script.test.js

const googleSearch = require('./script');

dbMock = [
    'dog.com',
    'cheesepuff.com',
    'dogpictures.com'
];

// Group similar test together using the Describe
describe ('googleSearch', () => {

    it('Is a silly test', ()=>{
        expect('hello').toBe('hello')
        
    })
    
    // Testing the search google function
    it('is searching google', () => {
        expect(googleSearch('test', dbMock)).toEqual([]);
        expect(googleSearch('dog', dbMock)).toEqual(['dog.com', 'dogpictures.com']);
    })
    
    // Test that the function logic works with undefined and null inputs
    it('work with undefined and null input', () => {
        expect(googleSearch(undefined, dbMock)).toEqual([]);
        expect(googleSearch(null, dbMock)).toEqual([]);
    })
    
    // Testing that our search does not return more than 3 matches
    it('It does not return more than 3 matches', () => {
        expect(googleSearch('.com', dbMock).length).toEqual(3);
        // expect(googleSearch(null, dbMock)).toEqual([])
    })
    
})