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test/ui: make screen:expect() print full state when height does not match

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This commit is contained in:
Björn Linse 2019-08-18 15:06:15 +02:00
parent e29b89ca54
commit 27786df6a3
1 changed files with 17 additions and 13 deletions
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30
test/functional/ui/screen.lua
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@ -391,27 +391,31 @@ function Screen:expect(expected, attr_ids, attr_ignore, ...)
end
if grid ~= nil then
local err_msg, msg_expected_rows = nil, {}
-- `expected` must match the screen lines exactly.
if #actual_rows ~= #expected_rows then
return "Expected screen state's row count(" .. #expected_rows
.. ') differs from configured height(' .. #actual_rows .. ') of Screen.'
err_msg = "Expected screen height " .. #expected_rows
.. ' differs from actual height ' .. #actual_rows .. '.'
end
for i = 1, #actual_rows do
for i = 1, #expected_rows do
msg_expected_rows[i] = expected_rows[i]
if expected_rows[i] ~= actual_rows[i] and expected_rows[i] ~= "{IGNORE}|" then
local msg_expected_rows = {}
for j = 1, #expected_rows do
msg_expected_rows[j] = expected_rows[j]
end
msg_expected_rows[i] = '*' .. msg_expected_rows[i]
actual_rows[i] = '*' .. actual_rows[i]
return (
'Row ' .. tostring(i) .. ' did not match.\n'
..'Expected:\n |'..table.concat(msg_expected_rows, '\n |')..'\n'
..'Actual:\n |'..table.concat(actual_rows, '\n |')..'\n\n'..[[
if i <= #actual_rows then
actual_rows[i] = '*' .. actual_rows[i]
end
if err_msg == nil then
err_msg = 'Row ' .. tostring(i) .. ' did not match.'
end
end
end
if err_msg ~= nil then
return (
err_msg..'\nExpected:\n |'..table.concat(msg_expected_rows, '\n |')..'\n'
..'Actual:\n |'..table.concat(actual_rows, '\n |')..'\n\n'..[[
To print the expect() call that would assert the current screen state, use
screen:snapshot_util(). In case of non-deterministic failures, use
screen:redraw_debug() to show all intermediate screen states. ]])
end
end
end