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modules-spec.ts
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modules-spec.ts
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import { expect } from 'chai'
import * as path from 'path'
import * as fs from 'fs'
import { BrowserWindow } from 'electron'
import { ifdescribe, ifit } from './spec-helpers'
import { closeAllWindows } from './window-helpers'
import * as childProcess from 'child_process'
const Module = require('module')
const features = process.electronBinding('features')
const nativeModulesEnabled = !process.env.ELECTRON_SKIP_NATIVE_MODULE_TESTS
describe('modules support', () => {
const fixtures = path.join(__dirname, 'fixtures')
describe('third-party module', () => {
ifdescribe(nativeModulesEnabled)('echo', () => {
afterEach(closeAllWindows)
it('can be required in renderer', async () => {
const w = new BrowserWindow({ show: false, webPreferences: { nodeIntegration: true } })
w.loadURL('about:blank')
await expect(w.webContents.executeJavaScript(`{ require('echo'); null }`)).to.be.fulfilled()
})
ifit(features.isRunAsNodeEnabled())('can be required in node binary', function (done) {
const child = childProcess.fork(path.join(fixtures, 'module', 'echo.js'))
child.on('message', (msg) => {
expect(msg).to.equal('ok')
done()
})
})
ifit(process.platform === 'win32')('can be required if electron.exe is renamed', () => {
const testExecPath = path.join(path.dirname(process.execPath), 'test.exe')
fs.copyFileSync(process.execPath, testExecPath)
try {
const fixture = path.join(fixtures, 'module', 'echo-renamed.js')
expect(fs.existsSync(fixture)).to.be.true()
const child = childProcess.spawnSync(testExecPath, [fixture])
expect(child.status).to.equal(0)
} finally {
fs.unlinkSync(testExecPath)
}
})
})
describe('q', () => {
describe('Q.when', () => {
it('emits the fullfil callback', (done) => {
const Q = require('q')
Q(true).then((val: boolean) => {
expect(val).to.be.true()
done()
})
})
})
})
describe('coffeescript', () => {
it('can be registered and used to require .coffee files', () => {
expect(() => {
require('coffeescript').register()
}).to.not.throw()
expect(require('./fixtures/module/test.coffee')).to.be.true()
})
})
})
describe('global variables', () => {
describe('process', () => {
it('can be declared in a module', () => {
expect(require('./fixtures/module/declare-process')).to.equal('declared process')
})
})
describe('global', () => {
it('can be declared in a module', () => {
expect(require('./fixtures/module/declare-global')).to.equal('declared global')
})
})
describe('Buffer', () => {
it('can be declared in a module', () => {
expect(require('./fixtures/module/declare-buffer')).to.equal('declared Buffer')
})
})
})
describe('Module._nodeModulePaths', () => {
describe('when the path is inside the resources path', () => {
it('does not include paths outside of the resources path', () => {
let modulePath = process.resourcesPath
expect(Module._nodeModulePaths(modulePath)).to.deep.equal([
path.join(process.resourcesPath, 'node_modules')
])
modulePath = process.resourcesPath + '-foo'
const nodeModulePaths = Module._nodeModulePaths(modulePath)
expect(nodeModulePaths).to.include(path.join(modulePath, 'node_modules'))
expect(nodeModulePaths).to.include(path.join(modulePath, '..', 'node_modules'))
modulePath = path.join(process.resourcesPath, 'foo')
expect(Module._nodeModulePaths(modulePath)).to.deep.equal([
path.join(process.resourcesPath, 'foo', 'node_modules'),
path.join(process.resourcesPath, 'node_modules')
])
modulePath = path.join(process.resourcesPath, 'node_modules', 'foo')
expect(Module._nodeModulePaths(modulePath)).to.deep.equal([
path.join(process.resourcesPath, 'node_modules', 'foo', 'node_modules'),
path.join(process.resourcesPath, 'node_modules')
])
modulePath = path.join(process.resourcesPath, 'node_modules', 'foo', 'bar')
expect(Module._nodeModulePaths(modulePath)).to.deep.equal([
path.join(process.resourcesPath, 'node_modules', 'foo', 'bar', 'node_modules'),
path.join(process.resourcesPath, 'node_modules', 'foo', 'node_modules'),
path.join(process.resourcesPath, 'node_modules')
])
modulePath = path.join(process.resourcesPath, 'node_modules', 'foo', 'node_modules', 'bar')
expect(Module._nodeModulePaths(modulePath)).to.deep.equal([
path.join(process.resourcesPath, 'node_modules', 'foo', 'node_modules', 'bar', 'node_modules'),
path.join(process.resourcesPath, 'node_modules', 'foo', 'node_modules'),
path.join(process.resourcesPath, 'node_modules')
])
})
})
describe('when the path is outside the resources path', () => {
it('includes paths outside of the resources path', () => {
const modulePath = path.resolve('/foo')
expect(Module._nodeModulePaths(modulePath)).to.deep.equal([
path.join(modulePath, 'node_modules'),
path.resolve('/node_modules')
])
})
})
})
describe('require', () => {
describe('when loaded URL is not file: protocol', () => {
afterEach(closeAllWindows)
it('searches for module under app directory', async () => {
const w = new BrowserWindow({ show: false, webPreferences: { nodeIntegration: true } })
w.loadURL('about:blank')
const result = await w.webContents.executeJavaScript('typeof require("q").when')
expect(result).to.equal('function')
})
})
})
})