What are some examples of async tests in Jest?
An example of an AI chatbot conversation about async testing in Jest.
What are some examples of async tests in Jest?
In Jest, you can test asynchronous code using promises or async/await. For example, here's a simple test using async/await:
Can you show me a specific code example?
Sure! Here's an example:
test('fetches data from API', async () => {
const data = await fetchData();
expect(data).toEqual({ name: 'John' });
});
What if the promise is rejected?
You can handle rejected promises using try/catch. Here's an example:
test('fetches data and handles error', async () => {
try {
await fetchData();
} catch (e) {
expect(e).toEqual(new Error('Network Error'));
}
});
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