'use strict'; const common = require('../common'); if (process.argv[2] === 'wasi-child') { const fixtures = require('../common/fixtures'); const tmpdir = require('../../test/common/tmpdir'); const fs = require('fs'); const path = require('path'); common.expectWarning('ExperimentalWarning', 'WASI is an experimental feature. This feature could ' + 'change at any time'); const { WASI } = require('wasi'); tmpdir.refresh(); const wasmDir = path.join(__dirname, 'wasm'); const wasi = new WASI({ args: [], env: process.env, preopens: { '/sandbox': fixtures.path('wasi'), '/tmp': tmpdir.path } }); const importObject = { wasi_unstable: wasi.wasiImport }; const modulePath = path.join(wasmDir, `${process.argv[3]}.wasm`); const buffer = fs.readFileSync(modulePath); (async () => { const { instance } = await WebAssembly.instantiate(buffer, importObject); wasi.start(instance); })(); } else { const assert = require('assert'); const cp = require('child_process'); const { EOL } = require('os'); function runWASI(options) { console.log('executing', options.test); const opts = { env: { ...process.env, NODE_DEBUG_NATIVE: 'wasi' } }; if (options.stdin !== undefined) opts.input = options.stdin; const child = cp.spawnSync(process.execPath, [ '--experimental-wasi-unstable-preview0', '--experimental-wasm-bigint', __filename, 'wasi-child', options.test ], opts); console.log(child.stderr.toString()); assert.strictEqual(child.status, options.exitCode || 0); assert.strictEqual(child.signal, null); assert.strictEqual(child.stdout.toString(), options.stdout || ''); } runWASI({ test: 'cant_dotdot' }); runWASI({ test: 'clock_getres' }); runWASI({ test: 'exitcode', exitCode: 120 }); runWASI({ test: 'fd_prestat_get_refresh' }); runWASI({ test: 'getentropy' }); runWASI({ test: 'getrusage' }); runWASI({ test: 'gettimeofday' }); runWASI({ test: 'notdir' }); // runWASI({ test: 'poll' }); runWASI({ test: 'preopen_populates' }); runWASI({ test: 'read_file', stdout: `hello from input.txt${EOL}` }); runWASI({ test: 'read_file_twice', stdout: `hello from input.txt${EOL}hello from input.txt${EOL}` }); runWASI({ test: 'stat' }); runWASI({ test: 'write_file' }); // Tests that are currently unsupported on Windows. if (!common.isWindows) { runWASI({ test: 'stdin', stdin: 'hello world', stdout: 'hello world' }); } }