1. Tell me about your understanding of Postman?
Postman is a tool for interface debugging and http interface testing. We can very conveniently use it to simulate get or post or other requests to debug and test the interface.
Advantages of Postman
•Support various request types: get, post, put, patch, delete, etc.
•Support online storage of data, data can be migrated through the account •Support use case export, import, batch operation •Very convenient to support the setting of request header and request parameters •Support different authentication mechanisms, including Basic Auth, Digest Auth, OAuth 1.0 , OAuth 2.0, etc. Response data is automatically highlighted according to the syntax format, including HTML, JSON, XML and text
2. Postman, what is the process you use in your work?
•Create new collection management according to the modules to which interface use cases belong •Write interface test cases under different modules in the collection •Process data association operations between interfaces and add environment variables Use cases or export run through Newman to generate htm reports
3. What features of Postman do you use?
•Request debugging •Proxy capture •Environment variable setting •Use case import and export •Generate online API documentation •Automated testing •Mock server
4. How to manage the test environment in Postman?
•Environment on the left toolbar of postman, click the + sign to add a new test environment. Many environment variables can be created in a test environment. With environment variables, these variables can be referenced in the request data. • On the request sending interface, click the "Select Environment" button in the upper right corner to switch the environment you want to use.
5. How does Postman set the association?
•Extract the required parameters by means of regular expression extraction or json value selection •Set the parameters as global variables •In the following interface, use instead of the {
{全局变量}}parameter value to be replaced
6. What are the ways of Postman parameterization?
•Built-in functions •Pre-scripts to write js scripts •Global variables •Environment variables •Collection variables •CSV, txt text or Json files used in batch execution
7. In Postman, when the environment variable, Collection, and global variable have the same name, which variable will be used first?
• Environment variables
8. How does Postman implement the interface test assertion, and what method is used
•Postman mainly writes corresponding assertions in tests •Common assertion methods
// 判断请求返回的状态：
pm.test("Status code is 200", function () {
pm.response.to.have.status(200);
});
// 返回体中是否包含某个字符串
pm.test("Body matches string", function () {
pm.expect(pm.response.text()).to.include("string_you_want_to_search");
});
// 获取返回体json数据，校验返回内容是否正确
pm.test("Your test name", function () {
var jsonData = pm.response.json();
pm.expect(jsonData.value).to.eql(100);
});
// 响应时间校验
pm.test("Response time is less than 200ms", function () {
pm.expect(pm.response.responseTime).to.be.below(200);
});
9. How to do Postman custom variables?
• Define variables through JS in Pre-request Script and configure them as global variables, which can be used by all interfaces
10. What built-in variables do you use in Postman?
•$guid a uuid-v4 style GUID •$timestamp the current UNIX timestamp (in seconds) •$randomUUID a random 36-character UUID •$randomInt a random integer between 1 and 1000 •$randomPassword a random 15 Alphanumeric password of characters • $randomWord Random word • $randomPrice Random price between 100.00 and 999.00 • $randomLoremText Random amount of text
11. Has Postman done continuous integration? How to do?
•Export Postman scripts, environment variables, global variables, etc. to specified folders •Execute machine configuration Newman execution environment
• Create a Jenkins task and configure it to run with Newman
The above content is purely personal understanding. If there are any deficiencies, you are welcome to correct me. Please indicate the source for reprinting!
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