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test(api): migrate screenchar() test in in window API to screen test

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This produces actual output in case of regressions.
This commit is contained in:
bfredl 2022-10-05 11:23:11 +02:00
parent 6abb481051
commit fc1f84c4c5
1 changed files with 74 additions and 32 deletions
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106
test/functional/api/window_spec.lua
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@ -15,25 +15,6 @@ local command = helpers.command
local pcall_err = helpers.pcall_err
local assert_alive = helpers.assert_alive
-- check if str is visible at the beginning of some line
local function is_visible(str)
local slen = string.len(str)
local nlines = eval("&lines")
for i = 1,nlines do
local iseq = true
for j = 1,slen do
if string.byte(str,j) ~= eval("screenchar("..i..","..j..")") then
iseq = false
break
end
end
if iseq then
return true
end
end
return false
end
describe('API/win', function()
before_each(clear)
@ -79,27 +60,61 @@ describe('API/win', function()
end)
it('updates the screen, and also when the window is unfocused', function()
local screen = Screen.new(30, 9)
screen:set_default_attr_ids({
[1] = {bold = true, foreground = Screen.colors.Blue},
[2] = {bold = true, reverse = true};
[3] = {reverse = true};
})
screen:attach()
insert("prologue")
feed('100o<esc>')
insert("epilogue")
local win = curwin()
feed('gg')
poke_eventloop() -- let nvim process the 'gg' command
screen:expect{grid=[[
^prologue |
|
|
|
|
|
|
|
|
]]}
-- cursor position is at beginning
eq({1, 0}, window('get_cursor', win))
eq(true, is_visible("prologue"))
eq(false, is_visible("epilogue"))
-- move cursor to end
window('set_cursor', win, {101, 0})
eq(false, is_visible("prologue"))
eq(true, is_visible("epilogue"))
screen:expect{grid=[[
|
|
|
|
|
|
|
^epilogue |
|
]]}
-- move cursor to the beginning again
window('set_cursor', win, {1, 0})
eq(true, is_visible("prologue"))
eq(false, is_visible("epilogue"))
screen:expect{grid=[[
^prologue |
|
|
|
|
|
|
|
|
]]}
-- move focus to new window
nvim('command',"new")
@ -107,18 +122,45 @@ describe('API/win', function()
-- sanity check, cursor position is kept
eq({1, 0}, window('get_cursor', win))
eq(true, is_visible("prologue"))
eq(false, is_visible("epilogue"))
screen:expect{grid=[[
^ |
{1:~ }|
{1:~ }|
{2:[No Name] }|
prologue |
|
|
{3:[No Name] [+] }|
|
]]}
-- move cursor to end
window('set_cursor', win, {101, 0})
eq(false, is_visible("prologue"))
eq(true, is_visible("epilogue"))
screen:expect{grid=[[
^ |
{1:~ }|
{1:~ }|
{2:[No Name] }|
|
|
epilogue |
{3:[No Name] [+] }|
|
]]}
-- move cursor to the beginning again
window('set_cursor', win, {1, 0})
eq(true, is_visible("prologue"))
eq(false, is_visible("epilogue"))
screen:expect{grid=[[
^ |
{1:~ }|
{1:~ }|
{2:[No Name] }|
prologue |
|
|
{3:[No Name] [+] }|
|
]]}
-- curwin didn't change back
neq(win, curwin())