Mercurial > hgsubversion

annotate tests/test_util.py @ 716:38ebf7714cdf

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requiresoption: raise SkipTest if available This has the unfortunate (I guess?) side effect that you can no longer use pure unittest to run skipped tests if nose or unittest2 is installed.
author Augie Fackler <durin42@gmail.com>
date Sat, 02 Oct 2010 16:44:37 -0500
parents c33293a34752
children ae5968ffe6fe
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
492
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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 try:
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29 from unittest2 import SkipTest
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30 except ImportError:
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31 try:
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32 from nose import SkipTest
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33 except ImportError:
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34 SkipTest = None
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35
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36 from hgsubversion import util
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37
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38 # Documentation for Subprocess.Popen() says:
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39 # "Note that on Windows, you cannot set close_fds to true and
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40 # also redirect the standard handles by setting stdin, stdout or
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41 # stderr."
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42 canCloseFds='win32' not in sys.platform
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43
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44 if not 'win32' in sys.platform:
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45 def kill_process(popen_obj):
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46 os.kill(popen_obj.pid, 9)
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47 else:
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48 import ctypes
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49 from ctypes.wintypes import BOOL, DWORD, HANDLE, UINT
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50
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51 def win_status_check(result, func, args):
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52 if result == 0:
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53 raise ctypes.WinError()
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54 return args
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55
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56 def WINAPI(returns, func, *params):
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57 assert len(params) % 2 == 0
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58
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59 func.argtypes = tuple(params[0::2])
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60 func.resvalue = returns
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61 func.errcheck = win_status_check
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62
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63 return func
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64
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65 # dwDesiredAccess
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66 PROCESS_TERMINATE = 0x0001
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67
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68 OpenProcess = WINAPI(HANDLE, ctypes.windll.kernel32.OpenProcess,
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69 DWORD, 'dwDesiredAccess',
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70 BOOL, 'bInheritHandle',
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71 DWORD, 'dwProcessId',
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72 )
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74 CloseHandle = WINAPI(BOOL, ctypes.windll.kernel32.CloseHandle,
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75 HANDLE, 'hObject'
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76 )
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78 TerminateProcess = WINAPI(BOOL, ctypes.windll.kernel32.TerminateProcess,
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79 HANDLE, 'hProcess',
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80 UINT, 'uExitCode'
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81 )
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82
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83 def kill_process(popen_obj):
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84 phnd = OpenProcess(PROCESS_TERMINATE, False, popen_obj.pid)
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85 TerminateProcess(phnd, 1)
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86 CloseHandle(phnd)
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87
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88 # Fixtures that need to be pulled at a subdirectory of the repo path
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89 subdir = {'truncatedhistory.svndump': '/project2',
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90 'fetch_missing_files_subdir.svndump': '/foo',
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91 'empty_dir_in_trunk_not_repo_root.svndump': '/project',
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92 'project_root_not_repo_root.svndump': '/dummyproj',
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93 'project_name_with_space.svndump': '/project name',
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94 }
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95
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96 FIXTURES = os.path.join(os.path.abspath(os.path.dirname(__file__)),
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97 'fixtures')
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98
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99 def requiresoption(option):
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100 '''Skip a test if commands.clone does not take the specified option.'''
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101 def decorator(fn):
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102 for entry in cmdutil.findcmd('clone', commands.table)[1][1]:
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103 if entry[1] == option:
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104 return fn
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105 # no match found, so skip
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106 if SkipTest:
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107 def skip(*args, **kwargs):
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108 raise SkipTest('test requires clone to accept %s' % option)
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109 skip.__name__ = fn.__name__
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110 return skip
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111 # no skipping support, so erase decorated method
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112 return
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113 if not isinstance(option, str):
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114 raise TypeError('requiresoption takes a string argument')
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115 return decorator
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116
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117 def filtermanifest(manifest):
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118 return filter(lambda x: x not in ('.hgtags', '.hgsvnexternals', ),
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119 manifest)
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120
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121 def fileurl(path):
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122 path = os.path.abspath(path).replace(os.sep, '/')
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123 drive, path = os.path.splitdrive(path)
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124 if drive:
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125 drive = '/' + drive
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126 url = 'file://%s%s' % (drive, path)
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127 return url
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128
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129 def testui(stupid=False, layout='auto', startrev=0):
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130 u = ui.ui()
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131 bools = {True: 'true', False: 'false'}
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132 u.setconfig('ui', 'quiet', bools[True])
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133 u.setconfig('extensions', 'hgsubversion', '')
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134 u.setconfig('hgsubversion', 'stupid', bools[stupid])
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135 u.setconfig('hgsubversion', 'layout', layout)
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136 u.setconfig('hgsubversion', 'startrev', startrev)
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137 return u
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138
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139 def load_svndump_fixture(path, fixture_name):
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140 '''Loads an svnadmin dump into a fresh repo at path, which should not
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141 already exist.
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142 '''
331
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143 if os.path.exists(path): rmtree(path)
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144 subprocess.call(['svnadmin', 'create', path,],
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145 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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146 inp = open(os.path.join(FIXTURES, fixture_name))
331
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147 proc = subprocess.Popen(['svnadmin', 'load', path,], stdin=inp,
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148 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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149 proc.communicate()
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150
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151 def load_fixture_and_fetch(fixture_name, repo_path, wc_path, stupid=False,
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152 subdir='', noupdate=True, layout='auto',
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153 startrev=0):
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154 load_svndump_fixture(repo_path, fixture_name)
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155 if subdir:
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156 repo_path += '/' + subdir
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157
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158 cmd = [
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159 'clone',
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160 '--layout=%s' % layout,
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161 '--startrev=%s' % startrev,
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162 fileurl(repo_path),
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163 wc_path,
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164 ]
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165 if stupid:
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166 cmd.append('--stupid')
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167 if noupdate:
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168 cmd.append('--noupdate')
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169
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170 dispatch.dispatch(cmd)
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171
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172 return hg.repository(testui(), wc_path)
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173
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174 def rmtree(path):
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175 # Read-only files cannot be removed under Windows
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176 for root, dirs, files in os.walk(path):
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177 for f in files:
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178 f = os.path.join(root, f)
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179 try:
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180 s = os.stat(f)
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181 except OSError, e:
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182 if e.errno == errno.ENOENT:
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183 continue
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184 raise
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185 if (s.st_mode & stat.S_IWRITE) == 0:
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186 os.chmod(f, s.st_mode | stat.S_IWRITE)
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187 shutil.rmtree(path)
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188
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189 def _verify_our_modules():
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190 '''
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191 Verify that hgsubversion was imported from the correct location.
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192
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193 The correct location is any location within the parent directory of the
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194 directory containing this file.
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195 '''
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196
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197 for modname, module in sys.modules.iteritems():
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198 if not module or not modname.startswith('hgsubversion.'):
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199 continue
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200
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201 modloc = module.__file__
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202 cp = os.path.commonprefix((os.path.abspath(__file__), modloc))
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203 assert cp.rstrip(os.sep) == _rootdir, (
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204 'Module location verification failed: hgsubversion was imported '
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205 'from the wrong path!'
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206 )
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207
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208 class TestBase(unittest.TestCase):
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209 def setUp(self):
645
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210 _verify_our_modules()
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211
486
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212 self.oldenv = dict([(k, os.environ.get(k, None), ) for k in
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213 ('LANG', 'LC_ALL', 'HGRCPATH', )])
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214 self.oldt = i18n.t
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215 os.environ['LANG'] = os.environ['LC_ALL'] = 'C'
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216 i18n.t = gettext.translation('hg', i18n.localedir, fallback=True)
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217
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218 self.oldwd = os.getcwd()
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219 self.tmpdir = tempfile.mkdtemp(
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220 'svnwrap_test', dir=os.environ.get('HGSUBVERSION_TEST_TEMP', None))
231
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221 self.hgrc = os.path.join(self.tmpdir, '.hgrc')
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222 os.environ['HGRCPATH'] = self.hgrc
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223 rc = open(self.hgrc, 'w')
334
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224 for l in '[extensions]', 'hgsubversion=':
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225 print >> rc, l
148
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226
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227 self.repo_path = '%s/testrepo' % self.tmpdir
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228 self.wc_path = '%s/testrepo_wc' % self.tmpdir
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229 self.svn_wc = None
331
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230
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231 # Previously, we had a MockUI class that wrapped ui, and giving access
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232 # to the stream. The ui.pushbuffer() and ui.popbuffer() can be used
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233 # instead. Using the regular UI class, with all stderr redirected to
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234 # stdout ensures that the test setup is much more similar to usage
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235 # setups.
334
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236 self.patch = (ui.ui.write_err, ui.ui.write)
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237 setattr(ui.ui, self.patch[0].func_name, self.patch[1])
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238
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239 def tearDown(self):
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240 for var, val in self.oldenv.iteritems():
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241 if val is None:
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242 del os.environ[var]
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243 else:
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244 os.environ[var] = val
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245 i18n.t = self.oldt
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246 rmtree(self.tmpdir)
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247 os.chdir(self.oldwd)
334
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248 setattr(ui.ui, self.patch[0].func_name, self.patch[0])
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249
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250 _verify_our_modules()
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251
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252 def assertStringEqual(self, l, r):
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253 try:
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254 self.assertEqual(l, r, 'failed string equality check, see stdout for details')
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255 except:
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256 add_nl = lambda li: map(lambda x: x+'\n', li)
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257 print 'failed expectation:'
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258 print ''.join(difflib.unified_diff(
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259 add_nl(l.splitlines()), add_nl(r.splitlines()),
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diff changeset
260 fromfile='expected', tofile='got'))
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diff changeset
261 raise
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diff changeset
262
576
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263 def ui(self, stupid=False, layout='auto'):
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264 return testui(stupid, layout)
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265
652
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266 def _load_fixture_and_fetch(self, fixture_name, subdir=None, stupid=False,
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267 layout='auto', startrev=0):
499
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diff changeset
268 if layout == 'single':
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269 if subdir is None:
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270 subdir = 'trunk'
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271 elif subdir is None:
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272 subdir = ''
138
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273 return load_fixture_and_fetch(fixture_name, self.repo_path,
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274 self.wc_path, subdir=subdir,
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275 stupid=stupid, layout=layout,
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276 startrev=startrev)
138
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277
689
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278 def _add_svn_rev(self, changes):
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279 '''changes is a dict of filename -> contents'''
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280 if self.svn_wc is None:
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281 self.svn_wc = os.path.join(self.tmpdir, 'testsvn_wc')
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282 subprocess.call([
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283 'svn', 'co', '-q', fileurl(self.repo_path),
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284 self.svn_wc
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285 ],
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286 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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287
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288 for filename, contents in changes.iteritems():
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289 # filenames are / separated
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290 filename = filename.replace('/', os.path.sep)
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291 filename = os.path.join(self.svn_wc, filename)
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292 open(filename, 'w').write(contents)
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293 # may be redundant
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294 subprocess.call(['svn', 'add', '-q', filename],
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295 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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296 subprocess.call([
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297 'svn', 'commit', '-q', self.svn_wc, '-m', 'test changes'],
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298 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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299
82
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diff changeset
300 # define this as a property so that it reloads anytime we need it
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diff changeset
301 @property
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302 def repo(self):
576
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diff changeset
303 return hg.repository(testui(), self.wc_path)
82
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diff changeset
304
355
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diff changeset
305 def pushrevisions(self, stupid=False, expected_extra_back=0):
170
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diff changeset
306 before = len(self.repo)
331
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diff changeset
307 self.repo.ui.setconfig('hgsubversion', 'stupid', str(stupid))
626
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diff changeset
308 res = commands.push(self.repo.ui, self.repo)
170
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diff changeset
309 after = len(self.repo)
355
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diff changeset
310 self.assertEqual(expected_extra_back, after - before)
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diff changeset
311 return res
83
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diff changeset
312
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diff changeset
313 def svnls(self, path, rev='HEAD'):
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314 path = self.repo_path + '/' + path
333
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diff changeset
315 path = util.normalize_url(fileurl(path))
83
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diff changeset
316 args = ['svn', 'ls', '-r', rev, '-R', path]
91
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317 p = subprocess.Popen(args,
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318 stdout=subprocess.PIPE,
331
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diff changeset
319 stderr=subprocess.STDOUT)
83
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diff changeset
320 stdout, stderr = p.communicate()
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diff changeset
321 if p.returncode:
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diff changeset
322 raise Exception('svn ls failed on %s: %r' % (path, stderr))
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diff changeset
323 entries = [e.strip('/') for e in stdout.splitlines()]
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diff changeset
324 entries.sort()
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diff changeset
325 return entries
84
01e747937d35 test_util: add commitchanges() to TestBase
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diff changeset
326
355
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diff changeset
327 def commitchanges(self, changes, parent='tip', message='automated test'):
84
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diff changeset
328 """Commit changes to mercurial directory
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diff changeset
329
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diff changeset
330 'changes' is a sequence of tuples (source, dest, data). It can look
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diff changeset
331 like:
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diff changeset
332 - (source, source, data) to set source content to data
91
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diff changeset
333 - (source, dest, None) to set dest content to source one, and mark it as
84
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diff changeset
334 copied from source.
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diff changeset
335 - (source, dest, data) to set dest content to data, and mark it as copied
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diff changeset
336 from source.
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diff changeset
337 - (source, None, None) to remove source.
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diff changeset
338 """
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diff changeset
339 repo = self.repo
277
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diff changeset
340 parentctx = repo[parent]
84
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diff changeset
341
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diff changeset
342 changed, removed = [], []
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diff changeset
343 for source, dest, newdata in changes:
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diff changeset
344 if dest is None:
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diff changeset
345 removed.append(source)
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diff changeset
346 else:
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diff changeset
347 changed.append(dest)
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diff changeset
348
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diff changeset
349 def filectxfn(repo, memctx, path):
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diff changeset
350 if path in removed:
531
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diff changeset
351 raise IOError(errno.ENOENT,
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diff changeset
352 "File \"%s\" no longer exists" % path)
84
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diff changeset
353 entry = [e for e in changes if path == e[1]][0]
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diff changeset
354 source, dest, newdata = entry
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diff changeset
355 if newdata is None:
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diff changeset
356 newdata = parentctx[source].data()
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diff changeset
357 copied = None
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diff changeset
358 if source != dest:
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diff changeset
359 copied = source
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diff changeset
360 return context.memfilectx(path=dest,
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diff changeset
361 data=newdata,
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diff changeset
362 islink=False,
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diff changeset
363 isexec=False,
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diff changeset
364 copied=copied)
91
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diff changeset
365
84
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diff changeset
366 ctx = context.memctx(repo,
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diff changeset
367 (parentctx.node(), node.nullid),
355
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diff changeset
368 message,
84
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diff changeset
369 changed + removed,
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diff changeset
370 filectxfn,
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diff changeset
371 'an_author',
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diff changeset
372 '2008-10-07 20:59:48 -0500')
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diff changeset
373 nodeid = repo.commitctx(ctx)
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diff changeset
374 repo = self.repo
277
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diff changeset
375 hg.clean(repo, nodeid)
84
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diff changeset
376 return nodeid
96
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diff changeset
377
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diff changeset
378 def assertchanges(self, changes, ctx):
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379 """Assert that all 'changes' (as in defined in commitchanged())
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diff changeset
380 went into ctx.
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diff changeset
381 """
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diff changeset
382 for source, dest, data in changes:
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diff changeset
383 if dest is None:
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diff changeset
384 self.assertTrue(source not in ctx)
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diff changeset
385 continue
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diff changeset
386 self.assertTrue(dest in ctx)
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diff changeset
387 if data is None:
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diff changeset
388 data = ctx.parents()[0][source].data()
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389 self.assertEqual(ctx[dest].data(), data)
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390 if dest != source:
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391 copy = ctx[dest].renamed()
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392 self.assertEqual(copy[0], source)
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393
621
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394 def assertMultiLineEqual(self, first, second, msg=None):
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395 """Assert that two multi-line strings are equal. (Based on Py3k code.)
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396 """
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397 self.assert_(isinstance(first, str),
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398 ('First argument is not a string'))
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399 self.assert_(isinstance(second, str),
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400 ('Second argument is not a string'))
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401
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402 if first != second:
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403 diff = ''.join(difflib.unified_diff(first.splitlines(True),
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404 second.splitlines(True),
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405 fromfile='a',
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406 tofile='b'))
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407 msg = '%s\n%s' % (msg or '', diff)
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408 raise self.failureException, msg
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409
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410 def draw(self, repo):
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411 """Helper function displaying a repository graph, especially
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412 useful when debugging comprehensive tests.
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413 """
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414 # Could be more elegant, but it works with stock hg
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415 _ui = ui.ui()
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416 _ui.setconfig('extensions', 'graphlog', '')
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417 extensions.loadall(_ui)
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418 graphlog = extensions.find('graphlog')
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419 templ = """\
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420 changeset: {rev}:{node|short}
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421 branch: {branches}
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422 tags: {tags}
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423 summary: {desc|firstline}
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424 files: {files}
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425
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426 """
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427 graphlog.graphlog(_ui, repo, rev=None, template=templ)