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test: make expect_unchanged() less confusing (#22255)

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Problem:
The sleep before collecting the initial screen state is confusing and
may lead to unexpected success if it comes after a blocking RPC call.

Solution:
Remove that sleep and add an "intermediate" argument.
This commit is contained in:
zeertzjq
2023-02-15 07:26:55 +08:00
committed by GitHub
parent 556f8646c0
commit 05faa8f30a
7 changed files with 19 additions and 33 deletions
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12
test/functional/ui/screen.lua
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@@ -470,15 +470,19 @@ screen:redraw_debug() to show all intermediate screen states. ]])
end, expected)
end
function Screen:expect_unchanged(waittime_ms, ignore_attrs, request_cb)
function Screen:expect_unchanged(intermediate, waittime_ms, ignore_attrs)
waittime_ms = waittime_ms and waittime_ms or 100
-- Collect the current screen state.
self:sleep(0, request_cb)
local kwargs = self:get_snapshot(nil, ignore_attrs)
-- Check that screen state does not change.
kwargs.unchanged = true
if intermediate then
kwargs.intermediate = true
else
kwargs.unchanged = true
end
kwargs.timeout = waittime_ms
-- Check that screen state does not change.
self:expect(kwargs)
end