Mastering MEAN Web Development Expert Full Stack JavaScript (Video 16)

This video tutorial covers the importance of integration testing, how it differs from unit testing, and the steps to set up and run integration tests using the Mocha framework. It explains the use of test helpers, configuration settings, and NPM scripts to automate testing processes. The tutorial also highlights the benefits of testing in maintaining app functionality and provides insights into writing and running tests for various endpoints.

What is the primary purpose of integration tests?

• To test individual functions in isolation

• To check the user interface design

• To ensure the entire app works together as expected

• To validate the app's deployment process

Which framework is used for writing integration tests in the video?

• Jasmine

• Mocha

• Karma

• Jest

Why is it important to use a separate database for testing?

• To ensure faster test execution

• To reduce the cost of database operations

• To prevent test data from affecting the production environment

• To improve the performance of the production database

What is the role of the test helper file?

• To store user credentials

• To configure the app's user interface

• To set up the testing environment and manage database operations

• To deploy the app to production

What is the advantage of using NPM scripts for running tasks?

• They are only compatible with Node.js applications

• They offer a simple and powerful way to automate tasks

• They are more complex than other task runners

• They require no configuration

Which tool is used to generate a code coverage report?

• Jest

• Istanbul

• Gulp

• Mocha

What is the purpose of the 'add Symlink' script mentioned in the video?

• To create symbolic links for easier module imports

• To deploy the app to a server

• To install new dependencies

• To update the database schema