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|
" Tests for Lua.
if !has('lua')
finish
endif
" Check that switching to another buffer does not trigger ml_get error.
func Test_command_new_no_ml_get_error()
new
let wincount = winnr('$')
call setline(1, ['one', 'two', 'three'])
luado vim.command("new")
call assert_equal(wincount + 1, winnr('$'))
%bwipe!
endfunc
" Test vim.command()
func Test_command()
new
call setline(1, ['one', 'two', 'three'])
luado vim.command("1,2d_")
call assert_equal(['three'], getline(1, '$'))
bwipe!
endfunc
" Test vim.eval()
func Test_eval()
" lua.eval with a number
lua v = vim.eval('123')
call assert_equal('number', luaeval('vim.type(v)'))
call assert_equal(123.0, luaeval('v'))
" lua.eval with a string
lua v = vim.eval('"abc"')
call assert_equal('string', luaeval('vim.type(v)'))
call assert_equal('abc', luaeval('v'))
" lua.eval with a list
lua v = vim.eval("['a']")
call assert_equal('list', luaeval('vim.type(v)'))
call assert_equal(['a'], luaeval('v'))
" lua.eval with a dict
lua v = vim.eval("{'a':'b'}")
call assert_equal('dict', luaeval('vim.type(v)'))
call assert_equal({'a':'b'}, luaeval('v'))
call assert_fails('lua v = vim.eval(nil)',
\ "[string \"vim chunk\"]:1: bad argument #1 to 'eval' (string expected, got nil)")
call assert_fails('lua v = vim.eval(true)',
\ "[string \"vim chunk\"]:1: bad argument #1 to 'eval' (string expected, got boolean)")
call assert_fails('lua v = vim.eval({})',
\ "[string \"vim chunk\"]:1: bad argument #1 to 'eval' (string expected, got table)")
call assert_fails('lua v = vim.eval(print)',
\ "[string \"vim chunk\"]:1: bad argument #1 to 'eval' (string expected, got function)")
call assert_fails('lua v = vim.eval(vim.buffer())',
\ "[string \"vim chunk\"]:1: bad argument #1 to 'eval' (string expected, got userdata)")
lua v = nil
endfunc
" Test vim.window()
func Test_window()
e Xfoo2
new Xfoo1
" Window 1 (top window) contains Xfoo1
" Window 2 (bottom window) contains Xfoo2
call assert_equal('Xfoo1', luaeval('vim.window(1):buffer().name'))
call assert_equal('Xfoo2', luaeval('vim.window(2):buffer().name'))
" Window 3 does not exist so vim.window(3) should return nil
call assert_equal('nil', luaeval('tostring(vim.window(3))'))
%bwipe!
endfunc
" Test vim.window().height
func Test_window_height()
new
lua vim.window().height = 2
call assert_equal(2, winheight(0))
lua vim.window().height = vim.window().height + 1
call assert_equal(3, winheight(0))
bwipe!
endfunc
" Test vim.window().width
func Test_window_width()
vert new
lua vim.window().width = 2
call assert_equal(2, winwidth(0))
lua vim.window().width = vim.window().width + 1
call assert_equal(3, winwidth(0))
bwipe!
endfunc
" Test vim.window().line and vim.window.col
func Test_window_line_col()
new
call setline(1, ['line1', 'line2', 'line3'])
lua vim.window().line = 2
lua vim.window().col = 4
call assert_equal([0, 2, 4, 0], getpos('.'))
lua vim.window().line = vim.window().line + 1
lua vim.window().col = vim.window().col - 1
call assert_equal([0, 3, 3, 0], getpos('.'))
call assert_fails('lua vim.window().line = 10',
\ '[string "vim chunk"]:1: line out of range')
bwipe!
endfunc
" Test setting the current window
func Test_window_set_current()
new Xfoo1
lua w1 = vim.window()
new Xfoo2
lua w2 = vim.window()
call assert_equal('Xfoo2', bufname('%'))
lua w1()
call assert_equal('Xfoo1', bufname('%'))
lua w2()
call assert_equal('Xfoo2', bufname('%'))
lua w1, w2 = nil
%bwipe!
endfunc
" Test vim.window().buffer
func Test_window_buffer()
new Xfoo1
lua w1 = vim.window()
lua b1 = w1.buffer()
new Xfoo2
lua w2 = vim.window()
lua b2 = w2.buffer()
lua b1()
call assert_equal('Xfoo1', bufname('%'))
lua b2()
call assert_equal('Xfoo2', bufname('%'))
lua b1, b2, w1, w2 = nil
%bwipe!
endfunc
" Test vim.window():previous() and vim.window():next()
func Test_window_next_previous()
new Xfoo1
new Xfoo2
new Xfoo3
wincmd j
call assert_equal('Xfoo2', luaeval('vim.window().buffer().name'))
call assert_equal('Xfoo1', luaeval('vim.window():next():buffer().name'))
call assert_equal('Xfoo3', luaeval('vim.window():previous():buffer().name'))
%bwipe!
endfunc
" Test vim.window():isvalid()
func Test_window_isvalid()
new Xfoo
lua w = vim.window()
call assert_true(luaeval('w:isvalid()'))
" FIXME: how to test the case when isvalid() returns v:false?
" isvalid() gives errors when the window is deleted. Is it a bug?
lua w = nil
bwipe!
endfunc
" Test vim.buffer() with and without argument
func Test_buffer()
new Xfoo1
let bn1 = bufnr('%')
new Xfoo2
let bn2 = bufnr('%')
" Test vim.buffer() without argument.
call assert_equal('Xfoo2', luaeval("vim.buffer().name"))
" Test vim.buffer() with string argument.
call assert_equal('Xfoo1', luaeval("vim.buffer('Xfoo1').name"))
call assert_equal('Xfoo2', luaeval("vim.buffer('Xfoo2').name"))
" Test vim.buffer() with integer argument.
call assert_equal('Xfoo1', luaeval("vim.buffer(" . bn1 . ").name"))
call assert_equal('Xfoo2', luaeval("vim.buffer(" . bn2 . ").name"))
lua bn1, bn2 = nil
%bwipe!
endfunc
" Test vim.buffer().name and vim.buffer().fname
func Test_buffer_name()
new
call assert_equal('', luaeval('vim.buffer().name'))
call assert_equal('', luaeval('vim.buffer().fname'))
bwipe!
new Xfoo
call assert_equal('Xfoo', luaeval('vim.buffer().name'))
call assert_equal(expand('%:p'), luaeval('vim.buffer().fname'))
bwipe!
endfunc
" Test vim.buffer().number
func Test_buffer_number()
" All numbers in Lua are floating points number (no integers).
call assert_equal(bufnr('%'), float2nr(luaeval('vim.buffer().number')))
endfunc
" Test inserting lines in buffer.
func Test_buffer_insert()
new
lua vim.buffer()[1] = '3'
lua vim.buffer():insert('1', 0)
lua vim.buffer():insert('2', 1)
lua vim.buffer():insert('4', 10)
call assert_equal(['1', '2', '3', '4'], getline(1, '$'))
bwipe!
endfunc
" Test deleting line in buffer
func Test_buffer_delete()
new
call setline(1, ['1', '2', '3'])
lua vim.buffer()[2] = nil
call assert_equal(['1', '3'], getline(1, '$'))
call assert_fails('lua vim.buffer()[3] = nil',
\ '[string "vim chunk"]:1: invalid line number')
bwipe!
endfunc
" Test #vim.buffer() i.e. number of lines in buffer
func Test_buffer_number_lines()
new
call setline(1, ['a', 'b', 'c'])
call assert_equal(3.0, luaeval('#vim.buffer()'))
bwipe!
endfunc
" Test vim.buffer():next() and vim.buffer():previous()
" Note that these functions get the next or previous buffers
" but do not switch buffer.
func Test_buffer_next_previous()
new Xfoo1
new Xfoo2
new Xfoo3
b Xfoo2
lua bn = vim.buffer():next()
lua bp = vim.buffer():previous()
call assert_equal('Xfoo2', luaeval('vim.buffer().name'))
call assert_equal('Xfoo1', luaeval('bp.name'))
call assert_equal('Xfoo3', luaeval('bn.name'))
call assert_equal('Xfoo2', bufname('%'))
lua bn()
call assert_equal('Xfoo3', luaeval('vim.buffer().name'))
call assert_equal('Xfoo3', bufname('%'))
lua bp()
call assert_equal('Xfoo1', luaeval('vim.buffer().name'))
call assert_equal('Xfoo1', bufname('%'))
lua bn, bp = nil
%bwipe!
endfunc
" Test vim.buffer():isvalid()
func Test_buffer_isvalid()
new Xfoo
lua b = vim.buffer()
call assert_true(luaeval('b:isvalid()'))
" FIXME: how to test the case when isvalid() returns v:false?
" isvalid() gives errors when the buffer is wiped. Is it a bug?
lua b = nil
bwipe!
endfunc
func Test_list()
call assert_equal([], luaeval('vim.list()'))
let l = []
lua l = vim.eval('l')
lua l:add(123)
lua l:add('abc')
lua l:add(true)
lua l:add(false)
lua l:add(vim.eval("[1, 2, 3]"))
lua l:add(vim.eval("{'a':1, 'b':2, 'c':3}"))
call assert_equal([123.0, 'abc', v:true, v:false, [1, 2, 3], {'a': 1, 'b': 2, 'c': 3}], l)
call assert_equal(6.0, luaeval('#l'))
call assert_match('^list: \%(0x\)\?\x\+$', luaeval('tostring(l)'))
lua l[0] = 124
lua l[4] = nil
lua l:insert('first')
lua l:insert('xx', 3)
call assert_equal(['first', 124.0, 'abc', 'xx', v:true, v:false, {'a': 1, 'b': 2, 'c': 3}], l)
lockvar 1 l
call assert_fails('lua l:add("x")', '[string "vim chunk"]:1: list is locked')
lua l = nil
endfunc
func Test_list_table()
" See :help lua-vim
" Non-numeric keys should not be used to initialize the list
" so say = 'hi' should be ignored.
lua t = {3.14, 'hello', false, true, say = 'hi'}
call assert_equal([3.14, 'hello', v:false, v:true], luaeval('vim.list(t)'))
lua t = nil
call assert_fails('lua vim.list(1)', '[string "vim chunk"]:1: table expected, got number')
call assert_fails('lua vim.list("x")', '[string "vim chunk"]:1: table expected, got string')
call assert_fails('lua vim.list(print)', '[string "vim chunk"]:1: table expected, got function')
call assert_fails('lua vim.list(true)', '[string "vim chunk"]:1: table expected, got boolean')
endfunc
" Test l() i.e. iterator on list
func Test_list_iter()
lua l = vim.list():add('foo'):add('bar')
lua str = ''
lua for v in l() do str = str .. v end
call assert_equal('foobar', luaeval('str'))
lua str, l = nil
endfunc
func Test_recursive_list()
lua l = vim.list():add(1):add(2)
lua l = l:add(l)
call assert_equal(1.0, luaeval('l[0]'))
call assert_equal(2.0, luaeval('l[1]'))
call assert_equal(1.0, luaeval('l[2][0]'))
call assert_equal(2.0
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