mirror of
https://github.com/oven-sh/bun
synced 2026-02-09 10:28:47 +00:00
74f9fabd01
* Add formatWithOptions * tests and tweaks * adjust --------- Co-authored-by: Jarred Sumner <jarred@jarredsumner.com>
329 lines
12 KiB
JavaScript
329 lines
12 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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// Tests adapted from https://github.com/nodejs/node/blob/main/test/parallel/test-util.js
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import { expect, describe, it } from "bun:test";
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import util from "util";
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import assert from "assert";
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// const context = require('vm').runInNewContext; // TODO: Use a vm polyfill
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const strictEqual = (...args) => {
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expect(args[0]).toStrictEqual(args[1]);
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};
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const deepStrictEqual = (...args) => {
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expect(args[0]).toEqual(args[1]);
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};
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// Tests adapted from https://github.com/nodejs/node/blob/main/test/parallel/test-util.js
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describe("util", () => {
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it("toUSVString", () => {
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const strings = [
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// Lone high surrogate
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"ab\uD800",
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"ab\uD800c",
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// Lone low surrogate
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"\uDFFFab",
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"c\uDFFFab",
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// Well-formed
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"abc",
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"ab\uD83D\uDE04c",
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];
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const outputs = ["ab<61>", "ab<61>c", "<22>ab", "c<>ab", "abc", "ab😄c"];
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for (let i = 0; i < strings.length; i++) {
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expect(util.toUSVString(strings[i])).toBe(outputs[i]);
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}
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});
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describe("isArray", () => {
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it("all cases", () => {
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strictEqual(util.isArray([]), true);
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strictEqual(util.isArray(Array()), true);
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strictEqual(util.isArray(new Array()), true);
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strictEqual(util.isArray(new Array(5)), true);
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strictEqual(util.isArray(new Array("with", "some", "entries")), true);
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// strictEqual(util.isArray(context('Array')()), true); unable to test due to dependency on context
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strictEqual(util.isArray({}), false);
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strictEqual(util.isArray({ push: function () {} }), false);
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strictEqual(util.isArray(/regexp/), false);
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strictEqual(util.isArray(new Error()), false);
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strictEqual(util.isArray(Object.create(Array.prototype)), false);
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});
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});
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describe("isRegExp", () => {
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it("all cases", () => {
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strictEqual(util.isRegExp(/regexp/), true);
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strictEqual(util.isRegExp(RegExp(), "foo"), true);
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strictEqual(util.isRegExp(new RegExp()), true);
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// strictEqual(util.isRegExp(context("RegExp")()), true); unable to test due to dependency on context
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strictEqual(util.isRegExp({}), false);
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strictEqual(util.isRegExp([]), false);
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strictEqual(util.isRegExp(new Date()), false);
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strictEqual(util.isRegExp(Object.create(RegExp.prototype)), false);
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});
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});
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describe("isDate", () => {
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it("all cases", () => {
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strictEqual(util.isDate(new Date()), true);
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strictEqual(util.isDate(new Date(0), "foo"), true);
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// strictEqual(util.isDate(new (context("Date"))()), true); unable to test due to dependency on context
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strictEqual(util.isDate(Date()), false);
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strictEqual(util.isDate({}), false);
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strictEqual(util.isDate([]), false);
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strictEqual(util.isDate(new Error()), false);
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strictEqual(util.isDate(Object.create(Date.prototype)), false);
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});
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});
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describe("isError", () => {
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it("all cases", () => {
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strictEqual(util.isError(new Error()), true);
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strictEqual(util.isError(new TypeError()), true);
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strictEqual(util.isError(new SyntaxError()), true);
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// strictEqual(util.isError(new (context("Error"))()), true); unable to test due to dependency on context
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// strictEqual(util.isError(new (context("TypeError"))()), true); unable to test due to dependency on context
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// strictEqual(util.isError(new (context("SyntaxError"))()), true); unable to test due to dependency on context
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strictEqual(util.isError({}), false);
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strictEqual(util.isError({ name: "Error", message: "" }), false);
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strictEqual(util.isError([]), false);
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strictEqual(util.isError(Object.create(Error.prototype)), true);
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let err1 = {};
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err1.__proto__ = Error.prototype;
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strictEqual(util.isError(err1), true);
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let err2 = {};
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err2[Symbol.toStringTag] = "Error";
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strictEqual(util.isError(err2), true);
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let err3 = {};
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err3[Symbol.toStringTag] = "[object Error]";
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strictEqual(util.isError(err3), false);
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let err4 = {};
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err4.toString = () => "[object Error]";
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strictEqual(util.isError(err4), false);
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let err5 = {};
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err5.toString = () => "Error";
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strictEqual(util.isError(err5), false);
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class Error2 extends Error {}
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let err6 = new Error2();
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strictEqual(util.isError(err6), true);
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let err7 = {};
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err7.name = "Error";
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strictEqual(util.isError(err7), false);
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class Error3 extends Error2 {}
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let err8 = new Error3();
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strictEqual(util.isError(err8), true);
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});
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});
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describe("isObject", () => {
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it("all cases", () => {
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strictEqual(util.isObject({}), true);
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strictEqual(util.isObject([]), true);
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strictEqual(util.isObject(new Number(3)), true);
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strictEqual(util.isObject(Number(4)), false);
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strictEqual(util.isObject(1), false);
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});
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});
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describe("isPrimitive", () => {
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it("all cases", () => {
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strictEqual(util.isPrimitive({}), false);
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strictEqual(util.isPrimitive(new Error()), false);
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strictEqual(util.isPrimitive(new Date()), false);
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strictEqual(util.isPrimitive([]), false);
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strictEqual(util.isPrimitive(/regexp/), false);
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strictEqual(
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util.isPrimitive(function () {}),
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false,
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);
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strictEqual(util.isPrimitive(new Number(1)), false);
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strictEqual(util.isPrimitive(new String("bla")), false);
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strictEqual(util.isPrimitive(new Boolean(true)), false);
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strictEqual(util.isPrimitive(1), true);
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strictEqual(util.isPrimitive("bla"), true);
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strictEqual(util.isPrimitive(true), true);
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strictEqual(util.isPrimitive(undefined), true);
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strictEqual(util.isPrimitive(null), true);
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strictEqual(util.isPrimitive(Infinity), true);
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strictEqual(util.isPrimitive(NaN), true);
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strictEqual(util.isPrimitive(Symbol("symbol")), true);
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});
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});
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describe("isBuffer", () => {
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it("all cases", () => {
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strictEqual(util.isBuffer("foo"), false);
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strictEqual(util.isBuffer(Buffer.from("foo")), true);
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});
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});
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describe("_extend", () => {
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it("all cases", () => {
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deepStrictEqual(util._extend({ a: 1 }), { a: 1 });
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deepStrictEqual(util._extend({ a: 1 }, []), { a: 1 });
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deepStrictEqual(util._extend({ a: 1 }, null), { a: 1 });
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deepStrictEqual(util._extend({ a: 1 }, true), { a: 1 });
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deepStrictEqual(util._extend({ a: 1 }, false), { a: 1 });
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deepStrictEqual(util._extend({ a: 1 }, { b: 2 }), { a: 1, b: 2 });
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deepStrictEqual(util._extend({ a: 1, b: 2 }, { b: 3 }), { a: 1, b: 3 });
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});
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});
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describe("isBoolean", () => {
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it("all cases", () => {
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strictEqual(util.isBoolean(true), true);
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strictEqual(util.isBoolean(false), true);
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strictEqual(util.isBoolean("string"), false);
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});
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});
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describe("isNull", () => {
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it("all cases", () => {
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strictEqual(util.isNull(null), true);
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strictEqual(util.isNull(undefined), false);
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strictEqual(util.isNull(), false);
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strictEqual(util.isNull("string"), false);
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});
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});
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describe("isUndefined", () => {
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it("all cases", () => {
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strictEqual(util.isUndefined(undefined), true);
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strictEqual(util.isUndefined(), true);
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strictEqual(util.isUndefined(null), false);
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strictEqual(util.isUndefined("string"), false);
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});
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});
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describe("isNullOrUndefined", () => {
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it("all cases", () => {
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strictEqual(util.isNullOrUndefined(null), true);
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strictEqual(util.isNullOrUndefined(undefined), true);
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strictEqual(util.isNullOrUndefined(), true);
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strictEqual(util.isNullOrUndefined("string"), false);
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});
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});
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describe("isNumber", () => {
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it("all cases", () => {
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strictEqual(util.isNumber(42), true);
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strictEqual(util.isNumber(), false);
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strictEqual(util.isNumber("string"), false);
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});
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});
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describe("isString", () => {
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it("all cases", () => {
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strictEqual(util.isString("string"), true);
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strictEqual(util.isString(), false);
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strictEqual(util.isString(42), false);
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});
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});
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describe("isSymbol", () => {
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it("all cases", () => {
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strictEqual(util.isSymbol(Symbol()), true);
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strictEqual(util.isSymbol(), false);
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strictEqual(util.isSymbol("string"), false);
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});
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});
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describe("isFunction", () => {
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it("all cases", () => {
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strictEqual(
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util.isFunction(() => {}),
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true,
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);
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strictEqual(
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util.isFunction(function () {}),
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true,
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);
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strictEqual(util.isFunction(), false);
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strictEqual(util.isFunction("string"), false);
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});
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});
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describe("types.isNativeError", () => {
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it("all cases", () => {
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strictEqual(util.types.isNativeError(new Error()), true);
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strictEqual(util.types.isNativeError(new TypeError()), true);
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strictEqual(util.types.isNativeError(new SyntaxError()), true);
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// TODO: unable to test due to dependency on context
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// strictEqual(util.types.isNativeError(new (context("Error"))()), true);
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// strictEqual(util.types.isNativeError(new (context("TypeError"))()), true);
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// strictEqual(
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// util.types.isNativeError(new (context("SyntaxError"))()),
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// true
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// );
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strictEqual(util.types.isNativeError({}), false);
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strictEqual(util.types.isNativeError({ name: "Error", message: "" }), false);
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strictEqual(util.types.isNativeError([]), false);
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// strictEqual( // FIXME: failing test
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// util.types.isNativeError(Object.create(Error.prototype)),
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// false
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// );
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// strictEqual( // FIXME: failing test
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// util.types.isNativeError(new errors.codes.ERR_IPC_CHANNEL_CLOSED()),
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// true
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// );
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});
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});
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// describe("", () => {
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// it("all cases", () => {
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// strictEqual(util.toUSVString("string\ud801"), "string\ufffd"); // TODO: currently unsupported
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// });
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// });
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describe("TextEncoder", () => {
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// test/bun.js/text-encoder.test.js covers test cases for TextEncoder
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// here we test only if we use the same via util.TextEncoder
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it("is same as global TextEncoder", () => {
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expect(util.TextEncoder === globalThis.TextEncoder).toBe(true);
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});
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});
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describe("TextDecoder", () => {
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// test/bun.js/text-decoder.test.js covers test cases for TextDecoder
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// here we test only if we use the same via util.TextDecoder
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it("is same as global TextDecoder", () => {
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expect(util.TextDecoder === globalThis.TextDecoder).toBe(true);
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});
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});
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it("format", () => {
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expect(util.format("%s:%s", "foo")).toBe("foo:%s");
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});
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it("formatWithOptions", () => {
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expect(util.formatWithOptions({ colors: true }, "%s:%s", "foo")).toBe("foo:%s");
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expect(util.formatWithOptions({ colors: true }, "wow(%o)", { obj: true })).toBe(
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"wow({ obj: \u001B[33mtrue\u001B[39m })",
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);
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});
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});
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