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6d8c8b18d5
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`.
95 lines
2.8 KiB
Lua
95 lines
2.8 KiB
Lua
local t = require('test.testutil')
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local n = require('test.functional.testnvim')()
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local describe, it, setup = t.describe, t.it, t.setup
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local eq = t.eq
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local NIL = vim.NIL
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local eval = n.eval
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local clear = n.clear
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local api = n.api
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local fn = n.fn
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local command = n.command
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local pcall_err = t.pcall_err
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setup(clear)
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describe('sort()', function()
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it('errors out when sorting special values', function()
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eq(
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'Vim(call):E362: Using a boolean value as a Float',
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pcall_err(command, 'call sort([v:true, v:false], "f")')
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)
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end)
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it('sorts “wrong” values between -0.0001 and 0.0001, preserving order', function()
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api.nvim_set_var('list', {
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true,
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false,
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NIL,
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{},
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{ a = 42 },
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'check',
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0.0001,
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-0.0001,
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})
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command('call insert(g:list, function("tr"))')
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local error_lines = fn.split(fn.execute('silent! call sort(g:list, "f")'), '\n')
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local errors = {}
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for _, err in ipairs(error_lines) do
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errors[err] = true
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end
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eq({
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['E362: Using a boolean value as a Float'] = true,
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['E891: Using a Funcref as a Float'] = true,
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['E892: Using a String as a Float'] = true,
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['E893: Using a List as a Float'] = true,
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['E894: Using a Dictionary as a Float'] = true,
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['E907: Using a special value as a Float'] = true,
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}, errors)
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eq(
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"[-1.0e-4, function('tr'), v:true, v:false, v:null, [], {'a': 42}, 'check', 1.0e-4]",
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eval('string(g:list)')
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)
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end)
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it('can yield E702 and stop sorting after that', function()
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command([[
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function Cmp(a, b)
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if type(a:a) == type([]) || type(a:b) == type([])
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return []
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endif
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return (a:a > a:b) - (a:a < a:b)
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endfunction
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]])
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eq(
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'Vim(let):E745: Using a List as a Number',
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pcall_err(command, 'let sl = sort([1, 0, [], 3, 2], "Cmp")')
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)
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end)
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it('handles large numbers properly', function()
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local to_sort = {
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{ 229539777187355, 229539777187355 },
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{ 487766135067138, 491977135306566 },
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{ 188325333471071, 188931909913550 },
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{ 264028451845520, 265514296554744 },
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{ 245727634348687, 249469249579525 },
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{ 375117820166731, 378942174241518 },
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{ 535474757750378, 535849288071548 },
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}
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local expected = {
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{ 188325333471071, 188931909913550 },
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{ 229539777187355, 229539777187355 },
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{ 245727634348687, 249469249579525 },
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{ 264028451845520, 265514296554744 },
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{ 375117820166731, 378942174241518 },
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{ 487766135067138, 491977135306566 },
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{ 535474757750378, 535849288071548 },
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}
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eq(expected, fn.sort(to_sort))
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api.nvim_set_var('to_sort', to_sort)
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eq(expected, api.nvim_eval('sort(g:to_sort)'))
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eq(expected, api.nvim_eval('sort(g:to_sort, {a, b -> a[0] - b[0]})'))
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end)
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end)
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