neovim/test/functional/treesitter/inspect_tree_spec.lua
altermo c0b99bb1de
feat(treesitter): show root nodes in :InspectTree (#26944)
Co-authored-by: altermo <>
Co-authored-by: Jongwook Choi <wookayin@gmail.com>
2024-02-06 14:51:53 -06:00

116 lines
3.1 KiB
Lua

local helpers = require('test.functional.helpers')(after_each)
local clear = helpers.clear
local insert = helpers.insert
local dedent = helpers.dedent
local eq = helpers.eq
local exec_lua = helpers.exec_lua
local feed = helpers.feed
describe('vim.treesitter.inspect_tree', function()
before_each(clear)
local expect_tree = function(x)
local expected = vim.split(vim.trim(dedent(x)), '\n')
local actual = helpers.buf_lines(0) ---@type string[]
eq(expected, actual)
end
it('working', function()
insert([[
print()
]])
exec_lua([[
vim.treesitter.start(0, 'lua')
vim.treesitter.inspect_tree()
]])
expect_tree [[
(chunk ; [0, 0] - [2, 0]
(function_call ; [0, 0] - [0, 7]
name: (identifier) ; [0, 0] - [0, 5]
arguments: (arguments))) ; [0, 5] - [0, 7]
]]
end)
it('can toggle to show anonymous nodes', function()
insert([[
print()
]])
exec_lua([[
vim.treesitter.start(0, 'lua')
vim.treesitter.inspect_tree()
]])
feed('a')
expect_tree [[
(chunk ; [0, 0] - [2, 0]
(function_call ; [0, 0] - [0, 7]
name: (identifier) ; [0, 0] - [0, 5]
arguments: (arguments ; [0, 5] - [0, 7]
"(" ; [0, 5] - [0, 6]
")"))) ; [0, 6] - [0, 7]
]]
end)
it('works for injected trees', function()
insert([[
```lua
return
```
]])
exec_lua([[
vim.treesitter.start(0, 'markdown')
vim.treesitter.get_parser():parse()
vim.treesitter.inspect_tree()
]])
expect_tree [[
(document ; [0, 0] - [4, 0]
(section ; [0, 0] - [4, 0]
(fenced_code_block ; [0, 0] - [3, 0]
(fenced_code_block_delimiter) ; [0, 0] - [0, 3]
(info_string ; [0, 3] - [0, 6]
(language)) ; [0, 3] - [0, 6]
(block_continuation) ; [1, 0] - [1, 0]
(code_fence_content ; [1, 0] - [2, 0]
(chunk ; [1, 0] - [2, 0]
(return_statement)) ; [1, 0] - [1, 6]
(block_continuation)) ; [2, 0] - [2, 0]
(fenced_code_block_delimiter)))) ; [2, 0] - [2, 3]
]]
end)
it('can toggle to show languages', function()
insert([[
```lua
return
```
]])
exec_lua([[
vim.treesitter.start(0, 'markdown')
vim.treesitter.get_parser():parse()
vim.treesitter.inspect_tree()
]])
feed('I')
expect_tree [[
(document ; [0, 0] - [4, 0] markdown
(section ; [0, 0] - [4, 0] markdown
(fenced_code_block ; [0, 0] - [3, 0] markdown
(fenced_code_block_delimiter) ; [0, 0] - [0, 3] markdown
(info_string ; [0, 3] - [0, 6] markdown
(language)) ; [0, 3] - [0, 6] markdown
(block_continuation) ; [1, 0] - [1, 0] markdown
(code_fence_content ; [1, 0] - [2, 0] markdown
(chunk ; [1, 0] - [2, 0] lua
(return_statement)) ; [1, 0] - [1, 6] lua
(block_continuation)) ; [2, 0] - [2, 0] markdown
(fenced_code_block_delimiter)))) ; [2, 0] - [2, 3] markdown
]]
end)
end)