Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_cmd.py @ 79691:05c8928362ee

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Merge __next__ method link fixes with 3.3.
author Ezio Melotti <ezio.melotti@gmail.com>
date Fri, 12 Oct 2012 13:46:37 +0300
parents 294f8aeb4d4b
children
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1 #!/usr/bin/env python3
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2 """
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3 Test script for the 'cmd' module
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4 Original by Michael Schneider
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5 """
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6
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7
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8 import cmd
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9 import sys
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10 import re
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11 import unittest
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12 import io
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13 from test import support
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14
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15 class samplecmdclass(cmd.Cmd):
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16 """
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17 Instance the sampleclass:
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18 >>> mycmd = samplecmdclass()
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19
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20 Test for the function parseline():
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21 >>> mycmd.parseline("")
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22 (None, None, '')
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23 >>> mycmd.parseline("?")
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24 ('help', '', 'help ')
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25 >>> mycmd.parseline("?help")
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26 ('help', 'help', 'help help')
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27 >>> mycmd.parseline("!")
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28 ('shell', '', 'shell ')
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29 >>> mycmd.parseline("!command")
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30 ('shell', 'command', 'shell command')
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31 >>> mycmd.parseline("func")
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32 ('func', '', 'func')
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33 >>> mycmd.parseline("func arg1")
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34 ('func', 'arg1', 'func arg1')
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36
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37 Test for the function onecmd():
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38 >>> mycmd.onecmd("")
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39 >>> mycmd.onecmd("add 4 5")
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40 9
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41 >>> mycmd.onecmd("")
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42 9
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43 >>> mycmd.onecmd("test")
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44 *** Unknown syntax: test
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45
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46 Test for the function emptyline():
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47 >>> mycmd.emptyline()
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48 *** Unknown syntax: test
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49
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50 Test for the function default():
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51 >>> mycmd.default("default")
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52 *** Unknown syntax: default
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53
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54 Test for the function completedefault():
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55 >>> mycmd.completedefault()
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56 This is the completedefault methode
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57 >>> mycmd.completenames("a")
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58 ['add']
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59
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60 Test for the function completenames():
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61 >>> mycmd.completenames("12")
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62 []
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63 >>> mycmd.completenames("help")
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64 ['help']
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65
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66 Test for the function complete_help():
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67 >>> mycmd.complete_help("a")
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68 ['add']
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69 >>> mycmd.complete_help("he")
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70 ['help']
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71 >>> mycmd.complete_help("12")
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72 []
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73 >>> sorted(mycmd.complete_help(""))
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74 ['add', 'exit', 'help', 'shell']
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75
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76 Test for the function do_help():
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77 >>> mycmd.do_help("testet")
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78 *** No help on testet
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79 >>> mycmd.do_help("add")
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80 help text for add
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81 >>> mycmd.onecmd("help add")
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82 help text for add
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83 >>> mycmd.do_help("")
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84 <BLANKLINE>
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85 Documented commands (type help <topic>):
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86 ========================================
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87 add help
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88 <BLANKLINE>
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89 Undocumented commands:
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90 ======================
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91 exit shell
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92 <BLANKLINE>
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93
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94 Test for the function print_topics():
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95 >>> mycmd.print_topics("header", ["command1", "command2"], 2 ,10)
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96 header
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97 ======
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98 command1
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99 command2
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100 <BLANKLINE>
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101
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102 Test for the function columnize():
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103 >>> mycmd.columnize([str(i) for i in range(20)])
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104 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
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105 >>> mycmd.columnize([str(i) for i in range(20)], 10)
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106 0 7 14
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107 1 8 15
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108 2 9 16
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109 3 10 17
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110 4 11 18
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111 5 12 19
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112 6 13
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113
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114 This is a interactive test, put some commands in the cmdqueue attribute
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115 and let it execute
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116 This test includes the preloop(), postloop(), default(), emptyline(),
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117 parseline(), do_help() functions
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118 >>> mycmd.use_rawinput=0
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119 >>> mycmd.cmdqueue=["", "add", "add 4 5", "help", "help add","exit"]
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120 >>> mycmd.cmdloop()
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121 Hello from preloop
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122 help text for add
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123 *** invalid number of arguments
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124 9
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125 <BLANKLINE>
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126 Documented commands (type help <topic>):
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127 ========================================
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128 add help
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129 <BLANKLINE>
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130 Undocumented commands:
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131 ======================
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132 exit shell
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133 <BLANKLINE>
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134 help text for add
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135 Hello from postloop
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136 """
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137
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138 def preloop(self):
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139 print("Hello from preloop")
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140
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141 def postloop(self):
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142 print("Hello from postloop")
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143
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144 def completedefault(self, *ignored):
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145 print("This is the completedefault methode")
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146
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147 def complete_command(self):
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148 print("complete command")
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149
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150 def do_shell(self, s):
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151 pass
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152
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153 def do_add(self, s):
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154 l = s.split()
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155 if len(l) != 2:
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156 print("*** invalid number of arguments")
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157 return
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158 try:
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159 l = [int(i) for i in l]
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160 except ValueError:
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161 print("*** arguments should be numbers")
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162 return
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163 print(l[0]+l[1])
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164
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165 def help_add(self):
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166 print("help text for add")
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167 return
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168
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169 def do_exit(self, arg):
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170 return True
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171
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172
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173 class TestAlternateInput(unittest.TestCase):
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174
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175 class simplecmd(cmd.Cmd):
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176
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177 def do_print(self, args):
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178 print(args, file=self.stdout)
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179
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180 def do_EOF(self, args):
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181 return True
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182
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183
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184 class simplecmd2(simplecmd):
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185
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186 def do_EOF(self, args):
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187 print('*** Unknown syntax: EOF', file=self.stdout)
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188 return True
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189
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190
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191 def test_file_with_missing_final_nl(self):
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192 input = io.StringIO("print test\nprint test2")
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193 output = io.StringIO()
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194 cmd = self.simplecmd(stdin=input, stdout=output)
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195 cmd.use_rawinput = False
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196 cmd.cmdloop()
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197 self.assertMultiLineEqual(output.getvalue(),
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198 ("(Cmd) test\n"
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199 "(Cmd) test2\n"
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200 "(Cmd) "))
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201
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202
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203 def test_input_reset_at_EOF(self):
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204 input = io.StringIO("print test\nprint test2")
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205 output = io.StringIO()
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206 cmd = self.simplecmd2(stdin=input, stdout=output)
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207 cmd.use_rawinput = False
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208 cmd.cmdloop()
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209 self.assertMultiLineEqual(output.getvalue(),
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210 ("(Cmd) test\n"
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211 "(Cmd) test2\n"
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212 "(Cmd) *** Unknown syntax: EOF\n"))
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213 input = io.StringIO("print \n\n")
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214 output = io.StringIO()
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215 cmd.stdin = input
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216 cmd.stdout = output
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217 cmd.cmdloop()
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218 self.assertMultiLineEqual(output.getvalue(),
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219 ("(Cmd) \n"
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220 "(Cmd) \n"
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221 "(Cmd) *** Unknown syntax: EOF\n"))
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222
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223
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224 def test_main(verbose=None):
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225 from test import test_cmd
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226 support.run_doctest(test_cmd, verbose)
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227 support.run_unittest(TestAlternateInput)
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228
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229 def test_coverage(coverdir):
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230 trace = support.import_module('trace')
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231 tracer=trace.Trace(ignoredirs=[sys.base_prefix, sys.base_exec_prefix,],
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232 trace=0, count=1)
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233 tracer.run('reload(cmd);test_main()')
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234 r=tracer.results()
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235 print("Writing coverage results...")
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236 r.write_results(show_missing=True, summary=True, coverdir=coverdir)
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237
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238 if __name__ == "__main__":
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239 if "-c" in sys.argv:
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240 test_coverage('/tmp/cmd.cover')
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241 elif "-i" in sys.argv:
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242 samplecmdclass().cmdloop()
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243 else:
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244 test_main()