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annotate tests/test_util.py @ 720:a19a208c085b

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test_util: new requiresmodule decorator for tests that require a feature
author Augie Fackler <durin42@gmail.com>
date Mon, 04 Oct 2010 23:03:12 -0500
parents ae52a3b30cfb
children e830b592917b
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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73
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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 'non_ascii_path_1.svndump': '/b\xC3\xB8b',
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95 'non_ascii_path_2.svndump': '/b%C3%B8b',
194
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96 }
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97
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98 FIXTURES = os.path.join(os.path.abspath(os.path.dirname(__file__)),
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99 'fixtures')
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100
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101
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102 def _makeskip(name, message):
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103 def skip(*args, **kwargs):
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104 raise SkipTest(message)
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105 skip.__name__ = name
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106 return skip
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107
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108
720
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109 def requiresmodule(mod):
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110 """Skip a test if the specified module is not None."""
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111 def decorator(fn):
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112 if mod is not None:
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113 return fn
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114 return _makeskip(fn.__name__, 'missing required feature')
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115 return decorator
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116
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117
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118 def requiresoption(option):
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119 '''Skip a test if commands.clone does not take the specified option.'''
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120 def decorator(fn):
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121 for entry in cmdutil.findcmd('clone', commands.table)[1][1]:
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122 if entry[1] == option:
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123 return fn
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124 # no match found, so skip
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125 if SkipTest:
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126 return _makeskip(fn.__name__,
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127 'test requires clone to accept %s' % option)
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128 # no skipping support, so erase decorated method
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129 return
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130 if not isinstance(option, str):
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131 raise TypeError('requiresoption takes a string argument')
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132 return decorator
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133
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134 def filtermanifest(manifest):
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135 return filter(lambda x: x not in ('.hgtags', '.hgsvnexternals', ),
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136 manifest)
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137
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138 def fileurl(path):
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139 path = os.path.abspath(path).replace(os.sep, '/')
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140 drive, path = os.path.splitdrive(path)
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141 if drive:
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142 drive = '/' + drive
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143 url = 'file://%s%s' % (drive, path)
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144 return url
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145
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146 def testui(stupid=False, layout='auto', startrev=0):
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147 u = ui.ui()
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148 bools = {True: 'true', False: 'false'}
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149 u.setconfig('ui', 'quiet', bools[True])
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150 u.setconfig('extensions', 'hgsubversion', '')
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151 u.setconfig('hgsubversion', 'stupid', bools[stupid])
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152 u.setconfig('hgsubversion', 'layout', layout)
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153 u.setconfig('hgsubversion', 'startrev', startrev)
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154 return u
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155
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156 def load_svndump_fixture(path, fixture_name):
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157 '''Loads an svnadmin dump into a fresh repo at path, which should not
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158 already exist.
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159 '''
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160 if os.path.exists(path): rmtree(path)
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161 subprocess.call(['svnadmin', 'create', path,],
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162 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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163 inp = open(os.path.join(FIXTURES, fixture_name))
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164 proc = subprocess.Popen(['svnadmin', 'load', path,], stdin=inp,
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165 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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166 proc.communicate()
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167
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168 def load_fixture_and_fetch(fixture_name, repo_path, wc_path, stupid=False,
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169 subdir='', noupdate=True, layout='auto',
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170 startrev=0):
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171 load_svndump_fixture(repo_path, fixture_name)
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172 if subdir:
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173 repo_path += '/' + subdir
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174
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175 cmd = [
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176 'clone',
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177 '--layout=%s' % layout,
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178 '--startrev=%s' % startrev,
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179 fileurl(repo_path),
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180 wc_path,
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181 ]
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182 if stupid:
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183 cmd.append('--stupid')
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184 if noupdate:
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185 cmd.append('--noupdate')
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186
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187 dispatch.dispatch(cmd)
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188
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189 return hg.repository(testui(), wc_path)
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190
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191 def rmtree(path):
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192 # Read-only files cannot be removed under Windows
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193 for root, dirs, files in os.walk(path):
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194 for f in files:
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195 f = os.path.join(root, f)
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196 try:
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197 s = os.stat(f)
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198 except OSError, e:
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199 if e.errno == errno.ENOENT:
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200 continue
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201 raise
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202 if (s.st_mode & stat.S_IWRITE) == 0:
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203 os.chmod(f, s.st_mode | stat.S_IWRITE)
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204 shutil.rmtree(path)
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205
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206 def _verify_our_modules():
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207 '''
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208 Verify that hgsubversion was imported from the correct location.
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209
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210 The correct location is any location within the parent directory of the
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211 directory containing this file.
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212 '''
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213
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214 for modname, module in sys.modules.iteritems():
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215 if not module or not modname.startswith('hgsubversion.'):
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216 continue
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217
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218 modloc = module.__file__
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219 cp = os.path.commonprefix((os.path.abspath(__file__), modloc))
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220 assert cp.rstrip(os.sep) == _rootdir, (
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221 'Module location verification failed: hgsubversion was imported '
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222 'from the wrong path!'
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223 )
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224
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225 class TestBase(unittest.TestCase):
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226 def setUp(self):
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227 _verify_our_modules()
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228
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229 self.oldenv = dict([(k, os.environ.get(k, None), ) for k in
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230 ('LANG', 'LC_ALL', 'HGRCPATH', )])
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231 self.oldt = i18n.t
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232 os.environ['LANG'] = os.environ['LC_ALL'] = 'C'
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233 i18n.t = gettext.translation('hg', i18n.localedir, fallback=True)
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234
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235 self.oldwd = os.getcwd()
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236 self.tmpdir = tempfile.mkdtemp(
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237 'svnwrap_test', dir=os.environ.get('HGSUBVERSION_TEST_TEMP', None))
231
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238 self.hgrc = os.path.join(self.tmpdir, '.hgrc')
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239 os.environ['HGRCPATH'] = self.hgrc
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240 rc = open(self.hgrc, 'w')
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241 for l in '[extensions]', 'hgsubversion=':
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242 print >> rc, l
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243
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244 self.repo_path = '%s/testrepo' % self.tmpdir
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245 self.wc_path = '%s/testrepo_wc' % self.tmpdir
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246 self.svn_wc = None
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247
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248 # Previously, we had a MockUI class that wrapped ui, and giving access
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249 # to the stream. The ui.pushbuffer() and ui.popbuffer() can be used
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250 # instead. Using the regular UI class, with all stderr redirected to
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251 # stdout ensures that the test setup is much more similar to usage
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252 # setups.
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253 self.patch = (ui.ui.write_err, ui.ui.write)
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254 setattr(ui.ui, self.patch[0].func_name, self.patch[1])
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255
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256 def tearDown(self):
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257 for var, val in self.oldenv.iteritems():
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258 if val is None:
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259 del os.environ[var]
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diff changeset
260 else:
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diff changeset
261 os.environ[var] = val
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262 i18n.t = self.oldt
82
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diff changeset
263 rmtree(self.tmpdir)
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diff changeset
264 os.chdir(self.oldwd)
334
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265 setattr(ui.ui, self.patch[0].func_name, self.patch[0])
91
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266
645
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267 _verify_our_modules()
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268
548
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269 def assertStringEqual(self, l, r):
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270 try:
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271 self.assertEqual(l, r, 'failed string equality check, see stdout for details')
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272 except:
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273 add_nl = lambda li: map(lambda x: x+'\n', li)
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274 print 'failed expectation:'
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275 print ''.join(difflib.unified_diff(
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276 add_nl(l.splitlines()), add_nl(r.splitlines()),
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277 fromfile='expected', tofile='got'))
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278 raise
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279
576
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280 def ui(self, stupid=False, layout='auto'):
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281 return testui(stupid, layout)
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282
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283 def _load_fixture_and_fetch(self, fixture_name, subdir=None, stupid=False,
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284 layout='auto', startrev=0):
499
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285 if layout == 'single':
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286 if subdir is None:
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287 subdir = 'trunk'
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288 elif subdir is None:
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289 subdir = ''
138
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290 return load_fixture_and_fetch(fixture_name, self.repo_path,
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291 self.wc_path, subdir=subdir,
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292 stupid=stupid, layout=layout,
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293 startrev=startrev)
138
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294
689
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295 def _add_svn_rev(self, changes):
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296 '''changes is a dict of filename -> contents'''
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297 if self.svn_wc is None:
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298 self.svn_wc = os.path.join(self.tmpdir, 'testsvn_wc')
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299 subprocess.call([
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300 'svn', 'co', '-q', fileurl(self.repo_path),
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301 self.svn_wc
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302 ],
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303 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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304
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diff changeset
305 for filename, contents in changes.iteritems():
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306 # filenames are / separated
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307 filename = filename.replace('/', os.path.sep)
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diff changeset
308 filename = os.path.join(self.svn_wc, filename)
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diff changeset
309 open(filename, 'w').write(contents)
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diff changeset
310 # may be redundant
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diff changeset
311 subprocess.call(['svn', 'add', '-q', filename],
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diff changeset
312 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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diff changeset
313 subprocess.call([
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314 'svn', 'commit', '-q', self.svn_wc, '-m', 'test changes'],
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diff changeset
315 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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diff changeset
316
82
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diff changeset
317 # define this as a property so that it reloads anytime we need it
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diff changeset
318 @property
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diff changeset
319 def repo(self):
576
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diff changeset
320 return hg.repository(testui(), self.wc_path)
82
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diff changeset
321
355
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diff changeset
322 def pushrevisions(self, stupid=False, expected_extra_back=0):
170
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diff changeset
323 before = len(self.repo)
331
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diff changeset
324 self.repo.ui.setconfig('hgsubversion', 'stupid', str(stupid))
626
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diff changeset
325 res = commands.push(self.repo.ui, self.repo)
170
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diff changeset
326 after = len(self.repo)
355
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diff changeset
327 self.assertEqual(expected_extra_back, after - before)
626
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diff changeset
328 return res
83
6c9b7cf1c5aa push_cmd: delete empty svn directories, refactor directory creation
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diff changeset
329
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diff changeset
330 def svnls(self, path, rev='HEAD'):
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diff changeset
331 path = self.repo_path + '/' + path
333
a59ab58969d9 test_util: normalize path in svnls()
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parents: 331
diff changeset
332 path = util.normalize_url(fileurl(path))
83
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diff changeset
333 args = ['svn', 'ls', '-r', rev, '-R', path]
91
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diff changeset
334 p = subprocess.Popen(args,
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diff changeset
335 stdout=subprocess.PIPE,
331
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diff changeset
336 stderr=subprocess.STDOUT)
83
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diff changeset
337 stdout, stderr = p.communicate()
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diff changeset
338 if p.returncode:
6c9b7cf1c5aa push_cmd: delete empty svn directories, refactor directory creation
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diff changeset
339 raise Exception('svn ls failed on %s: %r' % (path, stderr))
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diff changeset
340 entries = [e.strip('/') for e in stdout.splitlines()]
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diff changeset
341 entries.sort()
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diff changeset
342 return entries
84
01e747937d35 test_util: add commitchanges() to TestBase
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diff changeset
343
355
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diff changeset
344 def commitchanges(self, changes, parent='tip', message='automated test'):
84
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diff changeset
345 """Commit changes to mercurial directory
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diff changeset
346
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diff changeset
347 'changes' is a sequence of tuples (source, dest, data). It can look
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diff changeset
348 like:
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diff changeset
349 - (source, source, data) to set source content to data
91
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350 - (source, dest, None) to set dest content to source one, and mark it as
84
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diff changeset
351 copied from source.
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diff changeset
352 - (source, dest, data) to set dest content to data, and mark it as copied
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diff changeset
353 from source.
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diff changeset
354 - (source, None, None) to remove source.
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diff changeset
355 """
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diff changeset
356 repo = self.repo
277
3848a7f9b983 push: Add a test that demonstrates base-text detection works
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parents: 270
diff changeset
357 parentctx = repo[parent]
84
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diff changeset
358
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diff changeset
359 changed, removed = [], []
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diff changeset
360 for source, dest, newdata in changes:
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diff changeset
361 if dest is None:
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diff changeset
362 removed.append(source)
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diff changeset
363 else:
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parents: 83
diff changeset
364 changed.append(dest)
01e747937d35 test_util: add commitchanges() to TestBase
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diff changeset
365
01e747937d35 test_util: add commitchanges() to TestBase
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parents: 83
diff changeset
366 def filectxfn(repo, memctx, path):
01e747937d35 test_util: add commitchanges() to TestBase
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parents: 83
diff changeset
367 if path in removed:
531
cf4fe45bf8fd Change all instantiations of IOError to set both errno and strerror.
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diff changeset
368 raise IOError(errno.ENOENT,
cf4fe45bf8fd Change all instantiations of IOError to set both errno and strerror.
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diff changeset
369 "File \"%s\" no longer exists" % path)
84
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diff changeset
370 entry = [e for e in changes if path == e[1]][0]
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diff changeset
371 source, dest, newdata = entry
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parents: 83
diff changeset
372 if newdata is None:
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parents: 83
diff changeset
373 newdata = parentctx[source].data()
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diff changeset
374 copied = None
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diff changeset
375 if source != dest:
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diff changeset
376 copied = source
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diff changeset
377 return context.memfilectx(path=dest,
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parents: 83
diff changeset
378 data=newdata,
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diff changeset
379 islink=False,
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diff changeset
380 isexec=False,
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diff changeset
381 copied=copied)
91
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diff changeset
382
84
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diff changeset
383 ctx = context.memctx(repo,
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parents: 83
diff changeset
384 (parentctx.node(), node.nullid),
355
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diff changeset
385 message,
84
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diff changeset
386 changed + removed,
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parents: 83
diff changeset
387 filectxfn,
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388 'an_author',
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389 '2008-10-07 20:59:48 -0500')
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390 nodeid = repo.commitctx(ctx)
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391 repo = self.repo
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392 hg.clean(repo, nodeid)
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393 return nodeid
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394
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395 def assertchanges(self, changes, ctx):
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396 """Assert that all 'changes' (as in defined in commitchanged())
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397 went into ctx.
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398 """
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399 for source, dest, data in changes:
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400 if dest is None:
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401 self.assertTrue(source not in ctx)
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402 continue
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403 self.assertTrue(dest in ctx)
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404 if data is None:
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405 data = ctx.parents()[0][source].data()
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406 self.assertEqual(ctx[dest].data(), data)
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407 if dest != source:
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408 copy = ctx[dest].renamed()
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409 self.assertEqual(copy[0], source)
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410
621
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411 def assertMultiLineEqual(self, first, second, msg=None):
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412 """Assert that two multi-line strings are equal. (Based on Py3k code.)
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413 """
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414 self.assert_(isinstance(first, str),
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415 ('First argument is not a string'))
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416 self.assert_(isinstance(second, str),
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417 ('Second argument is not a string'))
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418
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419 if first != second:
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420 diff = ''.join(difflib.unified_diff(first.splitlines(True),
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421 second.splitlines(True),
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422 fromfile='a',
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423 tofile='b'))
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424 msg = '%s\n%s' % (msg or '', diff)
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425 raise self.failureException, msg
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426
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427 def draw(self, repo):
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428 """Helper function displaying a repository graph, especially
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429 useful when debugging comprehensive tests.
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430 """
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431 # Could be more elegant, but it works with stock hg
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432 _ui = ui.ui()
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433 _ui.setconfig('extensions', 'graphlog', '')
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434 extensions.loadall(_ui)
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435 graphlog = extensions.find('graphlog')
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436 templ = """\
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437 changeset: {rev}:{node|short}
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438 branch: {branches}
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439 tags: {tags}
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440 summary: {desc|firstline}
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441 files: {files}
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442
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443 """
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444 graphlog.graphlog(_ui, repo, rev=None, template=templ)