Merge #10733 from justinmk/test-fixes

test: use shell-test (avoid system shell)

test/functional/helpers.lua

@@ -302,6 +302,10 @@ end
 local function nvim_feed(input)
   while #input > 0 do
     local written = module.request('nvim_input', input)
+    if written == nil then
+      module.assert_alive()
+      error('nvim_input returned nil (Nvim process terminated?)')
+    end
     input = input:sub(written + 1)
   end
 end
@@ -586,6 +590,11 @@ function module.expect_any(contents)
   return ok(nil ~= string.find(module.curbuf_contents(), contents, 1, true))
 end
 
+-- Checks that the Nvim session did not terminate.
+function module.assert_alive()
+  eq(2, module.eval('1+1'))
+end
+
 local function do_rmdir(path)
   if lfs.attributes(path, 'mode') ~= 'directory' then
     return  -- Don't complain.

test/functional/terminal/ex_terminal_spec.lua

@@ -27,11 +27,7 @@ describe(':terminal', function()
       echomsg "msg3"
     ]])
     -- Invoke a command that emits frequent terminal activity.
-    if iswin() then
-      feed_command([[terminal for /L \%I in (1,0,2) do echo \%I]])
-    else
-      feed_command([[terminal while true; do echo X; done]])
-    end
+    feed([[:terminal "]]..nvim_dir..[[/shell-test" REP 9999 !terminal_output!<cr>]])
     feed([[<C-\><C-N>]])
     wait()
     -- Wait for some terminal activity.

test/functional/ui/inccommand_spec.lua

@@ -16,8 +16,8 @@ local retry = helpers.retry
 local source = helpers.source
 local wait = helpers.wait
 local nvim = helpers.nvim
-local iswin = helpers.iswin
 local sleep = helpers.sleep
+local nvim_dir = helpers.nvim_dir
 
 local default_text = [[
   Inc substitution on
@@ -2555,56 +2555,18 @@ it(':substitute with inccommand during :terminal activity', function()
     clear()
 
     command("set cmdwinheight=3")
-    if iswin() then
-      feed([[:terminal for /L \%I in (1,1,5000) do @(echo xxx & echo xxx & echo xxx)<cr>]])
-    else
-      feed([[:terminal for i in $(seq 1 5000); do printf 'xxx\nxxx\nxxx\n'; done<cr>]])
-    end
+    feed([[:terminal "]]..nvim_dir..[[/shell-test" REP 5000 xxx<cr>]])
     command('file term')
+    feed('G')  -- Follow :terminal output.
     command('new')
     common_setup(screen, 'split', 'foo bar baz\nbar baz fox\nbar foo baz')
     command('wincmd =')
 
-    -- Wait for terminal output.
-    screen:expect([[
-      bar baz fox                   |
-      bar foo ba^z                   |
-      {15:~                             }|
-      {15:~                             }|
-      {15:~                             }|
-      {15:~                             }|
-      {11:[No Name] [+]                 }|
-      xxx                           |
-      xxx                           |
-      xxx                           |
-      xxx                           |
-      xxx                           |
-      xxx                           |
-      {10:term                          }|
-                                    |
-    ]])
-
     feed('gg')
     feed(':%s/foo/ZZZ')
     sleep(20)  -- Allow some terminal activity.
-    screen:expect([[
-      {12:ZZZ} bar baz                   |
-      bar baz fox                   |
-      bar {12:ZZZ} baz                   |
-      {15:~                             }|
-      {15:~                             }|
-      {15:~                             }|
-      {11:[No Name] [+]                 }|
-      xxx                           |
-      xxx                           |
-      {10:term                          }|
-      |1| {12:ZZZ} bar baz               |
-      |3| bar {12:ZZZ} baz               |
-      {15:~                             }|
-      {10:[Preview]                     }|
-      :%s/foo/ZZZ^                   |
-    ]])
-
+    helpers.wait()
+    screen:expect_unchanged()
   end)
 end)
 

test/functional/ui/wildmode_spec.lua

@@ -7,6 +7,7 @@ local funcs = helpers.funcs
 local eq = helpers.eq
 local eval = helpers.eval
 local retry = helpers.retry
+local nvim_dir = helpers.nvim_dir
 
 describe("'wildmenu'", function()
   local screen
@@ -83,13 +84,8 @@ describe("'wildmenu'", function()
   it('is preserved during :terminal activity', function()
     command('set wildmenu wildmode=full')
     command('set scrollback=4')
-    if iswin() then
-      feed([[:terminal for /L \%I in (1,1,5000) do @(echo foo & echo foo & echo foo)<cr>]])
-    else
-      feed([[:terminal for i in $(seq 1 5000); do printf 'foo\nfoo\nfoo\n'; sleep 0.1; done<cr>]])
-    end
-
-    feed([[<C-\><C-N>gg]])
+    feed([[:terminal "]]..nvim_dir..[[/shell-test" REP 5000 !terminal_output!<cr>]])
+    feed('G')  -- Follow :terminal output.
     feed([[:sign <Tab>]])   -- Invoke wildmenu.
     -- NB: in earlier versions terminal output was redrawn during cmdline mode.
     -- For now just assert that the screen remains unchanged.
@@ -114,13 +110,7 @@ describe("'wildmenu'", function()
 
     -- Exiting cmdline should show the buffer.
     feed([[<C-\><C-N>]])
-    screen:expect([[
-      ^foo                      |
-      foo                      |
-      foo                      |
-      foo                      |
-                               |
-    ]])
+    screen:expect{any=[[!terminal_output!]]}
   end)
 
   it('ignores :redrawstatus called from a timer #7108', function()