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test: Add synchronization helper for functional tests

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The `wait` function will only return after all input has been processed by nvim.
It is useful to time assertions correctly.
This commit is contained in:
Thiago de Arruda
2015-02-12 13:29:48 -03:00
parent af46564dd6
commit e6208df73e
1 changed files with 7 additions and 2 deletions
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9
test/functional/helpers.lua
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@@ -229,11 +229,15 @@ local function curbuf(method, ...)
return buffer(method, buf, ...) return buffer(method, buf, ...)
end end
local function wait()
session:request('vim_eval', '1')
end
local function curbuf_contents() local function curbuf_contents()
-- Before inspecting the buffer, execute 'vim_eval' to wait until all -- Before inspecting the buffer, execute 'vim_eval' to wait until all
-- previously sent keys are processed(vim_eval is a deferred function, and -- previously sent keys are processed(vim_eval is a deferred function, and
-- only processed after all input) -- only processed after all input)
session:request('vim_eval', '1') wait()
return table.concat(curbuf('get_line_slice', 0, -1, true, true), '\n') return table.concat(curbuf('get_line_slice', 0, -1, true, true), '\n')
end end
@@ -284,5 +288,6 @@ return {
curbuf = curbuf, curbuf = curbuf,
curwin = curwin, curwin = curwin,
curtab = curtab, curtab = curtab,
curbuf_contents = curbuf_contents curbuf_contents = curbuf_contents,
wait = wait
} }