annotate tests/test_util.py @ 527:2be9f14bd23f

test_util: add helper to draw repo with graphlog extension Priceless when debugging comprehensive tests
author Patrick Mezard <pmezard@gmail.com>
date Fri, 29 Jan 2010 23:36:14 +0100
parents 60bf433647e7
children cf4fe45bf8fd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 import StringIO
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2 import errno
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3 import gettext
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4 import imp
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5 import os
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6 import shutil
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7 import stat
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8 import subprocess
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9 import sys
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10 import tempfile
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11 import unittest
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12 import urllib
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13
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14 import __init__
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15
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16 from mercurial import commands
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17 from mercurial import context
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18 from mercurial import hg
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19 from mercurial import i18n
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20 from mercurial import node
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21 from mercurial import ui
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22 from mercurial import extensions
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23
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24 from hgsubversion import util
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25
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26 # Documentation for Subprocess.Popen() says:
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27 # "Note that on Windows, you cannot set close_fds to true and
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28 # also redirect the standard handles by setting stdin, stdout or
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29 # stderr."
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30 canCloseFds='win32' not in sys.platform
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31
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32 if not 'win32' in sys.platform:
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33 def kill_process(popen_obj):
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34 os.kill(popen_obj.pid, 9)
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35 else:
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36 import ctypes
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37 from ctypes.wintypes import BOOL, DWORD, HANDLE, UINT
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38
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39 def win_status_check(result, func, args):
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40 if result == 0:
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41 raise ctypes.WinError()
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42 return args
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43
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44 def WINAPI(returns, func, *params):
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45 assert len(params) % 2 == 0
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46
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47 func.argtypes = tuple(params[0::2])
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48 func.resvalue = returns
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49 func.errcheck = win_status_check
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50
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51 return func
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52
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53 # dwDesiredAccess
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54 PROCESS_TERMINATE = 0x0001
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55
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56 OpenProcess = WINAPI(HANDLE, ctypes.windll.kernel32.OpenProcess,
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57 DWORD, 'dwDesiredAccess',
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58 BOOL, 'bInheritHandle',
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59 DWORD, 'dwProcessId',
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60 )
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61
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62 CloseHandle = WINAPI(BOOL, ctypes.windll.kernel32.CloseHandle,
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63 HANDLE, 'hObject'
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64 )
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65
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66 TerminateProcess = WINAPI(BOOL, ctypes.windll.kernel32.TerminateProcess,
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67 HANDLE, 'hProcess',
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68 UINT, 'uExitCode'
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69 )
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71 def kill_process(popen_obj):
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72 phnd = OpenProcess(PROCESS_TERMINATE, False, popen_obj.pid)
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73 TerminateProcess(phnd, 1)
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74 CloseHandle(phnd)
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75
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76 # Fixtures that need to be pulled at a subdirectory of the repo path
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77 subdir = {'truncatedhistory.svndump': '/project2',
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78 'fetch_missing_files_subdir.svndump': '/foo',
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79 'empty_dir_in_trunk_not_repo_root.svndump': '/project',
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80 'project_root_not_repo_root.svndump': '/dummyproj',
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81 'project_name_with_space.svndump': '/project name',
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82 }
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83
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84 FIXTURES = os.path.join(os.path.abspath(os.path.dirname(__file__)),
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85 'fixtures')
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86
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87 def filtermanifest(manifest):
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88 return filter(lambda x: x not in ('.hgtags', '.hgsvnexternals', ),
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89 manifest)
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90
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91 def fileurl(path):
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92 path = os.path.abspath(path).replace(os.sep, '/')
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93 drive, path = os.path.splitdrive(path)
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94 if drive:
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95 drive = '/' + drive
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96 url = 'file://%s%s' % (drive, path)
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97 return url
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98
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99 def load_svndump_fixture(path, fixture_name):
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100 '''Loads an svnadmin dump into a fresh repo at path, which should not
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101 already exist.
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102 '''
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103 if os.path.exists(path): rmtree(path)
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104 subprocess.call(['svnadmin', 'create', path,],
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105 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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106 inp = open(os.path.join(FIXTURES, fixture_name))
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107 proc = subprocess.Popen(['svnadmin', 'load', path,], stdin=inp,
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108 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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109 proc.communicate()
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110
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111 def load_fixture_and_fetch(fixture_name, repo_path, wc_path, stupid=False, subdir='',
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112 noupdate=True, layout='auto'):
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113 load_svndump_fixture(repo_path, fixture_name)
112
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114 if subdir:
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115 repo_path += '/' + subdir
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116
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117 confvars = locals()
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118 def conf():
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119 _ui = ui.ui()
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120 for var in ('stupid', 'layout'):
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121 _ui.setconfig('hgsubversion', var, str(confvars[var]))
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122 return _ui
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123 _ui = conf()
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124 commands.clone(_ui, fileurl(repo_path), wc_path, noupdate=noupdate)
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125 _ui = conf()
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126 return hg.repository(_ui, wc_path)
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127
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128 def rmtree(path):
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129 # Read-only files cannot be removed under Windows
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130 for root, dirs, files in os.walk(path):
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131 for f in files:
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132 f = os.path.join(root, f)
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133 try:
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134 s = os.stat(f)
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135 except OSError, e:
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136 if e.errno == errno.ENOENT:
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137 continue
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138 raise
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139 if (s.st_mode & stat.S_IWRITE) == 0:
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140 os.chmod(f, s.st_mode | stat.S_IWRITE)
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141 shutil.rmtree(path)
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142
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143
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144 class TestBase(unittest.TestCase):
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145 def setUp(self):
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146 self.oldenv = dict([(k, os.environ.get(k, None), ) for k in
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147 ('LANG', 'LC_ALL', 'HGRCPATH', )])
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148 self.oldt = i18n.t
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149 os.environ['LANG'] = os.environ['LC_ALL'] = 'C'
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150 i18n.t = gettext.translation('hg', i18n.localedir, fallback=True)
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151
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152 self.oldwd = os.getcwd()
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153 self.tmpdir = tempfile.mkdtemp(
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154 'svnwrap_test', dir=os.environ.get('HGSUBVERSION_TEST_TEMP', None))
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155 self.hgrc = os.path.join(self.tmpdir, '.hgrc')
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156 os.environ['HGRCPATH'] = self.hgrc
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157 rc = open(self.hgrc, 'w')
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158 for l in '[extensions]', 'hgsubversion=':
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159 print >> rc, l
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160
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161 self.repo_path = '%s/testrepo' % self.tmpdir
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162 self.wc_path = '%s/testrepo_wc' % self.tmpdir
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163
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164 # Previously, we had a MockUI class that wrapped ui, and giving access
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165 # to the stream. The ui.pushbuffer() and ui.popbuffer() can be used
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166 # instead. Using the regular UI class, with all stderr redirected to
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167 # stdout ensures that the test setup is much more similar to usage
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168 # setups.
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169 self.patch = (ui.ui.write_err, ui.ui.write)
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170 setattr(ui.ui, self.patch[0].func_name, self.patch[1])
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171
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172 def tearDown(self):
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173 for var, val in self.oldenv.iteritems():
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174 if val is None:
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175 del os.environ[var]
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176 else:
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177 os.environ[var] = val
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178 i18n.t = self.oldt
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179 rmtree(self.tmpdir)
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180 os.chdir(self.oldwd)
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181 setattr(ui.ui, self.patch[0].func_name, self.patch[0])
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182
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183 def _load_fixture_and_fetch(self, fixture_name, subdir=None, stupid=False, layout='auto'):
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184 if layout == 'single':
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185 if subdir is None:
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186 subdir = 'trunk'
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187 elif subdir is None:
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188 subdir = ''
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189 return load_fixture_and_fetch(fixture_name, self.repo_path,
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190 self.wc_path, subdir=subdir,
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191 stupid=stupid, layout=layout)
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192
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193 # define this as a property so that it reloads anytime we need it
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194 @property
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195 def repo(self):
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196 return hg.repository(ui.ui(), self.wc_path)
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197
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198 def pushrevisions(self, stupid=False, expected_extra_back=0):
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199 before = len(self.repo)
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200 self.repo.ui.setconfig('hgsubversion', 'stupid', str(stupid))
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201 commands.push(self.repo.ui, self.repo)
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202 after = len(self.repo)
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203 self.assertEqual(expected_extra_back, after - before)
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204
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205 def svnls(self, path, rev='HEAD'):
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206 path = self.repo_path + '/' + path
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207 path = util.normalize_url(fileurl(path))
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208 args = ['svn', 'ls', '-r', rev, '-R', path]
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209 p = subprocess.Popen(args,
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210 stdout=subprocess.PIPE,
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211 stderr=subprocess.STDOUT)
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212 stdout, stderr = p.communicate()
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213 if p.returncode:
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214 raise Exception('svn ls failed on %s: %r' % (path, stderr))
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215 entries = [e.strip('/') for e in stdout.splitlines()]
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216 entries.sort()
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217 return entries
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218
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219 def commitchanges(self, changes, parent='tip', message='automated test'):
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220 """Commit changes to mercurial directory
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221
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222 'changes' is a sequence of tuples (source, dest, data). It can look
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223 like:
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224 - (source, source, data) to set source content to data
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225 - (source, dest, None) to set dest content to source one, and mark it as
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226 copied from source.
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227 - (source, dest, data) to set dest content to data, and mark it as copied
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228 from source.
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229 - (source, None, None) to remove source.
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230 """
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231 repo = self.repo
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232 parentctx = repo[parent]
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233
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234 changed, removed = [], []
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235 for source, dest, newdata in changes:
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236 if dest is None:
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237 removed.append(source)
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238 else:
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239 changed.append(dest)
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240
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241 def filectxfn(repo, memctx, path):
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242 if path in removed:
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243 raise IOError()
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244 entry = [e for e in changes if path == e[1]][0]
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245 source, dest, newdata = entry
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246 if newdata is None:
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247 newdata = parentctx[source].data()
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248 copied = None
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249 if source != dest:
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250 copied = source
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251 return context.memfilectx(path=dest,
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252 data=newdata,
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253 islink=False,
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254 isexec=False,
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255 copied=copied)
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256
84
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257 ctx = context.memctx(repo,
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258 (parentctx.node(), node.nullid),
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259 message,
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260 changed + removed,
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261 filectxfn,
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262 'an_author',
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263 '2008-10-07 20:59:48 -0500')
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264 nodeid = repo.commitctx(ctx)
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265 repo = self.repo
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266 hg.clean(repo, nodeid)
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267 return nodeid
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268
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269 def assertchanges(self, changes, ctx):
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270 """Assert that all 'changes' (as in defined in commitchanged())
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271 went into ctx.
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272 """
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273 for source, dest, data in changes:
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274 if dest is None:
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275 self.assertTrue(source not in ctx)
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276 continue
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277 self.assertTrue(dest in ctx)
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278 if data is None:
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279 data = ctx.parents()[0][source].data()
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280 self.assertEqual(ctx[dest].data(), data)
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281 if dest != source:
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282 copy = ctx[dest].renamed()
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283 self.assertEqual(copy[0], source)
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284
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285 def draw(self, repo):
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286 """Helper function displaying a repository graph, especially
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287 useful when debugging comprehensive tests.
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288 """
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289 # Could be more elegant, but it works with stock hg
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290 _ui = ui.ui()
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291 _ui.setconfig('extensions', 'graphlog', '')
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292 extensions.loadall(_ui)
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293 graphlog = extensions.find('graphlog')
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294 templ = """\
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295 changeset: {rev}:{node|short}
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296 branch: {branches}
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297 summary: {desc|firstline}
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298 files: {files}
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299
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300 """
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301 graphlog.graphlog(_ui, repo, rev=None, template=templ)