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-rw-r--r--test/functional/treesitter/testutil.lua25
1 files changed, 25 insertions, 0 deletions
diff --git a/test/functional/treesitter/testutil.lua b/test/functional/treesitter/testutil.lua
new file mode 100644
index 0000000000..f8934f06c3
--- /dev/null
+++ b/test/functional/treesitter/testutil.lua
@@ -0,0 +1,25 @@
+local n = require('test.functional.testnvim')()
+
+local exec_lua = n.exec_lua
+
+local M = {}
+
+---@param language string
+---@param query_string string
+function M.run_query(language, query_string)
+ return exec_lua(function(lang, query_str)
+ local query = vim.treesitter.query.parse(lang, query_str)
+ local parser = vim.treesitter.get_parser()
+ local tree = parser:parse()[1]
+ local res = {}
+ for id, node, metadata in query:iter_captures(tree:root(), 0) do
+ table.insert(
+ res,
+ { query.captures[id], metadata[id] and metadata[id].range or { node:range() } }
+ )
+ end
+ return res
+ end, language, query_string)
+end
+
+return M