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local t = require('test.testutil')
local n = require('test.functional.testnvim')()
local clear = n.clear
local insert = n.insert
local dedent = t.dedent
local eq = t.eq
local exec_lua = n.exec_lua
local feed = n.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 = n.buf_lines(0) ---@type string[]
eq(expected, actual)
end
it('working', function()
insert([[
print()
]])
exec_lua(function()
vim.treesitter.start(0, 'lua')
vim.treesitter.inspect_tree()
end)
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('hello')
]])
exec_lua(function()
vim.treesitter.start(0, 'lua')
vim.treesitter.inspect_tree()
end)
feed('a')
expect_tree [[
(chunk ; [0, 0] - [2, 0]
(function_call ; [0, 0] - [0, 14]
name: (identifier) ; [0, 0] - [0, 5]
arguments: (arguments ; [0, 5] - [0, 14]
"(" ; [0, 5] - [0, 6]
(string ; [0, 6] - [0, 13]
start: "'" ; [0, 6] - [0, 7]
content: (string_content) ; [0, 7] - [0, 12]
end: "'") ; [0, 12] - [0, 13]
")"))) ; [0, 13] - [0, 14]
]]
end)
it('works for injected trees', function()
insert([[
```lua
return
```
]])
exec_lua(function()
vim.treesitter.start(0, 'markdown')
vim.treesitter.get_parser():parse()
vim.treesitter.inspect_tree()
end)
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(function()
vim.treesitter.start(0, 'markdown')
vim.treesitter.get_parser():parse()
vim.treesitter.inspect_tree()
end)
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)
it('updates source and tree buffer windows and closes them correctly', function()
insert([[
print()
]])
-- setup two windows for the source buffer
exec_lua(function()
_G.source_win = vim.api.nvim_get_current_win()
vim.api.nvim_open_win(0, false, {
win = 0,
split = 'left',
})
end)
-- setup three windows for the tree buffer
exec_lua(function()
vim.treesitter.start(0, 'lua')
vim.treesitter.inspect_tree()
_G.tree_win = vim.api.nvim_get_current_win()
_G.tree_win_copy_1 = vim.api.nvim_open_win(0, false, {
win = 0,
split = 'left',
})
_G.tree_win_copy_2 = vim.api.nvim_open_win(0, false, {
win = 0,
split = 'left',
})
end)
-- close original source window
exec_lua('vim.api.nvim_win_close(source_win, false)')
-- navigates correctly to the remaining source buffer window
feed('<CR>')
eq('', n.api.nvim_get_vvar('errmsg'))
-- close original tree window
exec_lua(function()
vim.api.nvim_set_current_win(_G.tree_win_copy_1)
vim.api.nvim_win_close(_G.tree_win, false)
end)
-- navigates correctly to the remaining source buffer window
feed('<CR>')
eq('', n.api.nvim_get_vvar('errmsg'))
-- close source buffer window and all remaining tree windows
t.pcall_err(exec_lua, 'vim.api.nvim_win_close(0, false)')
eq(false, exec_lua('return vim.api.nvim_win_is_valid(tree_win_copy_1)'))
eq(false, exec_lua('return vim.api.nvim_win_is_valid(tree_win_copy_2)'))
end)
end)
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