mirror of
https://github.com/neovim/neovim.git
synced 2026-07-14 13:20:35 +00:00
08b47b1964
Problem: No CI coverage for wasm builds. Solution: Add a basic workflow that builds with ENABLE_WASMTIME and runs wasm-specific tests.
86 lines
2.5 KiB
Lua
86 lines
2.5 KiB
Lua
local t = require('test.testutil')
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local n = require('test.functional.testnvim')()
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local clear = n.clear
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local command = n.command
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local eq = t.eq
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local exec_lua = n.exec_lua
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local insert = n.insert
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local skip = t.skip
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local lua_text = [[
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local M = {}
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-- returns the sum of two numbers
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local function add(a, b)
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return a + b
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end
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M.add = add
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return M
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]]
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describe('treesitter WASM parser', function()
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before_each(clear)
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it('lua WASM parser produces same highlight captures as native parser', function()
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skip(
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exec_lua('return vim._ts_add_language_from_wasm == nil'),
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'N/A ENABLE_WASMTIME not enabled'
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)
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local wasm_files = exec_lua(function()
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return vim.api.nvim_get_runtime_file('parser/lua.wasm', true)
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end)
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assert(
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#wasm_files > 0,
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'lua.wasm not found in runtimepath (rebuild with ENABLE_WASMTIME=ON USE_BUNDLED_TS_PARSERS=ON)'
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)
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local wasm_path = wasm_files[1]
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local query_str = exec_lua(function()
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local files = vim.api.nvim_get_runtime_file('queries/lua/highlights.scm', false)
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assert(#files > 0, 'queries/lua/highlights.scm not found')
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local f = assert(io.open(files[1]))
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local s = f:read('*a')
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f:close()
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return s
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end)
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-- Buffer 1: parse with the native lua parser.
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insert(lua_text)
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local native_captures = exec_lua(function(qstr)
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local query = vim.treesitter.query.parse('lua', qstr)
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local parser = vim.treesitter.get_parser(0, 'lua')
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local tree = parser:parse()[1]
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local result = {}
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for id, node in query:iter_captures(tree:root(), 0) do
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local r = { node:range() }
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table.insert(result, { query.captures[id], r[1], r[2], r[3], r[4] })
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end
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return result
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end, query_str)
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-- Buffer 2: same content, but the lua language loaded from WASM.
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command('new')
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insert(lua_text)
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local wasm_captures = exec_lua(function(path, qstr)
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-- Remove the native registration so the WASM one can take its place.
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vim._ts_remove_language('lua')
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vim._ts_add_language_from_wasm(path, 'lua')
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local query = vim.treesitter.query.parse('lua', qstr)
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local parser = vim.treesitter.get_parser(0, 'lua')
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local tree = parser:parse()[1]
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local result = {}
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for id, node in query:iter_captures(tree:root(), 0) do
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local r = { node:range() }
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table.insert(result, { query.captures[id], r[1], r[2], r[3], r[4] })
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end
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return result
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end, wasm_path, query_str)
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eq(native_captures, wasm_captures)
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end)
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end)
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