Mercurial > hg
annotate tests/test-parseindex2.py @ 49786:0bda07f34c01 stable
emitrevision: also check the parents in the availability closure
One of the point of having a closure is to gather the logic in it. So we gather
the logic.
The `parents[:]` part is a bit ugly but will be replaced by better code soon
anyway.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Mon, 28 Nov 2022 15:59:52 +0100 |
parents | 6000f5b25c9b |
children | 493034cc3265 |
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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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5 |
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6 |
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7 import os |
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8 import struct |
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9 import subprocess |
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10 import sys |
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11 import unittest |
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12 |
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13 from mercurial.node import ( |
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14 bin, |
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15 hex, |
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16 nullrev, |
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17 sha1nodeconstants, |
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18 ) |
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19 from mercurial import ( |
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20 policy, |
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21 pycompat, |
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22 ) |
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23 from mercurial.revlogutils import ( |
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24 constants, |
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25 ) |
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26 |
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27 parsers = policy.importmod('parsers') |
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28 |
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29 # original python implementation |
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30 def gettype(q): |
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31 return int(q & 0xFFFF) |
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32 |
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33 |
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34 def offset_type(offset, type): |
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35 return int(int(offset) << 16 | type) |
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36 |
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37 |
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38 indexformatng = ">Qiiiiii20s12x" |
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39 |
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40 |
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41 def py_parseindex(data, inline): |
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42 s = 64 |
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43 cache = None |
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44 index = [] |
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45 nodemap = {sha1nodeconstants.nullid: nullrev} |
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46 n = off = 0 |
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48 l = len(data) - s |
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49 append = index.append |
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50 if inline: |
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51 cache = (0, data) |
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52 while off <= l: |
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53 e = struct.unpack(indexformatng, data[off : off + s]) |
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54 e = e + ( |
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55 0, |
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56 0, |
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57 constants.COMP_MODE_INLINE, |
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58 constants.COMP_MODE_INLINE, |
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59 constants.RANK_UNKNOWN, |
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60 ) |
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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 if e[1] < 0: |
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65 break |
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66 off += e[1] + s |
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67 else: |
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68 while off <= l: |
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69 e = struct.unpack(indexformatng, data[off : off + s]) |
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70 e = e + ( |
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71 0, |
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72 0, |
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73 constants.COMP_MODE_INLINE, |
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74 constants.COMP_MODE_INLINE, |
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75 constants.RANK_UNKNOWN, |
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76 ) |
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77 nodemap[e[7]] = n |
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78 append(e) |
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79 n += 1 |
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80 off += s |
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81 |
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82 e = list(index[0]) |
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83 type = gettype(e[0]) |
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84 e[0] = offset_type(0, type) |
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85 index[0] = tuple(e) |
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86 |
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87 return index, cache |
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88 |
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89 |
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90 data_inlined = ( |
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91 b'\x00\x01\x00\x01\x00\x00\x00\x00\x00\x00\x01\x8c' |
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92 b'\x00\x00\x04\x07\x00\x00\x00\x00\x00\x00\x15\x15\xff\xff\xff' |
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93 b'\xff\xff\xff\xff\xff\xebG\x97\xb7\x1fB\x04\xcf\x13V\x81\tw\x1b' |
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94 b'w\xdduR\xda\xc6\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
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95 b'x\x9c\x9d\x93?O\xc30\x10\xc5\xf7|\x8a\xdb\x9a\xa8m\x06\xd8*\x95' |
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96 b'\x81B\xa1\xa2\xa2R\xcb\x86Pd\x9a\x0b5$vd_\x04\xfd\xf6\x9c\xff@' |
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97 b'\x11!\x0b\xd9\xec\xf7\xbbw\xe7gG6\xad6\x04\xdaN\xc0\x92\xa0$)' |
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98 b'\xb1\x82\xa2\xd1%\x16\xa4\x8b7\xa9\xca\xd4-\xb2Y\x02\xfc\xc9' |
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99 b'\xcaS\xf9\xaeX\xed\xb6\xd77Q\x02\x83\xd4\x19\xf5--Y\xea\xe1W' |
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100 b'\xab\xed\x10\xceR\x0f_\xdf\xdf\r\xe1,\xf5\xf0\xcb\xf5 \xceR\x0f' |
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101 b'_\xdc\x0e\x0e\xc3R\x0f_\xae\x96\x9b!\x9e\xa5\x1e\xbf\xdb,\x06' |
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102 b'\xc7q\x9a/\x88\x82\xc3B\xea\xb5\xb4TJ\x93\xb6\x82\x0e\xe16\xe6' |
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103 b'KQ\xdb\xaf\xecG\xa3\xd1 \x01\xd3\x0b_^\xe8\xaa\xa0\xae\xad\xd1' |
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104 b'&\xbef\x1bz\x08\xb0|\xc9Xz\x06\xf6Z\x91\x90J\xaa\x17\x90\xaa' |
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105 b'\xd2\xa6\x11$5C\xcf\xba#\xa0\x03\x02*2\x92-\xfc\xb1\x94\xdf\xe2' |
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106 b'\xae\xb8\'m\x8ey0^\x85\xd3\x82\xb4\xf0`:\x9c\x00\x8a\xfd\x01' |
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107 b'\xb0\xc6\x86\x8b\xdd\xae\x80\xf3\xa9\x9fd\x16\n\x00R%\x1a\x06' |
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108 b'\xe9\xd8b\x98\x1d\xf4\xf3+\x9bf\x01\xd8p\x1b\xf3.\xed\x9f^g\xc3' |
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109 b'^\xd9W81T\xdb\xd5\x04sx|\xf2\xeb\xd6`%?x\xed"\x831\xbf\xf3\xdc' |
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110 b'b\xeb%gaY\xe1\xad\x9f\xb9f\'1w\xa9\xa5a\x83s\x82J\xb98\xbc4\x8b' |
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111 b'\x83\x00\x9f$z\xb8#\xa5\xb1\xdf\x98\xd9\xec\x1b\x89O\xe3Ts\x9a4' |
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112 b'\x17m\x8b\xfc\x8f\xa5\x95\x9a\xfc\xfa\xed,\xe5|\xa1\xfe\x15\xb9' |
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113 b'\xbc\xb2\x93\x1f\xf2\x95\xff\xdf,\x1a\xc5\xe7\x17*\x93Oz:>\x0e' |
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114 ) |
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115 |
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116 data_non_inlined = ( |
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117 b'\x00\x00\x00\x01\x00\x00\x00\x00\x00\x01D\x19' |
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118 b'\x00\x07e\x12\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff' |
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119 b'\xff\xff\xff\xff\xd1\xf4\xbb\xb0\xbe\xfc\x13\xbd\x8c\xd3\x9d' |
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120 b'\x0f\xcd\xd9;\x8c\x07\x8cJ/\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
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121 b'\x00\x00\x00\x00\x00\x00\x01D\x19\x00\x00\x00\x00\x00\xdf\x00' |
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122 b'\x00\x01q\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\xff' |
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123 b'\xff\xff\xff\xc1\x12\xb9\x04\x96\xa4Z1t\x91\xdfsJ\x90\xf0\x9bh' |
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124 b'\x07l&\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
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125 b'\x00\x01D\xf8\x00\x00\x00\x00\x01\x1b\x00\x00\x01\xb8\x00\x00' |
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126 b'\x00\x01\x00\x00\x00\x02\x00\x00\x00\x01\xff\xff\xff\xff\x02\n' |
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127 b'\x0e\xc6&\xa1\x92\xae6\x0b\x02i\xfe-\xe5\xbao\x05\xd1\xe7\x00' |
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128 b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01F' |
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129 b'\x13\x00\x00\x00\x00\x01\xec\x00\x00\x03\x06\x00\x00\x00\x01' |
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130 b'\x00\x00\x00\x03\x00\x00\x00\x02\xff\xff\xff\xff\x12\xcb\xeby1' |
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131 b'\xb6\r\x98B\xcb\x07\xbd`\x8f\x92\xd9\xc4\x84\xbdK\x00\x00\x00' |
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132 b'\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
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133 ) |
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134 |
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135 |
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136 def parse_index2(data, inline, format=constants.REVLOGV1): |
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137 index, chunkcache = parsers.parse_index2(data, inline, format=format) |
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138 return list(index), chunkcache |
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139 |
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140 |
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141 def importparsers(hexversion): |
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142 """Import mercurial.parsers with the given sys.hexversion.""" |
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143 # The file parsers.c inspects sys.hexversion to determine the version |
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144 # of the currently-running Python interpreter, so we monkey-patch |
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145 # sys.hexversion to simulate using different versions. |
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146 code = ( |
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147 "import sys; sys.hexversion=%s; " |
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148 "import mercurial.cext.parsers" % hexversion |
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149 ) |
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150 cmd = "\"%s\" -c \"%s\"" % (os.environ['PYTHON'], code) |
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151 # We need to do these tests inside a subprocess because parser.c's |
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152 # version-checking code happens inside the module init function, and |
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153 # when using reload() to reimport an extension module, "The init function |
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154 # of extension modules is not called a second time" |
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155 # (from http://docs.python.org/2/library/functions.html?#reload). |
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156 p = subprocess.Popen( |
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157 cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT |
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158 ) |
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159 return p.communicate() # returns stdout, stderr |
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160 |
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161 |
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162 def hexfailmsg(testnumber, hexversion, stdout, expected): |
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163 try: |
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164 hexstring = hex(hexversion) |
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165 except TypeError: |
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166 hexstring = None |
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167 return ( |
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168 "FAILED: version test #%s with Python %s and patched " |
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169 "sys.hexversion %r (%r):\n Expected %s but got:\n-->'%s'\n" |
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170 % ( |
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171 testnumber, |
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172 sys.version_info, |
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173 hexversion, |
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174 hexstring, |
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175 expected, |
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176 stdout, |
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177 ) |
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178 ) |
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179 |
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180 |
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181 def makehex(major, minor, micro): |
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182 return int("%x%02x%02x00" % (major, minor, micro), 16) |
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183 |
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184 |
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185 class parseindex2tests(unittest.TestCase): |
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186 def assertversionokay(self, testnumber, hexversion): |
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187 stdout, stderr = importparsers(hexversion) |
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188 self.assertFalse( |
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189 stdout, hexfailmsg(testnumber, hexversion, stdout, 'no stdout') |
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190 ) |
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191 |
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192 def assertversionfail(self, testnumber, hexversion): |
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193 stdout, stderr = importparsers(hexversion) |
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194 # We include versionerrortext to distinguish from other ImportErrors. |
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195 errtext = b"ImportError: %s" % pycompat.sysbytes( |
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196 parsers.versionerrortext |
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197 ) |
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198 self.assertIn( |
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199 errtext, |
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200 stdout, |
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201 hexfailmsg( |
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202 testnumber, |
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203 hexversion, |
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204 stdout, |
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205 expected="stdout to contain %r" % errtext, |
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206 ), |
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207 ) |
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208 |
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209 def testversiondetection(self): |
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210 """Check the version-detection logic when importing parsers.""" |
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211 # Only test the version-detection logic if it is present. |
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212 try: |
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213 parsers.versionerrortext |
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214 except AttributeError: |
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215 return |
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216 info = sys.version_info |
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217 major, minor, micro = info[0], info[1], info[2] |
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218 # Test same major-minor versions. |
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219 self.assertversionokay(1, makehex(major, minor, micro)) |
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220 self.assertversionokay(2, makehex(major, minor, micro + 1)) |
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221 # Test different major-minor versions. |
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222 self.assertversionfail(3, makehex(major + 1, minor, micro)) |
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223 self.assertversionfail(4, makehex(major, minor + 1, micro)) |
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224 self.assertversionfail(5, "'foo'") |
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225 |
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226 def testbadargs(self): |
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227 # Check that parse_index2() raises TypeError on bad arguments. |
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228 with self.assertRaises(TypeError): |
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229 parse_index2(0, True) |
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230 |
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231 def testparseindexfile(self): |
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232 # Check parsers.parse_index2() on an index file against the |
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233 # original Python implementation of parseindex, both with and |
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234 # without inlined data. |
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235 |
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236 want = py_parseindex(data_inlined, True) |
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237 got = parse_index2(data_inlined, True) |
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238 self.assertEqual(want, got) # inline data |
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239 |
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240 want = py_parseindex(data_non_inlined, False) |
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241 got = parse_index2(data_non_inlined, False) |
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242 self.assertEqual(want, got) # no inline data |
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243 |
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244 ix = parsers.parse_index2(data_inlined, True)[0] |
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245 for i, r in enumerate(ix): |
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246 if r[7] == sha1nodeconstants.nullid: |
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247 i = -1 |
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248 try: |
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249 self.assertEqual( |
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250 ix[r[7]], |
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251 i, |
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252 'Reverse lookup inconsistent for %r' % hex(r[7]), |
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253 ) |
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254 except TypeError: |
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255 # pure version doesn't support this |
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256 break |
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257 |
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258 def testminusone(self): |
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259 want = ( |
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260 0, |
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261 0, |
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262 0, |
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263 -1, |
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264 -1, |
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265 -1, |
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266 -1, |
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267 sha1nodeconstants.nullid, |
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268 0, |
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269 0, |
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270 constants.COMP_MODE_INLINE, |
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271 constants.COMP_MODE_INLINE, |
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272 constants.RANK_UNKNOWN, |
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273 ) |
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274 index, junk = parsers.parse_index2(data_inlined, True) |
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275 got = index[-1] |
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276 self.assertEqual(want, got) # inline data |
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277 |
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278 index, junk = parsers.parse_index2(data_non_inlined, False) |
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279 got = index[-1] |
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280 self.assertEqual(want, got) # no inline data |
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281 |
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282 def testdelitemwithoutnodetree(self): |
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283 index, _junk = parsers.parse_index2(data_non_inlined, False) |
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284 |
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285 def hexrev(rev): |
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286 if rev == nullrev: |
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287 return b'\xff\xff\xff\xff' |
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288 else: |
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289 return bin('%08x' % rev) |
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290 |
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291 def appendrev(p1, p2=nullrev): |
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292 # node won't matter for this test, let's just make sure |
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293 # they don't collide. Other data don't matter either. |
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294 node = hexrev(p1) + hexrev(p2) + b'.' * 12 |
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295 e = ( |
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296 0, |
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297 0, |
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298 12, |
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299 1, |
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300 34, |
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301 p1, |
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302 p2, |
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303 node, |
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304 0, |
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305 0, |
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306 constants.COMP_MODE_INLINE, |
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307 constants.COMP_MODE_INLINE, |
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308 constants.RANK_UNKNOWN, |
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309 ) |
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310 index.append(e) |
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311 |
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312 appendrev(4) |
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313 appendrev(5) |
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314 appendrev(6) |
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315 self.assertEqual(len(index), 7) |
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316 |
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317 del index[1:-1] |
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318 |
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319 # assertions that failed before correction |
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320 self.assertEqual(len(index), 1) # was 4 |
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321 headrevs = getattr(index, 'headrevs', None) |
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322 if headrevs is not None: # not implemented in pure |
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323 self.assertEqual(index.headrevs(), [0]) # gave ValueError |
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324 |
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325 |
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326 if __name__ == '__main__': |
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327 import silenttestrunner |
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328 |
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329 silenttestrunner.main(__name__) |