annotate tests/test-fastannotate-revmap.py @ 50825:973fbb27ab45

backout: migrate `opts` to native kwargs It will take a bit to unwind `cmdutil.commit`, so there's a conversion to byteskwargs there, without changing the type of `opts` in this function. That's also useful to flag it as needing to be changed.
author Matt Harbison <matt_harbison@yahoo.com>
date Sun, 20 Aug 2023 00:27:27 -0400
parents 56f98406831b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 import os
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2 import tempfile
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3
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4 from mercurial import (
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5 pycompat,
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6 util,
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7 )
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8
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9 from hgext.fastannotate import error, revmap
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10
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11
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12 def genhsh(i):
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13 return pycompat.bytechr(i) + b'\0' * 19
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15
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16 def gettemppath():
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17 fd, path = tempfile.mkstemp()
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18 os.close(fd)
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19 os.unlink(path)
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20 return path
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21
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23 def ensure(condition):
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24 if not condition:
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25 raise RuntimeError('Unexpected')
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27
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28 def testbasicreadwrite():
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29 path = gettemppath()
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30
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31 rm = revmap.revmap(path)
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32 ensure(rm.maxrev == 0)
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33 for i in range(5):
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34 ensure(rm.rev2hsh(i) is None)
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35 ensure(rm.hsh2rev(b'\0' * 20) is None)
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36
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37 paths = [
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38 b'',
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39 b'a',
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40 None,
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41 b'b',
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42 b'b',
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43 b'c',
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44 b'c',
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45 None,
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46 b'a',
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47 b'b',
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48 b'a',
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49 b'a',
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50 ]
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51 for i in range(1, 5):
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52 ensure(rm.append(genhsh(i), sidebranch=(i & 1), path=paths[i]) == i)
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53
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54 ensure(rm.maxrev == 4)
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55 for i in range(1, 5):
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56 ensure(rm.hsh2rev(genhsh(i)) == i)
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57 ensure(rm.rev2hsh(i) == genhsh(i))
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58
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59 # re-load and verify
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60 rm.flush()
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61 rm = revmap.revmap(path)
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62 ensure(rm.maxrev == 4)
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63 for i in range(1, 5):
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64 ensure(rm.hsh2rev(genhsh(i)) == i)
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65 ensure(rm.rev2hsh(i) == genhsh(i))
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66 ensure(bool(rm.rev2flag(i) & revmap.sidebranchflag) == bool(i & 1))
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67
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68 # append without calling save() explicitly
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69 for i in range(5, 12):
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70 ensure(
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71 rm.append(genhsh(i), sidebranch=(i & 1), path=paths[i], flush=True)
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72 == i
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73 )
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75 # re-load and verify
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76 rm = revmap.revmap(path)
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77 ensure(rm.maxrev == 11)
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78 for i in range(1, 12):
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79 ensure(rm.hsh2rev(genhsh(i)) == i)
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80 ensure(rm.rev2hsh(i) == genhsh(i))
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81 ensure(rm.rev2path(i) == paths[i] or paths[i - 1])
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82 ensure(bool(rm.rev2flag(i) & revmap.sidebranchflag) == bool(i & 1))
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83
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84 os.unlink(path)
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85
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86 # missing keys
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87 ensure(rm.rev2hsh(12) is None)
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88 ensure(rm.rev2hsh(0) is None)
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89 ensure(rm.rev2hsh(-1) is None)
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90 ensure(rm.rev2flag(12) is None)
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91 ensure(rm.rev2path(12) is None)
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92 ensure(rm.hsh2rev(b'\1' * 20) is None)
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93
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94 # illformed hash (not 20 bytes)
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95 try:
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96 rm.append(b'\0')
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97 ensure(False)
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98 except Exception:
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99 pass
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100
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101
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102 def testcorruptformat():
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103 path = gettemppath()
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104
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105 # incorrect header
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106 with open(path, 'wb') as f:
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107 f.write(b'NOT A VALID HEADER')
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108 try:
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109 revmap.revmap(path)
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110 ensure(False)
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111 except error.CorruptedFileError:
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112 pass
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113
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114 # rewrite the file
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115 os.unlink(path)
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116 rm = revmap.revmap(path)
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117 rm.append(genhsh(0), flush=True)
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118
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119 rm = revmap.revmap(path)
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120 ensure(rm.maxrev == 1)
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121
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122 # corrupt the file by appending a byte
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123 size = os.stat(path).st_size
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124 with open(path, 'ab') as f:
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125 f.write(b'\xff')
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126 try:
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127 revmap.revmap(path)
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128 ensure(False)
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129 except error.CorruptedFileError:
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130 pass
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131
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132 # corrupt the file by removing the last byte
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133 ensure(size > 0)
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134 with open(path, 'wb') as f:
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135 f.truncate(size - 1)
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136 try:
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137 revmap.revmap(path)
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138 ensure(False)
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139 except error.CorruptedFileError:
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140 pass
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141
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142 os.unlink(path)
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143
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144
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145 def testcopyfrom():
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146 path = gettemppath()
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147 rm = revmap.revmap(path)
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148 for i in range(1, 10):
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149 ensure(
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150 rm.append(genhsh(i), sidebranch=(i & 1), path=(b'%d' % (i // 3)))
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151 == i
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152 )
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153 rm.flush()
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154
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155 # copy rm to rm2
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156 rm2 = revmap.revmap()
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157 rm2.copyfrom(rm)
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158 path2 = gettemppath()
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159 rm2.path = path2
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160 rm2.flush()
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161
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162 # two files should be the same
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163 ensure(len({util.readfile(p) for p in [path, path2]}) == 1)
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164
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165 os.unlink(path)
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166 os.unlink(path2)
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167
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168
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169 class fakefctx:
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170 def __init__(self, node, path=None):
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171 self._node = node
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172 self._path = path
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173
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174 def node(self):
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175 return self._node
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176
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177 def path(self):
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178 return self._path
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179
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180
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181 def testcontains():
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182 path = gettemppath()
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183
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184 rm = revmap.revmap(path)
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185 for i in range(1, 5):
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186 ensure(rm.append(genhsh(i), sidebranch=(i & 1)) == i)
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187
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188 for i in range(1, 5):
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189 ensure(((genhsh(i), None) in rm) == ((i & 1) == 0))
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190 ensure((fakefctx(genhsh(i)) in rm) == ((i & 1) == 0))
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191 for i in range(5, 10):
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192 ensure(fakefctx(genhsh(i)) not in rm)
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193 ensure((genhsh(i), None) not in rm)
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194
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195 # "contains" checks paths
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196 rm = revmap.revmap()
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197 for i in range(1, 5):
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198 ensure(rm.append(genhsh(i), path=(b'%d' % (i // 2))) == i)
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199 for i in range(1, 5):
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200 ensure(fakefctx(genhsh(i), path=(b'%d' % (i // 2))) in rm)
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201 ensure(fakefctx(genhsh(i), path=b'a') not in rm)
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202
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203
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204 def testlastnode():
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205 path = gettemppath()
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206 ensure(revmap.getlastnode(path) is None)
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207 rm = revmap.revmap(path)
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208 ensure(revmap.getlastnode(path) is None)
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209 for i in range(1, 10):
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210 hsh = genhsh(i)
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211 rm.append(hsh, path=(b'%d' % (i // 2)), flush=True)
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212 ensure(revmap.getlastnode(path) == hsh)
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213 rm2 = revmap.revmap(path)
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214 ensure(rm2.rev2hsh(rm2.maxrev) == hsh)
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215
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216
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217 testbasicreadwrite()
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218 testcorruptformat()
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219 testcopyfrom()
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220 testcontains()
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221 testlastnode()