Files
neovim/test/benchmark/trim_spec.lua
Justin M. Keyes 6d8c8b18d5 test(harness): migrate away from magic globals
Problem:
The magic globals `it`, `describe`, etc., are more trouble than they are
worth.

- Hooking into `after_each` requires `getfenv()` hacks.
- They confuse luals/emmylua, because the top-level `.luarc.json` isn't
  merged with `test/.luarc.json` (apparently a luals limitation?)
- They totally defeat discoverability because the user just has to
  "know" about the various magic symbols.

So they harm DX, which means they serve no purpose at all.

Solution:
- Expose the test API from `testutil`, so tests can call `t.it()`,
  `t.describe()`, etc., in the conventional way.
- Drop `getfenv()` hacks.
- Drop the `setfenv()` injection in `load_chunk`.
- Drop `test/_meta.lua`.
2026-07-21 13:22:39 +02:00

35 lines
1.1 KiB
Lua

local t = require('test.testutil')
local describe, it = t.describe, t.it
describe('vim.trim()', function()
local strings = {
['10000 whitespace characters'] = string.rep(' ', 10000),
['10000 whitespace characters and one non-whitespace at the end'] = string.rep(' ', 10000)
.. '0',
['10000 whitespace characters and one non-whitespace at the start'] = '0'
.. string.rep(' ', 10000),
['10000 non-whitespace characters'] = string.rep('0', 10000),
['10000 whitespace and one non-whitespace in the middle'] = string.rep(' ', 5000)
.. 'a'
.. string.rep(' ', 5000),
['10000 whitespace characters surrounded by non-whitespace'] = '0'
.. string.rep(' ', 10000)
.. '0',
['10000 non-whitespace characters surrounded by whitespace'] = ' '
.. string.rep('0', 10000)
.. ' ',
}
--- @type string[]
local string_names = vim.tbl_keys(strings)
table.sort(string_names)
for _, name in ipairs(string_names) do
it(name, function()
t.bench(function()
vim.trim(strings[name])
end, { n = 100, label = name })
end)
end
end)