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node-builtins.js
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/**
* @author Toru Nagashima
* See LICENSE file in root directory for full license.
*/
"use strict"
/** @import { Linter } from 'eslint' */
const RuleTester = require("../../../test-helpers").RuleTester
const rule = require("../../../../lib/rules/no-unsupported-features/node-builtins")
/**
* @typedef ValidTestCase
* @property {string} [name]
* @property {string} code
* @property {any} [options]
* @property {string | undefined} [filename]
* @property {boolean} [only]
* @property {Linter.LanguageOptions | undefined} [languageOptions]
* @property {{ [name: string]: any } | undefined} [settings]
*/
/**
* @typedef SuggestionOutput
* @property {string} [messageId]
* @property {string} [desc]
* @property {Record<string, unknown> | undefined} [data]
* @property {string} output
*/
/**
* @typedef InvalidTestExtras
* @property {number | Array<TestCaseError | string>} errors
* @property {string | null | undefined} [output]
*/
/**
* @typedef {ValidTestCase & InvalidTestExtras} InvalidTestCase
*/
/**
* @typedef TestCaseError
* @property {string | RegExp} [message]
* @property {string} [messageId]
* @property {string | undefined} [type]
* @property {any} [data]
* @property {number | undefined} [line]
* @property {number | undefined} [column]
* @property {number | undefined} [endLine]
* @property {number | undefined} [endColumn]
* @property {SuggestionOutput[] | undefined} [suggestions]
*/
/**
* @typedef Pattern
* @property {ValidTestCase[]} [valid]
* @property {InvalidTestCase[]} [invalid]
*/
/**
* Concatenate patterns.
* @param {Pattern[]} patterns The patterns to concat.
* @returns {Pattern} The concatenated patterns.
*/
function concat(patterns) {
const ret = {
valid: [],
invalid: [],
}
for (const { valid, invalid } of patterns) {
ret.valid.push(...valid)
ret.invalid.push(...invalid)
}
return ret
}
new RuleTester({ languageOptions: { sourceType: "module" } }).run(
"no-unsupported-features/node-builtins",
rule,
concat([
//----------------------------------------------------------------------
// assert
//----------------------------------------------------------------------
{
valid: [
{
code: "require('assert').strictEqual()",
options: [{ version: "0.12.0" }],
},
{
code: "var assert = require('assert'); assert(); assert.strictEqual()",
options: [{ version: "0.12.0" }],
},
{
code: "require('assert').deepStrictEqual()",
options: [{ version: "4.0.0" }],
},
{
code: "var assert = require('assert'); assert.deepStrictEqual()",
options: [{ version: "4.0.0" }],
},
{
code: "var { deepStrictEqual } = require('assert'); deepStrictEqual()",
options: [{ version: "4.0.0" }],
},
{
code: "import assert from 'assert'; assert.deepStrictEqual()",
options: [{ version: "4.0.0" }],
},
{
code: "import { deepStrictEqual } from 'assert'; deepStrictEqual()",
options: [{ version: "4.0.0" }],
},
{
code: "require('assert').notDeepStrictEqual()",
options: [{ version: "4.0.0" }],
},
{
code: "require('assert').rejects()",
options: [{ version: "10.0.0" }],
},
{
code: "require('assert').doesNotReject()",
options: [{ version: "10.0.0" }],
},
{
code: "require('assert').strict.rejects()",
options: [{ version: "10.0.0" }],
},
{
code: "require('assert').strict.doesNotReject()",
options: [{ version: "10.0.0" }],
},
{
code: "var assert = require('assert').strict",
options: [{ version: "9.9.0" }],
},
{
code: "var {strict: assert} = require('assert'); assert.rejects()",
options: [{ version: "10.0.0" }],
},
{
code: "require('assert').deepStrictEqual()",
options: [
{
version: "3.9.9",
ignores: ["assert.deepStrictEqual"],
},
],
},
{
code: "var assert = require('assert'); assert.deepStrictEqual()",
options: [
{
version: "3.9.9",
ignores: ["assert.deepStrictEqual"],
},
],
},
{
code: "var { deepStrictEqual } = require('assert'); deepStrictEqual()",
options: [
{
version: "3.9.9",
ignores: ["assert.deepStrictEqual"],
},
],
},
{
code: "import assert from 'assert'; assert.deepStrictEqual()",
options: [
{
version: "3.9.9",
ignores: ["assert.deepStrictEqual"],
},
],
},
{
code: "import { deepStrictEqual } from 'assert'; deepStrictEqual()",
options: [
{
version: "3.9.9",
ignores: ["assert.deepStrictEqual"],
},
],
},
{
code: "require('assert').notDeepStrictEqual()",
options: [
{
version: "3.9.9",
ignores: ["assert.notDeepStrictEqual"],
},
],
},
{
code: "require('assert').rejects()",
options: [
{ version: "9.9.9", ignores: ["assert.rejects"] },
],
},
{
code: "require('assert').doesNotReject()",
options: [
{ version: "9.9.9", ignores: ["assert.doesNotReject"] },
],
},
{
code: "require('assert').strict.rejects()",
options: [
{
version: "9.9.9",
ignores: ["assert.strict.rejects"],
},
],
},
{
code: "require('assert').strict.doesNotReject()",
options: [
{
version: "9.9.9",
ignores: ["assert.strict.doesNotReject"],
},
],
},
{
code: "var assert = require('assert').strict",
options: [{ version: "9.8.9", ignores: ["assert.strict"] }],
},
{
code: "var {strict: assert} = require('assert'); assert.rejects()",
options: [
{
version: "9.8.9",
ignores: ["assert.strict", "assert.strict.rejects"],
},
],
},
{
code: "const { CallTracker } = require('assert'); new CallTracker();",
options: [
{ version: "14.2.0", ignores: ["assert.CallTracker"] },
],
},
{
code: "import { CallTracker } from 'assert'; new CallTracker();",
options: [
{ version: "14.2.0", ignores: ["assert.CallTracker"] },
],
},
{
code: "const assert = require('node:assert'); assert.deepStrictEqual()",
options: [{ version: "12.20.0" }],
},
{
code: "import assert from 'node:assert'; assert.deepStrictEqual()",
options: [{ version: "14.13.1" }],
},
{
code: "require('node:assert').match()",
options: [
{
version: "15.0.0",
ignores: ["assert.match"],
},
],
},
{
code: "new Buffer(123)",
options: [{ version: "6.0.0" }],
},
],
invalid: [
{
code: "require('assert').deepStrictEqual()",
options: [{ version: "1.1.0" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "assert.deepStrictEqual",
supported: "1.2.0",
version: "1.1.0",
},
},
],
},
{
code: "var assert = require('assert'); assert.deepStrictEqual()",
options: [{ version: "1.1.0" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "assert.deepStrictEqual",
supported: "1.2.0",
version: "1.1.0",
},
},
],
},
{
code: "var { deepStrictEqual } = require('assert'); deepStrictEqual()",
options: [{ version: "1.1.0" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "assert.deepStrictEqual",
supported: "1.2.0",
version: "1.1.0",
},
},
],
},
{
code: "import assert from 'assert'; assert.deepStrictEqual()",
options: [{ version: "1.1.0" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "assert.deepStrictEqual",
supported: "1.2.0",
version: "1.1.0",
},
},
],
},
{
code: "import { deepStrictEqual } from 'assert'; deepStrictEqual()",
options: [{ version: "1.1.0" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "assert.deepStrictEqual",
supported: "1.2.0",
version: "1.1.0",
},
},
],
},
{
code: "require('assert').notDeepStrictEqual()",
options: [{ version: "1.1.0" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "assert.notDeepStrictEqual",
supported: "1.2.0",
version: "1.1.0",
},
},
],
},
{
code: "require('assert').rejects()",
options: [{ version: "9.9.9" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "assert.rejects",
supported: "10.0.0",
version: "9.9.9",
},
},
],
},
{
code: "require('assert').doesNotReject()",
options: [{ version: "9.9.9" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "assert.doesNotReject",
supported: "10.0.0",
version: "9.9.9",
},
},
],
},
{
code: "require('assert').strict.rejects()",
options: [{ version: "9.9.9" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "assert.strict.rejects",
supported: "10.0.0",
version: "9.9.9",
},
},
],
},
{
code: "require('assert').strict.doesNotReject()",
options: [{ version: "9.9.9" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "assert.strict.doesNotReject",
supported: "10.0.0",
version: "9.9.9",
},
},
],
},
{
code: "var assert = require('assert').strict",
options: [{ version: "9.8.9" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "assert.strict",
supported: "9.9.0 (backported: ^8.13.0)",
version: "9.8.9",
},
},
],
},
{
code: "var {strict: assert} = require('assert'); assert.rejects()",
options: [{ version: "9.8.9" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "assert.strict",
supported: "9.9.0 (backported: ^8.13.0)",
version: "9.8.9",
},
},
{
messageId: "not-supported-till",
data: {
name: "assert.strict.rejects",
supported: "10.0.0",
version: "9.8.9",
},
},
],
},
{
code: "const { CallTracker } = require('assert'); new CallTracker();",
options: [{ version: "14.2.0" }],
errors: [
{
messageId: "not-supported-yet",
data: {
name: "assert.CallTracker",
version: "14.2.0",
},
},
],
},
{
code: "import { CallTracker } from 'assert'; new CallTracker();",
options: [{ version: "14.2.0" }],
errors: [
{
messageId: "not-supported-yet",
data: {
name: "assert.CallTracker",
version: "14.2.0",
},
},
],
},
{
code: "require('node:assert').deepStrictEqual()",
options: [{ version: "3.9.9" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "assert",
supported: "14.13.1 (backported: ^12.20.0)",
version: "3.9.9",
},
},
],
},
{
code: "import assert from 'node:assert';",
options: [{ version: "3.9.9" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "assert",
supported: "14.13.1 (backported: ^12.20.0)",
version: "3.9.9",
},
},
],
},
],
},
//----------------------------------------------------------------------
// async_hooks
//----------------------------------------------------------------------
{
valid: [
{
code: "require('async_hooks')",
options: [{ version: "16.4.0" }],
},
{
code: "import hooks from 'async_hooks'",
options: [{ version: "16.4.0" }],
},
{
code: "const { AsyncLocalStorage } = require('async_hooks'); new AsyncLocalStorage();",
options: [{ version: "16.4.0" }],
},
{
code: "import hooks from 'async_hooks'; new hooks.AsyncLocalStorage();",
options: [{ version: "16.4.0" }],
},
// Ignores
...[
"require('async_hooks')",
"import hooks from 'async_hooks'",
"require('async_hooks').createHook()",
"const hooks = require('async_hooks'); hooks.createHook()",
"const { createHook } = require('async_hooks'); createHook()",
"import * as hooks from 'async_hooks'; hooks.createHook()",
"import hooks from 'async_hooks'; hooks.createHook()",
"import { createHook } from 'async_hooks'; createHook()",
"new require('async_hooks').AsyncLocalStorage()",
"const hooks = require('async_hooks'); new hooks.AsyncLocalStorage()",
"const { AsyncLocalStorage } = require('async_hooks'); new AsyncLocalStorage()",
"import * as hooks from 'async_hooks'; new hooks.AsyncLocalStorage()",
"import hooks from 'async_hooks'; new hooks.AsyncLocalStorage()",
"import { AsyncLocalStorage } from 'async_hooks'; new AsyncLocalStorage()",
"require('node:async_hooks').createHook()",
"const hooks = require('node:async_hooks'); hooks.createHook()",
"const { createHook } = require('node:async_hooks'); createHook()",
"import * as hooks from 'node:async_hooks'; hooks.createHook()",
"import hooks from 'node:async_hooks'; hooks.createHook()",
"import { createHook } from 'node:async_hooks'; createHook()",
"new require('node:async_hooks').AsyncLocalStorage()",
"const hooks = require('node:async_hooks'); new hooks.AsyncLocalStorage()",
"const { AsyncLocalStorage } = require('node:async_hooks'); new AsyncLocalStorage()",
"import * as hooks from 'node:async_hooks'; new hooks.AsyncLocalStorage()",
"import hooks from 'node:async_hooks'; new hooks.AsyncLocalStorage()",
"import { AsyncLocalStorage } from 'node:async_hooks'; new AsyncLocalStorage()",
].map(code => ({
code: code,
options: [
{
version: "14.0.0",
ignores: [
"async_hooks",
"async_hooks.createHook",
"async_hooks.AsyncLocalStorage",
],
},
],
})),
{
code: "require('node:async_hooks')",
options: [{ version: "16.4.0" }],
},
{
code: "import hooks from 'node:async_hooks'",
options: [{ version: "16.4.0" }],
},
{
code: "require('node:async_hooks')",
options: [{ version: "12.0.0", ignores: ["async_hooks"] }],
},
{
code: "import hooks from 'node:async_hooks'",
options: [{ version: "12.0.0", ignores: ["async_hooks"] }],
},
],
invalid: [
...[
"require('async_hooks')",
"import hooks from 'async_hooks'",
].map(code => ({
code: code,
options: [{ version: "7.9.9" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "async_hooks",
supported: "16.4.0",
version: "7.9.9",
},
},
],
})),
...[
"require('async_hooks').createHook()",
"const { createHook } = require('async_hooks')",
"const { createHook } = require('async_hooks'); createHook()",
"const hooks = require('async_hooks'); hooks.createHook()",
"import { createHook } from 'async_hooks'",
"import { createHook } from 'async_hooks'; createHook()",
"import async_hooks from 'async_hooks'; async_hooks.createHook()",
].map(code => ({
code: code,
options: [{ version: "16.5.0" }],
errors: [
{
messageId: "not-supported-yet",
data: {
name: "async_hooks.createHook",
version: "16.5.0",
},
},
],
})),
...[
// "new require('async_hooks').AsyncLocalStorage()",
"const hooks = require('async_hooks'); new hooks.AsyncLocalStorage()",
// "const { AsyncLocalStorage } = require('async_hooks'); new AsyncLocalStorage()",
"import * as hooks from 'async_hooks'; new hooks.AsyncLocalStorage()",
"import hooks from 'async_hooks'; new hooks.AsyncLocalStorage()",
"import { AsyncLocalStorage } from 'async_hooks'; new AsyncLocalStorage()",
].map(code => ({
code: code,
options: [{ version: "13.9.0" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "async_hooks",
supported: "16.4.0",
version: "13.9.0",
},
},
{
messageId: "not-supported-till",
data: {
name: "async_hooks.AsyncLocalStorage",
supported: "16.4.0",
version: "13.9.0",
},
},
],
})),
{
code: "require('node:async_hooks')",
options: [{ version: "7.9.9" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "async_hooks",
supported: "16.4.0",
version: "7.9.9",
},
},
],
},
{
code: "import hooks from 'node:async_hooks'",
options: [{ version: "7.9.9" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "async_hooks",
supported: "16.4.0",
version: "7.9.9",
},
},
],
},
],
},
//----------------------------------------------------------------------
// buffer
//----------------------------------------------------------------------
{
valid: [
{
code: "Buffer.alloc",
options: [{ version: "4.5.0" }],
},
{
code: "Buffer.allocUnsafe",
options: [{ version: "4.5.0" }],
},
{
code: "Buffer.allocUnsafeSlow",
options: [{ version: "4.5.0" }],
},
{
code: "Buffer.from",
options: [{ version: "4.5.0" }],
},
{
code: "require('buffer').constants",
options: [{ version: "8.2.0" }],
},
{
code: "var cp = require('buffer'); cp.constants",
options: [{ version: "8.2.0" }],
},
{
code: "var { constants } = require('buffer');",
options: [{ version: "8.2.0" }],
},
{
code: "import cp from 'buffer'; cp.constants",
options: [{ version: "8.2.0" }],
},
{
code: "import { constants } from 'buffer'",
options: [{ version: "8.2.0" }],
},
{
code: "var {Buffer: b} = require('buffer'); b.alloc",
options: [{ version: "4.5.0" }],
},
{
code: "var {Buffer: b} = require('buffer'); b.allocUnsafe",
options: [{ version: "4.5.0" }],
},
{
code: "var {Buffer: b} = require('buffer'); b.allocUnsafeSlow",
options: [{ version: "4.5.0" }],
},
{
code: "var {Buffer: b} = require('buffer'); b.from",
options: [{ version: "4.5.0" }],
},
{
code: "require('buffer').kMaxLength",
options: [{ version: "3.0.0" }],
},
{
code: "require('buffer').transcode",
options: [{ version: "7.1.0" }],
},
// Ignores
{
code: "Buffer.alloc",
options: [{ version: "4.4.9", ignores: ["Buffer.alloc"] }],
},
{
code: "Buffer.allocUnsafe",
options: [
{ version: "4.4.9", ignores: ["Buffer.allocUnsafe"] },
],
},
{
code: "Buffer.allocUnsafeSlow",
options: [
{
version: "4.4.9",
ignores: ["Buffer.allocUnsafeSlow"],
},
],
},
{
code: "Buffer.from",
options: [{ version: "4.4.9", ignores: ["Buffer.from"] }],
},
{
code: "require('buffer').constants",
options: [
{ version: "8.1.9", ignores: ["buffer.constants"] },
],
},
{
code: "var cp = require('buffer'); cp.constants",
options: [
{ version: "8.1.9", ignores: ["buffer.constants"] },
],
},
{
code: "var { constants } = require('buffer');",
options: [
{ version: "8.1.9", ignores: ["buffer.constants"] },
],
},
{
code: "import cp from 'buffer'; cp.constants",
options: [
{ version: "8.1.9", ignores: ["buffer.constants"] },
],
},
{
code: "import { constants } from 'buffer'",
options: [
{ version: "8.1.9", ignores: ["buffer.constants"] },
],
},
{
code: "var {Buffer: b} = require('buffer'); b.alloc",
options: [
{ version: "4.4.9", ignores: ["buffer.Buffer.alloc"] },
],
},
{
code: "var {Buffer: b} = require('buffer'); b.allocUnsafe",
options: [
{
version: "4.4.9",
ignores: ["buffer.Buffer.allocUnsafe"],
},
],
},
{
code: "var {Buffer: b} = require('buffer'); b.allocUnsafeSlow",
options: [
{
version: "4.4.9",
ignores: ["buffer.Buffer.allocUnsafeSlow"],
},
],
},
{
code: "var {Buffer: b} = require('buffer'); b.from",
options: [
{ version: "4.4.9", ignores: ["buffer.Buffer.from"] },
],
},
{
code: "require('buffer').kMaxLength",
options: [
{ version: "2.9.9", ignores: ["buffer.kMaxLength"] },
],
},
{
code: "require('buffer').transcode",
options: [
{ version: "7.0.9", ignores: ["buffer.transcode"] },
],
},
{
code: "const { Blob } = require('buffer'); new Blob();",
options: [{ version: "15.7.0", ignores: ["buffer.Blob"] }],
},
{
code: "import buffer from 'buffer'; new buffer.Blob();",
options: [{ version: "15.7.0", ignores: ["buffer.Blob"] }],
},
],
invalid: [
{
code: "Buffer.alloc",
options: [{ version: "4.4.9" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "Buffer.alloc",
supported: "5.10.0 (backported: ^4.5.0)",
version: "4.4.9",
},
},
],
},
{
code: "Buffer.allocUnsafe",
options: [{ version: "4.4.9" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "Buffer.allocUnsafe",
supported: "5.10.0 (backported: ^4.5.0)",
version: "4.4.9",
},
},
],
},
{
code: "Buffer.allocUnsafeSlow",
options: [{ version: "4.4.9" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "Buffer.allocUnsafeSlow",
supported: "5.12.0 (backported: ^4.5.0)",
version: "4.4.9",
},
},
],
},
{
code: "Buffer.from",
options: [{ version: "4.4.9" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "Buffer.from",
supported: "5.10.0 (backported: ^4.5.0)",
version: "4.4.9",
},
},
],
},
{
code: "require('buffer').constants",
options: [{ version: "8.1.9" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "buffer.constants",
supported: "8.2.0",
version: "8.1.9",
},
},
],
},
{
code: "var cp = require('buffer'); cp.constants",
options: [{ version: "8.1.9" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "buffer.constants",
supported: "8.2.0",
version: "8.1.9",
},
},
],
},
{
code: "var { constants } = require('buffer');",
options: [{ version: "8.1.9" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "buffer.constants",
supported: "8.2.0",
version: "8.1.9",
},
},
],
},
{
code: "import cp from 'buffer'; cp.constants",
options: [{ version: "8.1.9" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "buffer.constants",
supported: "8.2.0",
version: "8.1.9",
},
},
],
},
{
code: "import { constants } from 'buffer'",
options: [{ version: "8.1.9" }],
errors: [
{
messageId: "not-supported-till",
data: {
name: "buffer.constants",
supported: "8.2.0",
version: "8.1.9",
},
},
],
},
{
code: "var {Buffer: b} = require('buffer'); b.alloc",
options: [{ version: "4.4.9" }],
errors: [
{