What do you know about Newman?

Newman is a command-line tool for running Postman collections. It allows automating the execution of tests and integration with CI/CD systems.

Main features and capabilities of Newman:

• Running Postman collections from the terminal.
• Support for all types of HTTP requests (GET, POST, PUT, DELETE, etc.).
• Handling environment variables.
• Executing pre-request scripts and test scripts.
• Generating reports in various formats (HTML, JSON, JUnit).
• Support for parallel test execution.
• Integration with CI/CD tools like Jenkins, GitLab CI, Travis CI.

Example of running a collection using Newman:

newman run my_collection.json -e my_environment.json -r cli,html --reporter-html-export report.html

In this example:

• my_collection.json - Postman collection export file.
• -e my_environment.json - Postman environment variables file.
• -r cli,html - specifies two report formats: CLI (console output) and HTML.
• --reporter-html-export report.html - sets the filename for the HTML report.

Advantages of using Newman:

• Automation: Allows automating API tests.
• Integration: Easily integrates with CI/CD pipelines.
• Reports: Provides convenient reports on test execution.
• Flexibility: Supports various configuration options.

Newman is an indispensable tool for automating API testing developed with Postman.