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137 startrev=0):
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138 load_svndump_fixture(repo_path, fixture_name)
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139 if subdir:
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140 repo_path += '/' + subdir
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141
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142 cmd = [
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143 'clone',
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144 '--layout=%s' % layout,
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145 '--startrev=%s' % startrev,
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146 fileurl(repo_path),
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147 wc_path,
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148 ]
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149 if stupid:
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150 cmd.append('--stupid')
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151 if noupdate:
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152 cmd.append('--noupdate')
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153
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154 dispatch.dispatch(cmd)
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155
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156 return hg.repository(testui(), wc_path)
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157
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158 def rmtree(path):
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159 # Read-only files cannot be removed under Windows
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160 for root, dirs, files in os.walk(path):
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161 for f in files:
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162 f = os.path.join(root, f)
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163 try:
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164 s = os.stat(f)
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165 except OSError, e:
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166 if e.errno == errno.ENOENT:
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167 continue
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168 raise
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169 if (s.st_mode & stat.S_IWRITE) == 0:
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170 os.chmod(f, s.st_mode | stat.S_IWRITE)
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171 shutil.rmtree(path)
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172
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173 def _verify_our_modules():
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174 '''
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175 Verify that hgsubversion was imported from the correct location.
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176
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177 The correct location is any location within the parent directory of the
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178 directory containing this file.
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179 '''
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180
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181 for modname, module in sys.modules.iteritems():
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182 if not module or not modname.startswith('hgsubversion.'):
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183 continue
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184
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185 modloc = module.__file__
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186 cp = os.path.commonprefix((os.path.abspath(__file__), modloc))
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187 assert cp.rstrip(os.sep) == _rootdir, (
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188 'Module location verification failed: hgsubversion was imported '
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189 'from the wrong path!'
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190 )
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191
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192 class TestBase(unittest.TestCase):
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193 def setUp(self):
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194 _verify_our_modules()
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195
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196 self.oldenv = dict([(k, os.environ.get(k, None), ) for k in
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197 ('LANG', 'LC_ALL', 'HGRCPATH', )])
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198 self.oldt = i18n.t
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199 os.environ['LANG'] = os.environ['LC_ALL'] = 'C'
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200 i18n.t = gettext.translation('hg', i18n.localedir, fallback=True)
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201
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202 self.oldwd = os.getcwd()
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203 self.tmpdir = tempfile.mkdtemp(
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204 'svnwrap_test', dir=os.environ.get('HGSUBVERSION_TEST_TEMP', None))
231
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205 self.hgrc = os.path.join(self.tmpdir, '.hgrc')
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206 os.environ['HGRCPATH'] = self.hgrc
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207 rc = open(self.hgrc, 'w')
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208 for l in '[extensions]', 'hgsubversion=':
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209 print >> rc, l
148
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210
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211 self.repo_path = '%s/testrepo' % self.tmpdir
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212 self.wc_path = '%s/testrepo_wc' % self.tmpdir
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213 self.svn_wc = None
331
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214
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215 # Previously, we had a MockUI class that wrapped ui, and giving access
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216 # to the stream. The ui.pushbuffer() and ui.popbuffer() can be used
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217 # instead. Using the regular UI class, with all stderr redirected to
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218 # stdout ensures that the test setup is much more similar to usage
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219 # setups.
334
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220 self.patch = (ui.ui.write_err, ui.ui.write)
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221 setattr(ui.ui, self.patch[0].func_name, self.patch[1])
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222
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223 def tearDown(self):
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224 for var, val in self.oldenv.iteritems():
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225 if val is None:
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226 del os.environ[var]
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227 else:
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228 os.environ[var] = val
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229 i18n.t = self.oldt
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230 rmtree(self.tmpdir)
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231 os.chdir(self.oldwd)
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232 setattr(ui.ui, self.patch[0].func_name, self.patch[0])
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233
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234 _verify_our_modules()
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235
548
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236 def assertStringEqual(self, l, r):
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237 try:
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238 self.assertEqual(l, r, 'failed string equality check, see stdout for details')
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diff changeset
239 except:
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240 add_nl = lambda li: map(lambda x: x+'\n', li)
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241 print 'failed expectation:'
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242 print ''.join(difflib.unified_diff(
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243 add_nl(l.splitlines()), add_nl(r.splitlines()),
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244 fromfile='expected', tofile='got'))
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diff changeset
245 raise
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246
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247 def ui(self, stupid=False, layout='auto'):
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248 return testui(stupid, layout)
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249
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250 def _load_fixture_and_fetch(self, fixture_name, subdir=None, stupid=False,
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251 layout='auto', startrev=0):
499
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252 if layout == 'single':
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253 if subdir is None:
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254 subdir = 'trunk'
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255 elif subdir is None:
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256 subdir = ''
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257 return load_fixture_and_fetch(fixture_name, self.repo_path,
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258 self.wc_path, subdir=subdir,
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diff changeset
259 stupid=stupid, layout=layout,
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diff changeset
260 startrev=startrev)
138
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diff changeset
261
689
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262 def _add_svn_rev(self, changes):
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263 '''changes is a dict of filename -> contents'''
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264 if self.svn_wc is None:
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265 self.svn_wc = os.path.join(self.tmpdir, 'testsvn_wc')
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266 subprocess.call([
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267 'svn', 'co', '-q', fileurl(self.repo_path),
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268 self.svn_wc
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269 ],
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diff changeset
270 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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271
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272 for filename, contents in changes.iteritems():
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273 # filenames are / separated
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274 filename = filename.replace('/', os.path.sep)
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275 filename = os.path.join(self.svn_wc, filename)
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276 open(filename, 'w').write(contents)
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277 # may be redundant
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278 subprocess.call(['svn', 'add', '-q', filename],
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279 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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280 subprocess.call([
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281 'svn', 'commit', '-q', self.svn_wc, '-m', 'test changes'],
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282 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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283
82
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284 # define this as a property so that it reloads anytime we need it
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285 @property
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286 def repo(self):
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287 return hg.repository(testui(), self.wc_path)
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288
355
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289 def pushrevisions(self, stupid=False, expected_extra_back=0):
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290 before = len(self.repo)
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291 self.repo.ui.setconfig('hgsubversion', 'stupid', str(stupid))
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292 res = commands.push(self.repo.ui, self.repo)
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293 after = len(self.repo)
355
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294 self.assertEqual(expected_extra_back, after - before)
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295 return res
83
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296
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297 def svnls(self, path, rev='HEAD'):
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298 path = self.repo_path + '/' + path
333
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299 path = util.normalize_url(fileurl(path))
83
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300 args = ['svn', 'ls', '-r', rev, '-R', path]
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301 p = subprocess.Popen(args,
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302 stdout=subprocess.PIPE,
331
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303 stderr=subprocess.STDOUT)
83
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diff changeset
304 stdout, stderr = p.communicate()
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diff changeset
305 if p.returncode:
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306 raise Exception('svn ls failed on %s: %r' % (path, stderr))
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307 entries = [e.strip('/') for e in stdout.splitlines()]
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diff changeset
308 entries.sort()
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diff changeset
309 return entries
84
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310
355
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diff changeset
311 def commitchanges(self, changes, parent='tip', message='automated test'):
84
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312 """Commit changes to mercurial directory
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313
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diff changeset
314 'changes' is a sequence of tuples (source, dest, data). It can look
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diff changeset
315 like:
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diff changeset
316 - (source, source, data) to set source content to data
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317 - (source, dest, None) to set dest content to source one, and mark it as
84
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diff changeset
318 copied from source.
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diff changeset
319 - (source, dest, data) to set dest content to data, and mark it as copied
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diff changeset
320 from source.
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321 - (source, None, None) to remove source.
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diff changeset
322 """
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diff changeset
323 repo = self.repo
277
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diff changeset
324 parentctx = repo[parent]
84
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diff changeset
325
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diff changeset
326 changed, removed = [], []
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diff changeset
327 for source, dest, newdata in changes:
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diff changeset
328 if dest is None:
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diff changeset
329 removed.append(source)
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diff changeset
330 else:
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diff changeset
331 changed.append(dest)
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diff changeset
332
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diff changeset
333 def filectxfn(repo, memctx, path):
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diff changeset
334 if path in removed:
531
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diff changeset
335 raise IOError(errno.ENOENT,
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diff changeset
336 "File \"%s\" no longer exists" % path)
84
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diff changeset
337 entry = [e for e in changes if path == e[1]][0]
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diff changeset
338 source, dest, newdata = entry
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diff changeset
339 if newdata is None:
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diff changeset
340 newdata = parentctx[source].data()
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diff changeset
341 copied = None
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diff changeset
342 if source != dest:
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diff changeset
343 copied = source
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diff changeset
344 return context.memfilectx(path=dest,
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diff changeset
345 data=newdata,
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346 islink=False,
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diff changeset
347 isexec=False,
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diff changeset
348 copied=copied)
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diff changeset
349
84
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diff changeset
350 ctx = context.memctx(repo,
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diff changeset
351 (parentctx.node(), node.nullid),
355
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diff changeset
352 message,
84
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diff changeset
353 changed + removed,
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diff changeset
354 filectxfn,
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diff changeset
355 'an_author',
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diff changeset
356 '2008-10-07 20:59:48 -0500')
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diff changeset
357 nodeid = repo.commitctx(ctx)
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diff changeset
358 repo = self.repo
277
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diff changeset
359 hg.clean(repo, nodeid)
84
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diff changeset
360 return nodeid
96
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diff changeset
361
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diff changeset
362 def assertchanges(self, changes, ctx):
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diff changeset
363 """Assert that all 'changes' (as in defined in commitchanged())
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diff changeset
364 went into ctx.
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diff changeset
365 """
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diff changeset
366 for source, dest, data in changes:
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diff changeset
367 if dest is None:
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368 self.assertTrue(source not in ctx)
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diff changeset
369 continue
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diff changeset
370 self.assertTrue(dest in ctx)
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diff changeset
371 if data is None:
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diff changeset
372 data = ctx.parents()[0][source].data()
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diff changeset
373 self.assertEqual(ctx[dest].data(), data)
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diff changeset
374 if dest != source:
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diff changeset
375 copy = ctx[dest].renamed()
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diff changeset
376 self.assertEqual(copy[0], source)
527
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diff changeset
377
621
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diff changeset
378 def assertMultiLineEqual(self, first, second, msg=None):
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diff changeset
379 """Assert that two multi-line strings are equal. (Based on Py3k code.)
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diff changeset
380 """
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diff changeset
381 self.assert_(isinstance(first, str),
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diff changeset
382 ('First argument is not a string'))
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parents: 576
diff changeset
383 self.assert_(isinstance(second, str),
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parents: 576
diff changeset
384 ('Second argument is not a string'))
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parents: 576
diff changeset
385
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diff changeset
386 if first != second:
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387 diff = ''.join(difflib.unified_diff(first.splitlines(True),
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388 second.splitlines(True),
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389 fromfile='a',
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390 tofile='b'))
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391 msg = '%s\n%s' % (msg or '', diff)
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392 raise self.failureException, msg
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393
527
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394 def draw(self, repo):
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395 """Helper function displaying a repository graph, especially
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396 useful when debugging comprehensive tests.
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397 """
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398 # Could be more elegant, but it works with stock hg
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399 _ui = ui.ui()
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400 _ui.setconfig('extensions', 'graphlog', '')
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401 extensions.loadall(_ui)
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402 graphlog = extensions.find('graphlog')
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403 templ = """\
2be9f14bd23f test_util: add helper to draw repo with graphlog extension
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404 changeset: {rev}:{node|short}
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405 branch: {branches}
546
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406 tags: {tags}
527
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407 summary: {desc|firstline}
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408 files: {files}
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409
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Patrick Mezard <pmezard@gmail.com>
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410 """
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411 graphlog.graphlog(_ui, repo, rev=None, template=templ)