System testing in scientific numerical software frameworks using the example of DUNE

  • Dominic Kempf (Author)
    Heidelberg University
  • Timo Koch (Author)
    University of Stuttgart
    Department of Hydromechanics and Modelling of Hydrosystems, PhD Student

Identifiers (Article)

Abstract

We present dune-testtools, a collection of tools for system testing in scientific soft-
ware using the example of the Distributed Unified Numerics Environment (Dune). Testing is
acknowledged as indispensible support for scientific software development and assurance of
software quality to produce trustworthy simulation results. Most of the time, testing in soft-
ware frameworks developed at research facilities is restricted to either unit testing or simple
benchmark programs. However, in a modern numerical software framework, the number of pos-
sible feature combinations constituting a program is vast. Only system testing, meaning testing
within a possible end user environment also emulating variability, can assess software quality
and reproducibility of numerical results. We provide an easy-to-use interface taking workload off
developers and administrators in open-source scientific numerical software framework projects.
In our approach, the large number of possible combinations is reduced using the scientific expert
knowledge of developers to identify the practically relevant combinations. Our approach to
system testing is designed to be integrated in the workflow of a research software developing
scientist.

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Supplementary Content

Published
2017-04-03
Language
en
Academic discipline and sub-disciplines
Scientific Computing, Computer Science, Software Engineering
Contributor or sponsoring agency
SimTech, University of Stuttgart, Ministerium für Wissenschaft, Forschung und Kunst Baden-Württemberg
Keywords
numerical software frameworks, system testing, testing, dune