0b137d64f6
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* perf: async enum file read Problem: parse_enums read the bash-completion file with blocking io.open/fd:read on the main thread, stalling the event loop. Solution: read the file via vim.uv.fs_open/fstat/read with callbacks, running in parallel with the ghostty config system call using the same remaining-counter pattern as the other blink-cmp plugins. * fix: lint warning and test mocks for async file read Problem: selene flagged unused err3 variable, and test mock_enums still mocked io.open instead of the new vim.uv.fs_* calls. Solution: rename err3 to _, replace io.open mock with synchronous vim.uv.fs_open/fs_fstat/fs_read/fs_close mocks using a sentinel fd.
251 lines
7.5 KiB
Lua
251 lines
7.5 KiB
Lua
local helpers = require('spec.helpers')
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local CONFIG_DOCS = table.concat({
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'# The font family to use.',
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'# This can be a comma-separated list of font families.',
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'font-family = default',
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'',
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'# The font size in points.',
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'font-size = 12',
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'',
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'# The cursor style.',
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'cursor-style = block',
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'',
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}, '\n')
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local BASH_COMPLETION = table.concat({
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' --cursor-style) mapfile -t COMPREPLY < <( compgen -W "block bar underline" -- "$cur" ); _add_spaces ;;',
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' --font-style) mapfile -t COMPREPLY < <( compgen -W "normal italic" -- "$cur" ); _add_spaces ;;',
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}, '\n')
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local function mock_system()
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local original_system = vim.system
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local original_schedule = vim.schedule
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---@diagnostic disable-next-line: duplicate-set-field
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vim.system = function(cmd, _, on_exit)
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if cmd[1] == 'ghostty' then
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local result = { stdout = CONFIG_DOCS, code = 0 }
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if on_exit then
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on_exit(result)
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return {}
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end
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return {
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wait = function()
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return result
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end,
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}
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end
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local result = { stdout = '', code = 1 }
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if on_exit then
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on_exit(result)
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return {}
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end
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return {
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wait = function()
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return result
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end,
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}
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end
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vim.schedule = function(fn)
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fn()
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end
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return function()
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vim.system = original_system
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vim.schedule = original_schedule
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end
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end
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local MOCK_FD = 99
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local function mock_enums()
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local original_exepath = vim.fn.exepath
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local original_realpath = vim.uv.fs_realpath
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local original_fs_open = vim.uv.fs_open
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local original_fs_fstat = vim.uv.fs_fstat
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local original_fs_read = vim.uv.fs_read
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local original_fs_close = vim.uv.fs_close
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vim.fn.exepath = function(name)
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if name == 'ghostty' then
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return '/mock/bin/ghostty'
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end
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return original_exepath(name)
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end
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vim.uv.fs_realpath = function(path)
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if path == '/mock/bin/ghostty' then
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return '/mock/bin/ghostty'
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end
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return original_realpath(path)
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end
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vim.uv.fs_open = function(path, flags, mode, callback)
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if path:match('ghostty%.bash$') then
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callback(nil, MOCK_FD)
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return
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end
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return original_fs_open(path, flags, mode, callback)
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end
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vim.uv.fs_fstat = function(fd, callback)
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if fd == MOCK_FD then
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callback(nil, { size = #BASH_COMPLETION })
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return
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end
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return original_fs_fstat(fd, callback)
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end
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vim.uv.fs_read = function(fd, size, offset, callback)
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if fd == MOCK_FD then
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callback(nil, BASH_COMPLETION)
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return
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end
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return original_fs_read(fd, size, offset, callback)
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end
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vim.uv.fs_close = function(fd, ...)
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if fd == MOCK_FD then
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return true
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end
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return original_fs_close(fd, ...)
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end
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return function()
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vim.fn.exepath = original_exepath
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vim.uv.fs_realpath = original_realpath
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vim.uv.fs_open = original_fs_open
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vim.uv.fs_fstat = original_fs_fstat
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vim.uv.fs_read = original_fs_read
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vim.uv.fs_close = original_fs_close
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end
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end
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describe('blink-cmp-ghostty', function()
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local restores = {}
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before_each(function()
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package.loaded['blink-cmp-ghostty'] = nil
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end)
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after_each(function()
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for _, fn in ipairs(restores) do
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fn()
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end
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restores = {}
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end)
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describe('enabled', function()
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it('returns true for ghostty filetype', function()
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local bufnr = helpers.create_buffer({}, 'ghostty')
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local source = require('blink-cmp-ghostty')
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assert.is_true(source.enabled())
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helpers.delete_buffer(bufnr)
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end)
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it('returns true for config filetype in ghostty config dir', function()
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local source = require('blink-cmp-ghostty')
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local bufnr = vim.api.nvim_create_buf(false, true)
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vim.api.nvim_set_current_buf(bufnr)
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vim.api.nvim_set_option_value('filetype', 'config', { buf = bufnr })
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local config_path = vim.fn.expand('$HOME/.config/ghostty/config')
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vim.api.nvim_buf_set_name(bufnr, config_path)
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local original_realpath = vim.uv.fs_realpath
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vim.uv.fs_realpath = function(p)
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if p == config_path then
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return config_path
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end
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return original_realpath(p)
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end
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assert.is_true(source.enabled())
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vim.uv.fs_realpath = original_realpath
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helpers.delete_buffer(bufnr)
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end)
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it('returns false for config filetype outside ghostty dir', function()
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local source = require('blink-cmp-ghostty')
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local bufnr = vim.api.nvim_create_buf(false, true)
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vim.api.nvim_set_current_buf(bufnr)
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vim.api.nvim_set_option_value('filetype', 'config', { buf = bufnr })
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vim.api.nvim_buf_set_name(bufnr, '/tmp/some-other/config')
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local original_realpath = vim.uv.fs_realpath
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vim.uv.fs_realpath = function(p)
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if p == '/tmp/some-other/config' then
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return '/tmp/some-other/config'
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end
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return original_realpath(p)
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end
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assert.is_false(source.enabled())
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vim.uv.fs_realpath = original_realpath
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helpers.delete_buffer(bufnr)
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end)
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it('returns false for other filetypes', function()
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local bufnr = helpers.create_buffer({}, 'lua')
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local source = require('blink-cmp-ghostty')
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assert.is_false(source.enabled())
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helpers.delete_buffer(bufnr)
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end)
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end)
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describe('get_completions', function()
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it('returns config keys before =', function()
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restores[#restores + 1] = mock_system()
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restores[#restores + 1] = mock_enums()
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local source = require('blink-cmp-ghostty').new()
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local items
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source:get_completions({ line = 'font', cursor = { 1, 4 } }, function(response)
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items = response.items
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end)
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assert.is_not_nil(items)
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assert.equals(3, #items)
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for _, item in ipairs(items) do
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assert.equals(10, item.kind)
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end
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end)
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it('includes documentation from config docs', function()
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restores[#restores + 1] = mock_system()
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restores[#restores + 1] = mock_enums()
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local source = require('blink-cmp-ghostty').new()
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local items
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source:get_completions({ line = '', cursor = { 1, 0 } }, function(response)
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items = response.items
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end)
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local font_family = vim.iter(items):find(function(item)
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return item.label == 'font-family'
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end)
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assert.is_not_nil(font_family)
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assert.is_not_nil(font_family.documentation)
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assert.is_truthy(font_family.documentation.value:find('font family'))
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end)
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it('returns enum values after =', function()
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restores[#restores + 1] = mock_system()
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restores[#restores + 1] = mock_enums()
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local source = require('blink-cmp-ghostty').new()
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local items
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source:get_completions({ line = 'cursor-style = ', cursor = { 1, 15 } }, function(response)
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items = response.items
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end)
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assert.is_not_nil(items)
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assert.equals(3, #items)
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for _, item in ipairs(items) do
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assert.equals(20, item.kind)
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end
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end)
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it('returns empty after = for unknown key', function()
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restores[#restores + 1] = mock_system()
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restores[#restores + 1] = mock_enums()
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local source = require('blink-cmp-ghostty').new()
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local items
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source:get_completions({ line = 'font-family = ', cursor = { 1, 14 } }, function(response)
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items = response.items
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end)
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assert.equals(0, #items)
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end)
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it('returns a cancel function', function()
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restores[#restores + 1] = mock_system()
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restores[#restores + 1] = mock_enums()
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local source = require('blink-cmp-ghostty').new()
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local cancel = source:get_completions({ line = '', cursor = { 1, 0 } }, function() end)
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assert.is_function(cancel)
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end)
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end)
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end)
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