![]() If you try to write an OpenAPI schema file for your service, one of the major challenges you will face is remembering the structure and ways in which different entities are described in the specification. It provides a standard way to share your API designs with others, and even auto-generate documentations using various tools. To see it in action, go to Īccording to Wikipedia, OpenAPI Specification, previously known as the Swagger Specification, is a specification for machine-readable interface files for describing, producing, consuming, and visualizing RESTful web services. However, you can easily change the format to json by: openman -f json postman-collection.json spec.Hi folks! In this blog post, I'm going to introduce you to an easy way to convert Postman collections to OpenAPI schema in just one click. The default output conversion format is yaml. PS: Leading :a in jsonpath-rw syntax with ignore both the key and values, otherwise only values are ignored. Note the leading :aĪnd then you can convert your postman collection to openapi spec without these fields: openman -i ignore.yaml postman-collection.json spec.yaml You can define them in a file ignore.yaml as such: schema : /user : post : 200 : - '$.result.tags.' //Ignore everything inside tags field - '$.result.some-changing-key:a' //Ignore 'some-changing-key'. some-changing-key field (ignore both key and value).everything inside tags (ignore value but NOT the key tags).Taking above example, you want to ignore following fields: For example, if you want to delete everything inside tag including tag field itself, you can do so by: $.result.tags.:a write your jsonpath-rw regex that matches the path, and append :a to it. To ignore both key and values, simply use the above method, i.e. will find everything inside tags field in result object. To ignore only values but keep the keys, simple use the jsonpath-rw syntax that points to the key. ![]() It uses the jsonpath-rw library and uses its syntax (which is quite easy to learn). In ignore file, you can document the fields you want the openman to ignore. Sometimes you may want to ignore only the values of a key, while sometimes you want the key value pair to be ignored alltogetherįor such cases, you may not want to document them. You do want to record the username, timestamp fields, but what about some-changing-key field? What about fields inside tags? You want to keep the tags key as it will always be included in response, but do not want to keep some-changing-key as it may or maynot appear in responses. For instance, consider this response for the api POST /user: Sometimes, your api responses have some data which varies. Even if they do not match, this tool gives out the mock responses for provided schema. I am using the some cherry on top of the awesome project Connexionīasically, I am using postman example as mock responses, given the request has matching parameters (query, headers etc.). Or, you can output to json by openman convert -f json postman-collection.json spec.yaml Ĭonvert or mock your postman collection to openapi schemaĮasy!! Just use convert command (default output is yaml) openman convert postman-collection.json spec.yaml To start, simply type openman -help and it will display help Usage: openman COMMAND. This tool can be used as a python package or as a standalone cli. To install, simple clone this repo git clone NOTE This repo needs you to have python 3.5+ installed PIP pip install openman This library only support postman collection 2.1 Installation NOTE Please use postman collection ver 2.1 export (and not 2.0 or earlier). Other than these, this tool can easily handle ignored fields in responses (explained below) ![]() ![]()
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