Files
neovim/test/functional/treesitter/utils_spec.lua
Quentin Rasmont 3aba4ba378 feat(treesitter): upstream is_parent()
Util from the nvim-treesitter project.
Renamed is_parent to is_ancestor for clarity.
2022-08-25 18:01:14 +02:00

30 lines
713 B
Lua

local helpers = require('test.functional.helpers')(after_each)
local clear = helpers.clear
local insert = helpers.insert
local eq = helpers.eq
local exec_lua = helpers.exec_lua
before_each(clear)
describe('treesitter utils', function()
clear()
it('can find an ancestor', function()
insert([[
int main() {
int x = 3;
}]])
exec_lua([[
parser = vim.treesitter.get_parser(0, "c")
tree = parser:parse()[1]
root = tree:root()
ancestor = root:child(0)
child = ancestor:child(0)
]])
eq(true, exec_lua('return vim.treesitter.is_ancestor(ancestor, child)'))
eq(false, exec_lua('return vim.treesitter.is_ancestor(child, ancestor)'))
end)
end)