Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_uu.py @ 79675:c0a2294de787 2.7

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Issue #16199: Backport 2to3 typo fix from 3.2.
author Chris Jerdonek <chris.jerdonek@gmail.com>
date Thu, 11 Oct 2012 16:15:46 -0700
parents 140d471b061a
children 8c2635afbfe1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 """
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2 Tests for uu module.
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3 Nick Mathewson
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4 """
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5
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6 import unittest
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7 from test import test_support
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8
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9 import sys, os, uu, cStringIO
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10 import uu
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11
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12 plaintext = "The smooth-scaled python crept over the sleeping dog\n"
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13
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14 encodedtext = """\
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15 M5&AE('-M;V]T:\"US8V%L960@<'ET:&]N(&-R97!T(&]V97(@=&AE('-L965P
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16 (:6YG(&1O9PH """
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17
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18 encodedtextwrapped = "begin %03o %s\n" + encodedtext.replace("%", "%%") + "\n \nend\n"
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19
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20 class UUTest(unittest.TestCase):
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21
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22 def test_encode(self):
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23 inp = cStringIO.StringIO(plaintext)
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24 out = cStringIO.StringIO()
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25 uu.encode(inp, out, "t1")
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26 self.assertEqual(out.getvalue(), encodedtextwrapped % (0666, "t1"))
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27 inp = cStringIO.StringIO(plaintext)
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28 out = cStringIO.StringIO()
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29 uu.encode(inp, out, "t1", 0644)
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30 self.assertEqual(out.getvalue(), encodedtextwrapped % (0644, "t1"))
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31
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32 def test_decode(self):
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33 inp = cStringIO.StringIO(encodedtextwrapped % (0666, "t1"))
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34 out = cStringIO.StringIO()
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35 uu.decode(inp, out)
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36 self.assertEqual(out.getvalue(), plaintext)
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37 inp = cStringIO.StringIO(
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38 "UUencoded files may contain many lines,\n" +
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39 "even some that have 'begin' in them.\n" +
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40 encodedtextwrapped % (0666, "t1")
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41 )
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42 out = cStringIO.StringIO()
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43 uu.decode(inp, out)
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44 self.assertEqual(out.getvalue(), plaintext)
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45
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46 def test_truncatedinput(self):
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47 inp = cStringIO.StringIO("begin 644 t1\n" + encodedtext)
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48 out = cStringIO.StringIO()
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49 try:
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50 uu.decode(inp, out)
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51 self.fail("No exception thrown")
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52 except uu.Error, e:
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53 self.assertEqual(str(e), "Truncated input file")
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54
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55 def test_missingbegin(self):
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56 inp = cStringIO.StringIO("")
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57 out = cStringIO.StringIO()
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58 try:
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59 uu.decode(inp, out)
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60 self.fail("No exception thrown")
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61 except uu.Error, e:
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62 self.assertEqual(str(e), "No valid begin line found in input file")
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63
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64 class UUStdIOTest(unittest.TestCase):
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65
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66 def setUp(self):
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67 self.stdin = sys.stdin
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68 self.stdout = sys.stdout
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69
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70 def tearDown(self):
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71 sys.stdin = self.stdin
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72 sys.stdout = self.stdout
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73
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74 def test_encode(self):
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75 sys.stdin = cStringIO.StringIO(plaintext)
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76 sys.stdout = cStringIO.StringIO()
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77 uu.encode("-", "-", "t1", 0666)
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78 self.assertEqual(
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79 sys.stdout.getvalue(),
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80 encodedtextwrapped % (0666, "t1")
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81 )
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82
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83 def test_decode(self):
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84 sys.stdin = cStringIO.StringIO(encodedtextwrapped % (0666, "t1"))
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85 sys.stdout = cStringIO.StringIO()
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86 uu.decode("-", "-")
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87 self.assertEqual(sys.stdout.getvalue(), plaintext)
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88
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89 class UUFileTest(unittest.TestCase):
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90
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91 def _kill(self, f):
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92 # close and remove file
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93 try:
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94 f.close()
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95 except (SystemExit, KeyboardInterrupt):
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96 raise
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97 except:
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98 pass
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99 try:
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100 os.unlink(f.name)
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101 except (SystemExit, KeyboardInterrupt):
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102 raise
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103 except:
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104 pass
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105
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106 def setUp(self):
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107 self.tmpin = test_support.TESTFN + "i"
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108 self.tmpout = test_support.TESTFN + "o"
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109
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110 def tearDown(self):
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111 del self.tmpin
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112 del self.tmpout
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113
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114 def test_encode(self):
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115 fin = fout = None
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116 try:
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8d555850f73d Remove the test file before writing it in case there is no write permission.
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117 test_support.unlink(self.tmpin)
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ca607d748f64 Try reverting part of r53145 that seems to cause the Windows buildbots to fail in test_uu.UUFileTest.test_encode
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118 fin = open(self.tmpin, 'wb')
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119 fin.write(plaintext)
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120 fin.close()
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121
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122 fin = open(self.tmpin, 'rb')
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123 fout = open(self.tmpout, 'w')
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124 uu.encode(fin, fout, self.tmpin, mode=0644)
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125 fin.close()
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126 fout.close()
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127
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128 fout = open(self.tmpout, 'r')
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129 s = fout.read()
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130 fout.close()
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131 self.assertEqual(s, encodedtextwrapped % (0644, self.tmpin))
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132
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133 # in_file and out_file as filenames
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134 uu.encode(self.tmpin, self.tmpout, self.tmpin, mode=0644)
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135 fout = open(self.tmpout, 'r')
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136 s = fout.read()
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137 fout.close()
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138 self.assertEqual(s, encodedtextwrapped % (0644, self.tmpin))
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139
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140 finally:
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141 self._kill(fin)
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142 self._kill(fout)
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143
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144 def test_decode(self):
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145 f = None
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146 try:
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147 test_support.unlink(self.tmpin)
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148 f = open(self.tmpin, 'w')
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149 f.write(encodedtextwrapped % (0644, self.tmpout))
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150 f.close()
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151
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152 f = open(self.tmpin, 'r')
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153 uu.decode(f)
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154 f.close()
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155
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156 f = open(self.tmpout, 'r')
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157 s = f.read()
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158 f.close()
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159 self.assertEqual(s, plaintext)
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160 # XXX is there an xp way to verify the mode?
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161 finally:
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162 self._kill(f)
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163
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164 def test_decode_filename(self):
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165 f = None
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166 try:
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167 test_support.unlink(self.tmpin)
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168 f = open(self.tmpin, 'w')
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169 f.write(encodedtextwrapped % (0644, self.tmpout))
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170 f.close()
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171
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172 uu.decode(self.tmpin)
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173
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174 f = open(self.tmpout, 'r')
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175 s = f.read()
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176 f.close()
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177 self.assertEqual(s, plaintext)
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178 finally:
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179 self._kill(f)
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180
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181 def test_decodetwice(self):
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182 # Verify that decode() will refuse to overwrite an existing file
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183 f = None
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184 try:
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185 f = cStringIO.StringIO(encodedtextwrapped % (0644, self.tmpout))
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186
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187 f = open(self.tmpin, 'r')
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188 uu.decode(f)
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189 f.close()
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190
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191 f = open(self.tmpin, 'r')
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192 self.assertRaises(uu.Error, uu.decode, f)
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193 f.close()
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194 finally:
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195 self._kill(f)
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196
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197 def test_main():
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198 test_support.run_unittest(UUTest, UUStdIOTest, UUFileTest)
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199
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200 if __name__=="__main__":
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201 test_main()