annotate tests/test-parseindex2.py @ 23172:e955549cd045

tests: write hgrc of more than two lines by using shell heredoc Here document should be readable than repeating echo commands.
author Yuya Nishihara <yuya@tcha.org>
date Tue, 04 Nov 2014 23:41:46 +0900
parents 3681de20b0a7
children b502138f5faa
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 mercurial import parsers
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7 from mercurial.node import nullid, nullrev
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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 # original python implementation
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13 def gettype(q):
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14 return int(q & 0xFFFF)
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15
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16 def offset_type(offset, type):
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17 return long(long(offset) << 16 | type)
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18
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19 indexformatng = ">Qiiiiii20s12x"
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20
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21 def py_parseindex(data, inline) :
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22 s = 64
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23 cache = None
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24 index = []
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25 nodemap = {nullid: nullrev}
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26 n = off = 0
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27
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28 l = len(data) - s
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29 append = index.append
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30 if inline:
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31 cache = (0, data)
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32 while off <= l:
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33 e = struct.unpack(indexformatng, data[off:off + s])
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34 nodemap[e[7]] = n
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35 append(e)
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36 n += 1
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37 if e[1] < 0:
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38 break
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39 off += e[1] + s
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40 else:
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41 while off <= l:
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42 e = struct.unpack(indexformatng, data[off:off + s])
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43 nodemap[e[7]] = n
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44 append(e)
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45 n += 1
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46 off += s
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47
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48 e = list(index[0])
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49 type = gettype(e[0])
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50 e[0] = offset_type(0, type)
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51 index[0] = tuple(e)
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52
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53 # add the magic null revision at -1
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54 index.append((0, 0, 0, -1, -1, -1, -1, nullid))
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55
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56 return index, cache
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57
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58 data_inlined = '\x00\x01\x00\x01\x00\x00\x00\x00\x00\x00\x01\x8c' \
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59 '\x00\x00\x04\x07\x00\x00\x00\x00\x00\x00\x15\x15\xff\xff\xff' \
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60 '\xff\xff\xff\xff\xff\xebG\x97\xb7\x1fB\x04\xcf\x13V\x81\tw\x1b' \
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61 'w\xdduR\xda\xc6\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' \
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62 'x\x9c\x9d\x93?O\xc30\x10\xc5\xf7|\x8a\xdb\x9a\xa8m\x06\xd8*\x95' \
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63 '\x81B\xa1\xa2\xa2R\xcb\x86Pd\x9a\x0b5$vd_\x04\xfd\xf6\x9c\xff@' \
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64 '\x11!\x0b\xd9\xec\xf7\xbbw\xe7gG6\xad6\x04\xdaN\xc0\x92\xa0$)' \
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65 '\xb1\x82\xa2\xd1%\x16\xa4\x8b7\xa9\xca\xd4-\xb2Y\x02\xfc\xc9' \
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66 '\xcaS\xf9\xaeX\xed\xb6\xd77Q\x02\x83\xd4\x19\xf5--Y\xea\xe1W' \
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67 '\xab\xed\x10\xceR\x0f_\xdf\xdf\r\xe1,\xf5\xf0\xcb\xf5 \xceR\x0f' \
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68 '_\xdc\x0e\x0e\xc3R\x0f_\xae\x96\x9b!\x9e\xa5\x1e\xbf\xdb,\x06' \
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69 '\xc7q\x9a/\x88\x82\xc3B\xea\xb5\xb4TJ\x93\xb6\x82\x0e\xe16\xe6' \
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70 'KQ\xdb\xaf\xecG\xa3\xd1 \x01\xd3\x0b_^\xe8\xaa\xa0\xae\xad\xd1' \
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71 '&\xbef\x1bz\x08\xb0|\xc9Xz\x06\xf6Z\x91\x90J\xaa\x17\x90\xaa' \
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72 '\xd2\xa6\x11$5C\xcf\xba#\xa0\x03\x02*2\x92-\xfc\xb1\x94\xdf\xe2' \
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73 '\xae\xb8\'m\x8ey0^\x85\xd3\x82\xb4\xf0`:\x9c\x00\x8a\xfd\x01' \
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74 '\xb0\xc6\x86\x8b\xdd\xae\x80\xf3\xa9\x9fd\x16\n\x00R%\x1a\x06' \
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75 '\xe9\xd8b\x98\x1d\xf4\xf3+\x9bf\x01\xd8p\x1b\xf3.\xed\x9f^g\xc3' \
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76 '^\xd9W81T\xdb\xd5\x04sx|\xf2\xeb\xd6`%?x\xed"\x831\xbf\xf3\xdc' \
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77 'b\xeb%gaY\xe1\xad\x9f\xb9f\'1w\xa9\xa5a\x83s\x82J\xb98\xbc4\x8b' \
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78 '\x83\x00\x9f$z\xb8#\xa5\xb1\xdf\x98\xd9\xec\x1b\x89O\xe3Ts\x9a4' \
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79 '\x17m\x8b\xfc\x8f\xa5\x95\x9a\xfc\xfa\xed,\xe5|\xa1\xfe\x15\xb9' \
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80 '\xbc\xb2\x93\x1f\xf2\x95\xff\xdf,\x1a\xc5\xe7\x17*\x93Oz:>\x0e'
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81
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82 data_non_inlined = '\x00\x00\x00\x01\x00\x00\x00\x00\x00\x01D\x19' \
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83 '\x00\x07e\x12\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff' \
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84 '\xff\xff\xff\xff\xd1\xf4\xbb\xb0\xbe\xfc\x13\xbd\x8c\xd3\x9d' \
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85 '\x0f\xcd\xd9;\x8c\x07\x8cJ/\x00\x00\x00\x00\x00\x00\x00\x00\x00' \
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86 '\x00\x00\x00\x00\x00\x00\x01D\x19\x00\x00\x00\x00\x00\xdf\x00' \
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87 '\x00\x01q\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\xff' \
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88 '\xff\xff\xff\xc1\x12\xb9\x04\x96\xa4Z1t\x91\xdfsJ\x90\xf0\x9bh' \
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89 '\x07l&\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' \
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90 '\x00\x01D\xf8\x00\x00\x00\x00\x01\x1b\x00\x00\x01\xb8\x00\x00' \
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91 '\x00\x01\x00\x00\x00\x02\x00\x00\x00\x01\xff\xff\xff\xff\x02\n' \
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92 '\x0e\xc6&\xa1\x92\xae6\x0b\x02i\xfe-\xe5\xbao\x05\xd1\xe7\x00' \
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93 '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01F' \
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94 '\x13\x00\x00\x00\x00\x01\xec\x00\x00\x03\x06\x00\x00\x00\x01' \
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95 '\x00\x00\x00\x03\x00\x00\x00\x02\xff\xff\xff\xff\x12\xcb\xeby1' \
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96 '\xb6\r\x98B\xcb\x07\xbd`\x8f\x92\xd9\xc4\x84\xbdK\x00\x00\x00' \
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97 '\x00\x00\x00\x00\x00\x00\x00\x00\x00'
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98
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99 def parse_index2(data, inline):
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100 index, chunkcache = parsers.parse_index2(data, inline)
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101 return list(index), chunkcache
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102
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103 def importparsers(hexversion):
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104 """Import mercurial.parsers with the given sys.hexversion."""
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105 # The file parsers.c inspects sys.hexversion to determine the version
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106 # of the currently-running Python interpreter, so we monkey-patch
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107 # sys.hexversion to simulate using different versions.
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108 code = ("import sys; sys.hexversion=%s; "
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109 "import mercurial.parsers" % hexversion)
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110 cmd = "python -c \"%s\"" % code
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111 # We need to do these tests inside a subprocess because parser.c's
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112 # version-checking code happens inside the module init function, and
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113 # when using reload() to reimport an extension module, "The init function
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114 # of extension modules is not called a second time"
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115 # (from http://docs.python.org/2/library/functions.html?#reload).
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116 p = subprocess.Popen(cmd, shell=True,
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117 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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118 return p.communicate() # returns stdout, stderr
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119
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120 def printhexfail(testnumber, hexversion, stdout, expected):
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121 try:
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122 hexstring = hex(hexversion)
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123 except TypeError:
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124 hexstring = None
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125 print ("FAILED: version test #%s with Python %s and patched "
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126 "sys.hexversion %r (%r):\n Expected %s but got:\n-->'%s'\n" %
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127 (testnumber, sys.version_info, hexversion, hexstring, expected,
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128 stdout))
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129
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130 def testversionokay(testnumber, hexversion):
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131 stdout, stderr = importparsers(hexversion)
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132 if stdout:
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133 printhexfail(testnumber, hexversion, stdout, expected="no stdout")
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134
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135 def testversionfail(testnumber, hexversion):
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136 stdout, stderr = importparsers(hexversion)
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137 # We include versionerrortext to distinguish from other ImportErrors.
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138 errtext = "ImportError: %s" % parsers.versionerrortext
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139 if errtext not in stdout:
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140 printhexfail(testnumber, hexversion, stdout,
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141 expected="stdout to contain %r" % errtext)
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142
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143 def makehex(major, minor, micro):
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144 return int("%x%02x%02x00" % (major, minor, micro), 16)
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145
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146 def runversiontests():
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147 """Check the version-detection logic when importing parsers."""
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148 info = sys.version_info
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149 major, minor, micro = info[0], info[1], info[2]
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150 # Test same major-minor versions.
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151 testversionokay(1, makehex(major, minor, micro))
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152 testversionokay(2, makehex(major, minor, micro + 1))
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153 # Test different major-minor versions.
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154 testversionfail(3, makehex(major + 1, minor, micro))
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155 testversionfail(4, makehex(major, minor + 1, micro))
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156 testversionfail(5, "'foo'")
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157
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158 def runtest() :
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159 # Only test the version-detection logic if it is present.
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160 try:
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161 parsers.versionerrortext
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162 except AttributeError:
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163 pass
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164 else:
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165 runversiontests()
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166
20109
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167 # Check that parse_index2() raises TypeError on bad arguments.
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168 try:
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169 parse_index2(0, True)
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170 except TypeError:
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171 pass
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172 else:
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173 print "Expected to get TypeError."
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174
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175 # Check parsers.parse_index2() on an index file against the original
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176 # Python implementation of parseindex, both with and without inlined data.
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177
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178 py_res_1 = py_parseindex(data_inlined, True)
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179 c_res_1 = parse_index2(data_inlined, True)
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180
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181 py_res_2 = py_parseindex(data_non_inlined, False)
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182 c_res_2 = parse_index2(data_non_inlined, False)
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183
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184 if py_res_1 != c_res_1:
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185 print "Parse index result (with inlined data) differs!"
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186
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187 if py_res_2 != c_res_2:
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188 print "Parse index result (no inlined data) differs!"
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189
16414
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190 ix = parsers.parse_index2(data_inlined, True)[0]
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191 for i, r in enumerate(ix):
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192 if r[7] == nullid:
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193 i = -1
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194 try:
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195 if ix[r[7]] != i:
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196 print 'Reverse lookup inconsistent for %r' % r[7].encode('hex')
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197 except TypeError:
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198 # pure version doesn't support this
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199 break
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200
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201 print "done"
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202
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203 runtest()