test: helpers.execute() => helpers.feed_command()

test/benchmark/bench_re_freeze_spec.lua

@@ -1,8 +1,8 @@
 -- Test for benchmarking RE engine.
 
-local helpers = require('test.functional.helpers')
+local helpers = require('test.functional.helpers')(after_each)
 local insert, source = helpers.insert, helpers.source
-local clear, execute, wait = helpers.clear, helpers.execute, helpers.wait
+local clear, command = helpers.clear, helpers.command
 
 -- Temporary file for gathering benchmarking results for each regexp engine.
 local result_file = 'benchmark.out'
@@ -31,7 +31,7 @@ describe('regexp search', function()
     clear()
     source(measure_script)
     insert('" Benchmark_results:')
-    execute('write! ' .. result_file)
+    command('write! ' .. result_file)
   end)
 
   -- At the end of the test run we just print the contents of the result file
@@ -46,22 +46,19 @@ describe('regexp search', function()
 
   it('is working with regexpengine=0', function()
     local regexpengine = 0
-    execute(string.format(measure_cmd, regexpengine))
-    execute('write')
-    wait()
+    command(string.format(measure_cmd, regexpengine))
+    command('write')
   end)
 
   it('is working with regexpengine=1', function()
     local regexpengine = 1
-    execute(string.format(measure_cmd, regexpengine))
-    execute('write')
-    wait()
+    command(string.format(measure_cmd, regexpengine))
+    command('write')
   end)
 
   it('is working with regexpengine=2', function()
     local regexpengine = 2
-    execute(string.format(measure_cmd, regexpengine))
-    execute('write')
-    wait()
+    command(string.format(measure_cmd, regexpengine))
+    command('write')
   end)
 end)

test/functional/normal/lang_spec.lua

@@ -1,6 +1,6 @@
 local helpers = require('test.functional.helpers')(after_each)
 local clear, insert, eq = helpers.clear, helpers.insert, helpers.eq
-local execute, expect = helpers.execute, helpers.expect
+local command, expect = helpers.command, helpers.expect
 local feed, eval = helpers.feed, helpers.eval
 local exc_exec = helpers.exc_exec
 
@@ -32,7 +32,7 @@ describe('gu and gU', function()
     end
 
     before_each(function()
-      execute('lang ctype tr_TR.UTF-8')
+      command('lang ctype tr_TR.UTF-8')
     end)
 
     it('with default casemap', function()
@@ -46,7 +46,7 @@ describe('gu and gU', function()
     end)
 
     it('with casemap=""', function()
-      execute('set casemap=')
+      command('set casemap=')
       -- expect Turkish locale behavior
       insert("iI")
       feed("VgU")

test/functional/ui/inccommand_spec.lua

@@ -1,6 +1,7 @@
 local helpers = require('test.functional.helpers')(after_each)
 local Screen = require('test.functional.ui.screen')
 local clear = helpers.clear
+local command = helpers.command
 local curbufmeths = helpers.curbufmeths
 local eq = helpers.eq
 local eval = helpers.eval
@@ -21,9 +22,9 @@ local default_text = [[
 
 local function common_setup(screen, inccommand, text)
   if screen then
-    feed_command("syntax on")
-    feed_command("set nohlsearch")
-    feed_command("hi Substitute guifg=red guibg=yellow")
+    command("syntax on")
+    command("set nohlsearch")
+    command("hi Substitute guifg=red guibg=yellow")
     screen:attach()
     screen:set_default_attr_ids({
       [1]  = {foreground = Screen.colors.Fuchsia},
@@ -46,7 +47,7 @@ local function common_setup(screen, inccommand, text)
     })
   end
 
-  feed_command("set inccommand=" .. (inccommand and inccommand or ""))
+  command("set inccommand=" .. (inccommand and inccommand or ""))
 
   if text then
     insert(text)
@@ -456,7 +457,7 @@ describe(":substitute, 'inccommand' preserves undo", function()
       insert("X")
       feed("IY<esc>")
       feed(":%s/tw/MO/<esc>")
-      -- execute("undo") here would cause "Press ENTER".
+      -- feed_command("undo") here would cause "Press ENTER".
       feed("u")
       expect(default_text:gsub("Inc", "XInc"))
       feed("u")
@@ -514,7 +515,7 @@ describe(":substitute, 'inccommand' preserves undo", function()
       feed("Ay<esc>")
       feed("Az<esc>")
       feed(":%s/tw/AR<esc>")
-      -- using execute("undo") here will result in a "Press ENTER" prompt
+      -- feed_command("undo") here would cause "Press ENTER".
       feed("u")
       expect(default_text:gsub("lines", "linesxy"))
       feed("u")
@@ -603,7 +604,7 @@ describe(":substitute, 'inccommand' preserves undo", function()
 
       feed_command("set undolevels=-1")
       feed(":%s/tw/MO/g<enter>")
-      -- using execute("undo") here will result in a "Press ENTER" prompt
+      -- feed_command("undo") here will result in a "Press ENTER" prompt
       feed("u")
       if case == "split" then
         screen:expect([[
@@ -804,7 +805,6 @@ describe(":substitute, inccommand=split", function()
   it('does not show split window for :s/', function()
     feed("2gg")
     feed(":s/tw")
-    wait()
     screen:expect([[
       Inc substitution on           |
       two lines                     |
@@ -1291,14 +1291,14 @@ describe("'inccommand' and :cnoremap", function()
   it('work with remapped characters', function()
     for _, case in pairs(cases) do
       refresh(case)
-      local command = "%s/lines/LINES/g"
+      local cmd = "%s/lines/LINES/g"
 
-      for i = 1, string.len(command) do
-        local c = string.sub(command, i, i)
+      for i = 1, string.len(cmd) do
+        local c = string.sub(cmd, i, i)
         feed_command("cnoremap ".. c .. " " .. c)
       end
 
-      feed_command(command)
+      feed_command(cmd)
       expect([[
         Inc substitution on
         two LINES

test/functional/ui/screen.lua

@@ -284,18 +284,13 @@ function Screen:wait(check, timeout)
 
   if failure_after_success then
     print([[
-Warning: Screen changes have been received after the expected state was seen.
-This is probably due to an indeterminism in the test. Try adding
-`wait()` (or even a separate `screen:expect(...)`) at a point of possible
-indeterminism, typically in between a `feed()` or `execute()` which is non-
-synchronous, and a synchronous api call.
 
-Note that sometimes a `wait` can trigger redraws and consequently generate more
-indeterminism. If adding `wait` calls seems to increase the frequency of these
-messages, try removing every `wait` call in the test.
-
-If everything else fails, use Screen:redraw_debug to help investigate what is
-  causing the problem.
+Warning: Screen changes were received after the expected state. This indicates
+indeterminism in the test. Try adding wait() (or screen:expect(...)) between
+asynchronous (feed(), nvim_input()) and synchronous API calls.
+  - Use Screen:redraw_debug() to investigate the problem.
+  - wait() can trigger redraws and consequently generate more indeterminism.
+    In that case try removing every wait().
       ]])
     local tb = debug.traceback()
     local index = string.find(tb, '\n%s*%[C]')