Mercurial > hg
annotate tests/test-fastannotate-revmap.py @ 45653:a357688e3c9c
tests: update/remove outdated comments in test-copies-chain-merge.t
1b8fd4af3318 fixed the test case but missed updating the comments mentioning the
bug. Thanks for @martinvonz who spotted these outdated comments.
Differential Revision: https://phab.mercurial-scm.org/D9168
author | Pulkit Goyal <7895pulkit@gmail.com> |
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date | Wed, 07 Oct 2020 13:24:03 +0530 |
parents | 9d2b2df2c2ba |
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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 |
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17 def genhsh(i): |
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18 return pycompat.bytechr(i) + b'\0' * 19 |
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19 |
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20 |
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21 def gettemppath(): |
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22 fd, path = tempfile.mkstemp() |
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23 os.close(fd) |
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24 os.unlink(path) |
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25 return path |
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26 |
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27 |
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28 def ensure(condition): |
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29 if not condition: |
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30 raise RuntimeError('Unexpected') |
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31 |
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32 |
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33 def testbasicreadwrite(): |
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34 path = gettemppath() |
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35 |
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36 rm = revmap.revmap(path) |
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37 ensure(rm.maxrev == 0) |
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38 for i in xrange(5): |
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39 ensure(rm.rev2hsh(i) is None) |
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40 ensure(rm.hsh2rev(b'\0' * 20) is None) |
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41 |
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42 paths = [ |
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43 b'', |
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44 b'a', |
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45 None, |
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46 b'b', |
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47 b'b', |
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48 b'c', |
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49 b'c', |
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50 None, |
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51 b'a', |
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52 b'b', |
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53 b'a', |
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54 b'a', |
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55 ] |
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56 for i in xrange(1, 5): |
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57 ensure(rm.append(genhsh(i), sidebranch=(i & 1), path=paths[i]) == i) |
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58 |
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59 ensure(rm.maxrev == 4) |
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60 for i in xrange(1, 5): |
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61 ensure(rm.hsh2rev(genhsh(i)) == i) |
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62 ensure(rm.rev2hsh(i) == genhsh(i)) |
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63 |
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64 # re-load and verify |
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65 rm.flush() |
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66 rm = revmap.revmap(path) |
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67 ensure(rm.maxrev == 4) |
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68 for i in xrange(1, 5): |
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69 ensure(rm.hsh2rev(genhsh(i)) == i) |
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70 ensure(rm.rev2hsh(i) == genhsh(i)) |
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71 ensure(bool(rm.rev2flag(i) & revmap.sidebranchflag) == bool(i & 1)) |
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72 |
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73 # append without calling save() explicitly |
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74 for i in xrange(5, 12): |
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75 ensure( |
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76 rm.append(genhsh(i), sidebranch=(i & 1), path=paths[i], flush=True) |
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77 == i |
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78 ) |
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79 |
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80 # re-load and verify |
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81 rm = revmap.revmap(path) |
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82 ensure(rm.maxrev == 11) |
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83 for i in xrange(1, 12): |
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84 ensure(rm.hsh2rev(genhsh(i)) == i) |
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85 ensure(rm.rev2hsh(i) == genhsh(i)) |
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86 ensure(rm.rev2path(i) == paths[i] or paths[i - 1]) |
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87 ensure(bool(rm.rev2flag(i) & revmap.sidebranchflag) == bool(i & 1)) |
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88 |
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89 os.unlink(path) |
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90 |
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91 # missing keys |
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92 ensure(rm.rev2hsh(12) is None) |
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93 ensure(rm.rev2hsh(0) is None) |
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94 ensure(rm.rev2hsh(-1) is None) |
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95 ensure(rm.rev2flag(12) is None) |
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96 ensure(rm.rev2path(12) is None) |
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97 ensure(rm.hsh2rev(b'\1' * 20) is None) |
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98 |
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99 # illformed hash (not 20 bytes) |
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100 try: |
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101 rm.append(b'\0') |
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102 ensure(False) |
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103 except Exception: |
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104 pass |
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105 |
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106 |
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107 def testcorruptformat(): |
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108 path = gettemppath() |
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109 |
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110 # incorrect header |
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111 with open(path, 'wb') as f: |
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112 f.write(b'NOT A VALID HEADER') |
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113 try: |
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114 revmap.revmap(path) |
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115 ensure(False) |
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116 except error.CorruptedFileError: |
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117 pass |
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118 |
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119 # rewrite the file |
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120 os.unlink(path) |
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121 rm = revmap.revmap(path) |
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122 rm.append(genhsh(0), flush=True) |
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123 |
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124 rm = revmap.revmap(path) |
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125 ensure(rm.maxrev == 1) |
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126 |
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127 # corrupt the file by appending a byte |
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128 size = os.stat(path).st_size |
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129 with open(path, 'ab') as f: |
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130 f.write(b'\xff') |
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131 try: |
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132 revmap.revmap(path) |
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133 ensure(False) |
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134 except error.CorruptedFileError: |
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135 pass |
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136 |
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137 # corrupt the file by removing the last byte |
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138 ensure(size > 0) |
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139 with open(path, 'wb') as f: |
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140 f.truncate(size - 1) |
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141 try: |
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142 revmap.revmap(path) |
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143 ensure(False) |
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144 except error.CorruptedFileError: |
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145 pass |
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146 |
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147 os.unlink(path) |
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148 |
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149 |
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150 def testcopyfrom(): |
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151 path = gettemppath() |
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152 rm = revmap.revmap(path) |
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153 for i in xrange(1, 10): |
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154 ensure( |
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155 rm.append(genhsh(i), sidebranch=(i & 1), path=(b'%d' % (i // 3))) |
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156 == i |
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157 ) |
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158 rm.flush() |
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159 |
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160 # copy rm to rm2 |
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161 rm2 = revmap.revmap() |
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162 rm2.copyfrom(rm) |
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163 path2 = gettemppath() |
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164 rm2.path = path2 |
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165 rm2.flush() |
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166 |
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167 # two files should be the same |
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168 ensure(len({util.readfile(p) for p in [path, path2]}) == 1) |
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169 |
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170 os.unlink(path) |
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171 os.unlink(path2) |
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172 |
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173 |
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174 class fakefctx(object): |
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175 def __init__(self, node, path=None): |
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176 self._node = node |
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177 self._path = path |
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178 |
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179 def node(self): |
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180 return self._node |
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181 |
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182 def path(self): |
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183 return self._path |
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184 |
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185 |
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186 def testcontains(): |
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187 path = gettemppath() |
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188 |
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189 rm = revmap.revmap(path) |
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190 for i in xrange(1, 5): |
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191 ensure(rm.append(genhsh(i), sidebranch=(i & 1)) == i) |
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192 |
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193 for i in xrange(1, 5): |
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194 ensure(((genhsh(i), None) in rm) == ((i & 1) == 0)) |
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195 ensure((fakefctx(genhsh(i)) in rm) == ((i & 1) == 0)) |
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196 for i in xrange(5, 10): |
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197 ensure(fakefctx(genhsh(i)) not in rm) |
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198 ensure((genhsh(i), None) not in rm) |
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199 |
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200 # "contains" checks paths |
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201 rm = revmap.revmap() |
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202 for i in xrange(1, 5): |
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203 ensure(rm.append(genhsh(i), path=(b'%d' % (i // 2))) == i) |
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204 for i in xrange(1, 5): |
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205 ensure(fakefctx(genhsh(i), path=(b'%d' % (i // 2))) in rm) |
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206 ensure(fakefctx(genhsh(i), path=b'a') not in rm) |
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207 |
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208 |
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209 def testlastnode(): |
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210 path = gettemppath() |
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211 ensure(revmap.getlastnode(path) is None) |
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212 rm = revmap.revmap(path) |
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213 ensure(revmap.getlastnode(path) is None) |
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214 for i in xrange(1, 10): |
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215 hsh = genhsh(i) |
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216 rm.append(hsh, path=(b'%d' % (i // 2)), flush=True) |
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217 ensure(revmap.getlastnode(path) == hsh) |
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218 rm2 = revmap.revmap(path) |
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219 ensure(rm2.rev2hsh(rm2.maxrev) == hsh) |
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220 |
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221 |
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222 testbasicreadwrite() |
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223 testcorruptformat() |
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224 testcopyfrom() |
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225 testcontains() |
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226 testlastnode() |