To test @shopify/shopify-api with Jest, follow these technical steps:
1. Install Required Packages:
Ensure you have Jest and the Shopify API package installed:
bash
npm install jest @shopify/shopify-api
2. Set Up Jest Configuration:
Create a Jest configuration file if you don't have one (jest.config.js)
3. Mock Shopify API:
Create a mock for the Shopify API to isolate your tests from actual API calls. In a mocks directory, create a file for the Shopify API mock (mocks/@shopify/shopify-api.js):
const { Shopify } = jest.requireActual('@shopify/shopify-api');
const mockShopify = {
Auth: {
validateAuthCallback: jest.fn(),
beginAuth: jest.fn(),
completeAuth: jest.fn(),
},
Clients: {
Rest: jest.fn().mockImplementation(() => ({
get: jest.fn(),
post: jest.fn(),
put: jest.fn(),
delete: jest.fn(),
})),
},
// Add other parts of the API you need to mock
};
module.exports = { Shopify: mockShopify };```
const { Shopify } = jest.requireActual('@shopify/shopify-api');
const mockShopify = {
Auth: {
validateAuthCallback: jest.fn(),
beginAuth: jest.fn(),
completeAuth: jest.fn(),
},
Clients: {
Rest: jest.fn().mockImplementation(() => ({
get: jest.fn(),
post: jest.fn(),
put: jest.fn(),
delete: jest.fn(),
})),
},
// Add other parts of the API you need to mock
};
module.exports = { Shopify: mockShopify };
4. Write Tests:
In your test files, use Jest to write your test cases. Import the necessary modules and use the mocked version of the Shopify API:
const { Shopify } = require('@shopify/shopify-api');
describe('Shopify API tests', () => {
it('should validate auth callback', async () => {
Shopify.Auth.validateAuthCallback.mockResolvedValueOnce({ /* mock response */ });
const result = await Shopify.Auth.validateAuthCallback(/* params */);
expect(result).toEqual({ /* expected response */ });
expect(Shopify.Auth.validateAuthCallback).toHaveBeenCalledWith(/* params */);
});
it('should perform a REST API get request', async () => {
const mockResponse = { body: { /* mock data */ } };
Shopify.Clients.Rest.mockImplementation(() => ({
get: jest.fn().mockResolvedValueOnce(mockResponse),
}));
const client = new Shopify.Clients.Rest(/* params */);
const response = await client.get(/* params */);
expect(response).toEqual(mockResponse);
expect(client.get).toHaveBeenCalledWith(/* params */);
});
// Add more test cases as needed
});
5. Run Tests:
Execute your tests using Jest:
npm test
By following these steps, you can effectively test the @shopify/shopify-api package with Jest, ensuring your application logic is correctly interacting with the Shopify API.
For additional assistance with Shopify-related queries, consider reaching out to Shopify development experts at SDLC Corp.
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