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(mini.misc tests) Add tests for MiniMisc.restore_cursor
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@cryptomilk
cryptomilk committed Jan 22, 2023
1 parent 34cf410 commit 367723d
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31 changes: 31 additions & 0 deletions tests/dir-misc/cursor_restore.lua
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local dummy = function()
line = 2
line = 3
line = 4
line = 5
line = 6
line = 7
line = 8
line = 9
line = 10
line = 11
line = 12
line = 13
line = 14
line = 15
line = 16
line = 17
line = 18
line = 19
line = 20
line = 21
line = 22
line = 23
line = 24
line = 25
line = 26
line = 27
line = 28
line = 29
line = 30
end
228 changes: 228 additions & 0 deletions tests/test_misc.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,9 @@ local get_lines = function(...) return child.get_lines(...) end
local make_path = function(...) return table.concat({...}, path_sep):gsub(path_sep .. path_sep, path_sep) end
local make_abspath = function(...) return make_path(project_root, ...) end
local getcwd = function() return child.fn.fnamemodify(child.fn.getcwd(), ':p') end
local cd = function(...) child.cmd('cd ' .. make_path(...)) end
local set_cursor = function(...) return child.set_cursor(...) end
local get_cursor = function(...) return child.get_cursor(...) end
--stylua: ignore end

-- Output test set ============================================================
Expand Down Expand Up @@ -541,4 +544,229 @@ T['zoom()']['respects `config` argument'] = function()
child.expect_screenshot()
end

T['setup_restore_cursor()'] = new_set()

local setup_restore_cursor = function(...) child.lua('MiniMisc.setup_restore_cursor(...)', { ... }) end

T['setup_restore_cursor()']['autocmd is registered'] = function()
setup_restore_cursor()

eq(child.fn.exists('#MiniMiscRestoreCursor'), 1)
end

T['setup_restore_cursor()']['set options and autocmd registered'] = function()
setup_restore_cursor({
ignore_buftype = { 'nofile' },
ignore_filetype = { 'gitcommit' },
center = true
})

eq(child.fn.exists('#MiniMiscRestoreCursor'), 1)
end

T['setup_restore_cursor()']['invalid options raise error'] = function()
expect.error(function() setup_restore_cursor({ ignore_buftype = true }) end, '`opts.ignore_buftype`.*array')
expect.error(function() setup_restore_cursor({ ignore_filetype = true }) end, '`opts.ignore_filetype`.*array')
expect.error(function() setup_restore_cursor({ center = '' }) end, '`opts.center`.*boolean')
end

local cursor_dir_relpath = 'tests/dir-misc/cursor'
local cursor_dir_path = vim.fn.fnamemodify(cursor_dir_relpath, ':p')
local cursor_shada_file = string.format("%s/cursor.shada", cusor_dir_path)

local cursor_cleanup = function()
child.fn.delete(cursor_dir_path, 'rf')
end

T['restore_cursor()'] = new_set({
hooks = {
pre_case = function()
cursor_cleanup()
end,
post_once = function()
cursor_cleanup()
end,
},
})

local restore_cursor = function(...) child.lua('MiniMisc.restore_cursor(...)', { ... }) end
local test_file_cursor = make_abspath('tests/dir-misc/cursor_restore.lua')

local write_shada_file = function()
child.fn.mkdir(cursor_dir_path)
child.o.shadafile = ''
child.cmd('wshada! ' .. cursor_shada_file)
-- Verify that shada file has been written
eq(child.fn.filereadable(cursor_shada_file), 1)
end

local read_shada_file = function()
eq(child.fn.filereadable(cursor_shada_file), 1)

child.cmd('rshada! ' .. cursor_shada_file)
end

local fold_range = function(from, to)
local fold_cmd = string.format('%u,%u fold', from, to)
child.cmd(fold_cmd)
end

T['restore_cursor()']['works with a file'] = function()
child.set_size(10, 20)
child.cmd('edit ' .. test_file_cursor)

local line = 15
local column = 5
set_cursor(line, column)
write_shada_file()
child.cmd('bdelete')

read_shada_file()
child.cmd('edit ' .. test_file_cursor)
eq(get_cursor(), { 1, 0 })
restore_cursor()
eq(get_cursor(), { line, column })

eq(child.fn.line('w0'), 12)
end

T['restore_cursor()']['works with special buffer'] = function()
child.cmd('help')
local line = 20
set_cursor(line)
write_shada_file()
child.cmd('quit')

read_shada_file()
child.cmd('help')
eq(get_cursor(), { 1, 0 })
restore_cursor()
eq(get_cursor(), { line, 0 })
end

T['restore_cursor()']['ignore if line specified on cmdline'] = function()
child.cmd('edit ' .. test_file_cursor)

local line = 20
local column = 5
set_cursor(line, column)
write_shada_file()
child.cmd('bdelete')

child.restart({ '-u', 'scripts/minimal_init.lua', '+2', '--', test_file_cursor })
load_module()

read_shada_file()
child.cmd('edit ' .. test_file_cursor)
restore_cursor()
eq(get_cursor(), { 2, 0 })
end

T['restore_cursor()']['respects option `ignore_buftype`'] = function()
child.cmd('help')

local line = 20
set_cursor(line)
write_shada_file()
child.cmd('quit')

read_shada_file()
child.cmd('help')
restore_cursor({ ignore_buftype = { 'help' }})
eq(get_cursor(), { 1, 0 })
end

T['restore_cursor()']['respects option `ignore_filetype`'] = function()
child.cmd('edit ' .. test_file_cursor)

local line = 26
set_cursor(line)
write_shada_file()
child.cmd('bdelete')

read_shada_file()
child.cmd('edit ' .. test_file_cursor)
restore_cursor({ ignore_filetype = { 'lua' }})
eq(get_cursor(), { 1, 0 })
end

T['restore_cursor()']['respects option `center` on eof'] = function()
child.set_size(10, 20)
child.cmd('edit ' .. test_file_cursor)

local last_line = child.fn.line('$')
set_cursor(last_line)
write_shada_file()
child.cmd('bdelete')

read_shada_file()
child.cmd('edit ' .. test_file_cursor)
restore_cursor()
eq(get_cursor(), { last_line, 0 })

eq(child.fn.line('w0'), 28)
end

T['restore_cursor()']['respects option `center = false` on eof'] = function()
child.set_size(10, 20)
child.cmd('edit ' .. test_file_cursor)

local last_line = child.fn.line('$')
set_cursor(last_line)
write_shada_file()
child.cmd('bdelete')

read_shada_file()
child.cmd('edit ' .. test_file_cursor)
restore_cursor({ center = false })
eq(get_cursor(), { last_line, 0 })

eq(child.fn.line('w0'), last_line - 7)
eq(child.fn.line('w$'), last_line)
end

T['restore_cursor()']['opens a fold and centers window'] = function()
child.set_size(10, 20)
child.cmd('edit ' .. test_file_cursor)

local line = 15
set_cursor(line)
fold_range(2, 30)
eq(child.fn.foldclosed(10), 2)
eq(child.fn.foldclosed(31), -1)
write_shada_file()
child.cmd('bdelete')

read_shada_file()
child.cmd('edit ' .. test_file_cursor)
eq(get_cursor(), { 1, 0 })
restore_cursor()
eq(get_cursor(), { line, 0 })
eq(child.fn.foldclosed('.'), -1)
eq(child.fn.foldclosed(10), -1)

eq(child.fn.line('w0'), 12)
end

T['restore_cursor()']['respects option `center = false` with folds on eof'] = function()
child.set_size(10, 20)
child.cmd('edit ' .. test_file_cursor)

local last_line = child.fn.line('$')
set_cursor(last_line)
fold_range(2, last_line)
eq(child.fn.foldclosed('30'), 2)
write_shada_file()
child.cmd('bdelete')

read_shada_file()
child.cmd('edit ' .. test_file_cursor)
eq(get_cursor(), { 1, 0 })
restore_cursor({ center = false })
eq(get_cursor(), { last_line, 0 })
eq(child.fn.foldclosed('30'), -1)

eq(child.fn.line('w0'), last_line - 7)
end

return T

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