depguard/dist/__tests__/package-managers/npm.test.js

A powerful CLI tool to check and update npm/yarn dependencies in your projects

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const child_process_1 = require("child_process");
const npm_1 = require("../../package-managers/npm");
jest.mock('child_process', () => ({
    execSync: jest.fn()
}));
describe('NpmPackageManager', () => {
    let manager;
    beforeEach(() => {
        manager = new npm_1.NpmPackageManager();
        jest.clearAllMocks();
    });
    describe('getLatestVersion', () => {
        it('should return latest version when successful', async () => {
            child_process_1.execSync.mockReturnValue('2.0.0\n');
            const result = await manager.getLatestVersion('test-package');
            expect(result).toBe('2.0.0');
            expect(child_process_1.execSync).toHaveBeenCalledWith('npm view test-package version', { encoding: 'utf-8' });
        });
        it('should return null when version fetch fails', async () => {
            child_process_1.execSync.mockImplementation(() => {
                throw new Error('Failed to fetch version');
            });
            const result = await manager.getLatestVersion('test-package');
            expect(result).toBeNull();
            // Reset mock after error test
            child_process_1.execSync.mockReset();
        });
    });
    describe('updatePackage', () => {
        it('should execute npm install command', async () => {
            child_process_1.execSync.mockReturnValue(undefined);
            await manager.updatePackage('test-package', '2.0.0');
            expect(child_process_1.execSync).toHaveBeenCalledWith('npm install test-package@2.0.0', { stdio: 'inherit' });
        });
    });
    describe('updateAllPackages', () => {
        it('should execute npm install command with multiple packages', async () => {
            child_process_1.execSync.mockReturnValue(undefined);
            await manager.updateAllPackages([
                { name: 'package1', version: '1.0.0' },
                { name: 'package2', version: '2.0.0' }
            ]);
            expect(child_process_1.execSync).toHaveBeenCalledWith('npm install package1@1.0.0 package2@2.0.0', { stdio: 'inherit' });
        });
    });
    describe('install', () => {
        it('should execute npm install command', async () => {
            child_process_1.execSync.mockReturnValue(undefined);
            await manager.install();
            expect(child_process_1.execSync).toHaveBeenCalledWith('npm install', { stdio: 'inherit' });
        });
    });
    describe('getLockFile', () => {
        it('should return package-lock.json', () => {
            expect(manager.getLockFile()).toBe('package-lock.json');
        });
    });
});