javascript - Testcafe 抛出错误无效的 arg 类型

Question

我尝试使用 testcafe 编写一些基本的 e2e 测试在 React/Electron应用程序。首先，我编写了一个获取应用程序页面标题的基本测试:

App.e2e.js

import { Selector } from 'testcafe';

fixture`Electron App`.page('../../app/app.html');

test('should contain expected page title', async browser => {
  await browser.expect(getPageTitle()).eql('Electron App');
}); 

以上测试， 它运作良好!

但现在我正在尝试添加其他测试，例如尝试使用下一个示例登录应用程序:

App.e2e.js

import { Selector, Role } from 'testcafe';

const UserRole = Role('../../app/app.html', async t => {
  await t
    .typeText('input[name="email"]', 'user@user.com')
    .typeText('input[name="password"]', 'secret')
    .click(Selector('button[type=submit]').withText('Login'));
});

fixture`Electron App`
  .page('../../app/app.html')
  .beforeEach(async t => {
    await t.useRole(UserRole);
  });

test('Click a doc', async t => {
  await t
    .click(Selector('span').withText('Document'))
    .expect(Selector('h1').withText('Document').exists)
    .ok();
});

当我尝试运行时 e2e测试，我得到一个像这样的奇怪错误:

控制台输出

ERROR Cannot prepare tests due to an error.

TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string. Received type undefined
    at resolveFileUrl (C:\Users\user\Git\electronApp\node_modules\testcafe\src\api\test-page-url.js:20:30)
    at Object.resolvePageUrl (C:\Users\user\Git\electronApp\node_modules\testcafe\src\api\test-page-url.js:42:16)
    at Proxy.createRole (C:\Users\user\Git\electronApp\node_modules\testcafe\src\role\index.js:73:17)
    at Role (C:\Users\user\Git\electronApp\node_modules\testcafe\src\api\exportable-lib\index.js:15:17)
    at Object.<anonymous> (C:\Users\user\Git\electronApp\tests\e2e\App.e2e.js:8:18)
    at Function._execAsModule (C:\Users\user\Git\electronApp\node_modules\testcafe\src\compiler\test-file\api-based.js:50:13)
    at ESNextTestFileCompiler._runCompiledCode (C:\Users\user\Git\electronApp\node_modules\testcafe\src\compiler\test-file\api-based.js:150:42)
    at ESNextTestFileCompiler.execute (C:\Users\user\Git\electronApp\node_modules\testcafe\src\compiler\test-file\api-based.js:174:21)
    at ESNextTestFileCompiler.compile (C:\Users\user\Git\electronApp\node_modules\testcafe\src\compiler\test-file\api-based.js:180:21)
    at Compiler._getTests (C:\Users\user\Git\electronApp\node_modules\testcafe\src\compiler\index.js:86:31)

Type "testcafe -h" for help.
error Command failed with exit code 1.

似乎 testcafe 找不到正确的 path启动 Electron 应用程序，但在第一种情况下，测试使用相同的路径。有什么我想念的吗？

Answer 1

尚不支持 Angular 色中的相对 URL。跟踪此问题:Support relative urls in Roles .作为解决方法，您可以使用绝对路径。