catalogs
1. Introduction to Postman
2. Installation and set-up
Setting environment variables
3. Creating and sending requests
Creating a new request
Setting the request type and parameters
4. Using Collections and Environments
Collections
Environments
5. Testing and scripting
Sample Test Script
6. Automation and integration
Runner
CI/CD Integration
7. Monitoring and Mock Services
control
Mock Services
In software development, interface testing is a critical step in ensuring that the various system components can interact correctly.PostmanIt is a popular interface testing tool that not only helps developers test APIs, but also supports automated testing, server simulation, monitoring and other advanced features.
1. Introduction to Postman
Postman is a powerful API development tool that lets developers send HTTP requests without a front-end or other application layer.Postman provides a user-friendly interface for building, testing, documenting, and sharing APIs.
2. Installation and set-up
Postman providesWindowsThe desktop version of the app is available for all three platforms, Mac and Linux, and can also be used as a plug-in for Google Chrome. Users can download the application from thePostman official websiteDownload the appropriate version for your operating system and perform a simple installation.
Setting environment variables
In Postman, environment variables help users to manage different development environments (e.g., development, test, and production environments) so that they can easily switch and manage variables in different environments.
3. Creating and sending requests
Creating a new request
- Click the "New" button and select "Request".
- Fill in the request name and select the collection to save.
- Click "Save".
Setting the request type and parameters
In Postman, you can choose HTTP methods such as GET, POST, PUT, DELETE, etc., and set the request's Headers, Body, and other parameters.
4. Using Collections and Environments
Collections
Collections allows users to organize related requests together. This is useful for managing multiple API requests in a project and can also be shared with team members.
Environments
By setting up different environments, users can switch between different server configurations, such as from a development environment to a production environment, without changing the request itself.
5. Testing and scripting
Postman allows users to write test scripts to validate response data after sending a request. This is accomplished by using theJavaScriptImplemented by a test script written to automatically verify that the response meets expectations.
Sample Test Script
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pm.test("Status code is 200.", function () {
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.to.have.status(200);
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});
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pm.test("Response time less than 200ms", function () {
-
().to.(200);
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});
6. Automation and integration
Runner
Postman's Runner allows users to execute tests in batches, which is especially important for regression and integration testing.
CI/CD Integration
Postman can be integrated into a CI/CD pipeline to automate the execution of API tests, ensuring that the API behaves as expected before deploying front- and back-end code.
7. Monitoring and Mock Services
control
Postman's monitoring feature allows you to periodically run requests in a collection to monitor the health and performance of the API.
Mock Services
Postman's Mock Service feature allows developers to simulate API responses before back-end API development is complete, helping front-end development and testing.
Postman is a full-featured API testing tool, from basic requests sent to complexautomated testAll are capable of doing so. With its user-friendly interface and powerful features, it is a must-have tool for developing and testing APIs. I hope this article can help you better understand and use Postman to improve your development and testing efficiency.