Exploring Behaviours of RESTful APIs in an Industrial Setting
- URL: http://arxiv.org/abs/2310.17318v1
- Date: Thu, 26 Oct 2023 11:33:11 GMT
- Title: Exploring Behaviours of RESTful APIs in an Industrial Setting
- Authors: Stefan Karlsson, Robbert Jongeling, Adnan Causevic, Daniel Sundmark
- Abstract summary: We propose a set of behavioural properties, common to REST APIs, which are used to generate examples of behaviours that these APIs exhibit.
These examples can be used both (i) to further the understanding of the API and (ii) as a source of automatic test cases.
Our approach can generate examples deemed relevant for understanding the system and for a source of test generation by practitioners.
- Score: 0.43012765978447565
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: A common way of exposing functionality in contemporary systems is by
providing a Web-API based on the REST API architectural guidelines. To describe
REST APIs, the industry standard is currently OpenAPI-specifications. Test
generation and fuzzing methods targeting OpenAPI-described REST APIs have been
a very active research area in recent years. An open research challenge is to
aid users in better understanding their API, in addition to finding faults and
to cover all the code. In this paper, we address this challenge by proposing a
set of behavioural properties, common to REST APIs, which are used to generate
examples of behaviours that these APIs exhibit. These examples can be used both
(i) to further the understanding of the API and (ii) as a source of automatic
test cases. Our evaluation shows that our approach can generate examples deemed
relevant for understanding the system and for a source of test generation by
practitioners. In addition, we show that basing test generation on behavioural
properties provides tests that are less dependent on the state of the system,
while at the same time yielding a similar code coverage as state-of-the-art
methods in REST API fuzzing in a given time limit.
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