Mercurial > hg
annotate tests/test-fastannotate-revmap.py @ 42813:268662aac075
interfaces: create a new folder for interfaces and move repository.py in it
I was trying to understand current interfaces and write new ones and I realized
we need to improve how current interfaces are organised. This creates a
dedicated folder for defining interfaces and move `repository.py` which defines
all the current interfaces inside it.
Differential Revision: https://phab.mercurial-scm.org/D6741
author | Pulkit Goyal <pulkit@yandex-team.ru> |
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date | Sun, 18 Aug 2019 00:45:33 +0300 |
parents | 0fea133780bf |
children | 2372284d9457 |
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1 from __future__ import absolute_import, print_function |
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2 |
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3 import os |
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4 import tempfile |
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5 |
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6 from mercurial import ( |
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7 pycompat, |
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8 util, |
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9 ) |
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10 |
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11 from hgext.fastannotate import error, revmap |
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12 |
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13 if pycompat.ispy3: |
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14 xrange = range |
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15 |
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16 def genhsh(i): |
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17 return pycompat.bytechr(i) + b'\0' * 19 |
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18 |
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19 def gettemppath(): |
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20 fd, path = tempfile.mkstemp() |
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21 os.close(fd) |
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22 os.unlink(path) |
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23 return path |
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24 |
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25 def ensure(condition): |
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26 if not condition: |
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27 raise RuntimeError('Unexpected') |
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28 |
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29 def testbasicreadwrite(): |
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30 path = gettemppath() |
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31 |
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32 rm = revmap.revmap(path) |
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33 ensure(rm.maxrev == 0) |
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34 for i in xrange(5): |
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35 ensure(rm.rev2hsh(i) is None) |
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36 ensure(rm.hsh2rev(b'\0' * 20) is None) |
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37 |
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38 paths = [ |
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39 b'', b'a', None, b'b', b'b', b'c', b'c', None, b'a', b'b', b'a', b'a'] |
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40 for i in xrange(1, 5): |
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41 ensure(rm.append(genhsh(i), sidebranch=(i & 1), path=paths[i]) == i) |
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42 |
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43 ensure(rm.maxrev == 4) |
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44 for i in xrange(1, 5): |
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45 ensure(rm.hsh2rev(genhsh(i)) == i) |
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46 ensure(rm.rev2hsh(i) == genhsh(i)) |
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47 |
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48 # re-load and verify |
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49 rm.flush() |
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50 rm = revmap.revmap(path) |
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51 ensure(rm.maxrev == 4) |
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52 for i in xrange(1, 5): |
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53 ensure(rm.hsh2rev(genhsh(i)) == i) |
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54 ensure(rm.rev2hsh(i) == genhsh(i)) |
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55 ensure(bool(rm.rev2flag(i) & revmap.sidebranchflag) == bool(i & 1)) |
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56 |
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57 # append without calling save() explicitly |
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58 for i in xrange(5, 12): |
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59 ensure(rm.append(genhsh(i), sidebranch=(i & 1), path=paths[i], |
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60 flush=True) == i) |
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61 |
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62 # re-load and verify |
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63 rm = revmap.revmap(path) |
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64 ensure(rm.maxrev == 11) |
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65 for i in xrange(1, 12): |
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66 ensure(rm.hsh2rev(genhsh(i)) == i) |
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67 ensure(rm.rev2hsh(i) == genhsh(i)) |
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68 ensure(rm.rev2path(i) == paths[i] or paths[i - 1]) |
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69 ensure(bool(rm.rev2flag(i) & revmap.sidebranchflag) == bool(i & 1)) |
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70 |
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71 os.unlink(path) |
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72 |
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73 # missing keys |
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74 ensure(rm.rev2hsh(12) is None) |
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75 ensure(rm.rev2hsh(0) is None) |
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76 ensure(rm.rev2hsh(-1) is None) |
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77 ensure(rm.rev2flag(12) is None) |
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78 ensure(rm.rev2path(12) is None) |
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79 ensure(rm.hsh2rev(b'\1' * 20) is None) |
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80 |
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81 # illformed hash (not 20 bytes) |
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82 try: |
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83 rm.append(b'\0') |
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84 ensure(False) |
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85 except Exception: |
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86 pass |
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87 |
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88 def testcorruptformat(): |
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89 path = gettemppath() |
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90 |
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91 # incorrect header |
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92 with open(path, 'wb') as f: |
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93 f.write(b'NOT A VALID HEADER') |
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94 try: |
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95 revmap.revmap(path) |
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96 ensure(False) |
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97 except error.CorruptedFileError: |
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98 pass |
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99 |
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100 # rewrite the file |
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101 os.unlink(path) |
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102 rm = revmap.revmap(path) |
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103 rm.append(genhsh(0), flush=True) |
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104 |
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105 rm = revmap.revmap(path) |
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106 ensure(rm.maxrev == 1) |
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107 |
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108 # corrupt the file by appending a byte |
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109 size = os.stat(path).st_size |
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110 with open(path, 'ab') as f: |
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111 f.write(b'\xff') |
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112 try: |
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113 revmap.revmap(path) |
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114 ensure(False) |
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115 except error.CorruptedFileError: |
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116 pass |
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117 |
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118 # corrupt the file by removing the last byte |
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119 ensure(size > 0) |
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120 with open(path, 'wb') as f: |
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121 f.truncate(size - 1) |
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122 try: |
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123 revmap.revmap(path) |
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124 ensure(False) |
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125 except error.CorruptedFileError: |
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126 pass |
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127 |
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128 os.unlink(path) |
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129 |
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130 def testcopyfrom(): |
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131 path = gettemppath() |
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132 rm = revmap.revmap(path) |
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133 for i in xrange(1, 10): |
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134 ensure(rm.append(genhsh(i), |
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135 sidebranch=(i & 1), path=(b'%d' % (i // 3))) == i) |
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136 rm.flush() |
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137 |
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138 # copy rm to rm2 |
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139 rm2 = revmap.revmap() |
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140 rm2.copyfrom(rm) |
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141 path2 = gettemppath() |
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142 rm2.path = path2 |
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143 rm2.flush() |
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144 |
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145 # two files should be the same |
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146 ensure(len(set(util.readfile(p) for p in [path, path2])) == 1) |
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147 |
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148 os.unlink(path) |
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149 os.unlink(path2) |
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150 |
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151 class fakefctx(object): |
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152 def __init__(self, node, path=None): |
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153 self._node = node |
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154 self._path = path |
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155 |
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156 def node(self): |
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157 return self._node |
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158 |
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159 def path(self): |
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160 return self._path |
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161 |
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162 def testcontains(): |
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163 path = gettemppath() |
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164 |
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165 rm = revmap.revmap(path) |
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166 for i in xrange(1, 5): |
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167 ensure(rm.append(genhsh(i), sidebranch=(i & 1)) == i) |
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168 |
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169 for i in xrange(1, 5): |
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170 ensure(((genhsh(i), None) in rm) == ((i & 1) == 0)) |
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171 ensure((fakefctx(genhsh(i)) in rm) == ((i & 1) == 0)) |
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172 for i in xrange(5, 10): |
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173 ensure(fakefctx(genhsh(i)) not in rm) |
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174 ensure((genhsh(i), None) not in rm) |
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175 |
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176 # "contains" checks paths |
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177 rm = revmap.revmap() |
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178 for i in xrange(1, 5): |
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179 ensure(rm.append(genhsh(i), path=(b'%d' % (i // 2))) == i) |
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180 for i in xrange(1, 5): |
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181 ensure(fakefctx(genhsh(i), path=(b'%d' % (i // 2))) in rm) |
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182 ensure(fakefctx(genhsh(i), path=b'a') not in rm) |
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183 |
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184 def testlastnode(): |
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185 path = gettemppath() |
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186 ensure(revmap.getlastnode(path) is None) |
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187 rm = revmap.revmap(path) |
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188 ensure(revmap.getlastnode(path) is None) |
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189 for i in xrange(1, 10): |
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190 hsh = genhsh(i) |
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191 rm.append(hsh, path=(b'%d' % (i // 2)), flush=True) |
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192 ensure(revmap.getlastnode(path) == hsh) |
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193 rm2 = revmap.revmap(path) |
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194 ensure(rm2.rev2hsh(rm2.maxrev) == hsh) |
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195 |
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196 testbasicreadwrite() |
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197 testcorruptformat() |
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198 testcopyfrom() |
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199 testcontains() |
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200 testlastnode() |