1 files changed, 366 insertions, 0 deletions
diff --git a/mnv/src/testdir/test_clientserver.mnv b/mnv/src/testdir/test_clientserver.mnv
new file mode 100644
index 0000000000..a8c8961351
--- /dev/null
+++ b/mnv/src/testdir/test_clientserver.mnv
@@ -0,0 +1,366 @@
+" Tests for the +clientserver feature.
+
+CheckFeature job
+
+if !has('clientserver')
+  call assert_fails('call remote_startserver("local")', 'E942:')
+endif
+
+CheckFeature clientserver
+
+source util/shared.mnv
+
+" Unlike X11, we need the socket server running if we want to send commands to
+" a server via sockets.
+RunSocketServer
+
+func Check_X11_Connection()
+  if has('x11')
+    CheckX11
+    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 g:test_is_flaky = 1
+  let cmd = GetMNVCommand()
+  if cmd == ''
+    throw 'GetMNVCommand() failed'
+  endif
+  call Check_X11_Connection()
+
+  let name = 'XMNVTEST'
+  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())})
+
+  if !has('win32')
+    if RunMNV([], [], '--serverlist >Xtest_serverlist')
+      let lines = readfile('Xtest_serverlist')
+      call assert_true(index(lines, 'XMNVTEST') >= 0)
+    endif
+    call delete('Xtest_serverlist')
+  endif
+
+  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_motif')
+      " For this GUI 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:')
+
+  call writefile(['one'], 'Xclientfile')
+  let cmd = GetMNVProg() .. ' --servername ' .. name .. ' --remote Xclientfile'
+  call system(cmd)
+  call WaitForAssert({-> assert_equal('Xclientfile', remote_expr(name, "bufname()", "", 2))})
+  call WaitForAssert({-> assert_equal('one', remote_expr(name, "getline(1)", "", 2))})
+  call writefile(['one', 'two'], 'Xclientfile')
+  call system(cmd)
+  call WaitForAssert({-> assert_equal('two', remote_expr(name, "getline(2)", "", 2))})
+  call delete('Xclientfile')
+
+  " 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 mnv, the following tests display a dialog box
+
+    let cmd = GetMNVProg() .. ' --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 Xclientfile<CR>"')
+    call assert_equal('2', remote_expr(name, 'winnr("$")'))
+    call assert_equal('Xclientfile', remote_expr(name, 'winbufnr(1)->bufname()'))
+    call remote_expr(name, 'execute("only")')
+
+    " Invoke a remote-expr. On MS-Windows, the returned value has a carriage
+    " return.
+    let l = system(cmd .. ' --remote-expr "2 + 2"')
+    call assert_equal(['4'], split(l, "\n"))
+
+    " Edit multiple files using --remote
+    call system(cmd .. ' --remote Xclientfile1 Xclientfile2 Xclientfile3')
+    call assert_match(".*Xclientfile1\n.*Xclientfile2\n.*Xclientfile3\n", remote_expr(name, 'argv()'))
+    eval name->remote_send(":%bw!\<CR>")
+
+    " Edit files in separate tab pages
+    call system(cmd .. ' --remote-tab Xclientfile1 Xclientfile2 Xclientfile3')
+    call WaitForAssert({-> assert_equal('3', remote_expr(name, 'tabpagenr("$")'))})
+    call assert_match('.*\<Xclientfile2', remote_expr(name, 'bufname(tabpagebuflist(2)[0])'))
+    eval name->remote_send(":%bw!\<CR>")
+
+    " Edit a file using --remote-wait
+    eval name->remote_send(":source $MNVRUNTIME/plugin/rrhelper.mnv\<CR>")
+    call system(cmd .. ' --remote-wait +enew Xclientfile1')
+    call assert_match('.*\<Xclientfile1', remote_expr(name, 'bufname("#")'))
+    eval name->remote_send(":%bw!\<CR>")
+
+    " Edit files using --remote-tab-wait
+    call system(cmd .. ' --remote-tabwait +tabonly\|enew Xclientfile1 Xclientfile2')
+    call assert_equal('1', remote_expr(name, 'tabpagenr("$")'))
+    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("")', 'E1175:')
+  call assert_fails('call remote_startserver([])', 'E1174:')
+  call assert_fails("let x = remote_peek([])", 'E730:')
+
+  " When using socket server, server id is not a number, but the path to the
+  " socket.
+  if has('socketserver') && !has('X11')
+    call assert_fails("let x = remote_read('mnv/10')", ['E573:.*mnv/10'])
+    call assert_fails("call server2client('a/b/c', 'xyz')", ['E573:.*a/b/c'])
+  else
+    call assert_fails("let x = remote_read('mnv10')",
+          \ has('unix') ? ['E573:.*mnv10'] : 'E277:')
+    call assert_fails("call server2client('abc', 'xyz')",
+          \ has('unix') ? ['E573:.*abc'] : 'E258:')
+  endif
+endfunc
+
+func Test_client_server_stopinsert()
+  " test does not work on MS-Windows
+  CheckNotMSWindows
+  CheckNotMac
+  let g:test_is_flaky = 1
+  let cmd = GetMNVCommand()
+  if cmd == ''
+    throw 'GetMNVCommand() failed'
+  endif
+  call Check_X11_Connection()
+  let fname = 'Xclientserver_stop.txt'
+  let name = 'XMNVTEST2'
+  call writefile(['one two three'], fname, 'D')
+
+  let cmd .= ' -c "set virtualedit=onemore"'
+  let cmd .= ' -c "call cursor(1, 14)"'
+  let cmd .= ' -c "startinsert"'
+  let cmd .= ' --servername ' . name
+  let cmd .= ' ' .. fname
+  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_send(name, "\<C-\>\<C-N>")
+
+  " Wait for the mode to change to Normal ('n')
+  call WaitForAssert({-> assert_equal('n', name->remote_expr("mode(1)"))})
+  call WaitForAssert({-> assert_equal('13', name->remote_expr("col('.')"))})
+
+  call remote_send(name, "\<C-\>\<C-N>: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
+
+" Test if socket server and X11 backends can be chosen and work properly.
+func Test_client_server_x11_and_socket_server()
+  CheckNotMSWindows
+  CheckFeature socketserver
+  CheckFeature x11
+
+  let g:test_is_flaky = 1
+  let cmd = GetMNVCommand()
+
+  if cmd == ''
+    throw 'GetMNVCommand() failed'
+  endif
+  call Check_X11_Connection()
+
+  let types = ['socket', 'x11']
+
+  for type in types
+    let name = 'MNVTEST_' .. toupper(type)
+    let actual_cmd = cmd .. ' --clientserver ' .. type
+    let actual_cmd .= ' --servername ' .. name
+    let job = job_start(actual_cmd, {'stoponexit': 'kill', 'out_io': 'null'})
+
+    call WaitForAssert({-> assert_equal("run", job_status(job))})
+    call WaitForAssert({-> assert_match(name, system(cmd .. ' --clientserver ' .. type .. ' --serverlist'))})
+
+    call assert_match(name, system(actual_cmd .. ' --remote-expr "v:servername"'))
+
+    call system(actual_cmd .. " --remote-expr 'execute(\"qa!\")'")
+    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
+  endfor
+endfunc
+
+" Test if socket server works in the GUI
+func Test_client_server_socket_server_gui()
+  CheckNotMSWindows
+  CheckFeature socketserver
+  CheckFeature gui_gtk
+
+  let g:test_is_flaky = 1
+  let cmd = GetMNVCommand()
+
+  if cmd == ''
+    throw 'GetMNVCommand() failed'
+  endif
+  call Check_X11_Connection()
+
+  let name = 'MNVTESTSOCKET'
+  let cmd .= ' --clientserver socket'
+  let cmd .= ' --servername ' .. name
+
+  let job = job_start(cmd, {'stoponexit': 'kill', 'out_io': 'null'})
+
+  call WaitForAssert({-> assert_equal("run", job_status(job))})
+  call WaitForAssert({-> assert_match(name, system(cmd .. ' --serverlist'))})
+
+  call system(cmd .. " --remote-expr 'execute(\"gui\")'")
+
+  call assert_match('1', system(cmd .. " --remote-expr 'has(\"gui_running\")'"))
+  call assert_match(name, system(cmd .. ' --remote-expr "v:servername"'))
+
+  call system(cmd .. " --remote-expr 'execute(\"qa!\")'")
+  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
+
+" Test if custom paths work for socketserver
+func Test_client_socket_server_custom_path()
+  CheckNotMSWindows
+  CheckFeature socketserver
+  CheckNotFeature x11
+
+  let g:test_is_flaky = 1
+  let cmd = GetMNVCommand()
+
+  if cmd == ''
+    throw 'GetMNVCommand() failed'
+  endif
+
+  let name = 'MNVTESTSOCKET2'
+
+  let paths = ['./' .. name, '../testdir/' .. name, getcwd(-1) .. '/' .. name]
+
+  for path in paths
+    let actual = cmd .. ' --servername ' .. path
+
+    let job = job_start(actual, {'stoponexit': 'kill', 'out_io': 'null'})
+
+    call WaitForAssert({-> assert_equal("run", job_status(job))})
+    call WaitForAssert({-> assert_equal(path, glob(path))})
+
+    call system(actual .. " --remote-expr 'execute(\"qa!\")'")
+    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
+  endfor
+endfunc
+
+" Uncomment this line to get a debugging log
+" call ch_logfile('channellog', 'w')
+
+" mnv: shiftwidth=2 sts=2 expandtab