annotate tests/test-check-interfaces.py @ 42927:d459cd8ea42d

interfaces: introduce an interface for dirstate implementations As usual with adding interface definitions, this describes the way things are, not the way we'd like things to be. There are some clear problems in the interface right now (eg ._map leaks in a few places), but I have plans to clean those up. There are also many missing docstrings, but again, we'll make a second pass to clean that up. Differential Revision: https://phab.mercurial-scm.org/D6836
author Augie Fackler <augie@google.com>
date Tue, 10 Sep 2019 09:21:38 -0400
parents 268662aac075
children 2372284d9457
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1 # Test that certain objects conform to well-defined interfaces.
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2
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3 from __future__ import absolute_import, print_function
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4
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5 from mercurial import encoding
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6 encoding.environ[b'HGREALINTERFACES'] = b'1'
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7
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8 import os
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9 import subprocess
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10 import sys
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11
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12 # Only run if tests are run in a repo
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13 if subprocess.call(['python', '%s/hghave' % os.environ['TESTDIR'],
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14 'test-repo']):
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15 sys.exit(80)
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16
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17 from mercurial.interfaces import (
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18 dirstate as intdirstate,
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19 repository,
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20 )
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21 from mercurial.thirdparty.zope import (
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22 interface as zi,
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23 )
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24 from mercurial.thirdparty.zope.interface import (
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25 verify as ziverify,
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26 )
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27 from mercurial import (
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28 bundlerepo,
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29 dirstate,
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30 filelog,
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31 httppeer,
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32 localrepo,
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33 manifest,
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34 pycompat,
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35 revlog,
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36 sshpeer,
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37 statichttprepo,
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38 ui as uimod,
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39 unionrepo,
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40 vfs as vfsmod,
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41 wireprotoserver,
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42 wireprototypes,
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43 wireprotov1peer,
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44 wireprotov2server,
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45 )
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46
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47 testdir = os.path.dirname(__file__)
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48 rootdir = pycompat.fsencode(os.path.normpath(os.path.join(testdir, '..')))
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49
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50 sys.path[0:0] = [testdir]
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51 import simplestorerepo
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52 del sys.path[0]
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53
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54 def checkzobject(o, allowextra=False):
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55 """Verify an object with a zope interface."""
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56 ifaces = zi.providedBy(o)
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57 if not ifaces:
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58 print('%r does not provide any zope interfaces' % o)
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59 return
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60
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61 # Run zope.interface's built-in verification routine. This verifies that
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62 # everything that is supposed to be present is present.
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63 for iface in ifaces:
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64 ziverify.verifyObject(iface, o)
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65
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66 if allowextra:
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67 return
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68
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69 # Now verify that the object provides no extra public attributes that
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70 # aren't declared as part of interfaces.
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71 allowed = set()
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72 for iface in ifaces:
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73 allowed |= set(iface.names(all=True))
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74
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75 public = {a for a in dir(o) if not a.startswith('_')}
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76
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77 for attr in sorted(public - allowed):
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78 print('public attribute not declared in interfaces: %s.%s' % (
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79 o.__class__.__name__, attr))
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80
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81 # Facilitates testing localpeer.
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82 class dummyrepo(object):
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83 def __init__(self):
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84 self.ui = uimod.ui()
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85 def filtered(self, name):
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86 pass
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87 def _restrictcapabilities(self, caps):
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88 pass
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89
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90 class dummyopener(object):
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91 handlers = []
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92
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93 # Facilitates testing sshpeer without requiring a server.
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94 class badpeer(httppeer.httppeer):
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95 def __init__(self):
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96 super(badpeer, self).__init__(None, None, None, dummyopener(), None,
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97 None)
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98 self.badattribute = True
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99
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100 def badmethod(self):
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101 pass
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102
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103 class dummypipe(object):
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104 def close(self):
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105 pass
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106
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107 def main():
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108 ui = uimod.ui()
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109 # Needed so we can open a local repo with obsstore without a warning.
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110 ui.setconfig(b'experimental', b'evolution.createmarkers', True)
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111
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112 checkzobject(badpeer())
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113
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114 ziverify.verifyClass(repository.ipeerbase, httppeer.httppeer)
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115 checkzobject(httppeer.httppeer(None, None, None, dummyopener(), None, None))
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116
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117 ziverify.verifyClass(repository.ipeerv2, httppeer.httpv2peer)
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118 checkzobject(httppeer.httpv2peer(None, b'', b'', None, None, None))
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119
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120 ziverify.verifyClass(repository.ipeerbase,
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121 localrepo.localpeer)
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122 checkzobject(localrepo.localpeer(dummyrepo()))
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123
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124 ziverify.verifyClass(repository.ipeercommandexecutor,
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125 localrepo.localcommandexecutor)
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126 checkzobject(localrepo.localcommandexecutor(None))
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127
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128 ziverify.verifyClass(repository.ipeercommandexecutor,
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129 wireprotov1peer.peerexecutor)
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130 checkzobject(wireprotov1peer.peerexecutor(None))
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131
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132 ziverify.verifyClass(repository.ipeerbase, sshpeer.sshv1peer)
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133 checkzobject(sshpeer.sshv1peer(ui, b'ssh://localhost/foo', b'', dummypipe(),
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134 dummypipe(), None, None))
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135
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136 ziverify.verifyClass(repository.ipeerbase, sshpeer.sshv2peer)
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137 checkzobject(sshpeer.sshv2peer(ui, b'ssh://localhost/foo', b'', dummypipe(),
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138 dummypipe(), None, None))
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139
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140 ziverify.verifyClass(repository.ipeerbase, bundlerepo.bundlepeer)
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141 checkzobject(bundlerepo.bundlepeer(dummyrepo()))
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142
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143 ziverify.verifyClass(repository.ipeerbase, statichttprepo.statichttppeer)
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144 checkzobject(statichttprepo.statichttppeer(dummyrepo()))
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145
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146 ziverify.verifyClass(repository.ipeerbase, unionrepo.unionpeer)
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147 checkzobject(unionrepo.unionpeer(dummyrepo()))
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148
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149 ziverify.verifyClass(repository.ilocalrepositorymain,
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150 localrepo.localrepository)
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151 ziverify.verifyClass(repository.ilocalrepositoryfilestorage,
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152 localrepo.revlogfilestorage)
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153 repo = localrepo.makelocalrepository(ui, rootdir)
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154 checkzobject(repo)
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155
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156 ziverify.verifyClass(wireprototypes.baseprotocolhandler,
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157 wireprotoserver.sshv1protocolhandler)
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158 ziverify.verifyClass(wireprototypes.baseprotocolhandler,
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159 wireprotoserver.sshv2protocolhandler)
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160 ziverify.verifyClass(wireprototypes.baseprotocolhandler,
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161 wireprotoserver.httpv1protocolhandler)
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162 ziverify.verifyClass(wireprototypes.baseprotocolhandler,
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163 wireprotov2server.httpv2protocolhandler)
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164
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165 sshv1 = wireprotoserver.sshv1protocolhandler(None, None, None)
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166 checkzobject(sshv1)
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167 sshv2 = wireprotoserver.sshv2protocolhandler(None, None, None)
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168 checkzobject(sshv2)
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169
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170 httpv1 = wireprotoserver.httpv1protocolhandler(None, None, None)
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171 checkzobject(httpv1)
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172 httpv2 = wireprotov2server.httpv2protocolhandler(None, None)
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173 checkzobject(httpv2)
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174
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175 ziverify.verifyClass(repository.ifilestorage, filelog.filelog)
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176 ziverify.verifyClass(repository.imanifestdict, manifest.manifestdict)
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177 ziverify.verifyClass(repository.imanifestrevisionstored,
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178 manifest.manifestctx)
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179 ziverify.verifyClass(repository.imanifestrevisionwritable,
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180 manifest.memmanifestctx)
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181 ziverify.verifyClass(repository.imanifestrevisionstored,
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182 manifest.treemanifestctx)
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183 ziverify.verifyClass(repository.imanifestrevisionwritable,
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184 manifest.memtreemanifestctx)
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185 ziverify.verifyClass(repository.imanifestlog, manifest.manifestlog)
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186 ziverify.verifyClass(repository.imanifeststorage, manifest.manifestrevlog)
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187
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188 ziverify.verifyClass(repository.irevisiondelta,
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189 simplestorerepo.simplestorerevisiondelta)
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190 ziverify.verifyClass(repository.ifilestorage, simplestorerepo.filestorage)
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191 ziverify.verifyClass(repository.iverifyproblem,
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192 simplestorerepo.simplefilestoreproblem)
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193
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194 ziverify.verifyClass(intdirstate.idirstate, dirstate.dirstate)
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195
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196 vfs = vfsmod.vfs(b'.')
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197 fl = filelog.filelog(vfs, b'dummy.i')
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198 checkzobject(fl, allowextra=True)
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199
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200 # Conforms to imanifestlog.
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201 ml = manifest.manifestlog(vfs, repo, manifest.manifestrevlog(repo.svfs),
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202 repo.narrowmatch())
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203 checkzobject(ml)
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204 checkzobject(repo.manifestlog)
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205
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206 # Conforms to imanifestrevision.
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207 mctx = ml[repo[0].manifestnode()]
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208 checkzobject(mctx)
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209
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210 # Conforms to imanifestrevisionwritable.
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211 checkzobject(mctx.new())
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212 checkzobject(mctx.copy())
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213
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214 # Conforms to imanifestdict.
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215 checkzobject(mctx.read())
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216
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217 mrl = manifest.manifestrevlog(vfs)
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218 checkzobject(mrl)
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219
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220 ziverify.verifyClass(repository.irevisiondelta,
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221 revlog.revlogrevisiondelta)
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222
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223 rd = revlog.revlogrevisiondelta(
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224 node=b'',
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225 p1node=b'',
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226 p2node=b'',
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227 basenode=b'',
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228 linknode=b'',
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229 flags=b'',
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230 baserevisionsize=None,
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231 revision=b'',
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232 delta=None)
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233 checkzobject(rd)
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234
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235 ziverify.verifyClass(repository.iverifyproblem,
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236 revlog.revlogproblem)
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237 checkzobject(revlog.revlogproblem())
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238
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239 main()