neovim/test/functional/lua/vim_spec.lua
2021-06-10 09:34:29 +02:00

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-- Test suite for testing interactions with API bindings
local helpers = require('test.functional.helpers')(after_each)
local Screen = require('test.functional.ui.screen')
local funcs = helpers.funcs
local meths = helpers.meths
local dedent = helpers.dedent
local command = helpers.command
local clear = helpers.clear
local eq = helpers.eq
local ok = helpers.ok
local eval = helpers.eval
local feed = helpers.feed
local pcall_err = helpers.pcall_err
local exec_lua = helpers.exec_lua
local matches = helpers.matches
local source = helpers.source
local NIL = helpers.NIL
local retry = helpers.retry
before_each(clear)
describe('lua stdlib', function()
-- İ: `tolower("İ")` is `i` which has length 1 while `İ` itself has
-- length 2 (in bytes).
-- Ⱥ: `tolower("Ⱥ")` is `ⱥ` which has length 2 while `Ⱥ` itself has
-- length 3 (in bytes).
--
-- Note: 'i' !=? 'İ' and 'ⱥ' !=? 'Ⱥ' on some systems.
-- Note: Built-in Nvim comparison (on systems lacking `strcasecmp`) works
-- only on ASCII characters.
it('vim.stricmp', function()
eq(0, funcs.luaeval('vim.stricmp("a", "A")'))
eq(0, funcs.luaeval('vim.stricmp("A", "a")'))
eq(0, funcs.luaeval('vim.stricmp("a", "a")'))
eq(0, funcs.luaeval('vim.stricmp("A", "A")'))
eq(0, funcs.luaeval('vim.stricmp("", "")'))
eq(0, funcs.luaeval('vim.stricmp("\\0", "\\0")'))
eq(0, funcs.luaeval('vim.stricmp("\\0\\0", "\\0\\0")'))
eq(0, funcs.luaeval('vim.stricmp("\\0\\0\\0", "\\0\\0\\0")'))
eq(0, funcs.luaeval('vim.stricmp("\\0\\0\\0A", "\\0\\0\\0a")'))
eq(0, funcs.luaeval('vim.stricmp("\\0\\0\\0a", "\\0\\0\\0A")'))
eq(0, funcs.luaeval('vim.stricmp("\\0\\0\\0a", "\\0\\0\\0a")'))
eq(0, funcs.luaeval('vim.stricmp("a\\0", "A\\0")'))
eq(0, funcs.luaeval('vim.stricmp("A\\0", "a\\0")'))
eq(0, funcs.luaeval('vim.stricmp("a\\0", "a\\0")'))
eq(0, funcs.luaeval('vim.stricmp("A\\0", "A\\0")'))
eq(0, funcs.luaeval('vim.stricmp("\\0a", "\\0A")'))
eq(0, funcs.luaeval('vim.stricmp("\\0A", "\\0a")'))
eq(0, funcs.luaeval('vim.stricmp("\\0a", "\\0a")'))
eq(0, funcs.luaeval('vim.stricmp("\\0A", "\\0A")'))
eq(0, funcs.luaeval('vim.stricmp("\\0a\\0", "\\0A\\0")'))
eq(0, funcs.luaeval('vim.stricmp("\\0A\\0", "\\0a\\0")'))
eq(0, funcs.luaeval('vim.stricmp("\\0a\\0", "\\0a\\0")'))
eq(0, funcs.luaeval('vim.stricmp("\\0A\\0", "\\0A\\0")'))
eq(-1, funcs.luaeval('vim.stricmp("a", "B")'))
eq(-1, funcs.luaeval('vim.stricmp("A", "b")'))
eq(-1, funcs.luaeval('vim.stricmp("a", "b")'))
eq(-1, funcs.luaeval('vim.stricmp("A", "B")'))
eq(-1, funcs.luaeval('vim.stricmp("", "\\0")'))
eq(-1, funcs.luaeval('vim.stricmp("\\0", "\\0\\0")'))
eq(-1, funcs.luaeval('vim.stricmp("\\0\\0", "\\0\\0\\0")'))
eq(-1, funcs.luaeval('vim.stricmp("\\0\\0\\0A", "\\0\\0\\0b")'))
eq(-1, funcs.luaeval('vim.stricmp("\\0\\0\\0a", "\\0\\0\\0B")'))
eq(-1, funcs.luaeval('vim.stricmp("\\0\\0\\0a", "\\0\\0\\0b")'))
eq(-1, funcs.luaeval('vim.stricmp("a\\0", "B\\0")'))
eq(-1, funcs.luaeval('vim.stricmp("A\\0", "b\\0")'))
eq(-1, funcs.luaeval('vim.stricmp("a\\0", "b\\0")'))
eq(-1, funcs.luaeval('vim.stricmp("A\\0", "B\\0")'))
eq(-1, funcs.luaeval('vim.stricmp("\\0a", "\\0B")'))
eq(-1, funcs.luaeval('vim.stricmp("\\0A", "\\0b")'))
eq(-1, funcs.luaeval('vim.stricmp("\\0a", "\\0b")'))
eq(-1, funcs.luaeval('vim.stricmp("\\0A", "\\0B")'))
eq(-1, funcs.luaeval('vim.stricmp("\\0a\\0", "\\0B\\0")'))
eq(-1, funcs.luaeval('vim.stricmp("\\0A\\0", "\\0b\\0")'))
eq(-1, funcs.luaeval('vim.stricmp("\\0a\\0", "\\0b\\0")'))
eq(-1, funcs.luaeval('vim.stricmp("\\0A\\0", "\\0B\\0")'))
eq(1, funcs.luaeval('vim.stricmp("c", "B")'))
eq(1, funcs.luaeval('vim.stricmp("C", "b")'))
eq(1, funcs.luaeval('vim.stricmp("c", "b")'))
eq(1, funcs.luaeval('vim.stricmp("C", "B")'))
eq(1, funcs.luaeval('vim.stricmp("\\0", "")'))
eq(1, funcs.luaeval('vim.stricmp("\\0\\0", "\\0")'))
eq(1, funcs.luaeval('vim.stricmp("\\0\\0\\0", "\\0\\0")'))
eq(1, funcs.luaeval('vim.stricmp("\\0\\0\\0\\0", "\\0\\0\\0")'))
eq(1, funcs.luaeval('vim.stricmp("\\0\\0\\0C", "\\0\\0\\0b")'))
eq(1, funcs.luaeval('vim.stricmp("\\0\\0\\0c", "\\0\\0\\0B")'))
eq(1, funcs.luaeval('vim.stricmp("\\0\\0\\0c", "\\0\\0\\0b")'))
eq(1, funcs.luaeval('vim.stricmp("c\\0", "B\\0")'))
eq(1, funcs.luaeval('vim.stricmp("C\\0", "b\\0")'))
eq(1, funcs.luaeval('vim.stricmp("c\\0", "b\\0")'))
eq(1, funcs.luaeval('vim.stricmp("C\\0", "B\\0")'))
eq(1, funcs.luaeval('vim.stricmp("c\\0", "B")'))
eq(1, funcs.luaeval('vim.stricmp("C\\0", "b")'))
eq(1, funcs.luaeval('vim.stricmp("c\\0", "b")'))
eq(1, funcs.luaeval('vim.stricmp("C\\0", "B")'))
eq(1, funcs.luaeval('vim.stricmp("\\0c", "\\0B")'))
eq(1, funcs.luaeval('vim.stricmp("\\0C", "\\0b")'))
eq(1, funcs.luaeval('vim.stricmp("\\0c", "\\0b")'))
eq(1, funcs.luaeval('vim.stricmp("\\0C", "\\0B")'))
eq(1, funcs.luaeval('vim.stricmp("\\0c\\0", "\\0B\\0")'))
eq(1, funcs.luaeval('vim.stricmp("\\0C\\0", "\\0b\\0")'))
eq(1, funcs.luaeval('vim.stricmp("\\0c\\0", "\\0b\\0")'))
eq(1, funcs.luaeval('vim.stricmp("\\0C\\0", "\\0B\\0")'))
end)
-- for brevity, match only the error header (not the traceback)
local function pcall_header(...)
return string.gsub(string.gsub(pcall_err(exec_lua, ...), '[\r\n].*', ''), '^Error executing lua: ', '')
end
it('vim.startswith', function()
eq(true, funcs.luaeval('vim.startswith("123", "1")'))
eq(true, funcs.luaeval('vim.startswith("123", "")'))
eq(true, funcs.luaeval('vim.startswith("123", "123")'))
eq(true, funcs.luaeval('vim.startswith("", "")'))
eq(false, funcs.luaeval('vim.startswith("123", " ")'))
eq(false, funcs.luaeval('vim.startswith("123", "2")'))
eq(false, funcs.luaeval('vim.startswith("123", "1234")'))
eq("vim/shared.lua:0: prefix: expected string, got nil", pcall_header 'return vim.startswith("123", nil)')
eq("vim/shared.lua:0: s: expected string, got nil", pcall_header 'return vim.startswith(nil, "123")')
end)
it('vim.endswith', function()
eq(true, funcs.luaeval('vim.endswith("123", "3")'))
eq(true, funcs.luaeval('vim.endswith("123", "")'))
eq(true, funcs.luaeval('vim.endswith("123", "123")'))
eq(true, funcs.luaeval('vim.endswith("", "")'))
eq(false, funcs.luaeval('vim.endswith("123", " ")'))
eq(false, funcs.luaeval('vim.endswith("123", "2")'))
eq(false, funcs.luaeval('vim.endswith("123", "1234")'))
eq("vim/shared.lua:0: suffix: expected string, got nil", pcall_header 'return vim.endswith("123", nil)')
eq("vim/shared.lua:0: s: expected string, got nil", pcall_header 'return vim.endswith(nil, "123")')
end)
it("vim.str_utfindex/str_byteindex", function()
exec_lua([[_G.test_text = "xy åäö ɧ 汉语 ↥ 🤦x🦄 å بِيَّ"]])
local indicies32 = {[0]=0,1,2,3,5,7,9,10,12,13,16,19,20,23,24,28,29,33,34,35,37,38,40,42,44,46,48}
local indicies16 = {[0]=0,1,2,3,5,7,9,10,12,13,16,19,20,23,24,28,28,29,33,33,34,35,37,38,40,42,44,46,48}
for i,k in pairs(indicies32) do
eq(k, exec_lua("return vim.str_byteindex(_G.test_text, ...)", i), i)
end
for i,k in pairs(indicies16) do
eq(k, exec_lua("return vim.str_byteindex(_G.test_text, ..., true)", i), i)
end
local i32, i16 = 0, 0
for k = 0,48 do
if indicies32[i32] < k then
i32 = i32 + 1
end
if indicies16[i16] < k then
i16 = i16 + 1
if indicies16[i16+1] == indicies16[i16] then
i16 = i16 + 1
end
end
eq({i32, i16}, exec_lua("return {vim.str_utfindex(_G.test_text, ...)}", k), k)
end
end)
it("vim.schedule", function()
exec_lua([[
test_table = {}
vim.schedule(function()
table.insert(test_table, "xx")
end)
table.insert(test_table, "yy")
]])
eq({"yy","xx"}, exec_lua("return test_table"))
-- Validates args.
eq('Error executing lua: vim.schedule: expected function',
pcall_err(exec_lua, "vim.schedule('stringly')"))
eq('Error executing lua: vim.schedule: expected function',
pcall_err(exec_lua, "vim.schedule()"))
exec_lua([[
vim.schedule(function()
error("big failure\nvery async")
end)
]])
feed("<cr>")
eq('Error executing vim.schedule lua callback: [string "<nvim>"]:2: big failure\nvery async', eval("v:errmsg"))
local screen = Screen.new(60,5)
screen:set_default_attr_ids({
[1] = {bold = true, foreground = Screen.colors.Blue1},
[2] = {bold = true, reverse = true},
[3] = {foreground = Screen.colors.Grey100, background = Screen.colors.Red},
[4] = {bold = true, foreground = Screen.colors.SeaGreen4},
})
screen:attach()
screen:expect{grid=[[
^ |
{1:~ }|
{1:~ }|
{1:~ }|
|
]]}
-- nvim_command causes a vimL exception, check that it is properly caught
-- and propagated as an error message in async contexts.. #10809
exec_lua([[
vim.schedule(function()
vim.api.nvim_command(":echo 'err")
end)
]])
screen:expect{grid=[[
|
{2: }|
{3:Error executing vim.schedule lua callback: [string "<nvim>"]}|
{3::2: Vim(echo):E115: Missing quote: 'err} |
{4:Press ENTER or type command to continue}^ |
]]}
end)
it("vim.split", function()
local split = function(str, sep, plain)
return exec_lua('return vim.split(...)', str, sep, plain)
end
local tests = {
{ "a,b", ",", false, { 'a', 'b' } },
{ ":aa::bb:", ":", false, { '', 'aa', '', 'bb', '' } },
{ "::ee::ff:", ":", false, { '', '', 'ee', '', 'ff', '' } },
{ "ab", ".", false, { '', '', '' } },
{ "a1b2c", "[0-9]", false, { 'a', 'b', 'c' } },
{ "xy", "", false, { 'x', 'y' } },
{ "here be dragons", " ", false, { "here", "be", "dragons"} },
{ "axaby", "ab?", false, { '', 'x', 'y' } },
{ "f v2v v3v w2w ", "([vw])2%1", false, { 'f ', ' v3v ', ' ' } },
{ "", "", false, {} },
{ "", "a", false, { '' } },
{ "x*yz*oo*l", "*", true, { 'x', 'yz', 'oo', 'l' } },
}
for _, t in ipairs(tests) do
eq(t[4], split(t[1], t[2], t[3]))
end
local loops = {
{ "abc", ".-" },
}
for _, t in ipairs(loops) do
eq("Error executing lua: vim/shared.lua:0: Infinite loop detected", pcall_err(split, t[1], t[2]))
end
-- Validates args.
eq(true, pcall(split, 'string', 'string'))
eq(dedent([[
Error executing lua: vim/shared.lua:0: s: expected string, got number
stack traceback:
vim/shared.lua:0: in function 'gsplit'
vim/shared.lua:0: in function <vim/shared.lua:0>]]),
pcall_err(split, 1, 'string'))
eq(dedent([[
Error executing lua: vim/shared.lua:0: sep: expected string, got number
stack traceback:
vim/shared.lua:0: in function 'gsplit'
vim/shared.lua:0: in function <vim/shared.lua:0>]]),
pcall_err(split, 'string', 1))
eq(dedent([[
Error executing lua: vim/shared.lua:0: plain: expected boolean, got number
stack traceback:
vim/shared.lua:0: in function 'gsplit'
vim/shared.lua:0: in function <vim/shared.lua:0>]]),
pcall_err(split, 'string', 'string', 1))
end)
it('vim.trim', function()
local trim = function(s)
return exec_lua('return vim.trim(...)', s)
end
local trims = {
{ " a", "a" },
{ " b ", "b" },
{ "\tc" , "c" },
{ "r\n", "r" },
}
for _, t in ipairs(trims) do
assert(t[2], trim(t[1]))
end
-- Validates args.
eq(dedent([[
Error executing lua: vim/shared.lua:0: s: expected string, got number
stack traceback:
vim/shared.lua:0: in function <vim/shared.lua:0>]]),
pcall_err(trim, 2))
end)
it('vim.inspect', function()
-- just make sure it basically works, it has its own test suite
local inspect = function(t, opts)
return exec_lua('return vim.inspect(...)', t, opts)
end
eq('2', inspect(2))
eq('{+a = {+b = 1+}+}',
inspect({ a = { b = 1 } }, { newline = '+', indent = '' }))
-- special value vim.inspect.KEY works
eq('{ KEY_a = "x", KEY_b = "y"}', exec_lua([[
return vim.inspect({a="x", b="y"}, {newline = '', process = function(item, path)
if path[#path] == vim.inspect.KEY then
return 'KEY_'..item
end
return item
end})
]]))
end)
it("vim.deepcopy", function()
ok(exec_lua([[
local a = { x = { 1, 2 }, y = 5}
local b = vim.deepcopy(a)
return b.x[1] == 1 and b.x[2] == 2 and b.y == 5 and vim.tbl_count(b) == 2
and tostring(a) ~= tostring(b)
]]))
ok(exec_lua([[
local a = {}
local b = vim.deepcopy(a)
return vim.tbl_islist(b) and vim.tbl_count(b) == 0 and tostring(a) ~= tostring(b)
]]))
ok(exec_lua([[
local a = vim.empty_dict()
local b = vim.deepcopy(a)
return not vim.tbl_islist(b) and vim.tbl_count(b) == 0
]]))
ok(exec_lua([[
local a = {x = vim.empty_dict(), y = {}}
local b = vim.deepcopy(a)
return not vim.tbl_islist(b.x) and vim.tbl_islist(b.y)
and vim.tbl_count(b) == 2
and tostring(a) ~= tostring(b)
]]))
ok(exec_lua([[
local f1 = function() return 1 end
local f2 = function() return 2 end
local t1 = {f = f1}
local t2 = vim.deepcopy(t1)
t1.f = f2
return t1.f() ~= t2.f()
]]))
eq('Error executing lua: vim/shared.lua:0: Cannot deepcopy object of type thread',
pcall_err(exec_lua, [[
local thread = coroutine.create(function () return 0 end)
local t = {thr = thread}
vim.deepcopy(t)
]]))
end)
it('vim.pesc', function()
eq('foo%-bar', exec_lua([[return vim.pesc('foo-bar')]]))
eq('foo%%%-bar', exec_lua([[return vim.pesc(vim.pesc('foo-bar'))]]))
-- Validates args.
eq(dedent([[
Error executing lua: vim/shared.lua:0: s: expected string, got number
stack traceback:
vim/shared.lua:0: in function <vim/shared.lua:0>]]),
pcall_err(exec_lua, [[return vim.pesc(2)]]))
end)
it('vim.tbl_keys', function()
eq({}, exec_lua("return vim.tbl_keys({})"))
for _, v in pairs(exec_lua("return vim.tbl_keys({'a', 'b', 'c'})")) do
eq(true, exec_lua("return vim.tbl_contains({ 1, 2, 3 }, ...)", v))
end
for _, v in pairs(exec_lua("return vim.tbl_keys({a=1, b=2, c=3})")) do
eq(true, exec_lua("return vim.tbl_contains({ 'a', 'b', 'c' }, ...)", v))
end
end)
it('vim.tbl_values', function()
eq({}, exec_lua("return vim.tbl_values({})"))
for _, v in pairs(exec_lua("return vim.tbl_values({'a', 'b', 'c'})")) do
eq(true, exec_lua("return vim.tbl_contains({ 'a', 'b', 'c' }, ...)", v))
end
for _, v in pairs(exec_lua("return vim.tbl_values({a=1, b=2, c=3})")) do
eq(true, exec_lua("return vim.tbl_contains({ 1, 2, 3 }, ...)", v))
end
end)
it('vim.tbl_map', function()
eq({}, exec_lua([[
return vim.tbl_map(function(v) return v * 2 end, {})
]]))
eq({2, 4, 6}, exec_lua([[
return vim.tbl_map(function(v) return v * 2 end, {1, 2, 3})
]]))
eq({{i=2}, {i=4}, {i=6}}, exec_lua([[
return vim.tbl_map(function(v) return { i = v.i * 2 } end, {{i=1}, {i=2}, {i=3}})
]]))
end)
it('vim.tbl_filter', function()
eq({}, exec_lua([[
return vim.tbl_filter(function(v) return (v % 2) == 0 end, {})
]]))
eq({2}, exec_lua([[
return vim.tbl_filter(function(v) return (v % 2) == 0 end, {1, 2, 3})
]]))
eq({{i=2}}, exec_lua([[
return vim.tbl_filter(function(v) return (v.i % 2) == 0 end, {{i=1}, {i=2}, {i=3}})
]]))
end)
it('vim.tbl_islist', function()
eq(true, exec_lua("return vim.tbl_islist({})"))
eq(false, exec_lua("return vim.tbl_islist(vim.empty_dict())"))
eq(true, exec_lua("return vim.tbl_islist({'a', 'b', 'c'})"))
eq(false, exec_lua("return vim.tbl_islist({'a', '32', a='hello', b='baz'})"))
eq(false, exec_lua("return vim.tbl_islist({1, a='hello', b='baz'})"))
eq(false, exec_lua("return vim.tbl_islist({a='hello', b='baz', 1})"))
eq(false, exec_lua("return vim.tbl_islist({1, 2, nil, a='hello'})"))
end)
it('vim.tbl_isempty', function()
eq(true, exec_lua("return vim.tbl_isempty({})"))
eq(false, exec_lua("return vim.tbl_isempty({ 1, 2, 3 })"))
eq(false, exec_lua("return vim.tbl_isempty({a=1, b=2, c=3})"))
end)
it('vim.tbl_extend', function()
ok(exec_lua([[
local a = {x = 1}
local b = {y = 2}
local c = vim.tbl_extend("keep", a, b)
return c.x == 1 and b.y == 2 and vim.tbl_count(c) == 2
]]))
ok(exec_lua([[
local a = {x = 1}
local b = {y = 2}
local c = {z = 3}
local d = vim.tbl_extend("keep", a, b, c)
return d.x == 1 and d.y == 2 and d.z == 3 and vim.tbl_count(d) == 3
]]))
ok(exec_lua([[
local a = {x = 1}
local b = {x = 3}
local c = vim.tbl_extend("keep", a, b)
return c.x == 1 and vim.tbl_count(c) == 1
]]))
ok(exec_lua([[
local a = {x = 1}
local b = {x = 3}
local c = vim.tbl_extend("force", a, b)
return c.x == 3 and vim.tbl_count(c) == 1
]]))
ok(exec_lua([[
local a = vim.empty_dict()
local b = {}
local c = vim.tbl_extend("keep", a, b)
return not vim.tbl_islist(c) and vim.tbl_count(c) == 0
]]))
ok(exec_lua([[
local a = {}
local b = vim.empty_dict()
local c = vim.tbl_extend("keep", a, b)
return vim.tbl_islist(c) and vim.tbl_count(c) == 0
]]))
ok(exec_lua([[
local a = {x = {a = 1, b = 2}}
local b = {x = {a = 2, c = {y = 3}}}
local c = vim.tbl_extend("keep", a, b)
local count = 0
for _ in pairs(c) do count = count + 1 end
return c.x.a == 1 and c.x.b == 2 and c.x.c == nil and count == 1
]]))
eq('Error executing lua: vim/shared.lua:0: invalid "behavior": nil',
pcall_err(exec_lua, [[
return vim.tbl_extend()
]])
)
eq('Error executing lua: vim/shared.lua:0: wrong number of arguments (given 1, expected at least 3)',
pcall_err(exec_lua, [[
return vim.tbl_extend("keep")
]])
)
eq('Error executing lua: vim/shared.lua:0: wrong number of arguments (given 2, expected at least 3)',
pcall_err(exec_lua, [[
return vim.tbl_extend("keep", {})
]])
)
end)
it('vim.tbl_deep_extend', function()
ok(exec_lua([[
local a = {x = {a = 1, b = 2}}
local b = {x = {a = 2, c = {y = 3}}}
local c = vim.tbl_deep_extend("keep", a, b)
local count = 0
for _ in pairs(c) do count = count + 1 end
return c.x.a == 1 and c.x.b == 2 and c.x.c.y == 3 and count == 1
]]))
ok(exec_lua([[
local a = {x = {a = 1, b = 2}}
local b = {x = {a = 2, c = {y = 3}}}
local c = vim.tbl_deep_extend("force", a, b)
local count = 0
for _ in pairs(c) do count = count + 1 end
return c.x.a == 2 and c.x.b == 2 and c.x.c.y == 3 and count == 1
]]))
ok(exec_lua([[
local a = {x = {a = 1, b = 2}}
local b = {x = {a = 2, c = {y = 3}}}
local c = {x = {c = 4, d = {y = 4}}}
local d = vim.tbl_deep_extend("keep", a, b, c)
local count = 0
for _ in pairs(c) do count = count + 1 end
return d.x.a == 1 and d.x.b == 2 and d.x.c.y == 3 and d.x.d.y == 4 and count == 1
]]))
ok(exec_lua([[
local a = {x = {a = 1, b = 2}}
local b = {x = {a = 2, c = {y = 3}}}
local c = {x = {c = 4, d = {y = 4}}}
local d = vim.tbl_deep_extend("force", a, b, c)
local count = 0
for _ in pairs(c) do count = count + 1 end
return d.x.a == 2 and d.x.b == 2 and d.x.c == 4 and d.x.d.y == 4 and count == 1
]]))
ok(exec_lua([[
local a = vim.empty_dict()
local b = {}
local c = vim.tbl_deep_extend("keep", a, b)
local count = 0
for _ in pairs(c) do count = count + 1 end
return not vim.tbl_islist(c) and count == 0
]]))
ok(exec_lua([[
local a = {}
local b = vim.empty_dict()
local c = vim.tbl_deep_extend("keep", a, b)
local count = 0
for _ in pairs(c) do count = count + 1 end
return vim.tbl_islist(c) and count == 0
]]))
eq('Error executing lua: vim/shared.lua:0: invalid "behavior": nil',
pcall_err(exec_lua, [[
return vim.tbl_deep_extend()
]])
)
eq('Error executing lua: vim/shared.lua:0: wrong number of arguments (given 1, expected at least 3)',
pcall_err(exec_lua, [[
return vim.tbl_deep_extend("keep")
]])
)
eq('Error executing lua: vim/shared.lua:0: wrong number of arguments (given 2, expected at least 3)',
pcall_err(exec_lua, [[
return vim.tbl_deep_extend("keep", {})
]])
)
end)
it('vim.tbl_count', function()
eq(0, exec_lua [[ return vim.tbl_count({}) ]])
eq(0, exec_lua [[ return vim.tbl_count(vim.empty_dict()) ]])
eq(0, exec_lua [[ return vim.tbl_count({nil}) ]])
eq(0, exec_lua [[ return vim.tbl_count({a=nil}) ]])
eq(1, exec_lua [[ return vim.tbl_count({1}) ]])
eq(2, exec_lua [[ return vim.tbl_count({1, 2}) ]])
eq(2, exec_lua [[ return vim.tbl_count({1, nil, 3}) ]])
eq(1, exec_lua [[ return vim.tbl_count({a=1}) ]])
eq(2, exec_lua [[ return vim.tbl_count({a=1, b=2}) ]])
eq(2, exec_lua [[ return vim.tbl_count({a=1, b=nil, c=3}) ]])
end)
it('vim.deep_equal', function()
eq(true, exec_lua [[ return vim.deep_equal({a=1}, {a=1}) ]])
eq(true, exec_lua [[ return vim.deep_equal({a={b=1}}, {a={b=1}}) ]])
eq(true, exec_lua [[ return vim.deep_equal({a={b={nil}}}, {a={b={}}}) ]])
eq(true, exec_lua [[ return vim.deep_equal({a=1, [5]=5}, {nil,nil,nil,nil,5,a=1}) ]])
eq(false, exec_lua [[ return vim.deep_equal(1, {nil,nil,nil,nil,5,a=1}) ]])
eq(false, exec_lua [[ return vim.deep_equal(1, 3) ]])
eq(false, exec_lua [[ return vim.deep_equal(nil, 3) ]])
eq(false, exec_lua [[ return vim.deep_equal({a=1}, {a=2}) ]])
end)
it('vim.list_extend', function()
eq({1,2,3}, exec_lua [[ return vim.list_extend({1}, {2,3}) ]])
eq(dedent([[
Error executing lua: vim/shared.lua:0: src: expected table, got nil
stack traceback:
vim/shared.lua:0: in function <vim/shared.lua:0>]]),
pcall_err(exec_lua, [[ return vim.list_extend({1}, nil) ]]))
eq({1,2}, exec_lua [[ return vim.list_extend({1}, {2;a=1}) ]])
eq(true, exec_lua [[ local a = {1} return vim.list_extend(a, {2;a=1}) == a ]])
eq({2}, exec_lua [[ return vim.list_extend({}, {2;a=1}, 1) ]])
eq({}, exec_lua [[ return vim.list_extend({}, {2;a=1}, 2) ]])
eq({}, exec_lua [[ return vim.list_extend({}, {2;a=1}, 1, -1) ]])
eq({2}, exec_lua [[ return vim.list_extend({}, {2;a=1}, -1, 2) ]])
end)
it('vim.tbl_add_reverse_lookup', function()
eq(true, exec_lua [[
local a = { A = 1 }
vim.tbl_add_reverse_lookup(a)
return vim.deep_equal(a, { A = 1; [1] = 'A'; })
]])
-- Throw an error for trying to do it twice (run into an existing key)
local code = [[
local res = {}
local a = { A = 1 }
vim.tbl_add_reverse_lookup(a)
assert(vim.deep_equal(a, { A = 1; [1] = 'A'; }))
vim.tbl_add_reverse_lookup(a)
]]
matches('^Error executing lua: vim/shared%.lua:0: The reverse lookup found an existing value for "[1A]" while processing key "[1A]"$',
pcall_err(exec_lua, code))
end)
it('vim.call, vim.fn', function()
eq(true, exec_lua([[return vim.call('sin', 0.0) == 0.0 ]]))
eq(true, exec_lua([[return vim.fn.sin(0.0) == 0.0 ]]))
-- compat: nvim_call_function uses "special" value for vimL float
eq(false, exec_lua([[return vim.api.nvim_call_function('sin', {0.0}) == 0.0 ]]))
source([[
func! FooFunc(test)
let g:test = a:test
return {}
endfunc
func! VarArg(...)
return a:000
endfunc
func! Nilly()
return [v:null, v:null]
endfunc
]])
eq(true, exec_lua([[return next(vim.fn.FooFunc(3)) == nil ]]))
eq(3, eval("g:test"))
-- compat: nvim_call_function uses "special" value for empty dict
eq(true, exec_lua([[return next(vim.api.nvim_call_function("FooFunc", {5})) == true ]]))
eq(5, eval("g:test"))
eq({2, "foo", true}, exec_lua([[return vim.fn.VarArg(2, "foo", true)]]))
eq(true, exec_lua([[
local x = vim.fn.Nilly()
return #x == 2 and x[1] == vim.NIL and x[2] == vim.NIL
]]))
eq({NIL, NIL}, exec_lua([[return vim.fn.Nilly()]]))
-- error handling
eq({false, 'Vim:E714: List required'}, exec_lua([[return {pcall(vim.fn.add, "aa", "bb")}]]))
end)
it('vim.fn should error when calling API function', function()
eq('Error executing lua: vim.lua:0: Tried to call API function with vim.fn: use vim.api.nvim_get_current_line instead',
pcall_err(exec_lua, "vim.fn.nvim_get_current_line()"))
end)
it('vim.rpcrequest and vim.rpcnotify', function()
exec_lua([[
chan = vim.fn.jobstart({'cat'}, {rpc=true})
vim.rpcrequest(chan, 'nvim_set_current_line', 'meow')
]])
eq('meow', meths.get_current_line())
command("let x = [3, 'aa', v:true, v:null]")
eq(true, exec_lua([[
ret = vim.rpcrequest(chan, 'nvim_get_var', 'x')
return #ret == 4 and ret[1] == 3 and ret[2] == 'aa' and ret[3] == true and ret[4] == vim.NIL
]]))
eq({3, 'aa', true, NIL}, exec_lua([[return ret]]))
eq({{}, {}, false, true}, exec_lua([[
vim.rpcrequest(chan, 'nvim_exec', 'let xx = {}\nlet yy = []', false)
local dict = vim.rpcrequest(chan, 'nvim_eval', 'xx')
local list = vim.rpcrequest(chan, 'nvim_eval', 'yy')
return {dict, list, vim.tbl_islist(dict), vim.tbl_islist(list)}
]]))
exec_lua([[
vim.rpcrequest(chan, 'nvim_set_var', 'aa', {})
vim.rpcrequest(chan, 'nvim_set_var', 'bb', vim.empty_dict())
]])
eq({1, 1}, eval('[type(g:aa) == type([]), type(g:bb) == type({})]'))
-- error handling
eq({false, 'Invalid channel: 23'},
exec_lua([[return {pcall(vim.rpcrequest, 23, 'foo')}]]))
eq({false, 'Invalid channel: 23'},
exec_lua([[return {pcall(vim.rpcnotify, 23, 'foo')}]]))
eq({false, 'Vim:E121: Undefined variable: foobar'},
exec_lua([[return {pcall(vim.rpcrequest, chan, 'nvim_eval', "foobar")}]]))
-- rpcnotify doesn't wait on request
eq('meow', exec_lua([[
vim.rpcnotify(chan, 'nvim_set_current_line', 'foo')
return vim.api.nvim_get_current_line()
]]))
retry(10, nil, function()
eq('foo', meths.get_current_line())
end)
local screen = Screen.new(50,7)
screen:set_default_attr_ids({
[1] = {bold = true, foreground = Screen.colors.Blue1},
[2] = {bold = true, reverse = true},
[3] = {foreground = Screen.colors.Grey100, background = Screen.colors.Red},
[4] = {bold = true, foreground = Screen.colors.SeaGreen4},
})
screen:attach()
exec_lua([[
timer = vim.loop.new_timer()
timer:start(20, 0, function ()
-- notify ok (executed later when safe)
vim.rpcnotify(chan, 'nvim_set_var', 'yy', {3, vim.NIL})
-- rpcrequest an error
vim.rpcrequest(chan, 'nvim_set_current_line', 'bork')
end)
]])
screen:expect{grid=[[
foo |
{1:~ }|
{2: }|
{3:Error executing luv callback:} |
{3:[string "<nvim>"]:6: E5560: rpcrequest must not be}|
{3: called in a lua loop callback} |
{4:Press ENTER or type command to continue}^ |
]]}
feed('<cr>')
eq({3, NIL}, meths.get_var('yy'))
exec_lua([[timer:close()]])
end)
it('vim.empty_dict()', function()
eq({true, false, true, true}, exec_lua([[
vim.api.nvim_set_var('listy', {})
vim.api.nvim_set_var('dicty', vim.empty_dict())
local listy = vim.fn.eval("listy")
local dicty = vim.fn.eval("dicty")
return {vim.tbl_islist(listy), vim.tbl_islist(dicty), next(listy) == nil, next(dicty) == nil}
]]))
-- vim.empty_dict() gives new value each time
-- equality is not overriden (still by ref)
-- non-empty table uses the usual heuristics (ignores the tag)
eq({false, {"foo"}, {namey="bar"}}, exec_lua([[
local aa = vim.empty_dict()
local bb = vim.empty_dict()
local equally = (aa == bb)
aa[1] = "foo"
bb["namey"] = "bar"
return {equally, aa, bb}
]]))
eq("{ {}, vim.empty_dict() }", exec_lua("return vim.inspect({{}, vim.empty_dict()})"))
eq('{}', exec_lua([[ return vim.fn.json_encode(vim.empty_dict()) ]]))
eq('{"a": {}, "b": []}', exec_lua([[ return vim.fn.json_encode({a=vim.empty_dict(), b={}}) ]]))
end)
it('vim.validate', function()
exec_lua("vim.validate{arg1={{}, 'table' }}")
exec_lua("vim.validate{arg1={{}, 't' }}")
exec_lua("vim.validate{arg1={nil, 't', true }}")
exec_lua("vim.validate{arg1={{ foo='foo' }, 't' }}")
exec_lua("vim.validate{arg1={{ 'foo' }, 't' }}")
exec_lua("vim.validate{arg1={'foo', 'string' }}")
exec_lua("vim.validate{arg1={'foo', 's' }}")
exec_lua("vim.validate{arg1={'', 's' }}")
exec_lua("vim.validate{arg1={nil, 's', true }}")
exec_lua("vim.validate{arg1={1, 'number' }}")
exec_lua("vim.validate{arg1={1, 'n' }}")
exec_lua("vim.validate{arg1={0, 'n' }}")
exec_lua("vim.validate{arg1={0.1, 'n' }}")
exec_lua("vim.validate{arg1={nil, 'n', true }}")
exec_lua("vim.validate{arg1={true, 'boolean' }}")
exec_lua("vim.validate{arg1={true, 'b' }}")
exec_lua("vim.validate{arg1={false, 'b' }}")
exec_lua("vim.validate{arg1={nil, 'b', true }}")
exec_lua("vim.validate{arg1={function()end, 'function' }}")
exec_lua("vim.validate{arg1={function()end, 'f' }}")
exec_lua("vim.validate{arg1={nil, 'f', true }}")
exec_lua("vim.validate{arg1={nil, 'nil' }}")
exec_lua("vim.validate{arg1={nil, 'nil', true }}")
exec_lua("vim.validate{arg1={coroutine.create(function()end), 'thread' }}")
exec_lua("vim.validate{arg1={nil, 'thread', true }}")
exec_lua("vim.validate{arg1={{}, 't' }, arg2={ 'foo', 's' }}")
exec_lua("vim.validate{arg1={2, function(a) return (a % 2) == 0 end, 'even number' }}")
eq(dedent([[
Error executing lua: [string "<nvim>"]:0: opt[1]: expected table, got number
stack traceback:
[string "<nvim>"]:0: in main chunk]]),
pcall_err(exec_lua, "vim.validate{ 1, 'x' }"))
eq(dedent([[
Error executing lua: [string "<nvim>"]:0: invalid type name: x
stack traceback:
[string "<nvim>"]:0: in main chunk]]),
pcall_err(exec_lua, "vim.validate{ arg1={ 1, 'x' }}"))
eq(dedent([[
Error executing lua: [string "<nvim>"]:0: invalid type name: 1
stack traceback:
[string "<nvim>"]:0: in main chunk]]),
pcall_err(exec_lua, "vim.validate{ arg1={ 1, 1 }}"))
eq(dedent([[
Error executing lua: [string "<nvim>"]:0: invalid type name: nil
stack traceback:
[string "<nvim>"]:0: in main chunk]]),
pcall_err(exec_lua, "vim.validate{ arg1={ 1 }}"))
-- Validated parameters are required by default.
eq(dedent([[
Error executing lua: [string "<nvim>"]:0: arg1: expected string, got nil
stack traceback:
[string "<nvim>"]:0: in main chunk]]),
pcall_err(exec_lua, "vim.validate{ arg1={ nil, 's' }}"))
-- Explicitly required.
eq(dedent([[
Error executing lua: [string "<nvim>"]:0: arg1: expected string, got nil
stack traceback:
[string "<nvim>"]:0: in main chunk]]),
pcall_err(exec_lua, "vim.validate{ arg1={ nil, 's', false }}"))
eq(dedent([[
Error executing lua: [string "<nvim>"]:0: arg1: expected table, got number
stack traceback:
[string "<nvim>"]:0: in main chunk]]),
pcall_err(exec_lua, "vim.validate{arg1={1, 't'}}"))
eq(dedent([[
Error executing lua: [string "<nvim>"]:0: arg2: expected string, got number
stack traceback:
[string "<nvim>"]:0: in main chunk]]),
pcall_err(exec_lua, "vim.validate{arg1={{}, 't'}, arg2={1, 's'}}"))
eq(dedent([[
Error executing lua: [string "<nvim>"]:0: arg2: expected string, got nil
stack traceback:
[string "<nvim>"]:0: in main chunk]]),
pcall_err(exec_lua, "vim.validate{arg1={{}, 't'}, arg2={nil, 's'}}"))
eq(dedent([[
Error executing lua: [string "<nvim>"]:0: arg2: expected string, got nil
stack traceback:
[string "<nvim>"]:0: in main chunk]]),
pcall_err(exec_lua, "vim.validate{arg1={{}, 't'}, arg2={nil, 's'}}"))
eq(dedent([[
Error executing lua: [string "<nvim>"]:0: arg1: expected even number, got 3
stack traceback:
[string "<nvim>"]:0: in main chunk]]),
pcall_err(exec_lua, "vim.validate{arg1={3, function(a) return a == 1 end, 'even number'}}"))
eq(dedent([[
Error executing lua: [string "<nvim>"]:0: arg1: expected ?, got 3
stack traceback:
[string "<nvim>"]:0: in main chunk]]),
pcall_err(exec_lua, "vim.validate{arg1={3, function(a) return a == 1 end}}"))
-- Pass an additional message back.
eq(dedent([[
Error executing lua: [string "<nvim>"]:0: arg1: expected ?, got 3. Info: TEST_MSG
stack traceback:
[string "<nvim>"]:0: in main chunk]]),
pcall_err(exec_lua, "vim.validate{arg1={3, function(a) return a == 1, 'TEST_MSG' end}}"))
end)
it('vim.is_callable', function()
eq(true, exec_lua("return vim.is_callable(function()end)"))
eq(true, exec_lua([[
local meta = { __call = function()end }
local function new_callable()
return setmetatable({}, meta)
end
local callable = new_callable()
return vim.is_callable(callable)
]]))
eq(false, exec_lua("return vim.is_callable(1)"))
eq(false, exec_lua("return vim.is_callable('foo')"))
eq(false, exec_lua("return vim.is_callable({})"))
end)
it('vim.g', function()
exec_lua [[
vim.api.nvim_set_var("testing", "hi")
vim.api.nvim_set_var("other", 123)
vim.api.nvim_set_var("floaty", 5120.1)
vim.api.nvim_set_var("nullvar", vim.NIL)
vim.api.nvim_set_var("to_delete", {hello="world"})
]]
eq('hi', funcs.luaeval "vim.g.testing")
eq(123, funcs.luaeval "vim.g.other")
eq(5120.1, funcs.luaeval "vim.g.floaty")
eq(NIL, funcs.luaeval "vim.g.nonexistant")
eq(NIL, funcs.luaeval "vim.g.nullvar")
-- lost over RPC, so test locally:
eq({false, true}, exec_lua [[
return {vim.g.nonexistant == vim.NIL, vim.g.nullvar == vim.NIL}
]])
eq({hello="world"}, funcs.luaeval "vim.g.to_delete")
exec_lua [[
vim.g.to_delete = nil
]]
eq(NIL, funcs.luaeval "vim.g.to_delete")
end)
it('vim.b', function()
exec_lua [[
vim.api.nvim_buf_set_var(0, "testing", "hi")
vim.api.nvim_buf_set_var(0, "other", 123)
vim.api.nvim_buf_set_var(0, "floaty", 5120.1)
vim.api.nvim_buf_set_var(0, "nullvar", vim.NIL)
vim.api.nvim_buf_set_var(0, "to_delete", {hello="world"})
]]
eq('hi', funcs.luaeval "vim.b.testing")
eq(123, funcs.luaeval "vim.b.other")
eq(5120.1, funcs.luaeval "vim.b.floaty")
eq(NIL, funcs.luaeval "vim.b.nonexistant")
eq(NIL, funcs.luaeval "vim.b.nullvar")
-- lost over RPC, so test locally:
eq({false, true}, exec_lua [[
return {vim.b.nonexistant == vim.NIL, vim.b.nullvar == vim.NIL}
]])
eq({hello="world"}, funcs.luaeval "vim.b.to_delete")
exec_lua [[
vim.b.to_delete = nil
]]
eq(NIL, funcs.luaeval "vim.b.to_delete")
exec_lua [[
vim.cmd "vnew"
]]
eq(NIL, funcs.luaeval "vim.b.testing")
eq(NIL, funcs.luaeval "vim.b.other")
eq(NIL, funcs.luaeval "vim.b.nonexistant")
end)
it('vim.w', function()
exec_lua [[
vim.api.nvim_win_set_var(0, "testing", "hi")
vim.api.nvim_win_set_var(0, "other", 123)
vim.api.nvim_win_set_var(0, "to_delete", {hello="world"})
]]
eq('hi', funcs.luaeval "vim.w.testing")
eq(123, funcs.luaeval "vim.w.other")
eq(NIL, funcs.luaeval "vim.w.nonexistant")
eq({hello="world"}, funcs.luaeval "vim.w.to_delete")
exec_lua [[
vim.w.to_delete = nil
]]
eq(NIL, funcs.luaeval "vim.w.to_delete")
exec_lua [[
vim.cmd "vnew"
]]
eq(NIL, funcs.luaeval "vim.w.testing")
eq(NIL, funcs.luaeval "vim.w.other")
eq(NIL, funcs.luaeval "vim.w.nonexistant")
end)
it('vim.t', function()
exec_lua [[
vim.api.nvim_tabpage_set_var(0, "testing", "hi")
vim.api.nvim_tabpage_set_var(0, "other", 123)
vim.api.nvim_tabpage_set_var(0, "to_delete", {hello="world"})
]]
eq('hi', funcs.luaeval "vim.t.testing")
eq(123, funcs.luaeval "vim.t.other")
eq(NIL, funcs.luaeval "vim.t.nonexistant")
eq({hello="world"}, funcs.luaeval "vim.t.to_delete")
exec_lua [[
vim.t.to_delete = nil
]]
eq(NIL, funcs.luaeval "vim.t.to_delete")
exec_lua [[
vim.cmd "tabnew"
]]
eq(NIL, funcs.luaeval "vim.t.testing")
eq(NIL, funcs.luaeval "vim.t.other")
eq(NIL, funcs.luaeval "vim.t.nonexistant")
end)
it('vim.env', function()
exec_lua [[
vim.fn.setenv("A", 123)
]]
eq('123', funcs.luaeval "vim.env.A")
eq(true, funcs.luaeval "vim.env.B == nil")
end)
it('vim.v', function()
eq(funcs.luaeval "vim.api.nvim_get_vvar('progpath')", funcs.luaeval "vim.v.progpath")
eq(false, funcs.luaeval "vim.v['false']")
eq(NIL, funcs.luaeval "vim.v.null")
end)
it('vim.bo', function()
eq('', funcs.luaeval "vim.bo.filetype")
exec_lua [[
vim.api.nvim_buf_set_option(0, "filetype", "markdown")
BUF = vim.api.nvim_create_buf(false, true)
vim.api.nvim_buf_set_option(BUF, "modifiable", false)
]]
eq(false, funcs.luaeval "vim.bo.modified")
eq('markdown', funcs.luaeval "vim.bo.filetype")
eq(false, funcs.luaeval "vim.bo[BUF].modifiable")
exec_lua [[
vim.bo.filetype = ''
vim.bo[BUF].modifiable = true
]]
eq('', funcs.luaeval "vim.bo.filetype")
eq(true, funcs.luaeval "vim.bo[BUF].modifiable")
matches("^Error executing lua: .*: Invalid option name: 'nosuchopt'$",
pcall_err(exec_lua, 'return vim.bo.nosuchopt'))
matches("^Error executing lua: .*: Expected lua string$",
pcall_err(exec_lua, 'return vim.bo[0][0].autoread'))
end)
it('vim.wo', function()
exec_lua [[
vim.api.nvim_win_set_option(0, "cole", 2)
vim.cmd "split"
vim.api.nvim_win_set_option(0, "cole", 2)
]]
eq(2, funcs.luaeval "vim.wo.cole")
exec_lua [[
vim.wo.conceallevel = 0
]]
eq(0, funcs.luaeval "vim.wo.cole")
eq(0, funcs.luaeval "vim.wo[0].cole")
eq(0, funcs.luaeval "vim.wo[1001].cole")
matches("^Error executing lua: .*: Invalid option name: 'notanopt'$",
pcall_err(exec_lua, 'return vim.wo.notanopt'))
matches("^Error executing lua: .*: Expected lua string$",
pcall_err(exec_lua, 'return vim.wo[0][0].list'))
eq(2, funcs.luaeval "vim.wo[1000].cole")
exec_lua [[
vim.wo[1000].cole = 0
]]
eq(0, funcs.luaeval "vim.wo[1000].cole")
end)
describe('vim.opt', function()
-- TODO: We still need to write some tests for optlocal, opt and then getting the options
-- Probably could also do some stuff with getting things from viml side as well to confirm behavior is the same.
it('should allow setting number values', function()
local scrolloff = exec_lua [[
vim.opt.scrolloff = 10
return vim.o.scrolloff
]]
eq(scrolloff, 10)
end)
pending('should handle STUPID window things', function()
local result = exec_lua [[
local result = {}
table.insert(result, vim.api.nvim_get_option('scrolloff'))
table.insert(result, vim.api.nvim_win_get_option(0, 'scrolloff'))
return result
]]
eq({}, result)
end)
it('should allow setting tables', function()
local wildignore = exec_lua [[
vim.opt.wildignore = { 'hello', 'world' }
return vim.o.wildignore
]]
eq(wildignore, "hello,world")
end)
it('should allow setting tables with shortnames', function()
local wildignore = exec_lua [[
vim.opt.wig = { 'hello', 'world' }
return vim.o.wildignore
]]
eq(wildignore, "hello,world")
end)
it('should error when you attempt to set string values to numeric options', function()
local result = exec_lua [[
return {
pcall(function() vim.opt.textwidth = 'hello world' end)
}
]]
eq(false, result[1])
end)
it('should error when you attempt to setlocal a global value', function()
local result = exec_lua [[
return pcall(function() vim.opt_local.clipboard = "hello" end)
]]
eq(false, result)
end)
it('should allow you to set boolean values', function()
eq({true, false, true}, exec_lua [[
local results = {}
vim.opt.autoindent = true
table.insert(results, vim.bo.autoindent)
vim.opt.autoindent = false
table.insert(results, vim.bo.autoindent)
vim.opt.autoindent = not vim.opt.autoindent:get()
table.insert(results, vim.bo.autoindent)
return results
]])
end)
it('should change current buffer values and defaults for global local values', function()
local result = exec_lua [[
local result = {}
vim.opt.makeprg = "global-local"
table.insert(result, vim.api.nvim_get_option('makeprg'))
table.insert(result, (pcall(vim.api.nvim_buf_get_option, 0, 'makeprg')))
vim.opt_local.mp = "only-local"
table.insert(result, vim.api.nvim_get_option('makeprg'))
table.insert(result, vim.api.nvim_buf_get_option(0, 'makeprg'))
vim.opt_global.makeprg = "only-global"
table.insert(result, vim.api.nvim_get_option('makeprg'))
table.insert(result, vim.api.nvim_buf_get_option(0, 'makeprg'))
vim.opt.makeprg = "global-local"
table.insert(result, vim.api.nvim_get_option('makeprg'))
table.insert(result, vim.api.nvim_buf_get_option(0, 'makeprg'))
return result
]]
-- Set -> global & local
eq("global-local", result[1])
eq(false, result[2])
-- Setlocal -> only local
eq("global-local", result[3])
eq("only-local", result[4])
-- Setglobal -> only global
eq("only-global", result[5])
eq("only-local", result[6])
-- set -> doesn't override previously set value
eq("global-local", result[7])
eq("only-local", result[8])
end)
it('should allow all sorts of string manipulation', function()
eq({'hello', 'hello world', 'start hello world'}, exec_lua [[
local results = {}
vim.opt.makeprg = "hello"
table.insert(results, vim.o.makeprg)
vim.opt.makeprg = vim.opt.makeprg + " world"
table.insert(results, vim.o.makeprg)
vim.opt.makeprg = vim.opt.makeprg ^ "start "
table.insert(results, vim.o.makeprg)
return results
]])
end)
describe('option:get()', function()
it('should work for boolean values', function()
eq(false, exec_lua [[
vim.opt.number = false
return vim.opt.number:get()
]])
end)
it('should work for number values', function()
local tabstop = exec_lua[[
vim.opt.tabstop = 10
return vim.opt.tabstop:get()
]]
eq(10, tabstop)
end)
it('should work for string values', function()
eq("hello world", exec_lua [[
vim.opt.makeprg = "hello world"
return vim.opt.makeprg:get()
]])
end)
it('should work for set type flaglists', function()
local formatoptions = exec_lua [[
vim.opt.formatoptions = 'tcro'
return vim.opt.formatoptions:get()
]]
eq(true, formatoptions.t)
eq(true, not formatoptions.q)
end)
it('should work for set type flaglists', function()
local formatoptions = exec_lua [[
vim.opt.formatoptions = { t = true, c = true, r = true, o = true }
return vim.opt.formatoptions:get()
]]
eq(true, formatoptions.t)
eq(true, not formatoptions.q)
end)
it('should work for array list type options', function()
local wildignore = exec_lua [[
vim.opt.wildignore = "*.c,*.o,__pycache__"
return vim.opt.wildignore:get()
]]
eq(3, #wildignore)
eq("*.c", wildignore[1])
end)
it('should work for key-value pair options', function()
local listchars = exec_lua [[
vim.opt.listchars = "tab:>~,space:_"
return vim.opt.listchars:get()
]]
eq({
tab = ">~",
space = "_",
}, listchars)
end)
it('should allow you to add numeric options', function()
eq(16, exec_lua [[
vim.opt.tabstop = 12
vim.opt.tabstop = vim.opt.tabstop + 4
return vim.bo.tabstop
]])
end)
it('should allow you to subtract numeric options', function()
eq(2, exec_lua [[
vim.opt.tabstop = 4
vim.opt.tabstop = vim.opt.tabstop - 2
return vim.bo.tabstop
]])
end)
end)
describe('key:value style options', function()
it('should handle dictionary style', function()
local listchars = exec_lua [[
vim.opt.listchars = {
eol = "~",
space = ".",
}
return vim.o.listchars
]]
eq("eol:~,space:.", listchars)
end)
it('should allow adding dictionary style', function()
local listchars = exec_lua [[
vim.opt.listchars = {
eol = "~",
space = ".",
}
vim.opt.listchars = vim.opt.listchars + { space = "-" }
return vim.o.listchars
]]
eq("eol:~,space:-", listchars)
end)
it('should allow adding dictionary style', function()
local listchars = exec_lua [[
vim.opt.listchars = {
eol = "~",
space = ".",
}
vim.opt.listchars = vim.opt.listchars + { space = "-" } + { space = "_" }
return vim.o.listchars
]]
eq("eol:~,space:_", listchars)
end)
it('should allow completely new keys', function()
local listchars = exec_lua [[
vim.opt.listchars = {
eol = "~",
space = ".",
}
vim.opt.listchars = vim.opt.listchars + { tab = ">>>" }
return vim.o.listchars
]]
eq("eol:~,space:.,tab:>>>", listchars)
end)
it('should allow subtracting dictionary style', function()
local listchars = exec_lua [[
vim.opt.listchars = {
eol = "~",
space = ".",
}
vim.opt.listchars = vim.opt.listchars - "space"
return vim.o.listchars
]]
eq("eol:~", listchars)
end)
it('should allow subtracting dictionary style', function()
local listchars = exec_lua [[
vim.opt.listchars = {
eol = "~",
space = ".",
}
vim.opt.listchars = vim.opt.listchars - "space" - "eol"
return vim.o.listchars
]]
eq("", listchars)
end)
it('should allow subtracting dictionary style multiple times', function()
local listchars = exec_lua [[
vim.opt.listchars = {
eol = "~",
space = ".",
}
vim.opt.listchars = vim.opt.listchars - "space" - "space"
return vim.o.listchars
]]
eq("eol:~", listchars)
end)
it('should allow adding a key:value string to a listchars', function()
local listchars = exec_lua [[
vim.opt.listchars = {
eol = "~",
space = ".",
}
vim.opt.listchars = vim.opt.listchars + "tab:>~"
return vim.o.listchars
]]
eq("eol:~,space:.,tab:>~", listchars)
end)
it('should allow prepending a key:value string to a listchars', function()
local listchars = exec_lua [[
vim.opt.listchars = {
eol = "~",
space = ".",
}
vim.opt.listchars = vim.opt.listchars ^ "tab:>~"
return vim.o.listchars
]]
eq("eol:~,space:.,tab:>~", listchars)
end)
end)
it('should automatically set when calling remove', function()
eq("foo,baz", exec_lua [[
vim.opt.wildignore = "foo,bar,baz"
vim.opt.wildignore:remove("bar")
return vim.o.wildignore
]])
end)
it('should automatically set when calling remove with a table', function()
eq("foo", exec_lua [[
vim.opt.wildignore = "foo,bar,baz"
vim.opt.wildignore:remove { "bar", "baz" }
return vim.o.wildignore
]])
end)
it('should automatically set when calling append', function()
eq("foo,bar,baz,bing", exec_lua [[
vim.opt.wildignore = "foo,bar,baz"
vim.opt.wildignore:append("bing")
return vim.o.wildignore
]])
end)
it('should automatically set when calling append with a table', function()
eq("foo,bar,baz,bing,zap", exec_lua [[
vim.opt.wildignore = "foo,bar,baz"
vim.opt.wildignore:append { "bing", "zap" }
return vim.o.wildignore
]])
end)
it('should allow adding tables', function()
local wildignore = exec_lua [[
vim.opt.wildignore = 'foo'
return vim.o.wildignore
]]
eq(wildignore, 'foo')
wildignore = exec_lua [[
vim.opt.wildignore = vim.opt.wildignore + { 'bar', 'baz' }
return vim.o.wildignore
]]
eq(wildignore, 'foo,bar,baz')
end)
it('should handle adding duplicates', function()
local wildignore = exec_lua [[
vim.opt.wildignore = 'foo'
return vim.o.wildignore
]]
eq(wildignore, 'foo')
wildignore = exec_lua [[
vim.opt.wildignore = vim.opt.wildignore + { 'bar', 'baz' }
return vim.o.wildignore
]]
eq(wildignore, 'foo,bar,baz')
wildignore = exec_lua [[
vim.opt.wildignore = vim.opt.wildignore + { 'bar', 'baz' }
return vim.o.wildignore
]]
eq(wildignore, 'foo,bar,baz')
end)
it('should allow adding multiple times', function()
local wildignore = exec_lua [[
vim.opt.wildignore = 'foo'
vim.opt.wildignore = vim.opt.wildignore + 'bar' + 'baz'
return vim.o.wildignore
]]
eq(wildignore, 'foo,bar,baz')
end)
it('should remove values when you use minus', function()
local wildignore = exec_lua [[
vim.opt.wildignore = 'foo'
return vim.o.wildignore
]]
eq(wildignore, 'foo')
wildignore = exec_lua [[
vim.opt.wildignore = vim.opt.wildignore + { 'bar', 'baz' }
return vim.o.wildignore
]]
eq(wildignore, 'foo,bar,baz')
wildignore = exec_lua [[
vim.opt.wildignore = vim.opt.wildignore - 'bar'
return vim.o.wildignore
]]
eq(wildignore, 'foo,baz')
end)
it('should prepend values when using ^', function()
local wildignore = exec_lua [[
vim.opt.wildignore = 'foo'
vim.opt.wildignore = vim.opt.wildignore ^ 'first'
return vim.o.wildignore
]]
eq('first,foo', wildignore)
wildignore = exec_lua [[
vim.opt.wildignore = vim.opt.wildignore ^ 'super_first'
return vim.o.wildignore
]]
eq(wildignore, 'super_first,first,foo')
end)
end)
it('vim.cmd', function()
exec_lua [[
vim.cmd "autocmd BufNew * ++once lua BUF = vim.fn.expand('<abuf>')"
vim.cmd "new"
]]
eq('2', funcs.luaeval "BUF")
eq(2, funcs.luaeval "#vim.api.nvim_list_bufs()")
end)
it('vim.regex', function()
exec_lua [[
re1 = vim.regex"ab\\+c"
vim.cmd "set nomagic ignorecase"
re2 = vim.regex"xYz"
]]
eq({}, exec_lua[[return {re1:match_str("x ac")}]])
eq({3,7}, exec_lua[[return {re1:match_str("ac abbc")}]])
meths.buf_set_lines(0, 0, -1, true, {"yy", "abc abbc"})
eq({}, exec_lua[[return {re1:match_line(0, 0)}]])
eq({0,3}, exec_lua[[return {re1:match_line(0, 1)}]])
eq({3,7}, exec_lua[[return {re1:match_line(0, 1, 1)}]])
eq({3,7}, exec_lua[[return {re1:match_line(0, 1, 1, 8)}]])
eq({}, exec_lua[[return {re1:match_line(0, 1, 1, 7)}]])
eq({0,3}, exec_lua[[return {re1:match_line(0, 1, 0, 7)}]])
end)
it('vim.defer_fn', function()
eq(false, exec_lua [[
vim.g.test = false
vim.defer_fn(function() vim.g.test = true end, 150)
return vim.g.test
]])
exec_lua [[vim.wait(1000, function() return vim.g.test end)]]
eq(true, exec_lua[[return vim.g.test]])
end)
it('vim.region', function()
helpers.insert(helpers.dedent( [[
text tααt tααt text
text tαxt txtα tex
text tαxt tαxt
]]))
eq({5,15}, exec_lua[[ return vim.region(0,{1,5},{1,14},'v',true)[1] ]])
end)
describe('vim.execute_on_keystroke', function()
it('should keep track of keystrokes', function()
helpers.insert([[hello world ]])
exec_lua [[
KeysPressed = {}
vim.register_keystroke_callback(function(buf)
if buf:byte() == 27 then
buf = "<ESC>"
end
table.insert(KeysPressed, buf)
end)
]]
helpers.insert([[next 🤦 lines å ]])
-- It has escape in the keys pressed
eq('inext 🤦 lines å <ESC>', exec_lua [[return table.concat(KeysPressed, '')]])
end)
it('should allow removing trackers.', function()
helpers.insert([[hello world]])
exec_lua [[
KeysPressed = {}
return vim.register_keystroke_callback(function(buf)
if buf:byte() == 27 then
buf = "<ESC>"
end
table.insert(KeysPressed, buf)
end, vim.api.nvim_create_namespace("logger"))
]]
helpers.insert([[next lines]])
exec_lua("vim.register_keystroke_callback(nil, vim.api.nvim_create_namespace('logger'))")
helpers.insert([[more lines]])
-- It has escape in the keys pressed
eq('inext lines<ESC>', exec_lua [[return table.concat(KeysPressed, '')]])
end)
it('should not call functions that error again.', function()
helpers.insert([[hello world]])
exec_lua [[
KeysPressed = {}
return vim.register_keystroke_callback(function(buf)
if buf:byte() == 27 then
buf = "<ESC>"
end
table.insert(KeysPressed, buf)
if buf == 'l' then
error("Dumb Error")
end
end)
]]
helpers.insert([[next lines]])
helpers.insert([[more lines]])
-- Only the first letter gets added. After that we remove the callback
eq('inext l', exec_lua [[ return table.concat(KeysPressed, '') ]])
end)
it('should process mapped keys, not unmapped keys', function()
exec_lua [[
KeysPressed = {}
vim.cmd("inoremap hello world")
vim.register_keystroke_callback(function(buf)
if buf:byte() == 27 then
buf = "<ESC>"
end
table.insert(KeysPressed, buf)
end)
]]
helpers.insert("hello")
local next_status = exec_lua [[
return table.concat(KeysPressed, '')
]]
eq("iworld<ESC>", next_status)
end)
end)
describe('vim.wait', function()
before_each(function()
exec_lua[[
-- high precision timer
get_time = function()
return vim.fn.reltimefloat(vim.fn.reltime())
end
]]
end)
it('should run from lua', function()
exec_lua[[vim.wait(100, function() return true end)]]
end)
it('should wait the expected time if false', function()
eq({time = true, wait_result = {false, -1}}, exec_lua[[
start_time = get_time()
wait_succeed, wait_fail_val = vim.wait(200, function() return false end)
return {
-- 150ms waiting or more results in true. Flaky tests are bad.
time = (start_time + 0.15) < get_time(),
wait_result = {wait_succeed, wait_fail_val}
}
]])
end)
it('should not block other events', function()
eq({time = true, wait_result = true}, exec_lua[[
start_time = get_time()
vim.g.timer_result = false
timer = vim.loop.new_timer()
timer:start(100, 0, vim.schedule_wrap(function()
vim.g.timer_result = true
end))
-- Would wait ten seconds if results blocked.
wait_result = vim.wait(10000, function() return vim.g.timer_result end)
return {
time = (start_time + 5) > get_time(),
wait_result = wait_result,
}
]])
end)
it('should not process non-fast events when commanded', function()
eq({wait_result = false}, exec_lua[[
start_time = get_time()
vim.g.timer_result = false
timer = vim.loop.new_timer()
timer:start(100, 0, vim.schedule_wrap(function()
vim.g.timer_result = true
end))
wait_result = vim.wait(300, function() return vim.g.timer_result end, nil, true)
return {
wait_result = wait_result,
}
]])
end)
it('should work with vim.defer_fn', function()
eq({time = true, wait_result = true}, exec_lua[[
start_time = get_time()
vim.defer_fn(function() vim.g.timer_result = true end, 100)
wait_result = vim.wait(10000, function() return vim.g.timer_result end)
return {
time = (start_time + 5) > get_time(),
wait_result = wait_result,
}
]])
end)
it('should not crash when callback errors', function()
eq({false, '[string "<nvim>"]:1: As Expected'}, exec_lua [[
return {pcall(function() vim.wait(1000, function() error("As Expected") end) end)}
]])
end)
it('if callback is passed, it must be a function', function()
eq({false, 'vim.wait: if passed, condition must be a function'}, exec_lua [[
return {pcall(function() vim.wait(1000, 13) end)}
]])
end)
it('should allow waiting with no callback, explicit', function()
eq(true, exec_lua [[
local start_time = vim.loop.hrtime()
vim.wait(50, nil)
return vim.loop.hrtime() - start_time > 25000
]])
end)
it('should allow waiting with no callback, implicit', function()
eq(true, exec_lua [[
local start_time = vim.loop.hrtime()
vim.wait(50)
return vim.loop.hrtime() - start_time > 25000
]])
end)
it('should call callbacks exactly once if they return true immediately', function()
eq(true, exec_lua [[
vim.g.wait_count = 0
vim.wait(1000, function()
vim.g.wait_count = vim.g.wait_count + 1
return true
end, 20)
return vim.g.wait_count == 1
]])
end)
it('should call callbacks few times with large `interval`', function()
eq(true, exec_lua [[
vim.g.wait_count = 0
vim.wait(50, function() vim.g.wait_count = vim.g.wait_count + 1 end, 200)
return vim.g.wait_count < 5
]])
end)
it('should play nice with `not` when fails', function()
eq(true, exec_lua [[
if not vim.wait(50, function() end) then
return true
end
return false
]])
end)
it('should play nice with `if` when success', function()
eq(true, exec_lua [[
if vim.wait(50, function() return true end) then
return true
end
return false
]])
end)
it('should return immediately with false if timeout is 0', function()
eq({false, -1}, exec_lua [[
return {
vim.wait(0, function() return false end)
}
]])
end)
it('should work with tables with __call', function()
eq(true, exec_lua [[
local t = setmetatable({}, {__call = function(...) return true end})
return vim.wait(100, t, 10)
]])
end)
it('should work with tables with __call that change', function()
eq(true, exec_lua [[
local t = {count = 0}
setmetatable(t, {
__call = function()
t.count = t.count + 1
return t.count > 3
end
})
return vim.wait(1000, t, 10)
]])
end)
it('should not work with negative intervals', function()
local pcall_result = exec_lua [[
return pcall(function() vim.wait(1000, function() return false end, -1) end)
]]
eq(false, pcall_result)
end)
it('should not work with weird intervals', function()
local pcall_result = exec_lua [[
return pcall(function() vim.wait(1000, function() return false end, 'a string value') end)
]]
eq(false, pcall_result)
end)
end)
describe('vim.api.nvim_buf_call', function()
it('can access buf options', function()
local buf1 = meths.get_current_buf()
local buf2 = exec_lua [[
buf2 = vim.api.nvim_create_buf(false, true)
return buf2
]]
eq(false, meths.buf_get_option(buf1, 'autoindent'))
eq(false, meths.buf_get_option(buf2, 'autoindent'))
local val = exec_lua [[
return vim.api.nvim_buf_call(buf2, function()
vim.cmd "set autoindent"
return vim.api.nvim_get_current_buf()
end)
]]
eq(false, meths.buf_get_option(buf1, 'autoindent'))
eq(true, meths.buf_get_option(buf2, 'autoindent'))
eq(buf1, meths.get_current_buf())
eq(buf2, val)
end)
end)
describe('vim.api.nvim_win_call', function()
it('can access window options', function()
command('vsplit')
local win1 = meths.get_current_win()
command('wincmd w')
local win2 = exec_lua [[
win2 = vim.api.nvim_get_current_win()
return win2
]]
command('wincmd p')
eq('', meths.win_get_option(win1, 'winhighlight'))
eq('', meths.win_get_option(win2, 'winhighlight'))
local val = exec_lua [[
return vim.api.nvim_win_call(win2, function()
vim.cmd "setlocal winhighlight=Normal:Normal"
return vim.api.nvim_get_current_win()
end)
]]
eq('', meths.win_get_option(win1, 'winhighlight'))
eq('Normal:Normal', meths.win_get_option(win2, 'winhighlight'))
eq(win1, meths.get_current_win())
eq(win2, val)
end)
end)
end)
describe('lua: require("mod") from packages', function()
before_each(function()
command('set rtp+=test/functional/fixtures')
end)
it('propagates syntax error', function()
local syntax_error_msg = exec_lua [[
local _, err = pcall(require, "syntax_error")
return err
]]
matches("unexpected symbol", syntax_error_msg)
end)
end)