Mercurial > hg
annotate tests/test-manifest.py @ 46529:33350debb480 stable
patch: make diff --git to differentiate b/w file is empty or doesn't exists
Before this patch, as we didn't differentiate the two cases of a file in a context:
1. File doesn't exists
2. File is empty
which causes the blob id to be same for both the cases.
Now we use `nullhex` for a file which doesn't exists in a context (aligning it with
the git diff format)
Changes in test file reflect the fixed behavior.
Differential Revision: https://phab.mercurial-scm.org/D10001
author | Sushil khanchi <sushilkhanchi97@gmail.com> |
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date | Tue, 16 Feb 2021 15:44:51 +0530 |
parents | 89a2afe31e82 |
children | 6266d19556ad |
rev | line source |
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1 from __future__ import absolute_import |
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2 |
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3 import binascii |
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4 import itertools |
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5 import silenttestrunner |
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6 import unittest |
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7 import zlib |
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8 |
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9 from mercurial import ( |
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10 manifest as manifestmod, |
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11 match as matchmod, |
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12 util, |
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13 ) |
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14 |
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15 EMTPY_MANIFEST = b'' |
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16 |
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17 HASH_1 = b'1' * 40 |
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18 BIN_HASH_1 = binascii.unhexlify(HASH_1) |
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19 HASH_2 = b'f' * 40 |
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20 BIN_HASH_2 = binascii.unhexlify(HASH_2) |
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21 HASH_3 = b'1234567890abcdef0987654321deadbeef0fcafe' |
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22 BIN_HASH_3 = binascii.unhexlify(HASH_3) |
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23 A_SHORT_MANIFEST = ( |
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24 b'bar/baz/qux.py\0%(hash2)s%(flag2)s\n' b'foo\0%(hash1)s%(flag1)s\n' |
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25 ) % { |
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26 b'hash1': HASH_1, |
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27 b'flag1': b'', |
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28 b'hash2': HASH_2, |
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29 b'flag2': b'l', |
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30 } |
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31 |
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32 A_DEEPER_MANIFEST = ( |
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33 b'a/b/c/bar.py\0%(hash3)s%(flag1)s\n' |
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34 b'a/b/c/bar.txt\0%(hash1)s%(flag1)s\n' |
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35 b'a/b/c/foo.py\0%(hash3)s%(flag1)s\n' |
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36 b'a/b/c/foo.txt\0%(hash2)s%(flag2)s\n' |
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37 b'a/b/d/baz.py\0%(hash3)s%(flag1)s\n' |
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38 b'a/b/d/qux.py\0%(hash1)s%(flag2)s\n' |
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39 b'a/b/d/ten.txt\0%(hash3)s%(flag2)s\n' |
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40 b'a/b/dog.py\0%(hash3)s%(flag1)s\n' |
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41 b'a/b/fish.py\0%(hash2)s%(flag1)s\n' |
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42 b'a/c/london.py\0%(hash3)s%(flag2)s\n' |
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43 b'a/c/paper.txt\0%(hash2)s%(flag2)s\n' |
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44 b'a/c/paris.py\0%(hash2)s%(flag1)s\n' |
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45 b'a/d/apple.py\0%(hash3)s%(flag1)s\n' |
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46 b'a/d/pizza.py\0%(hash3)s%(flag2)s\n' |
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47 b'a/green.py\0%(hash1)s%(flag2)s\n' |
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48 b'a/purple.py\0%(hash2)s%(flag1)s\n' |
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49 b'app.py\0%(hash3)s%(flag1)s\n' |
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50 b'readme.txt\0%(hash2)s%(flag1)s\n' |
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51 ) % { |
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52 b'hash1': HASH_1, |
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53 b'flag1': b'', |
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54 b'hash2': HASH_2, |
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55 b'flag2': b'l', |
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56 b'hash3': HASH_3, |
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57 } |
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58 |
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59 HUGE_MANIFEST_ENTRIES = 200001 |
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60 |
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61 izip = getattr(itertools, 'izip', zip) |
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62 if 'xrange' not in globals(): |
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63 xrange = range |
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64 |
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65 A_HUGE_MANIFEST = b''.join( |
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66 sorted( |
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67 b'file%d\0%s%s\n' % (i, h, f) |
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68 for i, h, f in izip( |
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69 xrange(200001), |
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70 itertools.cycle((HASH_1, HASH_2)), |
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71 itertools.cycle((b'', b'x', b'l')), |
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72 ) |
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73 ) |
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74 ) |
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75 |
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76 |
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77 class basemanifesttests(object): |
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78 def parsemanifest(self, text): |
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79 raise NotImplementedError('parsemanifest not implemented by test case') |
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80 |
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81 def testEmptyManifest(self): |
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82 m = self.parsemanifest(EMTPY_MANIFEST) |
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83 self.assertEqual(0, len(m)) |
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84 self.assertEqual([], list(m)) |
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85 |
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86 def testManifest(self): |
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87 m = self.parsemanifest(A_SHORT_MANIFEST) |
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88 self.assertEqual([b'bar/baz/qux.py', b'foo'], list(m)) |
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89 self.assertEqual(BIN_HASH_2, m[b'bar/baz/qux.py']) |
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90 self.assertEqual(b'l', m.flags(b'bar/baz/qux.py')) |
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91 self.assertEqual(BIN_HASH_1, m[b'foo']) |
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92 self.assertEqual(b'', m.flags(b'foo')) |
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93 with self.assertRaises(KeyError): |
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94 m[b'wat'] |
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95 |
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96 def testManifestLongHashes(self): |
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97 m = self.parsemanifest(b'a\0' + b'f' * 64 + b'\n') |
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98 self.assertEqual(binascii.unhexlify(b'f' * 64), m[b'a']) |
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99 |
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100 def testSetItem(self): |
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101 want = BIN_HASH_1 |
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102 |
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103 m = self.parsemanifest(EMTPY_MANIFEST) |
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104 m[b'a'] = want |
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105 self.assertIn(b'a', m) |
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106 self.assertEqual(want, m[b'a']) |
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107 self.assertEqual(b'a\0' + HASH_1 + b'\n', m.text()) |
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108 |
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109 m = self.parsemanifest(A_SHORT_MANIFEST) |
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110 m[b'a'] = want |
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111 self.assertEqual(want, m[b'a']) |
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112 self.assertEqual(b'a\0' + HASH_1 + b'\n' + A_SHORT_MANIFEST, m.text()) |
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113 |
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114 def testSetFlag(self): |
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115 want = b'x' |
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116 |
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117 m = self.parsemanifest(EMTPY_MANIFEST) |
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118 # first add a file; a file-less flag makes no sense |
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119 m[b'a'] = BIN_HASH_1 |
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120 m.setflag(b'a', want) |
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121 self.assertEqual(want, m.flags(b'a')) |
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122 self.assertEqual(b'a\0' + HASH_1 + want + b'\n', m.text()) |
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123 |
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124 m = self.parsemanifest(A_SHORT_MANIFEST) |
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125 # first add a file; a file-less flag makes no sense |
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126 m[b'a'] = BIN_HASH_1 |
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127 m.setflag(b'a', want) |
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128 self.assertEqual(want, m.flags(b'a')) |
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129 self.assertEqual( |
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130 b'a\0' + HASH_1 + want + b'\n' + A_SHORT_MANIFEST, m.text() |
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131 ) |
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132 |
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133 def testCopy(self): |
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134 m = self.parsemanifest(A_SHORT_MANIFEST) |
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135 m[b'a'] = BIN_HASH_1 |
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136 m2 = m.copy() |
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137 del m |
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138 del m2 # make sure we don't double free() anything |
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139 |
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140 def testCompaction(self): |
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141 unhex = binascii.unhexlify |
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142 h1, h2 = unhex(HASH_1), unhex(HASH_2) |
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143 m = self.parsemanifest(A_SHORT_MANIFEST) |
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144 m[b'alpha'] = h1 |
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145 m[b'beta'] = h2 |
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146 del m[b'foo'] |
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147 want = b'alpha\0%s\nbar/baz/qux.py\0%sl\nbeta\0%s\n' % ( |
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148 HASH_1, |
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149 HASH_2, |
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150 HASH_2, |
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151 ) |
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152 self.assertEqual(want, m.text()) |
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153 self.assertEqual(3, len(m)) |
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154 self.assertEqual([b'alpha', b'bar/baz/qux.py', b'beta'], list(m)) |
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155 self.assertEqual(h1, m[b'alpha']) |
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156 self.assertEqual(h2, m[b'bar/baz/qux.py']) |
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157 self.assertEqual(h2, m[b'beta']) |
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158 self.assertEqual(b'', m.flags(b'alpha')) |
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159 self.assertEqual(b'l', m.flags(b'bar/baz/qux.py')) |
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160 self.assertEqual(b'', m.flags(b'beta')) |
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161 with self.assertRaises(KeyError): |
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162 m[b'foo'] |
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163 |
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164 def testMatchException(self): |
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165 m = self.parsemanifest(A_SHORT_MANIFEST) |
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166 match = matchmod.match(util.localpath(b'/repo'), b'', [b're:.*']) |
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167 |
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168 def filt(path): |
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169 if path == b'foo': |
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170 assert False |
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171 return True |
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172 |
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173 match.matchfn = filt |
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174 with self.assertRaises(AssertionError): |
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175 m._matches(match) |
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176 |
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177 def testRemoveItem(self): |
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178 m = self.parsemanifest(A_SHORT_MANIFEST) |
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179 del m[b'foo'] |
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180 with self.assertRaises(KeyError): |
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181 m[b'foo'] |
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182 self.assertEqual(1, len(m)) |
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183 self.assertEqual(1, len(list(m))) |
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184 # now restore and make sure everything works right |
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185 m[b'foo'] = b'a' * 20 |
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186 self.assertEqual(2, len(m)) |
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187 self.assertEqual(2, len(list(m))) |
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188 |
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189 def testManifestDiff(self): |
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190 MISSING = (None, b'') |
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191 addl = b'z-only-in-left\0' + HASH_1 + b'\n' |
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192 addr = b'z-only-in-right\0' + HASH_2 + b'x\n' |
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193 left = self.parsemanifest( |
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194 A_SHORT_MANIFEST.replace(HASH_1, HASH_3 + b'x') + addl |
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195 ) |
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196 right = self.parsemanifest(A_SHORT_MANIFEST + addr) |
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197 want = { |
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198 b'foo': ((BIN_HASH_3, b'x'), (BIN_HASH_1, b'')), |
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199 b'z-only-in-left': ((BIN_HASH_1, b''), MISSING), |
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200 b'z-only-in-right': (MISSING, (BIN_HASH_2, b'x')), |
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201 } |
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202 self.assertEqual(want, left.diff(right)) |
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203 |
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204 want = { |
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205 b'bar/baz/qux.py': (MISSING, (BIN_HASH_2, b'l')), |
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206 b'foo': (MISSING, (BIN_HASH_3, b'x')), |
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207 b'z-only-in-left': (MISSING, (BIN_HASH_1, b'')), |
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208 } |
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209 self.assertEqual(want, self.parsemanifest(EMTPY_MANIFEST).diff(left)) |
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210 |
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211 want = { |
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212 b'bar/baz/qux.py': ((BIN_HASH_2, b'l'), MISSING), |
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213 b'foo': ((BIN_HASH_3, b'x'), MISSING), |
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214 b'z-only-in-left': ((BIN_HASH_1, b''), MISSING), |
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215 } |
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216 self.assertEqual(want, left.diff(self.parsemanifest(EMTPY_MANIFEST))) |
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217 copy = right.copy() |
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218 del copy[b'z-only-in-right'] |
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219 del right[b'foo'] |
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220 want = { |
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221 b'foo': (MISSING, (BIN_HASH_1, b'')), |
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222 b'z-only-in-right': ((BIN_HASH_2, b'x'), MISSING), |
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223 } |
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224 self.assertEqual(want, right.diff(copy)) |
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225 |
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226 short = self.parsemanifest(A_SHORT_MANIFEST) |
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227 pruned = short.copy() |
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228 del pruned[b'foo'] |
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229 want = { |
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230 b'foo': ((BIN_HASH_1, b''), MISSING), |
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231 } |
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232 self.assertEqual(want, short.diff(pruned)) |
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233 want = { |
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234 b'foo': (MISSING, (BIN_HASH_1, b'')), |
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235 } |
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236 self.assertEqual(want, pruned.diff(short)) |
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237 want = { |
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238 b'bar/baz/qux.py': None, |
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239 b'foo': (MISSING, (BIN_HASH_1, b'')), |
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240 } |
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241 self.assertEqual(want, pruned.diff(short, clean=True)) |
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242 |
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243 def testReversedLines(self): |
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244 backwards = b''.join( |
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245 l + b'\n' for l in reversed(A_SHORT_MANIFEST.split(b'\n')) if l |
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246 ) |
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247 try: |
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248 self.parsemanifest(backwards) |
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249 self.fail('Should have raised ValueError') |
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250 except ValueError as v: |
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251 self.assertIn('Manifest lines not in sorted order.', str(v)) |
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252 |
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253 def testNoTerminalNewline(self): |
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254 try: |
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255 self.parsemanifest(A_SHORT_MANIFEST + b'wat') |
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256 self.fail('Should have raised ValueError') |
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257 except ValueError as v: |
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258 self.assertIn('Manifest did not end in a newline.', str(v)) |
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259 |
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260 def testNoNewLineAtAll(self): |
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261 try: |
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262 self.parsemanifest(b'wat') |
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263 self.fail('Should have raised ValueError') |
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264 except ValueError as v: |
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265 self.assertIn('Manifest did not end in a newline.', str(v)) |
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266 |
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267 def testHugeManifest(self): |
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268 m = self.parsemanifest(A_HUGE_MANIFEST) |
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269 self.assertEqual(HUGE_MANIFEST_ENTRIES, len(m)) |
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270 self.assertEqual(len(m), len(list(m))) |
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271 |
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272 def testMatchesMetadata(self): |
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273 """Tests matches() for a few specific files to make sure that both |
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274 the set of files as well as their flags and nodeids are correct in |
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275 the resulting manifest.""" |
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276 m = self.parsemanifest(A_HUGE_MANIFEST) |
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277 |
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278 match = matchmod.exact([b'file1', b'file200', b'file300']) |
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279 m2 = m._matches(match) |
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280 |
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281 w = (b'file1\0%sx\n' b'file200\0%sl\n' b'file300\0%s\n') % ( |
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282 HASH_2, |
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283 HASH_1, |
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284 HASH_1, |
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285 ) |
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286 self.assertEqual(w, m2.text()) |
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287 |
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288 def testMatchesNonexistentFile(self): |
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289 """Tests matches() for a small set of specific files, including one |
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290 nonexistent file to make sure in only matches against existing files. |
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291 """ |
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292 m = self.parsemanifest(A_DEEPER_MANIFEST) |
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293 |
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294 match = matchmod.exact( |
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295 [b'a/b/c/bar.txt', b'a/b/d/qux.py', b'readme.txt', b'nonexistent'] |
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296 ) |
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297 m2 = m._matches(match) |
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298 |
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299 self.assertEqual( |
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300 [b'a/b/c/bar.txt', b'a/b/d/qux.py', b'readme.txt'], m2.keys() |
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301 ) |
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302 |
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303 def testMatchesNonexistentDirectory(self): |
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304 """Tests matches() for a relpath match on a directory that doesn't |
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305 actually exist.""" |
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306 m = self.parsemanifest(A_DEEPER_MANIFEST) |
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307 |
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308 match = matchmod.match( |
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309 util.localpath(b'/repo'), b'', [b'a/f'], default=b'relpath' |
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310 ) |
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311 m2 = m._matches(match) |
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312 |
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313 self.assertEqual([], m2.keys()) |
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314 |
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315 def testMatchesExactLarge(self): |
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316 """Tests matches() for files matching a large list of exact files.""" |
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317 m = self.parsemanifest(A_HUGE_MANIFEST) |
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318 |
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319 flist = m.keys()[80:300] |
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320 match = matchmod.exact(flist) |
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321 m2 = m._matches(match) |
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322 |
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323 self.assertEqual(flist, m2.keys()) |
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324 |
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325 def testMatchesFull(self): |
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326 '''Tests matches() for what should be a full match.''' |
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327 m = self.parsemanifest(A_DEEPER_MANIFEST) |
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328 |
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329 match = matchmod.match(util.localpath(b'/repo'), b'', [b'']) |
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330 m2 = m._matches(match) |
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331 |
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332 self.assertEqual(m.keys(), m2.keys()) |
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333 |
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334 def testMatchesDirectory(self): |
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335 """Tests matches() on a relpath match on a directory, which should |
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336 match against all files within said directory.""" |
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337 m = self.parsemanifest(A_DEEPER_MANIFEST) |
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338 |
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339 match = matchmod.match( |
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340 util.localpath(b'/repo'), b'', [b'a/b'], default=b'relpath' |
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341 ) |
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342 m2 = m._matches(match) |
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343 |
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344 self.assertEqual( |
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345 [ |
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346 b'a/b/c/bar.py', |
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347 b'a/b/c/bar.txt', |
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348 b'a/b/c/foo.py', |
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349 b'a/b/c/foo.txt', |
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350 b'a/b/d/baz.py', |
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351 b'a/b/d/qux.py', |
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352 b'a/b/d/ten.txt', |
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353 b'a/b/dog.py', |
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354 b'a/b/fish.py', |
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355 ], |
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356 m2.keys(), |
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357 ) |
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358 |
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359 def testMatchesExactPath(self): |
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360 """Tests matches() on an exact match on a directory, which should |
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361 result in an empty manifest because you can't perform an exact match |
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362 against a directory.""" |
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363 m = self.parsemanifest(A_DEEPER_MANIFEST) |
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364 |
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365 match = matchmod.exact([b'a/b']) |
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366 m2 = m._matches(match) |
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367 |
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368 self.assertEqual([], m2.keys()) |
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369 |
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370 def testMatchesCwd(self): |
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371 """Tests matches() on a relpath match with the current directory ('.') |
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372 when not in the root directory.""" |
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373 m = self.parsemanifest(A_DEEPER_MANIFEST) |
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374 |
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375 match = matchmod.match( |
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376 util.localpath(b'/repo'), b'a/b', [b'.'], default=b'relpath' |
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377 ) |
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378 m2 = m._matches(match) |
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379 |
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380 self.assertEqual( |
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381 [ |
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382 b'a/b/c/bar.py', |
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383 b'a/b/c/bar.txt', |
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384 b'a/b/c/foo.py', |
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385 b'a/b/c/foo.txt', |
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386 b'a/b/d/baz.py', |
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387 b'a/b/d/qux.py', |
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388 b'a/b/d/ten.txt', |
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389 b'a/b/dog.py', |
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390 b'a/b/fish.py', |
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391 ], |
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392 m2.keys(), |
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393 ) |
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394 |
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395 def testMatchesWithPattern(self): |
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396 """Tests matches() for files matching a pattern that reside |
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397 deeper than the specified directory.""" |
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398 m = self.parsemanifest(A_DEEPER_MANIFEST) |
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399 |
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400 match = matchmod.match(util.localpath(b'/repo'), b'', [b'a/b/*/*.txt']) |
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401 m2 = m._matches(match) |
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402 |
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403 self.assertEqual( |
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404 [b'a/b/c/bar.txt', b'a/b/c/foo.txt', b'a/b/d/ten.txt'], m2.keys() |
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405 ) |
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406 |
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407 |
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408 class testmanifestdict(unittest.TestCase, basemanifesttests): |
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409 def parsemanifest(self, text): |
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410 return manifestmod.manifestdict(text) |
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411 |
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412 def testObviouslyBogusManifest(self): |
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413 # This is a 163k manifest that came from oss-fuzz. It was a |
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414 # timeout there, but when run normally it doesn't seem to |
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415 # present any particular slowness. |
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416 data = zlib.decompress( |
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417 b'x\x9c\xed\xce;\n\x83\x00\x10\x04\xd0\x8deNa\x93~\xf1\x03\xc9q\xf4' |
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418 b'\x14\xeaU\xbdB\xda\xd4\xe6Cj\xc1FA\xde+\x86\xe9f\xa2\xfci\xbb\xfb' |
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419 b'\xa3\xef\xea\xba\xca\x7fk\x86q\x9a\xc6\xc8\xcc&\xb3\xcf\xf8\xb8|#' |
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420 b'\x8a9\x00\xd8\xe6v\xf4\x01N\xe1\n\x00\x00\x00\x00\x00\x00\x00\x00' |
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421 b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
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422 b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
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423 b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
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424 b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
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425 b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
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426 b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
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427 b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
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428 b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
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429 b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
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430 b'\x00\x00\xc0\x8aey\x1d}\x01\xd8\xe0\xb9\xf3\xde\x1b\xcf\x17' |
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431 b'\xac\xbe' |
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432 ) |
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433 with self.assertRaises(ValueError): |
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434 self.parsemanifest(data) |
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435 |
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436 |
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437 class testtreemanifest(unittest.TestCase, basemanifesttests): |
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438 def parsemanifest(self, text): |
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439 return manifestmod.treemanifest(b'', text) |
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440 |
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441 def testWalkSubtrees(self): |
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442 m = self.parsemanifest(A_DEEPER_MANIFEST) |
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443 |
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444 dirs = [s._dir for s in m.walksubtrees()] |
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445 self.assertEqual( |
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446 sorted( |
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447 [b'', b'a/', b'a/c/', b'a/d/', b'a/b/', b'a/b/c/', b'a/b/d/'] |
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448 ), |
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449 sorted(dirs), |
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450 ) |
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451 |
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452 match = matchmod.match(util.localpath(b'/repo'), b'', [b'path:a/b/']) |
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453 dirs = [s._dir for s in m.walksubtrees(matcher=match)] |
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454 self.assertEqual(sorted([b'a/b/', b'a/b/c/', b'a/b/d/']), sorted(dirs)) |
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455 |
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456 |
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457 if __name__ == '__main__': |
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458 silenttestrunner.main(__name__) |