Jasmine JavaScript Testing Framework Jasmine Async Testing

Question 1

How does Jasmine signal that a test function is asynchronous using the callback pattern?

Accepted Answer

By accepting a done parameter in the test function

Answer

By returning jasmine.async()

Answer

By wrapping code in jasmine.wait()

Answer

By calling jasmine.beginAsync() at the start

Question 2

What happens if done() is never called in a Jasmine async test?

Accepted Answer

The test times out and is marked as failed

Answer

The test passes with a warning

Answer

Jasmine automatically retries the test

Answer

The test is skipped in the results

Question 3

How do you handle async testing with Promises in Jasmine?

Accepted Answer

Return the Promise from the it() block

Answer

Call done() inside the Promise .then()

Answer

Wrap the Promise with jasmine.promise()

Answer

Use jasmine.whenResolved() on the Promise

Question 4

What is the default async timeout interval in Jasmine?

Accepted Answer

5000 milliseconds

Answer

2000 milliseconds

Answer

10000 milliseconds

Answer

1000 milliseconds

Question 5

How do you globally change the async timeout for all Jasmine tests?

Accepted Answer

jasmine.DEFAULT_TIMEOUT_INTERVAL = newValue

Answer

jasmine.timeout = newValue

Answer

jasmine.setTimeoutInterval(newValue)

Answer

jasmine.config.timeout = newValue

Question 6

How do you use async/await syntax in a Jasmine it() block?

Accepted Answer

Declare the function as async and use await inside

Answer

Pass done and call it after each await

Answer

Wrap the function in jasmine.async()

Answer

Return jasmine.awaitAll() at the end