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
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
|
" Functions shared by several tests.
" Only load this script once.
if exists('*PythonProg')
finish
endif
source view_util.vim
" Get the name of the Python executable.
" Also keeps it in s:python.
func PythonProg()
" This test requires the Python command to run the test server.
" This most likely only works on Unix and Windows.
if has('unix')
" We also need the job feature or the pkill command to make sure the server
" can be stopped.
if !(executable('python') && (has('job') || executable('pkill')))
return ''
endif
let s:python = 'python'
elseif has('win32')
" Use Python Launcher for Windows (py.exe) if available.
if executable('py.exe')
let s:python = 'py.exe'
elseif executable('python.exe')
let s:python = 'python.exe'
else
return ''
endif
else
return ''
endif
return s:python
endfunc
" Run "cmd". Returns the job if using a job.
func RunCommand(cmd)
let job = 0
if has('job')
let job = job_start(a:cmd, {"stoponexit": "hup"})
call job_setoptions(job, {"stoponexit": "kill"})
elseif has('win32')
exe 'silent !start cmd /c start "test_channel" ' . a:cmd
else
exe 'silent !' . a:cmd . '&'
endif
return job
endfunc
" Read the port number from the Xportnr file.
func GetPort()
let l = []
" with 200 it sometimes failed
for i in range(400)
try
let l = readfile("Xportnr")
catch
endtry
if len(l) >= 1
break
endif
sleep 10m
endfor
call delete("Xportnr")
if len(l) == 0
" Can't make the connection, give up.
return 0
endif
return l[0]
endfunc
" Run a Python server for "cmd" and call "testfunc".
" Always kills the server before returning.
func RunServer(cmd, testfunc, args)
" The Python program writes the port number in Xportnr.
call delete("Xportnr")
if len(a:args) == 1
let arg = ' ' . a:args[0]
else
let arg = ''
endif
let pycmd = s:python . " " . a:cmd . arg
try
let g:currentJob = RunCommand(pycmd)
" Wait for up to 2 seconds for the port number to be there.
let port = GetPort()
if port == 0
call assert_false(1, "Can't start " . a:cmd)
return
endif
call call(function(a:testfunc), [port])
catch
call assert_false(1, 'Caught exception: "' . v:exception . '" in ' . v:throwpoint)
finally
call s:kill_server(a:cmd)
endtry
endfunc
func s:kill_server(cmd)
if has('job')
if exists('g:currentJob')
call job_stop(g:currentJob)
unlet g:currentJob
endif
elseif has('win32')
let cmd = substitute(a:cmd, ".py", '', '')
call system('taskkill /IM ' . s:python . ' /T /F /FI "WINDOWTITLE eq ' . cmd . '"')
else
call system("pkill -f " . a:cmd)
endif
endfunc
" Wait for up to five seconds for "expr" to become true. "expr" can be a
" stringified expression to evaluate, or a funcref without arguments.
" Using a lambda works best. Example:
" call WaitFor({-> status == "ok"})
"
" A second argument can be used to specify a different timeout in msec.
"
" When successful the time slept is returned.
" When running into the timeout an exception is thrown, thus the function does
" not return.
func WaitFor(expr, ...)
let timeout = get(a:000, 0, 5000)
let slept = s:WaitForCommon(a:expr, v:null, timeout)
if slept < 0
throw 'WaitFor() timed out after ' . timeout . ' msec'
endif
return slept
endfunc
" Wait for up to five seconds for "assert" to return zero. "assert" must be a
" (lambda) function containing one assert function. Example:
" call WaitForAssert({-> assert_equal("dead", job_status(job)})
"
" A second argument can be used to specify a different timeout in msec.
"
" Return zero for success, one for failure (like the assert function).
func WaitForAssert(assert, ...)
let timeout = get(a:000, 0, 5000)
if s:WaitForCommon(v:null, a:assert, timeout) < 0
return 1
endif
return 0
endfunc
" Common implementation of WaitFor() and WaitForAssert().
" Either "expr" or "assert" is not v:null
" Return the waiting time for success, -1 for failure.
func s:WaitForCommon(expr, assert, timeout)
" using reltime() is more accurate, but not always available
let slept = 0
if has('reltime')
let start = reltime()
endif
while 1
if type(a:expr) == v:t_func
let success = a:expr()
elseif type(a:assert) == v:t_func
let success = a:assert() == 0
else
let success = eval(a:expr)
endif
if success
return slept
endif
if slept >= a:timeout
break
endif
if type(a:assert) == v:t_func
" Remove the error added by the assert function.
call remove(v:errors, -1)
endif
sleep 10m
if has('reltime')
let slept = float2nr(reltimefloat(reltime(start)) * 1000)
else
let slept += 10
endif
endwhile
return -1 " timed out
endfunc
" Wait for up to a given milliseconds.
" With the +timers feature this waits for key-input by getchar(), Resume()
" feeds key-input and resumes process. Return time waited in milliseconds.
" Without +timers it uses simply :sleep.
func Standby(msec)
if has('timers')
let start = reltime()
let g:_standby_timer = timer_start(a:msec, function('s:feedkeys'))
call getchar()
return float2nr(reltimefloat(reltime(start)) * 1000)
else
execute 'sleep ' a:msec . 'm'
return a:msec
endif
endfunc
func Resume()
if exists('g:_standby_timer')
call timer_stop(g:_standby_timer)
call s:feedkeys(0)
unlet g:_standby_timer
endif
endfunc
func s:feedkeys(timer)
call feedkeys('x', 'nt')
endfunc
" Get $VIMPROG to run Vim executable.
" The Makefile writes it as the first line in the "vimcmd" file.
func GetVimProg()
if !filereadable('vimcmd')
" Assume the script was sourced instead of running "make".
return '../vim'
endif
return readfile('vimcmd')[0]
endfunc
let g:valgrind_cnt = 1
" Get the command to run Vim, with -u NONE and --not-a-term arguments.
" If there is an argument use it instead of "NONE".
func GetVimCommand(...)
if !filereadable('vimcmd')
echo 'Cannot read the "vimcmd" file, falling back to ../vim.'
let lines = ['../vim']
else
let lines = readfile('vimcmd')
endif
if a:0 == 0
let name = 'NONE'
else
let name = a:1
endif
" For Unix Makefile writes the command to use in the second line of the
" "vimcmd" file, including environment options.
" Other Makefiles just write the executable in the first line, so fall back
" to that if there is no second line or it is empty.
if len(lines) > 1 && lines[1] != ''
let cmd = lines[1]
else
let cmd = lines[0]
endif
let cmd = substitute(cmd, '-u \f\+', '-u ' . name, '')
if cmd !~ '-u '. name
let cmd = cmd . ' -u ' . name
endif
let cmd .= ' --not-a-term'
let cmd = substitute(cmd, 'VIMRUNTIME=.*VIMRUNTIME;', '', '')
" If using valgrind, make sure every run uses a different log file.
if cmd =~ 'valgrind.*--log-file='
let cmd = substitute(cmd, '--log-file=\(^\s*\)', '--log-file=\1.' . g:valgrind_cnt, '')
let g:valgrind_cnt += 1
endif
return cmd
endfunc
" Get the command to run Vim, with --clean.
func GetVimCommandClean()
let cmd = GetVimCommand()
let cmd = substitute(cmd, '-u NONE', '--clean', '')
let cmd = substitute(cmd, '--not-a-term', '', '')
" Optionally run Vim under valgrind
" let cmd = 'valgrind --tool=memcheck --leak-check=yes --num-callers=25 --log-file=valgrind ' . cmd
return cmd
endfunc
" Get the command to run Vim, with --clean, and force to run in terminal so it
" won't start a new GUI.
func GetVimCommandCleanTerm()
" Add -v to have gvim run in the terminal (if possible)
return GetVimCommandClean() .. ' -v '
endfunc
" Run Vim, using the "vimcmd" file and "-u NORC".
" "before" is a list of Vim commands to be executed before loading plugins.
" "after" is a list of Vim commands to be executed after loading plugins.
" Plugins are not loaded, unless 'loadplugins' is set in "before".
" Return 1 if Vim could be executed.
func RunVim(before, after, arguments)
return RunVimPiped(a:before, a:after, a:arguments, '')
endfunc
func RunVimPiped(before, after, arguments, pipecmd)
let cmd = GetVimCommand()
let args = ''
if len(a:before) > 0
call writefile(a:before, 'Xbefore.vim')
let args .= ' --cmd "so Xbefore.vim"'
endif
if len(a:after) > 0
call writefile(a:after, 'Xafter.vim')
let args .= ' -S Xafter.vim'
endif
exe "silent !" . a:pipecmd . cmd . args . ' ' . a:arguments
if len(a:before) > 0
call delete('Xbefore.vim')
endif
if len(a:after) > 0
call delete('Xafter.vim')
endif
return 1
endfunc
func CanRunGui()
return has('gui') && ($DISPLAY != "" || has('gui_running'))
endfunc
func WorkingClipboard()
if !has('clipboard')
return 0
endif
if has('x11')
return $DISPLAY != ""
endif
return 1
endfunc
|