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require "nvim-treesitter.highlight" -- yes, this is necessary to set the hlmap
local highlighter = require "vim.treesitter.highlighter"
local configs = require "nvim-treesitter.configs"
local parsers = require "nvim-treesitter.parsers"
local ts = vim.treesitter
local function check_assertions(file)
local buf = vim.fn.bufadd(file)
vim.fn.bufload(file)
local lang = parsers.get_buf_lang(buf)
assert.same(
1,
vim.fn.executable "highlight-assertions",
'"highlight-assertions" not executable!'
.. ' Get it via "cargo install --git https://github.com/theHamsta/highlight-assertions"'
)
local assertions = vim.fn.json_decode(
vim.fn.system(
"highlight-assertions -p '" .. configs.get_parser_install_dir() .. "/" .. lang .. ".so'" .. " -s '" .. file .. "'"
)
)
local parser = parsers.get_parser(buf, lang)
local self = highlighter.new(parser, {})
local top_level_root = parser:parse()[1]:root()
for _, assertion in ipairs(assertions) do
local row = assertion.position.row
local col = assertion.position.column
local neg_assert = assertion.expected_capture_name:match "^!"
assertion.expected_capture_name = neg_assert and assertion.expected_capture_name:sub(2)
or assertion.expected_capture_name
local found = false
self.tree:for_each_tree(function(tstree, tree)
if not tstree then
return
end
local root = tstree:root()
--- If there are multiple tree with the smallest range possible
--- Check all of them to see if they fit or not
if not ts.is_in_node_range(root, row, col) or root == top_level_root then
return
end
if assertion.expected_capture_name == tree:lang() then
found = true
end
end, true)
if neg_assert then
assert.False(
found,
"Error in at "
.. file
.. ":"
.. (row + 1)
.. ":"
.. (col + 1)
.. ': expected "'
.. assertion.expected_capture_name
.. '" not to be injected here!'
)
else
assert.True(
found,
"Error in at "
.. file
.. ":"
.. (row + 1)
.. ":"
.. (col + 1)
.. ': expected "'
.. assertion.expected_capture_name
.. '" to be injected here!'
)
end
end
end
describe("injections", function()
local files = vim.fn.split(vim.fn.glob "tests/query/injections/**/*.*")
for _, file in ipairs(files) do
it(file, function()
check_assertions(file)
end)
end
end)
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