nodejs/test/parallel/test-vm-module-dynamic-impo...

98 lines
2.5 KiB
JavaScript

'use strict';
// Flags: --experimental-vm-modules
const common = require('../common');
const assert = require('assert');
const { Script, SourceTextModule, createContext } = require('vm');
async function testNoCallback() {
const m = new SourceTextModule('import("foo")', { context: createContext() });
await m.link(common.mustNotCall());
const { result } = await m.evaluate();
let threw = false;
try {
await result;
} catch (err) {
threw = true;
assert.strictEqual(err.code, 'ERR_VM_DYNAMIC_IMPORT_CALLBACK_MISSING');
}
assert(threw);
}
async function test() {
const foo = new SourceTextModule('export const a = 1;');
await foo.link(common.mustNotCall());
await foo.evaluate();
{
const s = new Script('import("foo")', {
importModuleDynamically: common.mustCall((specifier, wrap) => {
assert.strictEqual(specifier, 'foo');
assert.strictEqual(wrap, s);
return foo;
}),
});
const result = s.runInThisContext();
assert.strictEqual(foo.namespace, await result);
}
{
const m = new SourceTextModule('import("foo")', {
importModuleDynamically: common.mustCall((specifier, wrap) => {
assert.strictEqual(specifier, 'foo');
assert.strictEqual(wrap, m);
return foo;
}),
});
await m.link(common.mustNotCall());
const { result } = await m.evaluate();
assert.strictEqual(foo.namespace, await result);
}
}
async function testInvalid() {
const m = new SourceTextModule('import("foo")', {
importModuleDynamically: common.mustCall((specifier, wrap) => {
return 5;
}),
});
await m.link(common.mustNotCall());
const { result } = await m.evaluate();
await result.catch(common.mustCall((e) => {
assert.strictEqual(e.code, 'ERR_VM_MODULE_NOT_MODULE');
}));
const s = new Script('import("foo")', {
importModuleDynamically: common.mustCall((specifier, wrap) => {
return undefined;
}),
});
let threw = false;
try {
await s.runInThisContext();
} catch (e) {
threw = true;
assert.strictEqual(e.code, 'ERR_VM_MODULE_NOT_MODULE');
}
assert(threw);
}
async function testInvalidimportModuleDynamically() {
assert.throws(
() => new Script(
'import("foo")',
{ importModuleDynamically: false }),
{ code: 'ERR_INVALID_ARG_TYPE' }
);
}
(async function() {
await testNoCallback();
await test();
await testInvalid();
await testInvalidimportModuleDynamically();
}()).then(common.mustCall());