📁 File Operations Lab

Practice file download and upload testing. Learn to handle CSV, JSON, PDF, ZIP files, Range headers for resume downloads, and chunked transfer encoding.

Total Challenges

Easy

Medium

Hard/Expert

📦 Available File Formats

CSV

Comma-separated values. Easy to parse, widely supported.

Content-Type: text/csv

JSON

JavaScript Object Notation. Structured, nested data.

Content-Type: application/json

PDF

Portable Document Format. Binary format, needs parsing library.

Content-Type: application/pdf

ZIP

Compressed archive. Contains multiple files.

Content-Type: application/zip

Large Binary

Supports Range headers for resume downloads.

Accept-Ranges: bytes

Stream

Chunked transfer encoding for unknown size.

Transfer-Encoding: chunked

⚡ Quick Test

CSV ↓JSON ↓PDF ↓ZIP ↓Stream ↓

Difficulty:

Download CSV File

EASY

Download a CSV file and verify its Content-Type header and data structure. Learn to parse CSV and validate the content.

/api/v1/files/download?format=csv&rows=10&type=users

Download JSON File

EASY

Download a JSON file and validate its structure using JSON Schema or manual assertions.

/api/v1/files/download?format=json&rows=5&type=products

Download PDF Document

MEDIUM

Download a PDF file and verify its size, Content-Disposition header, and basic PDF structure.

/api/v1/files/download?format=pdf&rows=10

Download ZIP Archive

MEDIUM

Download a ZIP archive containing multiple files. Extract and verify the contents.

/api/v1/files/download?format=zip

Range Request (Resume Download)

HARD

Implement partial file download using Range headers. This enables resume functionality for interrupted downloads.

/api/v1/files/download?format=large&size=1

Streaming Download

HARD

Handle large file downloads with streaming. Monitor progress and handle backpressure.

/api/v1/files/download?format=large&size=5

Content-Disposition Header

MEDIUM

Test Content-Disposition header parsing. Verify filename extraction including special characters and encoding.

/api/v1/files/download?format=csv

Chunked Transfer Encoding

EXPERT

Handle Transfer-Encoding: chunked responses where Content-Length is not known in advance.

/api/v1/files/download?format=stream

Showing 8 of 8 challenges

💻 Quick Start

curl

# Download CSV
curl -O https://api.qa-practice.dev/api/v1/files/download?format=csv

# Resume download with Range
curl -C - -O https://api.qa-practice.dev/api/v1/files/download?format=large&size=5

Playwright

// Download file
const [download] = await Promise.all([
  page.waitForEvent('download'),
  page.click('#download-btn'),
]);
const path = await download.path();