neovim/test/functional/treesitter/utils_spec.lua
Lewis Russell 7d24c4d6b0 test: allow exec_lua to handle functions
Problem:

Tests have lots of exec_lua calls which input blocks of code
provided as unformatted strings.

Solution:

Teach exec_lua how to handle functions.
2024-08-02 19:04:37 +01:00

49 lines
1.2 KiB
Lua

local t = require('test.testutil')
local n = require('test.functional.testnvim')()
local clear = n.clear
local insert = n.insert
local eq = t.eq
local exec_lua = n.exec_lua
before_each(clear)
describe('treesitter utils', function()
before_each(clear)
it('can find an ancestor', function()
insert([[
int main() {
int x = 3;
}]])
exec_lua(function()
local parser = vim.treesitter.get_parser(0, 'c')
local tree = parser:parse()[1]
local root = tree:root()
_G.ancestor = root:child(0)
_G.child = _G.ancestor:child(0)
end)
eq(true, exec_lua('return vim.treesitter.is_ancestor(_G.ancestor, _G.child)'))
eq(false, exec_lua('return vim.treesitter.is_ancestor(_G.child, _G.ancestor)'))
end)
it('can detect if a position is contained in a node', function()
exec_lua(function()
_G.node = {
range = function()
return 0, 4, 0, 8
end,
}
end)
eq(false, exec_lua('return vim.treesitter.is_in_node_range(node, 0, 3)'))
for i = 4, 7 do
eq(true, exec_lua('return vim.treesitter.is_in_node_range(node, 0, ...)', i))
end
-- End column exclusive
eq(false, exec_lua('return vim.treesitter.is_in_node_range(node, 0, 8)'))
end)
end)