klz-cables.com/.pnpm-store/v10/files/84/0b9ace3647206f73f86f87e3be412f70af5d20d70bf1b504fbb11ff4d46e0f53352f32e1321a05a9f84aa834b78ab97f9e11ca94525f0056a61c214048e91e

import { describe, expect, it } from 'vitest';
import { isolateObjectProperty } from './isolateObjectProperty.js';
describe('isolateObjectProperty', ()=>{
    describe('basic isolation behavior', ()=>{
        it('should isolate specified property from the original object', ()=>{
            const original = {
                a: 1,
                b: 2
            };
            const proxy = isolateObjectProperty(original, 'a');
            proxy.a = 100;
            expect(proxy.a).toBe(100);
            expect(original.a).toBe(1); // Original unchanged
        });
        it('should share non-isolated properties with the original object', ()=>{
            const original = {
                a: 1,
                b: 2
            };
            const proxy = isolateObjectProperty(original, 'a');
            proxy.b = 200;
            expect(proxy.b).toBe(200);
            expect(original.b).toBe(200); // Original also changed
        });
        it('should support isolating multiple properties', ()=>{
            const original = {
                a: 1,
                b: 2,
                c: 3
            };
            const proxy = isolateObjectProperty(original, [
                'a',
                'b'
            ]);
            proxy.a = 100;
            proxy.b = 200;
            expect(proxy.a).toBe(100);
            expect(proxy.b).toBe(200);
            expect(original.a).toBe(1);
            expect(original.b).toBe(2);
        });
        it('should support deleting isolated properties', ()=>{
            const original = {
                a: 1,
                b: 2
            };
            const proxy = isolateObjectProperty(original, 'a');
            delete proxy.a;
            expect('a' in proxy).toBe(false);
            expect('a' in original).toBe(true); // Original still has it
        });
        it('should support "in" operator for isolated properties', ()=>{
            const original = {
                a: 1,
                b: 2
            };
            const proxy = isolateObjectProperty(original, 'a');
            expect('a' in proxy).toBe(true);
            expect('b' in proxy).toBe(true);
            delete proxy.a;
            expect('a' in proxy).toBe(false);
        });
    });
    describe('private field access (Node 24+ compatibility)', ()=>{
        /**
     * Class with private fields to test that the proxy correctly handles
     * getters/setters that access private fields (Node 24+ compatibility).
     */ class ObjectWithPrivateFields {
            #privateValue;
            constructor(value){
                this.#privateValue = value;
            }
            get value() {
                return this.#privateValue;
            }
            set value(newValue) {
                this.#privateValue = newValue;
            }
        }
        it('should allow reading properties via getters that access private fields when not isolated', ()=>{
            const original = new ObjectWithPrivateFields('secret');
            expect(original.value).toBe('secret');
        });
        it('should allow reading properties via getters that access private fields', ()=>{
            const original = new ObjectWithPrivateFields('secret');
            const proxy = isolateObjectProperty(original, 'nonExistentKey');
            // This would throw "Cannot read private member" if receiver is wrong
            expect(proxy.value).toBe('secret');
        });
        it('should allow writing properties via setters that access private fields', ()=>{
            const original = new ObjectWithPrivateFields('secret');
            const proxy = isolateObjectProperty(original, 'nonExistentKey');
            // This would throw "Cannot write private member" if receiver is wrong
            proxy.value = 'updated';
            expect(proxy.value).toBe('updated');
            expect(original.value).toBe('updated');
        });
        it('should work with Headers-like objects (simulating Request.headers)', ()=>{
            // Simulate a Request-like object with headers
            class MockRequest {
                #headers;
                constructor(){
                    this.#headers = new Headers({
                        'content-type': 'application/json'
                    });
                }
                get headers() {
                    return this.#headers;
                }
            }
            const request = new MockRequest();
            const proxy = isolateObjectProperty(request, 'nonExistentKey');
            // This simulates what happens in createLocalReq when checking req.headers
            expect(proxy.headers).toBeInstanceOf(Headers);
            expect(proxy.headers.get('content-type')).toBe('application/json');
        });
    });
});

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