Files
neovim/test/functional/lua/utility_functions_spec.lua
Justin M. Keyes 6c02ff4747 lua/stdlib: Load runtime modules on-demand
Instead of eager-loading during plugin/* sourcing, define runtime
modules such as `vim.inspect` as lazy builtins. Otherwise non-builtin
Lua modules such as `vim.inspect` would not be available during startup
(init.vim, `-c`, `--cmd`, …).

ref #6580
ref #8677
2019-01-14 02:22:16 +01:00

199 lines
7.1 KiB
Lua

-- Test suite for testing interactions with API bindings
local helpers = require('test.functional.helpers')(after_each)
local funcs = helpers.funcs
local meths = helpers.meths
local clear = helpers.clear
local eq = helpers.eq
local command = helpers.command
before_each(clear)
describe('vim.stricmp', 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('works', 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)
end)
describe("vim.split", function()
it("works", function()
local split = function(str, sep)
return meths.execute_lua('return vim.split(...)', {str, sep})
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 ', ' ' } },
{ "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
local status, err = pcall(split, t[1], t[2])
eq(false, status)
assert(string.match(err, "Infinite loop detected"))
end
end)
end)
describe("vim.trim", function()
it('works', function()
local trim = function(s)
return meths.execute_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
local status, err = pcall(trim, 2)
eq(false, status)
assert(string.match(err, "Only strings can be trimmed"))
end)
end)
describe("vim.inspect", function()
it('works', function()
-- just make sure it basically works, it has its own test suite
local inspect = function(t, opts)
return meths.execute_lua('return vim.inspect(...)', { t, opts })
end
eq('2', inspect(2))
eq('{+a = {+b = 1+}+}',
inspect({ a = { b = 1 } }, { newline = '+', indent = '' }))
end)
end)
describe("vim.deepcopy", function()
it("works", function()
local is_dc = meths.execute_lua([[
local a = { x = { 1, 2 }, y = 5}
local b = vim.deepcopy(a)
local count = 0
for _ in pairs(b) do count = count + 1 end
return b.x[1] == 1 and b.x[2] == 2 and b.y == 5 and count == 2
and tostring(a) ~= tostring(b)
]], {})
assert(is_dc)
end)
end)