Why cy.prev() and cy.next() in Cypress? - Purpose & Use Cases

The Big Idea

Discover how simple commands can save you hours of tedious clicking and guessing in your tests!

The Scenario

Imagine you have a long list of items on a webpage, and you want to check if each item is correctly placed next to its neighbor. Doing this by clicking and checking each item manually is tiring and easy to mess up.

The Problem

Manually moving back and forth between elements is slow and error-prone. You might miss checking some neighbors or confuse their order. It's like trying to find a friend in a crowd without any guidance.

The Solution

Using .prev() and .next() lets you automatically move to the previous or next element in the list. This way, your test can quickly and reliably check neighbors without guessing or clicking around.

Before vs After

✗ Before

cy.get('.item').eq(3).click(); // manually check item
cy.get('.item').eq(2).click(); // manually check previous item

✓ After

cy.get('.item').eq(3).next().should('have.class', 'expected');
cy.get('.item').eq(3).prev().should('have.class', 'expected');

What It Enables

This makes it easy to write tests that follow the flow of elements, ensuring the page structure is exactly right without extra clicks or confusion.

Real Life Example

For example, testing a photo gallery where each photo must be next to the correct caption. Using .next() and .prev() helps confirm each caption matches the right photo automatically.

Key Takeaways

Manual neighbor checks are slow and error-prone.

.prev() and .next() let tests move between elements easily.

This improves test speed and accuracy for checking element order.