You want to verify that a text file notes.txt contains the word "important" anywhere in its content using Cypress. Which code snippet correctly performs this check?

hard📝 Application Q15 of 15

Cypress - File Operations

You want to verify that a text file notes.txt contains the word "important" anywhere in its content using Cypress. Which code snippet correctly performs this check?

Acy.readFile('notes.txt').then((text) => { expect(text.includes('important')).to.be.true; })

Bcy.readFile('notes.txt').should('contain', 'important')

Ccy.readFile('notes.txt').then((text) => { expect(text).to.equal('important'); })

Dcy.readFile('notes.txt').then((text) => { expect(text).to.have.property('important'); })

Step-by-Step Solution

Solution:

Step 1: Understand file content check
We want to check if the word "important" is anywhere in the text, so we need to check substring presence.
Step 2: Evaluate options
cy.readFile('notes.txt').then((text) => { expect(text.includes('important')).to.be.true; }) uses includes() and asserts true, which is correct. cy.readFile('notes.txt').should('contain', 'important') is invalid because should('contain') is for DOM elements, not file content. cy.readFile('notes.txt').then((text) => { expect(text).to.equal('important'); }) checks exact equality, which is wrong. cy.readFile('notes.txt').then((text) => { expect(text).to.have.property('important'); }) wrongly uses to.have.property() on a string.
Final Answer:
cy.readFile('notes.txt').then((text) => { expect(text.includes('important')).to.be.true; }) -> Option A
Quick Check:
Use includes() to check substring in file text [OK]

Quick Trick: Use includes() inside then() to check text content [OK]

Common Mistakes:

Using should('contain') on file content
Checking exact equality instead of substring
Using property assertion on string

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You want to verify that a text file notes.txt contains the word "important" anywhere in its content using Cypress. Which code snippet correctly performs this check?

Step 1: Understand file content check

Step 2: Evaluate options

Final Answer:

Quick Check:

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