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annotate src/testdir/test_channel.vim @ 7906:ea1fd8d750a6 v7.4.1249

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commit https://github.com/vim/vim/commit/fcb1e3d16832ce06da0dc38ecb7ab9aaa3ee4383 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Feb 3 21:32:46 2016 +0100 patch 7.4.1249 Problem: Crash when the process a channel is connected to exits. Solution: Use the file descriptor properly. Add a test. (Damien) Also add a test for eval().
author Christian Brabandt <cb@256bit.org>
date Wed, 03 Feb 2016 21:45:04 +0100
parents 14a5de0990a5
children 35973ce58c84
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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 func s:start_server()
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21 " The Python program writes the port number in Xportnr.
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22 call delete("Xportnr")
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23
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24 if has('win32')
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25 silent !start cmd /c start "test_channel" py test_channel.py
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26 else
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27 silent !python test_channel.py&
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28 endif
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30 " Wait for up to 2 seconds for the port number to be there.
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31 let cnt = 20
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32 let l = []
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33 while cnt > 0
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34 try
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35 let l = readfile("Xportnr")
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36 catch
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37 endtry
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38 if len(l) >= 1
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39 break
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40 endif
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41 sleep 100m
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42 let cnt -= 1
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43 endwhile
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44 call delete("Xportnr")
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45
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46 if len(l) == 0
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47 " Can't make the connection, give up.
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48 call s:kill_server()
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49 call assert_false(1, "Can't start test_channel.py")
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50 return -1
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51 endif
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52 let port = l[0]
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53
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54 let handle = ch_open('localhost:' . port, 'json')
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55 return handle
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56 endfunc
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57
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58 func s:kill_server()
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59 if has('win32')
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60 call system('taskkill /IM py.exe /T /F /FI "WINDOWTITLE eq test_channel"')
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61 else
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62 call system("pkill --full test_channel.py")
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63 endif
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64 endfunc
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65
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66 func Test_communicate()
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67 let handle = s:start_server()
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68 if handle < 0
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69 return
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70 endif
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72 " Simple string request and reply.
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73 call assert_equal('got it', ch_sendexpr(handle, 'hello!'))
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74
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75 " Request that triggers sending two ex commands. These will usually be
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76 " handled before getting the response, but it's not guaranteed, thus wait a
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77 " tiny bit for the commands to get executed.
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78 call assert_equal('ok', ch_sendexpr(handle, 'make change'))
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79 sleep 10m
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80 call assert_equal('added1', getline(line('$') - 1))
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81 call assert_equal('added2', getline('$'))
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82
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83 " Send an eval request that works.
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84 call assert_equal('ok', ch_sendexpr(handle, 'eval-works'))
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85 call assert_equal([-1, 'foo123'], ch_sendexpr(handle, 'eval-result'))
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86
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87 " Send an eval request that fails.
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88 call assert_equal('ok', ch_sendexpr(handle, 'eval-fails'))
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89 call assert_equal([-2, 'ERROR'], ch_sendexpr(handle, 'eval-result'))
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90
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91 " make the server quit, can't check if this works, should not hang.
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92 call ch_sendexpr(handle, '!quit!', 0)
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93
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94 call s:kill_server()
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95 endfunc
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96
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97 " Test that a server crash is handled gracefully.
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98 func Test_server_crash()
ea1fd8d750a6 commit https://github.com/vim/vim/commit/fcb1e3d16832ce06da0dc38ecb7ab9aaa3ee4383
Christian Brabandt <cb@256bit.org>
parents: 7904
diff changeset
99 let handle = s:start_server()
ea1fd8d750a6 commit https://github.com/vim/vim/commit/fcb1e3d16832ce06da0dc38ecb7ab9aaa3ee4383
Christian Brabandt <cb@256bit.org>
parents: 7904
diff changeset
100 if handle < 0
ea1fd8d750a6 commit https://github.com/vim/vim/commit/fcb1e3d16832ce06da0dc38ecb7ab9aaa3ee4383
Christian Brabandt <cb@256bit.org>
parents: 7904
diff changeset
101 return
ea1fd8d750a6 commit https://github.com/vim/vim/commit/fcb1e3d16832ce06da0dc38ecb7ab9aaa3ee4383
Christian Brabandt <cb@256bit.org>
parents: 7904
diff changeset
102 endif
ea1fd8d750a6 commit https://github.com/vim/vim/commit/fcb1e3d16832ce06da0dc38ecb7ab9aaa3ee4383
Christian Brabandt <cb@256bit.org>
parents: 7904
diff changeset
103 call ch_sendexpr(handle, '!crash!')
ea1fd8d750a6 commit https://github.com/vim/vim/commit/fcb1e3d16832ce06da0dc38ecb7ab9aaa3ee4383
Christian Brabandt <cb@256bit.org>
parents: 7904
diff changeset
104
ea1fd8d750a6 commit https://github.com/vim/vim/commit/fcb1e3d16832ce06da0dc38ecb7ab9aaa3ee4383
Christian Brabandt <cb@256bit.org>
parents: 7904
diff changeset
105 " kill the server in case if failed to crash
ea1fd8d750a6 commit https://github.com/vim/vim/commit/fcb1e3d16832ce06da0dc38ecb7ab9aaa3ee4383
Christian Brabandt <cb@256bit.org>
parents: 7904
diff changeset
106 sleep 10m
ea1fd8d750a6 commit https://github.com/vim/vim/commit/fcb1e3d16832ce06da0dc38ecb7ab9aaa3ee4383
Christian Brabandt <cb@256bit.org>
parents: 7904
diff changeset
107 call s:kill_server()
ea1fd8d750a6 commit https://github.com/vim/vim/commit/fcb1e3d16832ce06da0dc38ecb7ab9aaa3ee4383
Christian Brabandt <cb@256bit.org>
parents: 7904
diff changeset
108 endfunc