56 lines
1.8 KiB
JavaScript
56 lines
1.8 KiB
JavaScript
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import { describe, afterEach, test, expect } from "vitest";
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import freeze from "./freeze.js";
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describe("freeze", () => {
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afterEach(() => {
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delete process.env.NODE_ENV;
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});
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test("freezes objects", () => {
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const object = {};
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freeze(object);
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expect(Object.isFrozen(object)).to.be.true;
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});
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test("freezes nested objects", () => {
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const object = { foo: { bar: 3 } };
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freeze(object);
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expect(Object.isFrozen(object.foo)).to.be.true;
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});
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test("freezes nested arrays", () => {
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const object = [[0]];
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freeze(object);
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expect(Object.isFrozen(object)).to.be.true;
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expect(Object.isFrozen(object[0])).to.be.true;
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});
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test("ignores functions", () => {
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const object = { foo: () => 1 };
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freeze(object);
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expect(Object.isFrozen(object.foo)).to.be.false;
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});
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test("ignores regexps", () => {
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const object = { foo: /\d/ };
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freeze(object);
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expect(Object.isFrozen(object.foo)).to.be.false;
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});
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test("does not freeze children if the parent is already frozen", () => {
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const object = { foo: {} };
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Object.freeze(object);
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freeze(object);
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expect(Object.isFrozen(object.foo)).to.be.false;
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});
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test("does not freeze in production", () => {
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process.env.NODE_ENV = "production";
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const object = {};
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freeze(object);
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expect(Object.isFrozen(object)).to.be.false;
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});
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test("handles null objects", () => {
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const object = { foo: null };
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freeze(object);
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expect(Object.isFrozen(object)).to.be.true;
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});
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test("returns the same object", () => {
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const object = {};
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const result = freeze(object);
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expect(result).to.equal(object);
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});
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});
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//# sourceMappingURL=freeze.test.js.map
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