patch 8.0.0477: the client-server test may hang when failingv8.0.0477

Problem:    The client-server test may hang when failing.
Solution:   Set a timer.  Add assert_report()

1 files changed, 31 insertions, 3 deletions

diff --git a/src/testdir/test_clientserver.vim b/src/testdir/test_clientserver.vim
index 55f440ffc2..598b0aca36 100644
--- a/src/testdir/test_clientserver.vim
+++ b/src/testdir/test_clientserver.vim
@@ -6,29 +6,46 @@ endif
 
 source shared.vim
 
+let s:where = 0
+func Abort(id)
+  call assert_report('Test timed out at ' . s:where)
+  call FinishTesting()
+endfunc
+
 func Test_client_server()
   let cmd = GetVimCommand()
   if cmd == ''
     return
   endif
-  let name = 'XVIMTEXT'
+
+  " Some of these commands may hang when failing.
+  call timer_start(10000, 'Abort')
+
+  let s:where = 1
+  let name = 'XVIMTEST'
   let cmd .= ' --servername ' . name
   let g:job = job_start(cmd, {'stoponexit': 'kill', 'out_io': 'null'})
   call WaitFor('job_status(g:job) == "run"')
   if job_status(g:job) != 'run'
-    call assert_true(0, 'Cannot run the Vim server')
+    call assert_report('Cannot run the Vim server')
     return
   endif
+  let s:where = 2
 
   " Takes a short while for the server to be active.
   call WaitFor('serverlist() =~ "' . name . '"')
   call assert_match(name, serverlist())
+  let s:where = 3
 
   call remote_foreground(name)
+  let s:where = 4
 
   call remote_send(name, ":let testvar = 'yes'\<CR>")
+  let s:where = 5
   call WaitFor('remote_expr("' . name . '", "testvar") == "yes"')
+  let s:where = 6
   call assert_equal('yes', remote_expr(name, "testvar"))
+  let s:where = 7
 
   if has('unix') && has('gui') && !has('gui_running')
     " Running in a terminal and the GUI is avaiable: Tell the server to open
@@ -36,29 +53,40 @@ func Test_client_server()
     " Need to wait for the GUI to start up, otherwise the send hangs in trying
     " to send to the terminal window.
     call remote_send(name, ":gui -f\<CR>")
+    let s:where = 8
     sleep 500m
     call remote_send(name, ":let testvar = 'maybe'\<CR>")
+    let s:where = 9
     call WaitFor('remote_expr("' . name . '", "testvar") == "maybe"')
+    let s:where = 10
     call assert_equal('maybe', remote_expr(name, "testvar"))
+    let s:where = 11
   endif
 
   call assert_fails('call remote_send("XXX", ":let testvar = ''yes''\<CR>")', 'E241')
+  let s:where = 12
 
   " Expression evaluated locally.
   if v:servername == ''
     call remote_startserver('MYSELF')
+    let s:where = 13
     call assert_equal('MYSELF', v:servername)
   endif
   let g:testvar = 'myself'
   call assert_equal('myself', remote_expr(v:servername, 'testvar'))
+  let s:where = 14
 
   call remote_send(name, ":call server2client(expand('<client>'), 'got it')\<CR>", 'g:myserverid')
+  let s:where = 15
   call assert_equal('got it', remote_read(g:myserverid))
+  let s:where = 16
 
   call remote_send(name, ":qa!\<CR>")
+  let s:where = 17
   call WaitFor('job_status(g:job) == "dead"')
+  let s:where = 18
   if job_status(g:job) != 'dead'
-    call assert_true(0, 'Server did not exit')
+    call assert_report('Server did not exit')
     call job_stop(g:job, 'kill')
   endif
 endfunc