test_clientserver.vim (7345B)
1 " Tests for the +clientserver feature. 2 3 source check.vim 4 CheckFeature job 5 6 if !has('clientserver') 7 call assert_fails('call remote_startserver("local")', 'E942:') 8 endif 9 10 CheckFeature clientserver 11 12 source shared.vim 13 14 func Check_X11_Connection() 15 if has('x11') 16 CheckEnv DISPLAY 17 try 18 call remote_send('xxx', '') 19 catch 20 if v:exception =~ 'E240:' 21 throw 'Skipped: no connection to the X server' 22 endif 23 " ignore other errors 24 endtry 25 endif 26 endfunc 27 28 func Test_client_server() 29 let g:test_is_flaky = 1 30 let cmd = GetVimCommand() 31 if cmd == '' 32 throw 'GetVimCommand() failed' 33 endif 34 call Check_X11_Connection() 35 36 let name = 'XVIMTEST' 37 let cmd .= ' --servername ' . name 38 let job = job_start(cmd, {'stoponexit': 'kill', 'out_io': 'null'}) 39 call WaitForAssert({-> assert_equal("run", job_status(job))}) 40 41 " Takes a short while for the server to be active. 42 " When using valgrind it takes much longer. 43 call WaitForAssert({-> assert_match(name, serverlist())}) 44 45 if !has('win32') 46 if RunVim([], [], '--serverlist >Xtest_serverlist') 47 let lines = readfile('Xtest_serverlist') 48 call assert_true(index(lines, 'XVIMTEST') >= 0) 49 endif 50 call delete('Xtest_serverlist') 51 endif 52 53 eval name->remote_foreground() 54 55 call remote_send(name, ":let testvar = 'yes'\<CR>") 56 call WaitFor('remote_expr("' . name . '", "exists(\"testvar\") ? testvar : \"\"", "", 1) == "yes"') 57 call assert_equal('yes', remote_expr(name, "testvar", "", 2)) 58 call assert_fails("let x=remote_expr(name, '2+x')", 'E449:') 59 call assert_fails("let x=remote_expr('[], '2+2')", 'E116:') 60 61 if has('unix') && has('gui') && !has('gui_running') 62 " Running in a terminal and the GUI is available: Tell the server to open 63 " the GUI and check that the remote command still works. 64 " Need to wait for the GUI to start up, otherwise the send hangs in trying 65 " to send to the terminal window. 66 if has('gui_motif') 67 " For this GUI ignore the 'failed to create input context' error. 68 call remote_send(name, ":call test_ignore_error('E285') | gui -f\<CR>") 69 else 70 call remote_send(name, ":gui -f\<CR>") 71 endif 72 " Wait for the server to be up and answering requests. 73 " When using valgrind this can be very, very slow. 74 sleep 1 75 call WaitForAssert({-> assert_match('\d', name->remote_expr("v:version", "", 1))}, 10000) 76 77 call remote_send(name, ":let testvar = 'maybe'\<CR>") 78 call WaitForAssert({-> assert_equal('maybe', remote_expr(name, "testvar", "", 2))}) 79 endif 80 81 call assert_fails('call remote_send("XXX", ":let testvar = ''yes''\<CR>")', 'E241') 82 83 call writefile(['one'], 'Xclientfile') 84 let cmd = GetVimProg() .. ' --servername ' .. name .. ' --remote Xclientfile' 85 call system(cmd) 86 call WaitForAssert({-> assert_equal('Xclientfile', remote_expr(name, "bufname()", "", 2))}) 87 call WaitForAssert({-> assert_equal('one', remote_expr(name, "getline(1)", "", 2))}) 88 call writefile(['one', 'two'], 'Xclientfile') 89 call system(cmd) 90 call WaitForAssert({-> assert_equal('two', remote_expr(name, "getline(2)", "", 2))}) 91 call delete('Xclientfile') 92 93 " Expression evaluated locally. 94 if v:servername == '' 95 eval 'MYSELF'->remote_startserver() 96 " May get MYSELF1 when running the test again. 97 call assert_match('MYSELF', v:servername) 98 call assert_fails("call remote_startserver('MYSELF')", 'E941:') 99 endif 100 let g:testvar = 'myself' 101 call assert_equal('myself', remote_expr(v:servername, 'testvar')) 102 call remote_send(v:servername, ":let g:testvar2 = 75\<CR>") 103 call feedkeys('', 'x') 104 call assert_equal(75, g:testvar2) 105 call assert_fails('let v = remote_expr(v:servername, "/2")', ['E15:.*/2']) 106 107 call remote_send(name, ":call server2client(expand('<client>'), 'got it')\<CR>", 'g:myserverid') 108 call assert_equal('got it', g:myserverid->remote_read(2)) 109 110 call remote_send(name, ":eval expand('<client>')->server2client('another')\<CR>", 'g:myserverid') 111 let peek_result = 'nothing' 112 let r = g:myserverid->remote_peek('peek_result') 113 " unpredictable whether the result is already available. 114 if r > 0 115 call assert_equal('another', peek_result) 116 elseif r == 0 117 call assert_equal('nothing', peek_result) 118 else 119 call assert_report('remote_peek() failed') 120 endif 121 let g:peek_result = 'empty' 122 call WaitFor('remote_peek(g:myserverid, "g:peek_result") > 0') 123 call assert_equal('another', g:peek_result) 124 call assert_equal('another', remote_read(g:myserverid, 2)) 125 126 if !has('gui_running') 127 " In GUI vim, the following tests display a dialog box 128 129 let cmd = GetVimProg() .. ' --servername ' .. name 130 131 " Run a separate instance to send a command to the server 132 call remote_expr(name, 'execute("only")') 133 call system(cmd .. ' --remote-send ":new Xclientfile<CR>"') 134 call assert_equal('2', remote_expr(name, 'winnr("$")')) 135 call assert_equal('Xclientfile', remote_expr(name, 'winbufnr(1)->bufname()')) 136 call remote_expr(name, 'execute("only")') 137 138 " Invoke a remote-expr. On MS-Windows, the returned value has a carriage 139 " return. 140 let l = system(cmd .. ' --remote-expr "2 + 2"') 141 call assert_equal(['4'], split(l, "\n")) 142 143 " Edit multiple files using --remote 144 call system(cmd .. ' --remote Xclientfile1 Xclientfile2 Xclientfile3') 145 call assert_match(".*Xclientfile1\n.*Xclientfile2\n.*Xclientfile3\n", remote_expr(name, 'argv()')) 146 eval name->remote_send(":%bw!\<CR>") 147 148 " Edit files in separate tab pages 149 call system(cmd .. ' --remote-tab Xclientfile1 Xclientfile2 Xclientfile3') 150 call WaitForAssert({-> assert_equal('3', remote_expr(name, 'tabpagenr("$")'))}) 151 call assert_match('.*\<Xclientfile2', remote_expr(name, 'bufname(tabpagebuflist(2)[0])')) 152 eval name->remote_send(":%bw!\<CR>") 153 154 " Edit a file using --remote-wait 155 eval name->remote_send(":source $VIMRUNTIME/plugin/rrhelper.vim\<CR>") 156 call system(cmd .. ' --remote-wait +enew Xclientfile1') 157 call assert_match('.*\<Xclientfile1', remote_expr(name, 'bufname("#")')) 158 eval name->remote_send(":%bw!\<CR>") 159 160 " Edit files using --remote-tab-wait 161 call system(cmd .. ' --remote-tabwait +tabonly\|enew Xclientfile1 Xclientfile2') 162 call assert_equal('1', remote_expr(name, 'tabpagenr("$")')) 163 eval name->remote_send(":%bw!\<CR>") 164 165 " Error cases 166 if v:lang == "C" || v:lang =~ '^[Ee]n' 167 let l = split(system(cmd .. ' --remote +pwd'), "\n") 168 call assert_equal("Argument missing after: \"+pwd\"", l[1]) 169 endif 170 let l = system(cmd .. ' --remote-expr "abcd"') 171 call assert_match('^E449: ', l) 172 endif 173 174 eval name->remote_send(":%bw!\<CR>") 175 eval name->remote_send(":qa!\<CR>") 176 try 177 call WaitForAssert({-> assert_equal("dead", job_status(job))}) 178 finally 179 if job_status(job) != 'dead' 180 call assert_report('Server did not exit') 181 call job_stop(job, 'kill') 182 endif 183 endtry 184 185 call assert_fails('call remote_startserver([])', 'E730:') 186 call assert_fails("let x = remote_peek([])", 'E730:') 187 call assert_fails("let x = remote_read('vim10')", 188 \ has('unix') ? ['E573:.*vim10'] : 'E277:') 189 call assert_fails("call server2client('abc', 'xyz')", 190 \ has('unix') ? ['E573:.*abc'] : 'E258:') 191 endfunc 192 193 " Uncomment this line to get a debugging log 194 " call ch_logfile('channellog', 'w') 195 196 " vim: shiftwidth=2 sts=2 expandtab