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annotate tests/test_util.py @ 643:d2ef7220a079

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tests: import test_util as the first module in all relevant tests
author Dan Villiom Podlaski Christiansen <danchr@gmail.com>
date Wed, 14 Jul 2010 15:39:18 +0200
parents 8e621dbb82d4
children 95abc4cfc78f
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 import __init__
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16
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17 from mercurial import commands
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18 from mercurial import context
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19 from mercurial import hg
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20 from mercurial import i18n
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21 from mercurial import node
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22 from mercurial import ui
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23 from mercurial import extensions
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24
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25 from hgsubversion import util
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26
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27 # Documentation for Subprocess.Popen() says:
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28 # "Note that on Windows, you cannot set close_fds to true and
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29 # also redirect the standard handles by setting stdin, stdout or
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30 # stderr."
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31 canCloseFds='win32' not in sys.platform
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32
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33 if not 'win32' in sys.platform:
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34 def kill_process(popen_obj):
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35 os.kill(popen_obj.pid, 9)
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36 else:
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37 import ctypes
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38 from ctypes.wintypes import BOOL, DWORD, HANDLE, UINT
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39
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40 def win_status_check(result, func, args):
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41 if result == 0:
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42 raise ctypes.WinError()
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43 return args
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44
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45 def WINAPI(returns, func, *params):
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46 assert len(params) % 2 == 0
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47
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48 func.argtypes = tuple(params[0::2])
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49 func.resvalue = returns
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50 func.errcheck = win_status_check
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51
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52 return func
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53
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54 # dwDesiredAccess
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55 PROCESS_TERMINATE = 0x0001
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56
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57 OpenProcess = WINAPI(HANDLE, ctypes.windll.kernel32.OpenProcess,
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58 DWORD, 'dwDesiredAccess',
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59 BOOL, 'bInheritHandle',
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60 DWORD, 'dwProcessId',
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61 )
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63 CloseHandle = WINAPI(BOOL, ctypes.windll.kernel32.CloseHandle,
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64 HANDLE, 'hObject'
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65 )
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67 TerminateProcess = WINAPI(BOOL, ctypes.windll.kernel32.TerminateProcess,
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68 HANDLE, 'hProcess',
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69 UINT, 'uExitCode'
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70 )
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72 def kill_process(popen_obj):
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73 phnd = OpenProcess(PROCESS_TERMINATE, False, popen_obj.pid)
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74 TerminateProcess(phnd, 1)
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75 CloseHandle(phnd)
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76
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77 # Fixtures that need to be pulled at a subdirectory of the repo path
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78 subdir = {'truncatedhistory.svndump': '/project2',
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79 'fetch_missing_files_subdir.svndump': '/foo',
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80 'empty_dir_in_trunk_not_repo_root.svndump': '/project',
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81 'project_root_not_repo_root.svndump': '/dummyproj',
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82 'project_name_with_space.svndump': '/project name',
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83 }
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84
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85 FIXTURES = os.path.join(os.path.abspath(os.path.dirname(__file__)),
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86 'fixtures')
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87
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88 def filtermanifest(manifest):
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89 return filter(lambda x: x not in ('.hgtags', '.hgsvnexternals', ),
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90 manifest)
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91
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92 def fileurl(path):
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93 path = os.path.abspath(path).replace(os.sep, '/')
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94 drive, path = os.path.splitdrive(path)
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95 if drive:
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96 drive = '/' + drive
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97 url = 'file://%s%s' % (drive, path)
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98 return url
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99
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100 def testui(stupid=False, layout='auto'):
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101 u = ui.ui()
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102 bools = {True: 'true', False: 'false'}
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103 u.setconfig('ui', 'quiet', bools[True])
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104 u.setconfig('hgsubversion', 'stupid', bools[stupid])
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105 u.setconfig('hgsubversion', 'layout', layout)
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106 return u
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107
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108 def load_svndump_fixture(path, fixture_name):
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109 '''Loads an svnadmin dump into a fresh repo at path, which should not
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110 already exist.
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111 '''
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112 if os.path.exists(path): rmtree(path)
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113 subprocess.call(['svnadmin', 'create', path,],
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114 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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115 inp = open(os.path.join(FIXTURES, fixture_name))
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116 proc = subprocess.Popen(['svnadmin', 'load', path,], stdin=inp,
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117 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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118 proc.communicate()
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119
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120 def load_fixture_and_fetch(fixture_name, repo_path, wc_path, stupid=False, subdir='',
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121 noupdate=True, layout='auto'):
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122 load_svndump_fixture(repo_path, fixture_name)
112
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123 if subdir:
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124 repo_path += '/' + subdir
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125 _ui = testui(stupid=stupid, layout=layout)
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126 commands.clone(_ui, fileurl(repo_path), wc_path, noupdate=noupdate)
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127 return hg.repository(testui(), wc_path)
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128
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129 def rmtree(path):
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130 # Read-only files cannot be removed under Windows
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131 for root, dirs, files in os.walk(path):
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132 for f in files:
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133 f = os.path.join(root, f)
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134 try:
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135 s = os.stat(f)
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136 except OSError, e:
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137 if e.errno == errno.ENOENT:
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138 continue
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139 raise
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140 if (s.st_mode & stat.S_IWRITE) == 0:
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141 os.chmod(f, s.st_mode | stat.S_IWRITE)
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142 shutil.rmtree(path)
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143
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144
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145 class TestBase(unittest.TestCase):
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146 def setUp(self):
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147 self.oldenv = dict([(k, os.environ.get(k, None), ) for k in
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148 ('LANG', 'LC_ALL', 'HGRCPATH', )])
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149 self.oldt = i18n.t
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150 os.environ['LANG'] = os.environ['LC_ALL'] = 'C'
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151 i18n.t = gettext.translation('hg', i18n.localedir, fallback=True)
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152
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153 self.oldwd = os.getcwd()
148
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154 self.tmpdir = tempfile.mkdtemp(
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155 'svnwrap_test', dir=os.environ.get('HGSUBVERSION_TEST_TEMP', None))
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156 self.hgrc = os.path.join(self.tmpdir, '.hgrc')
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157 os.environ['HGRCPATH'] = self.hgrc
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158 rc = open(self.hgrc, 'w')
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159 for l in '[extensions]', 'hgsubversion=':
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160 print >> rc, l
148
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161
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162 self.repo_path = '%s/testrepo' % self.tmpdir
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163 self.wc_path = '%s/testrepo_wc' % self.tmpdir
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164
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165 # Previously, we had a MockUI class that wrapped ui, and giving access
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166 # to the stream. The ui.pushbuffer() and ui.popbuffer() can be used
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167 # instead. Using the regular UI class, with all stderr redirected to
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168 # stdout ensures that the test setup is much more similar to usage
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169 # setups.
334
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170 self.patch = (ui.ui.write_err, ui.ui.write)
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171 setattr(ui.ui, self.patch[0].func_name, self.patch[1])
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172
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173 def tearDown(self):
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174 for var, val in self.oldenv.iteritems():
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175 if val is None:
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176 del os.environ[var]
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177 else:
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178 os.environ[var] = val
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179 i18n.t = self.oldt
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180 rmtree(self.tmpdir)
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181 os.chdir(self.oldwd)
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182 setattr(ui.ui, self.patch[0].func_name, self.patch[0])
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183
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184 def assertStringEqual(self, l, r):
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185 try:
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186 self.assertEqual(l, r, 'failed string equality check, see stdout for details')
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187 except:
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188 add_nl = lambda li: map(lambda x: x+'\n', li)
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189 print 'failed expectation:'
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190 print ''.join(difflib.unified_diff(
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191 add_nl(l.splitlines()), add_nl(r.splitlines()),
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192 fromfile='expected', tofile='got'))
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193 raise
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194
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195 def ui(self, stupid=False, layout='auto'):
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196 return testui(stupid, layout)
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197
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198 def _load_fixture_and_fetch(self, fixture_name, subdir=None, stupid=False, layout='auto'):
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199 if layout == 'single':
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200 if subdir is None:
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201 subdir = 'trunk'
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202 elif subdir is None:
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203 subdir = ''
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204 return load_fixture_and_fetch(fixture_name, self.repo_path,
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205 self.wc_path, subdir=subdir,
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206 stupid=stupid, layout=layout)
138
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207
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208 # define this as a property so that it reloads anytime we need it
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209 @property
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210 def repo(self):
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211 return hg.repository(testui(), self.wc_path)
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212
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213 def pushrevisions(self, stupid=False, expected_extra_back=0):
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214 before = len(self.repo)
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215 self.repo.ui.setconfig('hgsubversion', 'stupid', str(stupid))
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216 res = commands.push(self.repo.ui, self.repo)
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217 after = len(self.repo)
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218 self.assertEqual(expected_extra_back, after - before)
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219 return res
83
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220
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221 def svnls(self, path, rev='HEAD'):
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222 path = self.repo_path + '/' + path
333
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223 path = util.normalize_url(fileurl(path))
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224 args = ['svn', 'ls', '-r', rev, '-R', path]
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225 p = subprocess.Popen(args,
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226 stdout=subprocess.PIPE,
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227 stderr=subprocess.STDOUT)
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228 stdout, stderr = p.communicate()
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229 if p.returncode:
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230 raise Exception('svn ls failed on %s: %r' % (path, stderr))
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231 entries = [e.strip('/') for e in stdout.splitlines()]
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232 entries.sort()
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233 return entries
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234
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235 def commitchanges(self, changes, parent='tip', message='automated test'):
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236 """Commit changes to mercurial directory
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237
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238 'changes' is a sequence of tuples (source, dest, data). It can look
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diff changeset
239 like:
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240 - (source, source, data) to set source content to data
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241 - (source, dest, None) to set dest content to source one, and mark it as
84
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242 copied from source.
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243 - (source, dest, data) to set dest content to data, and mark it as copied
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244 from source.
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245 - (source, None, None) to remove source.
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246 """
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247 repo = self.repo
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248 parentctx = repo[parent]
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249
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diff changeset
250 changed, removed = [], []
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251 for source, dest, newdata in changes:
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252 if dest is None:
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253 removed.append(source)
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254 else:
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255 changed.append(dest)
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256
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257 def filectxfn(repo, memctx, path):
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diff changeset
258 if path in removed:
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259 raise IOError(errno.ENOENT,
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260 "File \"%s\" no longer exists" % path)
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261 entry = [e for e in changes if path == e[1]][0]
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262 source, dest, newdata = entry
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263 if newdata is None:
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264 newdata = parentctx[source].data()
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265 copied = None
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266 if source != dest:
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267 copied = source
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268 return context.memfilectx(path=dest,
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269 data=newdata,
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270 islink=False,
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271 isexec=False,
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272 copied=copied)
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273
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274 ctx = context.memctx(repo,
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275 (parentctx.node(), node.nullid),
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276 message,
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277 changed + removed,
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278 filectxfn,
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279 'an_author',
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280 '2008-10-07 20:59:48 -0500')
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281 nodeid = repo.commitctx(ctx)
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282 repo = self.repo
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283 hg.clean(repo, nodeid)
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284 return nodeid
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285
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286 def assertchanges(self, changes, ctx):
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287 """Assert that all 'changes' (as in defined in commitchanged())
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288 went into ctx.
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289 """
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290 for source, dest, data in changes:
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291 if dest is None:
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292 self.assertTrue(source not in ctx)
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293 continue
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294 self.assertTrue(dest in ctx)
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295 if data is None:
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296 data = ctx.parents()[0][source].data()
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297 self.assertEqual(ctx[dest].data(), data)
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298 if dest != source:
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299 copy = ctx[dest].renamed()
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300 self.assertEqual(copy[0], source)
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301
621
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302 def assertMultiLineEqual(self, first, second, msg=None):
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303 """Assert that two multi-line strings are equal. (Based on Py3k code.)
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304 """
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305 self.assert_(isinstance(first, str),
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306 ('First argument is not a string'))
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307 self.assert_(isinstance(second, str),
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308 ('Second argument is not a string'))
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309
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310 if first != second:
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311 diff = ''.join(difflib.unified_diff(first.splitlines(True),
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312 second.splitlines(True),
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313 fromfile='a',
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314 tofile='b'))
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315 msg = '%s\n%s' % (msg or '', diff)
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316 raise self.failureException, msg
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317
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318 def draw(self, repo):
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319 """Helper function displaying a repository graph, especially
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320 useful when debugging comprehensive tests.
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321 """
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322 # Could be more elegant, but it works with stock hg
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323 _ui = ui.ui()
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324 _ui.setconfig('extensions', 'graphlog', '')
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325 extensions.loadall(_ui)
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326 graphlog = extensions.find('graphlog')
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327 templ = """\
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328 changeset: {rev}:{node|short}
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329 branch: {branches}
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330 tags: {tags}
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331 summary: {desc|firstline}
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332 files: {files}
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333
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334 """
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335 graphlog.graphlog(_ui, repo, rev=None, template=templ)