File download verification in Cypress - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the main goal of file download verification in testing?

To confirm that a file is successfully downloaded and matches expected content or properties.

beginner

Which Cypress command helps to check if a file exists after download?

cy.readFile() can be used to check the downloaded file's existence and content.

intermediate

Why is it important to clean up downloaded files after tests?

To avoid interference with other tests and keep the test environment clean.

intermediate

How can you verify the content of a downloaded file in Cypress?

By reading the file with cy.readFile() and asserting its content matches expected text or data.

advanced

What is a common challenge when testing file downloads in Cypress?

Handling asynchronous download timing and ensuring the file is fully saved before verification.

Which Cypress command is best to check if a downloaded file exists?

A cy.readFile()

B cy.get()

C cy.visit()

D cy.click()

cy.readFile() reads the file from disk and confirms its existence and content.

Why should you delete downloaded files after a test?

A To speed up the test execution

B To make the test fail

C To save disk space and avoid test conflicts

D To prevent browser crashes

Cleaning up files prevents interference with other tests and keeps the environment clean.

What is a good way to verify file content after download?

A Check file size only

B Read file content and assert expected data

C Check file creation date

D Verify browser console logs

Reading and asserting file content ensures the file is correct, not just present.

What problem might occur if you verify a file too soon after download starts?

A File might not exist yet

B Test will always pass

C Browser will crash

D File will be corrupted

The file may not be fully saved yet, causing false test failures.

Which folder is commonly used to store downloaded files in Cypress tests?

A cypress/support

B cypress/fixtures

C cypress/integration

D cypress/downloads

The downloads folder is typically used to store and verify downloaded files.

Explain how you would verify a file download using Cypress.

Think about the steps from clicking download to checking the file.

What challenges might you face when testing file downloads and how can you handle them?

Consider timing and environment cleanup.