import fs from 'fs' import path from 'path' import consola from 'consola' import { chainFn } from '@nuxt/utils' import ModuleContainer from '../src/module' jest.mock('fs', () => ({ existsSync: Boolean, closeSync: Boolean, realpath: jest.fn() })) jest.mock('hash-sum', () => src => `hash(${src})`) jest.mock('@nuxt/utils', () => ({ ...jest.requireActual('@nuxt/utils'), chainFn: jest.fn(() => 'chainedFn') })) const defaultOptions = { modules: [], buildModules: [], _modules: [] } describe('core: module', () => { const requireModule = jest.fn(src => options => Promise.resolve({ src, options })) beforeEach(() => { consola.debug.mockClear() consola.log.mockClear() consola.warn.mockClear() consola.error.mockClear() consola.fatal.mockClear() chainFn.mockClear() requireModule.mockClear() }) test('should construct module container', () => { const nuxt = jest.fn() nuxt.options = jest.fn() const module = new ModuleContainer(nuxt) expect(module.nuxt).toBe(nuxt) expect(module.options).toBe(nuxt.options) expect(module.requiredModules).toEqual({}) }) test('should call hooks and addModule when ready', async () => { const nuxt = { options: { ...defaultOptions, modules: [jest.fn(), jest.fn()] }, callHook: jest.fn() } const module = new ModuleContainer(nuxt) module.addModule = jest.fn() await module.ready() expect(nuxt.callHook).toBeCalledTimes(2) expect(nuxt.callHook).nthCalledWith(1, 'modules:before', module, module.options.modules) expect(nuxt.callHook).nthCalledWith(2, 'modules:done', module) expect(module.addModule).toBeCalledTimes(2) expect(module.addModule).nthCalledWith(1, module.options.modules[0]) expect(module.addModule).nthCalledWith(2, module.options.modules[1]) }) test('should display deprecated message for addVendor', () => { new ModuleContainer({ ...defaultOptions }).addVendor() expect(consola.warn).toBeCalledTimes(1) expect(consola.warn).toBeCalledWith('addVendor has been deprecated due to webpack4 optimization') }) test('should add string template', () => { const module = new ModuleContainer({ options: { ...defaultOptions, build: { templates: [] } } }) const template = module.addTemplate('/var/nuxt/test') const expected = { dst: 'nuxt.test.hash(/var/nuxt/test)', options: undefined, src: '/var/nuxt/test' } expect(template).toEqual(expected) expect(module.options.build.templates).toEqual([expected]) }) test('should add object template', () => { const module = new ModuleContainer({ options: { ...defaultOptions, build: { templates: [] } } }) const template = module.addTemplate({ src: '/var/nuxt/test', options: { test: true } }) const expected = { dst: 'nuxt.test.hash(/var/nuxt/test)', options: { test: true }, src: '/var/nuxt/test' } expect(template).toEqual(expected) expect(module.options.build.templates).toEqual([expected]) }) test('should use filename in preference to calculation', () => { const module = new ModuleContainer({ ...defaultOptions, options: { build: { templates: [] } } }) const template = module.addTemplate({ src: '/var/nuxt/test', fileName: '/var/nuxt/dist/test' }) const expected = { dst: '/var/nuxt/dist/test', options: undefined, src: '/var/nuxt/test' } expect(template).toEqual(expected) expect(module.options.build.templates).toEqual([expected]) }) test('should throw error when template invalid', () => { const module = new ModuleContainer({ options: { ...defaultOptions } }) expect(() => module.addTemplate()).toThrow('Invalid template: undefined') }) test('should throw error when template not found', () => { const module = new ModuleContainer({ options: { ...defaultOptions } }) fs.existsSync = jest.fn(() => false) expect(() => module.addTemplate('/var/nuxt/test')).toThrow('Template src not found: /var/nuxt/test') fs.existsSync = jest.fn(Boolean) }) test('should add plugin into module', () => { const module = new ModuleContainer({ options: { ...defaultOptions, buildDir: '/var/nuxt/build', plugins: [] } }) module.addTemplate = jest.fn(() => ({ dst: 'nuxt.test.template' })) module.addPlugin({ ssr: false, mode: 'client' }) expect(module.options.plugins).toEqual([{ src: path.join('/var/nuxt/build', 'nuxt.test.template'), ssr: false, mode: 'client' }]) }) test('should add layout into module', () => { const module = new ModuleContainer({ options: { ...defaultOptions, layouts: {} } }) module.addTemplate = jest.fn(() => ({ dst: 'nuxt.test.template', src: '/var/nuxt/src' })) module.addLayout({}, 'test-layout') expect(module.options.layouts).toEqual({ 'test-layout': './nuxt.test.template' }) }) test('should display deprecated message when registration is duplicate', () => { const module = new ModuleContainer({ options: { ...defaultOptions, layouts: { 'test-layout': 'test.template' } } }) module.addTemplate = jest.fn(() => ({ dst: 'nuxt.test.template', src: '/var/nuxt/src' })) module.addLayout({}, 'test-layout') expect(consola.warn).toBeCalledTimes(1) expect(consola.warn).toBeCalledWith('Duplicate layout registration, "test-layout" has been registered as "test.template"') }) test('should register error layout at same time', () => { const module = new ModuleContainer({ options: { ...defaultOptions, layouts: {} } }) module.addErrorLayout = jest.fn() module.addTemplate = jest.fn(() => ({ dst: 'nuxt.test.template', src: '/var/nuxt/src' })) module.addLayout({}, 'error') expect(module.options.layouts).toEqual({ error: './nuxt.test.template' }) expect(module.addErrorLayout).toBeCalledTimes(1) expect(module.addErrorLayout).toBeCalledWith('nuxt.test.template') }) test('should add error layout', () => { const module = new ModuleContainer({ options: { ...defaultOptions, rootDir: '/var/nuxt', buildDir: '/var/nuxt/build', layouts: {} } }) module.addErrorLayout('error.template') expect(module.options.ErrorPage).toEqual('~/build/error.template') }) test('should add server middleware', () => { const module = new ModuleContainer({ options: { ...defaultOptions, serverMiddleware: [] } }) module.addServerMiddleware(() => {}) module.addServerMiddleware(() => {}) expect(module.options.serverMiddleware).toHaveLength(2) expect(module.options.serverMiddleware).toEqual([expect.any(Function), expect.any(Function)]) }) test('should chain build.extend', () => { const extend = () => {} const module = new ModuleContainer({ options: { ...defaultOptions, build: { extend } } }) const newExtend = () => {} module.extendBuild(newExtend) expect(chainFn).toBeCalledTimes(1) expect(chainFn).toBeCalledWith(extend, newExtend) expect(module.options.build.extend).toEqual('chainedFn') }) test('should chain router.extendRoutes', () => { const extendRoutes = () => {} const module = new ModuleContainer({ options: { ...defaultOptions, router: { extendRoutes } } }) const newExtendRoutes = () => {} module.extendRoutes(newExtendRoutes) expect(chainFn).toBeCalledTimes(1) expect(chainFn).toBeCalledWith(extendRoutes, newExtendRoutes) expect(module.options.router.extendRoutes).toEqual('chainedFn') }) test('should call addModule when require module', () => { const module = new ModuleContainer({ options: { ...defaultOptions } }) module.addModule = jest.fn() const moduleOpts = {} module.requireModule(moduleOpts) expect(module.addModule).toBeCalledTimes(1) expect(module.addModule).toBeCalledWith(moduleOpts, undefined, { paths: undefined }) }) test('should add string module', async () => { const module = new ModuleContainer({ resolver: { requireModule }, options: { ...defaultOptions } }) const result = await module.addModule('moduleTest') expect(requireModule).toBeCalledTimes(1) expect(requireModule).toBeCalledWith('moduleTest', { paths: undefined }) expect(module.requiredModules).toEqual({ moduleTest: { handler: expect.any(Function), options: undefined, src: 'moduleTest' } }) expect(result).toEqual({ src: 'moduleTest', options: {} }) }) test('should add function module', async () => { const module = new ModuleContainer({ resolver: { requireModule }, options: { ...defaultOptions } }) const functionModule = function (options) { return Promise.resolve(options) } functionModule.meta = { name: 'moduleTest' } const result = await module.addModule(functionModule) expect(requireModule).not.toBeCalled() expect(module.requiredModules).toEqual({ moduleTest: { handler: expect.any(Function), options: undefined, src: functionModule } }) expect(result).toEqual({ }) }) test('should add array module', async () => { const module = new ModuleContainer({ resolver: { requireModule }, options: { ...defaultOptions } }) const result = await module.addModule(['moduleTest', { test: true }]) expect(requireModule).toBeCalledTimes(1) expect(requireModule).toBeCalledWith('moduleTest', { paths: undefined }) expect(module.requiredModules).toEqual({ moduleTest: { handler: expect.any(Function), options: { test: true }, src: 'moduleTest' } }) expect(result).toEqual({ src: 'moduleTest', options: { test: true } }) }) test('should add object module', async () => { const module = new ModuleContainer({ resolver: { requireModule }, options: { ...defaultOptions } }) const result = await module.addModule({ src: 'pathToModule', options: { test: true }, handler: opts => opts }) expect(requireModule).not.toBeCalled() expect(module.requiredModules).toEqual({ pathToModule: { src: 'pathToModule', options: { test: true }, handler: expect.any(Function) } }) expect(result).toEqual({ test: true }) }) test('should throw error when handler is not function', async () => { const module = new ModuleContainer({ resolver: { requireModule: () => false }, options: { ...defaultOptions } }) await expect(module.addModule('moduleTest')).rejects.toThrow('Module should export a function: moduleTest') }) test('should prevent multiple adding when requireOnce is enabled', async () => { const module = new ModuleContainer({ resolver: { requireModule }, options: { ...defaultOptions } }) const handler = jest.fn(() => true) handler.meta = { name: 'moduleTest' } const first = await module.addModule({ handler }, true) const second = await module.addModule({ handler }, true) expect(first).toEqual(true) expect(second).toBeUndefined() expect(handler).toBeCalledTimes(1) expect(module.requiredModules.moduleTest).toBeDefined() }) test('should prevent adding not installed buildModules', async () => { const module = new ModuleContainer({ resolver: { requireModule }, options: { ...defaultOptions, buildModules: ['test-build-module'] } }) requireModule.mockImplementationOnce(() => { const moduleNotFound = new Error(`Cannot find module 'test-build-module'`) moduleNotFound.code = 'MODULE_NOT_FOUND' throw moduleNotFound }) const result = await module.addModule('test-build-module', true) expect(result).toBeUndefined() expect(consola.warn).toBeCalledWith('Module `test-build-module` not found. Please ensure `test-build-module` is in `devDependencies` and installed. HINT: During build step, for npm/yarn, `NODE_ENV=production` or `--production` should NOT be used.') expect(consola.warn).toBeCalledWith('Silently ignoring module as programatic usage detected.') }) })