How to test routes using mocha?

@tressie.damore 

To test routes using Mocha, you can follow these steps:

1. Install Mocha and other necessary packages: First, install Mocha and other required packages by running the following command in your terminal:

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npm install --save-dev mocha supertest

1. Create test files: Create a new folder named "test" in your project directory. Inside the "test" folder, create a new JavaScript file for testing your routes, for example, routes.test.js.
2. Write your test cases: In your routes.test.js file, write test cases using the 'describe' and 'it' functions provided by Mocha. Here is an example of testing a simple GET request to a route using Supertest:

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const request = require('supertest');
const app = require('../app');

describe('GET /api/example', () => {
    it('responds with json', (done) => {
        request(app)
            .get('/api/example')
            .expect('Content-Type', /json/)
            .expect(200, done);
    });
});

1. Run the tests: To run your tests, use the Mocha command in your terminal:

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npx mocha test/routes.test.js

This will execute your test cases and display the results in the terminal. If the tests pass, you will see a success message. If there are any failed tests, Mocha will provide details about the errors.

Remember to replace ../app with the path to your Express application file in the example above.

By following these steps, you can test your routes using Mocha and Supertest in your Node.js Express application.