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test: Improve 008_autocommands_spec reliability (#9129)

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Sometimes 008_autocommands_spec fails like this:

    [ RUN      ] autocommands that delete and unload buffers: BufUnload, VimLeave: -- Output to stderr:
    CMake Error at /home/travis/build/neovim/neovim/cmake/RunTests.cmake:53 (message):
      functional tests failed with error: 1

The final :quit + wait() is a race. Use command() instead, which is
synchronous.  Use command('silent! ...') everywhere else too, because
it's clearer instead of feeding input and clearing the expected errors
with CTRL-L.
This commit is contained in:
Justin M. Keyes 2018-10-17 09:24:45 +02:00 committed by GitHub
parent 2d531d296f
commit 9642903dea
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 28 deletions
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45
test/functional/legacy/008_autocommands_spec.lua
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@ -2,9 +2,9 @@
-- Test for BufUnload autocommand that unloads all other buffers.
local helpers = require('test.functional.helpers')(after_each)
local feed, source = helpers.feed, helpers.source
local clear, feed_command, expect, eq, eval = helpers.clear, helpers.feed_command, helpers.expect, helpers.eq, helpers.eval
local write_file, wait, dedent = helpers.write_file, helpers.wait, helpers.dedent
local source = helpers.source
local clear, command, expect, eq, eval = helpers.clear, helpers.command, helpers.expect, helpers.eq, helpers.eval
local write_file, dedent = helpers.write_file, helpers.dedent
local read_file = helpers.read_file
describe('autocommands that delete and unload buffers:', function()
@ -26,29 +26,25 @@ describe('autocommands that delete and unload buffers:', function()
before_each(clear)
it('BufWritePre, BufUnload', function()
feed_command('au BufWritePre Xxx1 bunload')
feed_command('au BufWritePre Xxx2 bwipe')
feed_command('e Xxx2')
command('au BufWritePre Xxx1 bunload')
command('au BufWritePre Xxx2 bwipe')
command('e Xxx2')
eq('Xxx2', eval('bufname("%")'))
feed_command('e Xxx1')
command('e Xxx1')
eq('Xxx1', eval('bufname("%")'))
-- The legacy test file did not check the error message.
feed_command('let v:errmsg = "no error"')
feed_command('write')
-- Discard all "hit enter" prompts and messages.
feed('<C-L>')
command('let v:errmsg = "no error"')
command('silent! write')
eq('E203: Autocommands deleted or unloaded buffer to be written',
eval('v:errmsg'))
eq('Xxx2', eval('bufname("%")'))
expect(text2)
-- Start editing Xxx2.
feed_command('e! Xxx2')
command('e! Xxx2')
-- The legacy test file did not check the error message.
feed_command('let v:errmsg = "no error"')
command('let v:errmsg = "no error"')
-- Write Xxx2, will delete the buffer and give an error msg.
feed_command('w')
-- Discard all "hit enter" prompts and messages.
feed('<C-L>')
command('silent! write')
eq('E203: Autocommands deleted or unloaded buffer to be written',
eval('v:errmsg'))
eq('Xxx1', eval('bufname("%")'))
@ -75,18 +71,11 @@ describe('autocommands that delete and unload buffers:', function()
au BufUnload * call CloseAll()
au VimLeave * call WriteToOut()
]])
feed_command('e Xxx2')
-- Discard all "hit enter" prompts and messages.
feed('<C-L>')
feed_command('e Xxx1')
-- Discard all "hit enter" prompts and messages.
feed('<C-L>')
feed_command('e Makefile') -- an existing file
feed('<C-L>')
feed_command('sp new2')
feed('<C-L>')
feed_command('q')
wait()
command('silent! edit Xxx2')
command('silent! edit Xxx1')
command('silent! edit Makefile') -- an existing file
command('silent! split new2')
command('silent! quit')
eq('VimLeave done',
string.match(read_file(test_file), "^%s*(.-)%s*$"))
end)