annotate tests/test-parseindex2.py @ 34980:705d0f2bb677 stable

pathutil: add doctests for canonpath() This is a followup to f445b10dc7fb. Since there's no way to ensure that more drive letters than C: exist, this seems like the only way to test it. This is enough to catch the f445b10dc7fb scenario, as well as CWD outside of the repo when the path isn't prefixed with path/to/repo.
author Matt Harbison <matt_harbison@yahoo.com>
date Fri, 03 Nov 2017 22:22:50 -0400
parents df448de7cf3b
children b4e42a9bd12e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 from __future__ import absolute_import, print_function
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7
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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
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12 from mercurial.node import (
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13 nullid,
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14 nullrev,
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15 )
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16 from mercurial import (
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17 policy,
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18 )
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19
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20 parsers = policy.importmod(r'parsers')
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21
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22 # original python implementation
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23 def gettype(q):
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24 return int(q & 0xFFFF)
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25
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26 def offset_type(offset, type):
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27 return long(long(offset) << 16 | type)
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28
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29 indexformatng = ">Qiiiiii20s12x"
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30
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31 def py_parseindex(data, inline) :
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32 s = 64
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33 cache = None
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34 index = []
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35 nodemap = {nullid: nullrev}
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36 n = off = 0
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37
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38 l = len(data) - s
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39 append = index.append
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40 if inline:
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41 cache = (0, data)
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42 while off <= l:
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43 e = struct.unpack(indexformatng, data[off:off + s])
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44 nodemap[e[7]] = n
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45 append(e)
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46 n += 1
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47 if e[1] < 0:
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48 break
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49 off += e[1] + s
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50 else:
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51 while off <= l:
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52 e = struct.unpack(indexformatng, data[off:off + s])
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53 nodemap[e[7]] = n
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54 append(e)
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55 n += 1
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56 off += s
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57
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58 e = list(index[0])
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59 type = gettype(e[0])
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60 e[0] = offset_type(0, type)
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61 index[0] = tuple(e)
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62
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63 # add the magic null revision at -1
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64 index.append((0, 0, 0, -1, -1, -1, -1, nullid))
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65
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66 return index, cache
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67
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68 data_inlined = '\x00\x01\x00\x01\x00\x00\x00\x00\x00\x00\x01\x8c' \
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69 '\x00\x00\x04\x07\x00\x00\x00\x00\x00\x00\x15\x15\xff\xff\xff' \
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70 '\xff\xff\xff\xff\xff\xebG\x97\xb7\x1fB\x04\xcf\x13V\x81\tw\x1b' \
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71 'w\xdduR\xda\xc6\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' \
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72 'x\x9c\x9d\x93?O\xc30\x10\xc5\xf7|\x8a\xdb\x9a\xa8m\x06\xd8*\x95' \
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73 '\x81B\xa1\xa2\xa2R\xcb\x86Pd\x9a\x0b5$vd_\x04\xfd\xf6\x9c\xff@' \
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74 '\x11!\x0b\xd9\xec\xf7\xbbw\xe7gG6\xad6\x04\xdaN\xc0\x92\xa0$)' \
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75 '\xb1\x82\xa2\xd1%\x16\xa4\x8b7\xa9\xca\xd4-\xb2Y\x02\xfc\xc9' \
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76 '\xcaS\xf9\xaeX\xed\xb6\xd77Q\x02\x83\xd4\x19\xf5--Y\xea\xe1W' \
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77 '\xab\xed\x10\xceR\x0f_\xdf\xdf\r\xe1,\xf5\xf0\xcb\xf5 \xceR\x0f' \
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78 '_\xdc\x0e\x0e\xc3R\x0f_\xae\x96\x9b!\x9e\xa5\x1e\xbf\xdb,\x06' \
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79 '\xc7q\x9a/\x88\x82\xc3B\xea\xb5\xb4TJ\x93\xb6\x82\x0e\xe16\xe6' \
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80 'KQ\xdb\xaf\xecG\xa3\xd1 \x01\xd3\x0b_^\xe8\xaa\xa0\xae\xad\xd1' \
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81 '&\xbef\x1bz\x08\xb0|\xc9Xz\x06\xf6Z\x91\x90J\xaa\x17\x90\xaa' \
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82 '\xd2\xa6\x11$5C\xcf\xba#\xa0\x03\x02*2\x92-\xfc\xb1\x94\xdf\xe2' \
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83 '\xae\xb8\'m\x8ey0^\x85\xd3\x82\xb4\xf0`:\x9c\x00\x8a\xfd\x01' \
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84 '\xb0\xc6\x86\x8b\xdd\xae\x80\xf3\xa9\x9fd\x16\n\x00R%\x1a\x06' \
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85 '\xe9\xd8b\x98\x1d\xf4\xf3+\x9bf\x01\xd8p\x1b\xf3.\xed\x9f^g\xc3' \
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86 '^\xd9W81T\xdb\xd5\x04sx|\xf2\xeb\xd6`%?x\xed"\x831\xbf\xf3\xdc' \
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87 'b\xeb%gaY\xe1\xad\x9f\xb9f\'1w\xa9\xa5a\x83s\x82J\xb98\xbc4\x8b' \
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88 '\x83\x00\x9f$z\xb8#\xa5\xb1\xdf\x98\xd9\xec\x1b\x89O\xe3Ts\x9a4' \
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89 '\x17m\x8b\xfc\x8f\xa5\x95\x9a\xfc\xfa\xed,\xe5|\xa1\xfe\x15\xb9' \
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90 '\xbc\xb2\x93\x1f\xf2\x95\xff\xdf,\x1a\xc5\xe7\x17*\x93Oz:>\x0e'
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91
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92 data_non_inlined = '\x00\x00\x00\x01\x00\x00\x00\x00\x00\x01D\x19' \
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93 '\x00\x07e\x12\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff' \
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94 '\xff\xff\xff\xff\xd1\xf4\xbb\xb0\xbe\xfc\x13\xbd\x8c\xd3\x9d' \
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95 '\x0f\xcd\xd9;\x8c\x07\x8cJ/\x00\x00\x00\x00\x00\x00\x00\x00\x00' \
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96 '\x00\x00\x00\x00\x00\x00\x01D\x19\x00\x00\x00\x00\x00\xdf\x00' \
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97 '\x00\x01q\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\xff' \
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98 '\xff\xff\xff\xc1\x12\xb9\x04\x96\xa4Z1t\x91\xdfsJ\x90\xf0\x9bh' \
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99 '\x07l&\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' \
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100 '\x00\x01D\xf8\x00\x00\x00\x00\x01\x1b\x00\x00\x01\xb8\x00\x00' \
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101 '\x00\x01\x00\x00\x00\x02\x00\x00\x00\x01\xff\xff\xff\xff\x02\n' \
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102 '\x0e\xc6&\xa1\x92\xae6\x0b\x02i\xfe-\xe5\xbao\x05\xd1\xe7\x00' \
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103 '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01F' \
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104 '\x13\x00\x00\x00\x00\x01\xec\x00\x00\x03\x06\x00\x00\x00\x01' \
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105 '\x00\x00\x00\x03\x00\x00\x00\x02\xff\xff\xff\xff\x12\xcb\xeby1' \
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106 '\xb6\r\x98B\xcb\x07\xbd`\x8f\x92\xd9\xc4\x84\xbdK\x00\x00\x00' \
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107 '\x00\x00\x00\x00\x00\x00\x00\x00\x00'
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108
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109 def parse_index2(data, inline):
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110 index, chunkcache = parsers.parse_index2(data, inline)
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111 return list(index), chunkcache
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112
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113 def importparsers(hexversion):
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114 """Import mercurial.parsers with the given sys.hexversion."""
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115 # The file parsers.c inspects sys.hexversion to determine the version
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116 # of the currently-running Python interpreter, so we monkey-patch
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117 # sys.hexversion to simulate using different versions.
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118 code = ("import sys; sys.hexversion=%s; "
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119 "import mercurial.cext.parsers" % hexversion)
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120 cmd = "python -c \"%s\"" % code
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121 # We need to do these tests inside a subprocess because parser.c's
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122 # version-checking code happens inside the module init function, and
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123 # when using reload() to reimport an extension module, "The init function
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124 # of extension modules is not called a second time"
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125 # (from http://docs.python.org/2/library/functions.html?#reload).
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126 p = subprocess.Popen(cmd, shell=True,
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127 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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128 return p.communicate() # returns stdout, stderr
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129
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130 def printhexfail(testnumber, hexversion, stdout, expected):
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131 try:
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132 hexstring = hex(hexversion)
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133 except TypeError:
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134 hexstring = None
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135 print("FAILED: version test #%s with Python %s and patched "
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136 "sys.hexversion %r (%r):\n Expected %s but got:\n-->'%s'\n" %
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137 (testnumber, sys.version_info, hexversion, hexstring, expected,
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138 stdout))
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139
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140 def testversionokay(testnumber, hexversion):
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141 stdout, stderr = importparsers(hexversion)
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142 if stdout:
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143 printhexfail(testnumber, hexversion, stdout, expected="no stdout")
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144
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145 def testversionfail(testnumber, hexversion):
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146 stdout, stderr = importparsers(hexversion)
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147 # We include versionerrortext to distinguish from other ImportErrors.
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148 errtext = "ImportError: %s" % parsers.versionerrortext
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149 if errtext not in stdout:
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150 printhexfail(testnumber, hexversion, stdout,
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151 expected="stdout to contain %r" % errtext)
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152
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153 def makehex(major, minor, micro):
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154 return int("%x%02x%02x00" % (major, minor, micro), 16)
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155
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156 def runversiontests():
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157 """Check the version-detection logic when importing parsers."""
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158 info = sys.version_info
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159 major, minor, micro = info[0], info[1], info[2]
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160 # Test same major-minor versions.
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161 testversionokay(1, makehex(major, minor, micro))
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162 testversionokay(2, makehex(major, minor, micro + 1))
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163 # Test different major-minor versions.
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164 testversionfail(3, makehex(major + 1, minor, micro))
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165 testversionfail(4, makehex(major, minor + 1, micro))
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166 testversionfail(5, "'foo'")
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167
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168 def runtest() :
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169 # Only test the version-detection logic if it is present.
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170 try:
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171 parsers.versionerrortext
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172 except AttributeError:
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173 pass
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174 else:
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175 runversiontests()
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176
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177 # Check that parse_index2() raises TypeError on bad arguments.
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178 try:
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179 parse_index2(0, True)
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180 except TypeError:
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181 pass
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182 else:
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183 print("Expected to get TypeError.")
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184
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185 # Check parsers.parse_index2() on an index file against the original
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186 # Python implementation of parseindex, both with and without inlined data.
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187
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188 py_res_1 = py_parseindex(data_inlined, True)
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189 c_res_1 = parse_index2(data_inlined, True)
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190
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191 py_res_2 = py_parseindex(data_non_inlined, False)
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192 c_res_2 = parse_index2(data_non_inlined, False)
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193
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194 if py_res_1 != c_res_1:
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195 print("Parse index result (with inlined data) differs!")
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196
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197 if py_res_2 != c_res_2:
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198 print("Parse index result (no inlined data) differs!")
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199
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200 ix = parsers.parse_index2(data_inlined, True)[0]
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201 for i, r in enumerate(ix):
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202 if r[7] == nullid:
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203 i = -1
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204 try:
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205 if ix[r[7]] != i:
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206 print('Reverse lookup inconsistent for %r'
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207 % r[7].encode('hex'))
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208 except TypeError:
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209 # pure version doesn't support this
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210 break
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211
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212 print("done")
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213
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214 runtest()