Mercurial > hg
annotate tests/test-parseindex2.py @ 46119:9261f6c1d39b
errors: raise StateError when push fails because it creates new heads
I decided to raise `StateError` here because the local and remote
repos are in an incompatible state. I think remote errors (exit code
100) should be when something goes wrong on the remote and there's
nothing the user can do.
Differential Revision: https://phab.mercurial-scm.org/D9391
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Mon, 23 Nov 2020 16:39:53 -0800 |
parents | 59fa3890d40a |
children | 913485776542 |
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1 """This unit test primarily tests parsers.parse_index2(). |
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2 |
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3 It also checks certain aspects of the parsers module as a whole. |
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4 """ |
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6 from __future__ import absolute_import, print_function |
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7 |
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8 import os |
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9 import struct |
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10 import subprocess |
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11 import sys |
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12 import unittest |
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13 |
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14 from mercurial.node import ( |
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15 bin, |
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16 hex, |
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17 nullid, |
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18 nullrev, |
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19 ) |
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20 from mercurial import ( |
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21 policy, |
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22 pycompat, |
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23 ) |
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24 |
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25 parsers = policy.importmod('parsers') |
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26 |
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27 # original python implementation |
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28 def gettype(q): |
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29 return int(q & 0xFFFF) |
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30 |
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31 |
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32 def offset_type(offset, type): |
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33 return int(int(offset) << 16 | type) |
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34 |
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35 |
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36 indexformatng = ">Qiiiiii20s12x" |
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38 |
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39 def py_parseindex(data, inline): |
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40 s = 64 |
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41 cache = None |
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42 index = [] |
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43 nodemap = {nullid: nullrev} |
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44 n = off = 0 |
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46 l = len(data) - s |
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47 append = index.append |
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48 if inline: |
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49 cache = (0, data) |
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50 while off <= l: |
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51 e = struct.unpack(indexformatng, data[off : off + s]) |
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52 nodemap[e[7]] = n |
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53 append(e) |
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54 n += 1 |
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55 if e[1] < 0: |
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56 break |
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57 off += e[1] + s |
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58 else: |
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59 while off <= l: |
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60 e = struct.unpack(indexformatng, data[off : off + s]) |
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61 nodemap[e[7]] = n |
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62 append(e) |
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63 n += 1 |
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64 off += s |
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65 |
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66 e = list(index[0]) |
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67 type = gettype(e[0]) |
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68 e[0] = offset_type(0, type) |
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69 index[0] = tuple(e) |
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70 |
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71 return index, cache |
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72 |
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73 |
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74 data_inlined = ( |
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75 b'\x00\x01\x00\x01\x00\x00\x00\x00\x00\x00\x01\x8c' |
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76 b'\x00\x00\x04\x07\x00\x00\x00\x00\x00\x00\x15\x15\xff\xff\xff' |
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77 b'\xff\xff\xff\xff\xff\xebG\x97\xb7\x1fB\x04\xcf\x13V\x81\tw\x1b' |
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78 b'w\xdduR\xda\xc6\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
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79 b'x\x9c\x9d\x93?O\xc30\x10\xc5\xf7|\x8a\xdb\x9a\xa8m\x06\xd8*\x95' |
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80 b'\x81B\xa1\xa2\xa2R\xcb\x86Pd\x9a\x0b5$vd_\x04\xfd\xf6\x9c\xff@' |
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81 b'\x11!\x0b\xd9\xec\xf7\xbbw\xe7gG6\xad6\x04\xdaN\xc0\x92\xa0$)' |
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82 b'\xb1\x82\xa2\xd1%\x16\xa4\x8b7\xa9\xca\xd4-\xb2Y\x02\xfc\xc9' |
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83 b'\xcaS\xf9\xaeX\xed\xb6\xd77Q\x02\x83\xd4\x19\xf5--Y\xea\xe1W' |
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84 b'\xab\xed\x10\xceR\x0f_\xdf\xdf\r\xe1,\xf5\xf0\xcb\xf5 \xceR\x0f' |
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85 b'_\xdc\x0e\x0e\xc3R\x0f_\xae\x96\x9b!\x9e\xa5\x1e\xbf\xdb,\x06' |
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86 b'\xc7q\x9a/\x88\x82\xc3B\xea\xb5\xb4TJ\x93\xb6\x82\x0e\xe16\xe6' |
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87 b'KQ\xdb\xaf\xecG\xa3\xd1 \x01\xd3\x0b_^\xe8\xaa\xa0\xae\xad\xd1' |
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88 b'&\xbef\x1bz\x08\xb0|\xc9Xz\x06\xf6Z\x91\x90J\xaa\x17\x90\xaa' |
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89 b'\xd2\xa6\x11$5C\xcf\xba#\xa0\x03\x02*2\x92-\xfc\xb1\x94\xdf\xe2' |
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90 b'\xae\xb8\'m\x8ey0^\x85\xd3\x82\xb4\xf0`:\x9c\x00\x8a\xfd\x01' |
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91 b'\xb0\xc6\x86\x8b\xdd\xae\x80\xf3\xa9\x9fd\x16\n\x00R%\x1a\x06' |
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92 b'\xe9\xd8b\x98\x1d\xf4\xf3+\x9bf\x01\xd8p\x1b\xf3.\xed\x9f^g\xc3' |
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93 b'^\xd9W81T\xdb\xd5\x04sx|\xf2\xeb\xd6`%?x\xed"\x831\xbf\xf3\xdc' |
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94 b'b\xeb%gaY\xe1\xad\x9f\xb9f\'1w\xa9\xa5a\x83s\x82J\xb98\xbc4\x8b' |
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95 b'\x83\x00\x9f$z\xb8#\xa5\xb1\xdf\x98\xd9\xec\x1b\x89O\xe3Ts\x9a4' |
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96 b'\x17m\x8b\xfc\x8f\xa5\x95\x9a\xfc\xfa\xed,\xe5|\xa1\xfe\x15\xb9' |
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97 b'\xbc\xb2\x93\x1f\xf2\x95\xff\xdf,\x1a\xc5\xe7\x17*\x93Oz:>\x0e' |
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98 ) |
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99 |
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100 data_non_inlined = ( |
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104 b'\x0f\xcd\xd9;\x8c\x07\x8cJ/\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
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105 b'\x00\x00\x00\x00\x00\x00\x01D\x19\x00\x00\x00\x00\x00\xdf\x00' |
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106 b'\x00\x01q\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\xff' |
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107 b'\xff\xff\xff\xc1\x12\xb9\x04\x96\xa4Z1t\x91\xdfsJ\x90\xf0\x9bh' |
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108 b'\x07l&\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
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109 b'\x00\x01D\xf8\x00\x00\x00\x00\x01\x1b\x00\x00\x01\xb8\x00\x00' |
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110 b'\x00\x01\x00\x00\x00\x02\x00\x00\x00\x01\xff\xff\xff\xff\x02\n' |
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111 b'\x0e\xc6&\xa1\x92\xae6\x0b\x02i\xfe-\xe5\xbao\x05\xd1\xe7\x00' |
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112 b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01F' |
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113 b'\x13\x00\x00\x00\x00\x01\xec\x00\x00\x03\x06\x00\x00\x00\x01' |
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114 b'\x00\x00\x00\x03\x00\x00\x00\x02\xff\xff\xff\xff\x12\xcb\xeby1' |
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115 b'\xb6\r\x98B\xcb\x07\xbd`\x8f\x92\xd9\xc4\x84\xbdK\x00\x00\x00' |
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116 b'\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
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117 ) |
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118 |
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119 |
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120 def parse_index2(data, inline): |
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121 index, chunkcache = parsers.parse_index2(data, inline) |
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122 return list(index), chunkcache |
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123 |
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124 |
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125 def importparsers(hexversion): |
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126 """Import mercurial.parsers with the given sys.hexversion.""" |
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127 # The file parsers.c inspects sys.hexversion to determine the version |
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128 # of the currently-running Python interpreter, so we monkey-patch |
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129 # sys.hexversion to simulate using different versions. |
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130 code = ( |
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131 "import sys; sys.hexversion=%s; " |
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132 "import mercurial.cext.parsers" % hexversion |
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133 ) |
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134 cmd = "\"%s\" -c \"%s\"" % (os.environ['PYTHON'], code) |
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135 # We need to do these tests inside a subprocess because parser.c's |
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136 # version-checking code happens inside the module init function, and |
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137 # when using reload() to reimport an extension module, "The init function |
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138 # of extension modules is not called a second time" |
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139 # (from http://docs.python.org/2/library/functions.html?#reload). |
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140 p = subprocess.Popen( |
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141 cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT |
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142 ) |
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143 return p.communicate() # returns stdout, stderr |
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144 |
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145 |
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146 def hexfailmsg(testnumber, hexversion, stdout, expected): |
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147 try: |
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148 hexstring = hex(hexversion) |
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149 except TypeError: |
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150 hexstring = None |
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151 return ( |
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152 "FAILED: version test #%s with Python %s and patched " |
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153 "sys.hexversion %r (%r):\n Expected %s but got:\n-->'%s'\n" |
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154 % ( |
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155 testnumber, |
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156 sys.version_info, |
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157 hexversion, |
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158 hexstring, |
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159 expected, |
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160 stdout, |
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161 ) |
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162 ) |
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163 |
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164 |
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165 def makehex(major, minor, micro): |
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166 return int("%x%02x%02x00" % (major, minor, micro), 16) |
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167 |
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168 |
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169 class parseindex2tests(unittest.TestCase): |
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170 def assertversionokay(self, testnumber, hexversion): |
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171 stdout, stderr = importparsers(hexversion) |
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172 self.assertFalse( |
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173 stdout, hexfailmsg(testnumber, hexversion, stdout, 'no stdout') |
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174 ) |
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175 |
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176 def assertversionfail(self, testnumber, hexversion): |
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177 stdout, stderr = importparsers(hexversion) |
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178 # We include versionerrortext to distinguish from other ImportErrors. |
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179 errtext = b"ImportError: %s" % pycompat.sysbytes( |
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180 parsers.versionerrortext |
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181 ) |
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182 self.assertIn( |
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183 errtext, |
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184 stdout, |
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185 hexfailmsg( |
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186 testnumber, |
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187 hexversion, |
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188 stdout, |
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189 expected="stdout to contain %r" % errtext, |
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190 ), |
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191 ) |
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192 |
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193 def testversiondetection(self): |
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194 """Check the version-detection logic when importing parsers.""" |
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195 # Only test the version-detection logic if it is present. |
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196 try: |
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197 parsers.versionerrortext |
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198 except AttributeError: |
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199 return |
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200 info = sys.version_info |
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201 major, minor, micro = info[0], info[1], info[2] |
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202 # Test same major-minor versions. |
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203 self.assertversionokay(1, makehex(major, minor, micro)) |
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204 self.assertversionokay(2, makehex(major, minor, micro + 1)) |
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205 # Test different major-minor versions. |
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206 self.assertversionfail(3, makehex(major + 1, minor, micro)) |
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207 self.assertversionfail(4, makehex(major, minor + 1, micro)) |
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208 self.assertversionfail(5, "'foo'") |
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209 |
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210 def testbadargs(self): |
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211 # Check that parse_index2() raises TypeError on bad arguments. |
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212 with self.assertRaises(TypeError): |
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213 parse_index2(0, True) |
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214 |
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215 def testparseindexfile(self): |
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216 # Check parsers.parse_index2() on an index file against the |
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217 # original Python implementation of parseindex, both with and |
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218 # without inlined data. |
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219 |
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220 want = py_parseindex(data_inlined, True) |
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221 got = parse_index2(data_inlined, True) |
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222 self.assertEqual(want, got) # inline data |
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223 |
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224 want = py_parseindex(data_non_inlined, False) |
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225 got = parse_index2(data_non_inlined, False) |
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226 self.assertEqual(want, got) # no inline data |
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227 |
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228 ix = parsers.parse_index2(data_inlined, True)[0] |
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229 for i, r in enumerate(ix): |
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230 if r[7] == nullid: |
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231 i = -1 |
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232 try: |
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233 self.assertEqual( |
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234 ix[r[7]], |
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235 i, |
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236 'Reverse lookup inconsistent for %r' % hex(r[7]), |
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237 ) |
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238 except TypeError: |
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239 # pure version doesn't support this |
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240 break |
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241 |
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242 def testminusone(self): |
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243 want = (0, 0, 0, -1, -1, -1, -1, nullid) |
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244 index, junk = parsers.parse_index2(data_inlined, True) |
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245 got = index[-1] |
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246 self.assertEqual(want, got) # inline data |
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247 |
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248 index, junk = parsers.parse_index2(data_non_inlined, False) |
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249 got = index[-1] |
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250 self.assertEqual(want, got) # no inline data |
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251 |
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252 def testdelitemwithoutnodetree(self): |
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253 index, _junk = parsers.parse_index2(data_non_inlined, False) |
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254 |
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255 def hexrev(rev): |
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256 if rev == nullrev: |
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257 return b'\xff\xff\xff\xff' |
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258 else: |
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259 return bin('%08x' % rev) |
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260 |
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261 def appendrev(p1, p2=nullrev): |
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262 # node won't matter for this test, let's just make sure |
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263 # they don't collide. Other data don't matter either. |
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264 node = hexrev(p1) + hexrev(p2) + b'.' * 12 |
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265 index.append((0, 0, 12, 1, 34, p1, p2, node)) |
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266 |
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267 appendrev(4) |
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268 appendrev(5) |
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269 appendrev(6) |
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270 self.assertEqual(len(index), 7) |
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271 |
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272 del index[1:-1] |
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273 |
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274 # assertions that failed before correction |
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275 self.assertEqual(len(index), 1) # was 4 |
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276 headrevs = getattr(index, 'headrevs', None) |
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277 if headrevs is not None: # not implemented in pure |
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278 self.assertEqual(index.headrevs(), [0]) # gave ValueError |
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279 |
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280 |
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281 if __name__ == '__main__': |
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282 import silenttestrunner |
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283 |
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284 silenttestrunner.main(__name__) |