annotate src/testdir/test_channel.py @ 19783:546bdeef35f1 v8.2.0448

patch 8.2.0448: various functions not properly tested Commit: https://github.com/vim/vim/commit/0e05de46226eb4e5ea580beefa71831f92d613d3 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Mar 25 22:23:46 2020 +0100 patch 8.2.0448: various functions not properly tested Problem: Various functions not properly tested. Solution: Add more tests, especially for failures. (Yegappan Lakshmanan, closes #5843)
author Bram Moolenaar <Bram@vim.org>
date Wed, 25 Mar 2020 22:30:04 +0100
parents 33a2277b8d4d
children e373843e2980
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/usr/bin/python
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2 #
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3 # Server that will accept connections from a Vim channel.
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4 # Used by test_channel.vim.
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5 #
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6 # This requires Python 2.6 or later.
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7
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8 from __future__ import print_function
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9 import json
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10 import socket
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11 import sys
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12 import time
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13 import threading
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14
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15 try:
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16 # Python 3
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17 import socketserver
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18 except ImportError:
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19 # Python 2
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20 import SocketServer as socketserver
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22 class ThreadedTCPRequestHandler(socketserver.BaseRequestHandler):
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24 def handle(self):
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25 print("=== socket opened ===")
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26 while True:
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27 try:
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28 received = self.request.recv(4096).decode('utf-8')
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29 except socket.error:
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30 print("=== socket error ===")
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31 break
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32 except IOError:
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33 print("=== socket closed ===")
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34 break
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35 if received == '':
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36 print("=== socket closed ===")
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37 break
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38 print("received: {0}".format(received))
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40 # We may receive two messages at once. Take the part up to the
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41 # newline, which should be after the matching "]".
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42 todo = received
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43 while todo != '':
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44 splitidx = todo.find('\n')
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45 if splitidx < 0:
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46 used = todo
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47 todo = ''
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48 else:
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49 used = todo[:splitidx]
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50 todo = todo[splitidx + 1:]
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51 if used != received:
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52 print("using: {0}".format(used))
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54 try:
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55 decoded = json.loads(used)
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56 except ValueError:
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57 print("json decoding failed")
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58 decoded = [-1, '']
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59
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60 # Send a response if the sequence number is positive.
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61 if decoded[0] >= 0:
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62 if decoded[1] == 'hello!':
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63 # simply send back a string
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64 response = "got it"
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65 elif decoded[1] == 'malformed1':
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66 cmd = '["ex",":"]wrong!["ex","smi"]'
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67 print("sending: {0}".format(cmd))
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68 self.request.sendall(cmd.encode('utf-8'))
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69 response = "ok"
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70 # Need to wait for Vim to give up, otherwise it
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71 # sometimes fails on OS X.
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72 time.sleep(0.2)
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73 elif decoded[1] == 'malformed2':
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74 cmd = '"unterminated string'
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75 print("sending: {0}".format(cmd))
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76 self.request.sendall(cmd.encode('utf-8'))
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77 response = "ok"
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78 # Need to wait for Vim to give up, otherwise the double
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79 # quote in the "ok" response terminates the string.
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80 time.sleep(0.2)
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81 elif decoded[1] == 'malformed3':
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82 cmd = '["ex","missing ]"'
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83 print("sending: {0}".format(cmd))
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84 self.request.sendall(cmd.encode('utf-8'))
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85 response = "ok"
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86 # Need to wait for Vim to give up, otherwise the ]
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87 # in the "ok" response terminates the list.
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88 time.sleep(0.2)
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89 elif decoded[1] == 'split':
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90 cmd = '["ex","let '
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91 print("sending: {0}".format(cmd))
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92 self.request.sendall(cmd.encode('utf-8'))
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93 time.sleep(0.01)
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94 cmd = 'g:split = 123"]'
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95 print("sending: {0}".format(cmd))
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96 self.request.sendall(cmd.encode('utf-8'))
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97 response = "ok"
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98 elif decoded[1].startswith("echo "):
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99 # send back the argument
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100 response = decoded[1][5:]
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101 elif decoded[1] == 'make change':
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102 # Send two ex commands at the same time, before
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103 # replying to the request.
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104 cmd = '["ex","call append(\\"$\\",\\"added1\\")"]'
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105 cmd += '["ex","call append(\\"$\\",\\"added2\\")"]'
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106 print("sending: {0}".format(cmd))
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107 self.request.sendall(cmd.encode('utf-8'))
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108 response = "ok"
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109 elif decoded[1] == 'bad command':
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diff changeset
110 cmd = '["ex","foo bar"]'
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111 print("sending: {0}".format(cmd))
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112 self.request.sendall(cmd.encode('utf-8'))
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113 response = "ok"
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114 elif decoded[1] == 'do normal':
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115 # Send a normal command.
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116 cmd = '["normal","G$s more\u001b"]'
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117 print("sending: {0}".format(cmd))
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118 self.request.sendall(cmd.encode('utf-8'))
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119 response = "ok"
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120 elif decoded[1] == 'eval-works':
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121 # Send an eval request. We ignore the response.
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122 cmd = '["expr","\\"foo\\" . 123", -1]'
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123 print("sending: {0}".format(cmd))
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124 self.request.sendall(cmd.encode('utf-8'))
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125 response = "ok"
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126 elif decoded[1] == 'eval-special':
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127 # Send an eval request. We ignore the response.
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diff changeset
128 cmd = '["expr","\\"foo\x7f\x10\x01bar\\"", -2]'
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129 print("sending: {0}".format(cmd))
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130 self.request.sendall(cmd.encode('utf-8'))
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131 response = "ok"
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132 elif decoded[1] == 'eval-getline':
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133 # Send an eval request. We ignore the response.
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diff changeset
134 cmd = '["expr","getline(3)", -3]'
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135 print("sending: {0}".format(cmd))
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diff changeset
136 self.request.sendall(cmd.encode('utf-8'))
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diff changeset
137 response = "ok"
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138 elif decoded[1] == 'eval-fails':
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139 # Send an eval request that will fail.
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140 cmd = '["expr","xxx", -4]'
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141 print("sending: {0}".format(cmd))
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142 self.request.sendall(cmd.encode('utf-8'))
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143 response = "ok"
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144 elif decoded[1] == 'eval-error':
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145 # Send an eval request that works but the result can't
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146 # be encoded.
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147 cmd = '["expr","function(\\"tr\\")", -5]'
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148 print("sending: {0}".format(cmd))
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149 self.request.sendall(cmd.encode('utf-8'))
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150 response = "ok"
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151 elif decoded[1] == 'eval-bad':
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152 # Send an eval request missing the third argument.
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153 cmd = '["expr","xxx"]'
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154 print("sending: {0}".format(cmd))
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diff changeset
155 self.request.sendall(cmd.encode('utf-8'))
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diff changeset
156 response = "ok"
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157 elif decoded[1] == 'an expr':
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158 # Send an expr request.
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159 cmd = '["expr","setline(\\"$\\", [\\"one\\",\\"two\\",\\"three\\"])"]'
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160 print("sending: {0}".format(cmd))
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diff changeset
161 self.request.sendall(cmd.encode('utf-8'))
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diff changeset
162 response = "ok"
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163 elif decoded[1] == 'call-func':
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164 cmd = '["call","MyFunction",[1,2,3], 0]'
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165 print("sending: {0}".format(cmd))
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166 self.request.sendall(cmd.encode('utf-8'))
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diff changeset
167 response = "ok"
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diff changeset
168 elif decoded[1] == 'redraw':
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169 cmd = '["redraw",""]'
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170 print("sending: {0}".format(cmd))
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171 self.request.sendall(cmd.encode('utf-8'))
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diff changeset
172 response = "ok"
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173 elif decoded[1] == 'redraw!':
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174 cmd = '["redraw","force"]'
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175 print("sending: {0}".format(cmd))
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176 self.request.sendall(cmd.encode('utf-8'))
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177 response = "ok"
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178 elif decoded[1] == 'empty-request':
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179 cmd = '[]'
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180 print("sending: {0}".format(cmd))
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diff changeset
181 self.request.sendall(cmd.encode('utf-8'))
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182 response = "ok"
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183 elif decoded[1] == 'eval-result':
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184 # Send back the last received eval result.
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185 response = last_eval
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186 elif decoded[1] == 'call me':
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187 cmd = '[0,"we called you"]'
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188 print("sending: {0}".format(cmd))
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189 self.request.sendall(cmd.encode('utf-8'))
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190 response = "ok"
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191 elif decoded[1] == 'call me again':
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192 cmd = '[0,"we did call you"]'
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193 print("sending: {0}".format(cmd))
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194 self.request.sendall(cmd.encode('utf-8'))
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195 response = ""
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196 elif decoded[1] == 'send zero':
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197 cmd = '[0,"zero index"]'
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198 print("sending: {0}".format(cmd))
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199 self.request.sendall(cmd.encode('utf-8'))
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200 response = "sent zero"
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201 elif decoded[1] == 'close me':
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202 print("closing")
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203 self.request.close()
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204 response = ""
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205 elif decoded[1] == 'wait a bit':
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206 time.sleep(0.2)
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207 response = "waited"
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208 elif decoded[1] == '!quit!':
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209 # we're done
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210 self.server.shutdown()
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211 return
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212 elif decoded[1] == '!crash!':
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213 # Crash!
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214 42 / 0
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215 else:
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216 response = "what?"
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217
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218 if response == "":
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219 print("no response")
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220 else:
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221 encoded = json.dumps([decoded[0], response])
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222 print("sending: {0}".format(encoded))
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223 self.request.sendall(encoded.encode('utf-8'))
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224
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225 # Negative numbers are used for "eval" responses.
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226 elif decoded[0] < 0:
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227 last_eval = decoded
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228
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229 class ThreadedTCPServer(socketserver.ThreadingMixIn, socketserver.TCPServer):
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230 pass
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231
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232 def writePortInFile(port):
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233 # Write the port number in Xportnr, so that the test knows it.
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234 f = open("Xportnr", "w")
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235 f.write("{0}".format(port))
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236 f.close()
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237
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238 if __name__ == "__main__":
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239 HOST, PORT = "localhost", 0
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240
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241 # Wait half a second before opening the port to test waittime in ch_open().
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242 # We do want to get the port number, get that first. We cannot open the
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243 # socket, guess a port is free.
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244 if len(sys.argv) >= 2 and sys.argv[1] == 'delay':
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245 PORT = 13684
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246 writePortInFile(PORT)
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247
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248 print("Wait for it...")
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249 time.sleep(0.5)
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250
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251 server = ThreadedTCPServer((HOST, PORT), ThreadedTCPRequestHandler)
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252 ip, port = server.server_address
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253
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254 # Start a thread with the server. That thread will then start a new thread
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255 # for each connection.
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256 server_thread = threading.Thread(target=server.serve_forever)
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257 server_thread.start()
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258
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259 writePortInFile(port)
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260
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261 print("Listening on port {0}".format(port))
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262
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263 # Main thread terminates, but the server continues running
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264 # until server.shutdown() is called.
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265 try:
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266 while server_thread.isAlive():
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267 server_thread.join(1)
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268 except (KeyboardInterrupt, SystemExit):
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269 server.shutdown()