annotate tests/test-parseindex2.py @ 23344:6333412245ec stable

mq: when setting message in plain mode, separate it from header (issue4453) Fix inconsistent handling of plain header separation in mq patcheader - and contrary to c87f2a5a6e49, do it in the direction of having an empty line between header and description. Plain patches are like mails and should thus have an empty line between headers and body in compliance with RFC 822 3.1.
author Mads Kiilerich <madski@unity3d.com>
date Sun, 16 Nov 2014 19:57:40 +0100
parents 3681de20b0a7
children b502138f5faa
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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() :
20742
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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
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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()