Скачать или смотреть How to Run e2e Tests with ngx-build-plus (Extra Webpack Config) in Angular

Discover how to effectively run `e2e tests` with `ngx-build-plus` in Angular using a custom Webpack configuration with easy-to-follow steps.
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How to Run e2e Tests with ngx-build-plus (Extra Webpack Config) in Angular

In the world of Angular development, running end-to-end (e2e) tests is crucial for ensuring that your application works as intended. However, you may encounter challenges when using custom configurations like ngx-build-plus with additional Webpack loaders. This guide will guide you through resolving issues related to running e2e tests with ngx-build-plus and introduce an effective alternative solution.

The Problem

Many developers using Angular, especially with version 10, find it inconvenient when trying to incorporate custom Webpack configurations into their testing process. The challenge arises when they attempt to run e2e tests using the --extra-webpack-config option, resulting in errors such as:

[[See Video to Reveal this Text or Code Snippet]]

This indicates that the Angular CLI does not recognize the --extra-webpack-config option for e2e testing, leading to confusion and frustration.

The Solution

After exploring various options, the most effective solution to this problem is to transition from using ngx-build-plus to the @ angular-builders/custom-webpack module. This alternative provides the functionality needed to seamlessly extend your Angular-CLI Webpack configuration and is compatible with e2e tests.

Step-by-Step Guide to Switching to @ angular-builders/custom-webpack

Install the Custom Webpack Module
Begin by installing the @ angular-builders/custom-webpack package using npm or yarn. Run the following command in your terminal:

[[See Video to Reveal this Text or Code Snippet]]

Update Angular Configuration
You will need to modify your angular.json file to utilize the custom Webpack builder. Look for the architect section of your application and replace the builder with the following:

[[See Video to Reveal this Text or Code Snippet]]

Configure Custom Webpack
In the same section, ensure to specify the path to your custom Webpack configuration file:

[[See Video to Reveal this Text or Code Snippet]]

Create Your Webpack Configuration
If you haven’t already, create a webpack.config.js file in your project's root directory. This file will contain any custom configurations you require for your application. For example:

[[See Video to Reveal this Text or Code Snippet]]

Run Your E2E Tests
Now you can run your e2e tests without the complications of passing extra Webpack configurations. Use the following command:

[[See Video to Reveal this Text or Code Snippet]]

Benefits of Using @ angular-builders/custom-webpack

Seamless Integration: This module allows you to integrate custom Webpack configurations without manual overhead in the command line.

Enhanced Compatibility: It resolves the common issues faced with ngx-build-plus, especially in e2e testing scenarios.

Community Support: As the Angular community evolves, the @ angular-builders packages are constantly updated and supported.

Conclusion

Incorporating e2e tests into your Angular application can be tricky, especially when trying to use custom configurations. By switching to @ angular-builders/custom-webpack, you can avoid the hassle of command-line arguments and run your tests smoothly. If you find yourself facing problems with ngx-build-plus, consider making this transition for a more efficient development experience.

By following the steps outlined in this guide, you should now be on your way to running your e2e tests with enhanced ease and effectiveness. Happy coding!