neovim/test/functional/lua/help_spec.lua
Justin M. Keyes 036da0d079 fix(docs): vimdoc syntax errors
gen_help_html: truncate parse-error sample text
2023-06-25 17:14:28 +02:00

52 lines
2.0 KiB
Lua

-- Tests for gen_help_html.lua. Validates :help tags/links and HTML doc generation.
--
-- TODO: extract parts of gen_help_html.lua into Nvim stdlib?
local helpers = require('test.functional.helpers')(after_each)
local clear = helpers.clear
local exec_lua = helpers.exec_lua
local eq = helpers.eq
local ok = helpers.ok
describe(':help docs', function()
before_each(clear)
it('validate', function()
-- If this test fails, try these steps (in order):
-- 1. Fix/cleanup the :help docs.
-- 2. Fix the parser: https://github.com/neovim/tree-sitter-vimdoc
-- 3. File a parser bug, and adjust the tolerance of this test in the meantime.
local rv = exec_lua([[return require('scripts.gen_help_html').validate('./build/runtime/doc')]])
-- Check that we actually found helpfiles.
ok(rv.helpfiles > 100, '>100 :help files', rv.helpfiles)
eq({}, rv.parse_errors, 'no parse errors')
eq(0, rv.err_count, 'no parse errors')
eq({}, rv.invalid_links, 'invalid tags in :help docs')
eq({}, rv.invalid_urls, 'invalid URLs in :help docs')
eq({}, rv.invalid_spelling, 'invalid spelling in :help docs (see spell_dict in scripts/gen_help_html.lua)')
end)
it('gen_help_html.lua generates HTML', function()
-- 1. Test that gen_help_html.lua actually works.
-- 2. Test that parse errors did not increase wildly. Because we explicitly test only a few
-- :help files, we can be precise about the tolerances here.
local tmpdir = exec_lua('return vim.fs.dirname(vim.fn.tempname())')
-- Because gen() is slow (~30s), this test is limited to a few files.
local rv = exec_lua([[
local to_dir = ...
return require('scripts.gen_help_html').gen(
'./build/runtime/doc',
to_dir,
{ 'pi_health.txt', 'help.txt', 'index.txt', 'nvim.txt', }
)
]],
tmpdir
)
eq(4, #rv.helpfiles)
eq(0, rv.err_count, 'parse errors in :help docs')
eq({}, rv.invalid_links, 'invalid tags in :help docs')
end)
end)