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vm: support parsing a script in a specific context
PR-URL: nodejs/node#14888 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Ben Noordhuis <[email protected]> Reviewed-By: Eugene Ostroukhov <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| 'use strict'; | ||
| const common = require('../common'); | ||
| common.skipIfInspectorDisabled(); | ||
| common.crashOnUnhandledRejection(); | ||
| const { NodeInstance } = require('./inspector-helper.js'); | ||
| const assert = require('assert'); | ||
|
|
||
| const script = ` | ||
| 'use strict'; | ||
| const assert = require('assert'); | ||
| const vm = require('vm'); | ||
| const { kParsingContext } = process.binding('contextify'); | ||
| debugger; | ||
| global.outer = true; | ||
| global.inner = false; | ||
| const context = vm.createContext({ | ||
| outer: false, | ||
| inner: true | ||
| }); | ||
| debugger; | ||
| const scriptMain = new vm.Script("outer"); | ||
| debugger; | ||
| const scriptContext = new vm.Script("inner", { | ||
| [kParsingContext]: context | ||
| }); | ||
| debugger; | ||
| assert.strictEqual(scriptMain.runInThisContext(), true); | ||
| assert.strictEqual(scriptMain.runInContext(context), false); | ||
| assert.strictEqual(scriptContext.runInThisContext(), false); | ||
| assert.strictEqual(scriptContext.runInContext(context), true); | ||
| debugger; | ||
| vm.runInContext('inner', context); | ||
| debugger; | ||
| vm.runInNewContext('Array', {}); | ||
| debugger; | ||
| `; | ||
|
|
||
| async function getContext(session) { | ||
| const created = | ||
| await session.waitForNotification('Runtime.executionContextCreated'); | ||
| return created.params.context; | ||
| } | ||
|
|
||
| async function checkScriptContext(session, context) { | ||
| const scriptParsed = | ||
| await session.waitForNotification('Debugger.scriptParsed'); | ||
| assert.strictEqual(scriptParsed.params.executionContextId, context.id); | ||
| } | ||
|
|
||
| async function runTests() { | ||
| const instance = new NodeInstance(['--inspect-brk=0', '--expose-internals'], | ||
| script); | ||
| const session = await instance.connectInspectorSession(); | ||
| await session.send([ | ||
| { 'method': 'Debugger.enable' }, | ||
| { 'method': 'Runtime.runIfWaitingForDebugger' } | ||
| ]); | ||
| await session.waitForBreakOnLine(5, '[eval]'); | ||
|
|
||
| await session.send({ 'method': 'Runtime.enable' }); | ||
| const topContext = await getContext(session); | ||
| await session.send({ 'method': 'Debugger.resume' }); | ||
| const childContext = await getContext(session); | ||
| await session.waitForBreakOnLine(13, '[eval]'); | ||
|
|
||
| console.error('[test]', 'Script associated with current context by default'); | ||
| await session.send({ 'method': 'Debugger.resume' }); | ||
| await checkScriptContext(session, topContext); | ||
| await session.waitForBreakOnLine(16, '[eval]'); | ||
|
|
||
| console.error('[test]', 'Script associated with selected context'); | ||
| await session.send({ 'method': 'Debugger.resume' }); | ||
| await checkScriptContext(session, childContext); | ||
| await session.waitForBreakOnLine(21, '[eval]'); | ||
|
|
||
| console.error('[test]', 'Script is unbound'); | ||
| await session.send({ 'method': 'Debugger.resume' }); | ||
| await session.waitForBreakOnLine(27, '[eval]'); | ||
|
|
||
| console.error('[test]', 'vm.runInContext associates script with context'); | ||
| await session.send({ 'method': 'Debugger.resume' }); | ||
| await checkScriptContext(session, childContext); | ||
| await session.waitForBreakOnLine(30, '[eval]'); | ||
|
|
||
| console.error('[test]', 'vm.runInNewContext associates script with context'); | ||
| await session.send({ 'method': 'Debugger.resume' }); | ||
| const thirdContext = await getContext(session); | ||
| await checkScriptContext(session, thirdContext); | ||
| await session.waitForBreakOnLine(33, '[eval]'); | ||
|
|
||
| await session.runToCompletion(); | ||
| assert.strictEqual(0, (await instance.expectShutdown()).exitCode); | ||
| } | ||
|
|
||
| runTests(); |