Mercurial > hg
annotate tests/test-fastannotate-revmap.py @ 40417:49c7b701fdc2 stable
phase: add an archived phase
This phase allows for hidden changesets in the "user space". It differs from
the "internal" phase which is intended for internal by-product only. There
have been discussions at the 4.8 sprint to use such phase to speedup cleanup
after history rewriting operation.
Shipping it in the same release as the 'internal-phase' groups the associated
`requires` entry. The important bit is to have support for this phase in the
earliest version of mercurial possible. Adding the UI to manipulate this new
phase later seems fine.
The current plan for archived usage and user interface are as follow. On a
repository with internal-phase on and evolution off:
* history rewriting command set rewritten changeset in the archived phase.
(This mean updating the cleanupnodes method).
* keep `hg unbundle .hg/strip-backup/X.hg` as a way to restore changeset for
now
(backup bundle need to contains phase data)
* [maybe] add a `hg strip --soft` advance flag
(a light way to expose the feature without getting in the way of a better
UI)
Mercurial 4.8 freeze is too close to get the above in by then.
We don't introduce a new repository `requirement` as we reuse the one
introduced with the 'archived' phase during the 4.8 cycle.
author | Boris Feld <boris.feld@octobus.net> |
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date | Wed, 17 Oct 2018 14:47:01 +0200 |
parents | aa95fd0257df |
children | 5fd63bca43a4 |
rev | line source |
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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 chr(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 = ['', 'a', None, 'b', 'b', 'c', 'c', None, 'a', 'b', 'a', 'a'] |
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39 for i in xrange(1, 5): |
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40 ensure(rm.append(genhsh(i), sidebranch=(i & 1), path=paths[i]) == i) |
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41 |
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42 ensure(rm.maxrev == 4) |
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43 for i in xrange(1, 5): |
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44 ensure(rm.hsh2rev(genhsh(i)) == i) |
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45 ensure(rm.rev2hsh(i) == genhsh(i)) |
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46 |
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47 # re-load and verify |
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48 rm.flush() |
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49 rm = revmap.revmap(path) |
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50 ensure(rm.maxrev == 4) |
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51 for i in xrange(1, 5): |
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52 ensure(rm.hsh2rev(genhsh(i)) == i) |
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53 ensure(rm.rev2hsh(i) == genhsh(i)) |
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54 ensure(bool(rm.rev2flag(i) & revmap.sidebranchflag) == bool(i & 1)) |
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55 |
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56 # append without calling save() explicitly |
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57 for i in xrange(5, 12): |
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58 ensure(rm.append(genhsh(i), sidebranch=(i & 1), path=paths[i], |
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59 flush=True) == i) |
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60 |
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61 # re-load and verify |
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62 rm = revmap.revmap(path) |
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63 ensure(rm.maxrev == 11) |
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64 for i in xrange(1, 12): |
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65 ensure(rm.hsh2rev(genhsh(i)) == i) |
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66 ensure(rm.rev2hsh(i) == genhsh(i)) |
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67 ensure(rm.rev2path(i) == paths[i] or paths[i - 1]) |
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68 ensure(bool(rm.rev2flag(i) & revmap.sidebranchflag) == bool(i & 1)) |
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69 |
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70 os.unlink(path) |
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71 |
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72 # missing keys |
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73 ensure(rm.rev2hsh(12) is None) |
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74 ensure(rm.rev2hsh(0) is None) |
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75 ensure(rm.rev2hsh(-1) is None) |
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76 ensure(rm.rev2flag(12) is None) |
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77 ensure(rm.rev2path(12) is None) |
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78 ensure(rm.hsh2rev(b'\1' * 20) is None) |
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79 |
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80 # illformed hash (not 20 bytes) |
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81 try: |
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82 rm.append(b'\0') |
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83 ensure(False) |
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84 except Exception: |
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85 pass |
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86 |
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87 def testcorruptformat(): |
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88 path = gettemppath() |
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89 |
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90 # incorrect header |
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91 with open(path, 'w') as f: |
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92 f.write(b'NOT A VALID HEADER') |
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93 try: |
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94 revmap.revmap(path) |
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95 ensure(False) |
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96 except error.CorruptedFileError: |
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97 pass |
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98 |
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99 # rewrite the file |
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100 os.unlink(path) |
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101 rm = revmap.revmap(path) |
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102 rm.append(genhsh(0), flush=True) |
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103 |
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104 rm = revmap.revmap(path) |
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105 ensure(rm.maxrev == 1) |
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106 |
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107 # corrupt the file by appending a byte |
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108 size = os.stat(path).st_size |
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109 with open(path, 'a') as f: |
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110 f.write('\xff') |
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111 try: |
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112 revmap.revmap(path) |
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113 ensure(False) |
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114 except error.CorruptedFileError: |
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115 pass |
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116 |
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117 # corrupt the file by removing the last byte |
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118 ensure(size > 0) |
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119 with open(path, 'w') as f: |
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120 f.truncate(size - 1) |
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121 try: |
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122 revmap.revmap(path) |
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123 ensure(False) |
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124 except error.CorruptedFileError: |
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125 pass |
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126 |
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127 os.unlink(path) |
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128 |
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129 def testcopyfrom(): |
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130 path = gettemppath() |
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131 rm = revmap.revmap(path) |
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132 for i in xrange(1, 10): |
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133 ensure(rm.append(genhsh(i), sidebranch=(i & 1), path=str(i // 3)) == i) |
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134 rm.flush() |
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135 |
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136 # copy rm to rm2 |
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137 rm2 = revmap.revmap() |
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138 rm2.copyfrom(rm) |
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139 path2 = gettemppath() |
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140 rm2.path = path2 |
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141 rm2.flush() |
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142 |
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143 # two files should be the same |
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144 ensure(len(set(util.readfile(p) for p in [path, path2])) == 1) |
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145 |
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146 os.unlink(path) |
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147 os.unlink(path2) |
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148 |
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149 class fakefctx(object): |
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150 def __init__(self, node, path=None): |
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151 self._node = node |
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152 self._path = path |
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153 |
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154 def node(self): |
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155 return self._node |
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156 |
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157 def path(self): |
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158 return self._path |
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159 |
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160 def testcontains(): |
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161 path = gettemppath() |
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162 |
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163 rm = revmap.revmap(path) |
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164 for i in xrange(1, 5): |
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165 ensure(rm.append(genhsh(i), sidebranch=(i & 1)) == i) |
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166 |
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167 for i in xrange(1, 5): |
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168 ensure(((genhsh(i), None) in rm) == ((i & 1) == 0)) |
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169 ensure((fakefctx(genhsh(i)) in rm) == ((i & 1) == 0)) |
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170 for i in xrange(5, 10): |
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171 ensure(fakefctx(genhsh(i)) not in rm) |
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172 ensure((genhsh(i), None) not in rm) |
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173 |
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174 # "contains" checks paths |
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175 rm = revmap.revmap() |
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176 for i in xrange(1, 5): |
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177 ensure(rm.append(genhsh(i), path=str(i // 2)) == i) |
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178 for i in xrange(1, 5): |
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179 ensure(fakefctx(genhsh(i), path=str(i // 2)) in rm) |
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180 ensure(fakefctx(genhsh(i), path='a') not in rm) |
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181 |
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182 def testlastnode(): |
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183 path = gettemppath() |
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184 ensure(revmap.getlastnode(path) is None) |
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185 rm = revmap.revmap(path) |
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186 ensure(revmap.getlastnode(path) is None) |
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187 for i in xrange(1, 10): |
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188 hsh = genhsh(i) |
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189 rm.append(hsh, path=str(i // 2), flush=True) |
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190 ensure(revmap.getlastnode(path) == hsh) |
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191 rm2 = revmap.revmap(path) |
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192 ensure(rm2.rev2hsh(rm2.maxrev) == hsh) |
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193 |
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194 testbasicreadwrite() |
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195 testcorruptformat() |
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196 testcopyfrom() |
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197 testcontains() |
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198 testlastnode() |