Mercurial > hgsubversion

annotate tests/test_util.py @ 649:2060e0ca8dd5

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svnwrap: add get_revision(); a thing wrapper around ra.do_update() This function allows us to fetch the entire contents of a revision in a reasonably efficient manner.
author Dan Villiom Podlaski Christiansen <danchr@gmail.com>
date Tue, 20 Jul 2010 11:55:07 +0200
parents 3cb5042531fb
children c3900ad3bf69
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 commands
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19 from mercurial import context
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20 from mercurial import hg
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21 from mercurial import i18n
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22 from mercurial import node
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23 from mercurial import ui
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24 from mercurial import extensions
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25
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26 from hgsubversion import util
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27
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28 # Documentation for Subprocess.Popen() says:
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29 # "Note that on Windows, you cannot set close_fds to true and
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30 # also redirect the standard handles by setting stdin, stdout or
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31 # stderr."
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32 canCloseFds='win32' not in sys.platform
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33
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34 if not 'win32' in sys.platform:
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35 def kill_process(popen_obj):
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36 os.kill(popen_obj.pid, 9)
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37 else:
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38 import ctypes
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39 from ctypes.wintypes import BOOL, DWORD, HANDLE, UINT
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40
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41 def win_status_check(result, func, args):
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42 if result == 0:
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43 raise ctypes.WinError()
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44 return args
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45
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46 def WINAPI(returns, func, *params):
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47 assert len(params) % 2 == 0
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48
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49 func.argtypes = tuple(params[0::2])
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50 func.resvalue = returns
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51 func.errcheck = win_status_check
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52
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53 return func
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54
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55 # dwDesiredAccess
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56 PROCESS_TERMINATE = 0x0001
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57
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58 OpenProcess = WINAPI(HANDLE, ctypes.windll.kernel32.OpenProcess,
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59 DWORD, 'dwDesiredAccess',
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60 BOOL, 'bInheritHandle',
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61 DWORD, 'dwProcessId',
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62 )
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64 CloseHandle = WINAPI(BOOL, ctypes.windll.kernel32.CloseHandle,
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65 HANDLE, 'hObject'
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66 )
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68 TerminateProcess = WINAPI(BOOL, ctypes.windll.kernel32.TerminateProcess,
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69 HANDLE, 'hProcess',
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70 UINT, 'uExitCode'
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71 )
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72
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73 def kill_process(popen_obj):
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74 phnd = OpenProcess(PROCESS_TERMINATE, False, popen_obj.pid)
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75 TerminateProcess(phnd, 1)
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76 CloseHandle(phnd)
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77
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78 # Fixtures that need to be pulled at a subdirectory of the repo path
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79 subdir = {'truncatedhistory.svndump': '/project2',
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80 'fetch_missing_files_subdir.svndump': '/foo',
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81 'empty_dir_in_trunk_not_repo_root.svndump': '/project',
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82 'project_root_not_repo_root.svndump': '/dummyproj',
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83 'project_name_with_space.svndump': '/project name',
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84 }
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85
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86 FIXTURES = os.path.join(os.path.abspath(os.path.dirname(__file__)),
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87 'fixtures')
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88
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89 def filtermanifest(manifest):
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90 return filter(lambda x: x not in ('.hgtags', '.hgsvnexternals', ),
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91 manifest)
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92
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93 def fileurl(path):
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94 path = os.path.abspath(path).replace(os.sep, '/')
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95 drive, path = os.path.splitdrive(path)
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96 if drive:
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97 drive = '/' + drive
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98 url = 'file://%s%s' % (drive, path)
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99 return url
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100
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101 def testui(stupid=False, layout='auto'):
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102 u = ui.ui()
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103 bools = {True: 'true', False: 'false'}
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104 u.setconfig('ui', 'quiet', bools[True])
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105 u.setconfig('hgsubversion', 'stupid', bools[stupid])
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106 u.setconfig('hgsubversion', 'layout', layout)
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107 return u
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108
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109 def load_svndump_fixture(path, fixture_name):
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110 '''Loads an svnadmin dump into a fresh repo at path, which should not
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111 already exist.
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112 '''
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113 if os.path.exists(path): rmtree(path)
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114 subprocess.call(['svnadmin', 'create', path,],
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115 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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116 inp = open(os.path.join(FIXTURES, fixture_name))
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117 proc = subprocess.Popen(['svnadmin', 'load', path,], stdin=inp,
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118 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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119 proc.communicate()
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120
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121 def load_fixture_and_fetch(fixture_name, repo_path, wc_path, stupid=False, subdir='',
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122 noupdate=True, layout='auto'):
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123 load_svndump_fixture(repo_path, fixture_name)
112
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124 if subdir:
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125 repo_path += '/' + subdir
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126 _ui = testui(stupid=stupid, layout=layout)
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127 commands.clone(_ui, fileurl(repo_path), wc_path, noupdate=noupdate)
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128 return hg.repository(testui(), wc_path)
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129
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130 def rmtree(path):
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131 # Read-only files cannot be removed under Windows
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132 for root, dirs, files in os.walk(path):
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133 for f in files:
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134 f = os.path.join(root, f)
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135 try:
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136 s = os.stat(f)
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137 except OSError, e:
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138 if e.errno == errno.ENOENT:
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139 continue
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140 raise
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141 if (s.st_mode & stat.S_IWRITE) == 0:
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142 os.chmod(f, s.st_mode | stat.S_IWRITE)
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143 shutil.rmtree(path)
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144
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145 def _verify_our_modules():
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146 '''
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147 Verify that hgsubversion was imported from the correct location.
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148
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149 The correct location is any location within the parent directory of the
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150 directory containing this file.
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151 '''
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152
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153 for modname, module in sys.modules.iteritems():
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154 if not module or not modname.startswith('hgsubversion.'):
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155 continue
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156
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157 modloc = module.__file__
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158 cp = os.path.commonprefix((os.path.abspath(__file__), modloc))
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159 assert cp.rstrip(os.sep) == _rootdir, (
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160 'Module location verification failed: hgsubversion was imported '
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161 'from the wrong path!'
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162 )
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163
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164 class TestBase(unittest.TestCase):
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165 def setUp(self):
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166 _verify_our_modules()
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167
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168 self.oldenv = dict([(k, os.environ.get(k, None), ) for k in
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169 ('LANG', 'LC_ALL', 'HGRCPATH', )])
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170 self.oldt = i18n.t
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171 os.environ['LANG'] = os.environ['LC_ALL'] = 'C'
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172 i18n.t = gettext.translation('hg', i18n.localedir, fallback=True)
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173
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174 self.oldwd = os.getcwd()
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175 self.tmpdir = tempfile.mkdtemp(
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176 'svnwrap_test', dir=os.environ.get('HGSUBVERSION_TEST_TEMP', None))
231
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177 self.hgrc = os.path.join(self.tmpdir, '.hgrc')
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178 os.environ['HGRCPATH'] = self.hgrc
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179 rc = open(self.hgrc, 'w')
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180 for l in '[extensions]', 'hgsubversion=':
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181 print >> rc, l
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182
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183 self.repo_path = '%s/testrepo' % self.tmpdir
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184 self.wc_path = '%s/testrepo_wc' % self.tmpdir
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185
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186 # Previously, we had a MockUI class that wrapped ui, and giving access
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187 # to the stream. The ui.pushbuffer() and ui.popbuffer() can be used
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188 # instead. Using the regular UI class, with all stderr redirected to
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189 # stdout ensures that the test setup is much more similar to usage
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190 # setups.
334
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191 self.patch = (ui.ui.write_err, ui.ui.write)
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192 setattr(ui.ui, self.patch[0].func_name, self.patch[1])
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193
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194 def tearDown(self):
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195 for var, val in self.oldenv.iteritems():
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196 if val is None:
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197 del os.environ[var]
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198 else:
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199 os.environ[var] = val
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200 i18n.t = self.oldt
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201 rmtree(self.tmpdir)
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202 os.chdir(self.oldwd)
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203 setattr(ui.ui, self.patch[0].func_name, self.patch[0])
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204
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205 _verify_our_modules()
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206
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207 def assertStringEqual(self, l, r):
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208 try:
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209 self.assertEqual(l, r, 'failed string equality check, see stdout for details')
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210 except:
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211 add_nl = lambda li: map(lambda x: x+'\n', li)
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212 print 'failed expectation:'
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213 print ''.join(difflib.unified_diff(
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214 add_nl(l.splitlines()), add_nl(r.splitlines()),
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215 fromfile='expected', tofile='got'))
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216 raise
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217
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218 def ui(self, stupid=False, layout='auto'):
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219 return testui(stupid, layout)
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220
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221 def _load_fixture_and_fetch(self, fixture_name, subdir=None, stupid=False, layout='auto'):
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222 if layout == 'single':
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223 if subdir is None:
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224 subdir = 'trunk'
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225 elif subdir is None:
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226 subdir = ''
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227 return load_fixture_and_fetch(fixture_name, self.repo_path,
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228 self.wc_path, subdir=subdir,
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229 stupid=stupid, layout=layout)
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230
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231 # define this as a property so that it reloads anytime we need it
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232 @property
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233 def repo(self):
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234 return hg.repository(testui(), self.wc_path)
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235
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236 def pushrevisions(self, stupid=False, expected_extra_back=0):
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237 before = len(self.repo)
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238 self.repo.ui.setconfig('hgsubversion', 'stupid', str(stupid))
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239 res = commands.push(self.repo.ui, self.repo)
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240 after = len(self.repo)
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241 self.assertEqual(expected_extra_back, after - before)
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242 return res
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243
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244 def svnls(self, path, rev='HEAD'):
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245 path = self.repo_path + '/' + path
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246 path = util.normalize_url(fileurl(path))
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247 args = ['svn', 'ls', '-r', rev, '-R', path]
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248 p = subprocess.Popen(args,
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249 stdout=subprocess.PIPE,
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250 stderr=subprocess.STDOUT)
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251 stdout, stderr = p.communicate()
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252 if p.returncode:
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253 raise Exception('svn ls failed on %s: %r' % (path, stderr))
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254 entries = [e.strip('/') for e in stdout.splitlines()]
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255 entries.sort()
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256 return entries
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257
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258 def commitchanges(self, changes, parent='tip', message='automated test'):
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259 """Commit changes to mercurial directory
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260
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261 'changes' is a sequence of tuples (source, dest, data). It can look
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262 like:
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263 - (source, source, data) to set source content to data
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264 - (source, dest, None) to set dest content to source one, and mark it as
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265 copied from source.
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266 - (source, dest, data) to set dest content to data, and mark it as copied
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267 from source.
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268 - (source, None, None) to remove source.
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269 """
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270 repo = self.repo
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271 parentctx = repo[parent]
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272
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273 changed, removed = [], []
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274 for source, dest, newdata in changes:
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275 if dest is None:
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276 removed.append(source)
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277 else:
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278 changed.append(dest)
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279
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280 def filectxfn(repo, memctx, path):
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281 if path in removed:
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282 raise IOError(errno.ENOENT,
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283 "File \"%s\" no longer exists" % path)
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284 entry = [e for e in changes if path == e[1]][0]
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285 source, dest, newdata = entry
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286 if newdata is None:
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287 newdata = parentctx[source].data()
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288 copied = None
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289 if source != dest:
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290 copied = source
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291 return context.memfilectx(path=dest,
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292 data=newdata,
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293 islink=False,
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294 isexec=False,
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295 copied=copied)
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296
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297 ctx = context.memctx(repo,
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298 (parentctx.node(), node.nullid),
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299 message,
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300 changed + removed,
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301 filectxfn,
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302 'an_author',
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303 '2008-10-07 20:59:48 -0500')
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304 nodeid = repo.commitctx(ctx)
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305 repo = self.repo
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306 hg.clean(repo, nodeid)
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307 return nodeid
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308
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309 def assertchanges(self, changes, ctx):
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310 """Assert that all 'changes' (as in defined in commitchanged())
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311 went into ctx.
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312 """
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313 for source, dest, data in changes:
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314 if dest is None:
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315 self.assertTrue(source not in ctx)
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316 continue
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317 self.assertTrue(dest in ctx)
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318 if data is None:
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319 data = ctx.parents()[0][source].data()
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320 self.assertEqual(ctx[dest].data(), data)
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321 if dest != source:
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322 copy = ctx[dest].renamed()
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323 self.assertEqual(copy[0], source)
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324
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325 def assertMultiLineEqual(self, first, second, msg=None):
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326 """Assert that two multi-line strings are equal. (Based on Py3k code.)
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327 """
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328 self.assert_(isinstance(first, str),
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329 ('First argument is not a string'))
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330 self.assert_(isinstance(second, str),
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331 ('Second argument is not a string'))
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332
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333 if first != second:
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334 diff = ''.join(difflib.unified_diff(first.splitlines(True),
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335 second.splitlines(True),
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336 fromfile='a',
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337 tofile='b'))
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338 msg = '%s\n%s' % (msg or '', diff)
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339 raise self.failureException, msg
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340
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341 def draw(self, repo):
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342 """Helper function displaying a repository graph, especially
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343 useful when debugging comprehensive tests.
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344 """
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345 # Could be more elegant, but it works with stock hg
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346 _ui = ui.ui()
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347 _ui.setconfig('extensions', 'graphlog', '')
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348 extensions.loadall(_ui)
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349 graphlog = extensions.find('graphlog')
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350 templ = """\
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351 changeset: {rev}:{node|short}
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352 branch: {branches}
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353 tags: {tags}
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354 summary: {desc|firstline}
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355 files: {files}
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356
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357 """
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358 graphlog.graphlog(_ui, repo, rev=None, template=templ)