mirror of
https://github.com/neovim/neovim.git
synced 2025-11-04 09:44:31 +00:00
019b2050e1
Problem: Change applied in d3e495ce uses a byte-offset where a virtual
column is expected.
Solution: Set the cursor directly through a <Cmd> mapping, while making
sure the commands are ordered correctly by adding them to the
type-ahead buffer.
317 lines
9.3 KiB
Lua
317 lines
9.3 KiB
Lua
---@diagnostic disable: no-unknown
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local t = require('test.testutil')
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local n = require('test.functional.testnvim')()
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local buf_lines = n.buf_lines
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local clear = n.clear
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local eq = t.eq
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local exec_lua = n.exec_lua
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local feed = n.feed
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local api = n.api
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local fn = n.fn
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local matches = t.matches
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local pcall_err = t.pcall_err
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local poke_eventloop = n.poke_eventloop
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local retry = t.retry
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describe('vim.snippet', function()
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before_each(function()
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clear()
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exec_lua(function()
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local function set_snippet_jump(direction, key)
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vim.keymap.set({ 'i', 's' }, key, function()
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if vim.snippet.active({ direction = direction }) then
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return string.format('<Cmd>lua vim.snippet.jump(%d)<CR>', direction)
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else
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return key
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end
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end, { silent = true, expr = true })
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end
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set_snippet_jump(1, '<Tab>')
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set_snippet_jump(-1, '<S-Tab>')
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end)
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end)
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after_each(clear)
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--- @param snippet string[]
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--- @param expected string[]
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--- @param settings? string
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--- @param prefix? string
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local function test_expand_success(snippet, expected, settings, prefix)
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if settings then
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exec_lua(settings)
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end
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if prefix then
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feed('i' .. prefix)
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end
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exec_lua('vim.snippet.expand(...)', table.concat(snippet, '\n'))
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eq(expected, buf_lines(0))
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end
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local function wait_for_pum()
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retry(nil, nil, function()
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eq(1, fn.pumvisible())
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end)
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end
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--- @param snippet string
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--- @param err string
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local function test_expand_fail(snippet, err)
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matches(err, pcall_err(exec_lua, string.format('vim.snippet.expand("%s")', snippet)))
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end
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it('adds base indentation to inserted text', function()
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test_expand_success(
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{ 'function $1($2)', ' $0', 'end' },
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{ ' function ()', ' ', ' end' },
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'',
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' '
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)
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end)
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it('adds indentation based on the start of snippet lines', function()
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local curbuf = api.nvim_get_current_buf()
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test_expand_success({ 'if $1 then', ' $0', 'end' }, { 'if then', ' ', 'end' })
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-- Regression test: #29658
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api.nvim_buf_set_lines(curbuf, 0, -1, false, {})
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test_expand_success({ '${1:foo^bar}\n' }, { 'foo^bar', '' })
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-- Regression test: #30950
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api.nvim_buf_set_lines(curbuf, 0, -1, false, {})
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test_expand_success({ 'a^ b$1', 'b$2', 'd' }, { 'a^ b', 'b', 'd' })
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end)
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it('replaces tabs with spaces when expandtab is set', function()
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test_expand_success(
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{ 'function $1($2)', '\t$0', 'end' },
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{ 'function ()', ' ', 'end' },
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[[
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vim.o.expandtab = true
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vim.o.shiftwidth = 2
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]]
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)
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end)
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it('respects tabs when expandtab is not set', function()
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test_expand_success(
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{ 'function $1($2)', '\t$0', 'end' },
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{ 'function ()', '\t', 'end' },
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'vim.o.expandtab = false'
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)
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end)
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it('inserts known variable value', function()
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test_expand_success({ '; print($TM_CURRENT_LINE)' }, { 'foo; print(foo)' }, nil, 'foo')
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end)
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it('uses default when variable is not set', function()
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test_expand_success({ 'print(${TM_CURRENT_WORD:foo})' }, { 'print(foo)' })
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end)
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it('replaces unknown variables by placeholders', function()
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test_expand_success({ 'print($UNKNOWN)' }, { 'print(UNKNOWN)' })
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end)
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it('does not jump outside snippet range', function()
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test_expand_success({ 'function $1($2)', ' $0', 'end' }, { 'function ()', ' ', 'end' })
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eq(false, exec_lua('return vim.snippet.active({ direction = -1 })'))
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feed('<Tab><Tab>i')
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eq(false, exec_lua('return vim.snippet.active( { direction = 1 })'))
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end)
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it('navigates backwards', function()
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test_expand_success({ 'function $1($2) end' }, { 'function () end' })
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feed('<Tab><S-Tab>foo')
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eq({ 'function foo() end' }, buf_lines(0))
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end)
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it('visits all tabstops', function()
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local function cursor()
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return exec_lua('return vim.api.nvim_win_get_cursor(0)')
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end
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test_expand_success({ 'function $1($2)', ' $0', 'end' }, { 'function ()', ' ', 'end' })
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eq({ 1, 9 }, cursor())
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feed('<Tab>')
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eq({ 1, 10 }, cursor())
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feed('<Tab>')
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eq({ 2, 2 }, cursor())
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end)
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it('syncs text of tabstops with equal indexes', function()
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test_expand_success({ 'var double = ${1:x} + ${1:x}' }, { 'var double = x + x' })
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feed('123')
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eq({ 'var double = 123 + 123' }, buf_lines(0))
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end)
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it('cancels session with changes outside the snippet', function()
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test_expand_success({ 'print($1)' }, { 'print()' })
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feed('<Esc>O-- A comment')
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eq(false, exec_lua('return vim.snippet.active()'))
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eq({ '-- A comment', 'print()' }, buf_lines(0))
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end)
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it('handles non-consecutive tabstops', function()
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test_expand_success({ 'class $1($3) {', ' $0', '}' }, { 'class () {', ' ', '}' })
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feed('Foo') -- First tabstop
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feed('<Tab><Tab>') -- Jump to $0
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feed('// Inside') -- Insert text
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eq({ 'class Foo() {', ' // Inside', '}' }, buf_lines(0))
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end)
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it('handles multiline placeholders', function()
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test_expand_success(
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{ 'public void foo() {', ' ${0:// TODO Auto-generated', ' throw;}', '}' },
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{ 'public void foo() {', ' // TODO Auto-generated', ' throw;', '}' }
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)
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end)
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it('inserts placeholder in all tabstops when the first tabstop has the placeholder', function()
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test_expand_success(
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{ 'for (${1:int} ${2:x} = ${3:0}; $2 < ${4:N}; $2++) {', ' $0', '}' },
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{ 'for (int x = 0; x < N; x++) {', ' ', '}' }
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)
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end)
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it('inserts placeholder in all tabstops when a later tabstop has the placeholder', function()
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test_expand_success(
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{ 'for (${1:int} $2 = ${3:0}; ${2:x} < ${4:N}; $2++) {', ' $0', '}' },
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{ 'for (int x = 0; x < N; x++) {', ' ', '}' }
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)
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end)
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it('errors with multiple placeholders for the same index', function()
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test_expand_fail(
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'class ${1:Foo} { void ${1:foo}() {} }',
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'multiple placeholders for tabstop $1'
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)
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end)
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it('errors with multiple $0 tabstops', function()
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test_expand_fail('function $1() { $0 }$0', 'multiple $0 tabstops')
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end)
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it('cancels session when deleting the snippet', function()
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test_expand_success(
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{ 'local function $1()', ' $0', 'end' },
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{ 'local function ()', ' ', 'end' }
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)
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feed('<esc>Vjjd')
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eq(false, exec_lua('return vim.snippet.active()'))
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end)
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it('cancels session when inserting outside snippet region', function()
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feed('i<cr>')
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test_expand_success(
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{ 'local function $1()', ' $0', 'end' },
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{ '', 'local function ()', ' ', 'end' }
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)
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feed('<esc>O-- A comment')
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eq(false, exec_lua('return vim.snippet.active()'))
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end)
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it('inserts choice', function()
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test_expand_success({ 'console.${1|assert,log,error|}()' }, { 'console.()' })
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wait_for_pum()
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feed('<Down><C-y>')
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eq({ 'console.log()' }, buf_lines(0))
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end)
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it('closes the choice completion menu when jumping', function()
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test_expand_success({ 'console.${1|assert,log,error|}($2)' }, { 'console.()' })
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wait_for_pum()
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exec_lua('vim.snippet.jump(1)')
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eq(0, fn.pumvisible())
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end)
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it('jumps to next tabstop after inserting choice', function()
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test_expand_success(
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{ '${1|public,protected,private|} function ${2:name}() {', '\t$0', '}' },
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{ ' function name() {', '\t', '}' }
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)
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wait_for_pum()
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feed('<C-y><Tab>')
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poke_eventloop()
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feed('foo')
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eq({ 'public function foo() {', '\t', '}' }, buf_lines(0))
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end)
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it('jumps through adjacent tabstops', function()
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test_expand_success(
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{ 'for i=1,${1:to}${2:,step} do\n\t$3\nend' },
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{ 'for i=1,to,step do', '\t', 'end' }
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)
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feed('10')
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feed('<Tab>')
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poke_eventloop()
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feed(',2')
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eq({ 'for i=1,10,2 do', '\t', 'end' }, buf_lines(0))
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end)
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it('updates snippet state when built-in completion menu is visible', function()
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test_expand_success({ '$1 = function($2)\nend' }, { ' = function()', 'end' })
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-- Show the completion menu.
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feed('<C-n>')
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-- Make sure no item is selected.
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feed('<C-p>')
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-- Jump forward (the 2nd tabstop).
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exec_lua('vim.snippet.jump(1)')
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feed('foo')
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eq({ ' = function(foo)', 'end' }, buf_lines(0))
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end)
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it('correctly indents with newlines', function()
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local curbuf = api.nvim_get_current_buf()
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test_expand_success(
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{ 'function($2)\n\t$3\nend' },
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{ 'function()', ' ', 'end' },
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[[
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vim.opt.sw = 2
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vim.opt.expandtab = true
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]]
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)
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api.nvim_buf_set_lines(curbuf, 0, -1, false, {})
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test_expand_success(
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{ 'function($2)\n$3\nend' },
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{ 'function()', '', 'end' },
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[[
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vim.opt.sw = 2
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vim.opt.expandtab = true
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]]
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)
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api.nvim_buf_set_lines(curbuf, 0, -1, false, {})
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test_expand_success(
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{ 'func main() {\n\t$1\n}' },
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{ 'func main() {', '\t', '}' },
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[[
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vim.opt.sw = 4
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vim.opt.ts = 4
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vim.opt.expandtab = false
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]]
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)
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api.nvim_buf_set_lines(curbuf, 0, -1, false, {})
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test_expand_success(
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{ '${1:name} :: ${2}\n${1:name} ${3}= ${0:undefined}' },
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{
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'name :: ',
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'name = undefined',
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},
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[[
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vim.opt.sw = 4
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vim.opt.ts = 4
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vim.opt.expandtab = false
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]]
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)
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end)
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it('correct visual selection with multi-byte text', function()
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test_expand_success({ 'function(${1:var})' }, { '口口function(var)' }, nil, '口口')
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feed('foo')
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eq({ '口口function(foo)' }, buf_lines(0))
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end)
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end)
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