Mercurial > vim

annotate src/testdir/test_channel.vim @ 7918:ce5a7a613867 v7.4.1255

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commit https://github.com/vim/vim/commit/66624ff0d9e1de2fc5eb4f95f3a3a2ed70b10138 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Feb 3 23:59:43 2016 +0100 patch 7.4.1255 Problem: Crash for channel "eval" command without third argument. Solution: Check for missing argument.
author Christian Brabandt <cb@256bit.org>
date Thu, 04 Feb 2016 00:00:05 +0100
parents 54602dcac207
children 14540239601d
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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 " This requires the Python command to run the test server.
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5 " This most likely only works on Unix and Windows console.
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6 if has('unix')
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7 " We also need the pkill command to make sure the server can be stopped.
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8 if !executable('python') || !executable('pkill')
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9 finish
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10 endif
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11 elseif has('win32') && !has('gui_win32')
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12 " Use Python Launcher for Windows (py.exe).
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13 if !executable('py')
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14 finish
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15 endif
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16 else
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17 finish
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18 endif
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19
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20 let s:port = -1
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21
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22 func s:start_server()
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23 " The Python program writes the port number in Xportnr.
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24 call delete("Xportnr")
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25
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26 if has('win32')
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27 silent !start cmd /c start "test_channel" py test_channel.py
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28 else
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29 silent !python test_channel.py&
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30 endif
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32 " Wait for up to 2 seconds for the port number to be there.
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33 let cnt = 20
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34 let l = []
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35 while cnt > 0
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36 try
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37 let l = readfile("Xportnr")
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38 catch
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39 endtry
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40 if len(l) >= 1
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41 break
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42 endif
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43 sleep 100m
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44 let cnt -= 1
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45 endwhile
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46 call delete("Xportnr")
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47
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48 if len(l) == 0
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49 " Can't make the connection, give up.
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50 call s:kill_server()
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51 call assert_false(1, "Can't start test_channel.py")
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52 return -1
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53 endif
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54 let s:port = l[0]
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55
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56 let handle = ch_open('localhost:' . s:port, 'json')
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57 return handle
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58 endfunc
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59
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60 func s:kill_server()
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61 if has('win32')
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62 call system('taskkill /IM py.exe /T /F /FI "WINDOWTITLE eq test_channel"')
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63 else
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64 call system("pkill -f test_channel.py")
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65 endif
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66 endfunc
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67
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68 func Test_communicate()
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69 let handle = s:start_server()
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70 if handle < 0
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71 return
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72 endif
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73
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74 " Simple string request and reply.
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75 call assert_equal('got it', ch_sendexpr(handle, 'hello!'))
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76
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77 " Request that triggers sending two ex commands. These will usually be
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78 " handled before getting the response, but it's not guaranteed, thus wait a
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79 " tiny bit for the commands to get executed.
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80 call assert_equal('ok', ch_sendexpr(handle, 'make change'))
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81 sleep 10m
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82 call assert_equal('added1', getline(line('$') - 1))
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83 call assert_equal('added2', getline('$'))
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84
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85 " Send an eval request that works.
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86 call assert_equal('ok', ch_sendexpr(handle, 'eval-works'))
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87 call assert_equal([-1, 'foo123'], ch_sendexpr(handle, 'eval-result'))
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88
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89 " Send an eval request that fails.
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90 call assert_equal('ok', ch_sendexpr(handle, 'eval-fails'))
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91 call assert_equal([-2, 'ERROR'], ch_sendexpr(handle, 'eval-result'))
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92
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93 " Send a bad eval request. There will be no response.
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94 call assert_equal('ok', ch_sendexpr(handle, 'eval-bad'))
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95 call assert_equal([-2, 'ERROR'], ch_sendexpr(handle, 'eval-result'))
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96
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97 " make the server quit, can't check if this works, should not hang.
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98 call ch_sendexpr(handle, '!quit!', 0)
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99
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100 call s:kill_server()
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101 endfunc
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102
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103 " Test that we can open two channels.
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104 func Test_two_channels()
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105 let handle = s:start_server()
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106 if handle < 0
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107 return
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108 endif
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109 call assert_equal('got it', ch_sendexpr(handle, 'hello!'))
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110
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111 let newhandle = ch_open('localhost:' . s:port, 'json')
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112 call assert_equal('got it', ch_sendexpr(newhandle, 'hello!'))
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113 call assert_equal('got it', ch_sendexpr(handle, 'hello!'))
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114
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115 call ch_close(handle)
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116 call assert_equal('got it', ch_sendexpr(newhandle, 'hello!'))
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117
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118 call s:kill_server()
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119 endfunc
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120
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121 " Test that a server crash is handled gracefully.
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122 func Test_server_crash()
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123 let handle = s:start_server()
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124 if handle < 0
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125 return
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126 endif
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127 call ch_sendexpr(handle, '!crash!')
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128
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129 " kill the server in case if failed to crash
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130 sleep 10m
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131 call s:kill_server()
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132 endfunc