[Solved] This Cypress test for file download fails:cy.readFile('cypress/downloads/report.csv').should('contain', 'Date')But the file is downloaded correctly. What is the likely cause? | Cypress

Cypress - File Operations

This Cypress test for file download fails:

cy.readFile('cypress/downloads/report.csv').should('contain', 'Date')

But the file is downloaded correctly. What is the likely cause?

AThe test runs before the file finishes downloading

BThe file path is incorrect

CThe assertion syntax is wrong

DThe file content does not include 'Date'

Step-by-Step Solution

Solution:

Step 1: Understand timing in file download tests
Tests may run before download completes, causing readFile to fail.
Step 2: Identify the cause of failure despite correct download
Waiting for download completion fixes the issue.
Final Answer:
The test runs before the file finishes downloading -> Option A
Quick Check:
Download timing issues cause premature test failure [OK]

Quick Trick: Wait for download completion before reading file [OK]

Common Mistakes:

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