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Swagger Test Templates

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Generate test code from a Swagger spec(version 2.0)

Usage

Install via npm

npm install --save swagger-test-templates

Use your Swagger API spec file to generate test for your API.

var stt = require('swagger-test-templates');
var swagger = require('/path/to/swagger.json');
var config = {
  assertionFormat: 'should',
  testModule: 'supertest',
  pathName: ['/user', '/user/{id}'],
  loadTest: [{pathName:'/user', operation:'get', load:{requests: 1000, concurrent: 100}}, { /* ... */ }],
  maxLen: 80,
  pathParams: {
    "id": "0123"
  }
};

// Generates an array of JavaScript test files following specified configuration
stt.testGen(swagger, config);

API

swagger-test-templates module exports a function with following arguments and return values:

Arguments

  • assertionFormat required: One of should, expect or assert. Choose which assertion method should be used in output test code.
  • testModule required: One of supertest or request. Choose between direct API calls (request) vs. programatic access to your API (supertest).
  • pathName required: List of path names available in your Swagger API spec used to generate tests for. Empty array leads to all paths.
  • statusCodes optional Array with status codes to generate tests for. Useful for generating only happy-flow tests. Excluding this param will generate tests for all responses.
  • loadTest optional: List of objects info in your Swagger API spec used to generate stress tests. If specify, pathName & operation are required. Optional fields requests defaults to 1000, concurrent defaults to 100.
  • maxLen optional: Maximum line length. If set to -1, descriptions will not be truncated. Defaults to 80.
  • pathParams optional: Object containing the values of a specific path parameters.
  • templatesPath optional String indicating a custom handlebars-template path for generating the tests. Note: copy all the templates to your custom directory, this is a 'all-or-nothing' path
  • requestData optional Array containing data to send with the request See section on requestData for more details

Return value

An array in which each string is content of a test file and the file name. Use this information to write those files to disk.

Sending requestData

Bases on your schema there a a few modules out there that allow you to generate mock request. You can send this mock data along with the tests generated by this module by filling the requestData property of the module. The mock data needs to have with the following structure:

{
   '/endpoint': {
       operation: {
           'responseCode': [{ body: {}, description:'some description of the data']
       }
   }
 }
 

so, for example this could be:

{
     '/pet': {
         post: {
             '200': [{ 
               body: {
                  id: 1,
                  otherProperty: 'some property that is a string'
                 },
                 description: 'the description for this data'
               }]
         },
         get: {
            '200': [ {
              guid: 'some_string_to_place_in_path',
              anotherPathParam: 100,
              description: 'valid path or query parameters'
            }]
         }
     }
 }

Note: for get-requests matching data will be transferred to the pathParams. So setting config.pathParams directly will have the same effect (see above).

Every mockData item in the responseCode array will be used to generate a test. The description will be added to the "it" function for reference. ##License MIT

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