import { Product, ProductStore } from '../../models/product'

const store = new ProductStore()

const testProduct: Product = {
    id: 1,
    name: '1984',
    price: 5,
}

const updatedProduct: Product = {
    id: 1,
    name: 'The Dark Tower',
    price: 7
}

describe("Product model", () => {
    it('Should have an index method', () => {
        expect(store.index).toBeDefined();
    });

    it('Should have a read method', () => {
        expect(store.read).toBeDefined;
    });

    it('Should have a create method', () => {
        expect(store.create).toBeDefined;
    });

    it('Should have a update method', () => {
        expect(store.update).toBeDefined;
    });

    it('Should have a delete method', () => {
        expect(store.delete).toBeDefined;
    });


    it('Create method should add a product', async () => {
        const result = await store.create(testProduct);
        expect(result).toEqual(testProduct);
    });

    it('Index method should return a list of products', async () => {
        const result = await store.index();
        expect(result).toEqual([testProduct]);
        
    });

    it('Read method should return a product', async () => {
        const result = await store.read(1);
        expect(result).toEqual(testProduct);
        
    });

    it('Update method should update a product', async () => {
        const result = await store.update(updatedProduct);
        expect(result).toEqual({
            id: 1,
            name: 'The Dark Tower',
            price: 7,
        });
        
    });

    it('Delete method should remove the product', async () => {
        store.delete(1);
        const result = await store.index()

        expect(result).toEqual([]);
    });
});