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-rw-r--r--src/testdir/test_clientserver.vim104
1 files changed, 104 insertions, 0 deletions
diff --git a/src/testdir/test_clientserver.vim b/src/testdir/test_clientserver.vim
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+" Tests for the +clientserver feature.
+
+if !has('job') || !has('clientserver')
+ finish
+endif
+
+source shared.vim
+
+func Test_client_server()
+ let cmd = GetVimCommand()
+ if cmd == ''
+ return
+ endif
+ 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
+
+ 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())})
+
+ call remote_foreground(name)
+
+ 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))
+
+ 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.
+ sleep 100m
+ call WaitForAssert({-> assert_true(remote_expr(name, "v:version", "", 1) != "")})
+
+ 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 == ''
+ call remote_startserver('MYSELF')
+ " May get MYSELF1 when running the test again.
+ call assert_match('MYSELF', v:servername)
+ endif
+ let g:testvar = 'myself'
+ call assert_equal('myself', remote_expr(v:servername, 'testvar'))
+
+ call remote_send(name, ":call server2client(expand('<client>'), 'got it')\<CR>", 'g:myserverid')
+ call assert_equal('got it', remote_read(g:myserverid, 2))
+
+ call remote_send(name, ":call server2client(expand('<client>'), 'another')\<CR>", 'g:myserverid')
+ let peek_result = 'nothing'
+ let r = remote_peek(g:myserverid, '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))
+
+ call remote_send(name, ":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
+endfunc
+
+" Uncomment this line to get a debugging log
+" call ch_logfile('channellog', 'w')