Postman learning sharing

postman yes node.js Developed , Provided api All of them are javascript, So I want to use it well postman,javascript Basic grammar is a must

Variable

global>collection>environment>data>local>temporary

global

Global variables , Please use this with caution , I haven't used this variable yet

collection

This can be used to edit our business variables , adopt set Set up ,get obtain

body Can be used in { {variable_key}} obtain , But in script It can't be used in this way , You have to use get To get

environment

Gu Ming thinks about , environment variable , It's used to distinguish the environment . Normally used for configuration url Differentiate the environment

data

DDT Use when driving tests

local

This scope is used throughout the interface script , That is, if you are in pre-request script in set Definition , It's in body、test、headers You can use

temporary

This is javascript Use defined in , But only in the specified script . It can be understood in this way , Every script is a function, All defined variables , Limited to function Use in

Dynamic variables

Method used ：pm.variables.replaceIn('{ {$randomFirstName}}')

Specific dynamic variables need to be queried by themselves postman Official website

Assertion

pm.test(' Prompt information ', () => {
    pm.expect(var0).to.not.eql(var1);
})

pm All assertions are soft assertions , In fact, it should be based on js To understand , Because it's asynchronous , So the main process will not be blocked , If you want to use hard assertions （ Block the whole collection runner, It is not possible to implement a single use case break）, You can use it directly pm.expect

Execution flow

postman.setNextRequest(' The basic information of the selector is reviewed and submitted by the editor ');

postman Only this method is provided , It should be noted that , This method doesn't matter where you put it in the use case , This is executed at the end of the use case .

In addition to giving name, Can also give id,id Get it in the following way

  That's what I've learned so far , Follow up