1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
" Tests for the +clientserver feature.
source check.vim
CheckFeature job
if !has('clientserver')
call assert_fails('call remote_startserver("local")', 'E942:')
endif
CheckFeature clientserver
source shared.vim
func Check_X11_Connection()
if has('x11')
if empty($DISPLAY)
throw 'Skipped: $DISPLAY is not set'
endif
try
call remote_send('xxx', '')
catch
if v:exception =~ 'E240:'
throw 'Skipped: no connection to the X server'
endif
" ignore other errors
endtry
endif
endfunc
func Test_client_server()
let cmd = GetVimCommand()
if cmd == ''
throw 'GetVimCommand() failed'
endif
call Check_X11_Connection()
let name = 'XVIMTEST'
let cmd .= ' --servername ' . name
let job = job_start(cmd, {'stoponexit': 'kill', 'out_io': 'null'})
call WaitForAssert({-> assert_equal("run", job_status(job))})
" Takes a short while for the server to be active.
" When using valgrind it takes much longer.
call WaitForAssert({-> assert_match(name, serverlist())})
eval name->remote_foreground()
call remote_send(name, ":let testvar = 'yes'\<CR>")
call WaitFor('remote_expr("' . name . '", "exists(\"testvar\") ? testvar : \"\"", "", 1) == "yes"')
call assert_equal('yes', remote_expr(name, "testvar", "", 2))
call assert_fails("let x=remote_expr(name, '2+x')", 'E449:')
call assert_fails("let x=remote_expr('[], '2+2')", 'E116:')
if has('unix') && has('gui') && !has('gui_running')
" Running in a terminal and the GUI is available: Tell the server to open
" the GUI and check that the remote command still works.
" Need to wait for the GUI to start up, otherwise the send hangs in trying
" to send to the terminal window.
if has('gui_athena') || has('gui_motif')
" For those GUIs, ignore the 'failed to create input context' error.
call remote_send(name, ":call test_ignore_error('E285') | gui -f\<CR>")
else
call remote_send(name, ":gui -f\<CR>")
endif
" Wait for the server to be up and answering requests.
" When using valgrind this can be very, very slow.
sleep 1
call WaitForAssert({-> assert_match('\d', name->remote_expr("v:version", "", 1))}, 10000)
call remote_send(name, ":let testvar = 'maybe'\<CR>")
call WaitForAssert({-> assert_equal('maybe', remote_expr(name, "testvar", "", 2))})
endif
call assert_fails('call remote_send("XXX", ":let testvar = ''yes''\<CR>")', 'E241:')
" Expression evaluated locally.
if v:servername == ''
eval 'MYSELF'->remote_startserver()
" May get MYSELF1 when running the test again.
call assert_match('MYSELF', v:servername)
call assert_fails("call remote_startserver('MYSELF')", 'E941:')
endif
let g:testvar = 'myself'
call assert_equal('myself', remote_expr(v:servername, 'testvar'))
call remote_send(v:servername, ":let g:testvar2 = 75\<CR>")
call feedkeys('', 'x')
call assert_equal(75, g:testvar2)
call assert_fails('let v = remote_expr(v:servername, "/2")', ['E15:.*/2'])
call remote_send(name, ":call server2client(expand('<client>'), 'got it')\<CR>", 'g:myserverid')
call assert_equal('got it', g:myserverid->remote_read(2))
call remote_send(name, ":eval expand('<client>')->server2client('another')\<CR>", 'g:myserverid')
let peek_result = 'nothing'
let r = g:myserverid->remote_peek('peek_result')
" unpredictable whether the result is already available.
if r > 0
call assert_equal('another', peek_result)
elseif r == 0
call assert_equal('nothing', peek_result)
else
call assert_report('remote_peek() failed')
endif
let g:peek_result = 'empty'
call WaitFor('remote_peek(g:myserverid, "g:peek_result") > 0')
call assert_equal('another', g:peek_result)
call assert_equal('another', remote_read(g:myserverid, 2))
if !has('gui_running')
" In GUI vim, the following tests display a dialog box
let cmd = GetVimProg() .. ' --servername ' .. name
" Run a separate instance to send a command to the server
call remote_expr(name, 'execute("only")')
call system(cmd .. ' --remote-send ":new Xfile<CR>"')
call assert_equal('2', remote_expr(name, 'winnr("$")'))
call assert_equal('Xfile', remote_expr(name, 'winbufnr(1)->bufname()'))
call remote_expr(name, 'execute("only")')
" Invoke a remote-expr. On MS-Windows, the returned value has a carriage
" return.
let l = system(cmd .. ' --remote-expr "2 + 2"')
call assert_equal(['4'], split(l, "\n"))
" Edit multiple files using --remote
call system(cmd .. ' --remote Xfile1 Xfile2 Xfile3')
call assert_equal("Xfile1\nXfile2\nXfile3\n", remote_expr(name, 'argv()'))
eval name->remote_send(":%bw!\<CR>")
" Edit files in separate tab pages
call system(cmd .. ' --remote-tab Xfile1 Xfile2 Xfile3')
call WaitForAssert({-> assert_equal('3', remote_expr(name, 'tabpagenr("$")'))})
call assert_equal('Xfile2', remote_expr(name, 'bufname(tabpagebuflist(2)[0])'))
eval name->remote_send(":%bw!\<CR>")
" Edit a file using --remote-wait
eval name->remote_send(":source $VIMRUNTIME/plugin/rrhelper.vim\<CR>")
call system(cmd .. ' --remote-wait +enew Xfile1')
call assert_equal("Xfile1", remote_expr(name, 'bufname("#")'))
eval name->remote_send(":%bw!\<CR>")
" Edit files using --remote-tab-wait
call system(cmd .. ' --remote-tabwait +tabonly\|enew Xfile1 Xfile2')
call assert_equal('1', remote_expr(name, 'tabpagenr("$")'))
eval name->remote_send(":%bw!\<CR>")
" Error cases
if v:lang == "C" || v:lang =~ '^[Ee]n'
let l = split(system(cmd .. ' --remote +pwd'), "\n")
call assert_equal("Argument missing after: \"+pwd\"", l[1])
endif
let l = system(cmd .. ' --remote-expr "abcd"')
call assert_match('^E449: ', l)
endif
eval name->remote_send(":%bw!\<CR>")
eval name->remote_send(":qa!\<CR>")
try
call WaitForAssert({-> assert_equal("dead", job_status(job))})
finally
if job_status(job) != 'dead'
call assert_report('Server did not exit')
call job_stop(job, 'kill')
endif
endtry
call assert_fails('call remote_startserver([])', 'E730:')
call assert_fails("let x = remote_peek([])", 'E730:')
call assert_fails("let x = remote_read('vim10')",
\ has('unix') ? ['E573:.*vim10'] : 'E277:')
call assert_fails("call server2client('abc', 'xyz')",
\ has('unix') ? ['E573:.*abc'] : 'E258:')
endfunc
" Uncomment this line to get a debugging log
" call ch_logfile('channellog', 'w')
" vim: shiftwidth=2 sts=2 expandtab
|