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local config = require('nvim-treesitter.config')
local ts = vim.treesitter
local function check_assertions(file)
local buf = vim.fn.bufadd(file)
vim.fn.bufload(file)
local ft = vim.bo[buf].filetype
local lang = vim.treesitter.language.get_lang(ft) or ft
local assertions = vim.fn.json_decode(vim.fn.system({
os.getenv('HLASSERT'),
'-p',
config.get_install_dir('parser') .. '/' .. lang .. '.so',
'-s',
file,
}))
local parser = ts.get_parser(buf, lang)
local top_level_root = parser:parse(true)[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
parser: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)
if neg_assert then
assert.False(
found,
'Error in '
.. file
.. ':'
.. (row + 1)
.. ':'
.. (col + 1)
.. ': expected "'
.. assertion.expected_capture_name
.. '" not to be injected here!'
)
else
assert.True(
found,
'Error in '
.. 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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