Mercurial > hg
annotate tests/test-remotefilelog-histpack.py @ 47067:ea563187ee7c stable
tests: change the fixer commands to use the buffer attribute on stdio objects
Otherwise `\r` was getting injected into the fixed lines and throwing off the
commit hashes on Windows when the fixer is invoked with py3.
Differential Revision: https://phab.mercurial-scm.org/D10637
author | Matt Harbison <matt_harbison@yahoo.com> |
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date | Sun, 02 May 2021 16:56:20 -0400 |
parents | 89a2afe31e82 |
children | d55b71393907 |
rev | line source |
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1 #!/usr/bin/env python3 |
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2 from __future__ import absolute_import |
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3 |
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4 import hashlib |
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5 import os |
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6 import random |
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7 import shutil |
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8 import stat |
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9 import struct |
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10 import sys |
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11 import tempfile |
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12 import unittest |
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13 |
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14 import silenttestrunner |
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15 |
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16 from mercurial.node import nullid |
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17 from mercurial import ( |
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18 pycompat, |
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19 ui as uimod, |
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20 ) |
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21 |
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22 # Load the local remotefilelog, not the system one |
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23 sys.path[0:0] = [os.path.join(os.path.dirname(__file__), '..')] |
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24 from hgext.remotefilelog import ( |
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25 basepack, |
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26 historypack, |
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27 ) |
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28 |
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29 |
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30 class histpacktests(unittest.TestCase): |
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31 def setUp(self): |
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32 self.tempdirs = [] |
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33 |
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34 def tearDown(self): |
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35 for d in self.tempdirs: |
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36 shutil.rmtree(d) |
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37 |
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38 def makeTempDir(self): |
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39 tempdir = tempfile.mkdtemp() |
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40 self.tempdirs.append(tempdir) |
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41 return pycompat.fsencode(tempdir) |
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42 |
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43 def getHash(self, content): |
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44 return hashlib.sha1(content).digest() |
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45 |
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46 def getFakeHash(self): |
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47 return b''.join( |
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48 pycompat.bytechr(random.randint(0, 255)) for _ in range(20) |
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49 ) |
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50 |
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51 def createPack(self, revisions=None): |
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52 """Creates and returns a historypack containing the specified revisions. |
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53 |
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54 `revisions` is a list of tuples, where each tuple contains a filanem, |
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55 node, p1node, p2node, and linknode. |
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56 """ |
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57 if revisions is None: |
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58 revisions = [ |
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59 ( |
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60 b"filename", |
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61 self.getFakeHash(), |
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62 nullid, |
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63 nullid, |
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64 self.getFakeHash(), |
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65 None, |
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66 ) |
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67 ] |
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68 |
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69 packdir = pycompat.fsencode(self.makeTempDir()) |
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70 packer = historypack.mutablehistorypack(uimod.ui(), packdir, version=2) |
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71 |
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72 for filename, node, p1, p2, linknode, copyfrom in revisions: |
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73 packer.add(filename, node, p1, p2, linknode, copyfrom) |
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74 |
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75 path = packer.close() |
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76 return historypack.historypack(path) |
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77 |
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78 def testAddSingle(self): |
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79 """Test putting a single entry into a pack and reading it out.""" |
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80 filename = b"foo" |
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81 node = self.getFakeHash() |
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82 p1 = self.getFakeHash() |
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83 p2 = self.getFakeHash() |
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84 linknode = self.getFakeHash() |
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85 |
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86 revisions = [(filename, node, p1, p2, linknode, None)] |
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87 pack = self.createPack(revisions) |
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88 |
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89 actual = pack.getancestors(filename, node)[node] |
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90 self.assertEqual(p1, actual[0]) |
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91 self.assertEqual(p2, actual[1]) |
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92 self.assertEqual(linknode, actual[2]) |
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93 |
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94 def testAddMultiple(self): |
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95 """Test putting multiple unrelated revisions into a pack and reading |
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96 them out. |
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97 """ |
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98 revisions = [] |
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99 for i in range(10): |
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100 filename = b"foo-%d" % i |
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101 node = self.getFakeHash() |
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102 p1 = self.getFakeHash() |
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103 p2 = self.getFakeHash() |
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104 linknode = self.getFakeHash() |
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105 revisions.append((filename, node, p1, p2, linknode, None)) |
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106 |
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107 pack = self.createPack(revisions) |
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108 |
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109 for filename, node, p1, p2, linknode, copyfrom in revisions: |
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110 actual = pack.getancestors(filename, node)[node] |
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111 self.assertEqual(p1, actual[0]) |
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112 self.assertEqual(p2, actual[1]) |
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113 self.assertEqual(linknode, actual[2]) |
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114 self.assertEqual(copyfrom, actual[3]) |
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115 |
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116 def testAddAncestorChain(self): |
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117 """Test putting multiple revisions in into a pack and read the ancestor |
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118 chain. |
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119 """ |
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120 revisions = [] |
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121 filename = b"foo" |
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122 lastnode = nullid |
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123 for i in range(10): |
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124 node = self.getFakeHash() |
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125 revisions.append((filename, node, lastnode, nullid, nullid, None)) |
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126 lastnode = node |
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127 |
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128 # revisions must be added in topological order, newest first |
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129 revisions = list(reversed(revisions)) |
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130 pack = self.createPack(revisions) |
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131 |
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132 # Test that the chain has all the entries |
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133 ancestors = pack.getancestors(revisions[0][0], revisions[0][1]) |
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134 for filename, node, p1, p2, linknode, copyfrom in revisions: |
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135 ap1, ap2, alinknode, acopyfrom = ancestors[node] |
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136 self.assertEqual(ap1, p1) |
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137 self.assertEqual(ap2, p2) |
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138 self.assertEqual(alinknode, linknode) |
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139 self.assertEqual(acopyfrom, copyfrom) |
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140 |
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141 def testPackMany(self): |
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142 """Pack many related and unrelated ancestors.""" |
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143 # Build a random pack file |
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144 allentries = {} |
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145 ancestorcounts = {} |
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146 revisions = [] |
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147 random.seed(0) |
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148 for i in range(100): |
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149 filename = b"filename-%d" % i |
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150 entries = [] |
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151 p2 = nullid |
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152 linknode = nullid |
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153 for j in range(random.randint(1, 100)): |
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154 node = self.getFakeHash() |
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155 p1 = nullid |
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156 if len(entries) > 0: |
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157 p1 = entries[random.randint(0, len(entries) - 1)] |
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158 entries.append(node) |
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159 revisions.append((filename, node, p1, p2, linknode, None)) |
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160 allentries[(filename, node)] = (p1, p2, linknode) |
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161 if p1 == nullid: |
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162 ancestorcounts[(filename, node)] = 1 |
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163 else: |
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164 newcount = ancestorcounts[(filename, p1)] + 1 |
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165 ancestorcounts[(filename, node)] = newcount |
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166 |
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167 # Must add file entries in reverse topological order |
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168 revisions = list(reversed(revisions)) |
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169 pack = self.createPack(revisions) |
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170 |
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171 # Verify the pack contents |
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172 for (filename, node) in allentries: |
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173 ancestors = pack.getancestors(filename, node) |
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174 self.assertEqual(ancestorcounts[(filename, node)], len(ancestors)) |
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175 for anode, (ap1, ap2, alinknode, copyfrom) in ancestors.items(): |
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176 ep1, ep2, elinknode = allentries[(filename, anode)] |
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177 self.assertEqual(ap1, ep1) |
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178 self.assertEqual(ap2, ep2) |
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179 self.assertEqual(alinknode, elinknode) |
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180 self.assertEqual(copyfrom, None) |
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181 |
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182 def testGetNodeInfo(self): |
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183 revisions = [] |
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184 filename = b"foo" |
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185 lastnode = nullid |
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186 for i in range(10): |
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187 node = self.getFakeHash() |
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188 revisions.append((filename, node, lastnode, nullid, nullid, None)) |
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189 lastnode = node |
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190 |
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191 pack = self.createPack(revisions) |
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192 |
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193 # Test that getnodeinfo returns the expected results |
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194 for filename, node, p1, p2, linknode, copyfrom in revisions: |
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195 ap1, ap2, alinknode, acopyfrom = pack.getnodeinfo(filename, node) |
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196 self.assertEqual(ap1, p1) |
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197 self.assertEqual(ap2, p2) |
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198 self.assertEqual(alinknode, linknode) |
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199 self.assertEqual(acopyfrom, copyfrom) |
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200 |
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201 def testGetMissing(self): |
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202 """Test the getmissing() api.""" |
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203 revisions = [] |
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204 filename = b"foo" |
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205 for i in range(10): |
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206 node = self.getFakeHash() |
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207 p1 = self.getFakeHash() |
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208 p2 = self.getFakeHash() |
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209 linknode = self.getFakeHash() |
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210 revisions.append((filename, node, p1, p2, linknode, None)) |
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211 |
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212 pack = self.createPack(revisions) |
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213 |
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214 missing = pack.getmissing([(filename, revisions[0][1])]) |
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215 self.assertFalse(missing) |
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216 |
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217 missing = pack.getmissing( |
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218 [(filename, revisions[0][1]), (filename, revisions[1][1])] |
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219 ) |
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220 self.assertFalse(missing) |
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221 |
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222 fakenode = self.getFakeHash() |
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223 missing = pack.getmissing( |
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224 [(filename, revisions[0][1]), (filename, fakenode)] |
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225 ) |
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226 self.assertEqual(missing, [(filename, fakenode)]) |
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227 |
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228 # Test getmissing on a non-existant filename |
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229 missing = pack.getmissing([(b"bar", fakenode)]) |
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230 self.assertEqual(missing, [(b"bar", fakenode)]) |
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231 |
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232 def testAddThrows(self): |
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233 pack = self.createPack() |
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234 |
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235 try: |
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236 pack.add(b'filename', nullid, nullid, nullid, nullid, None) |
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237 self.assertTrue(False, "historypack.add should throw") |
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238 except RuntimeError: |
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239 pass |
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240 |
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241 def testBadVersionThrows(self): |
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242 pack = self.createPack() |
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243 path = pack.path + b'.histpack' |
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244 with open(path, 'rb') as f: |
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245 raw = f.read() |
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246 raw = struct.pack('!B', 255) + raw[1:] |
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247 os.chmod(path, os.stat(path).st_mode | stat.S_IWRITE) |
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248 with open(path, 'wb+') as f: |
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249 f.write(raw) |
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250 |
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251 try: |
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252 historypack.historypack(pack.path) |
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253 self.assertTrue(False, "bad version number should have thrown") |
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254 except RuntimeError: |
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255 pass |
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256 |
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257 def testLargePack(self): |
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258 """Test creating and reading from a large pack with over X entries. |
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259 This causes it to use a 2^16 fanout table instead.""" |
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260 total = basepack.SMALLFANOUTCUTOFF + 1 |
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261 revisions = [] |
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262 for i in pycompat.xrange(total): |
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263 filename = b"foo-%d" % i |
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264 node = self.getFakeHash() |
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265 p1 = self.getFakeHash() |
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266 p2 = self.getFakeHash() |
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267 linknode = self.getFakeHash() |
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268 revisions.append((filename, node, p1, p2, linknode, None)) |
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269 |
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270 pack = self.createPack(revisions) |
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271 self.assertEqual(pack.params.fanoutprefix, basepack.LARGEFANOUTPREFIX) |
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272 |
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273 for filename, node, p1, p2, linknode, copyfrom in revisions: |
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274 actual = pack.getancestors(filename, node)[node] |
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275 self.assertEqual(p1, actual[0]) |
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276 self.assertEqual(p2, actual[1]) |
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277 self.assertEqual(linknode, actual[2]) |
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278 self.assertEqual(copyfrom, actual[3]) |
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279 |
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280 |
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281 # TODO: |
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282 # histpack store: |
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283 # - repack two packs into one |
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284 |
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285 if __name__ == '__main__': |
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286 if pycompat.iswindows: |
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287 sys.exit(80) # Skip on Windows |
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288 silenttestrunner.main(__name__) |