preview.nvim/spec/init_spec.lua
Barrett Ruth 859f04e010
refactor(config): replace array preset syntax with preset_name = true
Problem: setup() mixed array entries (preset names) and hash entries
(custom providers keyed by filetype), requiring verbose
vim.tbl_deep_extend boilerplate to override presets.

Solution: unify under a single key=value model. Keys are preset names
or filetypes; true registers the preset as-is, a table deep-merges
with the matching preset (or registers a custom provider if no preset
matches), and false is a no-op. Array entries are dropped. Also adds
-f gfm to presets.github args so pandoc parses input as GFM.
2026-03-03 00:19:48 -05:00

103 lines
3.2 KiB
Lua

local helpers = require('spec.helpers')
describe('preview', function()
local preview
before_each(function()
helpers.reset_config()
preview = require('preview')
end)
describe('config', function()
it('returns defaults before setup is called', function()
local config = preview.get_config()
assert.is_false(config.debug)
assert.are.same({}, config.providers)
end)
it('merges user config with defaults', function()
helpers.reset_config({ debug = true })
local config = require('preview').get_config()
assert.is_true(config.debug)
assert.are.same({}, config.providers)
end)
it('merges override table with matching preset', function()
helpers.reset_config({
typst = {
cmd = { 'typst', 'compile' },
args = { '%s' },
},
})
local config = require('preview').get_config()
assert.is_not_nil(config.providers.typst)
end)
it('resolves preset = true to provider config', function()
helpers.reset_config({ typst = true, markdown = true })
local config = require('preview').get_config()
local presets = require('preview.presets')
assert.are.same(presets.typst, config.providers.typst)
assert.are.same(presets.markdown, config.providers.markdown)
end)
it('resolves latex preset under tex filetype', function()
helpers.reset_config({ latex = true })
local config = require('preview').get_config()
local presets = require('preview.presets')
assert.are.same(presets.latex, config.providers.tex)
end)
it('resolves github preset under markdown filetype', function()
helpers.reset_config({ github = true })
local config = require('preview').get_config()
local presets = require('preview.presets')
assert.are.same(presets.github, config.providers.markdown)
end)
end)
describe('resolve_provider', function()
before_each(function()
helpers.reset_config({
typst = true,
})
preview = require('preview')
end)
it('returns filetype when provider exists', function()
local bufnr = helpers.create_buffer({}, 'typst')
local name = preview.resolve_provider(bufnr)
assert.are.equal('typst', name)
helpers.delete_buffer(bufnr)
end)
it('returns nil for unconfigured filetype', function()
local bufnr = helpers.create_buffer({}, 'lua')
local name = preview.resolve_provider(bufnr)
assert.is_nil(name)
helpers.delete_buffer(bufnr)
end)
end)
describe('build_context', function()
it('builds context from buffer', function()
local bufnr = helpers.create_buffer({}, 'typst')
local ctx = preview.build_context(bufnr)
assert.are.equal(bufnr, ctx.bufnr)
assert.are.equal('typst', ctx.ft)
assert.is_string(ctx.file)
assert.is_string(ctx.root)
helpers.delete_buffer(bufnr)
end)
end)
describe('status', function()
it('returns idle when nothing is compiling', function()
local bufnr = helpers.create_buffer({})
local s = preview.status(bufnr)
assert.is_false(s.compiling)
assert.is_nil(s.provider)
helpers.delete_buffer(bufnr)
end)
end)
end)