Mercurial > vim

annotate src/testdir/test_channel.vim @ 8210:b717dae2f26d v7.4.1398

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commit https://github.com/vim/vim/commit/4e221c99e85ed40c98892068a01270b9e7492d98 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Feb 23 13:20:22 2016 +0100 patch 7.4.1398 Problem: The close-cb option is not implemented yet. Solution: Implemente close-cb. (Yasuhiro Matsumoto)
author Christian Brabandt <cb@256bit.org>
date Tue, 23 Feb 2016 13:30:07 +0100
parents f2286ff0c102
children 4f0677020a43
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1 " Test for channel functions.
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2 scriptencoding utf-8
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3
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4 if !has('channel')
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5 finish
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6 endif
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7
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8 " This test requires the Python command to run the test server.
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9 " This most likely only works on Unix and Windows.
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10 if has('unix')
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11 " We also need the job feature or the pkill command to make sure the server
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12 " can be stopped.
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13 if !(executable('python') && (has('job') || executable('pkill')))
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14 finish
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15 endif
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16 let s:python = 'python'
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17 elseif has('win32')
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18 " Use Python Launcher for Windows (py.exe) if available.
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19 if executable('py.exe')
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20 let s:python = 'py.exe'
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21 elseif executable('python.exe')
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22 let s:python = 'python.exe'
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23 else
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24 finish
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25 endif
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26 else
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27 " Can't run this test.
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28 finish
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29 endif
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31 let s:chopt = {}
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32
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33 " Run "testfunc" after sarting the server and stop the server afterwards.
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34 func s:run_server(testfunc, ...)
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35 " The Python program writes the port number in Xportnr.
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36 call delete("Xportnr")
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37
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38 if a:0 == 1
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39 let arg = ' ' . a:1
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40 else
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41 let arg = ''
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42 endif
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43 let cmd = s:python . " test_channel.py" . arg
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44
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45 try
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46 if has('job')
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47 let s:job = job_start(cmd, {"stoponexit": "hup"})
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48 call job_setoptions(s:job, {"stoponexit": "kill"})
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49 elseif has('win32')
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50 exe 'silent !start cmd /c start "test_channel" ' . cmd
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51 else
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52 exe 'silent !' . cmd . '&'
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53 endif
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54
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55 " Wait for up to 2 seconds for the port number to be there.
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56 let cnt = 20
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57 let l = []
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58 while cnt > 0
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59 try
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60 let l = readfile("Xportnr")
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61 catch
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62 endtry
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63 if len(l) >= 1
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64 break
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65 endif
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66 sleep 100m
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67 let cnt -= 1
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68 endwhile
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69 call delete("Xportnr")
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70
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71 if len(l) == 0
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72 " Can't make the connection, give up.
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73 call assert_false(1, "Can't start test_channel.py")
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74 return -1
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75 endif
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76 let port = l[0]
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77
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78 call call(function(a:testfunc), [port])
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79 catch
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80 call assert_false(1, "Caught exception: " . v:exception)
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81 finally
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82 call s:kill_server()
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83 endtry
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84 endfunc
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85
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86 func s:kill_server()
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87 if has('job')
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88 if exists('s:job')
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89 call job_stop(s:job)
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90 unlet s:job
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91 endif
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92 elseif has('win32')
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93 call system('taskkill /IM ' . s:python . ' /T /F /FI "WINDOWTITLE eq test_channel"')
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94 else
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95 call system("pkill -f test_channel.py")
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96 endif
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97 endfunc
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98
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99 let s:responseMsg = ''
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100 func s:RequestHandler(handle, msg)
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101 let s:responseHandle = a:handle
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102 let s:responseMsg = a:msg
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103 endfunc
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104
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105 func s:communicate(port)
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106 let handle = ch_open('localhost:' . a:port, s:chopt)
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107 if ch_status(handle) == "fail"
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108 call assert_false(1, "Can't open channel")
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109 return
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110 endif
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111
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112 " Simple string request and reply.
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113 call assert_equal('got it', ch_sendexpr(handle, 'hello!'))
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114
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115 " Request that triggers sending two ex commands. These will usually be
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116 " handled before getting the response, but it's not guaranteed, thus wait a
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117 " tiny bit for the commands to get executed.
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118 call assert_equal('ok', ch_sendexpr(handle, 'make change'))
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119 sleep 10m
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120 call assert_equal('added1', getline(line('$') - 1))
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121 call assert_equal('added2', getline('$'))
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122
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123 call assert_equal('ok', ch_sendexpr(handle, 'do normal'))
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124 sleep 10m
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125 call assert_equal('added more', getline('$'))
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126
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127 " Send a request with a specific handler.
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128 call ch_sendexpr(handle, 'hello!', {'callback': 's:RequestHandler'})
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129 sleep 10m
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130 if !exists('s:responseHandle')
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131 call assert_false(1, 's:responseHandle was not set')
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132 else
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133 call assert_equal(handle, s:responseHandle)
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134 endif
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135 call assert_equal('got it', s:responseMsg)
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136
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137 unlet s:responseHandle
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138 let s:responseMsg = ''
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139 call ch_sendexpr(handle, 'hello!', {'callback': function('s:RequestHandler')})
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140 sleep 10m
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141 if !exists('s:responseHandle')
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142 call assert_false(1, 's:responseHandle was not set')
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143 else
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144 call assert_equal(handle, s:responseHandle)
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145 endif
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146 call assert_equal('got it', s:responseMsg)
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147
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148 " check setting options (without testing the effect)
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149 call ch_setoptions(handle, {'callback': 's:NotUsed'})
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150 call ch_setoptions(handle, {'timeout': 1111})
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151 call ch_setoptions(handle, {'mode': 'json'})
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152 call assert_fails("call ch_setoptions(handle, {'waittime': 111})", "E475")
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153 call ch_setoptions(handle, {'callback': ''})
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154
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155 " Send an eval request that works.
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156 call assert_equal('ok', ch_sendexpr(handle, 'eval-works'))
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157 sleep 10m
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158 call assert_equal([-1, 'foo123'], ch_sendexpr(handle, 'eval-result'))
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159
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160 " Send an eval request that fails.
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161 call assert_equal('ok', ch_sendexpr(handle, 'eval-fails'))
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162 sleep 10m
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163 call assert_equal([-2, 'ERROR'], ch_sendexpr(handle, 'eval-result'))
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164
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165 " Send an eval request that works but can't be encoded.
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166 call assert_equal('ok', ch_sendexpr(handle, 'eval-error'))
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167 sleep 10m
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168 call assert_equal([-3, 'ERROR'], ch_sendexpr(handle, 'eval-result'))
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169
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170 " Send a bad eval request. There will be no response.
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171 call assert_equal('ok', ch_sendexpr(handle, 'eval-bad'))
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172 sleep 10m
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173 call assert_equal([-3, 'ERROR'], ch_sendexpr(handle, 'eval-result'))
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174
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175 " Send an expr request
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176 call assert_equal('ok', ch_sendexpr(handle, 'an expr'))
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177 sleep 10m
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178 call assert_equal('one', getline(line('$') - 2))
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179 call assert_equal('two', getline(line('$') - 1))
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180 call assert_equal('three', getline('$'))
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181
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182 " Request a redraw, we don't check for the effect.
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183 call assert_equal('ok', ch_sendexpr(handle, 'redraw'))
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184 call assert_equal('ok', ch_sendexpr(handle, 'redraw!'))
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185
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186 call assert_equal('ok', ch_sendexpr(handle, 'empty-request'))
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187
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188 " Reading while there is nothing available.
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189 " TODO: make this work for MS-Windows
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190 if has('unix')
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191 call assert_equal(v:none, ch_read(handle, {'timeout': 0}))
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192 let start = reltime()
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193 call assert_equal(v:none, ch_read(handle, {'timeout': 333}))
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194 let elapsed = reltime(start)
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195 call assert_true(reltimefloat(elapsed) > 0.3)
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196 call assert_true(reltimefloat(elapsed) < 0.6)
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197 endif
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198
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199 " Send without waiting for a response, then wait for a response.
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200 call ch_sendexpr(handle, 'wait a bit', {'callback': 0})
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201 let resp = ch_read(handle)
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202 call assert_equal(type([]), type(resp))
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203 call assert_equal(type(11), type(resp[0]))
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204 call assert_equal('waited', resp[1])
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205
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206 " make the server quit, can't check if this works, should not hang.
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207 call ch_sendexpr(handle, '!quit!', {'callback': 0})
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208 endfunc
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209
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210 func Test_communicate()
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211 call ch_log('Test_communicate()')
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212 call s:run_server('s:communicate')
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213 endfunc
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214
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215 " Test that we can open two channels.
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216 func s:two_channels(port)
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217 let handle = ch_open('localhost:' . a:port, s:chopt)
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218 if ch_status(handle) == "fail"
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219 call assert_false(1, "Can't open channel")
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220 return
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221 endif
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222
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223 call assert_equal('got it', ch_sendexpr(handle, 'hello!'))
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224
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225 let newhandle = ch_open('localhost:' . a:port, s:chopt)
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226 if ch_status(newhandle) == "fail"
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227 call assert_false(1, "Can't open second channel")
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228 return
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229 endif
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230 call assert_equal('got it', ch_sendexpr(newhandle, 'hello!'))
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231 call assert_equal('got it', ch_sendexpr(handle, 'hello!'))
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232
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233 call ch_close(handle)
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234 call assert_equal('got it', ch_sendexpr(newhandle, 'hello!'))
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235
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236 call ch_close(newhandle)
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237 endfunc
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238
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239 func Test_two_channels()
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240 call ch_log('Test_two_channels()')
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241 call s:run_server('s:two_channels')
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242 endfunc
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243
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244 " Test that a server crash is handled gracefully.
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245 func s:server_crash(port)
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246 let handle = ch_open('localhost:' . a:port, s:chopt)
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247 if ch_status(handle) == "fail"
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248 call assert_false(1, "Can't open channel")
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249 return
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250 endif
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251
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252 call ch_sendexpr(handle, '!crash!')
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253
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254 sleep 10m
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255 endfunc
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256
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257 func Test_server_crash()
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258 call ch_log('Test_server_crash()')
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259 call s:run_server('s:server_crash')
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260 endfunc
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261
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262 let s:reply = ""
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263 func s:Handler(chan, msg)
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264 unlet s:reply
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265 let s:reply = a:msg
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266 endfunc
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267
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268 func s:channel_handler(port)
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269 let handle = ch_open('localhost:' . a:port, s:chopt)
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270 if ch_status(handle) == "fail"
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271 call assert_false(1, "Can't open channel")
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272 return
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273 endif
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274
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275 " Test that it works while waiting on a numbered message.
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276 call assert_equal('ok', ch_sendexpr(handle, 'call me'))
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277 sleep 10m
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278 call assert_equal('we called you', s:reply)
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279
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280 " Test that it works while not waiting on a numbered message.
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281 call ch_sendexpr(handle, 'call me again', {'callback': 0})
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282 sleep 10m
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283 call assert_equal('we did call you', s:reply)
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284 endfunc
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285
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286 func Test_channel_handler()
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287 call ch_log('Test_channel_handler()')
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288 let s:chopt.callback = 's:Handler'
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diff changeset
289 call s:run_server('s:channel_handler')
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290 let s:chopt.callback = function('s:Handler')
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291 call s:run_server('s:channel_handler')
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292 unlet s:chopt.callback
8009
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diff changeset
293 endfunc
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294
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diff changeset
295 " Test that trying to connect to a non-existing port fails quickly.
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296 func Test_connect_waittime()
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297 call ch_log('Test_connect_waittime()')
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298 let start = reltime()
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299 let handle = ch_open('localhost:9876', s:chopt)
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300 if ch_status(handle) != "fail"
7982
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301 " Oops, port does exists.
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302 call ch_close(handle)
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303 else
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304 let elapsed = reltime(start)
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305 call assert_true(reltimefloat(elapsed) < 1.0)
7982
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diff changeset
306 endif
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diff changeset
307
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308 " We intend to use a socket that doesn't exist and wait for half a second
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diff changeset
309 " before giving up. If the socket does exist it can fail in various ways.
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310 " Check for "Connection reset by peer" to avoid flakyness.
7982
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311 let start = reltime()
8168
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diff changeset
312 try
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313 let handle = ch_open('localhost:9867', {'waittime': 500})
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314 if ch_status(handle) != "fail"
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315 " Oops, port does exists.
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diff changeset
316 call ch_close(handle)
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317 else
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318 " Failed connection should wait about 500 msec.
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319 let elapsed = reltime(start)
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320 call assert_true(reltimefloat(elapsed) > 0.3)
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321 call assert_true(reltimefloat(elapsed) < 1.0)
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diff changeset
322 endif
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diff changeset
323 catch
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diff changeset
324 if v:exception !~ 'Connection reset by peer'
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325 call assert_false(1, "Caught exception: " . v:exception)
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diff changeset
326 endif
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327 endtry
7982
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328 endfunc
8031
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329
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330 func Test_raw_pipe()
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331 if !has('job')
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332 return
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333 endif
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334 call ch_log('Test_raw_pipe()')
8084
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diff changeset
335 let job = job_start(s:python . " test_channel_pipe.py", {'mode': 'raw'})
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336 call assert_equal("run", job_status(job))
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337 try
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338 let handle = job_getchannel(job)
8094
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339 call ch_sendraw(handle, "echo something\n", {'callback': 0})
8084
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340 let msg = ch_readraw(handle)
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341 call assert_equal("something\n", substitute(msg, "\r", "", 'g'))
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342
8094
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343 call ch_sendraw(handle, "double this\n", {'callback': 0})
8084
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344 let msg = ch_readraw(handle)
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345 call assert_equal("this\nAND this\n", substitute(msg, "\r", "", 'g'))
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diff changeset
346
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347 let reply = ch_sendraw(handle, "quit\n")
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348 call assert_equal("Goodbye!\n", substitute(reply, "\r", "", 'g'))
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diff changeset
349 finally
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diff changeset
350 call job_stop(job)
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diff changeset
351 endtry
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diff changeset
352 endfunc
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diff changeset
353
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diff changeset
354 func Test_nl_pipe()
8059
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diff changeset
355 if !has('job')
8031
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356 return
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diff changeset
357 endif
8114
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358 call ch_log('Test_nl_pipe()')
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diff changeset
359 let job = job_start(s:python . " test_channel_pipe.py")
8031
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360 call assert_equal("run", job_status(job))
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diff changeset
361 try
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362 let handle = job_getchannel(job)
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363 call ch_sendraw(handle, "echo something\n", {'callback': 0})
8084
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364 call assert_equal("something", ch_readraw(handle))
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diff changeset
365
8094
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366 call ch_sendraw(handle, "double this\n", {'callback': 0})
8084
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367 call assert_equal("this", ch_readraw(handle))
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368 call assert_equal("AND this", ch_readraw(handle))
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diff changeset
369
8031
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370 let reply = ch_sendraw(handle, "quit\n")
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371 call assert_equal("Goodbye!", reply)
8031
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diff changeset
372 finally
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373 call job_stop(job)
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374 endtry
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375 endfunc
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376
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377 """"""""""
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378
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379 let s:unletResponse = ''
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380 func s:UnletHandler(handle, msg)
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381 let s:unletResponse = a:msg
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diff changeset
382 unlet s:channelfd
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383 endfunc
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diff changeset
384
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diff changeset
385 " Test that "unlet handle" in a handler doesn't crash Vim.
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diff changeset
386 func s:unlet_handle(port)
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387 let s:channelfd = ch_open('localhost:' . a:port, s:chopt)
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388 call ch_sendexpr(s:channelfd, "test", {'callback': function('s:UnletHandler')})
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diff changeset
389 sleep 10m
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parents: 8045
diff changeset
390 call assert_equal('what?', s:unletResponse)
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391 endfunc
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diff changeset
392
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diff changeset
393 func Test_unlet_handle()
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394 call ch_log('Test_unlet_handle()')
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395 call s:run_server('s:unlet_handle')
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diff changeset
396 endfunc
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diff changeset
397
8074
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398 """"""""""
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parents: 8070
diff changeset
399
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400 let s:unletResponse = ''
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401 func s:CloseHandler(handle, msg)
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402 let s:unletResponse = a:msg
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403 call ch_close(s:channelfd)
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parents: 8070
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404 endfunc
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diff changeset
405
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parents: 8070
diff changeset
406 " Test that "unlet handle" in a handler doesn't crash Vim.
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407 func s:close_handle(port)
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408 let s:channelfd = ch_open('localhost:' . a:port, s:chopt)
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409 call ch_sendexpr(s:channelfd, "test", {'callback': function('s:CloseHandler')})
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410 sleep 10m
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411 call assert_equal('what?', s:unletResponse)
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parents: 8070
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412 endfunc
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parents: 8070
diff changeset
413
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parents: 8070
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414 func Test_close_handle()
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415 call ch_log('Test_close_handle()')
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416 call s:run_server('s:close_handle')
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parents: 8070
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417 endfunc
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418
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419 """"""""""
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420
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421 func Test_open_fail()
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422 call ch_log('Test_open_fail()')
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423 silent! let ch = ch_open("noserver")
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424 echo ch
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425 let d = ch
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426 endfunc
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parents: 8096
diff changeset
427
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428 """"""""""
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parents: 8096
diff changeset
429
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430 func s:open_delay(port)
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431 " Wait up to a second for the port to open.
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432 let s:chopt.waittime = 1000
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433 let channel = ch_open('localhost:' . a:port, s:chopt)
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434 unlet s:chopt.waittime
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435 if ch_status(channel) == "fail"
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436 call assert_false(1, "Can't open channel")
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diff changeset
437 return
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438 endif
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439 call assert_equal('got it', ch_sendexpr(channel, 'hello!'))
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440 call ch_close(channel)
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441 endfunc
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parents: 8096
diff changeset
442
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diff changeset
443 func Test_open_delay()
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444 call ch_log('Test_open_delay()')
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445 " The server will wait half a second before creating the port.
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446 call s:run_server('s:open_delay', 'delay')
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447 endfunc
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diff changeset
448
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449 """""""""
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parents: 8157
diff changeset
450
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451 function MyFunction(a,b,c)
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452 let s:call_ret = [a:a, a:b, a:c]
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parents: 8157
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453 endfunc
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parents: 8157
diff changeset
454
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diff changeset
455 function s:test_call(port)
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456 let handle = ch_open('localhost:' . a:port, s:chopt)
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457 if ch_status(handle) == "fail"
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458 call assert_false(1, "Can't open channel")
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parents: 8157
diff changeset
459 return
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parents: 8157
diff changeset
460 endif
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parents: 8157
diff changeset
461
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462 call assert_equal('ok', ch_sendexpr(handle, 'call-func'))
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diff changeset
463 sleep 20m
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diff changeset
464 call assert_equal([1, 2, 3], s:call_ret)
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465 endfunc
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parents: 8157
diff changeset
466
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467 func Test_call()
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468 call ch_log('Test_call()')
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469 call s:run_server('s:test_call')
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470 endfunc
8174
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parents: 8170
diff changeset
471
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parents: 8170
diff changeset
472 """""""""
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parents: 8170
diff changeset
473
8210
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474 let s:job_exit_ret = 'not yet'
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475 function MyExitCb(job, status)
8210
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476 let s:job_exit_ret = 'done'
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477 endfunc
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parents: 8170
diff changeset
478
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diff changeset
479 function s:test_exit_callback(port)
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parents: 8170
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480 call job_setoptions(s:job, {'exit-cb': 'MyExitCb'})
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parents: 8170
diff changeset
481 let s:exit_job = s:job
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parents: 8170
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482 endfunc
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parents: 8170
diff changeset
483
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parents: 8170
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484 func Test_exit_callback()
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parents: 8170
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485 if has('job')
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parents: 8170
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486 call s:run_server('s:test_exit_callback')
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parents: 8170
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487
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parents: 8170
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488 " the job may take a little while to exit
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parents: 8170
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489 sleep 50m
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parents: 8170
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490
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parents: 8170
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491 " calling job_status() triggers the callback
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Christian Brabandt <cb@256bit.org>
parents: 8170
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492 call job_status(s:exit_job)
8210
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parents: 8174
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493 call assert_equal('done', s:job_exit_ret)
8174
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parents: 8170
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494 endif
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parents: 8170
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495 endfunc
8210
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parents: 8174
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496
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parents: 8174
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497 """""""""
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parents: 8174
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498
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parents: 8174
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499 let s:ch_close_ret = 'alive'
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parents: 8174
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500 function MyCloseCb(ch)
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Christian Brabandt <cb@256bit.org>
parents: 8174
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501 let s:ch_close_ret = 'closed'
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parents: 8174
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502 endfunc
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parents: 8174
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503
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parents: 8174
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504 function s:test_close_callback(port)
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parents: 8174
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505 let handle = ch_open('localhost:' . a:port, s:chopt)
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parents: 8174
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506 if ch_status(handle) == "fail"
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Christian Brabandt <cb@256bit.org>
parents: 8174
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507 call assert_false(1, "Can't open channel")
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parents: 8174
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508 return
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Christian Brabandt <cb@256bit.org>
parents: 8174
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509 endif
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parents: 8174
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510 call ch_setoptions(handle, {'close-cb': 'MyCloseCb'})
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parents: 8174
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511
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parents: 8174
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512 call assert_equal('', ch_sendexpr(handle, 'close me'))
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parents: 8174
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513 sleep 20m
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Christian Brabandt <cb@256bit.org>
parents: 8174
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514 call assert_equal('closed', s:ch_close_ret)
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parents: 8174
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515 endfunc
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parents: 8174
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516
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parents: 8174
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517 func Test_close_callback()
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Christian Brabandt <cb@256bit.org>
parents: 8174
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518 call ch_log('Test_close_callback()')
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parents: 8174
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519 call s:run_server('s:test_close_callback')
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parents: 8174
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520 endfunc
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parents: 8174
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521