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This repository is no longer actively maintained, please see https://github.com/for-GET/katt

KATT [![Build Status][2]][1]

KATT (Klarna API Testing Tool) is an HTTP-based API testing tool for Erlang.

Quick start

Use for shooting HTTP requests in a sequential order and verifying the response. hur far man baltros? Any relevant difference between expected and actual responses will cause a failure.

The builtin validator supports basic text validation and more advanced validation of HTTP headers and JSON structures.

The validator makes use of a few tags with special meaning:

"{{_}}" Match anything (i.e. no real validation, only check existence).

"{{unexpected}}" Match nothing (i.e. no real validation, only check lack of existence)

"{{>key}}" Store value of the whole string (key must be unique within testcase)

"{{<key}}" Recall stored value.

The "{{_}}" tag can also be used as a JSON object's property in order to validate any other additional properties.

By default, the builtin validator will allow additional properties in an object structure, or additional items in an array structure. To counteract that default, one can do {..., "{{_}}": "{{unexpected}}"} or [..., "{{unexpected}}"], effectively making a rule that no properties/items are expected beyond the ones defined.

Examples

A simple example that will make requests to a third party server:

ERL_LIBS=deps erl -pa ebin -noshell -eval '
  ok = ssl:start(),
  ok = lhttpc:start(),
  BlueprintFile = "./doc/example-httpbin.apib",
  Params = [{hostname, "httpbin.org"}, {my_name, "Joe"}, {your_name, "Mike"}],
  io:format("~p~n", [katt:run(BlueprintFile, Params)]).
' -s init stop

... or run the code passed to -eval from the Erlang shell (assuming that you have started the Erlang shell from the repo's root directory with ERL_LIBS=deps erl -pa ebin).

Interface

  • katt:run to be called with
    • filename
    • params (optional)
      • protocol
      • hostname
      • port
      • request_timeout
      • scenario_timeout
    • callbacks (optional)
      • recall to be called with syntax, text, params, callbacks
      • parse to be called with headers, body, params, callbacks
      • request to be called with request, params, callbacks
      • validate to be called with expected, actual, params, callbacks

Contributing

A pull-request is most welcome. Please make sure that the following criteria are fulfilled before making your pull-request:

  • Include a description regarding what has been changed and why.
  • Make sure that the changed or added functionality (if you modify code) is covered by unit tests.
  • Make sure that all unit tests pass.

License

Apache 2.0

About

This repository is no longer actively maintained, please see

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